Java tutorial
/* * Copyright (C) 2012 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.motorola.studio.android.codeutils.wizards; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.ArrayList; import java.util.List; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.internal.ui.dialogs.StatusUtil; import org.eclipse.jdt.ui.wizards.NewTypeWizardPage; import org.eclipse.swt.widgets.Composite; import com.motorola.studio.android.codeutils.CodeUtilsActivator; import com.motorola.studio.android.codeutils.i18n.CodeUtilsNLS; import com.motorola.studio.android.common.log.StudioLogger; import com.motorola.studio.android.common.utilities.EclipseUtils; /** * <p> * Class which holds a Source/Package selection part. It is a workaround * in order to use Source/Package selection twice in the same page of * a certain wizard. * </p> * <p> * Despite the fact the this class implements <code>NewTypeWizardPage</code>, it * should be be used as a wizard. It is to be used as a part of it to add a * Source/Package functionality. * </p> */ @SuppressWarnings("restriction") public class SourcePackageChooserPartWizard extends NewTypeWizardPage { /** * Command representing the event of a message dispatched. */ public static final String MESSAGE_DISPATCHED_ACTION = "MESSAGE_DISPATCHED"; /** * Id representing the action of a message dispatched. */ public static final int MESSAGE_DISPATCHED_ID_ACTION = 0; private int numColumnsGridLayout = 0; private final List<ActionListener> messageActionListenerList = new ArrayList<ActionListener>(); private IStatus mostSevereStatus; /** * Get the most severe status of this Part Page. * * @return The most severe status. */ public IStatus getMostSevereStatus() { return mostSevereStatus; } /** * Constructor. * * @param pageName Page Name * @param project Project related to the wizard * @param defaultPackageName The name of the default package to use * on the package field * @param parent The parent composite * @param numColumnsGridLayout The number of columns on the grid layout */ public SourcePackageChooserPartWizard(String pageName, IProject project, String defaultPackageName, Composite parent, int numColumnsGridLayout) { super(true, pageName); // set description and title setDescription(CodeUtilsNLS.UI_PersistenceWizardPageDescriptionDeploy); setTitle(CodeUtilsNLS.UI_PersistenceWizardPageTitleDeploy); // set attributes this.numColumnsGridLayout = numColumnsGridLayout; if (project != null) { // get the java project IJavaProject javaProject = JavaCore.create(project); IPackageFragmentRoot[] possibleRoots = null; // continue in case it does exist if (javaProject != null) { try { // get all possible roots possibleRoots = javaProject.getPackageFragmentRoots(); // select the first one, in case it does exist if ((possibleRoots != null) && (possibleRoots.length > 0)) { // set the first one setPackageFragmentRoot(possibleRoots[0], true); } } catch (JavaModelException e) { StudioLogger.error(this.getClass(), CodeUtilsNLS.Db_GenerateManagementClassesError, e); IStatus status = new Status(IStatus.ERROR, CodeUtilsActivator.PLUGIN_ID, e.getLocalizedMessage()); EclipseUtils.showErrorDialog(CodeUtilsNLS.Db_GenerateManagementClassesError, CodeUtilsNLS.Db_GenerateManagementClassesError, status); } } } doStatusUpdate(); // create GUI here because since this GUI is an auxiliary one, the interface does not work when created in the org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite method setPackageFragmentRoot(getPackageFragmentRoot(), true); createContainerControls(parent, this.numColumnsGridLayout); boolean defaultPackageUsed = false; if (defaultPackageName != null) { // try to use the manifest package, but if this fails, use the default getPackageFragment() logic try { setPackageFragment(getPackageFragmentRoot().getPackageFragment(defaultPackageName), true); defaultPackageUsed = true; } catch (Exception e) { // do nothing } } if (!defaultPackageUsed) { setPackageFragment(getPackageFragment(), true); } createPackageControls(parent, this.numColumnsGridLayout); } /** * Add an action listener to which notificates the caller * when a message is dispatched. * * @param actionListener Listener to be notified when some field changed. */ public void addMessageNotificationActionListener(ActionListener actionListener) { messageActionListenerList.add(actionListener); } /* * @see NewContainerWizardPage#handleFieldChanged */ @Override protected void handleFieldChanged(String fieldName) { super.handleFieldChanged(fieldName); doStatusUpdate(); ActionEvent actionEvent = new ActionEvent(this, MESSAGE_DISPATCHED_ID_ACTION, MESSAGE_DISPATCHED_ACTION); // execute listeners for (ActionListener listener : messageActionListenerList) { listener.actionPerformed(actionEvent); } } private void doStatusUpdate() { // status of all used components IStatus[] status = new IStatus[] { fContainerStatus, isEnclosingTypeSelected() ? fEnclosingTypeStatus : fPackageStatus, }; this.mostSevereStatus = StatusUtil.getMostSevere(status); if (this.mostSevereStatus != null) { StatusUtil.applyToStatusLine(this, this.mostSevereStatus); } } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ public void createControl(Composite parent) { // do nothing } }