david
960b25140d
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@55 05c56307-c608-d34a-929d-697000501d7a
2203 lines
71 KiB
ObjectPascal
2203 lines
71 KiB
ObjectPascal
{*******************************************************************}
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{ }
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{ ExpressWeb Framework by Developer Express }
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{ Designer Module }
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{ }
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{ Copyright (c) 2000-2009 Developer Express Inc. }
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{ ALL RIGHTS RESERVED }
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{ }
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{ The entire contents of this file is protected by U.S. and }
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{ International Copyright Laws. Unauthorized reproduction, }
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{ reverse-engineering, and distribution of all or any portion of }
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{ the code contained in this file is strictly prohibited and may }
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{ result in severe civil and criminal penalties and will be }
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{ prosecuted to the maximum extent possible under the law. }
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{ }
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{ RESTRICTIONS }
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{ }
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{ THIS SOURCE CODE AND ALL RESULTING INTERMEDIATE FILES }
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{ (DCU, OBJ, DLL, ETC.) ARE CONFIDENTIAL AND PROPRIETARY TRADE }
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{ SECRETS OF DEVELOPER EXPRESS INC. THE REGISTERED DEVELOPER IS }
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{ LICENSED TO DISTRIBUTE THE EXPRESSWEB FRAMEWORK AND ALL }
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{ ACCOMPANYING VCL CLASSES AS PART OF AN EXECUTABLE WEB }
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{ APPLICATION ONLY. }
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{ }
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{ THE SOURCE CODE CONTAINED WITHIN THIS FILE AND ALL RELATED }
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{ FILES OR ANY PORTION OF ITS CONTENTS SHALL AT NO TIME BE }
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{ COPIED, TRANSFERRED, SOLD, DISTRIBUTED, OR OTHERWISE MADE }
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{ AVAILABLE TO OTHER INDIVIDUALS WITHOUT EXPRESS WRITTEN CONSENT }
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{ AND PERMISSION FROM DEVELOPER EXPRESS INC. }
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{ }
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{ CONSULT THE END USER LICENSE AGREEMENT FOR INFORMATION ON }
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{ ADDITIONAL RESTRICTIONS. }
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{ }
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{*******************************************************************}
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unit cxWebDsgnHTMLConverter;
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interface
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uses
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Types, Classes, SysUtils, cxWebCompProd, cxWebHTMLProd,
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cxWebUpdateControlPosition, cxWebRender, cxWebIntf, MSHTML_TLB;
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type
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TcxEWFStoredTags = class
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private
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FRoot: TComponent;
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FPositioningType: TcxWebPositioningType;
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FList: TList;
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function GetObject(const AComponent: TComponent): Pointer;
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public
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constructor Create(ARoot: TComponent);
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destructor Destroy; override;
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procedure Clear;
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procedure Add(const AComponent: TComponent; const AEWFTag: string);
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procedure Remove(const AComponent: TComponent);
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function GetEWFTag(const AComponent: TComponent): string;
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function GetOldName(const AComponent: TComponent): string;
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property PositioningType: TcxWebPositioningType read FPositioningType write FPositioningType;
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end;
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function GetTempateHTMLFromDesigner(AModule: TComponent; const AHTML: string;
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AStoredTags: TcxEWFStoredTags; APositioningType: TcxWebPositioningType): string;
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function GetDesignHTMLContextFromTemplate(AModule: TComponent;
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const AHTML: string; AStoredTags: TcxEWFStoredTags; ADeleteComponents: Boolean;
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APositioningType: TcxWebPositioningType): string;
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procedure GetHTMLElements(ADOM: IHTMLDocument2; AList: IInterfaceList);
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procedure GetRegisterEWFTags(AStrings: TStrings);
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function GetDesignerHTMLClassName(const AComponentClassName: string): string;
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function GetDesignInnerHTMLByWebControl(AComponent: TComponent): string;
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function GetDesignStyleByWebControl(AComponent: TComponent): string;
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function GetDesignInlineStyleByWebControl(AComponent: TComponent): string;
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function IsHTMLCustomElement(AHTMLElement: IHTMLElement): Boolean;
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function GetComponentByHTMLElement(ARoot: TComponent; AHTMLElement: IHTMLElement): TComponent;
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function GetHTMLElementByComponentName(ADOM3: IHTMLDocument3; AComponentName: string): IHTMLElement;
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function GetDesignerHTMLMainParentElement(ADOM: IHTMLDocument2; ARoot: TComponent): IHTMLElement;
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procedure UpdateWebDesignerControlsPosition(ARoot: TComponent; ADOM: IHTMLDocument2);
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implementation
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uses
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{$IFDEF MSWINDOWS}
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Windows, Forms,
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{$ELSE}
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Qt, QForms,
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{$ENDIF}
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StrUtils, Messages, cxWebUtils, cxWebStrs, cxWebTableBld,
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Variants, TypInfo, cxWebDsgnUtils, ActiveX, ComObj, cxWebDsgnHTMLFilter;
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const
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cxEWFFormName = '<%=Form.Name%>'; //TODO
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type
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TcxEWFStoredTagsItem = class
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Component: TComponent;
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EWFTag: string;
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OldName: string;
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end;
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{TcxEWFStoredTags}
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constructor TcxEWFStoredTags.Create(ARoot: TComponent);
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begin
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FList := TList.Create;
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FRoot := ARoot;
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end;
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destructor TcxEWFStoredTags.Destroy;
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begin
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Clear;
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FList.Free;
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inherited Destroy;
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end;
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function TcxEWFStoredTags.GetObject(const AComponent: TComponent): Pointer;
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var
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I: Integer;
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begin
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Result := nil;
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for I := 0 to FList.Count - 1 do
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if TcxEWFStoredTagsItem(FList[I]).Component = AComponent then
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begin
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Result := FList[I];
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break;
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end;
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end;
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procedure TcxEWFStoredTags.Clear;
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var
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I: Integer;
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begin
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for I := 0 to FList.Count - 1 do
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TcxEWFStoredTagsItem(FList[I]).Free;
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FList.Clear;
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end;
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procedure TcxEWFStoredTags.Add(const AComponent: TComponent; const AEWFTag: string);
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var
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AItem: TcxEWFStoredTagsItem;
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begin
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AItem := TcxEWFStoredTagsItem(GetObject(AComponent));
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if AItem = nil then
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begin
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AItem := TcxEWFStoredTagsItem.Create;
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AItem.Component := AComponent;
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FList.Add(AItem);
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end;
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AItem.EWFTag := AEWFTag;
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AItem.OldName := AComponent.Name;
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end;
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procedure TcxEWFStoredTags.Remove(const AComponent: TComponent);
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var
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AItem: TcxEWFStoredTagsItem;
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begin
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AItem := TcxEWFStoredTagsItem(GetObject(AComponent));
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if AItem <> nil then
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begin
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FList.Remove(AItem);
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AItem.Free;
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end;
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end;
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function TcxEWFStoredTags.GetEWFTag(const AComponent: TComponent): string;
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var
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AItem: TcxEWFStoredTagsItem;
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begin
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AItem := TcxEWFStoredTagsItem(GetObject(AComponent));
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if AItem <> nil then
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Result := AItem.EWFTag
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else Result := '';
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end;
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function TcxEWFStoredTags.GetOldName(const AComponent: TComponent): string;
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var
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AItem: TcxEWFStoredTagsItem;
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begin
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AItem := TcxEWFStoredTagsItem(GetObject(AComponent));
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if AItem <> nil then
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Result := AItem.OldName
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else Result := '';
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end;
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function GetDesignerHTMLClassName(const AComponentClassName: string): string;
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const
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EWFTagRemoveSt: Array[1..3] of String = ('T', 'CX', 'WEB');
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var
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I: Integer;
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begin
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Result := AComponentClassName;
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for I := Low(EWFTagRemoveSt) to High(EWFTagRemoveSt) do
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if Pos(EWFTagRemoveSt[I], UpperCase(Result)) = 1 then
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Result := Copy(Result, Length(EWFTagRemoveSt[I]) + 1, Length(Result))
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else break;
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end;
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function IsHTMLCustomElement(AHTMLElement: IHTMLElement): Boolean;
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begin
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Result := (AHTMLElement <> nil) and
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(Pos(UpperCase('<' + scxEWF), UpperCase(AHTMLElement.outerHTML)) = 1);
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end;
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function IsHTMLCustomFormElement(AHTMLElement: IHTMLElement): Boolean;
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begin
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Result := SameText(AHTMLElement.tagName, scxForm);
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end;
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function GetComponentByHTMLElement(ARoot: TComponent; AHTMLElement: IHTMLElement): TComponent;
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begin
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Result := nil;
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if IsHTMLCustomElement(AHTMLElement) then
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Result := ARoot.FindComponent(AHTMLElement.id);
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end;
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function GetHTMLElementByComponentName(ADOM3: IHTMLDocument3; AComponentName: string): IHTMLElement;
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begin
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if AComponentName <> '' then
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begin
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Result := ADOM3.getElementById(AComponentName);
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if (Result <> nil) and not IsHTMLCustomElement(Result) then
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Result := nil;
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end else Result := nil;
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end;
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type
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TcxWebConverterDOMNamespaceFactory = class(TInterfacedObject,
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IElementNamespaceFactory, IElementNamespaceFactoryCallback, IElementBehaviorFactory)
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private
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FStrings: TStrings;
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public
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constructor CreateObj(const AStrings: TStrings);
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destructor Destroy; override;
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{ IElementNamespaceFactory }
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function create(const pNamespace: IElementNamespace): HResult; stdcall;
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function Resolve(const bstrNamespace: WideString; const bstrTagName: WideString;
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const bstrAttrs: WideString; const pNamespace: IElementNamespace): HResult; stdcall;
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{ IElementBehaviorFactory }
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function FindBehavior(const bstrBehavior: WideString; const bstrBehaviorUrl: WideString;
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const pSite: IElementBehaviorSite; out ppBehavior: IElementBehavior): HResult; stdcall;
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end;
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TcxWebConverterDOM = class(TComponent, IUnknown,IDispatch, IOleClientSite)
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private
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FHTMLDocument2: IHTMLDocument2;
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function GetDocumentHTML: string;
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procedure SetDocumentHTML(const Value: string);
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procedure RegisterEWFTags;
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protected
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//IDispatch
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function Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer;
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Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer): HResult; stdcall;
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/// IOleClientSite
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function SaveObject: HResult; stdcall;
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function GetMoniker(dwAssign: Longint; dwWhichMoniker: Longint;
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out mk: IMoniker): HResult; stdcall;
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function GetContainer(out container: IOleContainer): HResult; stdcall;
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function ShowObject: HResult; stdcall;
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function OnShowWindow(fShow: BOOL): HResult; stdcall;
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function RequestNewObjectLayout: HResult; stdcall;
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public
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constructor Create(AOwner: TComponent); override;
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procedure Wait;
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property DOM: IHTMLDocument2 read FHTMLDocument2;
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property DocumentHTML: string read GetDocumentHTML write SetDocumentHTML;
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end;
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constructor TcxWebConverterDOMNamespaceFactory.CreateObj(const AStrings: TStrings);
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begin
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FStrings := TStringList.Create;
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FStrings.Assign(AStrings);
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end;
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destructor TcxWebConverterDOMNamespaceFactory.Destroy;
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begin
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FStrings.Free;
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inherited Destroy;
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end;
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function TcxWebConverterDOMNamespaceFactory.create(const pNamespace: IElementNamespace): HResult;
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var
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I: Integer;
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begin
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for I := 0 to FStrings.Count - 1 do
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pNamespace.AddTag(FStrings[I], 0); {Creates a normal element behavior}
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Result := S_OK;
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end;
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function TcxWebConverterDOMNamespaceFactory.Resolve(const bstrNamespace: WideString; const bstrTagName: WideString;
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const bstrAttrs: WideString; const pNamespace: IElementNamespace): HResult; stdcall;
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begin
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REsult := S_OK;
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end;
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function TcxWebConverterDOMNamespaceFactory.FindBehavior(const bstrBehavior: WideString;
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const bstrBehaviorUrl: WideString;
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const pSite: IElementBehaviorSite; out ppBehavior: IElementBehavior): HResult; stdcall;
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begin
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ppBehavior := nil;
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Result := S_OK;
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end;
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const
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CLSID_HTMLDocument: TCLSID = '{25336920-03F9-11cf-8FD0-00AA00686F13}';
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constructor TcxWebConverterDOM.Create(AOwner: TComponent);
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var
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PersistStream: IPersistStreamInit;
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AOleObject: IOleObject;
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begin
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inherited Create(AOwner);
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OleCheck(CoCreateInstance(CLSID_HTMLDocument, nil,
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CLSCTX_INPROC_SERVER, IID_IHTMLDocument2, FHTMLDocument2));
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if DOM <> nil then
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begin
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if Supports(FHTMLDocument2, IOleObject, AOleObject) then
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AOleObject.SetClientSite(self);
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DOM.designMode := 'On';
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if Supports(DOM, IPersistStreamInit, PersistStream) then
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OleCheck(PersistStream.InitNew);
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RegisterEWFTags;
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end;
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end;
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procedure TcxWebConverterDOM.RegisterEWFTags;
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var
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AStrings: TStrings;
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VFactory: OleVariant;
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SP: IServiceProvider;
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NST: IElementNamespaceTable;
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ANamespaceFactory: IElementNamespaceFactory;
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rs: HRESULT;
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begin
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DocumentHTML;
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Wait;
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AStrings := TStringList.Create;
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GetRegisterEWFTags(AStrings);
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ANamespaceFactory := TcxWebConverterDOMNamespaceFactory.CreateObj(AStrings);
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AStrings.Free;
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TVarData(VFactory).VType := VT_UNKNOWN;
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TVarData(VFactory).VUnknown := Pointer(ANamespaceFactory);
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ANamespaceFactory._AddRef;
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if Supports(DOM, IServiceProvider, SP) and
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(SP.QueryService(IElementNamespaceTable, IElementNamespaceTable, NST) = S_OK) then
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begin
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rs := NST.AddNamespace(scxEWF, '', ELEMENTNAMESPACEFLAGS_ALLOWANYTAG, VFactory); {Creates a normal namespace}
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if rs <> S_OK then
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Wait;
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end;
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end;
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procedure TcxWebConverterDOM.Wait;
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var
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Msg: TMsg;
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begin
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if not Assigned(DOM) then exit;
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while (CompareText(DOM.readyState, 'complete') <> 0) and
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(CompareText(DOM.readyState, 'uninitialized') <> 0) do
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if PeekMessage(Msg, 0, 0, 0, PM_REMOVE) then
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begin
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if Msg.Message <> WM_QUIT then
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begin
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TranslateMessage(Msg);
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DispatchMessage(Msg);
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end;
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end;
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end;
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const
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DISPID_AMBIENT_DLCONTROL = (-5512);
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DLCTL_NO_SCRIPTS = $00000080;
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DLCTL_NO_JAVA = $00000100;
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DLCTL_NO_RUNACTIVEXCTLS = $00000200;
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DLCTL_NO_DLACTIVEXCTLS = $00000400;
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DLCTL_DOWNLOADONLY = $00000800;
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DLCTL_NO_FRAMEDOWNLOAD = $00001000;
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function TcxWebConverterDOM.Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer;
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Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer): HResult; stdcall;
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begin
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if DISPID_AMBIENT_DLCONTROL = DispId then begin
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PVariant(VarResult)^ := DLCTL_DOWNLOADONLY + DLCTL_NO_SCRIPTS +
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DLCTL_NO_JAVA + DLCTL_NO_DLACTIVEXCTLS +
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DLCTL_NO_RUNACTIVEXCTLS;
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Result := S_OK;
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end else
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Result := DISP_E_MEMBERNOTFOUND;
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end;
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function TcxWebConverterDOM.SaveObject: HResult;
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begin
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Result := E_NOTIMPL;
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end;
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function TcxWebConverterDOM.GetMoniker(dwAssign: Longint; dwWhichMoniker: Longint;
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out mk: IMoniker): HResult;
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begin
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Result := E_NOTIMPL;
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end;
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function TcxWebConverterDOM.GetContainer(out container: IOleContainer): HResult;
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begin
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Result := E_NOTIMPL;
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end;
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function TcxWebConverterDOM.ShowObject: HResult;
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begin
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Result := E_NOTIMPL;
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end;
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function TcxWebConverterDOM.OnShowWindow(fShow: BOOL): HResult;
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begin
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Result := E_NOTIMPL;
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end;
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function TcxWebConverterDOM.RequestNewObjectLayout: HResult;
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begin
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Result := E_NOTIMPL;
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end;
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procedure TcxWebConverterDOM.SetDocumentHTML(const Value: string);
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var
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InternalStream: TStringStream;
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OleStream: IStream;
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PersistStream: IPersistStreamInit;
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begin
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Wait;
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if Supports(DOM, IPersistStreamInit, PersistStream) then
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begin
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OleCheck(PersistStream.InitNew);
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InternalStream := TStringStream.Create(Value);
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try
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InternalStream.Position := 0;
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OleStream := TStreamAdapter.Create(InternalStream);
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OleCheck(PersistStream.Load(OleStream));
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finally
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InternalStream.Free;
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end;
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end;
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Wait;
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end;
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function TcxWebConverterDOM.GetDocumentHTML: string;
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var
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InternalStream: TStringStream;
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OleStream: IStream;
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PersistStream: IPersistStreamInit;
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begin
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Wait;
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Result := (DOM as IHTMLDocument3).documentElement.outerHTML;
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exit;
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if Supports(DOM, IPersistStreamInit, PersistStream) then
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begin
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InternalStream := TStringStream.Create('');
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try
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OleStream := TStreamAdapter.Create(InternalStream);
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OleCheck(PersistStream.Save(OleStream, True));
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Result := InternalStream.DataString;
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finally
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InternalStream.Free;
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end;
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end;
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Wait;
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end;
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function GetDesignInnerHTMLByWebControl(AComponent: TComponent): string;
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var
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ACodeProvider: IcxCodeProvider;
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ADesignCodeProvider: IcxDesignCodeProvider;
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AHTMLTextBuilder: TcxHTMLTextBuilder;
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begin
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AHTMLTextBuilder := TcxHTMLTextBuilder.Create(TcxWebBrowserIE);
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if Supports(AComponent, IcxCodeProvider, ACodeProvider) then
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begin
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if Supports(AComponent, IcxDesignCodeProvider, ADesignCodeProvider) then
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ADesignCodeProvider.WriteHTML(AHTMLTextBuilder)
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else ACodeProvider.WriteHTML(AHTMLTextBuilder);
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end;
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Result := AHTMLTextBuilder.Text;
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AHTMLTextBuilder.Free;
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end;
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function GetDesignStyleByWebControl(AComponent: TComponent): string;
|
|
var
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AStylesIntf: IcxStylesProvider;
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ACodeIntf: IcxCodeProvider;
|
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ABuilder: TcxHTMLTextBuilder;
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ARendererClass: TcxWebRendererClass;
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I: Integer;
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ProviderList: TList;
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ProviderIntf: IcxWebProvidersSupport;
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begin
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ABuilder := TcxHTMLTextBuilder.Create(TcxWebBrowserIE);
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ABuilder.DisableValidation := True;
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try
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if Supports(AComponent, IcxWebProvidersSupport, ProviderIntf) then
|
|
begin
|
|
ProviderList := TList.Create;
|
|
try
|
|
ProviderIntf.GetProviders(ProviderList);
|
|
for I := 0 to ProviderList.Count - 1 do
|
|
if Supports(TComponent(ProviderList.Items[I]), IcxStylesProvider, AStylesIntf) then
|
|
AStylesIntf.WriteStyles(ABuilder);
|
|
finally
|
|
ProviderList.Free;
|
|
end;
|
|
end;
|
|
if Supports(AComponent, IcxStylesProvider, AStylesIntf) then
|
|
AStylesIntf.WriteStyles(ABuilder);
|
|
|
|
|
|
if Supports(AComponent, IcxCodeProvider, ACodeIntf) then
|
|
begin
|
|
ARendererClass := ACodeIntf.GetRendererClass(TcxWebBrowserIE);
|
|
if (ARendererClass <> nil) then
|
|
ARendererClass.WriteStyles(ABuilder);
|
|
end;
|
|
Result := ABuilder.Text;
|
|
finally
|
|
ABuilder.Free;
|
|
end;
|
|
end;
|
|
|
|
function GetDesignInlineStyleByWebControl(AComponent: TComponent): string;
|
|
var
|
|
WebControl: IcxWebControl;
|
|
begin
|
|
if Supports(AComponent, IcxWebControl, WebControl) then
|
|
Result := Format('z-index: %d', [WebControl.ZIndex])
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
type
|
|
TcxDesignerWebControlHTMLItem = class(TcxWebControlHTMLItem)
|
|
public
|
|
procedure WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder); override;
|
|
end;
|
|
|
|
TcxDesignerWebContainerControlHTMLItem = class(TcxWebContainerControlHTMLItem)
|
|
public
|
|
procedure WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder); override;
|
|
end;
|
|
|
|
TcxCustomWebDesignerHTMLProd = class(TcxWebHTMLProd)
|
|
private
|
|
FStoredTags: TcxEWFStoredTags;
|
|
protected
|
|
function IsFirstRequest: Boolean; override;
|
|
|
|
function GetComponentHTMLItemClass(AComponentClass: TComponentClass): TcxComponentHTMLItemClass; override;
|
|
function GetSetComponentProperties: Boolean; override;
|
|
public
|
|
constructor Create(AModule: TComponent; AStoredTags: TcxEWFStoredTags);
|
|
end;
|
|
|
|
TcxWebDesignerHTMLProd = class(TcxCustomWebDesignerHTMLProd)
|
|
private
|
|
FDeleteComponents: Boolean;
|
|
protected
|
|
procedure DoBeforeHTMLRender; override;
|
|
public
|
|
property DeleteComponents: Boolean read FDeleteComponents write FDeleteComponents;
|
|
end;
|
|
|
|
TcxDesignerWebControlHTMLItemCorrect = class(TcxWebControlHTMLItem)
|
|
public
|
|
procedure WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder); override;
|
|
end;
|
|
|
|
TcxDesignerWebContainerControlHTMLItemCorrect = class(TcxWebContainerControlHTMLItem)
|
|
public
|
|
procedure WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder); override;
|
|
end;
|
|
|
|
TcxWebDesignerHTMLProdCorrect = class(TcxCustomWebDesignerHTMLProd)
|
|
protected
|
|
function GetComponentHTMLItemClass(AComponentClass: TComponentClass): TcxComponentHTMLItemClass; override;
|
|
end;
|
|
|
|
procedure TcxDesignerWebControlHTMLItem.WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder);
|
|
begin
|
|
TcxCustomWebDesignerHTMLProd(HTMLProd).FStoredTags.Add(Component, EWFTagFormat);
|
|
AHTMLTextBuilder.WriteText(EWFTagFormat + Format('</%s:%s>', [scxEWF, ComponentClassName]), False, False);
|
|
end;
|
|
|
|
procedure TcxDesignerWebContainerControlHTMLItem.WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
UpdateExcludeList;
|
|
TcxCustomWebDesignerHTMLProd(HTMLProd).FStoredTags.Add(Component, EWFTagFormat);
|
|
AHTMLTextBuilder.WriteText(EWFTagFormat, False, False);
|
|
for I := 0 to Count - 1 do
|
|
Items[I].WriteHTML(AHTMLTextBuilder);
|
|
AHTMLTextBuilder.WriteText(EWFEndTagFormat, False, False);
|
|
end;
|
|
|
|
{TcxCustomWebDesignerHTMLProd}
|
|
constructor TcxCustomWebDesignerHTMLProd.Create(AModule: TComponent; AStoredTags: TcxEWFStoredTags);
|
|
begin
|
|
inherited Create(AModule);
|
|
FStoredTags := AStoredTags;
|
|
end;
|
|
|
|
function TcxCustomWebDesignerHTMLProd.IsFirstRequest: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
function TcxCustomWebDesignerHTMLProd.GetComponentHTMLItemClass(AComponentClass: TComponentClass): TcxComponentHTMLItemClass;
|
|
begin
|
|
if Supports(AComponentClass, IcxWebContainerControl) then
|
|
Result := TcxDesignerWebContainerControlHTMLItem
|
|
else if Supports(AComponentClass, IcxWebControl) then
|
|
Result := TcxDesignerWebControlHTMLItem
|
|
else Result := inherited GetComponentHTMLItemClass(AComponentClass);
|
|
end;
|
|
|
|
function TcxCustomWebDesignerHTMLProd.GetSetComponentProperties: Boolean;
|
|
begin
|
|
Result := False;
|
|
end;
|
|
|
|
{TcxWebDesignerHTMLProd}
|
|
|
|
procedure TcxWebDesignerHTMLProd.DoBeforeHTMLRender;
|
|
|
|
procedure CheckDuplicatedNames;
|
|
var
|
|
I: Integer;
|
|
AStrings: TStrings;
|
|
AErrorName: string;
|
|
begin
|
|
AStrings := TStringList.Create;
|
|
AErrorName := '';
|
|
try
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if AStrings.IndexOf(ComponentItems[I].ComponentName) = -1 then
|
|
AStrings.Add(ComponentItems[I].ComponentName)
|
|
else
|
|
begin
|
|
AErrorName := ComponentItems[I].ComponentName;
|
|
break;
|
|
end;
|
|
finally
|
|
AStrings.Free;
|
|
end;
|
|
if AErrorName <> '' then
|
|
raise Exception.CreateFmt(scxWebDuplicateName, [AErrorName]);
|
|
end;
|
|
|
|
procedure CheckFormHTMLItem;
|
|
var
|
|
ARootName: string;
|
|
begin
|
|
if ModuleItem <> nil then
|
|
ARootName := ModuleItem.Component.Name
|
|
else ARootName := '';
|
|
if (ARootName <> '') and (Module.Name <> ARootName) and
|
|
(Pos('%', ARootName) < 1) then
|
|
try
|
|
Module.Name := ARootName;
|
|
except
|
|
end;
|
|
end;
|
|
|
|
function IsComponentExists(AComponent: TComponent): Boolean;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
Result := False;
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if (ComponentItems[I].Component = AComponent) then
|
|
begin
|
|
Result := True;
|
|
break;
|
|
end;
|
|
end;
|
|
|
|
procedure AddDeletedComponents(AList: TList);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to Module.ComponentCount - 1 do
|
|
if Supports(Module.Components[I], IcxWebControl) and
|
|
not IsComponentExists(Module.Components[I]) then
|
|
AList.Add(Module.Components[I]);
|
|
end;
|
|
|
|
function GetComponentItemByComponent(AComponent: TComponent): TcxComponentHTMLItem;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
Result := nil;
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if ComponentItems[I].Component = AComponent then
|
|
begin
|
|
Result := ComponentItems[I];
|
|
break;
|
|
end;
|
|
end;
|
|
|
|
procedure CreateControlsFromDeletedList(AList: TList);
|
|
|
|
function GetEWFTag(AComponent: TComponent; AIsClosed: Boolean): string;
|
|
begin
|
|
Result := '<';
|
|
if AIsClosed then
|
|
Result := Result + '/';
|
|
Result := Result + scxEWF + ':' +
|
|
GetDesignerHTMLClassName(AComponent.ClassName) +
|
|
' ' + scxId + '=' + AComponent.Name + '>';
|
|
end;
|
|
|
|
function CreateComponentHTMLItem(AComponent: TComponent): TcxComponentHTMLItem;
|
|
var
|
|
AEWFTagRecord: TcxWebHTMLComponent;
|
|
AWebControl: IcxWebControl;
|
|
AParentComponent: TComponent;
|
|
begin
|
|
AEWFTagRecord.ClassName := GetDesignerHTMLClassName(AComponent.ClassName);
|
|
AEWFTagRecord.Name := AComponent.Name;
|
|
if Supports(AComponent, IcxWebControl, AWebControl) and
|
|
(AWebControl <> nil) and (AWebControl.Parent <> nil) then
|
|
AParentComponent := GetComponentByInterface(AWebControl.Parent)
|
|
else AParentComponent := nil;
|
|
if AParentComponent = nil then
|
|
AParentComponent := Module;
|
|
AEWFTagRecord.ParentName := AParentComponent.Name;
|
|
Result := AddComponentHTMLItem(AComponent, GetComponentItemByComponent(AParentComponent),
|
|
True, GetEWFTag(AComponent, False),
|
|
TComponentClass(AComponent.ClassType), @AEWFTagRecord, beginTableRender);
|
|
end;
|
|
|
|
procedure MoveChildrenComponentInItemList(AHTMLItem: TcxComponentHTMLItem);
|
|
var
|
|
I: Integer;
|
|
AWebControl: IcxWebControl;
|
|
AWebContainer: IcxWebContainerControl;
|
|
AWebComponentItem: TcxComponentHTMLItem;
|
|
begin
|
|
if not Supports(AHTMLItem.Component, IcxWebContainerControl, AWebContainer) then
|
|
exit;
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if Supports(ComponentItems[I].Component, IcxWebControl, AWebControl) and
|
|
(AWebControl.Parent = AWebContainer) then
|
|
begin
|
|
AWebComponentItem := ComponentItems[I];
|
|
AWebComponentItem.Parent.Remove(AWebComponentItem);
|
|
AHTMLItem.Insert(AWebComponentItem);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
I: Integer;
|
|
AComponentHTMLItem: TcxComponentHTMLItem;
|
|
begin
|
|
for I := 0 to AList.Count - 1 do
|
|
begin
|
|
AComponentHTMLItem := CreateComponentHTMLItem(TComponent(AList[I]));
|
|
if Supports(TComponent(AList[I]), IcxWebContainerControl) then
|
|
MoveChildrenComponentInItemList(AComponentHTMLItem);
|
|
end;
|
|
AList.Clear;
|
|
end;
|
|
|
|
procedure AddCreatedControls(AList: TList);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if (ComponentItems[I].ComponentClass <> nil) and
|
|
Supports(ComponentItems[I].ComponentClass, IcxWebControl) and
|
|
(ComponentItems[I].Component = nil) then
|
|
AList.Add(ComponentItems[I]);
|
|
end;
|
|
|
|
function GetHTMLItemByComponentClass(AComponentClass: TComponentClass;
|
|
ACreatedControls: TList): TcxComponentHTMLItem;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
Result := nil;
|
|
for I := 0 to ACreatedControls.Count - 1 do
|
|
if (TcxComponentHTMLItem(ACreatedControls[I]).ComponentClass = AComponentClass) then
|
|
begin
|
|
Result := TcxComponentHTMLItem(ACreatedControls[I]);
|
|
break;
|
|
end;
|
|
end;
|
|
|
|
procedure ChangeComponentName(AComponent: TComponent; ANewName: string);
|
|
begin
|
|
try
|
|
if ANewName <> '' then
|
|
try
|
|
AComponent.Name := ANewName
|
|
except
|
|
raise;
|
|
end;
|
|
finally
|
|
end;
|
|
end;
|
|
|
|
procedure ChangeNames(ADeletedComponents, ACreatedControls: TList);
|
|
var
|
|
I: Integer;
|
|
AHTMLItem: TcxComponentHTMLItem;
|
|
AComponent: TComponent;
|
|
begin
|
|
I := 0;
|
|
while I < ADeletedComponents.Count do
|
|
begin
|
|
AComponent := TComponent(ADeletedComponents[I]);
|
|
AHTMLItem := GetHTMLItemByComponentClass(
|
|
TComponentClass(AComponent.ClassType), ACreatedControls);
|
|
if AHTMLItem <> nil then
|
|
begin
|
|
AHTMLItem.Component := AComponent;
|
|
ADeletedComponents.Delete(I);
|
|
ACreatedControls.Remove(AHTMLItem);
|
|
ChangeComponentName(AComponent, AHTMLItem.ComponentName);
|
|
end else Inc(I);
|
|
end;
|
|
end;
|
|
|
|
procedure ChangeParents(AWebModuleContainer: IcxWebContainerControl);
|
|
var
|
|
I: Integer;
|
|
AWebControl: IcxWebControl;
|
|
AContainer: IcxWebContainerControl;
|
|
begin
|
|
for I := 0 to ComponentItemCount - 1 do
|
|
if (ComponentItems[I].Component <> nil) and not (csDestroying in ComponentItems[I].Component.ComponentState) and
|
|
Supports(ComponentItems[I].Component, IcxWebControl, AWebControl) and
|
|
(ComponentItems[I].Parent <> ComponentItems[I])then
|
|
begin
|
|
if (ComponentItems[I].Parent = nil) or
|
|
(ComponentItems[I].Parent.Component = nil) or
|
|
not Supports(ComponentItems[I].Parent.Component, IcxWebContainerControl, AContainer) then
|
|
AContainer := nil;
|
|
if AContainer = nil then
|
|
AContainer := AWebModuleContainer;
|
|
if (AWebControl.Parent <> AContainer) then
|
|
AWebControl.Parent := AContainer;
|
|
end;
|
|
end;
|
|
|
|
procedure DeleteComponents(AList: TList);
|
|
var
|
|
I, J: Integer;
|
|
RemoveList: TInterfaceList;
|
|
AComponent: TComponent;
|
|
AContainer: IcxWebContainerControl;
|
|
begin
|
|
for I := 0 to AList.Count - 1 do
|
|
begin
|
|
AComponent := TComponent(AList[I]);
|
|
if not (csDestroying in AComponent.ComponentState) then
|
|
begin
|
|
if Supports(AComponent, IcxWebContainerControl, AContainer) then
|
|
begin
|
|
RemoveList := TInterfaceList.Create;
|
|
try
|
|
for J := 0 to AContainer.ControlCount - 1 do
|
|
if IsComponentExists(GetComponentByInterface(AContainer.Controls[J])) then
|
|
RemoveList.Add(AContainer.Controls[J]);
|
|
for J := 0 to RemoveList.Count - 1 do
|
|
(RemoveList[J] as IcxWebControl).Parent := nil;
|
|
finally
|
|
RemoveList.Free;
|
|
end;
|
|
end;
|
|
AComponent.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure CreateComponents(AList: TList; AWebModuleContainer: IcxWebContainerControl);
|
|
var
|
|
I: Integer;
|
|
AComponent: TComponent;
|
|
AWebControl: IcxWebControl;
|
|
AWebContainer: IcxWebContainerControl;
|
|
begin
|
|
AComponent := nil;
|
|
for I := 0 to AList.Count - 1 do
|
|
with TcxComponentHTMLItem(AList[I]) do
|
|
begin
|
|
try
|
|
try
|
|
AComponent := ComponentClass.Create(Module);
|
|
AComponent.Name := ComponentName;
|
|
|
|
if Supports(AComponent, IcxWebControl, AWebControl) then
|
|
begin
|
|
if Supports(TcxComponentHTMLItem(AList[I]).Parent.Component, IcxWebContainerControl, AWebContainer) then
|
|
AWebControl.Parent := AWebContainer
|
|
else AWebControl.Parent := AWebModuleContainer;
|
|
TcxComponentHTMLItem(AList[I]).Parent.ExcludeList.Add(AComponent)
|
|
end;
|
|
except
|
|
raise;
|
|
end;
|
|
finally
|
|
Component := AComponent;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure SetContainersAttributes;
|
|
|
|
procedure CorrectEWFTag(AHTMLItem: TcxWebContainerControlHTMLItem;
|
|
AAtributeName, AOldAttributeValue, ANewAttributeValue: string);
|
|
var
|
|
AStream: TStringStream;
|
|
AParser: TcxParser;
|
|
APos: Integer;
|
|
begin
|
|
APos := -1;
|
|
AStream := TStringStream.Create(AHTMLItem.EWFTagFormat);
|
|
AParser := TcxParser.Create(AStream);
|
|
try
|
|
while True do
|
|
begin
|
|
while AParser.NextToken <> toEOF do
|
|
if SameText(AParser.TokenString, AAtributeName) then
|
|
break;
|
|
while AParser.NextToken <> toEOF do
|
|
begin
|
|
APos := AParser.OutStringLength;
|
|
if SameText(AParser.TokenString, AOldAttributeValue) then
|
|
break;
|
|
end;
|
|
if (APos > -1) or (AParser.NextToken = toEOF) then
|
|
break;
|
|
end;
|
|
finally
|
|
AParser.Free;
|
|
AStream.Free;
|
|
end;
|
|
if APos > -1 then
|
|
AHTMLItem.EWFTagFormat := LeftStr(AHTMLItem.EWFTagFormat, APos - 1) +
|
|
ANewAttributeValue +
|
|
Copy(AHTMLItem.EWFTagFormat, APos + Length(AOldAttributeValue), Length(AHTMLItem.EWFTagFormat))
|
|
else
|
|
AHTMLItem.EWFTagFormat := LeftStr(AHTMLItem.EWFTagFormat, Length(AHTMLItem.EWFTagFormat) - 1) +
|
|
' ' + AAtributeName + '="' + ANewAttributeValue + '">';
|
|
end;
|
|
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to ContainerItemCount - 1 do
|
|
begin
|
|
if (ContainerItems[I].RenderChildren <> endRender) then
|
|
begin
|
|
CorrectEWFTag(ContainerItems[I],
|
|
scxRenderChildren,
|
|
GetEnumName(TypeInfo(TcxRenderChildren), Integer(ContainerItems[I].RenderChildren)),
|
|
GetEnumName(TypeInfo(TcxRenderChildren), Integer(endRender)));
|
|
ContainerItems[I].RenderChildren := endRender;
|
|
end;
|
|
if not Supports(ContainerItems[I].Component, IcxWebPageModule) then
|
|
begin
|
|
CorrectEWFTag(ContainerItems[I], scxLayout,
|
|
GetEnumName(TypeInfo(TcxWebControlLayout), Integer(ContainerItems[I].WebContainerControl.ControlLayout)),
|
|
GetEnumName(TypeInfo(TcxWebControlLayout), Integer(wclFlow)));
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
ADeletedComponents: TList;
|
|
ACreatedControls: TList;
|
|
AWebModuleContainer: IcxWebContainerControl;
|
|
begin
|
|
CheckDuplicatedNames;
|
|
CheckFormHTMLItem;
|
|
ADeletedComponents := TList.Create;
|
|
ACreatedControls := TList.Create;
|
|
Supports(Module, IcxWebContainerControl, AWebModuleContainer);
|
|
try
|
|
AddDeletedComponents(ADeletedComponents);
|
|
if not self.DeleteComponents then
|
|
CreateControlsFromDeletedList(ADeletedComponents);
|
|
AddCreatedControls(ACreatedControls);
|
|
ChangeNames(ADeletedComponents, ACreatedControls);
|
|
DeleteComponents(ADeletedComponents);
|
|
CreateComponents(ACreatedControls, AWebModuleContainer);
|
|
ChangeParents(AWebModuleContainer);
|
|
SetContainersAttributes;
|
|
finally
|
|
ADeletedComponents.Free;
|
|
ACreatedControls.Free;
|
|
end;
|
|
end;
|
|
|
|
|
|
procedure cxDesignerComponentHTMLItemCorrector(AParser: TcxCustomWebDesignerHTMLProd;
|
|
AItem: TcxComponentHTMLItem; AHTMLTextBuilder: TcxHTMLTextBuilder);
|
|
|
|
function ReplaceComponentName(const AEWFTag, AOldName, ANewName: string): string;
|
|
var
|
|
AStream: TStringStream;
|
|
AParser: TcxParser;
|
|
APos: Integer;
|
|
begin
|
|
APos := -1;
|
|
AStream := TStringStream.Create(AEWFTag);
|
|
AParser := TcxParser.Create(AStream);
|
|
try
|
|
while True do
|
|
begin
|
|
while AParser.NextToken <> toEOF do
|
|
if SameText(AParser.TokenString, scxId) then
|
|
break;
|
|
while AParser.NextToken <> toEOF do
|
|
begin
|
|
APos := AParser.OutStringLength;
|
|
if SameText(AParser.TokenString, AOldName) then
|
|
break;
|
|
end;
|
|
if AParser.IsEOF then
|
|
APos := -1;
|
|
if (APos > -1) or (AParser.NextToken = toEOF) then
|
|
break;
|
|
end;
|
|
finally
|
|
AParser.Free;
|
|
AStream.Free;
|
|
end;
|
|
if APos > -1 then
|
|
Result := LeftStr(AEWFTag, APos - 1) + ANewName +
|
|
Copy(AEWFTag, APos + Length(AOldName), Length(AEWFTag))
|
|
else Result := AEWFTag;
|
|
end;
|
|
|
|
var
|
|
AOldName, AEWFTag: string;
|
|
APageModule: IcxWebPageModule;
|
|
begin
|
|
AEWFTag := AParser.FStoredTags.GetEWFTag(AItem.Component);
|
|
if AEWFTag = '' then //Is new?
|
|
begin
|
|
// AHTMLTextBuilder.WriteText(' '); //on the next line
|
|
if Supports(AItem.Component, IcxWebContainerControl) and //add endrender and FlowLayout for Panel
|
|
not Supports(AItem.Component, IcxWebPageModule) then
|
|
AHTMLTextBuilder.WriteText(Format('<%s:%s %s="%s" %s="%s" %s="%s">',
|
|
[scxEWF, AItem.ComponentClassName, scxId, AItem.Component.Name,
|
|
scxRenderChildren, GetEnumName(TypeInfo(TcxRenderChildren), Integer(endRender)),
|
|
scxLayout, GetEnumName(TypeInfo(TcxWebControlLayout), Integer(wclFlow))]),
|
|
False)
|
|
else
|
|
AHTMLTextBuilder.WriteText(Format('<%s:%s %s="%s">', [scxEWF, AItem.ComponentClassName,
|
|
scxId, AItem.Component.Name]), False);
|
|
end
|
|
else
|
|
begin
|
|
AOldName := AParser.FStoredTags.GetOldName(AItem.Component);
|
|
if not SameText(AOldName, AItem.Component.Name) then
|
|
AEWFTag := ReplaceComponentName(AEWFTag, AOldName, AItem.Component.Name);
|
|
if Supports(AParser.Module, IcxWebPageModule, APageModule) and
|
|
(AParser.Module <> AItem.Component) and
|
|
(APageModule.GetPositioningType <> cxptGrid) and
|
|
(AParser.FStoredTags.PositioningType = cxptGrid) then
|
|
AHTMLTextBuilder.WriteText(' ');
|
|
AHTMLTextBuilder.WriteText(AEWFTag, False, False);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxDesignerWebControlHTMLItemCorrect.WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder);
|
|
begin
|
|
cxDesignerComponentHTMLItemCorrector(TcxCustomWebDesignerHTMLProd(HTMLProd), self, AHTMLTextBuilder);
|
|
end;
|
|
|
|
procedure TcxDesignerWebContainerControlHTMLItemCorrect.WriteHTML(AHTMLTextBuilder: TcxHTMLTextBuilder);
|
|
var
|
|
I: Integer;
|
|
begin
|
|
cxDesignerComponentHTMLItemCorrector(TcxCustomWebDesignerHTMLProd(HTMLProd), self, AHTMLTextBuilder);
|
|
for I := 0 to Count - 1 do
|
|
Items[I].WriteHTML(AHTMLTextBuilder);
|
|
AHTMLTextBuilder.WriteText(EWFEndTagFormat, False, False);
|
|
end;
|
|
|
|
function TcxWebDesignerHTMLProdCorrect.GetComponentHTMLItemClass(AComponentClass: TComponentClass): TcxComponentHTMLItemClass;
|
|
begin
|
|
if Supports(AComponentClass, IcxWebContainerControl) then
|
|
Result := TcxDesignerWebContainerControlHTMLItemCorrect
|
|
else
|
|
if Supports(AComponentClass, IcxWebControl) then
|
|
Result := TcxDesignerWebControlHTMLItemCorrect
|
|
else Result := inherited GetComponentHTMLItemClass(AComponentClass);
|
|
end;
|
|
|
|
|
|
type
|
|
TcxHTMLWebUpdateControlPositionItem = class(TcxCustomWebUpdateControlPositionItem)
|
|
private
|
|
FHTMLElement: IHTMLElement;
|
|
FTableBuilderOffSet: TPoint;
|
|
FWebControl: IcxWebControl;
|
|
FReplaceElement: Boolean;
|
|
protected
|
|
function GetBoundsRect: TRect; override;
|
|
procedure SetBoundsRect(const Value: TRect); override;
|
|
public
|
|
constructor Create(ARoot: TComponent; AHTMLElement: IHTMLElement;
|
|
ATableBuilderOffset: TPoint; AReplaceElement: Boolean);
|
|
|
|
procedure WriteHTML(HTMLTextBuilder: TcxHTMLTextBuilder); override;
|
|
property HTMLElement: IHTMLElement read FHTMLElement;
|
|
property WebControl: IcxWebControl read FWebControl;
|
|
end;
|
|
|
|
|
|
{TcxHTMLWebUpdateControlPositionItem}
|
|
constructor TcxHTMLWebUpdateControlPositionItem.Create(ARoot: TComponent;
|
|
AHTMLElement: IHTMLElement; ATableBuilderOffset: TPoint; AReplaceElement: Boolean);
|
|
var
|
|
AComponent: TComponent;
|
|
begin
|
|
FReplaceElement := AReplaceElement;
|
|
FHTMLElement := AHTMLElement;
|
|
FTableBuilderOffset := ATableBuilderOffset;
|
|
FWebControl := nil;
|
|
if ARoot <> nil then
|
|
AComponent := GetComponentByHTMLElement(ARoot, AHTMLElement)
|
|
else AComponent := nil;
|
|
if AComponent <> nil then
|
|
Supports(AComponent, IcxWebControl, FWebControl);
|
|
end;
|
|
|
|
function TcxHTMLWebUpdateControlPositionItem.GetBoundsRect: TRect;
|
|
begin
|
|
with HTMLElement.style do
|
|
begin
|
|
Result.Left := pixelLeft;
|
|
Result.Top := pixelTop;
|
|
if WebControl <> nil then
|
|
begin
|
|
with WebControl.BoundsRect do
|
|
begin
|
|
Result.Right := Result.Left + Right - Left;
|
|
Result.Bottom := Result.Top + Bottom - Top;
|
|
end;
|
|
end else
|
|
begin
|
|
Result.Right := HTMLElement.offsetWidth + pixelLeft;
|
|
Result.Bottom := HTMLElement.offsetHeight + pixelTop;
|
|
end;
|
|
end;
|
|
OffsetRect(Result, -FTableBuilderOffset.X, -FTableBuilderOffset.Y);
|
|
end;
|
|
|
|
procedure TcxHTMLWebUpdateControlPositionItem.SetBoundsRect(const Value: TRect);
|
|
var
|
|
R: TRect;
|
|
begin
|
|
R := Value;
|
|
OffsetRect(R, FTableBuilderOffset.X, FTableBuilderOffset.Y);
|
|
if WebControl <> nil then
|
|
WebControl.BoundsRect := R;
|
|
with HTMLElement.style do
|
|
begin
|
|
pixelLeft := R.Left;
|
|
pixelTop := R.Top;
|
|
pixelWidth := R.Right - R.Left;
|
|
pixelHeight := R.Bottom - R.Top;
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLWebUpdateControlPositionItem.WriteHTML(HTMLTextBuilder: TcxHTMLTextBuilder);
|
|
begin
|
|
HTMLTextBuilder.WriteText(HTMLElement.outerHTML);
|
|
if FReplaceElement then
|
|
HTMLElement.outerHTML := '';
|
|
end;
|
|
|
|
function IsHTMLElementTableBuilder(AElement: IHTMLElement): Boolean;
|
|
var
|
|
AttrValue: Variant;
|
|
begin
|
|
if(CompareText(AElement.tagName, 'TABLE') = 0) then
|
|
begin
|
|
AttrValue := AElement.getAttribute(cxWebTableBuilderAttribute, 0);
|
|
if VarType(AttrValue) = varOleStr then
|
|
Result := CompareText(AttrValue, 'TRUE') = 0
|
|
else Result := False;
|
|
end else Result := False;
|
|
end;
|
|
|
|
function IsHTMLElementTableBuilderElement(AElement: IHTMLElement): Boolean;
|
|
var
|
|
ATagName: string;
|
|
begin
|
|
Result := IsHTMLElementTableBuilder(AElement);
|
|
if not Result then
|
|
begin
|
|
ATagName := AElement.tagName;
|
|
if ((CompareText(ATagName, 'TR') = 0) or
|
|
(CompareText(ATagName, 'TD') = 0) or
|
|
(CompareText(ATagName, 'TBODY') = 0))
|
|
and (AElement.parentElement <> nil) then
|
|
Result := IsHTMLElementTableBuilderElement(AElement.parentElement)
|
|
end;
|
|
end;
|
|
|
|
function FindHTMLTable(ADOM: IHTMLDOcument2): IHTMLElement;
|
|
var
|
|
ADOM3: IHTMLDocument3;
|
|
AElementCollection: IHTMLElementCollection;
|
|
ADispatch: IDispatch;
|
|
AElement: IHTMLElement;
|
|
I: Integer;
|
|
begin
|
|
Result := nil;
|
|
if Supports(ADOM, IHTMLDocument3, ADOM3) then
|
|
begin
|
|
AElementCollection := ADOM3.getElementsByTagName('TABLE');
|
|
for I := 0 to AElementCollection.length - 1 do
|
|
begin
|
|
ADispatch := AElementCollection.item(I, i);
|
|
if (ADispatch <> nil) and
|
|
(ADispatch.QueryInterface(IHTMLElement, AElement) = S_OK) and
|
|
IsHTMLElementTableBuilder(AElement) then
|
|
begin
|
|
Result := AElement;
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function GetHTMLTable(ARoot: TComponent; ADOM: IHTMLDocument2): IHTMLElement;
|
|
var
|
|
I: Integer;
|
|
ABody_FormNode, AElementNode, ANodeAfterTable: IHTMLDOMNode;
|
|
AELement: IHTMLElement;
|
|
AElementCollection: IHTMLElementCollection;
|
|
AHTMLTable: IHTMLTable;
|
|
begin
|
|
Result := FindHTMLTable(ADOM);
|
|
if Result = nil then
|
|
begin
|
|
Result := ADOM.createElement(Format('<TABLE border="0" %s="TRUE"></TABLE>', [cxWebTableBuilderAttribute]));
|
|
if Supports(Result, IHTMLDOMNode, AElementNode) then
|
|
begin
|
|
if Supports(GetDesignerHTMLMainParentElement(ADOM, ARoot), IHTMLDOMNode, ABody_FormNode) then
|
|
begin
|
|
AElementCollection := (ABody_FormNode as IHTMLElement).children as IHTMLElementCollection;
|
|
for I := 0 to AElementCollection.length - 1 do
|
|
begin
|
|
if Supports(AElementCollection.item(I, I), IHTMLElement, AELement) then
|
|
if IsHTMLCustomElement(AElement) then break;
|
|
end;
|
|
ANodeAfterTable := nil;
|
|
if (AELement <> nil) and SameText(AELement.tagName, scxForm) then
|
|
begin
|
|
ABody_FormNode := AElement as IHTMLDOMNode;
|
|
AElementCollection := AElement.children as IHTMLElementCollection;
|
|
for I := 0 to AElementCollection.length - 1 do
|
|
begin
|
|
if Supports(AElementCollection.item(I, I), IHTMLElement, AELement) then
|
|
if IsHTMLCustomElement(AElement) then
|
|
begin
|
|
Supports(AElement, IHTMLDOMNode, ANodeAfterTable);
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
if ANodeAfterTable <> nil then
|
|
ABody_FormNode.insertBefore(AElementNode, ANodeAfterTable)
|
|
else ABody_FormNode.appendChild(AElementNode);
|
|
end;
|
|
if Supports(Result, IHTMLTable, AHTMLTable) then
|
|
AHTMLTable.insertRow(0);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
procedure GetHTMLElements(ADOM: IHTMLDocument2; AList: IInterfaceList);
|
|
|
|
procedure AddControls(AHTMLElement: IHTMLElement);
|
|
var
|
|
I: Integer;
|
|
AElementCollection: IHTMLElementCollection;
|
|
AElement: IHTMLElement;
|
|
AHTMLControl: IHTMLControlElement;
|
|
ADispatch: IDispatch;
|
|
begin
|
|
if AHTMLElement = nil then exit;
|
|
if AHTMLElement.children.QueryInterface(IHTMLElementCollection, AElementCollection) = S_OK then
|
|
for I := 0 to AElementCollection.length - 1 do
|
|
begin
|
|
ADispatch := AElementCollection.item(I, I);
|
|
if (ADispatch.QueryInterface(IHTMLElement, AElement) = S_OK) then
|
|
begin
|
|
if (ADispatch <> nil) and
|
|
((ADispatch.QueryInterface(IHTMLControlElement, AHTMLControl) = S_OK) or
|
|
(IsHTMLCustomElement(AElement) and not IsHTMLCustomFormElement(AElement)))then
|
|
begin
|
|
if not IsHTMLElementTableBuilderElement(AElement) then
|
|
AList.Add(AElement)
|
|
else AddControls(AElement);
|
|
end else AddControls(AElement);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
AElement: IHTMLElement;
|
|
begin
|
|
if ADOM.body = nil then exit;
|
|
ADOM.body.QueryInterface(IHTMLElement, AElement);
|
|
AddControls(AElement);
|
|
end;
|
|
|
|
procedure GetRegisterEWFTags(AStrings: TStrings);
|
|
var
|
|
I: Integer;
|
|
AComponentClass: TComponentClass;
|
|
|
|
procedure RegisterEWFTag(S: string);
|
|
const
|
|
EWFTagRemoveSt: Array[1..3] of String = ('T', 'CX', 'WEB');
|
|
var
|
|
I: Integer;
|
|
begin
|
|
AStrings.Add(S);
|
|
for I := Low(EWFTagRemoveSt) to High(EWFTagRemoveSt) do
|
|
if Pos(EWFTagRemoveSt[I], UpperCase(S)) = 1 then
|
|
begin
|
|
S := Copy(S, Length(EWFTagRemoveSt[I]) + 1, Length(S));
|
|
AStrings.Add(S);
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
AStrings.Add('Form');
|
|
for I := 0 to GetRegisteredWebControlCount - 1 do
|
|
begin
|
|
AComponentClass := GetRegisteredWebControlClass(I);
|
|
if AComponentClass <> nil then
|
|
RegisterEWFTag(AComponentClass.ClassName);
|
|
end;
|
|
end;
|
|
|
|
procedure GetWebDesignerControls(ARoot: TComponent; ADOM: IHTMLDOcument2;
|
|
AList: TList; ANeedHTMLTable, AReplaceElement: Boolean);
|
|
|
|
function GetTableBuilderOffSet: TPoint;
|
|
var
|
|
ATableBuilderElement: IHTMLElement;
|
|
AHTMLElement: IHTMLElement;
|
|
begin
|
|
Result := Point(0, 0);
|
|
if ANeedHTMLTable then
|
|
ATableBuilderElement := GetHTMLTable(ARoot, ADOM)
|
|
else ATableBuilderElement := FindHTMLTable(ADOM);
|
|
if ATableBuilderElement <> nil then
|
|
begin
|
|
Result.X := ATableBuilderElement.offsetLeft;
|
|
Result.Y := ATableBuilderElement.offsetTop;
|
|
AHTMLElement := ATableBuilderElement.offsetParent;
|
|
while AHTMLElement <> nil do
|
|
begin
|
|
Inc(Result.X, AHTMLElement.offsetLeft);
|
|
Inc(Result.Y, AHTMLElement.offsetTop);
|
|
AHTMLElement := AHTMLElement.offsetParent;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
ATableBuilderOffSet: TPoint;
|
|
AInterfaceList: IInterfaceList;
|
|
I: Integer;
|
|
AElement: IHTMLElement;
|
|
begin
|
|
ATableBuilderOffSet := GetTableBuilderOffSet;
|
|
AInterfaceList := TInterfaceList.Create;
|
|
GetHTMLElements(ADOM, AInterfaceList);
|
|
for I := 0 to AInterfaceList.Count - 1 do
|
|
begin
|
|
AElement := IHTMLElement(AInterfaceList[I]);
|
|
if AElement.style.pixelTop < ATableBuilderOffset.Y then
|
|
ATableBuilderOffset.Y := AElement.style.pixelTop;
|
|
if AElement.style.pixelLeft < ATableBuilderOffset.X then
|
|
ATableBuilderOffset.X := AElement.style.pixelLeft;
|
|
end;
|
|
for I := 0 to AInterfaceList.Count - 1 do
|
|
AList.Add(TcxHTMLWebUpdateControlPositionItem.Create(ARoot, IHTMLElement(AInterfaceList[I]),
|
|
ATableBuilderOffset, AReplaceElement));
|
|
end;
|
|
|
|
function HasTableBuilderTag(ADOM: IHTMLDocument2): Boolean;
|
|
begin
|
|
Result := FindHTMLTable(ADOM) <> nil;
|
|
end;
|
|
|
|
procedure RemoveDesignerTableBuilder(ADOM: IHTMLDocument2);
|
|
var
|
|
ATableBuilder: IHTMLElement;
|
|
ATableBuilderParentNode, AElementNode, ANodeAfterTable: IHTMLDOMNode;
|
|
AList: IInterfaceList;
|
|
I: Integer;
|
|
begin
|
|
ATableBuilder := FindHTMLTable(ADOM);
|
|
if (ATableBuilder = nil) or
|
|
not Supports(ATableBuilder, IHTMLDOMNode, ATableBuilderParentNode) or
|
|
(ATableBuilderParentNode = nil) or
|
|
(ATableBuilderParentNode.parentNode = nil) then exit;
|
|
ANodeAfterTable := ATableBuilderParentNode.nextSibling;
|
|
ATableBuilderParentNode := ATableBuilderParentNode.parentNode;
|
|
AList := TInterfaceList.Create;
|
|
GetHTMLElements(ADOM, AList);
|
|
for I := 0 to AList.Count - 1 do
|
|
begin
|
|
if Supports(IHTMLElement(AList[I]), IHTMLDOMNode, AElementNode) then
|
|
if ANodeAfterTable <> nil then
|
|
ATableBuilderParentNode.insertBefore(AElementNode, ANodeAfterTable)
|
|
else ATableBuilderParentNode.appendChild(AElementNode);
|
|
end;
|
|
ATableBuilder.outerHTML := '';
|
|
end;
|
|
|
|
type
|
|
PcxHTMLTableCellRec = ^TcxHTMLTableCellRec;
|
|
TcxHTMLTableCellRec = record
|
|
StartColIndex: Integer;
|
|
RowSpan: Integer;
|
|
ColSpan: Integer;
|
|
end;
|
|
|
|
//We don't take into account the first for so the 0 index is HTMLTable.row[1]
|
|
TcxHTMLTableCellInfo = class
|
|
private
|
|
FList: TList;
|
|
FHTMLTable: IHTMLTable;
|
|
|
|
function GetCellInfo(row, col: Integer): PcxHTMLTableCellRec;
|
|
function CreateCellInfo(row, col: Integer): PcxHTMLTableCellRec;
|
|
|
|
function GetCellCount(row: Integer): Integer;
|
|
function GetCellColNo(row, col: Integer): Integer;
|
|
function GetCellColSpan(row, col: Integer): Integer;
|
|
function GetCellRowSpan(row, col: Integer): Integer;
|
|
procedure SetCellColNo(row, col: Integer; const Value: Integer);
|
|
procedure SetCellColSpan(row, col: Integer; const Value: Integer);
|
|
procedure SetCellRowSpan(row, col: Integer; const Value: Integer);
|
|
protected
|
|
procedure CreateMatrix;
|
|
procedure CreateRow(ARow: IHTMLTableRow);
|
|
procedure CreateCell(ACell: IHTMLTableCell; ARowIndex: Integer);
|
|
|
|
property HTMLTable: IHTMLTable read FHTMLTable;
|
|
public
|
|
constructor Create(AHTMLTable: IHTMLTable);
|
|
destructor Destroy; override;
|
|
|
|
function RowCount: Integer;
|
|
property CellCount[row: Integer]: Integer read GetCellCount;
|
|
property CellColNo[row, col: Integer]: Integer read GetCellColNo write SetCellColNo;
|
|
property CellColSpan[row, col: Integer]: Integer read GetCellColSpan write SetCellColSpan;
|
|
property CellRowSpan[row, col: Integer]: Integer read GetCellRowSpan write SetCellRowSpan;
|
|
end;
|
|
|
|
{TcxHTMLTableCellInfo}
|
|
constructor TcxHTMLTableCellInfo.Create(AHTMLTable: IHTMLTable);
|
|
begin
|
|
FList := TList.Create;
|
|
FHTMLTable := AHTMLTable;
|
|
CreateMatrix;
|
|
end;
|
|
|
|
destructor TcxHTMLTableCellInfo.Destroy;
|
|
var
|
|
I, J: Integer;
|
|
begin
|
|
for I := 0 to FList.Count - 1 do
|
|
begin
|
|
for J := 0 to TList(FList[I]).Count - 1 do
|
|
Dispose(PcxHTMLTableCellRec(TList(FList[I])[J]));
|
|
TList(FList[I]).Free;
|
|
end;
|
|
FList.Free;
|
|
inherited Destroy;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.RowCount: Integer;
|
|
begin
|
|
Result := FList.Count;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.CreateMatrix;
|
|
var
|
|
I: Integer;
|
|
ADispatch: IDispatch;
|
|
ARow: IHTMLTableRow;
|
|
begin
|
|
for I := 1 to HTMLTable.rows.length - 1 do
|
|
begin
|
|
ADispatch := HTMLTable.rows.item(I, I);
|
|
if ADispatch.QueryInterface(IHTMLTableRow, ARow) = S_OK then
|
|
CreateRow(ARow);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.CreateRow(ARow: IHTMLTableRow);
|
|
var
|
|
I: Integer;
|
|
ADispatch: IDispatch;
|
|
ACell: IHTMLTableCell;
|
|
begin
|
|
for I := 0 to ARow.cells.length - 1 do
|
|
begin
|
|
ADispatch := ARow.cells.item(I, I);
|
|
if ADispatch.QueryInterface(IHTMLTableCell, ACell) = S_OK then
|
|
CreateCell(ACell, ARow.rowIndex - 1);
|
|
end;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.CreateCell(ACell: IHTMLTableCell; ARowIndex: Integer);
|
|
var
|
|
AStartIndex, AEndIndex, ASpanCount: Integer;
|
|
ACellIndex: Integer;
|
|
I, J: Integer;
|
|
begin
|
|
ACellIndex := ACell.cellIndex;
|
|
CellColSpan[ARowIndex, ACellIndex] := ACell.colSpan;
|
|
CellRowSpan[ARowIndex, ACellIndex] := ACell.rowSpan;
|
|
if ACellIndex > 0 then
|
|
begin
|
|
AStartIndex := CellColNo[ARowIndex, ACellIndex - 1] + 1;
|
|
AEndIndex := AStartIndex + CellColSpan[ARowIndex, ACellIndex - 1] - 1;
|
|
end else
|
|
begin
|
|
AStartIndex := 0;
|
|
AEndIndex := 0;
|
|
end;
|
|
ASpanCount := 0;
|
|
for I := 0 to ARowIndex - 1 do
|
|
for J := 0 to CellCount[I] - 1 do
|
|
if (I + CellRowSpan[I, J] > ARowIndex) and
|
|
(CellColNo[I, J] >= AStartIndex) and (CellColNo[I, J] <= AEndIndex) then
|
|
Inc(ASpanCount, CellColSpan[I, J]);
|
|
CellColNo[ARowIndex, ACellIndex] := AEndIndex + ASpanCount;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.GetCellCount(row: Integer): Integer;
|
|
begin
|
|
if row < FList.Count then
|
|
Result := TList(FList[row]).Count
|
|
else Result := 0;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.GetCellColNo(row, col: Integer): Integer;
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
Result := 0
|
|
else Result := ARec^.StartColIndex;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.GetCellColSpan(row, col: Integer): Integer;
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
Result := 0
|
|
else Result := ARec^.ColSpan;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.GetCellRowSpan(row, col: Integer): Integer;
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
Result := 0
|
|
else Result := ARec^.RowSpan;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.SetCellColNo(row, col: Integer; const Value: Integer);
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
ARec := CreateCellInfo(row, col);
|
|
ARec^.StartColIndex := Value;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.SetCellColSpan(row, col: Integer; const Value: Integer);
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
ARec := CreateCellInfo(row, col);
|
|
ARec^.ColSpan := Value;
|
|
end;
|
|
|
|
procedure TcxHTMLTableCellInfo.SetCellRowSpan(row, col: Integer; const Value: Integer);
|
|
var
|
|
ARec: PcxHTMLTableCellRec;
|
|
begin
|
|
ARec := GetCellInfo(row, col);
|
|
if ARec = nil then
|
|
ARec := CreateCellInfo(row, col);
|
|
ARec^.RowSpan := Value;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.GetCellInfo(row, col: Integer): PcxHTMLTableCellRec;
|
|
begin
|
|
if (row < FList.Count) and (col < TList(FList[row]).Count) then
|
|
Result := PcxHTMLTableCellRec(TList(FList[row])[col])
|
|
else Result := nil;
|
|
end;
|
|
|
|
function TcxHTMLTableCellInfo.CreateCellInfo(row, col: Integer): PcxHTMLTableCellRec;
|
|
var
|
|
AList: TList;
|
|
AStartIndex: Integer;
|
|
begin
|
|
Result := nil;
|
|
while row >= FList.Count do
|
|
FList.Add(TList.Create);
|
|
AList := TList(FList[row]);
|
|
if AList.Count > 0 then
|
|
AStartIndex := PcxHTMLTableCellRec(AList[AList.Count -1])^.StartColIndex
|
|
else AStartIndex := 0;
|
|
while col >= AList.Count do
|
|
begin
|
|
New(Result);
|
|
Result^.StartColIndex := AStartIndex;
|
|
Result^.RowSpan := 0;
|
|
Result^.ColSpan := 0;
|
|
AList.Add(Result);
|
|
end;
|
|
end;
|
|
|
|
procedure UpdateDesignerControlsPosition(ADOM: IHTMLDocument2; AList: TList; AAbsolute: Boolean);
|
|
var
|
|
AHTMLTable: IHTMLTable;
|
|
ATableCellInfo: TcxHTMLTableCellInfo;
|
|
|
|
function GetRowoffSet(AElement: IHTMLElement): Integer;
|
|
var
|
|
ARow, ACellRow: IHTMLTableRow;
|
|
ADispatch: IDispatch;
|
|
ARow2: IHTMLTableRow2;
|
|
ACell: IHTMLTableCell;
|
|
I: Integer;
|
|
begin
|
|
Result := 0;
|
|
while (AElement.parentElement <> nil) and
|
|
(CompareText(AElement.parentElement.tagName, 'TR') <> 0) do
|
|
AElement := AElement.parentElement;
|
|
if (AElement.parentElement <> nil) and
|
|
Supports(AElement.parentElement, IHTMLTableRow, ARow) then
|
|
begin
|
|
for I := 0 to ARow.rowIndex - 1 do
|
|
begin
|
|
ADispatch := AHTMLTable.rows.item(I, I);
|
|
if (ADispatch <> nil) and
|
|
(ADispatch.QueryInterface(IHTMLTableRow2, ARow2) = S_OK) then
|
|
begin
|
|
if (VarType(ARow2.height) = varInteger) then
|
|
Inc(Result, Integer(ARow2.height))
|
|
else
|
|
begin
|
|
if ARow2.height <> '' then
|
|
Inc(Result, StrToInt(ARow2.height))
|
|
else
|
|
begin
|
|
ADispatch.QueryInterface(IHTMLTableRow, ACellRow);
|
|
if ACellRow.cells.length > 0 then
|
|
begin
|
|
ADispatch := ACellRow.cells.item(0, 0);
|
|
if (ADispatch <> nil) and
|
|
(ADispatch.QueryInterface(IHTMLTableCell, ACell) = S_OK) then
|
|
begin
|
|
if (VarType(ACell.height) = varInteger) then
|
|
Inc(Result, Integer(ACell.height))
|
|
else
|
|
if ACell.height <> '' then
|
|
Inc(Result, StrToInt(ACell.height))
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function GetColoffSet(AElement: IHTMLElement): Integer;
|
|
var
|
|
ARow: IHTMLTableRow;
|
|
ADispatch: IDispatch;
|
|
ACell: IHTMLTableCell;
|
|
I: Integer;
|
|
ACollsCount: Integer;
|
|
begin
|
|
Result := 0;
|
|
if Supports(AElement, IHTMLTableCell, ACell) then
|
|
begin
|
|
while (AElement.parentElement <> nil) and
|
|
(CompareText(AElement.parentElement.tagName, 'TR') <> 0) do
|
|
AElement := AElement.parentElement;
|
|
if Supports(AElement.parentElement, IHTMLTableRow, ARow) then
|
|
begin
|
|
ACollsCount := ATableCellInfo.CellColNo[ARow.rowIndex - 1, ACell.cellIndex];
|
|
ADispatch := AHTMLTable.rows.item(0, 0);
|
|
if ADispatch.QueryInterface(IHTMLTableRow, ARow) = S_OK then
|
|
begin
|
|
if ACollsCount >= ARow.cells.length then
|
|
ACollsCount := ARow.cells.length -1;
|
|
for I := 0 to ACollsCount - 1 do
|
|
begin
|
|
ADispatch := ARow.cells.item(I, I);
|
|
if (ADispatch <> nil) and
|
|
(ADispatch.QueryInterface(IHTMLTableCell, ACell) = S_OK) then
|
|
begin
|
|
if (VarType(ACell.width) = varInteger) then
|
|
Inc(Result, Integer(ACell.width))
|
|
else
|
|
if ACell.width <> '' then
|
|
Inc(Result, StrToInt(ACell.width));
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
var
|
|
I: Integer;
|
|
AStyle2: IHTMLStyle2;
|
|
ATop, ALeft: Integer;
|
|
AHTMLElement: IHTMLElement;
|
|
AHTMLTableElement: IHTMLElement;
|
|
begin
|
|
AHTMLTableElement := FindHTMLTable(ADOM);
|
|
if AHTMLTableElement <> nil then
|
|
Supports(AHTMLTableElement, IHTMLTable, AHTMLTable)
|
|
else AHTMLTable := nil;
|
|
if (AHTMLTable <> nil) and AAbsolute then
|
|
ATableCellInfo := TcxHTMLTableCellInfo.Create(AHTMLTable)
|
|
else ATableCellInfo := nil;
|
|
for I := 0 to AList.Count - 1 do
|
|
begin
|
|
with TcxHTMLWebUpdateControlPositionItem(AList[I]) do
|
|
begin
|
|
if Supports(HTMLElement.style, IHTMLStyle2, AStyle2) then
|
|
begin
|
|
if AAbsolute then
|
|
begin
|
|
AStyle2.position := 'absolute';
|
|
if (AHTMLTable <> nil) and (HTMLElement.ParentElement <> nil) and
|
|
(CompareText(HTMLElement.ParentElement.tagName, 'TD') = 0) then
|
|
begin
|
|
AHTMLElement := HTMLElement.ParentElement;
|
|
ALeft := GetColoffSet(AHTMLElement);
|
|
ATop := GetRowoffSet(AHTMLElement) + AHTMLTableElement.offsetTop;
|
|
AHTMLElement := AHTMLElement.offsetParent;
|
|
while AHTMLElement <> nil do
|
|
begin
|
|
Inc(ALeft, AHTMLElement.offsetLeft);
|
|
AHTMLElement := AHTMLElement.offsetParent;
|
|
end;
|
|
HTMLElement.style.pixelLeft := ALeft;
|
|
HTMLElement.style.pixelTop := ATop;
|
|
end;
|
|
end else
|
|
begin
|
|
AStyle2.position := '';
|
|
HTMLElement.style.left := null;
|
|
HTMLElement.style.top := null;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
if ATableCellInfo <> nil then
|
|
ATableCellInfo.Free;
|
|
end;
|
|
|
|
procedure UpdateWebDesignerControlsPosition(ARoot: TComponent; ADOM: IHTMLDocument2);
|
|
var
|
|
AList: TList;
|
|
I: Integer;
|
|
begin
|
|
if ADOM.body = nil then exit;
|
|
AList := TList.Create;
|
|
try
|
|
GetWebDesignerControls(ARoot, ADOM, AList, False, False);
|
|
UpdateWebControlsPosition(AList);
|
|
finally
|
|
for I := 0 to AList.Count - 1 do
|
|
TcxHTMLWebUpdateControlPositionItem(AList[I]).Free;
|
|
AList.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure UpdateWebDesignerTableBuilder(ARoot: TComponent; ADOM: IHTMLDocument2);
|
|
var
|
|
AList: TList;
|
|
ABuilder: TcxWebHTMLTableBuilder;
|
|
ATableText: string;
|
|
|
|
procedure ClearControlPositionItems;
|
|
var
|
|
I: Integer;
|
|
begin
|
|
for I := 0 to AList.Count - 1 do
|
|
TcxHTMLWebUpdateControlPositionItem(AList[I]).Free;
|
|
AList.Clear;
|
|
end;
|
|
|
|
function GetTableText: string;
|
|
var
|
|
AHTMLTextBuilder: TcxHTMLTextBuilder;
|
|
begin
|
|
AHTMLTextBuilder := TcxHTMLTextBuilder.Create(TcxWebBrowserIE);
|
|
ABuilder.WriteHTML(AHTMLTextBuilder, ARoot.Name);
|
|
Result := AHTMLTextBuilder.Text;
|
|
AHTMLTextBuilder.Free;
|
|
end;
|
|
|
|
begin
|
|
if ADOM.body = nil then exit;
|
|
AList := TList.Create;
|
|
ABuilder := nil;
|
|
try
|
|
GetWebDesignerControls(ARoot, ADOM, AList, True, True);
|
|
UpdateWebControlsPosition(AList);
|
|
ABuilder := TcxWebHTMLTableBuilder.Create(AList);
|
|
ATableText := GetTableText;
|
|
GetHTMLTable(ARoot, ADOM).outerHTML := ATableText;
|
|
ClearControlPositionItems;
|
|
GetWebDesignerControls(ARoot, ADOM, AList, False, False);
|
|
UpdateDesignerControlsPosition(ADOM, AList, False);
|
|
finally
|
|
ABuilder.Free;
|
|
ClearControlPositionItems;
|
|
AList.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure UpdateEWFControlsPosition(AModule: TComponent;
|
|
ADOM3: IHTMLDocument3; APositioningType: TcxWebPositioningType);
|
|
var
|
|
I: Integer;
|
|
AWebControl: IcxWebControl;
|
|
AElement, AParentElement: IHTMLElement;
|
|
ALeft, ATop: Integer;
|
|
ARect: TRect;
|
|
begin
|
|
for I := 0 to AModule.ComponentCount - 1 do
|
|
begin
|
|
if Supports(AModule.Components[I], IcxWebControl, AWebControl) then
|
|
begin
|
|
AElement := GetHTMLElementByComponentName(ADOM3, AModule.Components[I].Name);
|
|
if AElement <> nil then
|
|
begin
|
|
if not Supports(AWebControl.Parent, IcxWebControl) then
|
|
begin
|
|
case APositioningType of
|
|
cxptGrid:
|
|
begin
|
|
if (CompareText(AElement.style.position, 'absolute') <> 0) then
|
|
begin
|
|
AParentElement := AElement.parentElement;
|
|
ALeft := AElement.offsetLeft;
|
|
ATop := AElement.offsetTop;
|
|
while AParentElement <> nil do
|
|
begin
|
|
Inc(ALeft, AParentElement.offsetLeft);
|
|
Inc(ATop, AParentElement.offsetTop);
|
|
AParentElement := AParentElement.parentElement;
|
|
end;
|
|
AElement.style.pixelLeft := ALeft;
|
|
AElement.style.pixelTop := ATop;
|
|
(AElement.style as IHTMLStyle2).position := 'absolute';
|
|
((ADOM3 as IHTMLDocument2).body as IHTMLDOMNode).appendChild(AElement as IHTMLDOMNode);
|
|
end;
|
|
with AElement.style, AWebControl.BoundsRect do
|
|
SetRect(ARect, pixelLeft, pixelTop,
|
|
pixelLeft + Right - Left, pixelTop + Bottom - Top);
|
|
if (ARect.Left = 0) and (ARect.Top = 0) and
|
|
((AWebControl.BoundsRect.Left > 0) or (AWebControl.BoundsRect.Top > 0)) then
|
|
begin
|
|
(AElement.style as IHTMLStyle2).position := 'absolute';
|
|
AElement.style.pixelLeft := AWebControl.BoundsRect.Left;
|
|
AElement.style.pixelTop := AWebControl.BoundsRect.Top;
|
|
end else AWebControl.BoundsRect := ARect;
|
|
end;
|
|
cxptAbsolute:
|
|
begin
|
|
(AElement.style as IHTMLStyle2).position := 'absolute';
|
|
AElement.style.pixelLeft := AWebControl.BoundsRect.Left;
|
|
AElement.style.pixelTop := AWebControl.BoundsRect.Top;
|
|
end;
|
|
end;
|
|
end;
|
|
// if Supports(AWebControl, IcxWebContainerControl) then
|
|
// begin
|
|
with AWebControl.BoundsRect do
|
|
begin
|
|
(AElement.style as IHTMLStyle).width := Right - Left;
|
|
(AElement.style as IHTMLStyle).height := Bottom - Top;
|
|
end;
|
|
// end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function GetDesignHTMLContextFromTemplate(AModule: TComponent;
|
|
const AHTML: string; AStoredTags: TcxEWFStoredTags;
|
|
ADeleteComponents: Boolean; APositioningType: TcxWebPositioningType): string;
|
|
var
|
|
AHTMLProd: TcxWebDesignerHTMLProd;
|
|
APageModuleIntf: IcxWebPageModule;
|
|
AList: TList;
|
|
I: Integer;
|
|
AConverter: TcxWebConverterDOM;
|
|
begin
|
|
AConverter := TcxWebConverterDOM.Create(nil);
|
|
try
|
|
if Supports(AModule, IcxWebPageModule, APageModuleIntf) then
|
|
begin
|
|
AStoredTags.Clear;
|
|
AStoredTags.PositioningType := APageModuleIntf.GetPositioningType;
|
|
AHTMLProd := TcxWebDesignerHTMLProd.Create(AModule, AStoredTags);
|
|
AHTMLProd.DeleteComponents := ADeleteComponents;
|
|
try
|
|
AHTMLProd.ParseHTML(AHTML);
|
|
Result := AHTMLProd.RenderHTML;
|
|
finally
|
|
AHTMLProd.Free;
|
|
end;
|
|
end
|
|
else Result := AHTML;
|
|
AConverter.DocumentHTML := FilterHTMLTemplate(Result);
|
|
|
|
if Supports(AModule, IcxWebPageModule) then
|
|
begin
|
|
if APositioningType in [cxptGrid, cxptAbsolute] then
|
|
begin
|
|
AList := TList.Create;
|
|
try
|
|
GetWebDesignerControls(AModule, AConverter.DOM, AList, False, False);
|
|
UpdateDesignerControlsPosition(AConverter.DOM, AList, True);
|
|
finally
|
|
for I := 0 to AList.Count - 1 do
|
|
TcxHTMLWebUpdateControlPositionItem(AList[I]).Free;
|
|
AList.Free;
|
|
end;
|
|
end;
|
|
AConverter.Wait;
|
|
RemoveDesignerTableBuilder(AConverter.DOM);
|
|
|
|
//Make sure that all EWF controls has correct position
|
|
// if APositioningType in [cxptGrid, cxptAbsolute] then
|
|
UpdateEWFControlsPosition(AModule, AConverter.DOM as IHTMLDocument3, APositioningType);
|
|
end;
|
|
|
|
AConverter.Wait;
|
|
Result := AConverter.DocumentHTML;
|
|
finally
|
|
AConverter.Free;
|
|
end;
|
|
end;
|
|
|
|
|
|
function GetDesignerHTMLMainParentElement(ADOM: IHTMLDocument2; ARoot: TComponent): IHTMLElement;
|
|
var
|
|
I: Integer;
|
|
Elements: IHTMLElementCollection;
|
|
begin
|
|
Result := (ADOM as IHTMLDocument3).getElementById(ARoot.Name);
|
|
if Result = nil then
|
|
begin
|
|
Elements := (ADOM as IHTMLDocument3).getElementsByTagName('form');
|
|
for I := 0 to Elements.length - 1 do
|
|
if IsHTMLCustomElement(Elements.item(I, 0) as IHTMLElement) then
|
|
begin
|
|
Result := Elements.item(I, 0) as IHTMLElement;
|
|
break
|
|
end;
|
|
end;
|
|
if (Result <> nil) and not IsHTMLCustomElement(Result) then
|
|
Result := nil;
|
|
if Result = nil then
|
|
Result := ADOM.body;
|
|
end;
|
|
|
|
function RemoveEWFCloseTags(const ARoot: TComponent; const AHTML: string): string;
|
|
var
|
|
AStream: TStringStream;
|
|
AParser: TcxParser;
|
|
ASavedPos: Integer;
|
|
AClassName: string;
|
|
AClass: TClass;
|
|
begin
|
|
AStream := TStringStream.Create(AHTML);
|
|
AParser := TcxParser.Create(AStream);
|
|
Result := '';
|
|
try
|
|
with AParser do
|
|
begin
|
|
while True do
|
|
begin
|
|
while not ((Token = '<') or IsEOF) do NextToken;
|
|
if IsEOF then break;
|
|
if Token = '<' then
|
|
begin
|
|
ASavedPos := OutStringLength;
|
|
if NextToken = '/' then
|
|
begin
|
|
if (NextToken = toSymbol) and SameText(TokenString, scxEWF) then
|
|
begin
|
|
if (NextToken = ':') and (NextToken = toSymbol) then
|
|
begin
|
|
AClassName := TokenString;
|
|
if SameText(AClassName, scxForm) then
|
|
AClass := nil
|
|
else AClass := cxWebGetClass(ARoot, AClassName);
|
|
if (AClass <> nil) and not Supports(AClass, IcxWebContainerControl) then
|
|
begin
|
|
while (Token <> '>') and not IsEOF do
|
|
begin
|
|
NextToken;
|
|
if Token = '>' then
|
|
begin
|
|
Result := Result + Copy(OutString, 1, ASavedPos - 1);
|
|
ResetOutput;
|
|
while (Result <> '') and (Result[Length(Result)] in [#13, #10, ' ']) do
|
|
Result := LeftStr(Result, Length(Result) - 1);
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
Result := Result + AParser.OutString;
|
|
finally
|
|
AParser.Free;
|
|
AStream.Free;
|
|
end;
|
|
end;
|
|
|
|
procedure CheckEWFForm(AModule: TComponent; ADOM: IHTMLDocument2);
|
|
var
|
|
AMainFormElement: IHTMLElement;
|
|
|
|
procedure CreateEWFForm;
|
|
begin
|
|
AMainFormElement := ADOM.createElement(
|
|
Format('<%0:s:%1:s %2:s="%3:s"></%0:s:%1:s>', [scxEWF, scxForm, scxId, cxEWFFormName]));
|
|
if Supports(ADOM.body, IHTMLBodyElement) then
|
|
(ADOM.body as IHTMLDOMNode).appendChild(AMainFormElement as IHTMLDOMNode);
|
|
end;
|
|
|
|
procedure CheckForms;
|
|
var
|
|
ADispatch: IDispatch;
|
|
ACollection: IHTMLElementCollection;
|
|
AFormList: IInterfaceList;
|
|
AElement: IHTMLElement;
|
|
ADOMNode: IHTMLDOMNode;
|
|
I: Integer;
|
|
begin
|
|
AFormList := TInterfaceList.Create;
|
|
AMainFormElement := nil;
|
|
ADispatch := ADOM.all.tags(scxForm);
|
|
if ADispatch.QueryInterface(IHTMLElementCollection, ACollection) = S_OK then
|
|
begin
|
|
for I := 0 to ACollection.length - 1 do
|
|
begin
|
|
ADispatch := ACollection.item(I, I);
|
|
if (ADispatch <> nil) and (ADispatch.QueryInterface(IHTMLElement, AElement) = S_OK)
|
|
and IsHTMLCustomElement(AElement) then
|
|
begin
|
|
if AMainFormElement = nil then
|
|
AMainFormElement := AElement
|
|
else AFormList.Add(AElement);
|
|
end;
|
|
end;
|
|
for I := AFormList.Count - 1 downto 0 do
|
|
begin
|
|
(AMainFormElement as IHTMLDOMNode).appendChild(IHTMLElement(AFormList[I]) as IHTMLDOMNode);
|
|
(IHTMLElement(AFormList[I]) as IHTMLDOMNode).removeNode(False);
|
|
end;
|
|
if AMainFormElement = nil then
|
|
CreateEWFForm
|
|
else begin
|
|
if (AMainFormElement.parentElement <> nil) and (ADOM.body <> nil)
|
|
and not SameText(AMainFormElement.parentElement.tagName, 'body') then
|
|
begin
|
|
ADOMNode := (AMainFormElement.parentElement as IHTMLDOMNode).removeChild(AMainFormElement as IHTMLDOMNode);
|
|
(ADOM.body as IHTMLDOMNode).appendChild(ADOMNode);
|
|
AElement := FindHTMLTable(ADOM);
|
|
if (AElement <> nil) and (AElement.parentElement <> nil)
|
|
and not AMainFormElement.contains(AElement) then
|
|
begin
|
|
ADOMNode := (AElement.parentElement as IHTMLDOMNode).removeChild(AElement as IHTMLDOMNode);
|
|
(AMainFormElement as IHTMLDOMNode).appendChild(ADOMNode);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function GetElementParent(AElement: IHTMLElement): IHTMLElement;
|
|
begin
|
|
Result := AElement;
|
|
while (Result.parentElement <> nil) and
|
|
not SameText(Result.parentElement.tagName, 'body') and
|
|
not SameText(Result.parentElement.tagName, 'head') and
|
|
not SameText(Result.parentElement.tagName, 'html') do
|
|
Result := Result.parentElement;
|
|
end;
|
|
|
|
procedure CheckParents;
|
|
var
|
|
I: Integer;
|
|
AElement: IHTMLElement;
|
|
begin
|
|
if AMainFormElement = nil then exit;
|
|
for I := 0 to AModule.ComponentCount - 1 do
|
|
if Supports(AModule.Components[I], IcxWebControl) then
|
|
begin
|
|
AElement := GetHTMLElementByComponentName(ADOM as IHTMLDocument3, AModule.Components[I].Name);
|
|
if (AElement <> nil) and not AMainFormElement.contains(AElement) then
|
|
begin
|
|
AElement := GetElementParent(AElement);
|
|
(AMainFormElement as IHTMLDOMNode).appendChild(AElement as IHTMLDOMNode);
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
begin
|
|
CheckForms;
|
|
CheckParents;
|
|
end;
|
|
|
|
function GetTempateHTMLFromDesigner(AModule: TComponent; const AHTML: string;
|
|
AStoredTags: TcxEWFStoredTags; APositioningType: TcxWebPositioningType): string;
|
|
var
|
|
AHTMLProd: TcxWebDesignerHTMLProdCorrect;
|
|
AConverter: TcxWebConverterDOM;
|
|
begin
|
|
AConverter := TcxWebConverterDOM.Create(nil);
|
|
try
|
|
if AConverter.DOM = nil then
|
|
Result := AHTML
|
|
else
|
|
begin
|
|
AConverter.DocumentHTML := AHTML;
|
|
AConverter.Wait;
|
|
CheckEWFForm(AModule, AConverter.DOM);
|
|
AConverter.Wait;
|
|
if APositioningType = cxptGrid then
|
|
UpdateWebDesignerTableBuilder(AModule, AConverter.DOM);
|
|
AConverter.Wait;
|
|
Result := FilterMSIEHTML(AConverter.DocumentHTML);
|
|
end;
|
|
Result := RemoveEWFCloseTags(AModule, Result);
|
|
AHTMLProd := TcxWebDesignerHTMLProdCorrect.Create(AModule, AStoredTags);
|
|
try
|
|
AHTMLProd.ParseHTML(Result);
|
|
Result := AHTMLProd.RenderHTML;
|
|
finally
|
|
AHTMLProd.Free;
|
|
end;
|
|
finally
|
|
AConverter.Free;
|
|
end;
|
|
end;
|
|
|
|
end.
|