diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/commands/SourceViewerCommand.java')
-rw-r--r-- | jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/commands/SourceViewerCommand.java | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/commands/SourceViewerCommand.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/commands/SourceViewerCommand.java deleted file mode 100644 index 2974929f0..000000000 --- a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/commands/SourceViewerCommand.java +++ /dev/null @@ -1,132 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 Sybase, Inc. 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: - * Sybase, Inc. - initial API and implementation - *******************************************************************************/ -package org.eclipse.jst.pagedesigner.commands; - -import org.eclipse.core.runtime.Assert; -import org.eclipse.gef.commands.Command; -import org.eclipse.jface.text.TextSelection; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jst.jsf.common.ui.internal.logging.Logger; -import org.eclipse.jst.pagedesigner.PDPlugin; -import org.eclipse.wst.html.core.internal.format.HTMLFormatProcessorImpl; -import org.eclipse.wst.sse.ui.StructuredTextEditor; -import org.eclipse.wst.sse.ui.internal.provisional.extensions.ISourceEditingTextTools; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode; -import org.eclipse.wst.xml.ui.internal.provisional.IDOMSourceEditingTextTools; -import org.w3c.dom.Document; -import org.w3c.dom.Node; - -/** - * @author mengbo - */ -public abstract class SourceViewerCommand extends Command { - /** - * the structured text editor containing the viewer - */ - protected final StructuredTextEditor _editor; - - private Document _document; - - private Logger _log = PDPlugin.getLogger(SourceViewerCommand.class); - - /** - * @param label - * @param editor - */ - public SourceViewerCommand(String label, StructuredTextEditor editor) { - super(); - _editor = editor; - IDOMSourceEditingTextTools tools = getSourceEditingTextTools(); - _document = tools.getDOMDocument(); - } - - /** - * @return the text tools - */ - protected IDOMSourceEditingTextTools getSourceEditingTextTools() { - IDOMSourceEditingTextTools tools = (IDOMSourceEditingTextTools) _editor - .getAdapter(ISourceEditingTextTools.class); - return tools; - } - - /** - * preExecute and postExecute is a pair. () SHOULD NOT throw any exception, - * if it throw any exception, it should catch itself and return false to - * indicate not continue. - * @return true if preExec succeeded - */ - protected final boolean preExecute() { - int position = 0; - int length = 0; - ISelection selection = _editor.getTextViewer().getSelection(); - if (selection instanceof TextSelection) { - position = ((TextSelection) selection).getOffset(); - length = ((TextSelection) selection).getLength(); - } - getModel().beginRecording(this, getLabel(), position, length); - getModel().aboutToChangeModel(); - return true; - } - - /** - * if preExecute() return true, then this method will always be called even - * preExecute()/doExecute() and postExecute() fail. - */ - protected final void postExecute() { - getModel().changedModel(); - getModel().endRecording(this); - setSelection(); - } - - /** - * format the specified node in source code. Utility method that can be - * called by child classes - * - * @param node - */ - public final void formatNode(Node node) { - new HTMLFormatProcessorImpl().formatNode(node); - } - - /** - * @return the dom model - */ - protected IDOMModel getModel() { - Assert.isTrue(_document != null && _document instanceof IDOMNode); - return ((IDOMNode) _document).getModel(); - } - - public final void execute() { - boolean ok = preExecute(); - if (ok) { - try { - doExecute(); - } catch (Exception ex) { - // "Error in command execution" - _log.error("Error.SourceViewerCommand.Execution", ex); //$NON-NLS-1$ - } finally { - postExecute(); - } - } - } - - /** - * execute - */ - public abstract void doExecute(); - - /** - * set the selection - */ - public abstract void setSelection(); -} |