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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.dialogs;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.cdt.internal.ui.CUIMessages;
/**
* This is a <code>MessageDialog</code> which allows the user
* to choose that the dialog isn't shown again the next time.
*/
public class OptionalMessageDialog extends MessageDialog {
// Dialog store id constants
private static final String STORE_ID= "OptionalMessageDialog.hide."; //$NON-NLS-1$
private static final String KEY_DETAIL = ".detail"; //$NON-NLS-1$
public static final int NOT_SHOWN= IDialogConstants.CLIENT_ID + 1;
public static final int NO_DETAIL= -1;
private Button fHideDialogCheckBox;
private String fId;
private String fHideMessage;
/**
* Opens the dialog but only if the user hasn't chosen to hide it.
* Returns <code>NOT_SHOWN</code> if the dialog was not shown.
*/
public static int open(String id, Shell parent, String title, Image titleImage, String message, int dialogType, String[] buttonLabels, int defaultButtonIndex) {
if (!isDialogEnabled(id))
return OptionalMessageDialog.NOT_SHOWN;
MessageDialog dialog= new OptionalMessageDialog(id, parent, title, titleImage, message, dialogType, buttonLabels, defaultButtonIndex);
return dialog.open();
}
protected OptionalMessageDialog(String id, Shell parent, String title, Image titleImage, String message, int dialogType, String[] buttonLabels, int defaultButtonIndex) {
super(parent, title, titleImage, message, dialogType, buttonLabels, defaultButtonIndex);
fId= id;
switch(dialogType) {
case QUESTION:
case QUESTION_WITH_CANCEL:
fHideMessage= CUIMessages.OptionalMessageDialog_rememberDecision;
break;
default:
fHideMessage= CUIMessages.OptionalMessageDialog_dontShowAgain;
}
}
@Override
protected Control createCustomArea(Composite parent) {
Composite composite= new Composite(parent, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
layout.marginWidth= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
layout.horizontalSpacing= convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
fHideDialogCheckBox= new Button(composite, SWT.CHECK | SWT.LEFT);
fHideDialogCheckBox.setText(fHideMessage);
fHideDialogCheckBox.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
setDialogEnabled(fId, !((Button)e.widget).getSelection());
}
});
applyDialogFont(fHideDialogCheckBox);
return fHideDialogCheckBox;
}
//--------------- Configuration handling --------------
/**
* Returns this dialog
*
* @return the settings to be used
*/
private static IDialogSettings getDialogSettings() {
IDialogSettings settings= CUIPlugin.getDefault().getDialogSettings();
settings= settings.getSection(STORE_ID);
if (settings == null)
settings= CUIPlugin.getDefault().getDialogSettings().addNewSection(STORE_ID);
return settings;
}
/**
* Answers whether the optional dialog is enabled and should be shown.
*/
public static boolean isDialogEnabled(String key) {
IDialogSettings settings= getDialogSettings();
return !settings.getBoolean(key);
}
/**
* Sets a detail for the dialog.
*/
public static void setDialogDetail(String key, int detail) {
IDialogSettings settings= getDialogSettings();
settings.put(key+KEY_DETAIL, detail);
}
/**
* Returns the detail for this dialog, or NO_DETAIL, if none.
*/
public static int getDialogDetail(String key) {
IDialogSettings settings= getDialogSettings();
try {
return settings.getInt(key+KEY_DETAIL);
} catch (NumberFormatException e) {
return NO_DETAIL;
}
}
/**
* Sets whether the optional dialog is enabled and should be shown.
*/
public static void setDialogEnabled(String key, boolean isEnabled) {
IDialogSettings settings= getDialogSettings();
settings.put(key, !isEnabled);
}
/**
* Clears all remembered information about hidden dialogs
*/
public static void clearAllRememberedStates() {
IDialogSettings settings= CUIPlugin.getDefault().getDialogSettings();
settings.addNewSection(STORE_ID);
}
}
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