diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredSelectHandler.java')
-rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredSelectHandler.java | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredSelectHandler.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredSelectHandler.java deleted file mode 100644 index 4579700cf3..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/handlers/AbstractStructuredSelectHandler.java +++ /dev/null @@ -1,106 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2008 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 - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal.handlers; - -import org.eclipse.core.commands.AbstractHandler; -import org.eclipse.core.commands.ExecutionEvent; -import org.eclipse.core.commands.ExecutionException; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.ITextSelection; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.ui.IEditorPart; -import org.eclipse.ui.handlers.HandlerUtil; -import org.eclipse.ui.texteditor.ITextEditor; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; -import org.eclipse.wst.sse.ui.internal.selection.SelectionHistory; - -abstract public class AbstractStructuredSelectHandler extends AbstractHandler { - - public Object execute(ExecutionEvent event) throws ExecutionException { - IEditorPart editor = HandlerUtil.getActiveEditor(event); - ITextEditor textEditor = null; - if (editor instanceof ITextEditor) - textEditor = (ITextEditor) editor; - else { - Object o = editor.getAdapter(ITextEditor.class); - if (o != null) - textEditor = (ITextEditor) o; - } - if (textEditor != null) { - ISelection selection = textEditor.getSelectionProvider().getSelection(); - IDocument document = textEditor.getDocumentProvider().getDocument(textEditor.getEditorInput()); - // determine current text selection - if (selection instanceof ITextSelection && document != null) { - ITextSelection textSelection = (ITextSelection) selection; - - if (textSelection.getLength() < document.getLength()) { - // get current indexed region - IndexedRegion cursorIndexedRegion = getCursorIndexedRegion(document, textSelection); - - // determine new selection based on current indexed region - Region newSelectionRegion = getNewSelectionRegion(cursorIndexedRegion, textSelection); - - // select new selection - if (newSelectionRegion != null) { - SelectionHistory history = (SelectionHistory) editor.getAdapter(SelectionHistory.class); - if (history != null) { - history.remember(new Region(textSelection.getOffset(), textSelection.getLength())); - try { - history.ignoreSelectionChanges(); - textEditor.selectAndReveal(newSelectionRegion.getOffset(), newSelectionRegion.getLength()); - } - finally { - history.listenToSelectionChanges(); - } - } - } - } - } - } - return null; - } - - /** - * This method will probably be removed and replaced by using new - * selection provider - * - * @param document - * @param offset - * @return - */ - protected IndexedRegion getIndexedRegion(IDocument document, int offset) { - IndexedRegion indexedRegion = null; - - int lastOffset = offset; - IStructuredModel model = StructuredModelManager.getModelManager().getExistingModelForRead(document); - if (model != null) { - try { - indexedRegion = model.getIndexedRegion(lastOffset); - while (indexedRegion == null && lastOffset >= 0) { - lastOffset--; - indexedRegion = model.getIndexedRegion(lastOffset); - } - } - finally { - model.releaseFromRead(); - } - } - - return indexedRegion; - } - - abstract protected IndexedRegion getCursorIndexedRegion(IDocument document, ITextSelection textSelection); - - abstract protected Region getNewSelectionRegion(IndexedRegion indexedRegion, ITextSelection textSelection); -} |