| /******************************************************************************* |
| * Copyright (c) 2001, 2005 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.TextSelection; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.ISelectionProvider; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools; |
| |
| /** |
| */ |
| public abstract class AbstractDropAction implements IDropAction { |
| |
| /* |
| * Replaces targetEditor's current selection by "text" |
| */ |
| protected boolean insert(String text, IEditorPart targetEditor) { |
| if (text == null || text.length() == 0) { |
| return true; |
| } |
| |
| ITextSelection textSelection = null; |
| IDocument doc = null; |
| ISelection selection = null; |
| |
| ISourceEditingTextTools tools = (ISourceEditingTextTools) targetEditor.getAdapter(ISourceEditingTextTools.class); |
| if (tools != null) { |
| doc = tools.getDocument(); |
| selection = tools.getSelection(); |
| } |
| |
| ITextEditor textEditor = null; |
| if (targetEditor instanceof ITextEditor) { |
| textEditor = (ITextEditor) targetEditor; |
| } |
| if (textEditor == null) { |
| textEditor = (ITextEditor) ((IAdaptable) targetEditor).getAdapter(ITextEditor.class); |
| } |
| if (textEditor == null && tools != null && tools.getEditorPart() instanceof ITextEditor) { |
| textEditor = (ITextEditor) tools.getEditorPart(); |
| } |
| if (textEditor == null && tools != null && tools.getEditorPart() != null) { |
| textEditor = (ITextEditor) tools.getEditorPart().getAdapter(ITextEditor.class); |
| } |
| |
| if (selection == null && textEditor != null) { |
| selection = textEditor.getSelectionProvider().getSelection(); |
| } |
| if (doc == null && textEditor != null) { |
| doc = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput()); |
| } |
| |
| if (selection instanceof ITextSelection) { |
| textSelection = (ITextSelection) selection; |
| try { |
| doc.replace(textSelection.getOffset(), textSelection.getLength(), text); |
| } |
| catch (BadLocationException e) { |
| return false; |
| } |
| } |
| if (textEditor != null && textSelection != null) { |
| ISelectionProvider sp = textEditor.getSelectionProvider(); |
| ITextSelection sel = new TextSelection(textSelection.getOffset(), text.length()); |
| sp.setSelection(sel); |
| textEditor.selectAndReveal(sel.getOffset(), sel.getLength()); |
| } |
| |
| return true; |
| } |
| |
| public boolean isSupportedData(Object data) { |
| return true; |
| } |
| |
| public abstract boolean run(DropTargetEvent event, IEditorPart targetEditor); |
| } |