| /******************************************************************************* |
| * Copyright (c) 2010 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.jsdt.web.ui.contentassist; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.wst.jsdt.ui.PreferenceConstants; |
| import org.eclipse.wst.sse.ui.contentassist.AutoActivationDelegate; |
| |
| /** |
| * <p>Used to provide auto activation characters to the content assist framework for JS regions in web pages |
| * based on the JS auto activation character preferences.</p> |
| * |
| */ |
| public class JSDTAutoActivationDelegate extends AutoActivationDelegate implements IPropertyChangeListener { |
| |
| /** auto activation characters */ |
| private char[] fCompletionPropoaslAutoActivationCharacters; |
| |
| /** |
| * <p>Default constructor needed because this class is instantiated by extension point.</p> |
| */ |
| public JSDTAutoActivationDelegate() { |
| getPreferenceStore().addPropertyChangeListener(this); |
| |
| //get the current user preference |
| getAutoActivationCharacterPreferences(); |
| } |
| |
| /** |
| * @see org.eclipse.wst.sse.ui.contentassist.AutoActivationDelegate#getCompletionProposalAutoActivationCharacters() |
| */ |
| public char[] getCompletionProposalAutoActivationCharacters() { |
| return this.fCompletionPropoaslAutoActivationCharacters; |
| } |
| |
| /** |
| * @see org.eclipse.wst.sse.ui.contentassist.AutoActivationDelegate#dispose() |
| */ |
| public void dispose() { |
| getPreferenceStore().removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @see org.eclipse.wst.sse.ui.contentassist.StructuredContentAssistProcessor#propertyChange( |
| * org.eclipse.jface.util.PropertyChangeEvent) |
| */ |
| public void propertyChange(PropertyChangeEvent event) { |
| String property = event.getProperty(); |
| if(property.equals(PreferenceConstants.CODEASSIST_AUTOACTIVATION) || |
| property.equals(PreferenceConstants.CODEASSIST_AUTOACTIVATION_TRIGGERS_JAVA)) { |
| |
| getAutoActivationCharacterPreferences(); |
| } |
| } |
| |
| /** |
| * @return the associated preference store |
| */ |
| private IPreferenceStore getPreferenceStore() { |
| return PreferenceConstants.getPreferenceStore(); |
| } |
| |
| /** |
| * <p>Gets the auto activation character user preferences for Javascript and stores them for later use</p> |
| */ |
| private void getAutoActivationCharacterPreferences() { |
| IPreferenceStore store = getPreferenceStore(); |
| |
| boolean doAuto = store.getBoolean(PreferenceConstants.CODEASSIST_AUTOACTIVATION); |
| if (doAuto) { |
| fCompletionPropoaslAutoActivationCharacters = |
| store.getString(PreferenceConstants.CODEASSIST_AUTOACTIVATION_TRIGGERS_JAVA).toCharArray(); |
| } else { |
| fCompletionPropoaslAutoActivationCharacters = null; |
| } |
| } |
| |
| } |