/*******************************************************************************
* 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.designer.gxt.actions;
import com.google.gdt.eclipse.designer.model.module.ModuleElement;
import com.google.gdt.eclipse.designer.model.web.WebUtils;
import com.google.gdt.eclipse.designer.util.DefaultModuleProvider;
import com.google.gdt.eclipse.designer.util.DefaultModuleProvider.ModuleModification;
import com.google.gdt.eclipse.designer.util.ModuleDescription;
import com.google.gdt.eclipse.designer.util.Utils;
import org.eclipse.wb.internal.core.EnvironmentUtils;
import org.eclipse.wb.internal.core.utils.IOUtils2;
import org.eclipse.wb.internal.core.utils.StringUtilities;
import org.eclipse.wb.internal.core.utils.execution.ExecutionUtils;
import org.eclipse.wb.internal.core.utils.execution.RunnableEx;
import org.eclipse.wb.internal.core.utils.jdt.core.ProjectUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.SystemUtils;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
/**
* Operation for configuring GWT module for using Ext-GWT.
*
* @author scheglov_ke
* @coverage ExtGWT.actions
*/
public final class ConfigureExtGwtOperation extends WorkspaceModifyOperation {
private final ModuleDescription m_module;
private final IJavaProject m_javaProject;
private final String m_libraryLocation;
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
/**
* @param libraryLocation
* path to the folder with "gxt.jar" file.
*/
public ConfigureExtGwtOperation(ModuleDescription module, String libraryLocation) {
m_module = module;
m_libraryLocation = libraryLocation;
m_javaProject = JavaCore.create(m_module.getProject());
}
////////////////////////////////////////////////////////////////////////////
//
// Operation
//
////////////////////////////////////////////////////////////////////////////
@Override
protected void execute(IProgressMonitor monitor) throws CoreException, InvocationTargetException,
InterruptedException {
ExecutionUtils.runRethrow(new RunnableEx() {
public void run() throws Exception {
execute0();
}
});
}
private void execute0() throws Exception {
// ensure jar
if (!ProjectUtils.hasType(m_javaProject, "com.extjs.gxt.ui.client.widget.Component")) {
String jarPath = getJarPath(m_libraryLocation);
if (EnvironmentUtils.isTestingTime()) {
ProjectUtils.addExternalJar(m_javaProject, jarPath, null);
} else {
ProjectUtils.addJar(m_javaProject, jarPath, null);
}
}
// copy resources
{
File resourcesSourceDir = new File(new File(m_libraryLocation), "resources");
IFolder webFolder = WebUtils.getWebFolder(m_javaProject);
File webDir = webFolder.getLocation().toFile();
File resourceTargetDir = new File(webDir, "ExtGWT");
FileUtils.copyDirectory(resourcesSourceDir, resourceTargetDir);
webFolder.refreshLocal(IResource.DEPTH_INFINITE, null);
}
// add elements into module
DefaultModuleProvider.modify(m_module, new ModuleModification() {
public void modify(ModuleElement moduleElement) throws Exception {
moduleElement.addInheritsElement("com.extjs.gxt.ui.GXT");
}
});
// add "stylesheet" into HTML
{
IFile htmlFile = Utils.getHTMLFile(m_module);
if (htmlFile != null) {
String content = IOUtils2.readString(htmlFile);
int linkIndex = content.indexOf("<link type=");
if (linkIndex != -1) {
String prefix = StringUtilities.getLinePrefix(content, linkIndex);
String GXTStylesheet =
"<link type=\"text/css\" rel=\"stylesheet\" href=\"ExtGWT/css/gxt-all.css\">";
content =
content.substring(0, linkIndex)
+ GXTStylesheet
+ SystemUtils.LINE_SEPARATOR
+ prefix
+ content.substring(linkIndex);
IOUtils2.setFileContents(htmlFile, content);
}
}
}
}
static String getJarPath(String libraryLocation) {
File libraryFolder = new File(libraryLocation);
for (String jarName : libraryFolder.list()) {
String jarNameLower = jarName.toLowerCase();
if (jarNameLower.startsWith("gxt") && jarNameLower.endsWith(".jar")) {
if (jarNameLower.endsWith("-gwt22.jar")) {
return libraryLocation + "/" + jarName;
}
}
}
return libraryLocation + "/gxt.jar";
}
}