| 1 | Unit ACLDialogs;
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| 2 | // A variety of useful message box functions, including displaying
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| 3 | // lists. They all allow specification of a caption.
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| 4 |
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| 5 | Interface
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| 6 |
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| 7 | Uses
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| 8 | Classes,
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| 9 | {$ifdef os2}
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| 10 | ACLMessageForm
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| 11 | {$else}
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| 12 | Controls,
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| 13 | MessageFormWin
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| 14 | {$endif}
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| 15 | ;
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| 16 |
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| 17 | // Shows a message box
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| 18 | Procedure DoMessageDlg( Caption: String;
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| 19 | Message: string );
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| 20 |
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| 21 | // Shows an error message box
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| 22 | Procedure DoErrorDlg( Caption: String;
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| 23 | Message: string );
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| 24 |
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| 25 | // Shows a warning message box
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| 26 | Procedure DoWarningDlg( Caption: String;
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| 27 | Message: string );
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| 28 |
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| 29 | // Shows a long message box
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| 30 | Procedure DoLongMessageDlg( Caption: String;
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| 31 | Message: PChar );
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| 32 |
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| 33 | // Shows a dialog with OK and cancel buttons
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| 34 | // Returns true if OK pressed
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| 35 | Function DoConfirmDlg( Caption: string;
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| 36 | Message: string ): boolean;
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| 37 |
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| 38 | // Returns true if confirmation given.
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| 39 | Function DoConfirmListDlg( Caption: string;
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| 40 | Message: string;
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| 41 | List: TStrings ): boolean;
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| 42 |
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| 43 | // Shows a message containing a list
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| 44 | Procedure DoMessageListDlg( Caption: string;
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| 45 | Message: string;
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| 46 | List: TStrings );
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| 47 |
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| 48 | // Shows an error message containing a list
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| 49 | Procedure DoErrorListDlg( Caption: string;
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| 50 | Message: string;
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| 51 | List: TStrings );
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| 52 |
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| 53 | // Returns true if yes is clicked
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| 54 | Function DoYesNoListDlg( Caption: string;
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| 55 | Message: string;
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| 56 | List: TStrings ): boolean;
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| 57 |
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| 58 | // Returns true if yes is clicked
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| 59 | Function DoYesNoDlg( Caption: string;
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| 60 | Message: string ): boolean;
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| 61 |
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| 62 | // Shows a message containing a list
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| 63 | // with a help callback for items in the list
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| 64 | Procedure DoMessageListHelpDlg( Caption: string;
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| 65 | Message: string;
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| 66 | List: TStrings;
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| 67 | ListHelpCallback: TListHelpCallback );
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| 68 |
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| 69 | {$ifdef os2}
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| 70 | Function DoInputQuery( Const ACaption: String;
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| 71 | Const APrompt: String;
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| 72 | Var Value: String ): Boolean;
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| 73 |
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| 74 | {$endif}
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| 75 |
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| 76 | Implementation
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| 77 |
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| 78 | uses
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| 79 | SysUtils,
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| 80 | Forms,
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| 81 | Dialogs,
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| 82 | StdCtrls,
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| 83 | Buttons,
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| 84 | {$ifdef os2}
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| 85 | ACLLanguageUnit, ControlsUtility,
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| 86 | {$endif}
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| 87 | CharUtilsUnit,
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| 88 | DebugUnit;
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| 89 |
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| 90 | // -------------------------------------------------
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| 91 |
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| 92 | Function DoACLDialog( const Caption: string;
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| 93 | const Message: string;
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| 94 | const List: TStrings;
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| 95 | const ShowCancel: boolean;
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| 96 | const IconType: TMessageIconType;
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| 97 | const ShowHelp: boolean;
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| 98 | const UseYesNo: boolean;
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| 99 | const ListHelpCallBack: TListHelpCallBack ): TModalResult;
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| 100 | var
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| 101 | TheDialog: TMessageForm;
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| 102 | PMessage: PChar;
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| 103 | Begin
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| 104 | TheDialog := TMessageForm.Create( nil );
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| 105 | TheDialog.Caption := Caption;
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| 106 | PMessage := NewPCharAsCopyOfStr(Message);
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| 107 | TheDialog.TheText := PMessage;
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| 108 |
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| 109 | TheDialog.ShowCancel := ShowCancel;
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| 110 | TheDialog.IconType := IconType;
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| 111 | TheDialog.ShowHelp := ShowHelp;
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| 112 | TheDialog.UseYesNo := UseYesNo;
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| 113 | TheDialog.ListHelpCallBack := ListHelpCallBack;
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| 114 |
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| 115 | if List <> nil then
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| 116 | begin
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| 117 | TheDialog.ShowList := true;
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| 118 | TheDialog.ListBox.Items.Assign( List );
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| 119 | end
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| 120 | else
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| 121 | begin
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| 122 | TheDialog.ShowList := false;
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| 123 | end;
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| 124 |
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| 125 | Result := TheDialog.ShowModal;
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| 126 |
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| 127 | TheDialog.Destroy;
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| 128 | StrDispose( PMessage );
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| 129 | end;
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| 130 |
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| 131 | Procedure DoMessageListDlg( Caption: string;
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| 132 | Message: string;
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| 133 | List: TStrings );
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| 134 | Begin
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| 135 | DoACLDialog( Caption,
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| 136 | Message,
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| 137 | List,
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| 138 | false, // show cancel
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| 139 | mitInfo,
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| 140 | false, // show help
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| 141 | false, // use yes no
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| 142 | nil
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| 143 | );
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| 144 | End;
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| 145 |
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| 146 | Procedure DoMessageListHelpDlg( Caption: string;
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| 147 | Message: string;
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| 148 | List: TStrings;
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| 149 | ListHelpCallback: TListHelpCallback );
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| 150 | Begin
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| 151 | DoACLDialog( Caption,
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| 152 | Message,
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| 153 | List,
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| 154 | false, // show cancel
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| 155 | mitInfo,
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| 156 | true, // show help
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| 157 | false, // use yes no
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| 158 | ListHelpCallBack
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| 159 | );
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| 160 | End;
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| 161 |
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| 162 | Function DoConfirmListDlg( Caption: string;
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| 163 | Message: string;
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| 164 | List: TStrings ): boolean;
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| 165 | Begin
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| 166 | Result :=
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| 167 | DoACLDialog( Caption,
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| 168 | Message,
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| 169 | List,
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| 170 | true, // show cancel
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| 171 | mitQuestion,
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| 172 | false, // show help
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| 173 | false, // use yes no
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| 174 | nil // no help callback
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| 175 | ) = mrOK;
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| 176 | End;
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| 177 |
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| 178 | Function DoConfirmDlg( Caption: string;
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| 179 | Message: string ): boolean;
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| 180 | Begin
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| 181 | Result :=
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| 182 | DoACLDialog( Caption,
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| 183 | Message,
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| 184 | nil, // no list
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| 185 | true, // show cancel
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| 186 | mitQuestion,
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| 187 | false, // show help
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| 188 | false, // use yes no
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| 189 | nil // no help callback
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| 190 | ) = mrOK;
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| 191 | End;
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| 192 |
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| 193 | Procedure DoLongMessageDlg( Caption: String;
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| 194 | Message: PChar );
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| 195 | Var
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| 196 | TheDialog: TMessageForm;
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| 197 | Begin
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| 198 | TheDialog := TMessageForm.Create( nil );
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| 199 | TheDialog.Caption := Caption;
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| 200 | TheDialog.TheText := Message;
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| 201 |
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| 202 | TheDialog.ShowList := false;
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| 203 | TheDialog.ShowCancel := false;
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| 204 | TheDialog.IconType := mitInfo;
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| 205 | TheDialog.ShowHelp := false;
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| 206 | TheDialog.UseYesNo := false;
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| 207 |
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| 208 | TheDialog.ShowModal;
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| 209 | TheDialog.Destroy;
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| 210 | End;
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| 211 |
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| 212 | Procedure DoMessageDlg( Caption: String;
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| 213 | Message: string );
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| 214 | Begin
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| 215 | DoACLDialog( Caption,
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| 216 | Message,
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| 217 | nil, // no list
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| 218 | false, // show cancel
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| 219 | mitInfo,
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| 220 | false, // show help
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| 221 | false, // use yes no
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| 222 | nil // no help callback
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| 223 | );
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| 224 | End;
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| 225 |
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| 226 | Procedure DoErrorListDlg( Caption: string;
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| 227 | Message: string;
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| 228 | List: TStrings );
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| 229 | Begin
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| 230 | DoACLDialog( Caption,
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| 231 | Message,
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| 232 | List,
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| 233 | false, // show cancel
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| 234 | mitError,
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| 235 | false, // show help
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| 236 | false, // use yes no
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| 237 | nil // no help callback
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| 238 | );
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| 239 | End;
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| 240 |
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| 241 | Procedure DoErrorDlg( Caption: String;
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| 242 | Message: string );
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| 243 | Begin
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| 244 | DoACLDialog( Caption,
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| 245 | Message,
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| 246 | nil, // no list
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| 247 | false, // show cancel
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| 248 | mitError,
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| 249 | false, // show help
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| 250 | false, // use yes no
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| 251 | nil // no help callback
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| 252 | );
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| 253 | End;
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| 254 |
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| 255 | Procedure DoWarningDlg( Caption: String;
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| 256 | Message: string );
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| 257 | begin
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| 258 | DoACLDialog( Caption,
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| 259 | Message,
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| 260 | nil, // no list
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| 261 | false, // show cancel
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| 262 | mitWarning,
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| 263 | false, // show help
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| 264 | false, // use yes no
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| 265 | nil // no help callback
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| 266 | );
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| 267 | end;
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| 268 |
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| 269 | Function DoYesNoListDlg( Caption: string;
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| 270 | Message: string;
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| 271 | List: TStrings ): boolean;
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| 272 | Begin
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| 273 | Result :=
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| 274 | DoACLDialog( Caption,
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| 275 | Message,
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| 276 | List,
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| 277 | true, // show "cancel" (=no)
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| 278 | mitQuestion,
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| 279 | false, // show help
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| 280 | true, // use yes no
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| 281 | nil // no help callback
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| 282 | ) = mrYes;
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| 283 | End;
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| 284 |
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| 285 | Function DoYesNoDlg( Caption: string;
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| 286 | Message: string ): boolean;
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| 287 | Begin
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| 288 | Result :=
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| 289 | DoACLDialog( Caption,
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| 290 | Message,
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| 291 | nil, // no list
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| 292 | true, // show "cancel" (=no)
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| 293 | mitQuestion,
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| 294 | false, // show help
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| 295 | true, // use yes no
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| 296 | nil // no help callback
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| 297 | ) = mrYes;
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| 298 | End;
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| 299 |
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| 300 | {$ifdef os2}
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| 301 |
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| 302 | var
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| 303 | OKButtonCaption: string;
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| 304 | CancelButtonCaption: string;
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| 305 |
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| 306 | Procedure OnLanguageEvent(Language: TLanguageFile; const Apply: boolean);
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| 307 | begin
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| 308 | if Language <> nil then
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| 309 | Language.Prefix := 'TextInputForm.';
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| 310 |
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| 311 | LoadString( Language, Apply, OKButtonCaption, 'OKButtonCaption', '~OK' );
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| 312 | LoadString( Language, Apply, CancelButtonCaption, 'CancelButtonCaption', '~Cancel' );
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| 313 | end;
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| 314 |
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| 315 | type
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| 316 | TACLQueryDialog = class( TDialog )
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| 317 | FEdit: TEdit;
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| 318 | FMessageLabel: TLabel;
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| 319 | FOKButton: TButton;
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| 320 | FCancelButton: TButton;
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| 321 | procedure SetupComponent; override;
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| 322 | procedure SetupShow; override;
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| 323 | end;
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| 324 |
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| 325 | procedure TACLQueryDialog.SetupComponent;
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| 326 | begin
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| 327 | inherited SetupComponent;
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| 328 |
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| 329 | Name := 'TextInputForm';
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| 330 |
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| 331 | ClientWidth := 340;
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| 332 | ClientHeight := 120;
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| 333 |
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| 334 | FMessageLabel := InsertLabel( self, 10, 90, 320, 20, '' );
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| 335 |
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| 336 | FEdit := TEdit.Create( self );
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| 337 | FEdit.SetWindowPos( 10, 60, 320, 20 );
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| 338 | FEdit.parent := self;
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| 339 | FEdit.TabOrder := 0;
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| 340 | FEdit.AutoSize := true;
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| 341 |
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| 342 | FOKButton := InsertButton( self, 10, 10, 90, 30, OKButtonCaption, '' );
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| 343 | FOKButton.Name := 'OKButton';
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| 344 | FOKButton.ModalResult := mrOK;
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| 345 | FOKButton.Default := true;
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| 346 | FOKButton.TabOrder := 1;
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| 347 |
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| 348 | FCancelButton := InsertButton( self, 120, 10, 90, 30, CancelButtonCaption, '' );
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| 349 | FCancelButton.Name := 'CancelButon';
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| 350 | FCancelButton.ModalResult := mrCancel;
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| 351 | FCancelButton.Cancel := true;
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| 352 | FCancelButton.TabOrder := 2;
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| 353 |
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| 354 | end;
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| 355 |
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| 356 | procedure TACLQueryDialog.SetupShow;
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| 357 | begin
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| 358 | ScaleForm( self, 11, 16 );
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| 359 | FOKButton.Default := true;
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| 360 | FEdit.Focus;
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| 361 | end;
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| 362 |
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| 363 | Var
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| 364 | QueryDlg: TACLQueryDialog;
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| 365 |
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| 366 | // This is a copy of InputQuery from SPCC with the following changes:
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| 367 | // - slight layout mods
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| 368 | // - normal buttons instead of bitmap buttons
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| 369 | // - buttons are centered like my other popup dialogs
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| 370 | Function DoInputQuery( Const ACaption: String;
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| 371 | Const APrompt: String;
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| 372 | Var Value: String ): Boolean;
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| 373 | Begin
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| 374 | if QueryDlg = nil then
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| 375 | begin
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| 376 | QueryDlg := TACLQueryDialog.Create( Screen.ActiveForm );
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| 377 | end;
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| 378 |
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| 379 | QueryDlg.Caption := ACaption;
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| 380 | QueryDlg.FMessageLabel.Caption := APrompt;
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| 381 | QueryDlg.FEdit.Text := Value;
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| 382 |
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| 383 | QueryDlg.Execute;
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| 384 | Case QueryDlg.ModalResult Of
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| 385 | cmOk:
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| 386 | Begin
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| 387 | Value := QueryDlg.FEdit.Text;
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| 388 | Result := True;
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| 389 | End;
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| 390 |
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| 391 | Else
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| 392 | Begin
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| 393 | Result := False;
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| 394 | End;
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| 395 | End; {Case}
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| 396 |
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| 397 | End;
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| 398 |
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| 399 | {$endif}
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| 400 |
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| 401 | {$ifdef os2}
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| 402 | Initialization
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| 403 | RegisterProcForLanguages( OnLanguageEvent );
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| 404 |
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| 405 | // load our defaults in case the app using us doesn't know about languages
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| 406 | OnLanguageEvent( nil, true );
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| 407 |
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| 408 | Finalization
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| 409 |
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| 410 | // I think application .Destroy will do this.
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| 411 | // if QueryDlg <> nil then
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| 412 | // QueryDlg.Destroy;
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| 413 |
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| 414 | {$endif}
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| 415 |
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| 416 | End.
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