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