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   1 package net.sourceforge.phpdt.externaltools.internal.ui;
   2
   3 /**********************************************************************
   4  Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
   5  This file is made available under the terms of the Common Public License v1.0
   6  which accompanies this distribution, and is available at
   7  http://www.eclipse.org/legal/cpl-v10.html
   8  **********************************************************************/
   9
  10 import org.eclipse.jface.dialogs.IDialogConstants;
  11 import org.eclipse.jface.dialogs.MessageDialog;
  12 import org.eclipse.jface.preference.IPreferenceStore;
  13 import org.eclipse.swt.SWT;
  14 import org.eclipse.swt.graphics.Image;
  15 import org.eclipse.swt.layout.GridData;
  16 import org.eclipse.swt.widgets.Button;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Control;
  19 import org.eclipse.swt.widgets.Shell;
  20
  21 /**
  22  * An message dialog which allows the user to set a boolean preference.
  23  *
  24  * This is typically used to set a preference that determines if the dialog
  25  * should be shown in the future
  26  */
  27 public class MessageDialogWithToggle extends MessageDialog {
  28
  29         /**
  30          * The preference key which is set by the toggle button. This key must be a
  31          * boolean preference in the preference store.
  32          */
  33         private String fPreferenceKey = null;
  34
  35         /**
  36          * The message displayed to the user, with the toggle button
  37          */
  38         private String fToggleMessage = null;
  39
  40         private Button fToggleButton = null;
  41
  42         /**
  43          * The preference store which will be affected by the toggle button
  44          */
  45         IPreferenceStore fStore = null;
  46
  47         public MessageDialogWithToggle(Shell parentShell, String dialogTitle,
  48                         Image image, String message, int dialogImageType,
  49                         String[] dialogButtonLabels, int defaultIndex,
  50                         String preferenceKey, String toggleMessage, IPreferenceStore store) {
  51                 super(parentShell, dialogTitle, image, message, dialogImageType,
  52                                 dialogButtonLabels, defaultIndex);
  53                 fStore = store;
  54                 fPreferenceKey = preferenceKey;
  55                 fToggleMessage = toggleMessage;
  56         }
  57
  58         protected Control createDialogArea(Composite parent) {
  59                 Composite dialogArea = (Composite) super.createDialogArea(parent);
  60                 fToggleButton = createCheckButton(dialogArea, fToggleMessage);
  61                 getToggleButton().setSelection(fStore.getBoolean(fPreferenceKey));
  62                 return dialogArea;
  63         }
  64
  65         /**
  66          * Creates a button with the given label and sets the default configuration
  67          * data.
  68          */
  69         protected Button createCheckButton(Composite parent, String label) {
  70                 Button button = new Button(parent, SWT.CHECK | SWT.LEFT);
  71                 button.setText(label);
  72
  73                 GridData data = new GridData(SWT.NONE);
  74                 data.horizontalSpan = 2;
  75                 data.horizontalAlignment = GridData.CENTER;
  76                 button.setLayoutData(data);
  77                 button.setFont(parent.getFont());
  78
  79                 return button;
  80         }
  81
  82         /**
  83          * When the OK button is pressed, store the preference.
  84          *
  85          * @see org.eclipse.jface.dialogs.Dialog#buttonPressed(int)
  86          */
  87         protected void buttonPressed(int id) {
  88                 if (id == IDialogConstants.OK_ID) { // was the OK button pressed?
  89                         storePreference();
  90                 }
  91                 super.buttonPressed(id);
  92         }
  93
  94         /**
  95          * Store the preference based on the user's selection
  96          */
  97         protected void storePreference() {
  98                 fStore.setValue(fPreferenceKey, getToggleButton().getSelection());
  99         }
 100
 101         /**
 102          * Returns the button used to toggle the dialog preference
 103          *
 104          * @return Button the preference toggle button
 105          */
 106         protected Button getToggleButton() {
 107                 return fToggleButton;
 108         }
 109
 110         /**
 111          * Convenience method to open a simple confirm (OK/Cancel) dialog.
 112          *
 113          * @param parent
 114          *            the parent shell of the dialog, or <code>null</code> if none
 115          * @param title
 116          *            the dialog's title, or <code>null</code> if none
 117          * @param message
 118          *            the message
 119          * @return <code>true</code> if the user presses the OK button,
 120          *         <code>false</code> otherwise
 121          */
 122         public static boolean openConfirm(Shell parent, String title,
 123                         String message, String preferenceKey, String toggleMessage,
 124                         IPreferenceStore store) {
 125                 MessageDialogWithToggle dialog = new MessageDialogWithToggle(parent,
 126                                 title, null, // accept the default window icon
 127                                 message, QUESTION, new String[] { IDialogConstants.OK_LABEL,
 128                                                 IDialogConstants.CANCEL_LABEL }, 0, // OK is the default
 129                                 preferenceKey, toggleMessage, store);
 130                 return dialog.open() == 0;
 131         }
 132
 133         /**
 134          * Convenience method to open a standard error dialog.
 135          *
 136          * @param parent
 137          *            the parent shell of the dialog, or <code>null</code> if none
 138          * @param title
 139          *            the dialog's title, or <code>null</code> if none
 140          * @param message
 141          *            the message
 142          */
 143         public static void openError(Shell parent, String title, String message,
 144                         String preferenceKey, String toggleMessage, IPreferenceStore store) {
 145                 MessageDialogWithToggle dialog = new MessageDialogWithToggle(parent,
 146                                 title, null, // accept the default window icon
 147                                 message, ERROR, new String[] { IDialogConstants.OK_LABEL }, 0, // ok
 148                                                                                                                                                                 // is
 149                                                                                                                                                                 // the
 150                                                                                                                                                                 // default
 151                                 preferenceKey, toggleMessage, store);
 152                 dialog.open();
 153         }
 154
 155         /**
 156          * Convenience method to open a standard information dialog.
 157          *
 158          * @param parent
 159          *            the parent shell of the dialog, or <code>null</code> if none
 160          * @param title
 161          *            the dialog's title, or <code>null</code> if none
 162          * @param message
 163          *            the message
 164          */
 165         public static void openInformation(Shell parent, String title,
 166                         String message, String preferenceKey, String toggleMessage,
 167                         IPreferenceStore store) {
 168                 MessageDialogWithToggle dialog = new MessageDialogWithToggle(parent,
 169                                 title,
 170                                 null, // accept the default window icon
 171                                 message, INFORMATION,
 172                                 new String[] { IDialogConstants.OK_LABEL }, 0, // ok is the
 173                                                                                                                                 // default
 174                                 preferenceKey, toggleMessage, store);
 175                 dialog.open();
 176         }
 177
 178         /**
 179          * Convenience method to open a simple Yes/No question dialog.
 180          *
 181          * @param parent
 182          *            the parent shell of the dialog, or <code>null</code> if none
 183          * @param title
 184          *            the dialog's title, or <code>null</code> if none
 185          * @param message
 186          *            the message
 187          * @return <code>true</code> if the user presses the OK button,
 188          *         <code>false</code> otherwise
 189          */
 190         public static boolean openQuestion(Shell parent, String title,
 191                         String message, String preferenceKey, String toggleMessage,
 192                         IPreferenceStore store) {
 193                 MessageDialogWithToggle dialog = new MessageDialogWithToggle(parent,
 194                                 title, null, // accept the default window icon
 195                                 message, QUESTION, new String[] { IDialogConstants.YES_LABEL,
 196                                                 IDialogConstants.NO_LABEL }, 0, // yes is the default
 197                                 preferenceKey, toggleMessage, store);
 198                 return dialog.open() == 0;
 199         }
 200
 201         /**
 202          * Convenience method to open a standard warning dialog.
 203          *
 204          * @param parent
 205          *            the parent shell of the dialog, or <code>null</code> if none
 206          * @param title
 207          *            the dialog's title, or <code>null</code> if none
 208          * @param message
 209          *            the message
 210          */
 211         public static void openWarning(Shell parent, String title, String message,
 212                         String preferenceKey, String toggleMessage, IPreferenceStore store) {
 213                 MessageDialogWithToggle dialog = new MessageDialogWithToggle(parent,
 214                                 title,
 215                                 null, // accept the default window icon
 216                                 message, WARNING, new String[] { IDialogConstants.OK_LABEL },
 217                                 0, // ok is the default
 218                                 preferenceKey, toggleMessage, store);
 219                 dialog.open();
 220         }
 221
 222 }