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package org.eclipse.debug.internal.ui;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.util.Iterator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.*;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.*;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.help.WorkbenchHelp;
/**
* This wizard is used when the debug or run button is pressed, and
* the launcher/element resolution is not 1:1. It allows the user to
* choose a launcher and element to launch.
*
* <p>The renderer used to render elements to launch is pluggable,
* allowing launchers to provide custom renderers for the elements
* they can launch.
*/
public class LaunchWizard extends Wizard {
//NLS
private static final String PREFIX = "launch_wizard.";
private static final String DEBUG = PREFIX + "title.debug";
private static final String RUN = PREFIX + "title.run";
/**
* The collection of available launchers
*/
protected Object[] fLaunchers;
/**
* The selection providing context to determine launchables
*/
protected IStructuredSelection fSelection;
/**
* The launch page
*/
protected LaunchWizardSelectionPage fPage;
/**
* The mode of the wizard.
* @see ExecutionAction#getMode()
*/
protected String fMode;
/**
* The old default launcher set for the <code>IProject</code>
* associated with the current selection.
*/
protected ILauncher fOldDefaultLauncher= null;
/**
* Indicates if the default launcher has been set for the <code>IProject</code>
* associated with the current selection.
*/
protected boolean fDefaultLauncherSet= false;
/**
* Indicates if the wizard needs to determine the launcher to use
*/
protected boolean fSelectLauncher;
/**
* Constructs a wizard with a set of launchers, a selection, a mode
* and whether to select a launcher.
*/
public LaunchWizard(Object[] allLaunchers, IStructuredSelection selection, String mode, boolean selectLauncher) {
fSelectLauncher= selectLauncher;
fLaunchers= allLaunchers;
fSelection= selection;
fMode= mode;
initialize();
}
public LaunchWizard(Object[] allLaunchers, IStructuredSelection selection, String mode) {
this(allLaunchers, selection, mode, true);
}
public void createPageControls(Composite pageContainer) {
super.createPageControls(pageContainer);
WorkbenchHelp.setHelp(
pageContainer,
new Object[] { IDebugHelpContextIds.LAUNCH_WIZARD });
}
protected void initialize() {
setNeedsProgressMonitor(true);
setForcePreviousAndNextButtons(true);
if (fMode.equals(ILaunchManager.DEBUG_MODE)) {
setWindowTitle(DebugUIUtils.getResourceString(DEBUG));
} else {
setWindowTitle(DebugUIUtils.getResourceString(RUN));
}
setDefaultPageImageDescriptor(DebugPluginImages.getImageDescriptor(IDebugUIConstants.IMG_OBJS_LAUNCH_DEBUG));
}
/**
* @see Wizard#addPages
*/
public void addPages() {
if (fSelection == null || fSelection.isEmpty()) {
addPage(new LaunchWizardProjectSelectionPage(fMode));
}
if (fSelectLauncher) {
addPage(fPage= new LaunchWizardSelectionPage(fLaunchers, fMode));
}
}
public IStructuredSelection getSelection() {
return fSelection;
}
/**
* Updates the default launcher if required - i.e. if the checkbox is
* checked.
*/
public void updateDefaultLauncher() {
IProject project= getProject();
if (fSelectLauncher && fPage.fSetAsDefaultLauncher.getSelection()) {
ILauncher launcher= fPage.getLauncher();
if (launcher != null) {
try {
fOldDefaultLauncher= DebugPlugin.getDefault().getLaunchManager().getDefaultLauncher(project);
DebugPlugin.getDefault().getLaunchManager().setDefaultLauncher(project, launcher);
fDefaultLauncherSet= true;
} catch (CoreException e) {
}
}
}
}
/**
* Returns the <code>IProject</code> that is associated with the context selection,
* or <code>null</code> if there is no single project associated with the selection.
*/
protected IProject getProject() {
if (fSelection == null) {
return null;
}
IProject project= null;
Iterator elements= fSelection.iterator();
while (elements.hasNext()) {
Object e= elements.next();
IResource res= null;
if (e instanceof IAdaptable) {
res= (IResource) ((IAdaptable) e).getAdapter(IResource.class);
if (res == null) {
res= (IResource) ((IAdaptable) e).getAdapter(IProject.class);
}
}
if (res != null) {
IProject p= res.getProject();
if (project == null) {
project= p;
} else
if (!project.equals(p)) {
return null;
}
}
}
return project;
}
/**
* @see IWizard#performFinish
*/
public boolean performFinish() {
if (!fDefaultLauncherSet) {
updateDefaultLauncher();
}
return true;
}
/**
* @see IWizard#performCancel
*/
public boolean performCancel() {
if (fDefaultLauncherSet) {
try {
DebugPlugin.getDefault().getLaunchManager().setDefaultLauncher(getProject(), fOldDefaultLauncher);
} catch (CoreException e) {
return false;
}
fDefaultLauncherSet= false;
}
return true;
}
/**
* Sets the selection that is the context for the launch.
*/
public void setProjectSelection(IStructuredSelection selection) {
fSelection= selection;
if (fPage != null) {
fPage.updateDefaultProject();
}
}
/**
* @see IWizard#getNextPage(IWizardPage)
*/
public IWizardPage getNextPage(IWizardPage page) {
if (!fSelectLauncher) {
IWizardNode node= new LaunchWizardNode(page, (ILauncher)fLaunchers[0], fMode);
IWizard wizard = node.getWizard();
wizard.addPages();
return wizard.getStartingPage();
}
return super.getNextPage(page);
}
/**
* @see IWizard#canFinish()
*/
public boolean canFinish() {
//it is the nested wizard that will finish
return false;
}
}
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