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unit opkman_intf_packagelistfrm;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Classes, VirtualTrees,
// LCL
Forms, Controls, Buttons, Graphics, ExtCtrls, StdCtrls, LCLType, ButtonPanel,
Menus,
//IDEIntf
PackageIntf,
// OpkMan
opkman_const, opkman_serializablepackages, opkman_options,
opkman_Common;
type
{ TIntfPackageListFrm }
TIntfPackageListFrm = class(TForm)
ButtonPanel1: TButtonPanel;
imTree: TImageList;
pnExpCol: TPanel;
pnInfo: TPanel;
spCollapse: TSpeedButton;
spExpand: TSpeedButton;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure spCollapseClick(Sender: TObject);
procedure spExpandClick(Sender: TObject);
private
FVST: TVirtualStringTree;
FSortCol: Integer;
FSortDir: VirtualTrees.TSortDirection;
procedure VSTGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
Column: TColumnIndex; {%H-}TextType: TVSTTextType; var CellText: String);
procedure VSTGetImageIndex(Sender: TBaseVirtualTree; Node: PVirtualNode;
{%H-}Kind: TVTImageKind; Column: TColumnIndex; var {%H-}Ghosted: Boolean;
var ImageIndex: Integer);
procedure VSTCompareNodes(Sender: TBaseVirtualTree; Node1,
Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
procedure VSTHeaderClick(Sender: TVTHeader; HitInfo: TVTHeaderHitInfo);
procedure VSTGetHint(Sender: TBaseVirtualTree; Node: PVirtualNode; Column: TColumnIndex;
var LineBreakStyle: TVTTooltipLineBreakStyle; var HintText: String);
procedure VSTFreeNode(Sender: TBaseVirtualTree; Node: PVirtualNode);
public
procedure PopulateTree(APkgList: TList);
function IsLazarusPackageChecked(AName: String): Boolean;
end;
var
IntfPackageListFrm: TIntfPackageListFrm;
implementation
{$R *.lfm}
type
PData = ^TData;
TData = record
DataType: Integer;
LazarusPackageName: String;
Description: String;
Author: String;
LazCompatibility: String;
FPCCompatibility: String;
SupportedWidgetSet: String;
PackageType: TLazPackageType;
License: String;
Dependencies: String;
Version: String;
Button: TSpeedButton;
end;
{ TIntfPackageListFrm }
procedure TIntfPackageListFrm.FormCreate(Sender: TObject);
begin
Caption := rsOPMIntfPackageListFrm_Caption;
pnInfo.Caption := ' ' + rsOPMIntfPackageListFrm_pnInfo;
if not Options.UseDefaultTheme then
Self.Color := clBtnFace;
FVST := TVirtualStringTree.Create(nil);
with FVST do
begin
Parent := Self;
Align := alClient;
Anchors := [akLeft, akTop, akRight];
Images := ImTree;
DefaultNodeHeight := MulDiv(25, Screen.PixelsPerInch, 96);
Indent := 22;
TabOrder := 0;
DefaultText := '';
Header.AutoSizeIndex := 1;
Header.SortColumn := 0;
Header.Height := MulDiv(25, Screen.PixelsPerInch, 96);
Colors.DisabledColor := clBlack;
with Header.Columns.Add do
begin
Position := 0;
Width := MulDiv(200, Screen.PixelsPerInch, 96);
Text := rsOPMIntfPackageListFrm_VSTHeaderColumn_LazarusPackage;
end;
with Header.Columns.Add do
begin
Position := 1;
Width := MulDiv(200, Screen.PixelsPerInch, 96);
Text := rsOPMIntfPackageListFrm_VSTHeaderColumn_Data;
end;
Header.Options := [hoAutoResize, hoColumnResize, hoRestrictDrag, hoShowSortGlyphs, hoVisible];
TreeOptions.MiscOptions := [toCheckSupport, toFullRepaintOnResize, toInitOnSave, toToggleOnDblClick, toWheelPanning];
TreeOptions.PaintOptions := [toHideFocusRect, toShowRoot, toPopupMode, toShowButtons, toShowDropmark, toThemeAware, toUseBlendedImages];
TreeOptions.SelectionOptions := [toFullRowSelect, toRightClickSelect];
TreeOptions.AutoOptions := [toAutoTristateTracking];
HintMode := hmHint;
ShowHint := True;
OnGetText := @VSTGetText;
OnGetImageIndex := @VSTGetImageIndex;
OnCompareNodes := @VSTCompareNodes;
OnHeaderClick := @VSTHeaderClick;
OnGetHint := @VSTGetHint;
OnFreeNode := @VSTFreeNode;
end;
FVST.NodeDataSize := SizeOf(TData);
end;
procedure TIntfPackageListFrm.FormDestroy(Sender: TObject);
begin
FVST.Free;
end;
procedure TIntfPackageListFrm.spCollapseClick(Sender: TObject);
begin
FVST.FullCollapse;
end;
procedure TIntfPackageListFrm.spExpandClick(Sender: TObject);
begin
FVST.FullExpand;
end;
procedure TIntfPackageListFrm.VSTGetText(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
var CellText: String);
var
Data: PData;
begin
Data := FVST.GetNodeData(Node);
case Column of
0: case Data^.DataType of
0: CellText := Data^.LazarusPackageName;
1: CellText := rsMainFrm_VSTText_Description;
2: CellText := rsMainFrm_VSTText_Author;
3: CellText := rsMainFrm_VSTText_LazCompatibility;
4: CellText := rsMainFrm_VSTText_FPCCompatibility;
5: CellText := rsMainFrm_VSTText_SupportedWidgetsets;
6: CellText := rsMainFrm_VSTText_Packagetype;
7: CellText := rsMainFrm_VSTText_License;
8: CellText := rsMainFrm_VSTText_Dependecies;
9: CellText := rsMainFrm_VSTText_Version;
end;
1: case Data^.DataType of
0: CellText := '';
1: CellText := StringReplace(Data^.Description, sLineBreak, ' ', [rfReplaceAll]);
2: CellText := Data^.Author;
3: CellText := Data^.LazCompatibility;
4: CellText := Data^.FPCCompatibility;
5: CellText := Data^.SupportedWidgetSet;
6: CellText := GetPackageTypeString(Data^.PackageType);
7: CellText := StringReplace(Data^.License, sLineBreak, ' ', [rfReplaceAll]);
8: CellText := Data^.Dependencies;
9: CellText := Data^.Version;
end;
end;
end;
procedure TIntfPackageListFrm.VSTGetImageIndex(Sender: TBaseVirtualTree;
Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
var Ghosted: Boolean; var ImageIndex: Integer);
var
Data: PData;
begin
Data := FVST.GetNodeData(Node);
if Column = 0 then
ImageIndex := Data^.DataType
end;
procedure TIntfPackageListFrm.VSTCompareNodes(Sender: TBaseVirtualTree; Node1,
Node2: PVirtualNode; Column: TColumnIndex; var Result: Integer);
var
Data1: PData;
Data2: PData;
begin
Data1 := Sender.GetNodeData(Node1);
Data2 := Sender.GetNodeData(Node2);
if Column = 0 then
Result := CompareText(Data1^.LazarusPackageName, Data2^.LazarusPackageName);
end;
procedure TIntfPackageListFrm.VSTHeaderClick(Sender: TVTHeader; HitInfo: TVTHeaderHitInfo);
begin
if (HitInfo.Column <> 0) and (HitInfo.Column <> 1) and (HitInfo.Column <> 3) then
Exit;
if HitInfo.Button = mbLeft then
begin
with Sender, Treeview do
begin
if (SortColumn = NoColumn) or (SortColumn <> HitInfo.Column) then
begin
SortColumn := HitInfo.Column;
SortDirection := VirtualTrees.sdAscending;
end
else
begin
if SortDirection = VirtualTrees.sdAscending then
SortDirection := VirtualTrees.sdDescending
else
SortDirection := VirtualTrees.sdAscending;
FSortDir := SortDirection;
end;
SortTree(SortColumn, SortDirection, False);
FSortCol := Sender.SortColumn;
end;
end;
end;
procedure TIntfPackageListFrm.VSTGetHint(Sender: TBaseVirtualTree;
Node: PVirtualNode; Column: TColumnIndex;
var LineBreakStyle: TVTTooltipLineBreakStyle; var HintText: String);
var
Data: PData;
begin
Data := FVST.GetNodeData(Node);
if (Column = 0) then
Exit;
LineBreakStyle := hlbForceSingleLine;
case Data^.DataType of
1: HintText := Data^.Description;
7: HintText := Data^.License;
else
HintText := '';
end;
end;
procedure TIntfPackageListFrm.VSTFreeNode(Sender: TBaseVirtualTree;
Node: PVirtualNode);
var
Data: PData;
begin
Data := FVST.GetNodeData(Node);
Finalize(Data^);
end;
procedure TIntfPackageListFrm.PopulateTree(APkgList: TList);
var
I: Integer;
LazarusPkg: TLazarusPackage;
RootNode, Node: PVirtualNode;
RootData, Data: PData;
begin
for I := 0 to APkgList.Count - 1 do
begin
LazarusPkg := TLazarusPackage(APkgList.Items[I]);
//name
RootNode := FVST.AddChild(nil);
RootNode^.CheckType := ctTriStateCheckBox;
RootNode^.CheckState := csCheckedNormal;
RootData := FVST.GetNodeData(RootNode);
RootData^.LazarusPackageName := StringReplace(LazarusPkg.Name, '.lpk', '', [rfIgnoreCase, rfReplaceAll]);
RootData^.DataType := 0;
//description
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 1;
Data^.Description := LazarusPkg.Description;
//author
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 2;
Data^.Author := LazarusPkg.Author;
//LazCompatibility
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 3;
Data^.LazCompatibility := LazarusPkg.LazCompatibility;
//FPCCompatibility
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 4;
Data^.FPCCompatibility := LazarusPkg.FPCCompatibility;
//SupportedWidgetSet
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 5;
Data^.SupportedWidgetSet := LazarusPkg.SupportedWidgetSet;
//FPCCompatibility
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 6;
Data^.PackageType := LazarusPkg.PackageType;
//License
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 7;
Data^.License := LazarusPkg.License;
//Dependencies
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 8;
Data^.Dependencies := LazarusPkg.DependenciesAsString;
//FPCCompatibility
Node := FVST.AddChild(RootNode);
Data := FVST.GetNodeData(Node);
Data^.DataType := 9;
Data^.Version := LazarusPkg.VersionAsString;
end;
FVST.SortTree(0, sdAscending);
if FVST.RootNodeCount = 1 then
FVST.FullExpand
else
FVST.FullCollapse;
end;
function TIntfPackageListFrm.IsLazarusPackageChecked(AName: String): Boolean;
var
Node: PVirtualNode;
Data: PData;
begin
Result := False;
Node := FVST.GetFirst;
while Assigned(Node) do
begin
Data := FVST.GetNodeData(Node);
if UpperCase(Data^.LazarusPackageName + '.lpk') = UpperCase(AName) then
begin
Result := Node^.CheckState = csCheckedNormal;
Break;
end;
Node := FVST.GetNextSibling(Node);
end;
end;
end.
|
