org.rubypeople.rdt.internal.ui.packageview.GotoResourceAction.java Source code

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Here is the source code for org.rubypeople.rdt.internal.ui.packageview.GotoResourceAction.java

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/*******************************************************************************
 * Copyright (c) 2000, 2005 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.rubypeople.rdt.internal.ui.packageview;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ResourceListSelectionDialog;
import org.rubypeople.rdt.core.IRubyElement;
import org.rubypeople.rdt.core.IRubyModel;
import org.rubypeople.rdt.core.RubyCore;
import org.rubypeople.rdt.internal.ui.IRubyHelpContextIds;

public class GotoResourceAction extends Action {

    private PackageExplorerPart fPackageExplorer;

    private static class GotoResourceDialog extends ResourceListSelectionDialog {
        private IRubyModel fRubyModel;

        public GotoResourceDialog(Shell parentShell, IContainer container, StructuredViewer viewer) {
            super(parentShell, container, IResource.FILE | IResource.FOLDER | IResource.PROJECT);
            fRubyModel = RubyCore.create(ResourcesPlugin.getWorkspace().getRoot());
            setTitle(PackagesMessages.GotoResource_dialog_title);
            PlatformUI.getWorkbench().getHelpSystem().setHelp(parentShell,
                    IRubyHelpContextIds.GOTO_RESOURCE_DIALOG);
        }

        protected boolean select(IResource resource) {
            IProject project = resource.getProject();
            try {
                if (project.getNature(RubyCore.NATURE_ID) != null)
                    return fRubyModel.contains(resource);
            } catch (CoreException e) {
                // do nothing. Consider resource;
            }
            return true;
        }
    }

    public GotoResourceAction(PackageExplorerPart explorer) {
        setText(PackagesMessages.GotoResource_action_label);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IRubyHelpContextIds.GOTO_RESOURCE_ACTION);
        fPackageExplorer = explorer;
    }

    public void run() {
        TreeViewer viewer = fPackageExplorer.getViewer();
        GotoResourceDialog dialog = new GotoResourceDialog(fPackageExplorer.getSite().getShell(),
                ResourcesPlugin.getWorkspace().getRoot(), viewer);
        dialog.open();
        Object[] result = dialog.getResult();
        if (result == null || result.length == 0 || !(result[0] instanceof IResource))
            return;
        StructuredSelection selection = null;
        IRubyElement element = RubyCore.create((IResource) result[0]);
        if (element != null && element.exists())
            selection = new StructuredSelection(element);
        else
            selection = new StructuredSelection(result[0]);
        viewer.setSelection(selection, true);
    }
}