org.eclipse.php.internal.ui.actions.ConfigurePHPIncludePathAction.java Source code

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Here is the source code for org.eclipse.php.internal.ui.actions.ConfigurePHPIncludePathAction.java

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/*******************************************************************************
 * Copyright (c) 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
 *     Zend Technologies
 *******************************************************************************/
package org.eclipse.php.internal.ui.actions;

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.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.*;
import org.eclipse.php.internal.core.includepath.IncludePath;
import org.eclipse.php.internal.ui.PHPUIMessages;
import org.eclipse.php.internal.ui.explorer.PHPExplorerContentProvider.IncludePathContainer;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.dialogs.PreferencesUtil;

public class ConfigurePHPIncludePathAction extends Action implements ISelectionChangedListener {

    private final IWorkbenchSite fSite;
    private IProject fProject;

    public ConfigurePHPIncludePathAction(IWorkbenchSite site) {
        super(PHPUIMessages.ConfigureIncludePathAction_label, DLTKPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH);
        setToolTipText(PHPUIMessages.ConfigureIncludePathAction_tooltip);
        setDisabledImageDescriptor(DLTKPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH);
        fSite = site;
    }

    private Shell getShell() {
        return fSite.getShell();
    }

    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("IncludepathProperties")) { //$NON-NLS-1$
                    // recreate dialog and select page found
                    dialog.close();
                    dialog = PreferencesUtil.createPropertyDialogOn(getShell(), fProject, nodeId, null, null);
                    break;
                }
            }
            dialog.open();
        }
    }

    /**
     * {@inheritDoc}
     */
    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 IncludePath) {
            return ((IncludePath) firstElement).getProject();
        } else if (firstElement instanceof IncludePathContainer) {
            return ((IncludePathContainer) firstElement).getScriptProject().getProject();
        } else if (firstElement instanceof IAdaptable) {
            IResource res = (IResource) ((IAdaptable) firstElement).getAdapter(IResource.class);
            if (res != null) {
                return res.getProject();
            }
        }
        return null;
    }

}