/*******************************************************************************
* Copyright (c) 2000, 2009 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.wst.jsdt.internal.ui.wizards.buildpaths.newsourcepage;
import java.util.ArrayList;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.ISetSelectionTarget;
import org.eclipse.wst.jsdt.core.IIncludePathEntry;
import org.eclipse.wst.jsdt.core.IJavaScriptElement;
import org.eclipse.wst.jsdt.core.IJavaScriptProject;
import org.eclipse.wst.jsdt.core.IPackageFragmentRoot;
import org.eclipse.wst.jsdt.core.JavaScriptModelException;
import org.eclipse.wst.jsdt.internal.corext.buildpath.BuildpathDelta;
import org.eclipse.wst.jsdt.internal.corext.buildpath.ClasspathModifier;
import org.eclipse.wst.jsdt.internal.ui.JavaPluginImages;
import org.eclipse.wst.jsdt.internal.ui.util.ExceptionHandler;
import org.eclipse.wst.jsdt.internal.ui.util.PixelConverter;
import org.eclipse.wst.jsdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.CPListElement;
import org.eclipse.wst.jsdt.internal.ui.wizards.buildpaths.EditFilterWizard;
//SelectedElements iff enabled: (IJavaScriptProject || IPackageFragmentRoot) && size == 1
public class EditFilterAction extends BuildpathModifierAction {
public EditFilterAction(IWorkbenchSite site) {
this(site, null, PlatformUI.getWorkbench().getProgressService());
}
public EditFilterAction(IRunnableContext context, ISetSelectionTarget selectionTarget) {
this(null, selectionTarget, context);
}
private EditFilterAction(IWorkbenchSite site, ISetSelectionTarget selectionTarget, IRunnableContext context) {
super(site, selectionTarget, BuildpathModifierAction.EDIT_FILTERS);
setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_label);
setImageDescriptor(JavaPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH_FILTERS);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_tooltip);
setDescription(NewWizardMessages.PackageExplorerActionGroup_FormText_Edit);
setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH_FILTERS);
}
/**
* {@inheritDoc}
*/
public String getDetailedDescription() {
if (!isEnabled())
return null;
return NewWizardMessages.PackageExplorerActionGroup_FormText_Edit;
}
/* (non-Javadoc)
* @see org.eclipse.jface.action.Action#run()
*/
public void run() {
Shell shell= getShell();
try {
EditFilterWizard wizard= createWizard();
wizard.init(PlatformUI.getWorkbench(), new StructuredSelection(getSelectedElements().get(0)));
WizardDialog dialog= new WizardDialog(shell, wizard);
PixelConverter converter= new PixelConverter(JFaceResources.getDialogFont());
dialog.setMinimumPageSize(converter.convertWidthInCharsToPixels(70), converter.convertHeightInCharsToPixels(20));
dialog.create();
int res= dialog.open();
if (res == Window.OK) {
BuildpathDelta delta= new BuildpathDelta(getToolTipText());
ArrayList newEntries= wizard.getExistingEntries();
delta.setNewEntries((CPListElement[])newEntries.toArray(new CPListElement[newEntries.size()]));
IResource resource= wizard.getCreatedElement().getCorrespondingResource();
delta.addCreatedResource(resource);
informListeners(delta);
selectAndReveal(new StructuredSelection(wizard.getCreatedElement()));
}
notifyResult(res == Window.OK);
} catch (CoreException e) {
String title= NewWizardMessages.AbstractOpenWizardAction_createerror_title;
String message= NewWizardMessages.AbstractOpenWizardAction_createerror_message;
ExceptionHandler.handle(e, shell, title, message);
}
}
private EditFilterWizard createWizard() throws CoreException {
IJavaScriptProject javaProject= null;
Object firstElement= getSelectedElements().get(0);
if (firstElement instanceof IJavaScriptProject) {
javaProject= (IJavaScriptProject)firstElement;
} else {
javaProject= ((IPackageFragmentRoot)firstElement).getJavaScriptProject();
}
CPListElement[] existingEntries= CPListElement.createFromExisting(javaProject);
CPListElement elementToEdit= findElement((IJavaScriptElement)firstElement, existingEntries);
return new EditFilterWizard(existingEntries, elementToEdit);
}
private static CPListElement findElement(IJavaScriptElement element, CPListElement[] elements) {
IPath path= element.getPath();
for (int i= 0; i < elements.length; i++) {
CPListElement cur= elements[i];
if (cur.getEntryKind() == IIncludePathEntry.CPE_SOURCE && cur.getPath().equals(path)) {
return cur;
}
}
return null;
}
protected boolean canHandle(IStructuredSelection selection) {
if (selection.size() != 1)
return false;
try {
Object element= selection.getFirstElement();
if (element instanceof IJavaScriptProject) {
return ClasspathModifier.isSourceFolder((IJavaScriptProject)element);
} else if (element instanceof IPackageFragmentRoot) {
IPackageFragmentRoot packageFragmentRoot= ((IPackageFragmentRoot) element);
if (packageFragmentRoot.getKind() != IPackageFragmentRoot.K_SOURCE)
return false;
return packageFragmentRoot.getJavaScriptProject() != null;
}
} catch (JavaScriptModelException e) {
}
return false;
}
}