| 1 |
unit MetaEditor; |
| 2 |
|
| 3 |
interface |
| 4 |
|
| 5 |
uses |
| 6 |
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, |
| 7 |
Dialogs, _BaseTemplate, ExtCtrls, VirtualTrees, StdCtrls; |
| 8 |
|
| 9 |
type |
| 10 |
TForm_Meta = class(TForm_BaseTemplate) |
| 11 |
VST: TVirtualStringTree; |
| 12 |
Panel2: TPanel; |
| 13 |
splitter: TSplitter; |
| 14 |
procedure FormCreate(Sender: TObject); |
| 15 |
procedure VSTInitChildren(Sender: TBaseVirtualTree; Node: PVirtualNode; |
| 16 |
var ChildCount: Cardinal); |
| 17 |
procedure FormClose(Sender: TObject; var Action: TCloseAction); |
| 18 |
procedure VSTFocusChanged(Sender: TBaseVirtualTree; Node: PVirtualNode; |
| 19 |
Column: TColumnIndex); |
| 20 |
procedure VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, |
| 21 |
NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; |
| 22 |
var Allowed: Boolean); |
| 23 |
procedure VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; |
| 24 |
Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString); |
| 25 |
procedure VSTPaintText(Sender: TBaseVirtualTree; |
| 26 |
const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex; |
| 27 |
TextType: TVSTTextType); |
| 28 |
private |
| 29 |
procedure NewCon(ID: Integer); |
| 30 |
public |
| 31 |
end; |
| 32 |
|
| 33 |
var |
| 34 |
Form_Meta: TForm_Meta; |
| 35 |
|
| 36 |
implementation |
| 37 |
{$R *.dfm} |
| 38 |
uses _MetaManager, _FileTypes, Data; |
| 39 |
|
| 40 |
type |
| 41 |
PNodeData = ^TNodeData; |
| 42 |
|
| 43 |
TNodeData = record |
| 44 |
Field: TObject; |
| 45 |
end; |
| 46 |
|
| 47 |
function AddVSTEntry(AVST: TCustomVirtualStringTree; ANode: PVirtualNode; |
| 48 |
ARecord: TNodeData): PVirtualNode; |
| 49 |
var |
| 50 |
Data: PNodeData; |
| 51 |
begin |
| 52 |
Result := AVST.AddChild(ANode); |
| 53 |
Data := AVST.GetNodeData(Result); |
| 54 |
AVST.ValidateNode(Result, False); |
| 55 |
Data^ := ARecord; |
| 56 |
end; |
| 57 |
|
| 58 |
|
| 59 |
procedure TForm_Meta.NewCon(ID: Integer); |
| 60 |
var |
| 61 |
a,b,c: Int64; |
| 62 |
i: Integer; |
| 63 |
data: TNodeData; |
| 64 |
node: PVirtualNode; |
| 65 |
begin |
| 66 |
if ID >= 0 then |
| 67 |
begin |
| 68 |
QueryPerformanceFrequency(c); |
| 69 |
QueryPerformanceCounter(a); |
| 70 |
if not Assigned(Meta) then |
| 71 |
Meta := TMetaManager.Create(ID); |
| 72 |
QueryPerformanceCounter(b); |
| 73 |
ShowMessage('Loading Done - ' + FloatToStr((b-a)/c) + 's'); |
| 74 |
|
| 75 |
VST.Clear; |
| 76 |
VST.BeginUpdate; |
| 77 |
for i := 0 to Meta.FileCount - 1 do |
| 78 |
begin |
| 79 |
if Assigned(Meta.FileById[i]) then |
| 80 |
begin |
| 81 |
data.Field := Meta.FileById[i]; |
| 82 |
node := AddVSTEntry(VST, nil, data); |
| 83 |
if Meta.FileById[i].ChildCount > 0 then |
| 84 |
VST.HasChildren[node] := True; |
| 85 |
end; |
| 86 |
end; |
| 87 |
VST.EndUpdate; |
| 88 |
end; |
| 89 |
end; |
| 90 |
|
| 91 |
|
| 92 |
procedure TForm_Meta.VSTInitChildren(Sender: TBaseVirtualTree; |
| 93 |
Node: PVirtualNode; var ChildCount: Cardinal); |
| 94 |
var |
| 95 |
data: PNodeData; |
| 96 |
newdata: TNodeData; |
| 97 |
newnode: PVirtualNode; |
| 98 |
i: Integer; |
| 99 |
id: Integer; |
| 100 |
begin |
| 101 |
data := VST.GetNodeData(node); |
| 102 |
for i := 0 to Meta.FileById[TFile(data.Field).FileID].ChildCount - 1 do |
| 103 |
begin |
| 104 |
id := Meta.FileById[TFile(data.Field).FileID].LinkByIndex[i].DestID; |
| 105 |
Meta.InitFile(id); |
| 106 |
newdata.Field := Meta.FileById[id]; |
| 107 |
newnode := AddVSTEntry(VST, Node, newdata); |
| 108 |
if Meta.FileById[id].ChildCount > 0 then |
| 109 |
VST.HasChildren[newnode] := True; |
| 110 |
end; |
| 111 |
ChildCount := Meta.FileById[TFile(data.Field).FileID].ChildCount; |
| 112 |
end; |
| 113 |
|
| 114 |
|
| 115 |
procedure TForm_Meta.VSTFocusChanged(Sender: TBaseVirtualTree; |
| 116 |
Node: PVirtualNode; Column: TColumnIndex); |
| 117 |
var |
| 118 |
data: PNodeData; |
| 119 |
begin |
| 120 |
data := Sender.GetNodeData(Node); |
| 121 |
if data.Field is TFile then |
| 122 |
begin |
| 123 |
TFile(data.Field).InitEditor; |
| 124 |
if Assigned(TFile(data.Field).Editor) then |
| 125 |
begin |
| 126 |
panel2.InsertControl(TFile(data.Field).Editor); |
| 127 |
TFile(data.Field).Opened := True; |
| 128 |
end; |
| 129 |
end; |
| 130 |
end; |
| 131 |
|
| 132 |
|
| 133 |
procedure TForm_Meta.VSTFocusChanging(Sender: TBaseVirtualTree; OldNode, |
| 134 |
NewNode: PVirtualNode; OldColumn, NewColumn: TColumnIndex; |
| 135 |
var Allowed: Boolean); |
| 136 |
var |
| 137 |
data: PNodeData; |
| 138 |
i: Integer; |
| 139 |
begin |
| 140 |
data := Sender.GetNodeData(NewNode); |
| 141 |
if data.Field is TFile then |
| 142 |
begin |
| 143 |
TFile(data.Field).InitEditor; |
| 144 |
if Assigned(TFile(data.Field).Editor) then |
| 145 |
Allowed := not TFile(data.Field).Opened |
| 146 |
else |
| 147 |
Allowed := True; |
| 148 |
end; |
| 149 |
if Allowed and Assigned(OldNode) then |
| 150 |
begin |
| 151 |
data := Sender.GetNodeData(OldNode); |
| 152 |
if data.Field is TFile then |
| 153 |
begin |
| 154 |
if TFile(data.Field).Opened then |
| 155 |
begin |
| 156 |
if panel2.ControlCount > 0 then |
| 157 |
for i := 0 to panel2.ControlCount - 1 do |
| 158 |
panel2.RemoveControl(panel2.Controls[i]); |
| 159 |
TFile(data.Field).Opened := False; |
| 160 |
end; |
| 161 |
end; |
| 162 |
end; |
| 163 |
end; |
| 164 |
|
| 165 |
|
| 166 |
procedure TForm_Meta.VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode; |
| 167 |
Column: TColumnIndex; TextType: TVSTTextType; var CellText: WideString); |
| 168 |
var |
| 169 |
Data: PNodeData; |
| 170 |
begin |
| 171 |
Data := Sender.GetNodeData(Node); |
| 172 |
CellText := ''; |
| 173 |
if TextType = ttNormal then |
| 174 |
begin |
| 175 |
case Column of |
| 176 |
0: |
| 177 |
begin |
| 178 |
if Data.Field is TFile then |
| 179 |
begin |
| 180 |
CellText := TFile(Data.Field).FileName; |
| 181 |
if CellText = '' then |
| 182 |
CellText := 'Unnamed'; |
| 183 |
end; |
| 184 |
end; |
| 185 |
1: |
| 186 |
begin |
| 187 |
if Data.Field is TFile then |
| 188 |
CellText := TFile(Data.Field).FileExt; |
| 189 |
end; |
| 190 |
2: |
| 191 |
begin |
| 192 |
if Data.Field is TFile then |
| 193 |
CellText := IntToStr(TFile(Data.Field).FileID); |
| 194 |
end; |
| 195 |
end; |
| 196 |
end; |
| 197 |
end; |
| 198 |
|
| 199 |
|
| 200 |
procedure TForm_Meta.VSTPaintText(Sender: TBaseVirtualTree; |
| 201 |
const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex; |
| 202 |
TextType: TVSTTextType); |
| 203 |
var |
| 204 |
Data: PNodeData; |
| 205 |
begin |
| 206 |
Data := Sender.GetNodeData(Node); |
| 207 |
if TextType = ttNormal then |
| 208 |
begin |
| 209 |
case Column of |
| 210 |
0: |
| 211 |
begin |
| 212 |
if Data.Field is TFile then |
| 213 |
begin |
| 214 |
if Length(TFile(Data.Field).FileName) = 0 then |
| 215 |
TargetCanvas.Font.Color := $C06060; |
| 216 |
if TFile(Data.Field).FileSize = 0 then |
| 217 |
TargetCanvas.Font.Color := $2020A0; |
| 218 |
end; |
| 219 |
end; |
| 220 |
end; |
| 221 |
end; |
| 222 |
end; |
| 223 |
|
| 224 |
|
| 225 |
|
| 226 |
procedure TForm_Meta.FormClose(Sender: TObject; var Action: TCloseAction); |
| 227 |
begin |
| 228 |
Meta.Free; |
| 229 |
inherited; |
| 230 |
end; |
| 231 |
|
| 232 |
procedure TForm_Meta.FormCreate(Sender: TObject); |
| 233 |
begin |
| 234 |
inherited; |
| 235 |
OnNewConnection := NewCon; |
| 236 |
|
| 237 |
VST.NodeDataSize := SizeOf(TNodeData); |
| 238 |
VST.Font.Charset := AppSettings.CharSet; |
| 239 |
VST.Clear; |
| 240 |
|
| 241 |
UpdateConList; |
| 242 |
end; |
| 243 |
|
| 244 |
end. |
