| 2 |  | interface | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 3 |  | uses | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 4 |  | Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, | 
 
 
 
 
 
 
 
 
 
 
 | 5 | < | Dialogs, VirtualTrees, _MetaManager, StdCtrls; | 
 
 
 
 
 
 
 
 
 | 5 | > | Dialogs, VirtualTrees, _MetaManager, StdCtrls, ExtCtrls; | 
 
 
 
 
 
 
 
 
 
 
 | 6 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 7 |  | type | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 8 |  | TForm_Meta = class(TForm) | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 9 |  | VST: TVirtualStringTree; | 
 
 
 
 
 
 
 
 | 10 | + | Panel1: TPanel; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 11 |  | Button1: TButton; | 
 
 
 
 
 
 
 
 
 | 11 | – | Label3: TLabel; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 12 |  | combo_connection: TComboBox; | 
 
 
 
 
 
 
 
 | 13 | + | Label3: TLabel; | 
 
 
 
 
 
 
 
 | 14 | + | Splitter1: TSplitter; | 
 
 
 
 
 
 
 
 | 15 | + | Panel2: TPanel; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 16 |  | procedure FormClose(Sender: TObject; var Action: TCloseAction); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 17 |  | procedure FormCreate(Sender: TObject); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 18 |  | procedure VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 23 |  | procedure VSTPaintText(Sender: TBaseVirtualTree; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 24 |  | const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 25 |  | TextType: TVSTTextType); | 
 
 
 
 
 
 
 
 | 26 | + | procedure VSTFocusChanged(Sender: TBaseVirtualTree; Node: PVirtualNode; | 
 
 
 
 
 
 
 
 | 27 | + | Column: TColumnIndex); | 
 
 
 
 
 
 
 
 | 28 | + | procedure VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, | 
 
 
 
 
 
 
 
 | 29 | + | NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; | 
 
 
 
 
 
 
 
 | 30 | + | var Allowed: Boolean); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 31 |  | private | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 32 |  | public | 
 
 
 
 
 
 
 
 
 | 25 | – | MetaManager: TMetaManager; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 33 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 34 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 35 |  | var | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 70 |  | id: Integer; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 71 |  | begin | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 72 |  | data := VST.GetNodeData(node); | 
 
 
 
 
 
 
 
 
 
 
 | 73 | < | for i := 0 to MetaManager.FileById[TFile(data.Field).FileID].ChildCount - 1 do | 
 
 
 
 
 
 
 
 
 | 73 | > | for i := 0 to Meta.FileById[TFile(data.Field).FileID].ChildCount - 1 do | 
 
 
 
 
 
 
 
 
 
 
 | 74 |  | begin | 
 
 
 
 
 
 
 
 
 
 
 | 75 | < | id := MetaManager.FileById[TFile(data.Field).FileID].LinkByIndex[i].DestID; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 76 | < | MetaManager.InitFile(id); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 77 | < | newdata.Field := MetaManager.FileById[id]; | 
 
 
 
 
 
 
 
 
 | 75 | > | id := Meta.FileById[TFile(data.Field).FileID].LinkByIndex[i].DestID; | 
 
 
 
 
 | 76 | > | Meta.InitFile(id); | 
 
 
 
 
 | 77 | > | newdata.Field := Meta.FileById[id]; | 
 
 
 
 
 
 
 
 
 
 
 | 78 |  | newnode := AddVSTEntry(VST, Node, newdata); | 
 
 
 
 
 
 
 
 
 
 
 | 79 | < | if MetaManager.FileById[id].ChildCount > 0 then | 
 
 
 
 
 
 
 
 
 | 79 | > | if Meta.FileById[id].ChildCount > 0 then | 
 
 
 
 
 
 
 
 
 
 
 | 80 |  | VST.HasChildren[newnode] := True; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 81 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 | 82 | < | ChildCount := MetaManager.FileById[TFile(data.Field).FileID].ChildCount; | 
 
 
 
 
 
 
 
 
 | 82 | > | ChildCount := Meta.FileById[TFile(data.Field).FileID].ChildCount; | 
 
 
 
 
 
 
 
 
 
 
 | 83 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 84 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 85 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 100 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 101 |  | QueryPerformanceFrequency(c); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 102 |  | QueryPerformanceCounter(a); | 
 
 
 
 
 
 
 
 
 
 
 | 103 | < | MetaManager := TMetaManager.Create(conid); | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 103 | > | if not Assigned(Meta) then | 
 
 
 
 
 | 104 | > | Meta := TMetaManager.Create(conid); | 
 
 
 
 
 
 
 
 
 
 
 | 105 |  | QueryPerformanceCounter(b); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 106 |  | ShowMessage('Loading Done - ' + FloatToStr((b-a)/c) + 's'); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 107 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 108 |  | VST.Clear; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 109 |  | VST.BeginUpdate; | 
 
 
 
 
 
 
 
 
 
 
 | 110 | < | for i := 0 to MetaManager.FileCount - 1 do | 
 
 
 
 
 
 
 
 
 | 110 | > | for i := 0 to Meta.FileCount - 1 do | 
 
 
 
 
 
 
 
 
 
 
 | 111 |  | begin | 
 
 
 
 
 
 
 
 
 
 
 | 112 | < | if Assigned(MetaManager.FileById[i]) then | 
 
 
 
 
 
 
 
 
 | 112 | > | if Assigned(Meta.FileById[i]) then | 
 
 
 
 
 
 
 
 
 
 
 | 113 |  | begin | 
 
 
 
 
 
 
 
 
 
 
 | 114 | < | data.Field := MetaManager.FileById[i]; | 
 
 
 
 
 
 
 
 
 | 114 | > | data.Field := Meta.FileById[i]; | 
 
 
 
 
 
 
 
 
 
 
 | 115 |  | node := AddVSTEntry(VST, nil, data); | 
 
 
 
 
 
 
 
 
 
 
 | 116 | < | if MetaManager.FileById[i].ChildCount > 0 then | 
 
 
 
 
 
 
 
 
 | 116 | > | if Meta.FileById[i].ChildCount > 0 then | 
 
 
 
 
 
 
 
 
 
 
 | 117 |  | VST.HasChildren[node] := True; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 118 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 119 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 123 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 124 |  | procedure TForm_Meta.FormClose(Sender: TObject; var Action: TCloseAction); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 125 |  | begin | 
 
 
 
 
 
 
 
 
 
 
 | 126 | < | MetaManager.Free; | 
 
 
 
 
 
 
 
 
 | 126 | > | Meta.Free; | 
 
 
 
 
 
 
 
 
 
 
 | 127 |  | Action := caFree; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 128 |  | end; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 129 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 | 166 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 167 |  |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 168 |  |  | 
 
 
 
 
 
 
 
 | 169 | + | procedure TForm_Meta.VSTFocusChanged(Sender: TBaseVirtualTree; | 
 
 
 
 
 
 
 
 | 170 | + | Node: PVirtualNode; Column: TColumnIndex); | 
 
 
 
 
 
 
 
 | 171 | + | var | 
 
 
 
 
 
 
 
 | 172 | + | data: PNodeData; | 
 
 
 
 
 
 
 
 | 173 | + | begin | 
 
 
 
 
 
 
 
 | 174 | + | data := Sender.GetNodeData(Node); | 
 
 
 
 
 
 
 
 | 175 | + | if data.Field is TFile then | 
 
 
 
 
 
 
 
 | 176 | + | begin | 
 
 
 
 
 
 
 
 | 177 | + | TFile(data.Field).InitEditor; | 
 
 
 
 
 
 
 
 | 178 | + | if Assigned(TFile(data.Field).Editor) then | 
 
 
 
 
 
 
 
 | 179 | + | begin | 
 
 
 
 
 
 
 
 | 180 | + | panel2.InsertControl(TFile(data.Field).Editor); | 
 
 
 
 
 
 
 
 | 181 | + | TFile(data.Field).Opened := True; | 
 
 
 
 
 
 
 
 | 182 | + | end; | 
 
 
 
 
 
 
 
 | 183 | + | end; | 
 
 
 
 
 
 
 
 | 184 | + | end; | 
 
 
 
 
 
 
 
 | 185 | + |  | 
 
 
 
 
 
 
 
 | 186 | + | procedure TForm_Meta.VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, | 
 
 
 
 
 
 
 
 | 187 | + | NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; | 
 
 
 
 
 
 
 
 | 188 | + | var Allowed: Boolean); | 
 
 
 
 
 
 
 
 | 189 | + | var | 
 
 
 
 
 
 
 
 | 190 | + | data: PNodeData; | 
 
 
 
 
 
 
 
 | 191 | + | i: Integer; | 
 
 
 
 
 
 
 
 | 192 | + | begin | 
 
 
 
 
 
 
 
 | 193 | + | data := Sender.GetNodeData(NewNode); | 
 
 
 
 
 
 
 
 | 194 | + | if data.Field is TFile then | 
 
 
 
 
 
 
 
 | 195 | + | begin | 
 
 
 
 
 
 
 
 | 196 | + | TFile(data.Field).InitEditor; | 
 
 
 
 
 
 
 
 | 197 | + | if Assigned(TFile(data.Field).Editor) then | 
 
 
 
 
 
 
 
 | 198 | + | Allowed := not TFile(data.Field).Opened | 
 
 
 
 
 
 
 
 | 199 | + | else | 
 
 
 
 
 
 
 
 | 200 | + | Allowed := True; | 
 
 
 
 
 
 
 
 | 201 | + | end; | 
 
 
 
 
 
 
 
 | 202 | + | if Allowed and Assigned(OldNode) then | 
 
 
 
 
 
 
 
 | 203 | + | begin | 
 
 
 
 
 
 
 
 | 204 | + | data := Sender.GetNodeData(OldNode); | 
 
 
 
 
 
 
 
 | 205 | + | if data.Field is TFile then | 
 
 
 
 
 
 
 
 | 206 | + | begin | 
 
 
 
 
 
 
 
 | 207 | + | if TFile(data.Field).Opened then | 
 
 
 
 
 
 
 
 | 208 | + | begin | 
 
 
 
 
 
 
 
 | 209 | + | if panel2.ControlCount > 0 then | 
 
 
 
 
 
 
 
 | 210 | + | for i := 0 to panel2.ControlCount - 1 do | 
 
 
 
 
 
 
 
 | 211 | + | panel2.RemoveControl(panel2.Controls[i]); | 
 
 
 
 
 
 
 
 | 212 | + | TFile(data.Field).Opened := False; | 
 
 
 
 
 
 
 
 | 213 | + | end; | 
 
 
 
 
 
 
 
 | 214 | + | end; | 
 
 
 
 
 
 
 
 | 215 | + | end; | 
 
 
 
 
 
 
 
 | 216 | + | end; | 
 
 
 
 
 
 
 
 | 217 | + |  | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 218 |  | procedure TForm_Meta.VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 219 |  | Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString); | 
 
 
 
 
 
 
 
 
 
 
 
 
 | 220 |  | var |