bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/ActivitiesPreferencePage.java

/*******************************************************************************
 * Copyright (c) 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ui.internal.dialogs;

import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.internal.activities.ws.ActivityEnabler;


/**
 * Preference page that allows configuration of the activity set.

 * @since 3.0
 */
public class ActivitiesPreferencePage 
	extends PreferencePage 
	implements IWorkbenchPreferencePage {

    private IWorkbench workbench;
    private ActivityEnabler enabler; 
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
     */
    protected Control createContents(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        GridLayout layout = new GridLayout();
        layout.marginHeight = 0;
        layout.marginWidth = 0;
        composite.setLayout(layout);
		composite.setFont(parent.getFont());

		GridData data = new GridData(GridData.FILL_BOTH);
		enabler = new ActivityEnabler(workbench.getActivitySupport());
		enabler.createControl(composite).setLayoutData(data);

		return composite;        
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
     */
    public void init(IWorkbench aWorkbench) {
        this.workbench = aWorkbench;        
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.IPreferencePage#performOk()
     */
    public boolean performOk() {
        enabler.updateActivityStates();
        return true;
    }
    /* (non-Javadoc)
     * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
     */
    protected void performDefaults() {
        enabler.restoreDefaults();
        super.performDefaults();
    }
}