/*******************************************************************************
* Copyright (c) 2001, 2005 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.dtd.ui.internal.style;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.wst.dtd.core.internal.parser.DTDRegionTypes;
import org.eclipse.wst.dtd.ui.internal.DTDUIPlugin;
import org.eclipse.wst.sse.core.internal.provisional.text.ITextRegion;
import org.eclipse.wst.sse.ui.internal.provisional.style.AbstractLineStyleProvider;
import org.eclipse.wst.sse.ui.internal.provisional.style.LineStyleProvider;
public class LineStyleProviderForDTD extends AbstractLineStyleProvider implements LineStyleProvider {
public LineStyleProviderForDTD() {
super();
}
protected TextAttribute getAttributeFor(ITextRegion region) {
/**
* a method to centralize all the "format rules" for regions
* specifically associated for how to "open" the region.
*/
// not sure why this is coming through null, but just to catch it
if (region == null) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_DEFAULT);
}
String type = region.getType();
if (type == DTDRegionTypes.CONTENT_EMPTY || type == DTDRegionTypes.CONTENT_ANY || type == DTDRegionTypes.CONTENT_PCDATA) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_DATA);
}
else if (type == DTDRegionTypes.ELEMENT_TAG || type == DTDRegionTypes.ENTITY_TAG || type == DTDRegionTypes.ATTLIST_TAG || type == DTDRegionTypes.NOTATION_TAG) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_TAGNAME);
}
else if (type == DTDRegionTypes.CONNECTOR || type == DTDRegionTypes.OCCUR_TYPE) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_SYMBOL);
}
else if (type == DTDRegionTypes.NDATA_VALUE) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_DATA);
}
else if (type == DTDRegionTypes.START_TAG || type == DTDRegionTypes.END_TAG || type == DTDRegionTypes.EXCLAMATION) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_TAG);
}
else if (type == DTDRegionTypes.COMMENT_START || type == DTDRegionTypes.COMMENT_CONTENT || type == DTDRegionTypes.COMMENT_END) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_COMMENT);
}
else if (type == DTDRegionTypes.SINGLEQUOTED_LITERAL || type == DTDRegionTypes.DOUBLEQUOTED_LITERAL) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_STRING);
}
else if (type == DTDRegionTypes.SYSTEM_KEYWORD || type == DTDRegionTypes.PUBLIC_KEYWORD || type == DTDRegionTypes.NDATA_KEYWORD || type == DTDRegionTypes.CDATA_KEYWORD || type == DTDRegionTypes.ID_KEYWORD || type == DTDRegionTypes.IDREF_KEYWORD || type == DTDRegionTypes.IDREFS_KEYWORD || type == DTDRegionTypes.ENTITY_KEYWORD || type == DTDRegionTypes.ENTITIES_KEYWORD || type == DTDRegionTypes.NMTOKEN_KEYWORD || type == DTDRegionTypes.NMTOKENS_KEYWORD || type == DTDRegionTypes.NOTATION_KEYWORD || type == DTDRegionTypes.REQUIRED_KEYWORD || type == DTDRegionTypes.IMPLIED_KEYWORD || type == DTDRegionTypes.FIXED_KEYWORD) {
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_KEYWORD);
}
else if (type == DTDRegionTypes.NAME || type == DTDRegionTypes.ENTITY_PARM) {
// if (region instanceof DTDRegion) {
// DTDRegion dtdRegion = (DTDRegion) region;
// IStructuredDocumentRegion flatNode = dtdRegion.getParent();
// String regionText = flatNode.getText(dtdRegion);
// if (regionText.equals("ANY") || regionText.equals("EMPTY")) {
// return new TextAttribute(DTDColors.DTD_KEYWORD);
// }
// }
return (TextAttribute) getTextAttributes().get(IStyleConstantsDTD.DTD_DATA);
}
// default, return null to signal "not handled"
// in which case, other factories should be tried
return null;
}
protected IPreferenceStore getColorPreferences() {
return DTDUIPlugin.getDefault().getPreferenceStore();
}
protected void handlePropertyChange(PropertyChangeEvent event) {
String styleKey = null;
if (event != null) {
String prefKey = event.getProperty();
// check if preference changed is a style preference
if (IStyleConstantsDTD.DTD_DEFAULT.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_DEFAULT;
}
else if (IStyleConstantsDTD.DTD_TAG.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_TAG;
}
else if (IStyleConstantsDTD.DTD_TAGNAME.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_TAGNAME;
}
else if (IStyleConstantsDTD.DTD_COMMENT.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_COMMENT;
}
else if (IStyleConstantsDTD.DTD_KEYWORD.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_KEYWORD;
}
else if (IStyleConstantsDTD.DTD_STRING.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_STRING;
}
else if (IStyleConstantsDTD.DTD_DATA.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_DATA;
}
else if (IStyleConstantsDTD.DTD_SYMBOL.equals(prefKey)) {
styleKey = IStyleConstantsDTD.DTD_SYMBOL;
}
}
if (styleKey != null) {
// overwrite style preference with new value
addTextAttribute(styleKey);
super.handlePropertyChange(event);
}
}
protected void loadColors() {
addTextAttribute(IStyleConstantsDTD.DTD_DEFAULT);
addTextAttribute(IStyleConstantsDTD.DTD_TAG);
addTextAttribute(IStyleConstantsDTD.DTD_TAGNAME);
addTextAttribute(IStyleConstantsDTD.DTD_COMMENT);
addTextAttribute(IStyleConstantsDTD.DTD_KEYWORD);
addTextAttribute(IStyleConstantsDTD.DTD_STRING);
addTextAttribute(IStyleConstantsDTD.DTD_DATA);
addTextAttribute(IStyleConstantsDTD.DTD_SYMBOL);
}
}