| [18] | 1 | Unit FileDialogForm;
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| 2 |
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| 3 | // NewView - a new OS/2 Help Viewer
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| 4 | // Copyright 2003 Aaron Lawrence (aaronl at consultant dot com)
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| 5 | // This software is released under the Gnu Public License - see readme.txt
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| 6 |
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| 7 | Interface
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| 8 |
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| 9 | // This form is a generic, sizeable file dialog. I never
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| 10 | // got round to making it a seperate thing. Better would be
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| 11 | // to enhance the one in SPCC.
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| 12 |
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| 13 | Uses
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| [32] | 14 | Classes,
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| 15 | Forms,
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| 16 | StdCtrls,
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| 17 | Buttons,
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| 18 | Messages,
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| 19 | CustomFileControls,
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| 20 | SplitBar,
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| 21 | MultiColumnListBox,
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| [18] | 22 | ACLLanguageUnit;
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| 23 |
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| 24 | // Note: filters have the form:
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| 25 | // <Description 1>|<filename mask 1>|<Description 2>|<filename mask 2>...
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| 26 |
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| 27 | function DoSaveFileDialog( const Caption: string;
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| 28 | const Filters: string;
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| 29 | const DefaultFilename: string;
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| 30 | var Directory: string;
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| 31 | var Filename: string ): boolean;
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| 32 |
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| 33 | function DoOpenFileDialog( const Caption: string;
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| 34 | const Filters: string;
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| 35 | const DefaultFilename: string;
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| 36 | var Directory: string;
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| 37 | var Filename: string ): boolean;
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| 38 |
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| 39 | function DoOpenMultiFileDialog( const Caption: string;
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| 40 | const Filters: string;
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| 41 | const DefaultFilename: string;
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| 42 | Var Directory: string;
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| 43 | Var KeepCurrent: boolean;
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| 44 | Filenames: TStrings ): boolean;
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| 45 |
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| 46 | Const
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| 47 | WM_CHECKFOCUS = WM_USER + 103;
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| 48 |
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| 49 | Type
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| 50 | TFileDialogForm = Class (TForm)
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| 51 | FilenameEdit: TEdit;
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| 52 | FileNameLabel: TLabel;
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| 53 | KeepCurrentCheckBox: TCheckBox;
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| 54 | CompletionsListBox: TListBox;
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| 55 | FilesLabel: TLabel;
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| 56 | FilterLabel: TLabel;
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| 57 | DrivesLabel: TLabel;
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| 58 | DirectoriesLabel: TLabel;
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| 59 | DirectoryListBox: TCustomDirectoryListBox;
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| 60 | DriveComboBox: TCustomDriveComboBox;
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| 61 | HelpButton: TButton;
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| 62 | FileListBox: TMultiColumnListBox;
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| 63 | FilterComboBox: TCustomFilterComboBox;
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| 64 | OKButton: TButton;
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| 65 | CancelButton: TButton;
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| 66 | SplitBar: TSplitBar;
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| 67 | Procedure FileDialogFormOnSetupShow (Sender: TObject);
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| 68 | Procedure FilterComboBoxOnChange (Sender: TObject);
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| 69 | Procedure DirectoryListBoxOnChange (Sender: TObject);
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| 70 | Procedure CancelButtonOnEnter (Sender: TObject);
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| 71 | Procedure OKButtonOnEnter (Sender: TObject);
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| 72 | Procedure FilterComboBoxOnEnter (Sender: TObject);
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| 73 | Procedure FileListBoxOnEnter (Sender: TObject);
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| 74 | Procedure DirectoryListBoxOnEnter (Sender: TObject);
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| 75 | Procedure DriveComboBoxOnEnter (Sender: TObject);
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| 76 | Procedure CompletionsListBoxOnExit (Sender: TObject);
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| 77 | Procedure FilenameEditOnChange (Sender: TObject);
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| 78 | Procedure FilenameEditOnExit (Sender: TObject);
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| 79 | Procedure FilenameEditOnScan (Sender: TObject; Var KeyCode: TKeyCode);
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| 80 | Procedure CompletionsListBoxOnScan (Sender: TObject;
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| 81 | Var KeyCode: TKeyCode);
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| 82 | Procedure FileListBoxOnItemSelect (Sender: TObject; Index: LongInt);
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| 83 | Procedure FileDialogFormOnDismissDlg (Sender: TObject);
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| 84 | Procedure FileDialogFormOnResize (Sender: TObject);
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| 85 | Procedure SplitBarOnChange (NewSplit: LongInt);
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| 86 | Procedure FileListBoxOnDblClick (Sender: TObject);
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| 87 | Procedure FileDialogFormOnShow (Sender: TObject);
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| 88 | Procedure FileDialogFormOnDestroy (Sender: TObject);
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| 89 | Procedure FileListBoxOnItemFocus (Sender: TObject; Index: LongInt);
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| 90 | Procedure OKButtonOnClick (Sender: TObject);
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| 91 | Procedure FileDialogFormOnCreate (Sender: TObject);
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| 92 | Protected
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| 93 |
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| 94 | Split: real;
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| 95 | Filenames: TStringList;
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| 96 | RequireFileExists: boolean;
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| 97 | DefaultFilename: string;
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| 98 | FocussingFile: boolean;
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| 99 | FileMask: string;
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| 100 | Procedure LayoutControls;
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| 101 | Procedure ShowCompletions;
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| 102 | Procedure ReadFiles;
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| 103 |
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| 104 | Protected
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| 105 | Procedure OnLanguageEvent( Language: TLanguageFile;
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| 106 | const Apply: boolean );
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| 107 | InvalidFilterErrorTitle: string;
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| 108 | InvalidFilterError: string;
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| 109 | FileNotFoundErrorTitle: string;
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| 110 | FileNotFoundError: string;
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| 111 | MultiSelectErrorTitle: string;
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| 112 | MultiSelectError: string;
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| 113 |
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| 114 | Public
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| 115 | Procedure WMCheckFocus( Var Msg: TMessage ); message WM_CHECKFOCUS;
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| 116 | End;
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| 117 |
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| 118 | Implementation
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| 119 |
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| 120 | uses
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| [32] | 121 | BseDos,
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| 122 | OS2Def,
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| 123 | PmWin,
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| 124 | SysUtils,
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| [82] | 125 | FileUtilsUnit,
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| [32] | 126 | ACLDialogs,
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| 127 | ACLString,
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| 128 | AStringUtilityUnit,
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| 129 | ControlsUtility,
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| [18] | 130 | SettingsUnit,
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| [94] | 131 | HelpFile,
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| [105] | 132 | StringUtilsUnit,
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| [94] | 133 | DebugUnit;
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| [18] | 134 |
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| 135 | Imports
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| 136 | // Redeclared since the Sibyl declaration passes text as a cstring :(
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| 137 | Function _WinSetWindowText( ahwnd: HWND;
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| 138 | pszText: pchar ): BOOL;
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| 139 | APIENTRY;
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| 140 | 'PMWIN' index 877;
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| 141 |
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| 142 | Function _WinQueryWindowText( ahwnd: HWND;
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| 143 | cchBufferMax: LONG;
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| 144 | pchBuffer: pchar ): LONG;
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| 145 | APIENTRY;
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| 146 | 'PMWIN' index 841;
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| 147 |
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| 148 | end;
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| 149 |
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| 150 | Procedure TFileDialogForm.FileDialogFormOnSetupShow (Sender: TObject);
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| 151 | Begin
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| [472] | 152 | ScaleForm( self, 8, 16 );
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| [18] | 153 |
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| [465] | 154 | // ScaleForm seems to misposition the combo-boxes, so we fix that here
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| 155 | DriveComboBox.Bottom := DrivesLabel.Bottom - DriveComboBox.Height;
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| 156 | FilterComboBox.Bottom := FilterLabel.Bottom - FilterComboBox.Height;
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| 157 |
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| [18] | 158 | FileNameEdit.YAlign := yaTop;
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| 159 | FileNameEdit.xStretch := xsFrame;
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| 160 | FileNameLabel.YAlign := yaTop;
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| 161 |
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| 162 | CompletionsListBox.YAlign := yaTop;
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| 163 | CompletionsListBox.xStretch := xsFrame;
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| 164 |
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| 165 | FilterComboBox.YAlign := yaTop;
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| 166 | FilterLabel.YAlign := yaTop;
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| 167 | DriveComboBox.YAlign := yaTop;
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| 168 | DrivesLabel.YAlign := yaTop;
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| [465] | 169 |
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| [18] | 170 | DirectoryListBox.YStretch := ysFrame;
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| 171 | DirectoriesLabel.YAlign := yaTop;
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| 172 | FileListBox.yStretch := ysFrame;
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| 173 | FilesLabel.YAlign := yaTop;
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| 174 | FileNames := TStringList.Create;
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| 175 | SplitBar.YStretch := ysFrame;
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| 176 |
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| 177 | LayoutControls;
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| [465] | 178 | FileListBox.SetColumnWidth( 0, Canvas.TextWidth('A_Suitably_Long_FileName.EXT'));
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| 179 |
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| [18] | 180 | End;
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| 181 |
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| 182 | Procedure TFileDialogForm.FilterComboBoxOnChange (Sender: TObject);
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| 183 | Begin
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| 184 | FileMask := FilterComboBox.Mask;
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| 185 | FileNameEdit.Text := FileMask;
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| 186 | ReadFiles;
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| 187 | End;
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| 188 |
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| 189 | Procedure TFileDialogForm.DirectoryListBoxOnChange (Sender: TObject);
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| 190 | Begin
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| 191 | ReadFiles;
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| 192 | End;
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| 193 |
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| 194 | Procedure TFileDialogForm.CancelButtonOnEnter (Sender: TObject);
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| 195 | Begin
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| 196 | CompletionsListBox.Hide;
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| 197 | End;
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| 198 |
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| 199 | Procedure TFileDialogForm.OKButtonOnEnter (Sender: TObject);
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| 200 | Begin
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| 201 | CompletionsListBox.Hide;
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| 202 | End;
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| 203 |
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| 204 | Procedure TFileDialogForm.FilterComboBoxOnEnter (Sender: TObject);
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| 205 | Begin
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| 206 | CompletionsListBox.Hide;
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| 207 | End;
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| 208 |
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| 209 | Procedure TFileDialogForm.FileListBoxOnEnter (Sender: TObject);
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| 210 | Begin
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| 211 | CompletionsListBox.Hide;
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| 212 | End;
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| 213 |
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| 214 | Procedure TFileDialogForm.DirectoryListBoxOnEnter (Sender: TObject);
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| 215 | Begin
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| 216 | CompletionsListBox.Hide;
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| 217 | End;
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| 218 |
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| 219 | Procedure TFileDialogForm.DriveComboBoxOnEnter (Sender: TObject);
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| 220 | Begin
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| 221 | CompletionsListBox.Hide;
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| 222 | End;
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| 223 |
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| 224 | Procedure TFileDialogForm.CompletionsListBoxOnExit (Sender: TObject);
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| 225 | Begin
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| 226 | End;
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| 227 |
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| 228 | Procedure TFileDialogForm.FilenameEditOnChange (Sender: TObject);
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| 229 | Begin
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| 230 | if FocussingFile then
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| 231 | exit;
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| 232 | ShowCompletions;
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| 233 | End;
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| 234 |
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| 235 | Procedure TFileDialogForm.FilenameEditOnExit (Sender: TObject);
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| 236 | Begin
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| 237 | End;
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| 238 |
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| 239 | Procedure TFileDialogForm.WMCheckFocus( Var Msg: TMessage );
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| 240 | begin
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| 241 | end;
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| 242 |
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| 243 | Procedure TFileDialogForm.FilenameEditOnScan (Sender: TObject;
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| 244 | Var KeyCode: TKeyCode);
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| 245 | Begin
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| 246 | if KeyCode = kbCDown then
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| 247 | begin
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| 248 | if CompletionsListBox.Visible then
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| 249 | begin
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| 250 | CompletionsListBox.ItemIndex := 0;
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| 251 | CompletionsListBox.Focus;
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| 252 | KeyCode := kbNull;
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| 253 | end;
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| 254 | end
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| 255 | else if KeyCode = kbTab then
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| 256 | begin
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| 257 | DriveComboBox.Focus;
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| 258 | end
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| 259 | else
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| 260 | begin
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| 261 | ShowCompletions;
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| 262 | end;
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| 263 | End;
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| 264 |
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| 265 | Procedure TFileDialogForm.CompletionsListBoxOnScan (Sender: TObject;
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| 266 | Var KeyCode: TKeyCode);
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| 267 | Begin
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| 268 | if KeyCode = kbCR then
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| 269 | begin
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| 270 | if CompletionsListBox.ItemIndex <> -1 then
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| 271 | begin
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| 272 | FilenameEdit.Text := CompletionsListBox.Items[ CompletionsListBox.ItemIndex ];
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| 273 | FilenameEdit.Focus;
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| 274 | ShowCompletions;
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| 275 | KeyCode := kbNull; // eat the keystroke
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| 276 | end;
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| 277 | end
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| 278 | else if KeyCode = kbCUp then
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| 279 | begin
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| 280 | if CompletionsListBox.ItemIndex = 0 then
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| 281 | begin
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| 282 | CompletionsListBox.ItemIndex := -1;
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| 283 | FilenameEdit.Focus;
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| 284 | KeyCode := kbNull;
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| 285 | end;
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| 286 | end;
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| 287 | End;
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| 288 |
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| 289 | Procedure TFileDialogForm.ShowCompletions;
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| 290 | var
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| 291 | i: integer;
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| 292 | search: string;
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| 293 | filename: string;
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| 294 | ShowList: boolean;
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| [105] | 295 | tmpNameAndTitle: string;
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| [18] | 296 | Begin
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| 297 | CompletionsListBox.Items.Clear;
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| 298 | search := FilenameEdit.Text;
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| 299 |
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| 300 | if Search <> '' then
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| 301 | begin
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| 302 | for i := 0 to FileListBox.Items.Count - 1 do
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| 303 | begin
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| [105] | 304 | tmpNameAndTitle := FileListBox.Items[ i ];
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| 305 | Filename := StrLeftUntil(tmpNameAndTitle, [StrTAB]);
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| [18] | 306 |
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| [105] | 307 | if StrStartsWithIgnoringCase(filename, search) then
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| [18] | 308 | CompletionsListBox.Items.Add( filename );
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| 309 | end;
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| 310 | end;
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| 311 |
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| 312 | ShowList := false;
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| 313 | if CompletionsListBox.Items.Count = 1 then
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| 314 | begin
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| [105] | 315 | if not StrEqualIgnoringCase(CompletionsListBox.Items[0], search) then
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| [18] | 316 | ShowList := true;
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| 317 | end
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| 318 | else if CompletionsListBox.Items.Count > 0 then
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| 319 | begin
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| 320 | ShowList := true;
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| 321 | end;
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| 322 |
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| 323 | if ShowList then
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| 324 | begin
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| 325 | CompletionsListBox.BringToFront;
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| 326 | CompletionsListBox.Height := ( CompletionsListBox.Items.Count + 1 )
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| 327 | * CompletionsListBox.ItemHeight
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| 328 | + 6;
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| 329 | CompletionsListBox.Bottom := FilenameEdit.Bottom
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| 330 | - CompletionsListBox.Height;
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| 331 | end;
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| 332 |
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| 333 | CompletionsListBox.Visible := ShowList;
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| 334 |
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| 335 | End;
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| 336 |
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| 337 | Procedure TFileDialogForm.FileListBoxOnItemSelect (Sender: TObject;
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| 338 | Index: LongInt);
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| 339 | Begin
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| 340 | OKButton.Click;
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| 341 | End;
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| 342 |
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| 343 | Procedure TFileDialogForm.FileDialogFormOnDismissDlg (Sender: TObject);
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| 344 | Begin
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| 345 | WriteWindowPos( self );
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| 346 | Settings.FileDialogSplit := Split;
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| 347 | End;
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| 348 |
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| 349 | Procedure TFileDialogForm.FileDialogFormOnResize (Sender: TObject);
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| 350 | Begin
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| 351 | LayoutControls;
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| 352 | End;
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| 353 |
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| 354 | Procedure TFileDialogForm.SplitBarOnChange (NewSplit: LongInt);
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| 355 | Begin
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| 356 | Split := NewSplit / ClientWidth;
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| 357 |
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| 358 | if Split < 0.2 then
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| 359 | Split := 0.2;
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| 360 | if Split > 0.8 then
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| 361 | Split := 0.8;
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| 362 |
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| 363 | LayoutControls;
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| 364 | End;
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| 365 |
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| 366 | Procedure TFileDialogForm.LayoutControls;
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| 367 | var
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| 368 | SplitX: longint;
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| 369 | LeftPaneWidth: longint;
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| 370 | RightPaneWidth: longint;
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| 371 | RightPaneX: longint;
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| 372 | begin
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| 373 | SplitX := round( ClientWidth * Split );
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| 374 | LeftPaneWidth := SplitX - 8; // note we are not including borders here
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| [465] | 375 | RightPaneWidth := ClientWidth - SplitX - 9;
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| 376 | RightPaneX := SplitX + 4;
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| [18] | 377 |
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| 378 | DrivesLabel.Width := LeftPaneWidth;
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| 379 | DriveComboBox.Width := LeftPaneWidth;
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| 380 |
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| 381 | DirectoriesLabel.Width := LeftPaneWidth;
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| 382 | DirectoryListBox.Width := LeftPaneWidth;
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| 383 |
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| 384 | FilesLabel.Left := RightPaneX;
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| 385 | FilesLabel.Width := RightPaneWidth;
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| 386 | FileListBox.Left := RightPaneX;
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| 387 | FileListBox.Width := RightPaneWidth;
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| 388 |
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| 389 | FilterLabel.Left := RightPaneX;
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| 390 | FilterLabel.Width := RightPaneWidth;
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| 391 | FilterComboBox.Left := RightPaneX;
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| 392 | FilterComboBox.Width := RightPaneWidth;
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| 393 |
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| 394 | SplitBar.Left := SplitX - 3;
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| 395 | end;
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| 396 |
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| 397 | Procedure TFileDialogForm.FileListBoxOnDblClick (Sender: TObject);
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| 398 | Begin
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| 399 | OKButton.Click;
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| 400 | End;
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| 401 |
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| 402 | Procedure TFileDialogForm.FileDialogFormOnShow (Sender: TObject);
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| 403 | Begin
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| 404 | Split := Settings.FileDialogSplit;
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| 405 |
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| 406 | ReadWindowPos( self );
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| 407 |
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| 408 | OKButton.Default := true;
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| 409 |
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| 410 | // get some more space in the edit field
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| 411 | SendMsg( FilenameEdit.Handle,
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| 412 | EM_SETTEXTLIMIT,
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| 413 | 1024,
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| 414 | 0 );
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| 415 |
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| 416 | FilenameEdit.Text := DefaultFilename;
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| 417 | FilenameEdit.Focus;
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| 418 |
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| 419 | // re-read files
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| 420 | ReadFiles;
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| 421 |
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| 422 | ShowCompletions;
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| 423 |
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| 424 | KeepCurrentCheckBox.Checked := false;
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| 425 | End;
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| 426 |
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| 427 | Procedure TFileDialogForm.FileDialogFormOnDestroy (Sender: TObject);
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| 428 | Begin
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| 429 | FileNames.Destroy;
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| 430 | End;
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| 431 |
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| 432 | Procedure TFileDialogForm.FileListBoxOnItemFocus (Sender: TObject;
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| 433 | Index: LongInt);
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| 434 | var
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| 435 | FileIndex: longint;
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| 436 | NameAndTitle: string;
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| 437 | FilenamesString: TAString;
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| 438 | Begin
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| 439 | FileNames.Clear;
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| 440 | for FileIndex := 0 to FileListBox.Items.Count - 1 do
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| 441 | begin
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| 442 | if FileListBox.Selected[ FileIndex ] then
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| 443 | begin
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| 444 | NameAndTitle := FileListBox.Items[ FileIndex ];
|
|---|
| [105] | 445 | FileNames.Add(StrLeftUntil(NameAndTitle, [StrTAB]));
|
|---|
| [18] | 446 | end;
|
|---|
| 447 | end;
|
|---|
| 448 | FocussingFile := true;
|
|---|
| 449 | FilenamesString := TAString.Create;
|
|---|
| 450 | ListToAString( Filenames, FilenamesString, '+' );
|
|---|
| 451 | _WinSetWindowText( FileNameEdit.Handle,
|
|---|
| 452 | FilenamesString.AsPChar );
|
|---|
| 453 | FilenamesString.Destroy;
|
|---|
| 454 | FocussingFile := false;
|
|---|
| 455 | End;
|
|---|
| 456 |
|
|---|
| 457 | Procedure TFileDialogForm.OKButtonOnClick (Sender: TObject);
|
|---|
| 458 | var
|
|---|
| 459 | FileNameText: string;
|
|---|
| 460 | FileName: string;
|
|---|
| 461 | Directory: string;
|
|---|
| 462 | NewDirectory: string;
|
|---|
| 463 | FilePath: string;
|
|---|
| 464 | FilenameString: TAString;
|
|---|
| 465 | i: longint;
|
|---|
| 466 | Begin
|
|---|
| 467 | FileNameText := trim( FileNameEdit.Text );
|
|---|
| 468 | if FileNameText = '' then
|
|---|
| 469 | exit;
|
|---|
| 470 |
|
|---|
| 471 | if ( Pos( '*', FileNameText ) > 0 )
|
|---|
| 472 | or ( Pos( '?', FileNameText ) > 0 ) then
|
|---|
| 473 | begin
|
|---|
| 474 | if ( Pos( '\', FileNameText ) > 0 )
|
|---|
| 475 | or ( Pos( ':', FileNameText ) > 0 )
|
|---|
| 476 | or ( Pos( '/', FileNameText ) > 0 )
|
|---|
| 477 | then
|
|---|
| 478 | begin
|
|---|
| 479 | DoErrorDlg( InvalidFilterErrorTitle,
|
|---|
| [105] | 480 | StrInDoubleQuotes(FileNameText)
|
|---|
| [18] | 481 | + InvalidFilterError
|
|---|
| [105] | 482 | + StrCRLF
|
|---|
| [18] | 483 | + ' \ / :' );
|
|---|
| 484 | exit;
|
|---|
| 485 | end;
|
|---|
| 486 |
|
|---|
| 487 | // Treat as a filter
|
|---|
| 488 | FileMask := FileNameText;
|
|---|
| 489 | ReadFiles;
|
|---|
| 490 |
|
|---|
| 491 | exit;
|
|---|
| 492 | end;
|
|---|
| 493 |
|
|---|
| 494 | // First, see if it's a directory to change to
|
|---|
| 495 | // (in order to support typing directories, either full or relative)
|
|---|
| 496 | Directory := DirectoryListBox.Directory;
|
|---|
| [82] | 497 | NewDirectory := ExpandPath( Directory, FileNameText );
|
|---|
| [18] | 498 |
|
|---|
| 499 | DosErrorAPI( FERR_DISABLEHARDERR );
|
|---|
| 500 |
|
|---|
| 501 | if DirectoryExists( NewDirectory ) then
|
|---|
| 502 | begin
|
|---|
| 503 | // Yes, the typed text is a directory, so change to it.
|
|---|
| 504 | DirectoryListBox.Directory:= NewDirectory;
|
|---|
| 505 | FileNameEdit.Text := '';
|
|---|
| 506 | DosErrorAPI( FERR_ENABLEHARDERR );
|
|---|
| 507 |
|
|---|
| 508 | exit;
|
|---|
| 509 | end;
|
|---|
| 510 |
|
|---|
| 511 | // No, the text entered is a filename or set of filenames
|
|---|
| 512 | // Break it up into individual filenames at '+' char
|
|---|
| 513 | // Check each file exists
|
|---|
| 514 |
|
|---|
| 515 | FilenameString := TAString.Create;
|
|---|
| 516 | FilenameString.Length := WinQueryWindowTextLength( FileNameEdit.Handle );
|
|---|
| 517 | _WinQueryWindowText( FileNameEdit.Handle,
|
|---|
| 518 | FilenameString.Length + 1, // allow zero term
|
|---|
| 519 | FilenameString.AsPChar );
|
|---|
| 520 |
|
|---|
| 521 | FileNames.Clear;
|
|---|
| 522 |
|
|---|
| 523 | AStringToList( FilenameString, Filenames, '+' );
|
|---|
| 524 |
|
|---|
| 525 | for i := 0 to Filenames.Count - 1 do
|
|---|
| 526 | begin
|
|---|
| 527 | FileName := Filenames[ i ];
|
|---|
| 528 |
|
|---|
| 529 | // Work out directory
|
|---|
| 530 | FilePath := ExtractFilePath( FileName );
|
|---|
| [82] | 531 | FilePath := ExpandPath( Directory, FilePath );
|
|---|
| [18] | 532 |
|
|---|
| [82] | 533 | FileName := AddDirectorySeparator( FilePath )
|
|---|
| [18] | 534 | + ExtractFileName( FileName );
|
|---|
| 535 | if RequireFileExists then
|
|---|
| 536 | begin
|
|---|
| 537 | if not FileExists( FileName ) then
|
|---|
| 538 | begin
|
|---|
| 539 | DoErrorDlg( FileNotFoundErrorTitle,
|
|---|
| 540 | FileNotFoundError + Filename );
|
|---|
| 541 | DosErrorAPI( FERR_ENABLEHARDERR );
|
|---|
| 542 | FilenameString.Destroy;
|
|---|
| 543 | exit;
|
|---|
| 544 | end;
|
|---|
| 545 | end;
|
|---|
| 546 | FileNames[ i ] := FileName;
|
|---|
| 547 | end;
|
|---|
| 548 |
|
|---|
| 549 | FilenameString.Destroy;
|
|---|
| 550 |
|
|---|
| 551 | DosErrorAPI( FERR_ENABLEHARDERR );
|
|---|
| 552 |
|
|---|
| 553 | if not FilelistBox.MultiSelect then
|
|---|
| 554 | begin
|
|---|
| 555 | if FileNames.Count > 1 then
|
|---|
| 556 | begin
|
|---|
| 557 | DoErrorDlg( MultiSelectErrorTitle,
|
|---|
| 558 | MultiSelectError );
|
|---|
| 559 | exit;
|
|---|
| 560 | end;
|
|---|
| 561 | end;
|
|---|
| 562 | // Done
|
|---|
| 563 | DismissDlg( mrOK );
|
|---|
| 564 | End;
|
|---|
| 565 |
|
|---|
| 566 | Procedure TFileDialogForm.OnLanguageEvent( Language: TLanguageFile;
|
|---|
| 567 | const Apply: boolean );
|
|---|
| 568 | begin
|
|---|
| [94] | 569 | LogEvent(LogI18n, 'TFileDialogForm.OnLanguageEvent apply: "' + BoolToStr(Apply) + '"');
|
|---|
| [18] | 570 | Language.LoadComponentLanguage( self, Apply );
|
|---|
| 571 |
|
|---|
| 572 | Language.LL( Apply, InvalidFilterErrorTitle, 'InvalidFilterErrorTitle', 'File Filter Error' );
|
|---|
| 573 | Language.LL( Apply,
|
|---|
| 574 | InvalidFilterError,
|
|---|
| 575 | 'InvalidFilterError',
|
|---|
| 576 | ' is not a valid filename filter. '
|
|---|
| 577 | + 'You cannot use any of these characters: ' );
|
|---|
| 578 | Language.LL( Apply, FileNotFoundErrorTitle, 'FileNotFoundErrorTitle', 'File Not Found' );
|
|---|
| 579 | Language.LL( Apply, FileNotFoundError, 'FileNotFoundError', 'File does not exist:' );
|
|---|
| 580 | Language.LL( Apply, MultiSelectErrorTitle, 'MultiSelectErrorTitle', 'Multi-Select' );
|
|---|
| 581 | Language.LL( Apply, MultiSelectError, 'MultiSelectError', 'You can only select one file' );
|
|---|
| 582 | end;
|
|---|
| 583 |
|
|---|
| 584 | Procedure TFileDialogForm.FileDialogFormOnCreate (Sender: TObject);
|
|---|
| 585 | Begin
|
|---|
| 586 | RegisterForLanguages( OnLanguageEvent );
|
|---|
| 587 |
|
|---|
| 588 | FileMask := '*.*';
|
|---|
| 589 | End;
|
|---|
| 590 |
|
|---|
| 591 | Procedure TFileDialogForm.ReadFiles;
|
|---|
| 592 | var
|
|---|
| 593 | Filenames: TStringList;
|
|---|
| 594 | i: longint;
|
|---|
| 595 |
|
|---|
| 596 | Filename: string;
|
|---|
| 597 | Title: string;
|
|---|
| 598 | begin
|
|---|
| 599 | Filenames := TStringList.Create;
|
|---|
| 600 |
|
|---|
| 601 | DosErrorAPI( FERR_DISABLEHARDERR );
|
|---|
| 602 |
|
|---|
| [82] | 603 | ListFilesInDirectory( DirectoryListBox.Directory,
|
|---|
| 604 | FileMask,
|
|---|
| [97] | 605 | false,
|
|---|
| [82] | 606 | Filenames);
|
|---|
| [18] | 607 |
|
|---|
| 608 | Filenames.Sort;
|
|---|
| 609 |
|
|---|
| 610 | FileListBox.Items.BeginUpdate;
|
|---|
| 611 | FileListBox.Items.Clear;
|
|---|
| 612 |
|
|---|
| 613 | for i := 0 to Filenames.Count - 1 do
|
|---|
| 614 | begin
|
|---|
| 615 | Filename := Filenames[ i ];
|
|---|
| 616 |
|
|---|
| [82] | 617 | Title := GetHelpFileTitle( AddDirectorySeparator( DirectoryListBox.Directory )
|
|---|
| [18] | 618 | + Filename );
|
|---|
| 619 |
|
|---|
| [105] | 620 | FileListBox.Items.Add(Filename + StrTAB + Title );
|
|---|
| [18] | 621 | end;
|
|---|
| 622 | FileListBox.Items.EndUpdate;
|
|---|
| 623 |
|
|---|
| 624 | DosErrorAPI( FERR_ENABLEHARDERR );
|
|---|
| 625 |
|
|---|
| 626 | Filenames.Destroy;
|
|---|
| 627 | end;
|
|---|
| 628 |
|
|---|
| 629 | // ----------------------------------------------------------------------
|
|---|
| 630 |
|
|---|
| 631 | Var
|
|---|
| 632 | FileDialogForm: TFileDialogForm;
|
|---|
| 633 |
|
|---|
| 634 | procedure EnsureFileDialogFormLoaded;
|
|---|
| 635 | begin
|
|---|
| 636 | if FileDialogForm = nil then
|
|---|
| 637 | FileDialogForm := TFileDialogForm.Create( nil );
|
|---|
| 638 | end;
|
|---|
| 639 |
|
|---|
| 640 | function DoSaveFileDialog( const Caption: string;
|
|---|
| 641 | const Filters: string;
|
|---|
| 642 | const DefaultFilename: string;
|
|---|
| 643 | Var Directory: string;
|
|---|
| 644 | Var Filename: string ): boolean;
|
|---|
| 645 | begin
|
|---|
| 646 | EnsureFileDialogFormLoaded;
|
|---|
| 647 |
|
|---|
| 648 | FileDialogForm.Caption := Caption;
|
|---|
| 649 | FileDialogForm.FilelistBox.MultiSelect := false;
|
|---|
| 650 | FileDialogForm.RequireFileExists := false;
|
|---|
| 651 | FileDialogForm.FilterComboBox.Filter := Filters;
|
|---|
| 652 | FileDialogForm.DirectoryListBox.Directory := Directory;
|
|---|
| 653 | FileDialogForm.DefaultFilename := DefaultFilename;
|
|---|
| 654 | FileDialogForm.KeepCurrentCheckBox.Visible := false;
|
|---|
| 655 |
|
|---|
| 656 | Result := FileDialogForm.ShowModal = mrOK;
|
|---|
| 657 |
|
|---|
| 658 | if Result then
|
|---|
| 659 | begin
|
|---|
| 660 | Directory := FileDialogForm.DirectoryListBox.Directory;
|
|---|
| 661 | Filename := FileDialogForm.Filenames[ 0 ];
|
|---|
| 662 | end;
|
|---|
| 663 |
|
|---|
| 664 | end;
|
|---|
| 665 |
|
|---|
| 666 | function DoOpenFileDialog( const Caption: string;
|
|---|
| 667 | const Filters: string;
|
|---|
| 668 | const DefaultFilename: string;
|
|---|
| 669 | Var Directory: string;
|
|---|
| 670 | Var Filename: string ): boolean;
|
|---|
| 671 | begin
|
|---|
| 672 | EnsureFileDialogFormLoaded;
|
|---|
| 673 |
|
|---|
| 674 | FileDialogForm.Caption := Caption;
|
|---|
| 675 | FileDialogForm.FilelistBox.MultiSelect := false;
|
|---|
| 676 | FileDialogForm.RequireFileExists := true;
|
|---|
| 677 | FileDialogForm.FilterComboBox.Filter := Filters;
|
|---|
| 678 | FileDialogForm.DirectoryListBox.Directory := Directory;
|
|---|
| 679 | FileDialogForm.DefaultFilename := DefaultFilename;
|
|---|
| 680 | FileDialogForm.KeepCurrentCheckBox.Visible := false;
|
|---|
| 681 |
|
|---|
| 682 | Result := FileDialogForm.ShowModal = mrOK;
|
|---|
| 683 |
|
|---|
| 684 | if Result then
|
|---|
| 685 | begin
|
|---|
| 686 | Directory := FileDialogForm.DirectoryListBox.Directory;
|
|---|
| 687 | Filename := FileDialogForm.Filenames[ 0 ];
|
|---|
| 688 | end;
|
|---|
| 689 | end;
|
|---|
| 690 |
|
|---|
| 691 | function DoOpenMultiFileDialog( const Caption: string;
|
|---|
| 692 | const Filters: string;
|
|---|
| 693 | const DefaultFilename: string;
|
|---|
| 694 | Var Directory: string;
|
|---|
| 695 | Var KeepCurrent: boolean;
|
|---|
| 696 | Filenames: TStrings ): boolean;
|
|---|
| 697 | begin
|
|---|
| 698 | EnsureFileDialogFormLoaded;
|
|---|
| 699 |
|
|---|
| 700 | FileDialogForm.Caption := Caption;
|
|---|
| 701 | FileDialogForm.FilelistBox.MultiSelect := true;
|
|---|
| 702 | FileDialogForm.RequireFileExists := true;
|
|---|
| 703 | FileDialogForm.FilterComboBox.Filter := Filters;
|
|---|
| 704 | FileDialogForm.DirectoryListBox.Directory := Directory;
|
|---|
| 705 | FileDialogForm.DefaultFilename := DefaultFilename;
|
|---|
| 706 |
|
|---|
| 707 | FileDialogForm.KeepCurrentCheckBox.Checked := KeepCurrent;
|
|---|
| 708 | FileDialogForm.KeepCurrentCheckBox.Visible := true;
|
|---|
| 709 |
|
|---|
| 710 | Result := FileDialogForm.ShowModal = mrOK;
|
|---|
| 711 |
|
|---|
| 712 | if Result then
|
|---|
| 713 | begin
|
|---|
| 714 | Directory := FileDialogForm.DirectoryListBox.Directory;
|
|---|
| 715 | Filenames.Assign( FileDialogForm.Filenames );
|
|---|
| 716 | KeepCurrent := FileDialogForm.KeepCurrentCheckBox.Checked;
|
|---|
| 717 | end;
|
|---|
| 718 | end;
|
|---|
| 719 |
|
|---|
| 720 | Initialization
|
|---|
| 721 | RegisterClasses ([TFileDialogForm, TEdit, TLabel,
|
|---|
| 722 | TCustomDirectoryListBox, TCustomDriveComboBox,
|
|---|
| 723 | TCustomFilterComboBox, TSplitBar, TButton,
|
|---|
| 724 | TListBox, TMultiColumnListBox, TCheckBox]);
|
|---|
| 725 |
|
|---|
| 726 | RegisterUpdateProcForLanguages( EnsureFileDialogFormLoaded );
|
|---|
| 727 | End.
|
|---|
