com.google.dart.tools.ui.actions.NewAppFromPackageAction.java Source code

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Here is the source code for com.google.dart.tools.ui.actions.NewAppFromPackageAction.java

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/*
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License 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.dart.tools.ui.actions;

import com.google.dart.engine.source.FileBasedSource;
import com.google.dart.tools.core.DartCore;
import com.google.dart.tools.core.analysis.model.Project;
import com.google.dart.tools.ui.DartToolsPlugin;
import com.google.dart.tools.ui.instrumentation.UIInstrumentationBuilder;
import com.google.dart.tools.ui.internal.filesview.nodes.old.pkgs.DartPackageNode_OLD;
import com.google.dart.tools.ui.internal.projects.NewApplicationCreationPage.ProjectType;
import com.google.dart.tools.ui.internal.projects.ProjectUtils;
import com.google.dart.tools.ui.internal.text.editor.EditorUtility;

import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.filesystem.IFileSystem;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.IWorkbenchWindow;

import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;

/**
 * Copies the contents of the package selected in the Files View > Installed Packages node and
 * creates a new application/folder in the users default dart directory.
 */
public class NewAppFromPackageAction extends InstrumentedSelectionDispatchAction {

    private IWorkbenchWindow window;

    public NewAppFromPackageAction(IWorkbenchSite site) {
        super(site);
        setText("New Application from package");
        setDescription("Create new application with contents of selected pacakge");
        window = site.getWorkbenchWindow();
    }

    public void openPackage(final IFileStore packageDir) {
        try {
            window.run(true, false, new IRunnableWithProgress() {
                @Override
                public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
                    copyPackage(packageDir, monitor, window);
                }
            });
        } catch (InvocationTargetException e) {
            DartToolsPlugin.log(e);
        } catch (InterruptedException e) {
            DartToolsPlugin.log(e);
        }
    }

    @Override
    protected void doRun(IStructuredSelection selection, Event event, UIInstrumentationBuilder instrumentation) {
        if (!selection.isEmpty() && selection.getFirstElement() instanceof DartPackageNode_OLD) {
            DartPackageNode_OLD node = (DartPackageNode_OLD) selection.getFirstElement();
            openPackage(node.getFileStore());
        }
    }

    private void copyPackage(final IFileStore packageDir, final IProgressMonitor monitor,
            final IWorkbenchWindow window) {

        String packageName = packageDir.getName();
        File potentialDir = new File(DartCore.getUserDefaultDartFolder(), packageName);
        final File newProjectDir = ProjectUtils.generateUniqueSampleDirFrom(packageName + "_copy", potentialDir);

        final String newProjectName = newProjectDir.getName();
        final IProject newProjectHandle = ResourcesPlugin.getWorkspace().getRoot().getProject(newProjectName);
        final URI location = newProjectDir.toURI();
        final File fileToOpen = new File(newProjectDir, getFilePath(packageName));
        IFileSystem fileSystem = EFS.getLocalFileSystem();
        final IFileStore destination = fileSystem.fromLocalFile(newProjectDir);

        Display.getDefault().asyncExec(new Runnable() {
            @Override
            public void run() {

                try {
                    packageDir.copy(destination, 0, monitor);
                } catch (CoreException e1) {
                    DartToolsPlugin.log(e1);
                }

                try {
                    ProjectUtils.createNewProject(newProjectName, newProjectHandle, ProjectType.NONE, location,
                            window, window.getShell());

                    Project project = DartCore.getProjectManager().getProject(newProjectHandle);
                    IFile resource = (IFile) project.getResource(new FileBasedSource(fileToOpen));
                    if (resource.exists()) {
                        EditorUtility.openInTextEditor(resource, true);
                    }

                } catch (CoreException e) {
                    DartToolsPlugin.log(e);
                }
            }
        });

    }

    private String getFilePath(String packageName) {
        packageName = packageName.substring(0, packageName.indexOf("-"));
        return "lib/" + packageName + ".dart";
    }

}