BundleDependenciesPage.java

/*******************************************************************************
 * Copyright (c) 2009 SpringSource, a divison of VMware, Inc.
 * 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:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.virgo.ide.ui.editors;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.pde.core.plugin.IPluginModelBase;
import org.eclipse.pde.internal.ui.PDEPlugin;
import org.eclipse.pde.internal.ui.PDEPluginImages;
import org.eclipse.pde.internal.ui.PDEUIMessages;
import org.eclipse.pde.internal.ui.editor.FormLayoutFactory;
import org.eclipse.pde.internal.ui.editor.PDEFormPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.editor.FormEditor;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.virgo.ide.ui.ServerIdeUiPlugin;
import org.eclipse.virgo.ide.ui.StatusHandler;


/**
 * @author Christian Dupuis
 */
public class BundleDependenciesPage extends PDEFormPage implements IBundleManifestSaveListener {

	public static final String PAGE_ID = "bundle_dependencies"; //$NON-NLS-1$

	private BundleImportPackageSection bundleImportPackageSection = null;

	private BundleImportSection bundleImportSection = null;

	private BundleImportLibrarySection bundleImportLibrarySection = null;

	protected ScrolledForm form = null;

	protected IResource resource = null;

	private static final String MANIFEST_ERRORS = "Dependencies: Please correct one or more errors in the manifest";

	public BundleDependenciesPage(FormEditor editor) {
		super(editor, PAGE_ID, "Dependencies");
	}

	@Override
	protected void createFormContent(IManagedForm managedForm) {
		super.createFormContent(managedForm);
		form = managedForm.getForm();
		form.setImage(PDEPlugin.getDefault().getLabelProvider().get(PDEPluginImages.DESC_REQ_PLUGINS_OBJ));
		form.setText(PDEUIMessages.DependenciesPage_title);
		Composite body = form.getBody();
		body.setLayout(FormLayoutFactory.createFormGridLayout(true, 2));
		Composite left, right;
		FormToolkit toolkit = managedForm.getToolkit();
		left = toolkit.createComposite(body, SWT.NONE);
		left.setLayout(FormLayoutFactory.createFormPaneGridLayout(false, 1));
		left.setLayoutData(new GridData(GridData.FILL_BOTH));
		right = toolkit.createComposite(body, SWT.NONE);
		right.setLayout(FormLayoutFactory.createFormPaneGridLayout(false, 1));
		right.setLayoutData(new GridData(GridData.FILL_BOTH));

		this.bundleImportPackageSection = new BundleImportPackageSection(this, left);
		this.bundleImportSection = new BundleImportSection(this, right);
		this.bundleImportLibrarySection = new BundleImportLibrarySection(this, right);

		managedForm.addPart(bundleImportPackageSection);
		managedForm.addPart(bundleImportSection);
		managedForm.addPart(bundleImportLibrarySection);

		IPluginModelBase model = (IPluginModelBase) ((BundleManifestEditor) this.getEditor()).getAggregateModel();
		resource = model.getUnderlyingResource();
		updateFormText();
	}

	public void manifestSaved() {
		if (resource != null) {
			updateFormText();
		}
	}

	protected void updateFormText() {
		try {
			// Wait for build
			Job.getJobManager().join(ResourcesPlugin.FAMILY_AUTO_BUILD, null);
		}
		catch (OperationCanceledException e) {
			StatusHandler.log(new Status(Status.ERROR, ServerIdeUiPlugin.PLUGIN_ID,
					"Could not update page title text", e));
		}
		catch (InterruptedException e) {
			// Nothing to do?
		}

		try {
			if (resource != null) {
				IMarker[] markers = resource.findMarkers(null, true, IResource.DEPTH_ZERO);
				if (ManifestEditorUtils.hasErrorSeverityMarker(markers)) {
					form.setText(MANIFEST_ERRORS);
					form.setImage(ServerIdeUiPlugin.getImage("full/obj16/manifest_error.png"));
				}
				else {
					form.setText(PDEUIMessages.DependenciesPage_title);
					form.setImage(ServerIdeUiPlugin.getImage("full/obj16/osgi_obj.gif"));
				}
			}
		}
		catch (CoreException e) {
			StatusHandler.log(new Status(Status.ERROR, ServerIdeUiPlugin.PLUGIN_ID,
					"Could not update page title text", e));
		}

	}

	/** For JUnit testing only * */
	public BundleImportPackageSection getBundleImportPackageSection() {
		return bundleImportPackageSection;
	}

	/** For JUnit testing only * */
	public BundleImportSection getBundleImportSection() {
		return bundleImportSection;
	}

	/** For JUnit testing only * */
	public BundleImportLibrarySection getBundleImportLibrarySection() {
		return bundleImportLibrarySection;
	}

}