org.melord.pde.explorer.handlers.OpenExplorerHandler.java Source code

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Here is the source code for org.melord.pde.explorer.handlers.OpenExplorerHandler.java

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/*
 * Copyright 2012-2013 Jamling(li.jamling@gmail.com).
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.melord.pde.explorer.handlers;

import java.io.File;
import java.io.IOException;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.internal.core.JarPackageFragmentRoot;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.team.ui.synchronize.ISynchronizeModelElement;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;
import org.melord.pde.explorer.Activator;
import org.melord.pde.explorer.preferences.PreferenceConstants;

/**
 * @author melord
 * 
 */
public class OpenExplorerHandler extends AbstractHandler {

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
        ISelection sel = window.getSelectionService().getSelection();
        if (sel instanceof IStructuredSelection) {
            Object obj = ((IStructuredSelection) sel).getFirstElement();
            IResource resource = null;
            String path = null;
            String file = null;
            // common resource file
            if (obj instanceof IFile) {
                resource = (IResource) obj;
                file = resource.getLocation().toOSString();
                path = file.substring(0, file.lastIndexOf(File.separator));
            } else if (obj instanceof IProject) {
                IProject prj = (IProject) obj;
                path = prj.getLocation().toOSString();
            }
            // other resource such as folder,project
            else if (obj instanceof IResource) {
                resource = (IResource) obj;
                path = resource.getLocation().toOSString();
            }
            // explorer java element, contain field,method,package
            else if (obj instanceof IJavaElement) {
                // java project.
                if (obj instanceof IJavaProject) {
                    path = ((IJavaProject) obj).getProject().getLocation().toOSString();
                }
                // jar resource is null
                else if (obj instanceof JarPackageFragmentRoot) {
                    file = ((IPackageFragmentRoot) obj).getPath().toOSString();
                    // get folder
                    path = file.substring(0, file.lastIndexOf(File.separator));
                } else if (obj instanceof IPackageFragmentRoot) {
                    // src folder
                    IPackageFragmentRoot src = ((IPackageFragmentRoot) obj);
                    IProject p = src.getJavaProject().getProject();
                    String prjPath = p.getLocation().toOSString();
                    path = new File(prjPath, src.getElementName()).getAbsolutePath();
                    // System.out.println(path);
                } else if (obj instanceof IPackageFragment) {// other : package
                    resource = ((IPackageFragment) obj).getResource();
                    path = resource.getLocation().toOSString();
                } else {// member:filed:
                    resource = ((IJavaElement) obj).getResource();
                    file = resource.getLocation().toOSString();
                    // get folder
                    path = file.substring(0, file.lastIndexOf(File.separator));
                }

            }
            // explorer team ui resource
            else if (obj instanceof ISynchronizeModelElement) {
                resource = ((ISynchronizeModelElement) obj).getResource();
            }
            // process
            if (path != null) {
                // System.out.println(path);
                String cmd = null;
                try {
                    cmd = Activator.getDefault().getPreferenceStore().getString(PreferenceConstants.EXPLORER_CMD)
                            .trim();
                    if (cmd.toLowerCase().startsWith("explorer")) {
                        String winCmd = String.format("%s %s", cmd, path);
                        if (file != null) {
                            winCmd = String.format("%s /select,%s", cmd, file);
                        }
                        Runtime.getRuntime().exec(winCmd);
                        return null;
                    }
                    Runtime.getRuntime().exec(cmd.trim() + " " + path); //$NON-NLS-1$
                } catch (IOException e) {
                    //
                    e.printStackTrace();
                }
            }

        }
        return null;
    }

}