com.aptana.samples.ui.views.SamplesView.java Source code

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Here is the source code for com.aptana.samples.ui.views.SamplesView.java

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.samples.ui.views;

import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.part.ViewPart;

import com.aptana.samples.ISampleListener;
import com.aptana.samples.ISamplesManager;
import com.aptana.samples.SamplesPlugin;
import com.aptana.samples.model.SamplesReference;
import com.aptana.theme.ThemePlugin;
import com.aptana.ui.util.UIUtils;

/**
 * @author Kevin Lindsey
 * @author Kevin Sawicki (ksawicki@aptana.com)
 * @author Michael Xia
 */
public class SamplesView extends ViewPart {

    // the view id
    public static final String ID = "com.aptana.samples.ui.SamplesView"; //$NON-NLS-1$

    private TreeViewer treeViewer;

    private ISampleListener sampleListener = new ISampleListener() {

        public void sampleAdded(SamplesReference sample) {
            refresh();
        }

        public void sampleRemoved(SamplesReference sample) {
            refresh();
        }

        private void refresh() {
            UIUtils.getDisplay().asyncExec(new Runnable() {

                public void run() {
                    if (treeViewer != null && !treeViewer.getControl().isDisposed()) {
                        treeViewer.refresh();
                    }
                }
            });
        }
    };

    @Override
    public void createPartControl(Composite parent) {
        treeViewer = createTreeViewer(parent);

        getSite().setSelectionProvider(treeViewer);
        hookContextMenu();
        applyTheme();

        getSamplesManager().addSampleListener(sampleListener);
    }

    @Override
    public void setFocus() {
    }

    @Override
    public void dispose() {
        getSamplesManager().removeSampleListener(sampleListener);
        super.dispose();
        ThemePlugin.getDefault().getControlThemerFactory().dispose(treeViewer);
    }

    public void collapseAll() {
        treeViewer.collapseAll();
    }

    protected TreeViewer createTreeViewer(Composite parent) {
        TreeViewer treeViewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL);
        treeViewer.setContentProvider(new SamplesViewContentProvider());
        treeViewer.setLabelProvider(new SamplesViewLabelProvider());
        treeViewer.setInput(getSamplesManager());
        treeViewer.setComparator(new ViewerComparator());
        ColumnViewerToolTipSupport.enableFor(treeViewer);

        return treeViewer;
    }

    private void hookContextMenu() {
        MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
        menuMgr.setRemoveAllWhenShown(true);
        menuMgr.addMenuListener(new IMenuListener() {

            public void menuAboutToShow(IMenuManager manager) {
                manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
            }
        });

        Menu menu = menuMgr.createContextMenu(treeViewer.getControl());
        treeViewer.getControl().setMenu(menu);
        getSite().registerContextMenu(menuMgr, treeViewer);
    }

    private void applyTheme() {
        ThemePlugin.getDefault().getControlThemerFactory().apply(treeViewer);
    }

    private static ISamplesManager getSamplesManager() {
        return SamplesPlugin.getDefault().getSamplesManager();
    }
}