json/bundles/org.eclipse.wst.json.ui/src/org/eclipse/wst/json/ui/internal/contentoutline/JFaceNodeAdapterFactory.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2001, 2015 IBM Corporation and others.
  * 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:
  *     IBM Corporation - initial API and implementation
  *     Jens Lukowski/Innoopract - initial renaming/restructuring
  *     Angelo Zerr <angelo.zerr@gmail.com> - copied from org.eclipse.wst.xml.ui.internal.contentoutline.JFaceNodeAdapterFactory
  *                                           modified in order to process JSON Objects.
  *******************************************************************************/
 package org.eclipse.wst.json.ui.internal.contentoutline;

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.jface.resource.ColorRegistry;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.text.TextAttribute;
 import org.eclipse.jface.util.IPropertyChangeListener;
 import org.eclipse.jface.util.PropertyChangeEvent;
 import org.eclipse.jface.viewers.StyledString;
 import org.eclipse.jface.viewers.StyledString.Styler;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.graphics.TextStyle;
 import org.eclipse.wst.json.core.regions.JSONRegionContexts;
 import org.eclipse.wst.json.ui.internal.ColorTypesHelper;
 import org.eclipse.wst.json.ui.internal.JSONUIPlugin;
 import org.eclipse.wst.json.ui.internal.style.IStyleConstantsJSON;
 import org.eclipse.wst.sse.core.internal.provisional.AbstractAdapterFactory;
 import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
 import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory;
 import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
 import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter;
 import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapterFactory;
 import org.eclipse.wst.sse.ui.internal.preferences.ui.ColorHelper;
 import org.eclipse.wst.sse.ui.internal.util.EditorUtility;

 /**
  * An adapter factory to create JFaceNodeAdapters. Use this adapter factory with
  * a JFaceAdapterContentProvider to display JSON nodes in a tree.
  */
 public class JFaceNodeAdapterFactory extends AbstractAdapterFactory implements
 		IJFaceNodeAdapterFactory {

 	private class PropertyChangeListener implements IPropertyChangeListener {
 		/*
 		 * (non-Javadoc)
 		 *
 		 * @see
 		 * org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org
 		 * .eclipse.jface.util.PropertyChangeEvent)
 		 */
 		public void propertyChange(PropertyChangeEvent event) {
 			// have to do it this way so others can override the method
 			handlePropertyChange(event);
 		}

 	}

 	private PropertyChangeListener fPreferenceListener = new PropertyChangeListener();

 	// public class CMDocumentManagerListenerImpl implements
 	// CMDocumentManagerListener {
 	// private static final int UPDATE_DELAY = 200;
 	//
 	// public void cacheCleared(CMDocumentCache cache) {
 	// // nothing to do
 	// }
 	//
 	// public void cacheUpdated(CMDocumentCache cache, final String uri, int
 	// oldStatus, int newStatus, CMDocument cmDocument) {
 	// if ((newStatus == CMDocumentCache.STATUS_LOADED) || (newStatus ==
 	// CMDocumentCache.STATUS_ERROR)) {
 	// refreshViewers();
 	// }
 	// }
 	//
 	// public void propertyChanged(CMDocumentManager cmDocumentManager, String
 	// propertyName) {
 	// if
 	// (cmDocumentManager.getPropertyEnabled(CMDocumentManager.PROPERTY_AUTO_LOAD))
 	// {
 	// refreshViewers();
 	// }
 	// }
 	//
 	// private void refreshViewers() {
 	// Object[] listeners = getListeners().toArray();
 	// for (int i = 0; i < listeners.length; i++) {
 	// if (listeners[i] instanceof StructuredViewer) {
 	// final StructuredViewer viewer = (StructuredViewer) listeners[i];
 	// Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) {
 	// public IStatus runInUIThread(IProgressMonitor monitor) {
 	// Control refreshControl = viewer.getControl();
 	// if ((refreshControl != null) && !refreshControl.isDisposed()) {
 	// viewer.refresh(true);
 	// }
 	// return Status.OK_STATUS;
 	// }
 	// };
 	// refresh.setSystem(true);
 	// refresh.setPriority(Job.SHORT);
 	// refresh.schedule(UPDATE_DELAY);
 	// }
 	// else if (listeners[i] instanceof Viewer) {
 	// final Viewer viewer = (Viewer) listeners[i];
 	// Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) {
 	// public IStatus runInUIThread(IProgressMonitor monitor) {
 	// Control refreshControl = viewer.getControl();
 	// if ((refreshControl != null) && !refreshControl.isDisposed()) {
 	// viewer.refresh();
 	// }
 	// return Status.OK_STATUS;
 	// }
 	// };
 	// refresh.setSystem(true);
 	// refresh.setPriority(Job.SHORT);
 	// refresh.schedule(UPDATE_DELAY);
 	// }
 	// }
 	// }
 	// }
 	//
 	// private CMDocumentManager cmDocumentManager;
 	// private CMDocumentManagerListenerImpl fCMDocumentManagerListener = null;
 	/**
 	 * This keeps track of all the listeners.
 	 */
 	private Set fListeners = new HashSet();

 	protected INodeAdapter singletonAdapter;

 	private Map<String, Styler> stylers;

 	public JFaceNodeAdapterFactory() {
 		this(IJFaceNodeAdapter.class, true);
 	}

 	public JFaceNodeAdapterFactory(Object adapterKey, boolean registerAdapters) {
 		super(adapterKey, registerAdapters);
 	}

 	public synchronized void addListener(Object listener) {
 		fListeners.add(listener);
 	}

 	public INodeAdapterFactory copy() {
 		return new JFaceNodeAdapterFactory(getAdapterKey(),
 				isShouldRegisterAdapter());
 	}

 	/**
 	 * Create a new JFace adapter for the JSON node passed in
 	 */
 	@Override
 	protected INodeAdapter createAdapter(INodeNotifier node) {
 		if (singletonAdapter == null) {
 			// create the JFaceNodeAdapter
 			singletonAdapter = new JFaceNodeAdapter(this);
 			initAdapter(singletonAdapter, node);
 		}
 		return singletonAdapter;
 	}

 	/**
 	 * returns "copy" so no one can modify our list. It is a shallow copy.
 	 */
 	public synchronized Collection getListeners() {
 		return new ArrayList(fListeners);
 	}

 	protected void initAdapter(INodeAdapter adapter, INodeNotifier node) {
 		// Assert.isTrue(cmDocumentManager == null);
 		// Assert.isTrue(fCMDocumentManagerListener == null);
 		//
 		// // register for CMDocumentManager events
 		// ModelQueryAdapter mqadapter = (ModelQueryAdapter)
 		// node.getAdapterFor(ModelQueryAdapter.class);
 		// if (mqadapter != null) {
 		// ModelQuery mquery = mqadapter.getModelQuery();
 		// if ((mquery != null) && (mquery.getCMDocumentManager() != null)) {
 		// cmDocumentManager = mquery.getCMDocumentManager();
 		// fCMDocumentManagerListener = new CMDocumentManagerListenerImpl();
 		// cmDocumentManager.addListener(fCMDocumentManagerListener);
 		// }
 		// }
 	}

 	public void release() {
 		// deregister from CMDocumentManager events
 		// if ((cmDocumentManager != null) && (fCMDocumentManagerListener !=
 		// null)) {
 		// cmDocumentManager.removeListener(fCMDocumentManagerListener);
 		// }
 		unRegisterPreferenceManager();
 		fListeners.clear();
 		if (singletonAdapter != null
 				&& singletonAdapter instanceof JFaceNodeAdapter) {
 			RefreshStructureJob refreshJob = ((JFaceNodeAdapter) singletonAdapter).fRefreshJob;
 			if (refreshJob != null) {
 				refreshJob.cancel();
 			}
 		}
 	}

 	public synchronized void removeListener(Object listener) {
 		fListeners.remove(listener);
 	}

 	private void handlePropertyChange(PropertyChangeEvent event) {
 		ColorTypesHelper.getNewStyle(event);
 	}

 	private void registerPreferenceManager() {
 		IPreferenceStore pref = getColorPreferences();
 		if (pref != null) {
 			pref.addPropertyChangeListener(fPreferenceListener);
 		}
 	}

 	private void unRegisterPreferenceManager() {
 		IPreferenceStore pref = getColorPreferences();
 		if (pref != null) {
 			pref.removePropertyChangeListener(fPreferenceListener);
 		}
 	}

 	private void addStyler(String regionType) {
 		String colorKey = ColorTypesHelper.getColor(regionType);
 		if (getColorPreferences() != null) {
 			String prefString = getColorPreferences().getString(colorKey);
 			String[] stylePrefs = ColorHelper
 					.unpackStylePreferences(prefString);
 			if (stylePrefs != null) {
 				RGB foreground = ColorHelper.toRGB(stylePrefs[0]);
 				RGB background = ColorHelper.toRGB(stylePrefs[1]);

 				Styler styler = new RGBStyler(foreground, background);
 				getStylers().put(regionType, styler);
 			}
 		}
 	}

 	protected Map<String, Styler> getStylers() {
 		if (stylers == null) {
 			stylers = new HashMap<String, Styler>();
 		}
 		return stylers;
 	}

 	public Styler getStyler(String type) {
 		if (stylers == null) {
 			addStyler(JSONRegionContexts.JSON_VALUE_BOOLEAN);
 			addStyler(JSONRegionContexts.JSON_VALUE_NULL);
 			addStyler(JSONRegionContexts.JSON_VALUE_NUMBER);
 			addStyler(JSONRegionContexts.JSON_VALUE_STRING);
 		}
 		return stylers.get(type);
 	}

 	protected IPreferenceStore getColorPreferences() {
 		return JSONUIPlugin.getDefault().getPreferenceStore();
 	}

 	private static class RGBStyler extends StyledString.Styler {
 		private final RGB fForegroundColorName;
 		private final RGB fBackgroundColorName;

 		public RGBStyler(RGB foregroundColorName, RGB backgroundColorName) {
 			this.fForegroundColorName = foregroundColorName;
 			this.fBackgroundColorName = backgroundColorName;
 		}

 		public void applyStyles(TextStyle textStyle) {
 			if (this.fForegroundColorName != null) {
 				textStyle.foreground = EditorUtility
 						.getColor(fForegroundColorName);
 			}
 			if (this.fBackgroundColorName != null)
 				textStyle.background = EditorUtility
 						.getColor(fBackgroundColorName);
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2001, 2015 IBM Corporation and others.
	* 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:
	* IBM Corporation - initial API and implementation
	* Jens Lukowski/Innoopract - initial renaming/restructuring
	* Angelo Zerr <angelo.zerr@gmail.com> - copied from org.eclipse.wst.xml.ui.internal.contentoutline.JFaceNodeAdapterFactory
	* modified in order to process JSON Objects.
	*******************************************************************************/
	package org.eclipse.wst.json.ui.internal.contentoutline;

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.jface.resource.ColorRegistry;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.jface.text.TextAttribute;
	import org.eclipse.jface.util.IPropertyChangeListener;
	import org.eclipse.jface.util.PropertyChangeEvent;
	import org.eclipse.jface.viewers.StyledString;
	import org.eclipse.jface.viewers.StyledString.Styler;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.graphics.RGB;
	import org.eclipse.swt.graphics.TextStyle;
	import org.eclipse.wst.json.core.regions.JSONRegionContexts;
	import org.eclipse.wst.json.ui.internal.ColorTypesHelper;
	import org.eclipse.wst.json.ui.internal.JSONUIPlugin;
	import org.eclipse.wst.json.ui.internal.style.IStyleConstantsJSON;
	import org.eclipse.wst.sse.core.internal.provisional.AbstractAdapterFactory;
	import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter;
	import org.eclipse.wst.sse.core.internal.provisional.INodeAdapterFactory;
	import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
	import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapter;
	import org.eclipse.wst.sse.ui.internal.contentoutline.IJFaceNodeAdapterFactory;
	import org.eclipse.wst.sse.ui.internal.preferences.ui.ColorHelper;
	import org.eclipse.wst.sse.ui.internal.util.EditorUtility;

	/**
	* An adapter factory to create JFaceNodeAdapters. Use this adapter factory with
	* a JFaceAdapterContentProvider to display JSON nodes in a tree.
	*/
	public class JFaceNodeAdapterFactory extends AbstractAdapterFactory implements
	IJFaceNodeAdapterFactory {

	private class PropertyChangeListener implements IPropertyChangeListener {
	/*
	* (non-Javadoc)
	*
	* @see
	* org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org
	* .eclipse.jface.util.PropertyChangeEvent)
	*/
	public void propertyChange(PropertyChangeEvent event) {
	// have to do it this way so others can override the method
	handlePropertyChange(event);
	}

	}

	private PropertyChangeListener fPreferenceListener = new PropertyChangeListener();

	// public class CMDocumentManagerListenerImpl implements
	// CMDocumentManagerListener {
	// private static final int UPDATE_DELAY = 200;
	//
	// public void cacheCleared(CMDocumentCache cache) {
	// // nothing to do
	// }
	//
	// public void cacheUpdated(CMDocumentCache cache, final String uri, int
	// oldStatus, int newStatus, CMDocument cmDocument) {
	// if ((newStatus == CMDocumentCache.STATUS_LOADED) \|\| (newStatus ==
	// CMDocumentCache.STATUS_ERROR)) {
	// refreshViewers();
	// }
	// }
	//
	// public void propertyChanged(CMDocumentManager cmDocumentManager, String
	// propertyName) {
	// if
	// (cmDocumentManager.getPropertyEnabled(CMDocumentManager.PROPERTY_AUTO_LOAD))
	// {
	// refreshViewers();
	// }
	// }
	//
	// private void refreshViewers() {
	// Object[] listeners = getListeners().toArray();
	// for (int i = 0; i < listeners.length; i++) {
	// if (listeners[i] instanceof StructuredViewer) {
	// final StructuredViewer viewer = (StructuredViewer) listeners[i];
	// Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) {
	// public IStatus runInUIThread(IProgressMonitor monitor) {
	// Control refreshControl = viewer.getControl();
	// if ((refreshControl != null) && !refreshControl.isDisposed()) {
	// viewer.refresh(true);
	// }
	// return Status.OK_STATUS;
	// }
	// };
	// refresh.setSystem(true);
	// refresh.setPriority(Job.SHORT);
	// refresh.schedule(UPDATE_DELAY);
	// }
	// else if (listeners[i] instanceof Viewer) {
	// final Viewer viewer = (Viewer) listeners[i];
	// Job refresh = new UIJob(XMLUIMessages.refreshoutline_0) {
	// public IStatus runInUIThread(IProgressMonitor monitor) {
	// Control refreshControl = viewer.getControl();
	// if ((refreshControl != null) && !refreshControl.isDisposed()) {
	// viewer.refresh();
	// }
	// return Status.OK_STATUS;
	// }
	// };
	// refresh.setSystem(true);
	// refresh.setPriority(Job.SHORT);
	// refresh.schedule(UPDATE_DELAY);
	// }
	// }
	// }
	// }
	//
	// private CMDocumentManager cmDocumentManager;
	// private CMDocumentManagerListenerImpl fCMDocumentManagerListener = null;
	/**
	* This keeps track of all the listeners.
	*/
	private Set fListeners = new HashSet();

	protected INodeAdapter singletonAdapter;

	private Map<String, Styler> stylers;

	public JFaceNodeAdapterFactory() {
	this(IJFaceNodeAdapter.class, true);
	}

	public JFaceNodeAdapterFactory(Object adapterKey, boolean registerAdapters) {
	super(adapterKey, registerAdapters);
	}

	public synchronized void addListener(Object listener) {
	fListeners.add(listener);
	}

	public INodeAdapterFactory copy() {
	return new JFaceNodeAdapterFactory(getAdapterKey(),
	isShouldRegisterAdapter());
	}

	/**
	* Create a new JFace adapter for the JSON node passed in
	*/
	@Override
	protected INodeAdapter createAdapter(INodeNotifier node) {
	if (singletonAdapter == null) {
	// create the JFaceNodeAdapter
	singletonAdapter = new JFaceNodeAdapter(this);
	initAdapter(singletonAdapter, node);
	}
	return singletonAdapter;
	}

	/**
	* returns "copy" so no one can modify our list. It is a shallow copy.
	*/
	public synchronized Collection getListeners() {
	return new ArrayList(fListeners);
	}

	protected void initAdapter(INodeAdapter adapter, INodeNotifier node) {
	// Assert.isTrue(cmDocumentManager == null);
	// Assert.isTrue(fCMDocumentManagerListener == null);
	//
	// // register for CMDocumentManager events
	// ModelQueryAdapter mqadapter = (ModelQueryAdapter)
	// node.getAdapterFor(ModelQueryAdapter.class);
	// if (mqadapter != null) {
	// ModelQuery mquery = mqadapter.getModelQuery();
	// if ((mquery != null) && (mquery.getCMDocumentManager() != null)) {
	// cmDocumentManager = mquery.getCMDocumentManager();
	// fCMDocumentManagerListener = new CMDocumentManagerListenerImpl();
	// cmDocumentManager.addListener(fCMDocumentManagerListener);
	// }
	// }
	}

	public void release() {
	// deregister from CMDocumentManager events
	// if ((cmDocumentManager != null) && (fCMDocumentManagerListener !=
	// null)) {
	// cmDocumentManager.removeListener(fCMDocumentManagerListener);
	// }
	unRegisterPreferenceManager();
	fListeners.clear();
	if (singletonAdapter != null
	&& singletonAdapter instanceof JFaceNodeAdapter) {
	RefreshStructureJob refreshJob = ((JFaceNodeAdapter) singletonAdapter).fRefreshJob;
	if (refreshJob != null) {
	refreshJob.cancel();
	}
	}
	}

	public synchronized void removeListener(Object listener) {
	fListeners.remove(listener);
	}

	private void handlePropertyChange(PropertyChangeEvent event) {
	ColorTypesHelper.getNewStyle(event);
	}

	private void registerPreferenceManager() {
	IPreferenceStore pref = getColorPreferences();
	if (pref != null) {
	pref.addPropertyChangeListener(fPreferenceListener);
	}
	}

	private void unRegisterPreferenceManager() {
	IPreferenceStore pref = getColorPreferences();
	if (pref != null) {
	pref.removePropertyChangeListener(fPreferenceListener);
	}
	}

	private void addStyler(String regionType) {
	String colorKey = ColorTypesHelper.getColor(regionType);
	if (getColorPreferences() != null) {
	String prefString = getColorPreferences().getString(colorKey);
	String[] stylePrefs = ColorHelper
	.unpackStylePreferences(prefString);
	if (stylePrefs != null) {
	RGB foreground = ColorHelper.toRGB(stylePrefs[0]);
	RGB background = ColorHelper.toRGB(stylePrefs[1]);

	Styler styler = new RGBStyler(foreground, background);
	getStylers().put(regionType, styler);
	}
	}
	}

	protected Map<String, Styler> getStylers() {
	if (stylers == null) {
	stylers = new HashMap<String, Styler>();
	}
	return stylers;
	}

	public Styler getStyler(String type) {
	if (stylers == null) {
	addStyler(JSONRegionContexts.JSON_VALUE_BOOLEAN);
	addStyler(JSONRegionContexts.JSON_VALUE_NULL);
	addStyler(JSONRegionContexts.JSON_VALUE_NUMBER);
	addStyler(JSONRegionContexts.JSON_VALUE_STRING);
	}
	return stylers.get(type);
	}

	protected IPreferenceStore getColorPreferences() {
	return JSONUIPlugin.getDefault().getPreferenceStore();
	}

	private static class RGBStyler extends StyledString.Styler {
	private final RGB fForegroundColorName;
	private final RGB fBackgroundColorName;

	public RGBStyler(RGB foregroundColorName, RGB backgroundColorName) {
	this.fForegroundColorName = foregroundColorName;
	this.fBackgroundColorName = backgroundColorName;
	}

	public void applyStyles(TextStyle textStyle) {
	if (this.fForegroundColorName != null) {
	textStyle.foreground = EditorUtility
	.getColor(fForegroundColorName);
	}
	if (this.fBackgroundColorName != null)
	textStyle.background = EditorUtility
	.getColor(fBackgroundColorName);
	}
	}

	}