344 lines
12 KiB
ObjectPascal
344 lines
12 KiB
ObjectPascal
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{*******************************************************************}
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{ }
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{ Developer Express Visual Component Library }
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{ ExpressQuantumTreeList items editor }
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{ }
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{ Copyright (c) 1998-2009 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 EXPRESSGRID AND ALL ACCOMPANYING VCL }
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{ CONTROLS AS PART OF AN EXECUTABLE PROGRAM 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 dxTLEdit;
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interface
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{$I dxTLVer.inc}
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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dxTL, StdCtrls, ExtCtrls, Mask, Menus, dxCntner;
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type
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TFdxTreeListEdit = class(TForm)
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Panel1: TPanel;
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BColumnCustomizing: TButton;
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TreeList: TdxTreeList;
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Panel2: TPanel;
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btNewItem: TButton;
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btNewSubItem: TButton;
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btDeleteItem: TButton;
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Panel3: TPanel;
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BHelp: TButton;
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BCancel: TButton;
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BOk: TButton;
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PopupMenu: TPopupMenu;
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miNew: TMenuItem;
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miNewSubItem: TMenuItem;
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miDelete: TMenuItem;
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N1: TMenuItem;
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miColumns: TMenuItem;
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Panel4: TPanel;
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Panel5: TPanel;
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GroupBox1: TGroupBox;
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LImage: TLabel;
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edImageIndex: TEdit;
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LSelected: TLabel;
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edSelectedIndex: TEdit;
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LState: TLabel;
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edStateIndex: TEdit;
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GroupBox2: TGroupBox;
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Label1: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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edDefImage: TEdit;
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edDefSelected: TEdit;
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edDefState: TEdit;
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procedure BColumnCustomizingClick(Sender: TObject);
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procedure TreeListChangeNode(Sender: TObject; OldNode,
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Node: TdxTreeListNode);
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procedure TreeListEnter(Sender: TObject);
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procedure btNewItemClick(Sender: TObject);
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procedure btNewSubItemClick(Sender: TObject);
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procedure btDeleteItemClick(Sender: TObject);
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procedure FormActivate(Sender: TObject);
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procedure TreeListDragOver(Sender, Source: TObject; X, Y: Integer;
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State: TDragState; var Accept: Boolean);
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procedure TreeListDragDrop(Sender, Source: TObject; X, Y: Integer);
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procedure FormCreate(Sender: TObject);
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private
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procedure WMGetMinMaxInfo(var Message : TWMGetMinMaxInfo); message WM_GETMINMAXINFO;
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procedure SetDefaultSettings(Node: TdxTreeListNode);
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end;
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function ShowdxTreeListEditor(ATreeList: TdxTreeList): Boolean;
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implementation
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{$R *.DFM}
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function ShowdxTreeListEditor(ATreeList: TdxTreeList): Boolean;
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var
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AForm: TFdxTreeListEdit;
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Column: TdxTreeListColumn;
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I: Integer;
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begin
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Result := False;
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AForm := TFdxTreeListEdit.Create(nil);
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with AForm do
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begin
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TreeList.BeginUpdate;
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try
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// Style
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with TreeList do
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begin
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ArrowsColor := ATreeList.ArrowsColor;
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BandColor := ATreeList.BandColor;
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BandFont.Assign(ATreeList.BandFont);
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BandMaxRowCount := ATreeList.BandMaxRowCount;
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BandRowCount := ATreeList.BandRowCount;
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Color := ATreeList.Color;
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DefaultLayout := ATreeList.DefaultLayout;
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DefaultRowHeight := ATreeList.DefaultRowHeight;
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FixedBandLineWidth := ATreeList.FixedBandLineWidth;
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RowFooterColor := ATreeList.RowFooterColor;
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RowFooterTextColor := ATreeList.RowFooterTextColor;
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GridLineColor := ATreeList.GridLineColor;
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GroupNodeColor := ATreeList.GroupNodeColor;
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GroupNodeTextColor := ATreeList.GroupNodeTextColor;
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HeaderColor := ATreeList.HeaderColor;
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HeaderFont.Assign(ATreeList.HeaderFont);
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HeaderMinRowCount := ATreeList.HeaderMinRowCount;
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HeaderPanelMaxRowCount := ATreeList.HeaderPanelMaxRowCount;
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HeaderPanelRowCount := ATreeList.HeaderPanelRowCount;
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Images := ATreeList.Images;
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IndentDesc := ATreeList.IndentDesc;
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LookAndFeel := ATreeList.LookAndFeel;
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// Options
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Options := ATreeList.Options;
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Options := Options + [aoColumnSizing, aoColumnMoving, aoEditing,
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aoMultiSelect, aoImmediateEditor, aoExtMultiSelect];
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Options := Options - [aoRowSelect, aoTabs, aoHideFocusRect];
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// OptionsEx
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OptionsEx := ATreeList.OptionsEx;
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OptionsEx := OptionsEx + [aoBandSizing, aoBandMoving, aoEnterShowEditor,
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aoFullSizing, aoDragScroll, aoDragExpand, aoDragCollapse,
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aoBandPanelSizing, aoHeaderPanelSizing{, aoRowSizing}];
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PaintStyle := ATreeList.PaintStyle;
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PreviewLines := ATreeList.PreviewLines;
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RowSeparatorLineWidth := ATreeList.RowSeparatorLineWidth;
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ScrollBars := ATreeList.ScrollBars;
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ShowBands := ATreeList.ShowBands;
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ShowButtons := ATreeList.ShowButtons;
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ShowFooter := ATreeList.ShowFooter;
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ShowGrid := ATreeList.ShowGrid;
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ShowHeader := ATreeList.ShowHeader;
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ShowIndicator := ATreeList.ShowIndicator;
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ShowLines := ATreeList.ShowLines;
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ShowPreviewGrid := ATreeList.ShowPreviewGrid;
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ShowRoot := ATreeList.ShowRoot;
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ShowRowFooter := ATreeList.ShowRowFooter;
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StateImages := ATreeList.StateImages;
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TreeLineColor := ATreeList.TreeLineColor;
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TreeLineStyle := ATreeList.TreeLineStyle;
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WaitForExpandNodeTime := ATreeList.WaitForExpandNodeTime;
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end;
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TreeList.Bands.Assign(ATreeList.Bands);
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TreeList.AssignColumns(ATreeList);
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TreeList.AssignNodes(ATreeList);
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TreeList.FullExpand;
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if TreeList.TopNode <> nil then
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begin
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TreeList.TopNode.Focused := True;
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TreeList.TopNode.Selected := True;
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end;
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finally
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TreeList.EndUpdate;
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end;
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Caption := 'ExpressTreeList Items Editor (' + ATreeList.Name + ')';
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ShowModal;
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TreeList.EndColumnsCustomizing;
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if (ModalResult = mrOk) then
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begin
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ATreeList.BeginUpdate;
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try
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ATreeList.BandRowCount := TreeList.BandRowCount;
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ATreeList.DefaultRowHeight := TreeList.DefaultRowHeight;
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ATreeList.HeaderPanelRowCount := TreeList.HeaderPanelRowCount;
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ATreeList.Bands.Assign(TreeList.Bands);
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// assign columns
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// ATreeList.AssignColumns(TreeList);
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for I := 0 to TreeList.ColumnCount - 1 do
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begin
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Column := ATreeList.ColumnByName(TreeList.Columns[I].Name);
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Column.Assign(TreeList.Columns[I]);
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end;
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ATreeList.AssignNodes(TreeList);
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ATreeList.FullExpand;
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ATreeList.TopIndex := TreeList.TopIndex;
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ATreeList.FocusedNumber := TreeList.FocusedNumber;
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ATreeList.FocusedColumn := TreeList.FocusedColumn;
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finally
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ATreeList.EndUpdate;
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end;
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Result := True;
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end;
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end;
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AForm.Free;
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end;
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procedure TFdxTreeListEdit.FormCreate(Sender: TObject);
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begin
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{PM}
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miNew.Caption := btNewItem.Caption;
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miNewSubItem.Caption := btNewSubItem.Caption;
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miDelete.Caption := btDeleteItem.Caption;
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miColumns.Caption := BColumnCustomizing.Caption;
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end;
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procedure TFdxTreeListEdit.FormActivate(Sender: TObject);
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begin
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TreeListChangeNode(Self, nil, TreeList.FocusedNode);
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end;
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procedure TFdxTreeListEdit.WMGetMinMaxInfo(var Message: TWMGetMinMaxInfo);
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begin
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Message.MinMaxInfo^.ptMinTrackSize := Point(450, 354{280});
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inherited;
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end;
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procedure TFdxTreeListEdit.SetDefaultSettings(Node: TdxTreeListNode);
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begin
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with Node do
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try
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TreeList.ClearSelection;
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Focused := True;
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Selected := True;
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ImageIndex := StrToInt(edDefImage.Text);
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SelectedIndex := StrToInt(edDefSelected.Text);
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StateIndex := StrToInt(edDefState.Text);
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except
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end;
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end;
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// Events
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procedure TFdxTreeListEdit.BColumnCustomizingClick(Sender: TObject);
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begin
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TreeList.ColumnsCustomizing;
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end;
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procedure TFdxTreeListEdit.btNewItemClick(Sender: TObject);
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var
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Item: TdxTreeListNode;
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begin
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if (TreeList.FocusedNode <> nil) and
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(TreeList.FocusedNode.Parent <> nil) then
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Item := TreeList.FocusedNode.Parent.AddChild
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else Item := TreeList.Add;
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if Item <> nil then
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SetDefaultSettings(Item);
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end;
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procedure TFdxTreeListEdit.btNewSubItemClick(Sender: TObject);
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var
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Item: TdxTreeListNode;
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begin
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if TreeList.FocusedNode <> nil then
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begin
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Item := TreeList.FocusedNode.AddChild;
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if Item <> nil then
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SetDefaultSettings(Item);
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end;
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end;
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procedure TFdxTreeListEdit.btDeleteItemClick(Sender: TObject);
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begin
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TreeList.DeleteSelection;
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end;
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procedure TFdxTreeListEdit.TreeListChangeNode(Sender: TObject; OldNode,
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Node: TdxTreeListNode);
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begin
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try
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if edImageIndex.Modified and (OldNode <> nil) then
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OldNode.ImageIndex := StrToInt(edImageIndex.Text);
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if edSelectedIndex.Modified and (OldNode <> nil) then
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OldNode.SelectedIndex := StrToInt(edSelectedIndex.Text);
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if edStateIndex.Modified and (OldNode <> nil) then
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OldNode.StateIndex := StrToInt(edStateIndex.Text);
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except
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end;
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if Node = nil then Exit;
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edImageIndex.Text := IntToStr(Node.ImageIndex);
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edSelectedIndex.Text := IntToStr(Node.SelectedIndex);
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edStateIndex.Text := IntToStr(Node.StateIndex);
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end;
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procedure TFdxTreeListEdit.TreeListDragDrop(Sender, Source: TObject; X,
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Y: Integer);
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var
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AItem, AnItem: TdxTreeListNode;
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AttachMode: TdxTreeListNodeAttachMode;
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HT: TdxTreeListHitTest;
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begin
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if TreeList.SelectedCount = 0 then Exit;
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HT := TreeList.GetHitTestInfoAt(X, Y);
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AnItem := TreeList.GetNodeAt(X, Y);
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if HT in [htButton, htIcon, htStateIcon, htLabel, htNowhere, htIndent] then
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begin
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AttachMode := natlAddChild;
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if HT in [htButton, htIcon, htStateIcon, htLabel] then
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AttachMode := natlAddChild
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else if HT = htNowhere then
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begin
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AnItem := TreeList.Items[0];
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AttachMode := natlAdd;
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end
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else if HT = htIndent then AttachMode := natlInsert;
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while TreeList.SelectedCount > 0 do
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begin
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AItem := TreeList.SelectedNodes[0];
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AItem.Selected := False;
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AItem.MoveTo(AnItem, AttachMode);
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end;
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end;
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end;
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procedure TFdxTreeListEdit.TreeListDragOver(Sender, Source: TObject; X,
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Y: Integer; State: TDragState; var Accept: Boolean);
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begin
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if Source = TreeList then Accept := True
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else Accept := False;
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end;
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procedure TFdxTreeListEdit.TreeListEnter(Sender: TObject);
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begin
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TreeListChangeNode(Self, TreeList.FocusedNode, TreeList.FocusedNode);
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end;
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end.
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