| /** |
| * Copyright (c) 2013-2015 Angelo ZERR. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation |
| */ |
| package org.eclipse.wst.json.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.json.ui.internal.ColorTypesHelper; |
| import org.eclipse.wst.json.ui.internal.JSONUIPlugin; |
| 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; |
| |
| /** |
| * Line style provider for JSON. |
| */ |
| public class LineStyleProviderForJSON extends AbstractLineStyleProvider |
| implements LineStyleProvider { |
| |
| public LineStyleProviderForJSON() { |
| super(); |
| } |
| |
| @Override |
| protected TextAttribute getAttributeFor(ITextRegion region) { |
| if (region != null) { |
| String type = region.getType(); |
| if (type != null) { |
| return getAttributeFor(type); |
| } |
| } |
| return (TextAttribute) getTextAttributes().get( |
| IStyleConstantsJSON.NORMAL); |
| } |
| |
| /** |
| * Look up the TextAttribute for the given region context. Might return null |
| * for unusual text. |
| * |
| * @param type |
| * @return |
| */ |
| protected TextAttribute getAttributeFor(String type) { |
| return (TextAttribute) getTextAttributes().get( |
| ColorTypesHelper.getColor(type)); |
| } |
| |
| @Override |
| protected void handlePropertyChange(PropertyChangeEvent event) { |
| String styleKey = ColorTypesHelper.getNewStyle(event); |
| if (event != null) { |
| String prefKey = event.getProperty(); |
| // check if preference changed is a style preference |
| if (IStyleConstantsJSON.COLON.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.COLON; |
| } else if (IStyleConstantsJSON.COMMA.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.COMMA; |
| } else if (IStyleConstantsJSON.CURLY_BRACE.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.CURLY_BRACE; |
| } else if (IStyleConstantsJSON.NORMAL.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.NORMAL; |
| } else if (IStyleConstantsJSON.OBJECT_KEY.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.OBJECT_KEY; |
| } else if (IStyleConstantsJSON.VALUE_BOOLEAN.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.VALUE_BOOLEAN; |
| } else if (IStyleConstantsJSON.VALUE_NULL.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.VALUE_NULL; |
| } else if (IStyleConstantsJSON.VALUE_NUMBER.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.VALUE_NUMBER; |
| } else if (IStyleConstantsJSON.VALUE_STRING.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.VALUE_STRING; |
| } else if (IStyleConstantsJSON.COMMENT.equals(prefKey)) { |
| styleKey = IStyleConstantsJSON.COMMENT; |
| } |
| } |
| if (styleKey != null) { |
| // overwrite style preference with new value |
| addTextAttribute(styleKey); |
| super.handlePropertyChange(event); |
| } |
| } |
| |
| @Override |
| public void release() { |
| super.release(); |
| } |
| |
| @Override |
| public void loadColors() { |
| addTextAttribute(IStyleConstantsJSON.NORMAL); |
| addTextAttribute(IStyleConstantsJSON.CURLY_BRACE); |
| addTextAttribute(IStyleConstantsJSON.COLON); |
| addTextAttribute(IStyleConstantsJSON.COMMA); |
| addTextAttribute(IStyleConstantsJSON.COMMENT); |
| |
| addTextAttribute(IStyleConstantsJSON.OBJECT_KEY); |
| addTextAttribute(IStyleConstantsJSON.VALUE_STRING); |
| addTextAttribute(IStyleConstantsJSON.VALUE_NUMBER); |
| addTextAttribute(IStyleConstantsJSON.VALUE_BOOLEAN); |
| addTextAttribute(IStyleConstantsJSON.VALUE_NULL); |
| } |
| |
| protected IPreferenceStore getColorPreferences() { |
| return JSONUIPlugin.getDefault().getPreferenceStore(); |
| } |
| } |