162 lines
4.8 KiB
ObjectPascal
162 lines
4.8 KiB
ObjectPascal
{-----------------------------------------------------------------------------
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/MPL-1.1.html
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either expressed or implied. See the License for
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the specific language governing rights and limitations under the License.
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The Original Code is: JvColorProviderDsgnTreeFrame.pas, released on 2003-12-02.
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The Initial Developer of the Original Code is Marcel Bestebroer
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Portions created by Marcel Bestebroer are Copyright (C) 2002 - 2003 Marcel
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Bestebroer
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All Rights Reserved.
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Contributor(s):
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You may retrieve the latest version of this file at the Project JEDI's JVCL home page,
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located at http://jvcl.sourceforge.net
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Known Issues:
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-----------------------------------------------------------------------------}
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// $Id: JvColorProviderDsgnTreeFrame.pas 10610 2006-05-19 13:35:08Z elahn $
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unit JvColorProviderDsgnTreeFrame;
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{$I jvcl.inc}
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interface
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uses
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SysUtils, Classes,
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Windows, Messages, Graphics, Controls, Forms, Dialogs,
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ImgList, Menus, ActnList, ComCtrls,
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JvProviderTreeListDsgnFrame;
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type
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TfmeJvColorProviderDsgnTree = class(TfmeJvProviderTreeListDsgn)
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public
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procedure UpdateActionStates; override;
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published
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procedure aiAddItemExecute(Sender: TObject); override;
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procedure aiDeleteExecute(Sender: TObject); override;
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procedure aiClearExecute(Sender: TObject); override;
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end;
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implementation
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{$R *.dfm}
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uses
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JclStrings,
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JvColorProvider, JvDataProviderIntf, JvColorProviderAddDialogForm, JvTypes;
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procedure TfmeJvColorProviderDsgnTree.UpdateActionStates;
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var
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Item: IJvDataItem;
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ColItem: IJvColorItem;
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GrpItem: IJvDataItem;
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begin
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if lvProvider.SelCount <> 0 then
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Item := GetDataItem(lvProvider.Selected.Index);
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if Supports(Item, IJvColorItem, ColItem) then
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GrpItem := Item.Items.GetParent
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else
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GrpItem := Item;
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aiAddItem.Enabled := GrpItem <> nil;
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aiDelete.Enabled := ColItem <> nil;
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aiClear.Enabled := (GrpItem <> nil) and (ColItem = nil);
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aiRename.Enabled := ColItem <> nil;
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end;
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procedure TfmeJvColorProviderDsgnTree.aiAddItemExecute(Sender: TObject);
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var
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Item: IJvDataItem;
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ColItem: IJvColorItem;
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GrpItem: IJvDataItem;
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GrpType: TColorType;
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NewColor: TColor;
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begin
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Provider.Enter;
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try
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if lvProvider.SelCount <> 0 then
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Item := GetDataItem(lvProvider.Selected.Index);
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if Supports(Item, IJvColorItem, ColItem) then
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GrpItem := Item.Items.GetParent
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else
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GrpItem := Item;
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if GrpItem <> nil then
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begin
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GrpType := TColorType(StrToInt(StrRestOf(GrpItem.GetID,
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Length(cColorProviderGroupHeaderID) + 1)));
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if DoAddDsgnColor(GrpType, Provider.ProviderIntf, NewColor) then
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(Provider.ProviderIntf as IJvColorProvider).AddColor(GrpType, NewColor);
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end;
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finally
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Provider.Leave;
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end;
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end;
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procedure TfmeJvColorProviderDsgnTree.aiDeleteExecute(Sender: TObject);
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var
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Item: IJvDataItem;
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ColItem: IJvColorItem;
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GrpItem: IJvDataItem;
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begin
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Provider.Enter;
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try
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if lvProvider.SelCount <> 0 then
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Item := GetDataItem(lvProvider.Selected.Index);
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if Supports(Item, IJvColorItem, ColItem) then
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begin
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GrpItem := Item.Items.GetParent;
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case TColorType(StrToInt(StrRestOf(GrpItem.GetID, Length(cColorProviderGroupHeaderID)))) of
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ctStandard:
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(Provider.ProviderIntf as IJvColorProvider).DeleteStdColor(ColItem.Color);
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ctSystem:
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(Provider.ProviderIntf as IJvColorProvider).DeleteSysColor(ColItem.Color);
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ctCustom:
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(Provider.ProviderIntf as IJvColorProvider).DeleteCstColor(ColItem.Color);
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end;
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end;
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finally
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Provider.Leave;
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end;
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end;
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procedure TfmeJvColorProviderDsgnTree.aiClearExecute(Sender: TObject);
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var
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Item: IJvDataItem;
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ColItem: IJvColorItem;
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GrpItem: IJvDataItem;
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begin
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Provider.Enter;
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try
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if lvProvider.SelCount <> 0 then
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Item := GetDataItem(lvProvider.Selected.Index);
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if Supports(Item, IJvColorItem, ColItem) then
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GrpItem := Item.Items.GetParent
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else
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GrpItem := Item;
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if GrpItem <> nil then
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case TColorType(StrToInt(StrRestOf(GrpItem.GetID, Length(cColorProviderGroupHeaderID)))) of
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ctStandard:
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(Provider.ProviderIntf as IJvColorProvider).ClearStdColorList;
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ctSystem:
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(Provider.ProviderIntf as IJvColorProvider).ClearSysColorList;
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ctCustom:
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(Provider.ProviderIntf as IJvColorProvider).ClearCstColorList;
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end;
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finally
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Provider.Leave;
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end;
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end;
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end.
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