| /******************************************************************************* |
| * Copyright (c) 2000, 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 org.eclipse.ui.internal.dialogs; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.SafeRunner; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.util.SafeRunnable; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.wizard.IWizard; |
| import org.eclipse.jface.wizard.IWizardNode; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IPluginContribution; |
| import org.eclipse.ui.IWorkbench; |
| import org.eclipse.ui.IWorkbenchWizard; |
| import org.eclipse.ui.internal.WorkbenchMessages; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.internal.util.Util; |
| import org.eclipse.ui.statushandlers.StatusAdapter; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| import org.eclipse.ui.wizards.IWizardDescriptor; |
| |
| /** |
| * A wizard node represents a "potential" wizard. Wizard nodes |
| * are used by wizard selection pages to allow the user to pick |
| * from several available nested wizards. |
| * <p> |
| * <b>Subclasses</b> simply need to override method <code>createWizard()</code>, |
| * which is responsible for creating an instance of the wizard it represents |
| * AND ensuring that this wizard is the "right" type of wizard (e.g.- |
| * New, Import, etc.).</p> |
| */ |
| public abstract class WorkbenchWizardNode implements IWizardNode, |
| IPluginContribution { |
| protected WorkbenchWizardSelectionPage parentWizardPage; |
| |
| protected IWizard wizard; |
| |
| protected IWizardDescriptor wizardElement; |
| |
| /** |
| * Creates a <code>WorkbenchWizardNode</code> that holds onto a wizard |
| * element. The wizard element provides information on how to create |
| * the wizard supplied by the ISV's extension. |
| * |
| * @param aWizardPage the wizard page |
| * @param element the wizard descriptor |
| */ |
| public WorkbenchWizardNode(WorkbenchWizardSelectionPage aWizardPage, |
| IWizardDescriptor element) { |
| super(); |
| this.parentWizardPage = aWizardPage; |
| this.wizardElement = element; |
| } |
| |
| /** |
| * Returns the wizard represented by this wizard node. <b>Subclasses</b> |
| * must override this method. |
| * |
| * @return the wizard object |
| * @throws CoreException |
| */ |
| public abstract IWorkbenchWizard createWizard() throws CoreException; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.wizard.IWizardNode#dispose() |
| */ |
| public void dispose() { |
| // Do nothing since the wizard wasn't created via reflection. |
| } |
| |
| /** |
| * Returns the current resource selection that is being given to the wizard. |
| */ |
| protected IStructuredSelection getCurrentResourceSelection() { |
| return parentWizardPage.getCurrentResourceSelection(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.wizard.IWizardNode#getExtent() |
| */ |
| public Point getExtent() { |
| return new Point(-1, -1); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getLocalId() |
| */ |
| public String getLocalId() { |
| IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement, |
| IPluginContribution.class); |
| if (contribution != null) { |
| return contribution.getLocalId(); |
| } |
| return wizardElement.getId(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IPluginContribution#getPluginId() |
| */ |
| public String getPluginId() { |
| IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement, |
| IPluginContribution.class); |
| if (contribution != null) { |
| return contribution.getPluginId(); |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.wizard.IWizardNode#getWizard() |
| */ |
| public IWizard getWizard() { |
| if (wizard != null) { |
| return wizard; // we've already created it |
| } |
| |
| final IWorkbenchWizard[] workbenchWizard = new IWorkbenchWizard[1]; |
| final IStatus statuses[] = new IStatus[1]; |
| // Start busy indicator. |
| BusyIndicator.showWhile(parentWizardPage.getShell().getDisplay(), |
| new Runnable() { |
| public void run() { |
| SafeRunner.run(new SafeRunnable() { |
| /** |
| * Add the exception details to status is one happens. |
| */ |
| public void handleException(Throwable e) { |
| IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement, IPluginContribution.class); |
| statuses[0] = new Status( |
| IStatus.ERROR, |
| contribution != null ? contribution.getPluginId() : WorkbenchPlugin.PI_WORKBENCH, |
| IStatus.OK, |
| WorkbenchMessages.WorkbenchWizard_errorMessage, |
| e); |
| } |
| |
| public void run() { |
| try { |
| workbenchWizard[0] = createWizard(); |
| // create instance of target wizard |
| } catch (CoreException e) { |
| IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement, IPluginContribution.class); |
| statuses[0] = new Status( |
| IStatus.ERROR, |
| contribution != null ? contribution.getPluginId() : WorkbenchPlugin.PI_WORKBENCH, |
| IStatus.OK, |
| WorkbenchMessages.WorkbenchWizard_errorMessage, |
| e); |
| } |
| } |
| }); |
| } |
| }); |
| |
| if (statuses[0] != null) { |
| parentWizardPage |
| .setErrorMessage(WorkbenchMessages.WorkbenchWizard_errorMessage); |
| StatusAdapter statusAdapter = new StatusAdapter(statuses[0]); |
| statusAdapter.addAdapter(Shell.class, parentWizardPage.getShell()); |
| statusAdapter.setProperty(StatusAdapter.TITLE_PROPERTY, |
| WorkbenchMessages.WorkbenchWizard_errorTitle); |
| StatusManager.getManager() |
| .handle(statusAdapter, StatusManager.SHOW); |
| return null; |
| } |
| |
| IStructuredSelection currentSelection = getCurrentResourceSelection(); |
| |
| //Get the adapted version of the selection that works for the |
| //wizard node |
| currentSelection = wizardElement.adaptedSelection(currentSelection); |
| |
| workbenchWizard[0].init(getWorkbench(), currentSelection); |
| |
| wizard = workbenchWizard[0]; |
| return wizard; |
| } |
| |
| /** |
| * Returns the wizard element. |
| * |
| * @return the wizard descriptor |
| */ |
| public IWizardDescriptor getWizardElement() { |
| return wizardElement; |
| } |
| |
| /** |
| * Returns the current workbench. |
| */ |
| protected IWorkbench getWorkbench() { |
| return parentWizardPage.getWorkbench(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.wizard.IWizardNode#isContentCreated() |
| */ |
| public boolean isContentCreated() { |
| return wizard != null; |
| } |
| } |