com.aptana.formatter.ui.dialogs.PropToPrefLinkArea.java Source code

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Here is the source code for com.aptana.formatter.ui.dialogs.PropToPrefLinkArea.java

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/*******************************************************************************
 * Copyright (c) 2005, 2007 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
 *******************************************************************************/
package com.aptana.formatter.ui.dialogs;

import java.text.MessageFormat;
import java.util.Iterator;

import org.eclipse.jface.preference.IPreferenceNode;
import org.eclipse.jface.preference.PreferenceManager;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.internal.WorkbenchMessages;

/**
 * Creates a link between a property page and preference page
 */
@SuppressWarnings("restriction")
public class PropToPrefLinkArea {

    private Link pageLink;

    public PropToPrefLinkArea(Composite parent, int style, final String pageId, String message, final Shell shell,
            final Object pageData) {
        /*
         * breaking new ground yet again - want to link between property and preference paes. ie: project specific debug
         * engine options to general debugging options
         */
        pageLink = new Link(parent, style);

        IPreferenceNode node = getPreferenceNode(pageId);
        String result;
        if (node == null) {
            result = NLS.bind(WorkbenchMessages.PreferenceNode_NotFound, pageId);
        } else {
            result = MessageFormat.format(message, node.getLabelText());

            // only add the selection listener if the node is found
            pageLink.addSelectionListener(new SelectionAdapter() {

                public void widgetSelected(SelectionEvent e) {
                    PreferencesUtil.createPreferenceDialogOn(shell, pageId, new String[] { pageId }, pageData)
                            .open();
                }

            });
        }
        pageLink.setText(result);

    }

    /**
     * Returns the property link control
     */
    public Control getControl() {
        return pageLink;
    }

    @SuppressWarnings("rawtypes")
    private IPreferenceNode getPreferenceNode(String pageId) {
        Iterator iterator = PlatformUI.getWorkbench().getPreferenceManager()
                .getElements(PreferenceManager.PRE_ORDER).iterator();
        while (iterator.hasNext()) {
            IPreferenceNode next = (IPreferenceNode) iterator.next();
            if (next.getId().equals(pageId)) {
                return next;
            }
        }
        return null;
    }
}