| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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 |
| * Joe Bowbeer (jozart@blarg.net) - removed dependency on runtime compatibility layer (bug 74528) |
| *******************************************************************************/ |
| package org.eclipse.ui.examples.readmetool; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.dialogs.ErrorDialog; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| import org.eclipse.ui.texteditor.MarkerUtilities; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * Action for creating a readme marker with a specfic id |
| * attribute value. |
| */ |
| public class AddReadmeMarkerAction extends Action { |
| private ITextEditor textEditor; |
| |
| private Object[][] customAttributes; |
| |
| private String message; |
| |
| private final static String MARKER_TYPE = "org.eclipse.ui.examples.readmetool.readmemarker"; //$NON-NLS-1$ |
| |
| /** |
| * Creates a new action for the given text editor. |
| * |
| * @param editor the text editor |
| * @param label the label for the action |
| * @param attributes the custom attributes for this marker |
| * @param message the message for the marker |
| */ |
| public AddReadmeMarkerAction(ITextEditor editor, String label, |
| Object[][] attributes, String message) { |
| textEditor = editor; |
| setText(label); |
| this.customAttributes = attributes; |
| this.message = message; |
| } |
| |
| /* |
| * @see IAction#run() |
| */ |
| public void run() { |
| Map attributes = new HashMap(11); |
| |
| ITextSelection selection = (ITextSelection) textEditor |
| .getSelectionProvider().getSelection(); |
| if (!selection.isEmpty()) { |
| |
| int start = selection.getOffset(); |
| int length = selection.getLength(); |
| |
| if (length < 0) { |
| length = -length; |
| start -= length; |
| } |
| |
| MarkerUtilities.setCharStart(attributes, start); |
| MarkerUtilities.setCharEnd(attributes, start + length); |
| |
| // marker line numbers are 1-based |
| int line = selection.getStartLine(); |
| MarkerUtilities.setLineNumber(attributes, line == -1 ? -1 |
| : line + 1); |
| |
| // set custom attribute values |
| for (int i = 0; i < customAttributes.length; i++) { |
| attributes.put(customAttributes[i][0], customAttributes[i][1]); |
| } |
| |
| MarkerUtilities.setMessage(attributes, message); |
| } |
| |
| try { |
| MarkerUtilities |
| .createMarker(getResource(), attributes, MARKER_TYPE); |
| } catch (CoreException x) { |
| Bundle bundle = ReadmePlugin.getDefault().getBundle(); |
| Platform.getLog(bundle).log(x.getStatus()); |
| |
| Shell shell = textEditor.getSite().getShell(); |
| String title = MessageUtil |
| .getString("Add_readme_marker_error_title"); //$NON-NLS-1$ |
| String msg = MessageUtil |
| .getString("Add_readme_marker_error_message"); //$NON-NLS-1$ |
| |
| ErrorDialog.openError(shell, title, msg, x.getStatus()); |
| } |
| } |
| |
| /** |
| * Returns the resource on which to create the marker, |
| * or <code>null</code> if there is no applicable resource. This |
| * queries the editor's input using <code>getAdapter(IResource.class)</code>. |
| * |
| * @return the resource to which to attach the newly created marker |
| */ |
| protected IResource getResource() { |
| IEditorInput input = textEditor.getEditorInput(); |
| return (IResource) ((IAdaptable) input).getAdapter(IResource.class); |
| } |
| } |