| /******************************************************************************* |
| * Copyright (c) 2001, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal.search; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.ITypedRegion; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.search.ui.NewSearchUI; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| import org.eclipse.ui.texteditor.TextEditorAction; |
| import org.eclipse.wst.sse.ui.internal.SSEUIMessages; |
| import org.eclipse.wst.sse.ui.util.PlatformStatusLineUtil; |
| |
| /** |
| * Performs the appropriate FindOccurrences action call based on selection. |
| * Clients can add actions for different partitions via |
| * <code>addAction(BasicFindOccurrencesAction action)</code> |
| * |
| * @author pavery |
| */ |
| public class FindOccurrencesActionProvider extends TextEditorAction { |
| |
| private List fActions = null; |
| |
| public FindOccurrencesActionProvider(ResourceBundle bundle, String prefix, ITextEditor editor) { |
| |
| super(bundle, prefix, editor); |
| } |
| |
| public void addAction(BasicFindOccurrencesAction action) { |
| |
| getActions().add(action); |
| } |
| |
| private BasicFindOccurrencesAction getActionForCurrentSelection() { |
| |
| // check if we have an action that's enabled on the current partition |
| ITypedRegion tr = getPartition(); |
| String partition = tr != null ? tr.getType() : ""; //$NON-NLS-1$ |
| |
| Iterator it = getActions().iterator(); |
| BasicFindOccurrencesAction action = null; |
| while (it.hasNext()) { |
| action = (BasicFindOccurrencesAction) it.next(); |
| // we just choose the first action that can handle the partition |
| if (action.enabledForParitition(partition)) |
| return action; |
| } |
| return null; |
| } |
| |
| private List getActions() { |
| if (this.fActions == null) |
| this.fActions = new ArrayList(); |
| return this.fActions; |
| } |
| |
| private IDocument getDocument() { |
| return getTextEditor().getDocumentProvider().getDocument(getTextEditor().getEditorInput()); |
| } |
| |
| private ITypedRegion getPartition() { |
| ITextSelection sel = getTextSelection(); |
| ITypedRegion region = null; |
| if (sel != null) { |
| try { |
| region = getDocument().getPartition(sel.getOffset()); |
| } catch (BadLocationException e) { |
| region = null; |
| } |
| } |
| return region; |
| } |
| |
| private ITextSelection getTextSelection() { |
| ISelection selection = getTextEditor().getSelectionProvider().getSelection(); |
| if (selection instanceof ITextSelection && !selection.isEmpty()) { |
| ITextSelection textSel = (ITextSelection) selection; |
| return textSel; |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.jface.action.Action#isEnabled() |
| */ |
| public boolean isEnabled() { |
| // always enabled |
| return true; |
| } |
| |
| |
| /** |
| * @see org.eclipse.jface.action.Action#run() |
| */ |
| public void run() { |
| |
| BasicFindOccurrencesAction action = getActionForCurrentSelection(); |
| String errorMessage = SSEUIMessages.FindOccurrencesActionProvider_0; //$NON-NLS-1$ |
| if (action != null) { |
| action.update(); |
| if (action.isEnabled()) { |
| // first of all activate the view |
| NewSearchUI.activateSearchResultView(); |
| |
| // run the action |
| action.run(); |
| |
| // clear status message |
| PlatformStatusLineUtil.clearStatusLine(); |
| } else { |
| PlatformStatusLineUtil.displayErrorMessage(errorMessage); |
| PlatformStatusLineUtil.addOneTimeClearListener(); |
| } |
| } else { |
| PlatformStatusLineUtil.displayErrorMessage(errorMessage); |
| PlatformStatusLineUtil.addOneTimeClearListener(); |
| } |
| } |
| |
| /** |
| * @see org.eclipse.ui.texteditor.TextEditorAction#update() |
| */ |
| public void update() { |
| |
| super.update(); |
| // clear status message |
| PlatformStatusLineUtil.clearStatusLine(); |
| } |
| } |