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unit MetaEditor; |
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|
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interface |
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|
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uses |
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Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, |
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Dialogs, _BaseTemplate, ExtCtrls, VirtualTrees, StdCtrls, ComCtrls, Grids, |
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MPHexEditor, Wrapgrid, VTHeaderPopup, Menus, _TreeElement; |
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|
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type |
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TForm_Meta = class(TForm_BaseTemplate) |
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VST: TVirtualStringTree; |
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splitter: TSplitter; |
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rightPages: TPageControl; |
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tab_hex: TTabSheet; |
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tab_meta: TTabSheet; |
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panel_hex_actions: TPanel; |
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hex: TMPHexEditor; |
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splitter_hex_1: TSplitter; |
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value_viewer: TWrapGrid; |
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splitter_hex_2: TSplitter; |
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structviewer: TVirtualStringTree; |
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value_viewer_context: TPopupMenu; |
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value_viewer_context_copy: TMenuItem; |
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value_viewer_context_copyasdec: TMenuItem; |
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value_viewer_context_copyasfloat: TMenuItem; |
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value_viewer_context_copyasbitset: TMenuItem; |
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value_viewer_context_copyasstring: TMenuItem; |
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value_viewer_context_copyashex: TMenuItem; |
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VTHPopup: TVTHeaderPopupMenu; |
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btn_export: TButton; |
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btn_import: TButton; |
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vst_popup: TPopupMenu; |
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vst_newRoot: TMenuItem; |
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vst_setRoot: TMenuItem; |
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procedure FormCreate(Sender: TObject); |
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procedure VSTInitChildren(Sender: TBaseVirtualTree; Node: PVirtualNode; |
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var ChildCount: Cardinal); |
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procedure FormClose(Sender: TObject; var Action: TCloseAction); |
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procedure VSTFocusChanged(Sender: TBaseVirtualTree; Node: PVirtualNode; |
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Column: TColumnIndex); |
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procedure VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, |
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NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; |
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var Allowed: Boolean); |
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procedure VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; |
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Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString); |
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procedure VSTPaintText(Sender: TBaseVirtualTree; |
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const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex; |
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TextType: TVSTTextType); |
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procedure VSTGetPopupMenu(Sender: TBaseVirtualTree; Node: PVirtualNode; |
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Column: TColumnIndex; const P: TPoint; var AskParent: Boolean; |
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var PopupMenu: TPopupMenu); |
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procedure vst_setRootClick(Sender: TObject); |
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procedure vst_newRootClick(Sender: TObject); |
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private |
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root: TTreeElement; |
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procedure NewCon(ID: Integer); |
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public |
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procedure SetRoot(TreeElem: TTreeElement); |
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end; |
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|
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|
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implementation |
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{$R *.dfm} |
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uses _MetaManager, _MetaTypes, ConnectionManager, Data, _FileTypes, Main; |
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|
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type |
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PNodeData = ^TNodeData; |
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|
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TNodeData = record |
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Field: TTreeElement; |
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end; |
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|
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function AddVSTEntry(AVST: TCustomVirtualStringTree; ANode: PVirtualNode; |
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ARecord: TNodeData): PVirtualNode; |
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var |
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Data: PNodeData; |
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begin |
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Result := AVST.AddChild(ANode); |
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Data := AVST.GetNodeData(Result); |
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AVST.ValidateNode(Result, False); |
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Data^ := ARecord; |
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end; |
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|
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|
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procedure TForm_Meta.NewCon(ID: Integer); |
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begin |
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if ID >= 0 then |
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SetRoot(ConManager.Connection[FConnectionID].MetaData.Root); |
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end; |
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|
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|
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procedure TForm_Meta.SetRoot(TreeElem: TTreeElement); |
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var |
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i: Integer; |
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data: TNodeData; |
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node: PVirtualNode; |
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begin |
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if FConnectionID <> TreeElem.ConnectionID then |
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SelectConnection(TreeElem.ConnectionID); |
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root := TreeElem; |
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VST.Clear; |
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VST.BeginUpdate; |
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for i := 0 to root.ChildCount - 1 do |
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begin |
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data.Field := root.Child[i]; |
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node := AddVSTEntry(VST, nil, data); |
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if data.Field.ChildCount > 0 then |
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VST.HasChildren[node] := True; |
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end; |
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VST.EndUpdate; |
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end; |
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|
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procedure TForm_Meta.VSTInitChildren(Sender: TBaseVirtualTree; |
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Node: PVirtualNode; var ChildCount: Cardinal); |
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var |
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data: PNodeData; |
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newdata: TNodeData; |
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newnode: PVirtualNode; |
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i: Integer; |
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Meta: TMetaManager; |
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begin |
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data := Sender.GetNodeData(node); |
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Meta := ConManager.Connection[ConnectionID].MetaData; |
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|
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if data.Field.ChildCount > 0 then |
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begin |
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for i := 0 to data.Field.ChildCount - 1 do |
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begin |
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newdata.Field := data.Field.Child[i]; |
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newnode := AddVSTEntry(TCustomVirtualStringTree(Sender), Node, newdata); |
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if newdata.Field.ChildCount > 0 then |
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Sender.HasChildren[newnode] := True; |
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end; |
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end; |
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ChildCount := Sender.ChildCount[Node]; |
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end; |
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|
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|
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procedure TForm_Meta.VSTFocusChanged(Sender: TBaseVirtualTree; |
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Node: PVirtualNode; Column: TColumnIndex); |
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var |
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data: PNodeData; |
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begin |
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data := Sender.GetNodeData(Node); |
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if data.Field is TFile then |
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begin |
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TFile(data.Field).InitEditor; |
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if Assigned(TFile(data.Field).Editor) then |
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begin |
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TFile(data.Field).Editor.Align := alClient; |
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tab_meta.InsertControl(TFile(data.Field).Editor); |
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TFile(data.Field).Opened := True; |
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end; |
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end; |
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end; |
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|
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|
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procedure TForm_Meta.VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, |
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NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; |
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var Allowed: Boolean); |
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var |
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data: PNodeData; |
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i: Integer; |
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begin |
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data := Sender.GetNodeData(NewNode); |
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if data.Field is TFile then |
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begin |
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TFile(data.Field).InitEditor; |
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if Assigned(TFile(data.Field).Editor) then |
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Allowed := not TFile(data.Field).Opened |
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else |
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Allowed := True; |
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end; |
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if Allowed and Assigned(OldNode) then |
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begin |
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data := Sender.GetNodeData(OldNode); |
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if data.Field is TFile then |
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begin |
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if TFile(data.Field).Opened then |
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begin |
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if tab_meta.ControlCount > 0 then |
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for i := 0 to tab_meta.ControlCount - 1 do |
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tab_meta.RemoveControl(tab_meta.Controls[i]); |
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TFile(data.Field).Opened := False; |
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end; |
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end; |
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end; |
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end; |
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|
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|
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procedure TForm_Meta.VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; |
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Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString); |
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var |
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Data: PNodeData; |
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begin |
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Data := Sender.GetNodeData(Node); |
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CellText := ''; |
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if TextType = ttNormal then |
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begin |
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case Column of |
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0: |
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begin |
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CellText := Data.Field.GetCaption; |
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end; |
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1: |
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begin |
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if Data.Field is TFile then |
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CellText := TFile(Data.Field).FileInfo.Extension; |
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end; |
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2: |
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begin |
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if Data.Field is TFile then |
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CellText := IntToStr(TFile(Data.Field).FileInfo.ID); |
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end; |
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3: |
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begin |
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if Data.Field is TDataField then |
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CellText := TDataField(Data.Field).ValueAsString; |
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end; |
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end; |
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end; |
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end; |
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|
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|
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procedure TForm_Meta.VSTPaintText(Sender: TBaseVirtualTree; |
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const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex; |
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TextType: TVSTTextType); |
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var |
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Data: PNodeData; |
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begin |
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Data := Sender.GetNodeData(Node); |
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if TextType = ttNormal then |
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begin |
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case Column of |
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0: |
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begin |
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if Data.Field is TFile then |
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begin |
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if Length(TFile(Data.Field).FileInfo.Name) = 0 then |
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TargetCanvas.Font.Color := $C06060; |
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if TFile(Data.Field).FileInfo.Size = 0 then |
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TargetCanvas.Font.Color := $2020A0; |
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end; |
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end; |
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end; |
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end; |
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end; |
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|
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|
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|
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procedure TForm_Meta.VSTGetPopupMenu(Sender: TBaseVirtualTree; |
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Node: PVirtualNode; Column: TColumnIndex; const P: TPoint; |
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var AskParent: Boolean; var PopupMenu: TPopupMenu); |
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var |
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data: PNodeData; |
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begin |
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inherited; |
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AskParent := False; |
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if Assigned(Node) then |
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begin |
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Sender.Selected[Node] := True; |
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Sender.FocusedNode := Node; |
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data := Sender.GetNodeData(Node); |
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if Column = 0 then |
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begin |
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if TTreeElement(data.Field).GetChildCount > 0 then |
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PopupMenu := vst_popup |
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else |
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PopupMenu := nil; |
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end; |
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end; |
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end; |
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|
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procedure TForm_Meta.vst_newRootClick(Sender: TObject); |
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var |
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data: PNodeData; |
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form: TForm_BaseTemplate; |
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begin |
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inherited; |
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data := VST.GetNodeData(VST.FocusedNode); |
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form := nil; |
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form := Form_Main.open_child('meta'); |
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if form is TForm_Meta then |
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TForm_Meta(form).SetRoot(data.Field); |
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end; |
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|
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procedure TForm_Meta.vst_setRootClick(Sender: TObject); |
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var |
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data: PNodeData; |
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begin |
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inherited; |
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data := VST.GetNodeData(VST.FocusedNode); |
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SetRoot(data.Field); |
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end; |
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|
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procedure TForm_Meta.FormClose(Sender: TObject; var Action: TCloseAction); |
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begin |
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// Meta.Free; |
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inherited; |
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end; |
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|
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procedure TForm_Meta.FormCreate(Sender: TObject); |
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begin |
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inherited; |
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OnNewConnection := NewCon; |
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|
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VST.NodeDataSize := SizeOf(TNodeData); |
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VST.Font.Charset := AppSettings.CharSet; |
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VST.Clear; |
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|
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UpdateConList; |
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end; |
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|
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end. |
