Java tutorial
/** * This file Copyright (c) 2005-2008 Aptana, Inc. This program is * dual-licensed under both the Aptana Public License and the GNU General * Public license. You may elect to use one or the other of these licenses. * * This program is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. Redistribution, except as permitted by whichever of * the GPL or APL you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or modify this * program under the terms of the GNU General Public License, * Version 3, as published by the Free Software Foundation. You should * have received a copy of the GNU General Public License, Version 3 along * with this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Aptana provides a special exception to allow redistribution of this file * with certain Eclipse Public Licensed code and certain additional terms * pursuant to Section 7 of the GPL. You may view the exception and these * terms on the web at http://www.aptana.com/legal/gpl/. * * 2. For the Aptana Public License (APL), this program and the * accompanying materials are made available under the terms of the APL * v1.0 which accompanies this distribution, and is available at * http://www.aptana.com/legal/apl/. * * You may view the GPL, Aptana's exception and additional terms, and the * APL in the file titled license.html at the root of the corresponding * plugin containing this source file. * * Any modifications to this file must keep this entire header intact. */ package com.aptana.ide.server.jetty; import java.io.IOException; import java.net.URL; import java.text.MessageFormat; import java.util.Map; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.FileLocator; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.core.runtime.IExtension; import org.eclipse.core.runtime.IExtensionPoint; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.swt.SWT; import org.eclipse.swt.browser.Browser; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IPerspectiveDescriptor; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PartInitException; import org.eclipse.ui.WorkbenchException; import org.eclipse.ui.progress.UIJob; import com.aptana.ide.core.ui.CoreUIUtils; import com.aptana.ide.server.jetty.comet.CometClient; /** * @author Kevin Sawicki (ksawicki@aptana.com) * @author Chris Williams (cwilliams@aptana.com) */ public class ShowPerspectiveClient extends CometClient { public static final String PROPERTY_KEY = "CloudSiteId"; //$NON-NLS-1$ private static final String SHOW_PERSPECTIVE = "/portal/perspectives/show"; //$NON-NLS-1$ private static final String ID = "id"; //$NON-NLS-1$ private static final String VIEW_ID = "viewId"; //$NON-NLS-1$ private static final String EXTRA = "extra"; //$NON-NLS-1$ private static final String SITE_ID = "siteId"; //$NON-NLS-1$ /** * @see com.aptana.ide.server.jetty.comet.CometClient#getID(java.lang.String) */ protected String getID(String msgId) { return null; } /** * @see com.aptana.ide.server.jetty.comet.CometClient#getResponse(java.lang.String, java.lang.Object) */ protected Object getResponse(String toChannel, Object request) { if (SHOW_PERSPECTIVE.equals(toChannel)) { if (request instanceof Map) { Map<String, Object> requestData = (Map<String, Object>) request; if (requestData.containsKey(ID)) { final String id = requestData.get(ID).toString(); String view = null; if (requestData.containsKey(VIEW_ID)) { view = requestData.get(VIEW_ID).toString(); } final String viewId = view; String site = null; Object extras = requestData.get(EXTRA); if (extras instanceof Map) { Map<String, Object> extraData = (Map<String, Object>) extras; if (extraData.containsKey(SITE_ID)) { site = extraData.get(SITE_ID).toString(); } } (new InstanceScope()).getNode(ResourcesPlugin.PI_RESOURCES).put(PROPERTY_KEY, site); UIJob job = new UIJob("Opening perspective") //$NON-NLS-1$ { public IStatus runInUIThread(IProgressMonitor monitor) { if (shouldSwitchPerspective(id)) { try { JettyPlugin.getDefault().getWorkbench().showPerspective(id, JettyPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow()); } catch (WorkbenchException e) { } } if (viewId != null) { try { CoreUIUtils.showView(viewId); } catch (PartInitException e) { } } return Status.OK_STATUS; } }; job.schedule(); } } } return null; } private boolean shouldSwitchPerspective(String id) { if (isCurrentPerspective(JettyPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow(), id)) return false; if (shouldAutoOpen(id)) return true; return promptUser(id); } private boolean promptUser(String id) { Shell shell = JettyPlugin.getDefault().getWorkbench().getActiveWorkbenchWindow().getShell(); MessageDialogWithToggle dialog = new MessageDialogWithToggle(shell, Messages.ShowPerspectiveClient_1, null, // accept the default window icon MessageFormat.format(Messages.ShowPerspectiveClient_2, getPerspectiveName(id)), MessageDialogWithToggle.QUESTION, new String[] { IDialogConstants.YES_LABEL, IDialogConstants.NO_LABEL, IDialogConstants.CANCEL_LABEL }, 0, // YES is the default null, false) { @Override protected Control createCustomArea(Composite parent) { try { URL url = JettyPlugin.getDefault().getBundle().getEntry("/icons/animation.gif"); //$NON-NLS-1$ url = FileLocator.toFileURL(url); Browser animation = new Browser(parent, SWT.NULL); animation.setText("<html>" + //$NON-NLS-1$ "<body style='margin: 0; padding:0; border: 1px solid black' >" + //$NON-NLS-1$ "<center>" + //$NON-NLS-1$ "<img src='" + url.toExternalForm() + "' />" + //$NON-NLS-1$ //$NON-NLS-2$ "</center>" + //$NON-NLS-1$ "</body>" + //$NON-NLS-1$ "</html>" //$NON-NLS-1$ ); GridData gridData = new GridData(SWT.CENTER, SWT.CENTER, true, false); gridData.widthHint = 311 + 2; // 2 for border gridData.heightHint = 169 + 2; // 2 for border animation.setLayoutData(gridData); return animation; } catch (IOException e) { } Label animation = new Label(parent, SWT.CENTER); animation.setImage(JettyPlugin.getImage("/icons/animation.gif")); //$NON-NLS-1$ GridData gridData = new GridData(SWT.FILL, SWT.TOP, true, false); animation.setLayoutData(gridData); return animation; } }; dialog.setPrefStore(JettyPlugin.getDefault().getPreferenceStore()); dialog.setPrefKey(getPrefKey(id)); dialog.open(); return (dialog.getReturnCode() == IDialogConstants.YES_ID); } private String getPerspectiveName(String id) { IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint("org.eclipse.ui", //$NON-NLS-1$ "perspectives"); //$NON-NLS-1$ if (extension == null) return id; IExtension[] extensions = extension.getExtensions(); // for all extensions of this point... for (int i = 0; i < extensions.length; i++) { IConfigurationElement[] configElements = extensions[i].getConfigurationElements(); for (int j = 0; j < configElements.length; j++) { final IConfigurationElement configElement = configElements[j]; if (id.equals(configElement.getAttribute("id"))) //$NON-NLS-1$ { return configElement.getAttribute("name"); //$NON-NLS-1$ } } } return id; } private boolean shouldAutoOpen(final String id) { String value = JettyPlugin.getDefault().getPreferenceStore().getString(getPrefKey(id)); if (value == null) return false; return value.equals(MessageDialogWithToggle.ALWAYS); } private String getPrefKey(String id) { return id + ".auto_open"; //$NON-NLS-1$ } /** * @see com.aptana.ide.server.jetty.comet.CometClient#getSubscriptionIDs() */ protected String[] getSubscriptionIDs() { return new String[] { SHOW_PERSPECTIVE }; } /** * Returns whether the given perspective identifier matches the identifier of the current perspective. * * @param window * @param perspectiveId * the identifier * @return whether the given perspective identifier matches the identifier of the current perspective */ protected boolean isCurrentPerspective(IWorkbenchWindow window, String perspectiveId) { boolean isCurrent = false; if (window != null) { IWorkbenchPage page = window.getActivePage(); if (page != null) { IPerspectiveDescriptor perspectiveDescriptor = page.getPerspective(); if (perspectiveDescriptor != null) { isCurrent = perspectiveId.equals(perspectiveDescriptor.getId()); } } } return isCurrent; } }