Java tutorial
/******************************************************************************* * Copyright (c) 2011 BestSolution.at 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: * Tom Schindl<tom.schindl@bestsolution.at> - initial API and implementation *******************************************************************************/ package at.bestsolution.efxclipse.tooling.fxgraph.ui.internal; import java.io.File; import java.net.MalformedURLException; import java.net.URL; import java.util.ArrayList; import java.util.List; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.Path; import org.eclipse.emf.common.util.EList; import org.eclipse.emf.common.util.URI; import org.eclipse.emf.ecore.EObject; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.ui.IEditorPart; import org.eclipse.xtext.resource.XtextResource; import org.eclipse.xtext.ui.editor.XtextEditor; import org.eclipse.xtext.util.concurrent.IUnitOfWork; import at.bestsolution.efxclipse.tooling.fxgraph.fXGraph.ComponentDefinition; import at.bestsolution.efxclipse.tooling.fxgraph.fXGraph.Model; import at.bestsolution.efxclipse.tooling.fxgraph.generator.FXGraphGenerator; import at.bestsolution.efxclipse.tooling.ui.editor.IFXMLProviderAdapter; import at.bestsolution.efxclipse.tooling.ui.util.RelativeFileLocator; public class FXMLProviderAdapter implements IFXMLProviderAdapter { private XtextEditor editor; public FXMLProviderAdapter(XtextEditor editor) { this.editor = editor; } @Override public IEditorPart getEditorPart() { return editor; } @Override public String getPreviewFXML() { return editor.getDocument().readOnly(new IUnitOfWork<String, XtextResource>() { @Override public String exec(XtextResource resource) throws Exception { FXGraphGenerator generator = new FXGraphGenerator(); return generator.doGeneratePreview(resource, false, false); } }); } @Override public String getPreviewSceneFXML() { return editor.getDocument().readOnly(new IUnitOfWork<String, XtextResource>() { @Override public String exec(XtextResource resource) throws Exception { if (!resource.getContents().isEmpty() && ((Model) resource.getContents().get(0)).getComponentDef() != null) { ComponentDefinition def = ((Model) resource.getContents().get(0)).getComponentDef(); if (def.getSceneDefinition() != null) { FXGraphGenerator generator = new FXGraphGenerator(); return generator.doGeneratePreview(def.getSceneDefinition().eResource(), false, false); } } return null; } }); } @Override public List<String> getPreviewCSSFiles() { return editor.getDocument().readOnly(new IUnitOfWork<List<String>, XtextResource>() { @Override public List<String> exec(XtextResource resource) throws Exception { List<String> cssFiles = new ArrayList<String>(); EList<EObject> contents = resource.getContents(); if (!contents.isEmpty()) { URI uri = resource.getURI(); EObject rootObject = contents.get(0); if (rootObject instanceof Model) { ComponentDefinition def = ((Model) rootObject).getComponentDef(); cssFiles = new ArrayList<String>(def.getPreviewCssFiles().size()); for (String cssFile : def.getPreviewCssFiles()) { File absFile = RelativeFileLocator.locateFile(uri, cssFile); if (absFile != null) { try { cssFiles.add(absFile.toURI().toURL().toExternalForm()); } catch (Throwable e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } } return cssFiles; } }); } @Override public String getPreviewResourceBundle() { return editor.getDocument().readOnly(new IUnitOfWork<String, XtextResource>() { @Override public String exec(XtextResource resource) throws Exception { EList<EObject> contents = resource.getContents(); if (!contents.isEmpty()) { URI uri = resource.getURI(); EObject rootObject = contents.get(0); if (rootObject instanceof Model) { ComponentDefinition def = ((Model) rootObject).getComponentDef(); if (def != null && def.getPreviewResourceBundle() != null) { File f = RelativeFileLocator.locateFile(uri, def.getPreviewResourceBundle()); if (f != null && f.exists()) { return f.getAbsolutePath(); } } } } return null; } }); } @Override public List<URL> getPreviewClasspath() { return editor.getDocument().readOnly(new IUnitOfWork<List<URL>, XtextResource>() { @Override public List<URL> exec(XtextResource resource) throws Exception { List<URL> extraPaths = new ArrayList<URL>(); EList<EObject> contents = resource.getContents(); if (!contents.isEmpty()) { URI uri = resource.getURI(); IProject p = ResourcesPlugin.getWorkspace().getRoot().getProject(uri.segment(1)); IJavaProject jp = JavaCore.create(p); EObject rootObject = contents.get(0); if (rootObject instanceof Model) { ComponentDefinition def = ((Model) rootObject).getComponentDef(); for (String path : def.getPreviewClasspathEntries()) { try { URI cpUri = URI.createURI(path); if (cpUri.isPlatformResource()) { if (cpUri.lastSegment().equals("*")) { cpUri = cpUri.trimSegments(1); Path cpPath = new Path(cpUri.toPlatformString(true)); IWorkspaceRoot root = jp.getProject().getWorkspace().getRoot(); IFolder f = root.getFolder(cpPath); if (f.exists()) { for (IResource r : f.members()) { IFile jarFile = (IFile) r; if (r instanceof IFile) { if ("jar".equals(jarFile.getFileExtension())) { extraPaths.add( jarFile.getLocation().toFile().toURI().toURL()); } } } } } else { Path cpPath = new Path(cpUri.toPlatformString(true)); IWorkspaceRoot root = jp.getProject().getWorkspace().getRoot(); IFile jarFile = root.getFile(cpPath); if (jarFile.exists()) { try { extraPaths.add(jarFile.getLocation().toFile().toURI().toURL()); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } else if (cpUri.isFile()) { if (cpUri.toFileString().endsWith("*")) { File ioFile = new File(cpUri.toFileString()).getParentFile(); if (ioFile.exists()) { try { for (File jarFile : ioFile.listFiles()) { if (jarFile.getName().endsWith(".jar")) { extraPaths.add(jarFile.toURI().toURL()); } } } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } else { File ioFile = new File(cpUri.toFileString()); if (ioFile.exists()) { try { extraPaths.add(ioFile.toURI().toURL()); } catch (MalformedURLException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } } catch (Exception e) { // TODO: handle exception e.printStackTrace(); } } } } return extraPaths; } }); } @Override public IFile getFile() { return editor.getDocument().readOnly(new IUnitOfWork<IFile, XtextResource>() { @Override public IFile exec(XtextResource resource) throws Exception { URI uri = resource.getURI(); Path structureFilePath = new Path(uri.toPlatformString(true)); IFile f = ResourcesPlugin.getWorkspace().getRoot().getFile(structureFilePath); if (f.exists()) { return f; } return null; } }); } }