source/ch/cyberduck/ui/cocoa/AlertController.java

   1 package ch.cyberduck.ui.cocoa;
   2
   3 /*
   4  * Copyright (c) 2002-2009 David Kocher. All rights reserved.
   5  *
   6  * http://cyberduck.ch/
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * Bug fixes, suggestions and comments should be sent to:
  19  * dkocher@cyberduck.ch
  20  */
  21
  22 import ch.cyberduck.binding.application.NSAlert;
  23 import ch.cyberduck.binding.application.NSButton;
  24 import ch.cyberduck.binding.application.NSPanel;
  25 import ch.cyberduck.binding.application.NSView;
  26 import ch.cyberduck.binding.application.SheetCallback;
  27 import ch.cyberduck.binding.foundation.NSEnumerator;
  28 import ch.cyberduck.binding.foundation.NSObject;
  29 import ch.cyberduck.core.DefaultProviderHelpService;
  30
  31 import org.rococoa.Foundation;
  32 import org.rococoa.ID;
  33 import org.rococoa.Rococoa;
  34 import org.rococoa.cocoa.foundation.NSRect;
  35
  36 public abstract class AlertController extends SheetController {
  37
  38     /**
  39      * If using alert and no custom window
  40      */
  41     protected NSAlert alert;
  42
  43     public AlertController(final WindowController parent, final NSAlert alert) {
  44         this(parent, alert, NSAlert.NSWarningAlertStyle);
  45     }
  46
  47     public AlertController(final WindowController parent, final NSAlert alert, final int style) {
  48         super(parent);
  49         this.alert = alert;
  50         this.alert.setAlertStyle(style);
  51         this.alert.setDelegate(this.id());
  52         this.setWindow(this.alert.window());
  53     }
  54
  55     public void setAccessoryView(final NSView view) {
  56         view.setFrame(new NSRect(alert.window().contentView().frame().size.width.floatValue(),
  57                 view.frame().size.height.floatValue()));
  58         alert.setAccessoryView(view);
  59     }
  60
  61     @Override
  62     public void beginSheet() {
  63         super.beginSheet();
  64         this.focus();
  65     }
  66
  67     @Override
  68     protected void beginSheetImpl() {
  69         parent.window().makeKeyAndOrderFront(null);
  70         alert.layout();
  71         NSEnumerator buttons = alert.buttons().objectEnumerator();
  72         NSObject button;
  73         while(((button = buttons.nextObject()) != null)) {
  74             final NSButton b = Rococoa.cast(button, NSButton.class);
  75             b.setTarget(this.id());
  76             b.setAction(Foundation.selector("closeSheet:"));
  77         }
  78         alert.beginSheet(parent.window(), this.id(), Foundation.selector("alertDidEnd:returnCode:contextInfo:"), null);
  79     }
  80
  81     protected void focus() {
  82         //
  83     }
  84
  85     protected void setTitle(final String title) {
  86         alert.setMessageText(title);
  87     }
  88
  89     protected void setMessage(final String message) {
  90         alert.setInformativeText(message);
  91     }
  92
  93     /**
  94      * Message the alert sends to modalDelegate after the user responds but before the sheet is dismissed.
  95      *
  96      * @param alert       Alert window
  97      * @param returnCode  Button code
  98      * @param contextInfo Context
  99      */
 100     public void alertDidEnd_returnCode_contextInfo(final NSAlert alert, final int returnCode, final ID contextInfo) {
 101         this.sheetDidClose_returnCode_contextInfo(alert.window(), returnCode, contextInfo);
 102     }
 103
 104     @Override
 105     protected int getCallbackOption(final NSButton selected) {
 106         if(selected.tag() == NSPanel.NSAlertDefaultReturn) {
 107             return SheetCallback.DEFAULT_OPTION;
 108         }
 109         else if(selected.tag() == NSPanel.NSAlertAlternateReturn) {
 110             return SheetCallback.ALTERNATE_OPTION;
 111         }
 112         else if(selected.tag() == NSPanel.NSAlertOtherReturn) {
 113             return SheetCallback.CANCEL_OPTION;
 114         }
 115         return SheetCallback.DEFAULT_OPTION;
 116     }
 117
 118     /**
 119      * Open help page.
 120      */
 121     protected void help() {
 122         new DefaultProviderHelpService().help();
 123     }
 124
 125     /**
 126      * When the help button is pressed, the alert delegate (delegate) is first sent a alertShowHelp: message.
 127      *
 128      * @param alert Alert window
 129      * @return True if help request was handled.
 130      */
 131     public boolean alertShowHelp(final NSAlert alert) {
 132         this.help();
 133         return true;
 134     }
 135 }