| /** |
| * |
| */ |
| package org.eclipse.wst.jsdt.web.ui.actions; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.IObjectActionDelegate; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.wst.jsdt.core.IJavaElement; |
| import org.eclipse.wst.jsdt.web.ui.views.contentoutline.IJavaWebNode; |
| import org.eclipse.wst.jsdt.web.ui.views.contentoutline.JsJfaceNode; |
| import org.eclipse.wst.sse.core.StructuredModelManager; |
| import org.eclipse.wst.sse.core.internal.provisional.IModelManager; |
| import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; |
| import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; |
| |
| /** |
| * @author childsb |
| * |
| */ |
| public class StandardEditorActionsAction implements IObjectActionDelegate { |
| private static final boolean APPEND_NEW_LINES_TO_COPY = true; |
| protected static final String COPY = "org.eclipse.wst.jsdt.web.ui.copy"; //$NON-NLS-1$ |
| protected static final String CUT = "org.eclipse.wst.jsdt.web.ui.cut"; //$NON-NLS-1$ |
| protected static final String DELETE = "org.eclipse.wst.jsdt.web.ui.delete"; //$NON-NLS-1$ |
| private static final char NEW_LINE = '\n'; |
| protected static final String PASTE_AFTER = "org.eclipse.wst.jsdt.web.ui.paste.after"; //$NON-NLS-1$ |
| protected static final String PASTE_BEFORE = "org.eclipse.wst.jsdt.web.ui.paste.before"; //$NON-NLS-1$ |
| protected ISelection selection; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, |
| * org.eclipse.jface.viewers.ISelection) |
| */ |
| private void copy(IAction action) { |
| JsJfaceNode[] nodes = parseSelection(); |
| if (nodes == null || nodes.length == 0) { |
| return; |
| } |
| Clipboard clipboard = null; |
| StringBuffer text = new StringBuffer(); |
| if (StandardEditorActionsAction.APPEND_NEW_LINES_TO_COPY) { |
| text.append(StandardEditorActionsAction.NEW_LINE); |
| } |
| try { |
| for (int i = 0; i < nodes.length; i++) { |
| JsJfaceNode currentNode = nodes[i]; |
| int start = currentNode.getStartOffset(); |
| int length = currentNode.getLength(); |
| IStructuredDocument doc = currentNode.getStructuredDocument(); |
| try { |
| String elementText = doc.get(start, length); |
| text.append(elementText); |
| } catch (BadLocationException ex) { |
| // TODO Auto-generated catch block |
| ex.printStackTrace(); |
| } |
| if (StandardEditorActionsAction.APPEND_NEW_LINES_TO_COPY) { |
| text.append(StandardEditorActionsAction.NEW_LINE); |
| } |
| clipboard = new Clipboard(Display.getCurrent()); |
| clipboard.setContents(new Object[] { text.toString() }, new Transfer[] { TextTransfer.getInstance() }); |
| } |
| } finally { |
| if (clipboard != null) { |
| clipboard.dispose(); |
| } |
| } |
| } |
| |
| private void delete(IAction action) { |
| JsJfaceNode[] nodes = parseSelection(); |
| if (nodes == null || nodes.length == 0) { |
| return; |
| } |
| IStructuredDocument lastDoc = null; |
| IModelManager modelManager = StructuredModelManager.getModelManager(); |
| IStructuredModel model = null; |
| try { |
| int start; |
| int length; |
| for (int i = 0; i < nodes.length; i++) { |
| JsJfaceNode currentNode = nodes[i]; |
| start = currentNode.getStartOffset(); |
| length = currentNode.getLength(); |
| IStructuredDocument doc = currentNode.getStructuredDocument(); |
| if (doc != lastDoc) { |
| lastDoc = doc; |
| if (model != null) { |
| model.endRecording(action); |
| model.changedModel(); |
| model.releaseFromEdit(); |
| } |
| if (modelManager != null) { |
| model = modelManager.getExistingModelForEdit(doc); |
| model.aboutToChangeModel(); |
| model.beginRecording(action, "Delete JavaScript Element", "Delete JavaScript Element"); |
| } |
| } |
| doc.replaceText(action, start, length, ""); //$NON-NLS-1$ |
| } |
| model.endRecording(action); |
| } catch (Exception e) { |
| System.out.println(Messages.getString("StandardEditorActionsAction.8") + e); //$NON-NLS-1$ |
| } finally { |
| if (model != null) { |
| model.changedModel(); |
| model.releaseFromEdit(); |
| } |
| } |
| } |
| |
| private JsJfaceNode[] parseSelection() { |
| if (selection == null) { |
| return new JsJfaceNode[0]; |
| } |
| ArrayList elements = new ArrayList(); |
| if (selection instanceof IStructuredSelection) { |
| Iterator itt = ((IStructuredSelection) selection).iterator(); |
| while (itt.hasNext()) { |
| Object element = itt.next(); |
| if (element instanceof IJavaElement) { |
| elements.add(element); |
| } |
| if (element instanceof IJavaWebNode) { |
| elements.add(element); |
| } |
| } |
| return (JsJfaceNode[]) elements.toArray(new JsJfaceNode[elements.size()]); |
| } |
| return new JsJfaceNode[0]; |
| } |
| |
| private void paste(IAction action, boolean atEnd) { |
| JsJfaceNode[] nodes = parseSelection(); |
| if (nodes == null || nodes.length == 0) { |
| return; |
| } |
| StringBuffer text = new StringBuffer(); |
| int startOfPaste = -1; |
| IStructuredDocument doc = null; |
| /* Figure out where to paste the content */ |
| if (atEnd) { |
| for (int i = 0; i < nodes.length; i++) { |
| if ((nodes[i].getStartOffset() + nodes[i].getLength()) > startOfPaste) { |
| startOfPaste = (nodes[i].getStartOffset() + nodes[i].getLength()); |
| doc = nodes[i].getStructuredDocument(); |
| } |
| } |
| } else { |
| for (int i = 0; i < nodes.length; i++) { |
| if ((nodes[i].getStartOffset() < startOfPaste || startOfPaste < 0)) { |
| startOfPaste = nodes[i].getStartOffset(); |
| doc = nodes[i].getStructuredDocument(); |
| } |
| } |
| } |
| Clipboard clipboard = null; |
| IModelManager modelManager = StructuredModelManager.getModelManager(); |
| IStructuredModel model = null; |
| try { |
| clipboard = new Clipboard(Display.getCurrent()); |
| String pasteString = (String) clipboard.getContents(TextTransfer.getInstance()); |
| model = modelManager.getExistingModelForEdit(doc); |
| model.aboutToChangeModel(); |
| model.beginRecording(action, Messages.getString("StandardEditorActionsAction.9") + (atEnd ? Messages.getString("StandardEditorActionsAction.10") : Messages.getString("StandardEditorActionsAction.11")) + Messages.getString("StandardEditorActionsAction.12"), Messages.getString("StandardEditorActionsAction.13") + (atEnd ? Messages.getString("StandardEditorActionsAction.14") : Messages.getString("StandardEditorActionsAction.15")) + Messages.getString("StandardEditorActionsAction.16")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$ //$NON-NLS-8$ |
| doc.replaceText(action, startOfPaste, 0, pasteString); |
| } finally { |
| if (clipboard != null) { |
| clipboard.dispose(); |
| } |
| if (model != null) { |
| model.endRecording(action); |
| model.changedModel(); |
| model.releaseFromEdit(); |
| } |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction) |
| */ |
| public void run(IAction action) { |
| if (action.getId().equals(StandardEditorActionsAction.CUT)) { |
| copy(action); |
| delete(action); |
| } else if (action.getId().equals(StandardEditorActionsAction.COPY)) { |
| copy(action); |
| } else if (action.getId().equals(StandardEditorActionsAction.PASTE_BEFORE)) { |
| paste(action, false); |
| } else if (action.getId().equals(StandardEditorActionsAction.PASTE_AFTER)) { |
| paste(action, true); |
| } else if (action.getId().equals(StandardEditorActionsAction.DELETE)) { |
| delete(action); |
| } |
| } |
| |
| public void selectionChanged(IAction action, ISelection selection) { |
| this.selection = selection; |
| } |
| |
| public void setActivePart(IAction action, IWorkbenchPart targetPart) {} |
| } |