/*******************************************************************************
* Copyright (c) 2000, 2016 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.ui.wizards.buildpath.newsourcepage;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IProjectFragment;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ScriptModelUtil;
import org.eclipse.dltk.internal.ui.scriptview.BuildPathContainer;
import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.preference.IPreferenceNode;
import org.eclipse.jface.preference.PreferenceDialog;
import org.eclipse.jface.preference.PreferenceManager;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.dialogs.PreferencesUtil;
public class ConfigureBuildPathAction extends Action implements
ISelectionChangedListener {
private final IWorkbenchSite fSite;
private IProject fProject;
public ConfigureBuildPathAction(IWorkbenchSite site) {
super(
NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ConfigureBP_label,
DLTKPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_ConfigureBP_tooltip);
setDisabledImageDescriptor(DLTKPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH);
fSite = site;
}
private Shell getShell() {
return fSite.getShell();
}
@Override
public void run() {
if (fProject != null) {
// TODO retrieve the page id via project nature
PreferenceDialog dialog = PreferencesUtil.createPropertyDialogOn(
getShell(), fProject, null, null, null);
// search for the language specific page
final List elements = dialog.getPreferenceManager().getElements(
PreferenceManager.PRE_ORDER);
for (Iterator i = elements.iterator(); i.hasNext();) {
final IPreferenceNode node = (IPreferenceNode) i.next();
final String nodeId = node.getId();
if (nodeId.endsWith("BuildpathProperties")) { //$NON-NLS-1$
// recreate dialog and select page found
dialog.close();
dialog = PreferencesUtil.createPropertyDialogOn(getShell(),
fProject, nodeId, null, null);
break;
}
}
dialog.open();
}
}
@Override
public void selectionChanged(final SelectionChangedEvent event) {
final ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
setEnabled(canHandle((IStructuredSelection) selection));
} else {
setEnabled(canHandle(StructuredSelection.EMPTY));
}
}
private boolean canHandle(IStructuredSelection elements) {
if (elements.size() != 1)
return false;
Object firstElement = elements.getFirstElement();
fProject = getProjectFromSelectedElement(firstElement);
return fProject != null;
}
private IProject getProjectFromSelectedElement(Object firstElement) {
if (firstElement instanceof IModelElement) {
IModelElement element = (IModelElement) firstElement;
IProjectFragment root = ScriptModelUtil.getProjectFragment(element);
if (root != null && root != element && root.isArchive()) {
return null;
}
IScriptProject project = element.getScriptProject();
if (project != null) {
return project.getProject();
}
return null;
} else if (firstElement instanceof BuildPathContainer) {
return ((BuildPathContainer) firstElement).getScriptProject()
.getProject();
} else if (firstElement instanceof IAdaptable) {
IResource res = ((IAdaptable) firstElement)
.getAdapter(IResource.class);
if (res != null) {
return res.getProject();
}
}
return null;
}
}