CentrED/Client/Tools/UfrmHueSettings.pas

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(*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* http://www.opensource.org/licenses/cddl1.php. If applicable,
* add the following below this CDDL HEADER, with the fields enclosed
* by brackets "[]" replaced with your own identifying * information:
* Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Portions Copyright 2011 Andreas Schneider
*)
unit UfrmHueSettings;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, StdCtrls,
ExtCtrls, Buttons, UfrmToolWindow, UHue,
XMLRead, XMLWrite, DOM;
type
{ TfrmHueSettings }
TfrmHueSettings = class(TfrmToolWindow)
btnAddRandom: TSpeedButton;
btnClearRandom: TSpeedButton;
btnDeleteRandom: TSpeedButton;
btnRandomPresetDelete: TSpeedButton;
btnRandomPresetSave: TSpeedButton;
cbRandomPreset: TComboBox;
cbRandom: TCheckBox;
edHue: TEdit;
gbRandom: TGroupBox;
lblHue: TLabel;
lbHue: TListBox;
lbRandom: TListBox;
procedure btnAddRandomClick(Sender: TObject);
procedure btnClearRandomClick(Sender: TObject);
procedure btnDeleteRandomClick(Sender: TObject);
procedure btnRandomPresetDeleteClick(Sender: TObject);
procedure btnRandomPresetSaveClick(Sender: TObject);
procedure cbRandomChange(Sender: TObject);
procedure cbRandomPresetChange(Sender: TObject);
procedure edHueEditingDone(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure lbHueDrawItem(Control: TWinControl; Index: Integer; ARect: TRect;
State: TOwnerDrawState);
procedure lbHueSelectionChange(Sender: TObject; User: boolean);
procedure lbRandomDragDrop(Sender, Source: TObject; X, Y: Integer);
procedure lbRandomDragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
private
FConfigDir: String;
FRandomHuePresetsFile: String;
FRandomHuePresetsDoc: TXMLDocument;
function FindRandomPreset(AName: String): TDOMElement;
procedure LoadRandomPresets;
procedure SaveRandomPresets;
public
function GetHue: Word;
public
class procedure DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;
ACaption: string);
end;
var
frmHueSettings: TfrmHueSettings;
implementation
uses
UGameResources, UGraphicHelper;
{ TfrmHueSettings }
procedure TfrmHueSettings.edHueEditingDone(Sender: TObject);
var
hueID: Integer;
begin
if (not TryStrToInt(edHue.Text, hueID)) or (hueID >= lbHue.Items.Count) then
begin
edHue.Text := Format('$%x', [lbHue.ItemIndex]);
MessageDlg('Invalid Hue', 'The hue you''ve entered is invalid.', mtWarning, [mbOK], 0);
end else
lbHue.ItemIndex := hueID;
end;
procedure TfrmHueSettings.btnDeleteRandomClick(Sender: TObject);
var
i: Integer;
begin
lbRandom.Items.BeginUpdate;
for i := lbRandom.Items.Count - 1 downto 0 do
if lbRandom.Selected[i] then
lbRandom.Items.Delete(i);
lbRandom.Items.EndUpdate;
end;
procedure TfrmHueSettings.btnRandomPresetDeleteClick(Sender: TObject);
var
preset: TDOMElement;
begin
if cbRandomPreset.ItemIndex > -1 then
begin
preset := TDOMElement(cbRandomPreset.Items.Objects[cbRandomPreset.ItemIndex]);
FRandomHuePresetsDoc.DocumentElement.RemoveChild(preset);
cbRandomPreset.Items.Delete(cbRandomPreset.ItemIndex);
cbRandomPreset.ItemIndex := -1;
end;
end;
procedure TfrmHueSettings.btnRandomPresetSaveClick(Sender: TObject);
var
presetName: string;
i: Integer;
preset, hue: TDOMElement;
children: TDOMNodeList;
begin
presetName := cbRandomPreset.Text;
if InputQuery('Save Preset', 'Enter the name of the preset:', presetName) then
begin
preset := FindRandomPreset(presetName);
if preset = nil then
begin
preset := FRandomHuePresetsDoc.CreateElement('Preset');
preset.AttribStrings['Name'] := presetName;
FRandomHuePresetsDoc.DocumentElement.AppendChild(preset);
cbRandomPreset.Items.AddObject(presetName, preset);
end else
begin
children := preset.GetChildNodes;
for i := children.Count - 1 downto 0 do
preset.RemoveChild(children[i]);
end;
for i := 0 to lbRandom.Items.Count - 1 do
begin
hue := FRandomHuePresetsDoc.CreateElement('Hue');
hue.AttribStrings['ID'] := IntToStr(PtrInt(lbRandom.Items.Objects[i]));
preset.AppendChild(hue);
end;
cbRandomPreset.ItemIndex := cbRandomPreset.Items.IndexOfObject(preset);
SaveRandomPresets;
end;
end;
procedure TfrmHueSettings.cbRandomChange(Sender: TObject);
begin
lbHue.MultiSelect := cbRandom.Checked;
gbRandom.Visible := cbRandom.Checked;
end;
procedure TfrmHueSettings.cbRandomPresetChange(Sender: TObject);
var
preset, hue: TDOMElement;
id: PtrInt;
begin
lbRandom.Clear;
if cbRandomPreset.ItemIndex > -1 then
begin
preset := TDOMElement(cbRandomPreset.Items.Objects[cbRandomPreset.ItemIndex]);
hue := TDOMElement(preset.FirstChild);
while hue <> nil do
begin
if hue.NodeName = 'Hue' then
begin
id := StrToInt(hue.AttribStrings['ID']);
lbRandom.Items.AddObject(lbHue.Items.Strings[id], TObject(id));
end;
hue := TDOMElement(hue.NextSibling);
end;
end;
end;
procedure TfrmHueSettings.btnClearRandomClick(Sender: TObject);
begin
lbRandom.Items.Clear;
end;
procedure TfrmHueSettings.btnAddRandomClick(Sender: TObject);
var
i: PtrInt;
begin
lbRandom.Items.BeginUpdate;
for i := 0 to lbHue.Count - 1 do
if lbHue.Selected[i] then
lbRandom.Items.AddObject(lbHue.Items.Strings[i], TObject(i));
lbRandom.Items.EndUpdate;
end;
procedure TfrmHueSettings.FormCreate(Sender: TObject);
var
i: Integer;
hue: THue;
begin
lbHue.Clear;
lbHue.Items.Add('$0 (no hue)');
for i := 1 to ResMan.Hue.Count do
begin
hue := ResMan.Hue.Hues[i-1];
lbHue.Items.AddObject(Format('$%x (%s)', [i, hue.Name]), hue);
end;
lbHue.ItemIndex := 0;
FConfigDir := GetAppConfigDir(False);
ForceDirectories(FConfigDir);
FRandomHuePresetsFile := FConfigDir + 'RandomHuePresets.xml';
LoadRandomPresets;
end;
procedure TfrmHueSettings.lbHueDrawItem(Control: TWinControl; Index: Integer;
ARect: TRect; State: TOwnerDrawState);
var
hue: THue;
begin
if Index > 0 then
hue := ResMan.Hue.Hues[Index-1]
else
hue := nil;
DrawHue(hue, TListBox(Control).Canvas, ARect, TListBox(Control).Items.Strings[Index]);
end;
procedure TfrmHueSettings.lbHueSelectionChange(Sender: TObject; User: boolean);
begin
edHue.Text := Format('$%x', [lbHue.ItemIndex]);
end;
procedure TfrmHueSettings.lbRandomDragDrop(Sender, Source: TObject; X,
Y: Integer);
begin
if Source = lbHue then
btnAddRandomClick(Sender);
end;
procedure TfrmHueSettings.lbRandomDragOver(Sender, Source: TObject; X,
Y: Integer; State: TDragState; var Accept: Boolean);
begin
if Source = lbHue then Accept := True;
end;
function TfrmHueSettings.FindRandomPreset(AName: String): TDOMElement;
begin
Result := TDOMElement(FRandomHuePresetsDoc.DocumentElement.FirstChild);
while Result <> nil do
begin
if SameText(Result.AttribStrings['Name'], AName) then
Break;
Result := TDOMElement(Result.NextSibling);
end;
end;
procedure TfrmHueSettings.LoadRandomPresets;
var
presetElement, hueElement: TDOMElement;
begin
FreeAndNil(FRandomHuePresetsDoc);
cbRandomPreset.Items.Clear;
if FileExists(FRandomHuePresetsFile) then
begin
ReadXMLFile(FRandomHuePresetsDoc, FRandomHuePresetsFile);
presetElement := TDOMElement(FRandomHuePresetsDoc.DocumentElement.FirstChild);
while presetElement <> nil do
begin
if presetElement.NodeName = 'Preset' then
cbRandomPreset.Items.AddObject(presetElement.AttribStrings['Name'], presetElement);
presetElement := TDOMElement(presetElement.NextSibling);
end;
end else
begin
FRandomHuePresetsDoc := TXMLDocument.Create;
FRandomHuePresetsDoc.AppendChild(FRandomHuePresetsDoc.CreateElement('RandomHuePresets'));
end;
end;
procedure TfrmHueSettings.SaveRandomPresets;
begin
WriteXMLFile(FRandomHuePresetsDoc, FRandomHuePresetsFile);
end;
function TfrmHueSettings.GetHue: Word;
begin
if cbRandom.Checked and (lbRandom.Items.Count > 0) then
Result := PtrInt(lbRandom.Items.Objects[Random(lbRandom.Items.Count)])
else
Result := lbHue.ItemIndex;
end;
class procedure TfrmHueSettings.DrawHue(AHue: THue; ACanvas: TCanvas; ARect: TRect;
ACaption: string);
var
hueColor: TColor;
i: Integer;
begin
ACanvas.Pen.Color := clWhite;
ACanvas.Rectangle(ARect);
if AHue <> nil then
for i := 0 to 31 do
begin
hueColor := ARGB2RGB(AHue.ColorTable[i]);
ACanvas.Pen.Color := hueColor;
ACanvas.MoveTo(ARect.Left + 2 + i, ARect.Top + 1);
ACanvas.LineTo(ARect.Left + 2 + i, ARect.Bottom - 1);
end;
ACanvas.TextOut(ARect.Left + 36, ARect.Top + 1, ACaption);
end;
initialization
{$I UfrmHueSettings.lrs}
end.