com.google.gdt.eclipse.managedapis.ui.ProjectSelectionPage.java Source code

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Here is the source code for com.google.gdt.eclipse.managedapis.ui.ProjectSelectionPage.java

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/*******************************************************************************
 * Copyright 2011 Google Inc. All Rights Reserved.
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.google.gdt.eclipse.managedapis.ui;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.ImageDescriptor;
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.TableViewer;
import org.eclipse.jface.wizard.IWizard;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.model.AdaptableList;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceComparator;

/**
 * TODO:
 * 
 * 
 */
public class ProjectSelectionPage extends WizardPage {

    private TableViewer projectViewer;

    protected ProjectSelectionPage(IWizard wizard, ImageDescriptor wizardIcon) {
        super("projectSelectionPage");

        setTitle(wizard.getWindowTitle());
        setDescription("Choose a project to add Google APIs to.");

        if (wizardIcon != null) {
            setImageDescriptor(wizardIcon);
        }

        setPageComplete(false);
    }

    public void createControl(Composite parent) {
        AdaptableList projectList = new AdaptableList(ResourcesPlugin.getWorkspace().getRoot().getProjects());

        Composite composite = new Composite(parent, SWT.NONE);
        GridLayoutFactory.fillDefaults().margins(10, 10).applyTo(composite);

        projectViewer = new TableViewer(composite, SWT.SINGLE | SWT.BORDER);
        projectViewer.setContentProvider(new WorkbenchContentProvider());
        projectViewer.setLabelProvider(new WorkbenchLabelProvider());
        projectViewer.setComparator(new ResourceComparator(ResourceComparator.NAME));
        projectViewer.setInput(projectList);
        projectViewer.addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                updateEnablements();
            }
        });
        GridDataFactory.fillDefaults().grab(true, true).applyTo(projectViewer.getControl());

        setControl(composite);
    }

    protected IProject getSelectedProject() {
        ISelection selection = projectViewer.getSelection();

        if (selection instanceof IStructuredSelection) {
            IStructuredSelection ss = (IStructuredSelection) selection;

            IProject project = (IProject) ss.getFirstElement();

            if (project != null && project.isOpen()) {
                return project;
            }
        }

        return null;
    }

    private void updateEnablements() {
        IProject project = getSelectedProject();

        setPageComplete(project != null);
    }

}