/*******************************************************************************
* Copyright (c) 2000, 2011 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.jdt.internal.ui.actions;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.ui.IActionDelegate2;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.NewProjectAction;
import org.eclipse.ui.dialogs.SelectionDialog;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.search.IJavaSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.IJavaStatusConstants;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.JavaPluginImages;
import org.eclipse.jdt.internal.ui.JavaUIMessages;
import org.eclipse.jdt.internal.ui.dialogs.OpenTypeSelectionDialog;
import org.eclipse.jdt.internal.ui.util.ExceptionHandler;
public class OpenTypeAction extends Action implements IWorkbenchWindowActionDelegate, IActionDelegate2 {
public OpenTypeAction() {
super();
setText(JavaUIMessages.OpenTypeAction_label);
setDescription(JavaUIMessages.OpenTypeAction_description);
setToolTipText(JavaUIMessages.OpenTypeAction_tooltip);
setImageDescriptor(JavaPluginImages.DESC_TOOL_OPENTYPE);
PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.OPEN_TYPE_ACTION);
}
@Override
public void run() {
runWithEvent(null);
}
@Override
public void runWithEvent(Event e) {
Shell parent= JavaPlugin.getActiveWorkbenchShell();
if (! doCreateProjectFirstOnEmptyWorkspace(parent)) {
return;
}
SelectionDialog dialog= new OpenTypeSelectionDialog(parent, true, PlatformUI.getWorkbench().getProgressService(), null, IJavaSearchConstants.TYPE);
dialog.setTitle(JavaUIMessages.OpenTypeAction_dialogTitle);
dialog.setMessage(JavaUIMessages.OpenTypeAction_dialogMessage);
int result= dialog.open();
if (result != IDialogConstants.OK_ID)
return;
Object[] types= dialog.getResult();
if (types == null || types.length == 0)
return;
if (types.length == 1) {
try {
JavaUI.openInEditor((IJavaElement)types[0], true, true);
} catch (CoreException x) {
ExceptionHandler.handle(x, JavaUIMessages.OpenTypeAction_errorTitle, JavaUIMessages.OpenTypeAction_errorMessage);
}
return;
}
final IWorkbenchPage workbenchPage= JavaPlugin.getActivePage();
if (workbenchPage == null) {
IStatus status= new Status(IStatus.ERROR, JavaPlugin.getPluginId(), JavaUIMessages.OpenTypeAction_no_active_WorkbenchPage);
ExceptionHandler.handle(status, JavaUIMessages.OpenTypeAction_errorTitle, JavaUIMessages.OpenTypeAction_errorMessage);
return;
}
MultiStatus multiStatus= new MultiStatus(JavaPlugin.getPluginId(), IJavaStatusConstants.INTERNAL_ERROR, JavaUIMessages.OpenTypeAction_multiStatusMessage, null);
for (int i= 0; i < types.length; i++) {
IType type= (IType)types[i];
try {
JavaUI.openInEditor(type, true, true);
} catch (CoreException x) {
multiStatus.merge(x.getStatus());
}
}
if (!multiStatus.isOK())
ExceptionHandler.handle(multiStatus, JavaUIMessages.OpenTypeAction_errorTitle, JavaUIMessages.OpenTypeAction_errorMessage);
}
/**
* Opens the new project dialog if the workspace is empty.
* @param parent the parent shell
* @return returns <code>true</code> when a project has been created, or <code>false</code> when the
* new project has been canceled.
*/
protected boolean doCreateProjectFirstOnEmptyWorkspace(Shell parent) {
IWorkspaceRoot workspaceRoot= ResourcesPlugin.getWorkspace().getRoot();
if (workspaceRoot.getProjects().length == 0) {
String title= JavaUIMessages.OpenTypeAction_dialogTitle;
String message= JavaUIMessages.OpenTypeAction_createProjectFirst;
if (MessageDialog.openQuestion(parent, title, message)) {
new NewProjectAction().run();
return workspaceRoot.getProjects().length != 0;
}
return false;
}
return true;
}
// ---- IWorkbenchWindowActionDelegate
// ------------------------------------------------
public void run(IAction action) {
run();
}
public void dispose() {
// do nothing.
}
public void init(IWorkbenchWindow window) {
// do nothing.
}
public void selectionChanged(IAction action, ISelection selection) {
// do nothing. Action doesn't depend on selection.
}
// ---- IActionDelegate2
// ------------------------------------------------
public void runWithEvent(IAction action, Event event) {
runWithEvent(event);
}
public void init(IAction action) {
// do nothing.
}
}