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| Rev | Author | Line No. | Line |
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| 1 | daniel-mar | 1 | unit Choice; |
| 2 | |||
| 3 | interface |
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| 4 | |||
| 5 | uses |
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| 6 | Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, |
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| 7 | daniel-mar | 7 | Dialogs, StdCtrls, ImgList, ComCtrls, Menus, ExtCtrls, System.ImageList; |
| 1 | daniel-mar | 8 | |
| 9 | type |
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| 10 | TLevelChoice = class(TForm) |
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| 11 | PlayBtn: TButton; |
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| 12 | CancelBtn: TButton; |
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| 13 | LevelImageList: TImageList; |
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| 14 | LevelPopupMenu: TPopupMenu; |
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| 15 | PLoadLevel: TMenuItem; |
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| 16 | PRefreshList: TMenuItem; |
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| 17 | PreviewGrp: TGroupBox; |
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| 18 | PreviewImage: TImage; |
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| 19 | LevelGrp: TGroupBox; |
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| 20 | LevelList: TListView; |
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| 21 | procedure PlayBtnClick(Sender: TObject); |
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| 22 | procedure CancelBtnClick(Sender: TObject); |
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| 23 | procedure FormShow(Sender: TObject); |
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| 24 | procedure LevelListClick(Sender: TObject); |
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| 25 | procedure LevelListChange(Sender: TObject; Item: TListItem; |
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| 26 | Change: TItemChange); |
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| 27 | procedure PRefreshListClick(Sender: TObject); |
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| 28 | procedure FormResize(Sender: TObject); |
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| 29 | procedure FormCreate(Sender: TObject); |
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| 30 | private |
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| 31 | procedure RefreshList; |
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| 32 | public |
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| 33 | function SelectedLevel: string; |
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| 34 | end; |
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| 35 | |||
| 36 | var |
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| 37 | LevelChoice: TLevelChoice; |
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| 38 | |||
| 39 | implementation |
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| 40 | |||
| 41 | {$R *.dfm} |
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| 42 | |||
| 43 | uses |
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| 44 | Functions, LevelFunctions, Constants; |
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| 45 | |||
| 46 | function TLevelChoice.SelectedLevel: string; |
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| 47 | begin |
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| 48 | result := Format(LVL_FILE, [LevelList.Selected.Caption]); |
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| 49 | end; |
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| 50 | |||
| 51 | procedure TLevelChoice.PlayBtnClick(Sender: TObject); |
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| 52 | var |
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| 53 | LevelString: string; |
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| 54 | begin |
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| 55 | if Assigned(LevelList.Selected) then |
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| 56 | begin |
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| 57 | if LevelList.Selected.ImageIndex = 2 then |
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| 58 | begin |
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| 59 | LevelString := Functions.ReadFile(Format(LVL_FILE, [LevelList.Selected.Caption])); |
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| 60 | // leNone könnte auftreten, wenn das Level z.B. repariert wurde... |
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| 61 | if CheckLevelIntegrity(LevelString, true) <> leNone then |
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| 62 | begin |
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| 63 | exit; |
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| 64 | end; |
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| 65 | end; |
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| 66 | ModalResult := mrOk; |
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| 67 | end; |
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| 68 | end; |
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| 69 | |||
| 70 | procedure TLevelChoice.CancelBtnClick(Sender: TObject); |
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| 71 | begin |
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| 72 | ModalResult := mrCancel; |
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| 73 | end; |
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| 74 | |||
| 75 | procedure TLevelChoice.FormShow(Sender: TObject); |
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| 76 | begin |
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| 77 | RefreshList; |
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| 78 | end; |
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| 79 | |||
| 80 | procedure TLevelChoice.LevelListClick(Sender: TObject); |
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| 81 | var |
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| 82 | LevelFile, LevelString: string; |
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| 83 | begin |
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| 84 | PlayBtn.Enabled := Assigned(LevelList.Selected); |
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| 85 | PLoadLevel.Enabled := Assigned(LevelList.Selected); |
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| 86 | |||
| 87 | if Assigned(LevelList.Selected) then |
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| 88 | begin |
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| 89 | LevelFile := Format(LVL_FILE, [LevelList.Selected.Caption]); |
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| 90 | LevelString := Functions.ReadFile(LevelFile); |
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| 91 | DrawLevelPreview(LevelString, PreviewImage, Color); |
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| 92 | end |
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| 93 | else |
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| 94 | begin |
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| 95 | ClearImage(PreviewImage, Color); |
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| 96 | end; |
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| 97 | end; |
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| 98 | |||
| 99 | procedure TLevelChoice.LevelListChange(Sender: TObject; Item: TListItem; |
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| 100 | Change: TItemChange); |
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| 101 | begin |
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| 102 | if Change = ctState then LevelListClick(self); |
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| 103 | end; |
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| 104 | |||
| 105 | procedure TLevelChoice.PRefreshListClick(Sender: TObject); |
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| 106 | begin |
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| 107 | RefreshList; |
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| 108 | end; |
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| 109 | |||
| 110 | procedure TLevelChoice.RefreshList; |
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| 111 | var |
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| 112 | s: TSearchRec; |
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| 113 | LevelString: string; |
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| 114 | begin |
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| 115 | LevelList.Clear; |
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| 116 | |||
| 117 | // Levels auflisten |
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| 118 | if FindFirst(Format(LVL_FILE, ['*']), faAnyFile, s) = 0 then |
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| 119 | begin |
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| 120 | repeat |
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| 121 | with LevelList.Items.Add do |
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| 122 | begin |
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| 123 | Caption := Copy(s.Name, 1, Length(s.Name)-Length(LVL_EXT)); |
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| 124 | LevelString := Functions.ReadFile(LVL_PATH + s.Name); |
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| 125 | case GetLevelType(LevelString) of |
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| 126 | ltStandard: ImageIndex := 0; |
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| 127 | ltDiagonal: ImageIndex := 1; |
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| 128 | ltError: ImageIndex := 2; |
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| 129 | end; |
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| 130 | end; |
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| 131 | until FindNext(s) <> 0; |
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| 132 | FindClose(s); |
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| 133 | end; |
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| 134 | end; |
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| 135 | |||
| 136 | procedure TLevelChoice.FormResize(Sender: TObject); |
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| 137 | var |
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| 138 | p: integer; |
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| 139 | begin |
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| 140 | // WIDTH |
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| 141 | p := ClientWidth - 3*LevelGrp.Left; // 100% useable |
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| 142 | LevelGrp.Width := Round((1-MET_PREVIEW_SIZE_RATIO) * p); |
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| 143 | PreviewGrp.Width := Round(MET_PREVIEW_SIZE_RATIO * p); |
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| 144 | PreviewGrp.Left := 2*LevelGrp.Left + LevelGrp.Width; |
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| 145 | LevelList.Width := LevelGrp.Width - 2*LevelList.Left; |
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| 146 | PreviewImage.Width := PreviewGrp.Width - 2*PreviewImage.Left; |
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| 147 | PlayBtn.Left := (LevelGrp.Left + LevelGrp.Width) - PlayBtn.Width; |
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| 148 | |||
| 149 | // HEIGHT |
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| 150 | LevelGrp.Height := ClientHeight - 3*LevelGrp.Top - PlayBtn.Height; |
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| 151 | PreviewGrp.Height := LevelGrp.Height; |
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| 152 | PlayBtn.Top := 2*LevelGrp.Top + LevelGrp.Height; |
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| 153 | CancelBtn.Top := PlayBtn.Top; |
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| 154 | LevelList.Height := LevelGrp.Height - 2*LevelList.Top; |
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| 155 | PreviewImage.Height := PreviewGrp.Height - 2*PreviewImage.Top; |
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| 156 | |||
| 157 | // TODO: Icons rearrangieren |
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| 158 | end; |
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| 159 | |||
| 160 | procedure TLevelChoice.FormCreate(Sender: TObject); |
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| 161 | begin |
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| 162 | if not ForceDirectories(ExtractFilePath(Application.ExeName) + LVL_PATH) then |
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| 163 | begin |
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| 9 | daniel-mar | 164 | MessageDlg(Format(LNG_COULD_NOT_CREATE_DIR, [LVL_PATH]), mtError, [mbOK], 0); |
| 1 | daniel-mar | 165 | end; |
| 166 | end; |
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| 167 | |||
| 168 | end. |