bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/properties/CSSPropertySource.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * 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.internal.properties;

 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.views.properties.IPropertyDescriptor;
 import org.eclipse.ui.views.properties.IPropertySource;
 import org.eclipse.wst.css.core.internal.metamodel.CSSMMCategory;
 import org.eclipse.wst.css.core.internal.metamodel.CSSMMNode;
 import org.eclipse.wst.css.core.internal.metamodel.CSSMetaModel;
 import org.eclipse.wst.css.core.internal.metamodel.util.CSSMetaModelFinder;
 import org.eclipse.wst.css.core.internal.metamodel.util.CSSMetaModelUtil;
 import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
 import org.eclipse.wst.css.core.internal.provisional.document.ICSSNodeList;
 import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclItem;
 import org.eclipse.wst.css.ui.internal.CSSUIMessages;
 import org.w3c.dom.css.CSSStyleDeclaration;

 /**
  * A IPropertySource implementation for a JFace viewer used to display
  * properties of CSS nodes.
  */
 public class CSSPropertySource implements IPropertySource {
 	protected ICSSNode fNode = null;
 	// for performance...
 	final static Class ADAPTER_KEY = IPropertySource.class;
 	final boolean PERF_GETDESCRIPTORS = false;
 	private long time0;

 	public CSSPropertySource(ICSSNode target) {
 		super();
 		fNode =  target;
 	}

 	protected IPropertyDescriptor createDefaultPropertyDescriptor(String attributeName) {
 		// the displayName MUST be set
 		IPropertyDescriptor descriptor = new CSSTextPropertyDescriptor(attributeName, attributeName, fNode);
 		// IPropertyDescriptor descriptor = new
 		// TextPropertyDescriptor(attributeName, attributeName);
 		return descriptor;
 	}

 	protected IPropertyDescriptor createPropertyDescriptor(CSSMMNode node, String category) {
 		return createPropertyDescriptor(node.getName(), category);
 	}

 	protected IPropertyDescriptor createPropertyDescriptor(String name, String category) {
 		IPropertyDescriptor descriptor = null;
 		if (name != null && 0 < name.length()) {
 			name = name.toLowerCase();
 			if (category == null) {
 				category = CSSUIMessages.INFO_Not_Categorized_1; //$NON-NLS-1$
 			}
 			descriptor = new CSSTextPropertyDescriptor(name, name, fNode, category);
 			// if (category == null) {
 			// descriptor = new CSSTextPropertyDescriptor(name, name, fNode);
 			// } else {
 			// descriptor = new CSSTextPropertyDescriptor(name, name, fNode,
 			// category);
 			// }
 		}
 		return descriptor;
 	}

 	/**
 	 * Returns a value for this object that can be editted in a property
 	 * sheet.
 	 *
 	 * @return a value that can be editted
 	 */
 	public Object getEditableValue() {
 		return null;
 	}

 	/**
 	 * Returns the current collection of property descriptors.
 	 *
 	 * @return a vector containing all descriptors.
 	 */
 	public IPropertyDescriptor[] getPropertyDescriptors() {
 		time0 = System.currentTimeMillis();

 		CSSMetaModel metamodel = CSSMetaModelFinder.getInstance().findMetaModelFor(fNode);
 		Iterator iProperties = Collections.EMPTY_LIST.iterator();
 		switch (fNode.getNodeType()) {
 			case ICSSNode.STYLERULE_NODE :
 			case ICSSNode.FONTFACERULE_NODE :
 			case ICSSNode.PAGERULE_NODE :
 			case ICSSNode.STYLEDECLARATION_NODE :
 				CSSMMNode mmParent = new CSSMetaModelUtil(metamodel).getMetaModelNodeFor(fNode);
 				if (mmParent != null) {
 					iProperties = mmParent.getChildNodes();
 				}
 				break;
 			case ICSSNode.STYLEDECLITEM_NODE :
 				CSSMMNode mmNode = new CSSMetaModelUtil(metamodel).getMetaModelNodeFor(fNode);
 				if (mmNode != null) {
 					iProperties = Collections.singletonList(mmNode).iterator();
 				}
 				break;
 			default :
 				break;
 		}

 		// setup categories
 		Map categories = new HashMap();
 		Iterator iCategories = metamodel.getCategories();
 		while (iCategories.hasNext()) {
 			CSSMMCategory category = (CSSMMCategory) iCategories.next();
 			categories.put(category.getName(), category.getCaption());
 		}

 		// collect property names
 		Set declaredProperties = new HashSet();
 		if (iProperties.hasNext()) {
 			CSSStyleDeclaration declaration = getDeclarationNode();
 			if (declaration != null) {
 				ICSSNodeList nodeList = ((ICSSNode) declaration).getChildNodes();
 				int nProps = (nodeList != null) ? nodeList.getLength() : 0;
 				for (int i = 0; i < nProps; i++) {
 					ICSSNode node = nodeList.item(i);
 					if (node instanceof ICSSStyleDeclItem) {
 						String name = ((ICSSStyleDeclItem) node).getPropertyName();
 						if (name != null && 0 < name.length()) {
 							declaredProperties.add(name.toLowerCase());
 						}
 					}
 				}
 			}
 		}

 		List descriptors = new ArrayList();

 		// first: properties from content model
 		while (iProperties.hasNext()) {
 			CSSMMNode node = (CSSMMNode) iProperties.next();
 			if (node.getType() == CSSMMNode.TYPE_PROPERTY || node.getType() == CSSMMNode.TYPE_DESCRIPTOR) {
 				String category = (String) categories.get(node.getAttribute("category")); //$NON-NLS-1$
 				String name = node.getName().toLowerCase();
 				if (declaredProperties.contains(name)) {
 					declaredProperties.remove(name);
 				}
 				IPropertyDescriptor descriptor = createPropertyDescriptor(name, category);
 				if (descriptor != null) {
 					descriptors.add(descriptor);
 				}
 			}
 		}

 		// second: existing properties but not in content model
 		Iterator iRemains = declaredProperties.iterator();
 		while (iRemains.hasNext()) {
 			IPropertyDescriptor descriptor = createPropertyDescriptor((String) iRemains.next(), null);
 			if (descriptor != null) {
 				descriptors.add(descriptor);
 			}
 		}

 		IPropertyDescriptor[] resultArray = new IPropertyDescriptor[descriptors.size()];
 		if (PERF_GETDESCRIPTORS) {
 			System.out.println(getClass().getName() + ".getPropertyDescriptors: " + (System.currentTimeMillis() - time0) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$
 		}
 		return (IPropertyDescriptor[]) descriptors.toArray(resultArray);
 	}

 	/**
 	 * Returns the current value for the named property.
 	 *
 	 * @param name
 	 *            the name of the property as named by its property descriptor
 	 * @return the current value of the property
 	 */
 	public Object getPropertyValue(Object name) {
 		if (name == null) {
 			return ""; //$NON-NLS-1$
 		}

 		String valueString = null;
 		String nameString = name.toString();

 		CSSStyleDeclaration declaration = null;

 		switch (fNode.getNodeType()) {
 			case ICSSNode.STYLEDECLITEM_NODE :
 				valueString = ((ICSSStyleDeclItem) fNode).getCSSValueText();
 				break;
 			case ICSSNode.STYLERULE_NODE :
 			case ICSSNode.FONTFACERULE_NODE :
 			case ICSSNode.PAGERULE_NODE :
 				declaration = (CSSStyleDeclaration) fNode.getFirstChild();
 				if (declaration != null) {
 					valueString = declaration.getPropertyValue(nameString);
 				}
 				break;
 			case ICSSNode.STYLEDECLARATION_NODE :
 				valueString = ((CSSStyleDeclaration) fNode).getPropertyValue(nameString);
 				break;
 			case ICSSNode.PRIMITIVEVALUE_NODE :
 				ICSSNode parent = fNode;
 				while (parent != null && !(parent instanceof ICSSStyleDeclItem)) {
 					parent = parent.getParentNode();
 				}
 				if (parent != null) {
 					valueString = ((ICSSStyleDeclItem) parent).getCSSValueText();
 				}
 				break;
 			default :
 				break;
 		}

 		if (valueString == null) {
 			valueString = ""; //$NON-NLS-1$
 		}

 		return valueString;
 	}

 	/**
 	 * Returns whether the property value has changed from the default.
 	 *
 	 * @return <code>true</code> if the value of the specified property has
 	 *         changed from its original default value; <code>false</code>
 	 *         otherwise.
 	 */
 	public boolean isPropertySet(Object property) {
 		if (property == null) {
 			return false;
 		}
 		CSSStyleDeclaration declaration = getDeclarationNode();
 		if (declaration != null) {
 			String value = declaration.getPropertyValue(property.toString());
 			if (value != null && 0 < value.length()) {
 				return true;
 			}
 		}

 		return false;
 	}

 	/**
 	 * Resets the specified property's value to its default value.
 	 *
 	 * @param property
 	 *            the property to reset
 	 */
 	public void resetPropertyValue(Object str) {
 		if (str == null) {
 			return;
 		}
 		CSSStyleDeclaration declaration = getDeclarationNode();
 		if (declaration != null) {
 			declaration.removeProperty(str.toString());
 		}
 	}

 	/**
 	 * Sets the named property to the given value.
 	 *
 	 * @param name
 	 *            the name of the property being set
 	 * @param value
 	 *            the new value for the property
 	 */
 	public void setPropertyValue(Object name, Object value) {
 		if (name == null) {
 			return;
 		}
 		String valueString = (value != null) ? value.toString() : null;
 		String nameString = name.toString();
 		CSSStyleDeclaration declaration = getDeclarationNode();
 		if (declaration != null) {
 			try {
 				if (valueString == null || valueString.length() <= 0) {
 					declaration.removeProperty(nameString);
 				}
 				else {
 					declaration.setProperty(nameString, valueString, ""); //$NON-NLS-1$
 				}
 			}
 			catch (Exception e) {
 				IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
 				String title = CSSUIMessages.Title_InvalidValue; //$NON-NLS-1$
 				String message = CSSUIMessages.Message_InvalidValue; //$NON-NLS-1$
 				MessageDialog.openWarning(window.getShell(), title, message);
 			}
 		}
 	}

 	private CSSStyleDeclaration getDeclarationNode() {
 		CSSStyleDeclaration declaration = null;

 		switch (fNode.getNodeType()) {
 			case ICSSNode.STYLEDECLITEM_NODE :
 				declaration = (CSSStyleDeclaration) fNode.getParentNode();
 				break;
 			case ICSSNode.STYLERULE_NODE :
 			case ICSSNode.FONTFACERULE_NODE :
 			case ICSSNode.PAGERULE_NODE :
 				declaration = (CSSStyleDeclaration) fNode.getFirstChild();
 				break;
 			case ICSSNode.STYLEDECLARATION_NODE :
 				declaration = (CSSStyleDeclaration) fNode;
 				break;
 			case ICSSNode.PRIMITIVEVALUE_NODE :
 				ICSSNode parent = fNode;
 				while (parent != null && !(parent instanceof CSSStyleDeclaration)) {
 					parent = parent.getParentNode();
 				}
 				if (parent != null) {
 					declaration = (CSSStyleDeclaration) parent;
 				}
 				break;
 			default :
 				break;
 		}

 		return declaration;
 	}
 }
	/*******************************************************************************
	* 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.internal.properties;

	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.ui.IWorkbenchWindow;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.views.properties.IPropertyDescriptor;
	import org.eclipse.ui.views.properties.IPropertySource;
	import org.eclipse.wst.css.core.internal.metamodel.CSSMMCategory;
	import org.eclipse.wst.css.core.internal.metamodel.CSSMMNode;
	import org.eclipse.wst.css.core.internal.metamodel.CSSMetaModel;
	import org.eclipse.wst.css.core.internal.metamodel.util.CSSMetaModelFinder;
	import org.eclipse.wst.css.core.internal.metamodel.util.CSSMetaModelUtil;
	import org.eclipse.wst.css.core.internal.provisional.document.ICSSNode;
	import org.eclipse.wst.css.core.internal.provisional.document.ICSSNodeList;
	import org.eclipse.wst.css.core.internal.provisional.document.ICSSStyleDeclItem;
	import org.eclipse.wst.css.ui.internal.CSSUIMessages;
	import org.w3c.dom.css.CSSStyleDeclaration;

	/**
	* A IPropertySource implementation for a JFace viewer used to display
	* properties of CSS nodes.
	*/
	public class CSSPropertySource implements IPropertySource {
	protected ICSSNode fNode = null;
	// for performance...
	final static Class ADAPTER_KEY = IPropertySource.class;
	final boolean PERF_GETDESCRIPTORS = false;
	private long time0;

	public CSSPropertySource(ICSSNode target) {
	super();
	fNode = target;
	}

	protected IPropertyDescriptor createDefaultPropertyDescriptor(String attributeName) {
	// the displayName MUST be set
	IPropertyDescriptor descriptor = new CSSTextPropertyDescriptor(attributeName, attributeName, fNode);
	// IPropertyDescriptor descriptor = new
	// TextPropertyDescriptor(attributeName, attributeName);
	return descriptor;
	}

	protected IPropertyDescriptor createPropertyDescriptor(CSSMMNode node, String category) {
	return createPropertyDescriptor(node.getName(), category);
	}

	protected IPropertyDescriptor createPropertyDescriptor(String name, String category) {
	IPropertyDescriptor descriptor = null;
	if (name != null && 0 < name.length()) {
	name = name.toLowerCase();
	if (category == null) {
	category = CSSUIMessages.INFO_Not_Categorized_1; //$NON-NLS-1$
	}
	descriptor = new CSSTextPropertyDescriptor(name, name, fNode, category);
	// if (category == null) {
	// descriptor = new CSSTextPropertyDescriptor(name, name, fNode);
	// } else {
	// descriptor = new CSSTextPropertyDescriptor(name, name, fNode,
	// category);
	// }
	}
	return descriptor;
	}

	/**
	* Returns a value for this object that can be editted in a property
	* sheet.
	*
	* @return a value that can be editted
	*/
	public Object getEditableValue() {
	return null;
	}

	/**
	* Returns the current collection of property descriptors.
	*
	* @return a vector containing all descriptors.
	*/
	public IPropertyDescriptor[] getPropertyDescriptors() {
	time0 = System.currentTimeMillis();

	CSSMetaModel metamodel = CSSMetaModelFinder.getInstance().findMetaModelFor(fNode);
	Iterator iProperties = Collections.EMPTY_LIST.iterator();
	switch (fNode.getNodeType()) {
	case ICSSNode.STYLERULE_NODE :
	case ICSSNode.FONTFACERULE_NODE :
	case ICSSNode.PAGERULE_NODE :
	case ICSSNode.STYLEDECLARATION_NODE :
	CSSMMNode mmParent = new CSSMetaModelUtil(metamodel).getMetaModelNodeFor(fNode);
	if (mmParent != null) {
	iProperties = mmParent.getChildNodes();
	}
	break;
	case ICSSNode.STYLEDECLITEM_NODE :
	CSSMMNode mmNode = new CSSMetaModelUtil(metamodel).getMetaModelNodeFor(fNode);
	if (mmNode != null) {
	iProperties = Collections.singletonList(mmNode).iterator();
	}
	break;
	default :
	break;
	}

	// setup categories
	Map categories = new HashMap();
	Iterator iCategories = metamodel.getCategories();
	while (iCategories.hasNext()) {
	CSSMMCategory category = (CSSMMCategory) iCategories.next();
	categories.put(category.getName(), category.getCaption());
	}

	// collect property names
	Set declaredProperties = new HashSet();
	if (iProperties.hasNext()) {
	CSSStyleDeclaration declaration = getDeclarationNode();
	if (declaration != null) {
	ICSSNodeList nodeList = ((ICSSNode) declaration).getChildNodes();
	int nProps = (nodeList != null) ? nodeList.getLength() : 0;
	for (int i = 0; i < nProps; i++) {
	ICSSNode node = nodeList.item(i);
	if (node instanceof ICSSStyleDeclItem) {
	String name = ((ICSSStyleDeclItem) node).getPropertyName();
	if (name != null && 0 < name.length()) {
	declaredProperties.add(name.toLowerCase());
	}
	}
	}
	}
	}

	List descriptors = new ArrayList();

	// first: properties from content model
	while (iProperties.hasNext()) {
	CSSMMNode node = (CSSMMNode) iProperties.next();
	if (node.getType() == CSSMMNode.TYPE_PROPERTY \|\| node.getType() == CSSMMNode.TYPE_DESCRIPTOR) {
	String category = (String) categories.get(node.getAttribute("category")); //$NON-NLS-1$
	String name = node.getName().toLowerCase();
	if (declaredProperties.contains(name)) {
	declaredProperties.remove(name);
	}
	IPropertyDescriptor descriptor = createPropertyDescriptor(name, category);
	if (descriptor != null) {
	descriptors.add(descriptor);
	}
	}
	}

	// second: existing properties but not in content model
	Iterator iRemains = declaredProperties.iterator();
	while (iRemains.hasNext()) {
	IPropertyDescriptor descriptor = createPropertyDescriptor((String) iRemains.next(), null);
	if (descriptor != null) {
	descriptors.add(descriptor);
	}
	}

	IPropertyDescriptor[] resultArray = new IPropertyDescriptor[descriptors.size()];
	if (PERF_GETDESCRIPTORS) {
	System.out.println(getClass().getName() + ".getPropertyDescriptors: " + (System.currentTimeMillis() - time0) + "ms"); //$NON-NLS-1$ //$NON-NLS-2$
	}
	return (IPropertyDescriptor[]) descriptors.toArray(resultArray);
	}

	/**
	* Returns the current value for the named property.
	*
	* @param name
	* the name of the property as named by its property descriptor
	* @return the current value of the property
	*/
	public Object getPropertyValue(Object name) {
	if (name == null) {
	return ""; //$NON-NLS-1$
	}

	String valueString = null;
	String nameString = name.toString();

	CSSStyleDeclaration declaration = null;

	switch (fNode.getNodeType()) {
	case ICSSNode.STYLEDECLITEM_NODE :
	valueString = ((ICSSStyleDeclItem) fNode).getCSSValueText();
	break;
	case ICSSNode.STYLERULE_NODE :
	case ICSSNode.FONTFACERULE_NODE :
	case ICSSNode.PAGERULE_NODE :
	declaration = (CSSStyleDeclaration) fNode.getFirstChild();
	if (declaration != null) {
	valueString = declaration.getPropertyValue(nameString);
	}
	break;
	case ICSSNode.STYLEDECLARATION_NODE :
	valueString = ((CSSStyleDeclaration) fNode).getPropertyValue(nameString);
	break;
	case ICSSNode.PRIMITIVEVALUE_NODE :
	ICSSNode parent = fNode;
	while (parent != null && !(parent instanceof ICSSStyleDeclItem)) {
	parent = parent.getParentNode();
	}
	if (parent != null) {
	valueString = ((ICSSStyleDeclItem) parent).getCSSValueText();
	}
	break;
	default :
	break;
	}

	if (valueString == null) {
	valueString = ""; //$NON-NLS-1$
	}

	return valueString;
	}

	/**
	* Returns whether the property value has changed from the default.
	*
	* @return <code>true</code> if the value of the specified property has
	* changed from its original default value; <code>false</code>
	* otherwise.
	*/
	public boolean isPropertySet(Object property) {
	if (property == null) {
	return false;
	}
	CSSStyleDeclaration declaration = getDeclarationNode();
	if (declaration != null) {
	String value = declaration.getPropertyValue(property.toString());
	if (value != null && 0 < value.length()) {
	return true;
	}
	}

	return false;
	}

	/**
	* Resets the specified property's value to its default value.
	*
	* @param property
	* the property to reset
	*/
	public void resetPropertyValue(Object str) {
	if (str == null) {
	return;
	}
	CSSStyleDeclaration declaration = getDeclarationNode();
	if (declaration != null) {
	declaration.removeProperty(str.toString());
	}
	}

	/**
	* Sets the named property to the given value.
	*
	* @param name
	* the name of the property being set
	* @param value
	* the new value for the property
	*/
	public void setPropertyValue(Object name, Object value) {
	if (name == null) {
	return;
	}
	String valueString = (value != null) ? value.toString() : null;
	String nameString = name.toString();
	CSSStyleDeclaration declaration = getDeclarationNode();
	if (declaration != null) {
	try {
	if (valueString == null \|\| valueString.length() <= 0) {
	declaration.removeProperty(nameString);
	}
	else {
	declaration.setProperty(nameString, valueString, ""); //$NON-NLS-1$
	}
	}
	catch (Exception e) {
	IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
	String title = CSSUIMessages.Title_InvalidValue; //$NON-NLS-1$
	String message = CSSUIMessages.Message_InvalidValue; //$NON-NLS-1$
	MessageDialog.openWarning(window.getShell(), title, message);
	}
	}
	}

	private CSSStyleDeclaration getDeclarationNode() {
	CSSStyleDeclaration declaration = null;

	switch (fNode.getNodeType()) {
	case ICSSNode.STYLEDECLITEM_NODE :
	declaration = (CSSStyleDeclaration) fNode.getParentNode();
	break;
	case ICSSNode.STYLERULE_NODE :
	case ICSSNode.FONTFACERULE_NODE :
	case ICSSNode.PAGERULE_NODE :
	declaration = (CSSStyleDeclaration) fNode.getFirstChild();
	break;
	case ICSSNode.STYLEDECLARATION_NODE :
	declaration = (CSSStyleDeclaration) fNode;
	break;
	case ICSSNode.PRIMITIVEVALUE_NODE :
	ICSSNode parent = fNode;
	while (parent != null && !(parent instanceof CSSStyleDeclaration)) {
	parent = parent.getParentNode();
	}
	if (parent != null) {
	declaration = (CSSStyleDeclaration) parent;
	}
	break;
	default :
	break;
	}

	return declaration;
	}
	}