| /******************************************************************************* |
| * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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: |
| * Soyatec - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.xwt.ui.editor; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.xwt.XWT; |
| import org.eclipse.jdt.core.ElementChangedEvent; |
| import org.eclipse.jdt.core.IElementChangedListener; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.internal.core.JavaModelManager; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| import org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor; |
| import org.eclipse.jdt.internal.ui.packageview.PackageExplorerPart; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.util.LocalSelectionTransfer; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.dnd.DND; |
| import org.eclipse.swt.dnd.DragSource; |
| import org.eclipse.swt.dnd.DragSourceAdapter; |
| import org.eclipse.swt.dnd.DragSourceEvent; |
| import org.eclipse.swt.dnd.DropTarget; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.DropTargetListener; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| import org.eclipse.swt.widgets.Canvas; |
| import org.eclipse.swt.widgets.ToolBar; |
| import org.eclipse.swt.widgets.ToolItem; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorSite; |
| import org.eclipse.ui.PartInitException; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.progress.ProgressManager; |
| import org.eclipse.ui.part.FileEditorInput; |
| import org.eclipse.wst.xml.ui.internal.XMLUIPlugin; |
| import org.eclipse.wst.xml.ui.internal.tabletree.IDesignViewer; |
| import org.eclipse.wst.xml.ui.internal.tabletree.XMLTableTreeHelpContextIds; |
| import org.eclipse.xwt.ui.ExceptionHandle; |
| import org.eclipse.xwt.ui.XWTUIPlugin; |
| import org.eclipse.xwt.ui.editor.dnd.ImageDnDAdapter; |
| import org.eclipse.xwt.ui.editor.dnd.PaletteDnDAdapter; |
| import org.eclipse.xwt.ui.editor.dnd.UserDefinedDnDAdapter; |
| import org.eclipse.xwt.ui.editor.render.XWTRender; |
| import org.eclipse.xwt.ui.editor.treeviewer.XWTTableTreeViewer; |
| import org.eclipse.xwt.ui.utils.DisplayUtil; |
| import org.eclipse.xwt.ui.utils.ImageManager; |
| import org.eclipse.xwt.ui.utils.ProjectContext; |
| import org.eclipse.xwt.ui.views.XWTView; |
| import org.eclipse.xwt.vex.VEXCodeSynchronizer; |
| import org.eclipse.xwt.vex.VEXEditor; |
| import org.eclipse.xwt.vex.VEXFileChecker; |
| import org.eclipse.xwt.vex.VEXFileFormator; |
| import org.eclipse.xwt.vex.VEXRenderer; |
| |
| public class XWTEditor extends VEXEditor { |
| /** The Java editor. */ |
| private CompilationUnitEditor javaEditor; |
| |
| private IFile javaFile; |
| private String className; |
| |
| private DropTargetListener dropTargetAdapter; |
| |
| private ToolItem previewTool; |
| private ToolItem generateTool; |
| private long modificationStamp; |
| private IElementChangedListener elementChangedListener = new IElementChangedListener() { |
| public void elementChanged(ElementChangedEvent event) { |
| if (getFileChecker() != null) { |
| long timeStamp = javaFile.getModificationStamp(); |
| if (modificationStamp == timeStamp) { |
| getFileChecker().doCheck(render.getHostClassName()); |
| } else { |
| modificationStamp = timeStamp; |
| } |
| } |
| } |
| }; |
| |
| public XWTEditor() { |
| super(new XWTUIContext()); |
| } |
| |
| public CompilationUnitEditor getJavaEditor() { |
| return javaEditor; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.xwt.vex.VEXEditor#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput) |
| */ |
| public void init(IEditorSite site, IEditorInput input) throws PartInitException { |
| super.init(site, input); |
| XWTUIPlugin.getDefault().openXWTPerspective(); |
| } |
| |
| @Override |
| protected IDesignViewer createDesignPage() { |
| XWTTableTreeViewer tableTreeViewer = new XWTTableTreeViewer(getContainer()); |
| // Set the default info pop for XML design viewer. |
| XMLUIPlugin.getInstance().getWorkbench().getHelpSystem().setHelp(tableTreeViewer.getControl(), XMLTableTreeHelpContextIds.XML_DESIGN_VIEW_HELPID); |
| return tableTreeViewer; |
| } |
| |
| protected VEXRenderer createRender(Canvas container) { |
| return new XWTRender(container, changeListener); |
| } |
| |
| protected void createToolBar(CTabFolder tabFolder) { |
| tabFolder.setTabPosition(SWT.TOP); |
| tabFolder.setSimple(false); |
| |
| ToolBar toolBar = new ToolBar(tabFolder, SWT.FLAT | SWT.WRAP | SWT.RIGHT); |
| // toolBar.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| |
| previewTool = new ToolItem(toolBar, SWT.PUSH); |
| previewTool.setImage(ImageManager.get(ImageManager.IMG_PREVIEW)); |
| previewTool.setToolTipText("Preview"); |
| previewTool.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| handlePreview(); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| handlePreview(); |
| } |
| }); |
| |
| generateTool = new ToolItem(toolBar, SWT.PUSH); |
| generateTool.setImage(JavaPluginImages.get(JavaPluginImages.IMG_OBJS_CLASS)); |
| generateTool.setToolTipText("Generate Java codes"); |
| |
| generateTool.addSelectionListener(new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| generateCLRCodeAction(); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| generateCLRCodeAction(); |
| } |
| }); |
| generateTool.setEnabled(false); |
| |
| tabFolder.setTopRight(toolBar); |
| tabFolder.setTabHeight(Math.max(toolBar.computeSize(SWT.DEFAULT, SWT.DEFAULT).y, tabFolder.getTabHeight())); |
| } |
| |
| void handlePreview() { |
| IFile file = (IFile) getEditorInput().getAdapter(IFile.class); |
| IJavaProject javaProject = JavaCore.create(file.getProject()); |
| if (!javaProject.exists()) { |
| return; |
| } |
| try { |
| XWT.setLoadingContext(ProjectContext.getContext(javaProject)); |
| DisplayUtil.open(file); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| protected void setJavaEditor(String fullyQualifiedName) { |
| IJavaProject javaProject = getJavaProject(); |
| removeElementChangedListener(javaProject); |
| try { |
| if (fullyQualifiedName == null) { |
| return; |
| } |
| IType type = javaProject.findType(fullyQualifiedName); |
| if (type == null || !type.exists()) { |
| return; |
| } |
| javaFile = (IFile) type.getResource(); |
| FileEditorInput editorInput = new FileEditorInput(javaFile); |
| if (javaEditor == null) { |
| javaEditor = new CompilationUnitEditor(); |
| int javaPageIndex = addPage(javaEditor, editorInput); |
| setPageText(javaPageIndex, "Java"); |
| setPageImage(javaPageIndex, JavaPluginImages.get(JavaPluginImages.IMG_OBJS_CLASS)); |
| |
| } else { |
| javaEditor.setInput(editorInput); |
| } |
| this.className = fullyQualifiedName; |
| if (generateTool != null) { |
| generateTool.setEnabled(true); |
| } |
| addElementChangedListener(javaProject); |
| |
| XWTCodeSynchronizer codeSynchronizer = (XWTCodeSynchronizer) getCodeSynchronizer(); |
| codeSynchronizer.setType(type); |
| } catch (PartInitException e) { |
| e.printStackTrace(); |
| } catch (JavaModelException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| protected IJavaProject getJavaProject() { |
| IFile file = (IFile) getEditorInput().getAdapter(IFile.class); |
| |
| IJavaProject javaProject = JavaCore.create(file.getProject()); |
| if (!javaProject.exists()) { |
| return null; |
| } |
| return javaProject; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.ISaveablePart#doSave(org.eclipse.core.runtime.IProgressMonitor ) |
| */ |
| @Override |
| public void doSave(IProgressMonitor monitor) { |
| super.doSave(monitor); |
| if (javaEditor != null) { |
| javaEditor.doSave(monitor); |
| } |
| } |
| |
| protected boolean handleInputChanged(IDocument newInput) { |
| String value = newInput.get(); |
| if (newInput == null) { |
| return false; |
| } |
| boolean handling = super.handleInputChanged(newInput); |
| if (handling) { |
| String className = render.getHostClassName(); |
| if (this.className == null || !this.className.equals(className)) { |
| setJavaEditor(className); |
| } |
| } |
| refreshXWTView(value); |
| return handling; |
| } |
| |
| private void refreshXWTView(String value) { |
| IFile file = (IFile) getEditorInput().getAdapter(IFile.class); |
| |
| if (file != null) { |
| XWTUIPlugin.checkStartup(); |
| try { |
| XWTView view = (XWTView) PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findView(XWTView.ID); |
| if (view != null) { |
| view.setContentWithException(value, file); |
| } |
| } catch (Exception e) { |
| // No need to handle the refresh.s |
| // ExceptionHandle.handle(e, ""); |
| } |
| } |
| } |
| |
| @Override |
| protected VEXFileChecker createFileChecker() { |
| return new XWTFileChecker(getTextEditor()); |
| } |
| |
| protected VEXCodeSynchronizer createCodeSynchronizer() { |
| try { |
| IJavaProject javaProject = getJavaProject(); |
| if (javaProject == null || className == null) { |
| return null; |
| } |
| IType findType = javaProject.findType(className); |
| if (findType != null) { |
| return new XWTCodeSynchronizer(this, findType); |
| } |
| } catch (JavaModelException e) { |
| } |
| return null; |
| } |
| |
| public void addElementChangedListener(IJavaProject javaProject) { |
| int eventMask = ElementChangedEvent.POST_CHANGE | ElementChangedEvent.POST_RECONCILE; |
| JavaModelManager.getDeltaState().addElementChangedListener(elementChangedListener, eventMask); |
| } |
| |
| public void removeElementChangedListener(IJavaProject javaProject) { |
| int eventMask = ElementChangedEvent.POST_CHANGE | ElementChangedEvent.POST_RECONCILE; |
| JavaModelManager.getDeltaState().removeElementChangedListener(elementChangedListener); |
| } |
| |
| public void initializeDND(VEXEditor editor) { |
| if (dropTargetAdapter == null) { |
| dropTargetAdapter = createDropTargetListener(); |
| } |
| update(editor); |
| } |
| |
| private void update(VEXEditor vexEditor) { |
| // clear up old |
| StyledText styledText = vexEditor.getTextWidget(); |
| if (styledText != null) { |
| DropTarget dropTarget = (DropTarget) styledText.getData(DND.DROP_TARGET_KEY); |
| if (dropTarget != null) { |
| dropTarget.removeDropListener(dropTargetAdapter); |
| } |
| } |
| |
| // setup new |
| vexEditor.getTextWidget().addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| StyledText styledText = (StyledText) e.widget; |
| DropTarget dropTarget = (DropTarget) styledText.getData(DND.DROP_TARGET_KEY); |
| if (dropTarget != null) { |
| dropTarget.removeDropListener(dropTargetAdapter); |
| } |
| } |
| }); |
| |
| DropTarget dropTarget = (DropTarget) styledText.getData(DND.DROP_TARGET_KEY); |
| if (dropTarget == null) { |
| dropTarget = new DropTarget(styledText, DND.DROP_MOVE | DND.DROP_COPY); |
| dropTarget.setTransfer(new Transfer[] { LocalSelectionTransfer.getTransfer() }); |
| } |
| dropTarget.addDropListener(dropTargetAdapter); |
| |
| DragSource dragSource = (DragSource) styledText.getData(DND.DRAG_SOURCE_KEY); |
| if (dragSource == null) { |
| dragSource = new DragSource(styledText, DND.DROP_COPY | DND.DROP_MOVE); |
| |
| Transfer[] types = new Transfer[] { TextTransfer.getInstance() }; |
| |
| dragSource.setTransfer(types); |
| } |
| dragSource.addDragListener(dragSourceAdapter); |
| // if (dropProxy == null) { |
| // dropProxy = new XWTEditorDropProxy(this); |
| // } |
| final PackageExplorerPart part = PackageExplorerPart.getFromActivePerspective(); |
| if (part != null) { |
| TreeViewer treeViewer = part.getTreeViewer(); |
| dragSource = (DragSource) treeViewer.getControl().getData(DND.DRAG_SOURCE_KEY); |
| if (dragSource != null) { |
| dragSource.addDragListener(new DragSourceAdapter() { |
| public void dragStart(DragSourceEvent event) { |
| part.setLinkingEnabled(false); |
| } |
| }); |
| } |
| } |
| } |
| |
| private IProgressMonitor getProgressMonitor() { |
| ProgressManager progresManager = (ProgressManager) getSite().getWorkbenchWindow().getWorkbench().getProgressService(); |
| IProgressMonitor monitor = progresManager.getDefaultMonitor(); |
| return monitor; |
| } |
| |
| private XWTDropTargetListener createDropTargetListener() { |
| XWTDropTargetListener dropTargetListener = new XWTDropTargetListener() { |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.swt.dnd.DropTargetAdapter#drop(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| public void drop(DropTargetEvent event) { |
| super.drop(event); |
| IFile file = (IFile) getTextEditor().getEditorInput().getAdapter(IFile.class); |
| |
| VEXFileFormator formator = new VEXFileFormator(); |
| IDocument document = getTextEditor().getTextViewer().getDocument(); |
| try { |
| formator.format(document, file.getContentDescription().getContentType().getId()); |
| } catch (CoreException e) { |
| e.printStackTrace(); |
| } |
| PackageExplorerPart part = PackageExplorerPart.getFromActivePerspective(); |
| if (part != null) { |
| part.setLinkingEnabled(true); |
| } |
| } |
| }; |
| dropTargetListener.addDnDAdapter(new PaletteDnDAdapter(this)); |
| dropTargetListener.addDnDAdapter(new UserDefinedDnDAdapter(this)); |
| dropTargetListener.addDnDAdapter(new ImageDnDAdapter(this)); |
| return dropTargetListener; |
| } |
| |
| @Override |
| public void setFocus() { |
| super.setFocus(); |
| refreshXWTView(super.getTextEditor().getTextViewer().getDocument().get()); |
| } |
| } |
