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/*******************************************************************************
* Copyright (c) 2009, 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.xml.ui.internal.text;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument;
import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
import org.eclipse.wst.sse.ui.typing.AbstractCharacterPairInserter;
import org.eclipse.wst.xml.core.internal.regions.DOMRegionContext;
import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;
import org.eclipse.wst.xml.ui.internal.preferences.XMLUIPreferenceNames;
public class CharacterPairInserter extends AbstractCharacterPairInserter implements IPropertyChangeListener {
// preferences
private boolean fCloseStrings = true;
private boolean fCloseBrackets = true;
protected boolean shouldPair(ISourceViewer viewer, char c) {
switch (c) {
case '\'':
case '"':
return fCloseStrings ? checkRegion(viewer) : false;
default:
return fCloseBrackets;
}
}
/**
* Checks if the region should support paired quotes
* @param viewer the viewer
* @return true if the region is not in an XML attribute value
*/
private boolean checkRegion(ISourceViewer viewer) {
IDocument doc = viewer.getDocument();
final Point selection= viewer.getSelectedRange();
final int offset= selection.x;
if (doc instanceof IStructuredDocument) {
IStructuredDocumentRegion[] regions = ((IStructuredDocument) doc).getStructuredDocumentRegions(offset, 0);
if (regions != null && regions.length > 0) {
ITextRegion region = regions[0].getRegionAtCharacterOffset(offset);
return region != null && region.getType() != DOMRegionContext.XML_TAG_ATTRIBUTE_VALUE;
}
}
return true;
}
public boolean hasPair(char c) {
switch (c) {
case '"':
case '\'':
case '[':
case '(':
return true;
default:
return false;
}
}
protected char getPair(char c) {
switch (c) {
case '\'':
case '"':
return c;
case '(':
return ')';
case '[':
return ']';
default:
throw new IllegalArgumentException();
}
}
public void initialize() {
IPreferenceStore store = XMLUIPlugin.getInstance().getPreferenceStore();
fCloseStrings = store.getBoolean(XMLUIPreferenceNames.TYPING_CLOSE_STRINGS);
fCloseBrackets = store.getBoolean(XMLUIPreferenceNames.TYPING_CLOSE_BRACKETS);
store.addPropertyChangeListener(this);
}
public void dispose() {
XMLUIPlugin.getInstance().getPreferenceStore().removePropertyChangeListener(this);
}
public void propertyChange(PropertyChangeEvent event) {
if (XMLUIPreferenceNames.TYPING_CLOSE_BRACKETS.equals(event.getProperty()))
fCloseBrackets = ((Boolean) event.getNewValue()).booleanValue();
else if (XMLUIPreferenceNames.TYPING_CLOSE_STRINGS.equals(event.getProperty()))
fCloseStrings = ((Boolean) event.getNewValue()).booleanValue();
}
}
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