/*
* ====================================================================
*
* The ObjectStyle Group Software License, Version 1.0
*
* Copyright (c) 2006 The ObjectStyle Group and individual authors of the
* software. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowlegement: "This product includes software
* developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
* this acknowlegement may appear in the software itself, if and wherever such
* third-party acknowlegements normally appear.
*
* 4. The names "ObjectStyle Group" and "Cayenne" must not be used to endorse or
* promote products derived from this software without prior written permission.
* For written permission, please contact andrus@objectstyle.org.
*
* 5. Products derived from this software may not be called "ObjectStyle" nor
* may "ObjectStyle" appear in their names without prior written permission of
* the ObjectStyle Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* OBJECTSTYLE GROUP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals on
* behalf of the ObjectStyle Group. For more information on the ObjectStyle
* Group, please see <http://objectstyle.org/>.
*
*/
package org.objectstyle.wolips.eomodeler.eclipse;
import java.util.Iterator;
import org.eclipse.core.resources.IFolder;
import org.eclipse.jdt.internal.core.util.WeakHashSet;
import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IPageListener;
import org.eclipse.ui.IPartListener2;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.objectstyle.wolips.eomodeler.Activator;
import org.objectstyle.wolips.eomodeler.EOModelerPerspectiveFactory;
import org.objectstyle.wolips.eomodeler.actions.OpenEntityModelerAction;
import org.objectstyle.wolips.eomodeler.editors.EOModelEditor;
import org.objectstyle.wolips.eomodeler.preferences.PreferenceConstants;
import org.objectstyle.wolips.ui.actions.OpenWOAction;
import org.objectstyle.wolips.ui.view.PerspectiveFactory;
/**
* Eclipse does not understand how to open a bundle folder. This handler sneaks
* in and listens to double-click events on Package Explorer to try and provide
* that missing ability for EOModel folders and WO component folders.
*
* @author mschrag
*/
public class PackageExplorerDoubleClickHandler implements IPageListener, IPartListener2, IDoubleClickListener, IWindowListener {
private WeakHashSet _listeningPackageExplorers;
public PackageExplorerDoubleClickHandler() {
_listeningPackageExplorers = new WeakHashSet();
}
public void registerListeners() {
IWorkbench workbench = PlatformUI.getWorkbench();
workbench.addWindowListener(this);
IWorkbenchWindow[] windows = workbench.getWorkbenchWindows();
for (IWorkbenchWindow window : windows) {
windowOpened(window, true);
}
}
public void windowActivated(IWorkbenchWindow window) {
// do nothing
}
public void windowClosed(IWorkbenchWindow window) {
window.removePageListener(this);
}
public void windowDeactivated(IWorkbenchWindow window) {
// do nothing
}
public void windowOpened(IWorkbenchWindow window) {
windowOpened(window, false);
}
public void windowOpened(final IWorkbenchWindow window, boolean startup) {
window.addPageListener(this);
IWorkbenchPage[] pages = window.getPages();
for (int i = 0; i < pages.length; i++) {
IWorkbenchPage page = pages[i];
pageOpened(page);
}
// MS: Eclipse has a bug where it doesn't preserve the selected perspective for all windows,
// rather it preserves the most recently selected perspective and applies it to all windows.
// So we want to catch when Eclipse starts up and look for any windows that are set to the
// Entity Modeler perspective, but that don't have any Entity Modeler editors in them, and
// change those perspectives back to the WOLips perspective. We also only want to do this
// on windows at startup, so we don't swap back an "Open Entity Modeler in New Window" window.
if (startup && Activator.getDefault().getPreferenceStore().getBoolean(PreferenceConstants.CHANGE_PERSPECTIVES_KEY)) {
IWorkbenchPage activePage = window.getActivePage();
if (activePage != null) {
IPerspectiveDescriptor descriptor = activePage.getPerspective();
if (descriptor != null && EOModelerPerspectiveFactory.EOMODELER_PERSPECTIVE_ID.equals(descriptor.getId())) {
IEditorReference[] editorReferences = activePage.getEditorReferences();
boolean containsEntityModeler = false;
for (IEditorReference editorReference : editorReferences) {
if (EOModelEditor.EOMODEL_EDITOR_ID.equals(editorReference.getId())) {
containsEntityModeler = true;
}
}
if (!containsEntityModeler) {
Display.getDefault().asyncExec(new Runnable() {
public void run() {
try {
window.getWorkbench().showPerspective(PerspectiveFactory.WOLIPS_PERSPECTIVE_ID, window);
} catch (Throwable e) {
e.printStackTrace();
}
}
});
}
}
}
}
}
public void pageActivated(IWorkbenchPage _page) {
findAndAttachToPackageExplorerInPage(_page);
_page.addPartListener(this);
}
public void pageClosed(IWorkbenchPage _page) {
_page.removePartListener(this);
}
public void pageOpened(IWorkbenchPage _page) {
_page.addPartListener(this);
findAndAttachToPackageExplorerInPage(_page);
}
public void partActivated(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partBroughtToTop(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partClosed(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partDeactivated(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partHidden(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partInputChanged(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partOpened(IWorkbenchPartReference _partRef) {
// do nothing
}
public void partVisible(IWorkbenchPartReference partRef) {
attachToPartIfNecessary(partRef);
}
protected void findAndAttachToPackageExplorerInPage(IWorkbenchPage page) {
IWorkbenchPartReference packageExplorerPartRef = page.findViewReference(JavaUI.ID_PACKAGES);
attachToPartIfNecessary(packageExplorerPartRef);
IWorkbenchPartReference wopackageExplorerPartRef = page.findViewReference(PerspectiveFactory.ID_WO_PACKAGES);
attachToPartIfNecessary(wopackageExplorerPartRef);
}
protected synchronized void attachToPartIfNecessary(IWorkbenchPartReference partReference) {
if (partReference != null && (JavaUI.ID_PACKAGES.equals(partReference.getId()) || PerspectiveFactory.ID_WO_PACKAGES.equals(partReference.getId()))) {
IWorkbenchPart part = partReference.getPart(false);
if (part instanceof PackageExplorerPart) {
PackageExplorerPart packageExplorerPart = (PackageExplorerPart) part;
if (!_listeningPackageExplorers.contains(packageExplorerPart)) {
TreeViewer packageExplorerTreeViewer = packageExplorerPart.getTreeViewer();
if (packageExplorerTreeViewer != null) {
packageExplorerTreeViewer.addDoubleClickListener(this);
_listeningPackageExplorers.add(packageExplorerPart);
}
}
}
}
}
public void doubleClick(DoubleClickEvent _event) {
ISelection selection = _event.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection structuredSelection = (IStructuredSelection) selection;
Iterator selectedObjectsIter = structuredSelection.iterator();
while (selectedObjectsIter.hasNext()) {
Object selectedObj = selectedObjectsIter.next();
if (selectedObj instanceof IFolder) {
IFolder selectedFolder = (IFolder) selectedObj;
if (!OpenEntityModelerAction.openResourceIfPossible(null, selectedFolder)) {
OpenWOAction.openResourceIfPossible(selectedFolder);
}
}
}
}
}
}