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/*******************************************************************************
* Copyright (c) 2004 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.css.ui.style;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.wst.common.encoding.content.IContentTypeIdentifier;
import org.eclipse.wst.css.core.parser.CSSRegionContexts;
import org.eclipse.wst.sse.core.text.ITextRegion;
import org.eclipse.wst.sse.ui.EditorPlugin;
import org.eclipse.wst.sse.ui.preferences.PreferenceKeyGenerator;
import org.eclipse.wst.sse.ui.style.AbstractLineStyleProvider;
import org.eclipse.wst.sse.ui.style.LineStyleProvider;
/**
*/
public class LineStyleProviderForCSS extends AbstractLineStyleProvider implements LineStyleProvider {
/** Contains region to style mapping */
private Map fColorTypes;
/**
* LineStyleProviderForEmbeddedCSS constructor comment.
*/
public LineStyleProviderForCSS() {
super();
initAttributes();
loadColors();
}
protected TextAttribute getAttributeFor(ITextRegion region) {
if (region != null) {
String type = region.getType();
if (type != null) {
return getAttributeFor(type);
}
}
return (TextAttribute) getTextAttributes().get(IStyleConstantsCSS.NORMAL);
}
protected TextAttribute getAttributeFor(String type) {
return (TextAttribute) getTextAttributes().get(fColorTypes.get(type));
}
private void initAttributes() {
if (fColorTypes == null) {
fColorTypes = new HashMap();
}
fColorTypes.put(CSSRegionContexts.CSS_COMMENT, IStyleConstantsCSS.COMMENT);
fColorTypes.put(CSSRegionContexts.CSS_CDO, IStyleConstantsCSS.COMMENT);
fColorTypes.put(CSSRegionContexts.CSS_CDC, IStyleConstantsCSS.COMMENT);
fColorTypes.put(CSSRegionContexts.CSS_S, IStyleConstantsCSS.NORMAL);
fColorTypes.put(CSSRegionContexts.CSS_DELIMITER, IStyleConstantsCSS.SEMI_COLON);
fColorTypes.put(CSSRegionContexts.CSS_LBRACE, IStyleConstantsCSS.CURLY_BRACE);
fColorTypes.put(CSSRegionContexts.CSS_RBRACE, IStyleConstantsCSS.CURLY_BRACE);
fColorTypes.put(CSSRegionContexts.CSS_IMPORT, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_PAGE, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_MEDIA, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_FONT_FACE, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_CHARSET, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_ATKEYWORD, IStyleConstantsCSS.ATMARK_RULE);
fColorTypes.put(CSSRegionContexts.CSS_STRING, IStyleConstantsCSS.STRING);
fColorTypes.put(CSSRegionContexts.CSS_URI, IStyleConstantsCSS.URI);
fColorTypes.put(CSSRegionContexts.CSS_MEDIUM, IStyleConstantsCSS.MEDIA);
fColorTypes.put(CSSRegionContexts.CSS_MEDIA_SEPARATOR, IStyleConstantsCSS.MEDIA);
fColorTypes.put(CSSRegionContexts.CSS_CHARSET_NAME, IStyleConstantsCSS.STRING);
fColorTypes.put(CSSRegionContexts.CSS_PAGE_SELECTOR, IStyleConstantsCSS.MEDIA);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ELEMENT_NAME, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_UNIVERSAL, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_PSEUDO, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_CLASS, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ID, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_COMBINATOR, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_SEPARATOR, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_START, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_END, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_NAME, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_VALUE, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_SELECTOR_ATTRIBUTE_OPERATOR, IStyleConstantsCSS.SELECTOR);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_PROPERTY, IStyleConstantsCSS.PROPERTY_NAME);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_IDENT, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_DIMENSION, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_PERCENTAGE, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_NUMBER, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_FUNCTION, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_PARENTHESIS_CLOSE, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_STRING, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_URI, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_HASH, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_UNICODE_RANGE, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_IMPORTANT, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_OPERATOR, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_VALUE_S, IStyleConstantsCSS.PROPERTY_VALUE);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_SEPARATOR, IStyleConstantsCSS.COLON);
fColorTypes.put(CSSRegionContexts.CSS_DECLARATION_DELIMITER, IStyleConstantsCSS.SEMI_COLON);
fColorTypes.put(CSSRegionContexts.CSS_UNKNOWN, IStyleConstantsCSS.NORMAL);
}
protected void handlePropertyChange(PropertyChangeEvent event) {
String styleKey = null;
if (event != null) {
String prefKey = event.getProperty();
// check if preference changed is a style preference
if (getPreferenceKey(IStyleConstantsCSS.ATMARK_RULE).equals(prefKey)) {
styleKey = IStyleConstantsCSS.ATMARK_RULE;
} else if (getPreferenceKey(IStyleConstantsCSS.COLON).equals(prefKey)) {
styleKey = IStyleConstantsCSS.COLON;
} else if (getPreferenceKey(IStyleConstantsCSS.COMMENT).equals(prefKey)) {
styleKey = IStyleConstantsCSS.COMMENT;
} else if (getPreferenceKey(IStyleConstantsCSS.CURLY_BRACE).equals(prefKey)) {
styleKey = IStyleConstantsCSS.CURLY_BRACE;
} else if (getPreferenceKey(IStyleConstantsCSS.ERROR).equals(prefKey)) {
styleKey = IStyleConstantsCSS.ERROR;
} else if (getPreferenceKey(IStyleConstantsCSS.MEDIA).equals(prefKey)) {
styleKey = IStyleConstantsCSS.MEDIA;
} else if (getPreferenceKey(IStyleConstantsCSS.NORMAL).equals(prefKey)) {
styleKey = IStyleConstantsCSS.NORMAL;
} else if (getPreferenceKey(IStyleConstantsCSS.PROPERTY_NAME).equals(prefKey)) {
styleKey = IStyleConstantsCSS.PROPERTY_NAME;
} else if (getPreferenceKey(IStyleConstantsCSS.PROPERTY_VALUE).equals(prefKey)) {
styleKey = IStyleConstantsCSS.PROPERTY_VALUE;
} else if (getPreferenceKey(IStyleConstantsCSS.SELECTOR).equals(prefKey)) {
styleKey = IStyleConstantsCSS.SELECTOR;
} else if (getPreferenceKey(IStyleConstantsCSS.SEMI_COLON).equals(prefKey)) {
styleKey = IStyleConstantsCSS.SEMI_COLON;
} else if (getPreferenceKey(IStyleConstantsCSS.STRING).equals(prefKey)) {
styleKey = IStyleConstantsCSS.STRING;
} else if (getPreferenceKey(IStyleConstantsCSS.URI).equals(prefKey)) {
styleKey = IStyleConstantsCSS.URI;
}
} else {
// this is around for old deprecated preferencesChanged() method
// TODO remove when preferencesChanged() is removed
loadColors();
super.handlePropertyChange(event);
}
if (styleKey != null) {
// overwrite style preference with new value
addTextAttribute(styleKey);
super.handlePropertyChange(event);
}
}
public void release() {
if (fColorTypes != null) {
fColorTypes.clear();
}
super.release();
}
public void loadColors() {
clearColors();
addTextAttribute(IStyleConstantsCSS.ATMARK_RULE);
addTextAttribute(IStyleConstantsCSS.COLON);
addTextAttribute(IStyleConstantsCSS.COMMENT);
addTextAttribute(IStyleConstantsCSS.CURLY_BRACE);
addTextAttribute(IStyleConstantsCSS.ERROR);
addTextAttribute(IStyleConstantsCSS.MEDIA);
addTextAttribute(IStyleConstantsCSS.NORMAL);
addTextAttribute(IStyleConstantsCSS.PROPERTY_NAME);
addTextAttribute(IStyleConstantsCSS.PROPERTY_VALUE);
addTextAttribute(IStyleConstantsCSS.SELECTOR);
addTextAttribute(IStyleConstantsCSS.SEMI_COLON);
addTextAttribute(IStyleConstantsCSS.STRING);
addTextAttribute(IStyleConstantsCSS.URI);
}
protected void clearColors() {
getTextAttributes().clear();
}
protected String getPreferenceKey(String key) {
String contentTypeId = IContentTypeIdentifier.ContentTypeID_CSS;
return PreferenceKeyGenerator.generateKey(key, contentTypeId);
}
protected IPreferenceStore getColorPreferences() {
return EditorPlugin.getDefault().getPreferenceStore();
}
}
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