java/compiler/forms-compiler/src/com/intellij/uiDesigner/lw/LwContainer.java - platform/tools/idea - Git at Google

 /*
  * Copyright 2000-2009 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.intellij.uiDesigner.lw;

 import com.intellij.uiDesigner.UIFormXmlConstants;
 import com.intellij.uiDesigner.compiler.UnexpectedFormElementException;
 import com.intellij.uiDesigner.core.GridLayoutManager;
 import com.intellij.uiDesigner.shared.BorderType;
 import com.intellij.uiDesigner.shared.XYLayoutManager;
 import org.jdom.Element;

 import java.awt.*;
 import java.util.ArrayList;
 import java.util.Iterator;

 /**
  * @author Anton Katilin
  * @author Vladimir Kondratyev
  */
 public class LwContainer extends LwComponent implements IContainer{
   // PLEASE DO NOT USE GENERICS IN THIS FILE AS IT IS USED IN JAVAC2 ANT TASK THAT SHOULD BE RUNNABLE WITH JDK 1.3

   /**
    * Children components
    */
   private final ArrayList myComponents;
   /**
    * Describes border's type. This member is never <code>null</code>
    */
   private BorderType myBorderType;
   /**
    * Border's title. If border doesn't have any title then
    * this member is <code>null</code>.
    */
   private StringDescriptor myBorderTitle;
   private int myBorderTitleJustification;
   private int myBorderTitlePosition;
   private FontDescriptor myBorderTitleFont;
   private ColorDescriptor myBorderTitleColor;
   private Insets myBorderSize;
   private ColorDescriptor myBorderColor;
   private LayoutManager myLayout;
   private String myLayoutManager;
   protected LayoutSerializer myLayoutSerializer;

   public LwContainer(final String className){
     super(className);
     myComponents = new ArrayList();

     // By default container doesn't have any special border
     setBorderType(BorderType.NONE);

     myLayout = createInitialLayout();
   }


   protected LayoutManager createInitialLayout(){
     return new XYLayoutManager();
   }

   public final LayoutManager getLayout() {
     return myLayout;
   }

   public final void setLayout(final LayoutManager layout) {
     myLayout = layout;
   }

   public String getLayoutManager() {
     return myLayoutManager;
   }

   public final boolean isGrid(){
     return getLayout() instanceof GridLayoutManager;
   }

   public final boolean isXY(){
     return getLayout() instanceof XYLayoutManager;
   }

   /**
    * @param component component to be added.
    *
    * @exception IllegalArgumentException if <code>component</code> is <code>null</code>
    * @exception IllegalArgumentException if <code>component</code> already exist in the
    * container
    */
   public final void addComponent(final LwComponent component){
     if (component == null) {
       throw new IllegalArgumentException("component cannot be null");
     }
     if (myComponents.contains(component)) {
       throw new IllegalArgumentException("component is already added: " + component);
     }
     if (component.getParent() != null) {
       throw new IllegalArgumentException("component already added to another container");
     }

     // Attach to new parent
     myComponents.add(component);
     component.setParent(this);
   }

   public final IComponent getComponent(final int index) {
     return (IComponent)myComponents.get(index);
   }

   public final int getComponentCount() {
     return myComponents.size();
   }

   public int indexOfComponent(final IComponent lwComponent) {
     return myComponents.indexOf(lwComponent);
   }

   /**
    * @return border's type. The method never return <code>null</code>.
    *
    * @see BorderType
    */
   public final BorderType getBorderType(){
     return myBorderType;
   }

   public boolean accept(ComponentVisitor visitor) {
     if (!super.accept(visitor)) {
       return false;
     }

     for (int i = 0; i < getComponentCount(); i++) {
       final IComponent c = getComponent(i);
       if (!c.accept(visitor)) {
         return false;
       }
     }

     return true;
   }

   /**
    * @see BorderType
    *
    * @exception IllegalArgumentException if <code>type</code>
    * is <code>null</code>
    */
   public final void setBorderType(final BorderType type){
     if(type==null){
       throw new IllegalArgumentException("type cannot be null");
     }
     myBorderType=type;
   }

   /**
    * @return border's title. If the container doesn't have any title then the
    * method returns <code>null</code>.
    */
   public final StringDescriptor getBorderTitle(){
     return myBorderTitle;
   }

   /**
    * @param title new border's title. <code>null</code> means that
    * the containr doesn't have have titled border.
    */
   public final void setBorderTitle(final StringDescriptor title){
     myBorderTitle=title;
   }

   public int getBorderTitleJustification() {
     return myBorderTitleJustification;
   }

   public int getBorderTitlePosition() {
     return myBorderTitlePosition;
   }

   public FontDescriptor getBorderTitleFont() {
     return myBorderTitleFont;
   }

   public ColorDescriptor getBorderTitleColor() {
     return myBorderTitleColor;
   }

   public Insets getBorderSize() {
     return myBorderSize;
   }

   public ColorDescriptor getBorderColor() {
     return myBorderColor;
   }

   /**
    * TODO[anton,vova] looks like it is better to pass contraints tag
    *
    * @param element XML element which should contains 'constraints' tag
    */
   protected void readConstraintsForChild(final Element element, final LwComponent component){
     if (myLayoutSerializer != null) {
       final Element constraintsElement = LwXmlReader.getRequiredChild(element, "constraints");
       myLayoutSerializer.readChildConstraints(constraintsElement, component);
     }
   }

   /**
    * 'border' is required subtag
    */
   protected final void readBorder(final Element element) {
     final Element borderElement = LwXmlReader.getRequiredChild(element, UIFormXmlConstants.ELEMENT_BORDER);
     setBorderType(BorderType.valueOf(LwXmlReader.getRequiredString(borderElement, UIFormXmlConstants.ATTRIBUTE_TYPE)));

     StringDescriptor descriptor = LwXmlReader.getStringDescriptor(borderElement,
                                                                   UIFormXmlConstants.ATTRIBUTE_TITLE,
                                                                   UIFormXmlConstants.ATTRIBUTE_TITLE_RESOURCE_BUNDLE,
                                                                   UIFormXmlConstants.ATTRIBUTE_TITLE_KEY);
     if (descriptor != null) {
       setBorderTitle(descriptor);
     }

     myBorderTitleJustification = LwXmlReader.getOptionalInt(borderElement, UIFormXmlConstants.ATTRIBUTE_TITLE_JUSTIFICATION, 0);
     myBorderTitlePosition = LwXmlReader.getOptionalInt(borderElement, UIFormXmlConstants.ATTRIBUTE_TITLE_POSITION, 0);
     Element fontElement = LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_FONT);
     if (fontElement != null) {
       myBorderTitleFont = LwXmlReader.getFontDescriptor(fontElement);
     }
     myBorderTitleColor = LwXmlReader.getOptionalColorDescriptor(LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_TITLE_COLOR));
     myBorderColor = LwXmlReader.getOptionalColorDescriptor(LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_COLOR));
     Element sizeElement = LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_SIZE);
     if (sizeElement != null) {
       try {
         myBorderSize = LwXmlReader.readInsets(sizeElement);
       }
       catch(Exception e) {
         myBorderSize = null;
       }
     }
   }

   /**
    * 'children' is required attribute
    */
   protected final void readChildren(final Element element, final PropertiesProvider provider) throws Exception{
     final Element childrenElement = LwXmlReader.getRequiredChild(element, "children");
     for(Iterator i=childrenElement.getChildren().iterator(); i.hasNext();){
       final Element child = (Element)i.next();
       final LwComponent component = createComponentFromTag(child);
       addComponent(component);
       component.read(child, provider);
     }
   }

   public static LwComponent createComponentFromTag(final Element child) throws Exception {
     final String name = child.getName();
     final LwComponent component;
     if("component".equals(name)){
       final String className = LwXmlReader.getRequiredString(child, UIFormXmlConstants.ATTRIBUTE_CLASS);
       component = new LwAtomicComponent(className);
     }
     else if (UIFormXmlConstants.ELEMENT_NESTED_FORM.equals(name)) {
       component = new LwNestedForm();
     }
     else if("vspacer".equals(name)){
       component = new LwVSpacer();
     }
     else if("hspacer".equals(name)){
       component = new LwHSpacer();
     }
     else if("xy".equals(name) || "grid".equals(name)){
       String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JPanel");
       component = new LwContainer(className);
     }
     else if(UIFormXmlConstants.ELEMENT_SCROLLPANE.equals(name)) {
       String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JScrollPane");
       component = new LwScrollPane(className);
     }
     else if(UIFormXmlConstants.ELEMENT_TABBEDPANE.equals(name)){
       String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JTabbedPane");
       component = new LwTabbedPane(className);
     }
     else if(UIFormXmlConstants.ELEMENT_SPLITPANE.equals(name)){
       String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JSplitPane");
       component = new LwSplitPane(className);
     }
     else if (UIFormXmlConstants.ELEMENT_TOOLBAR.equals(name)) {
       String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JToolBar");
       component = new LwToolBar(className);
     }
     else{
       throw new UnexpectedFormElementException("unexpected element: "+child);
     }
     return component;
   }

   /**
    * 'xy' or 'grid'
    */
   protected final void readLayout(final Element element){
     myLayoutManager = element.getAttributeValue("layout-manager");
     if("xy".equals(element.getName())){
       myLayoutSerializer = XYLayoutSerializer.INSTANCE;
     }
     else if("grid".equals(element.getName())){
       createLayoutSerializer();
     }
     else{
       throw new UnexpectedFormElementException("unexpected element: "+element);
     }
     myLayoutSerializer.readLayout(element, this);
   }

   public void setLayoutManager(final String layoutManager) {
     myLayoutManager = layoutManager;
     createLayoutSerializer();
   }

   private void createLayoutSerializer() {
     if (UIFormXmlConstants.LAYOUT_BORDER.equals(myLayoutManager)) {
       myLayoutSerializer = BorderLayoutSerializer.INSTANCE;
     }
     else if (UIFormXmlConstants.LAYOUT_FLOW.equals(myLayoutManager)) {
       myLayoutSerializer = FlowLayoutSerializer.INSTANCE;
     }
     else if (UIFormXmlConstants.LAYOUT_CARD.equals(myLayoutManager)) {
       myLayoutSerializer = CardLayoutSerializer.INSTANCE;
     }
     else if (UIFormXmlConstants.LAYOUT_XY.equals(myLayoutManager)) {
       myLayoutSerializer = XYLayoutSerializer.INSTANCE;
     }
     else if (UIFormXmlConstants.LAYOUT_FORM.equals(myLayoutManager)) {
       myLayoutSerializer = FormLayoutSerializer.INSTANCE;
     }
     else if (UIFormXmlConstants.LAYOUT_GRIDBAG.equals(myLayoutManager)) {
       myLayoutSerializer = GridBagLayoutSerializer.INSTANCE;
     }
     else {
       myLayoutSerializer = GridLayoutSerializer.INSTANCE;
     }
   }

   public void read(final Element element, final PropertiesProvider provider) throws Exception {
     readBase(element);

     // Layout
     readLayout(element);

     // Constraints and properties
     readConstraints(element);
     readProperties(element, provider);

     // Border
     readBorder(element);

     readChildren(element, provider);
   }

   protected void readNoLayout(final Element element, final PropertiesProvider provider) throws Exception {
     readBase(element);

     // Constraints and properties
     readConstraints(element);
     readProperties(element, provider);

     // Border
     readBorder(element);

     readChildren(element, provider);
   }

   public boolean areChildrenExclusive() {
     return UIFormXmlConstants.LAYOUT_CARD.equals(myLayoutManager);
   }
 }
	/*
	* Copyright 2000-2009 JetBrains s.r.o.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.intellij.uiDesigner.lw;

	import com.intellij.uiDesigner.UIFormXmlConstants;
	import com.intellij.uiDesigner.compiler.UnexpectedFormElementException;
	import com.intellij.uiDesigner.core.GridLayoutManager;
	import com.intellij.uiDesigner.shared.BorderType;
	import com.intellij.uiDesigner.shared.XYLayoutManager;
	import org.jdom.Element;

	import java.awt.*;
	import java.util.ArrayList;
	import java.util.Iterator;

	/**
	* @author Anton Katilin
	* @author Vladimir Kondratyev
	*/
	public class LwContainer extends LwComponent implements IContainer{
	// PLEASE DO NOT USE GENERICS IN THIS FILE AS IT IS USED IN JAVAC2 ANT TASK THAT SHOULD BE RUNNABLE WITH JDK 1.3

	/**
	* Children components
	*/
	private final ArrayList myComponents;
	/**
	* Describes border's type. This member is never <code>null</code>
	*/
	private BorderType myBorderType;
	/**
	* Border's title. If border doesn't have any title then
	* this member is <code>null</code>.
	*/
	private StringDescriptor myBorderTitle;
	private int myBorderTitleJustification;
	private int myBorderTitlePosition;
	private FontDescriptor myBorderTitleFont;
	private ColorDescriptor myBorderTitleColor;
	private Insets myBorderSize;
	private ColorDescriptor myBorderColor;
	private LayoutManager myLayout;
	private String myLayoutManager;
	protected LayoutSerializer myLayoutSerializer;

	public LwContainer(final String className){
	super(className);
	myComponents = new ArrayList();

	// By default container doesn't have any special border
	setBorderType(BorderType.NONE);

	myLayout = createInitialLayout();
	}


	protected LayoutManager createInitialLayout(){
	return new XYLayoutManager();
	}

	public final LayoutManager getLayout() {
	return myLayout;
	}

	public final void setLayout(final LayoutManager layout) {
	myLayout = layout;
	}

	public String getLayoutManager() {
	return myLayoutManager;
	}

	public final boolean isGrid(){
	return getLayout() instanceof GridLayoutManager;
	}

	public final boolean isXY(){
	return getLayout() instanceof XYLayoutManager;
	}

	/**
	* @param component component to be added.
	*
	* @exception IllegalArgumentException if <code>component</code> is <code>null</code>
	* @exception IllegalArgumentException if <code>component</code> already exist in the
	* container
	*/
	public final void addComponent(final LwComponent component){
	if (component == null) {
	throw new IllegalArgumentException("component cannot be null");
	}
	if (myComponents.contains(component)) {
	throw new IllegalArgumentException("component is already added: " + component);
	}
	if (component.getParent() != null) {
	throw new IllegalArgumentException("component already added to another container");
	}

	// Attach to new parent
	myComponents.add(component);
	component.setParent(this);
	}

	public final IComponent getComponent(final int index) {
	return (IComponent)myComponents.get(index);
	}

	public final int getComponentCount() {
	return myComponents.size();
	}

	public int indexOfComponent(final IComponent lwComponent) {
	return myComponents.indexOf(lwComponent);
	}

	/**
	* @return border's type. The method never return <code>null</code>.
	*
	* @see BorderType
	*/
	public final BorderType getBorderType(){
	return myBorderType;
	}

	public boolean accept(ComponentVisitor visitor) {
	if (!super.accept(visitor)) {
	return false;
	}

	for (int i = 0; i < getComponentCount(); i++) {
	final IComponent c = getComponent(i);
	if (!c.accept(visitor)) {
	return false;
	}
	}

	return true;
	}

	/**
	* @see BorderType
	*
	* @exception IllegalArgumentException if <code>type</code>
	* is <code>null</code>
	*/
	public final void setBorderType(final BorderType type){
	if(type==null){
	throw new IllegalArgumentException("type cannot be null");
	}
	myBorderType=type;
	}

	/**
	* @return border's title. If the container doesn't have any title then the
	* method returns <code>null</code>.
	*/
	public final StringDescriptor getBorderTitle(){
	return myBorderTitle;
	}

	/**
	* @param title new border's title. <code>null</code> means that
	* the containr doesn't have have titled border.
	*/
	public final void setBorderTitle(final StringDescriptor title){
	myBorderTitle=title;
	}

	public int getBorderTitleJustification() {
	return myBorderTitleJustification;
	}

	public int getBorderTitlePosition() {
	return myBorderTitlePosition;
	}

	public FontDescriptor getBorderTitleFont() {
	return myBorderTitleFont;
	}

	public ColorDescriptor getBorderTitleColor() {
	return myBorderTitleColor;
	}

	public Insets getBorderSize() {
	return myBorderSize;
	}

	public ColorDescriptor getBorderColor() {
	return myBorderColor;
	}

	/**
	* TODO[anton,vova] looks like it is better to pass contraints tag
	*
	* @param element XML element which should contains 'constraints' tag
	*/
	protected void readConstraintsForChild(final Element element, final LwComponent component){
	if (myLayoutSerializer != null) {
	final Element constraintsElement = LwXmlReader.getRequiredChild(element, "constraints");
	myLayoutSerializer.readChildConstraints(constraintsElement, component);
	}
	}

	/**
	* 'border' is required subtag
	*/
	protected final void readBorder(final Element element) {
	final Element borderElement = LwXmlReader.getRequiredChild(element, UIFormXmlConstants.ELEMENT_BORDER);
	setBorderType(BorderType.valueOf(LwXmlReader.getRequiredString(borderElement, UIFormXmlConstants.ATTRIBUTE_TYPE)));

	StringDescriptor descriptor = LwXmlReader.getStringDescriptor(borderElement,
	UIFormXmlConstants.ATTRIBUTE_TITLE,
	UIFormXmlConstants.ATTRIBUTE_TITLE_RESOURCE_BUNDLE,
	UIFormXmlConstants.ATTRIBUTE_TITLE_KEY);
	if (descriptor != null) {
	setBorderTitle(descriptor);
	}

	myBorderTitleJustification = LwXmlReader.getOptionalInt(borderElement, UIFormXmlConstants.ATTRIBUTE_TITLE_JUSTIFICATION, 0);
	myBorderTitlePosition = LwXmlReader.getOptionalInt(borderElement, UIFormXmlConstants.ATTRIBUTE_TITLE_POSITION, 0);
	Element fontElement = LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_FONT);
	if (fontElement != null) {
	myBorderTitleFont = LwXmlReader.getFontDescriptor(fontElement);
	}
	myBorderTitleColor = LwXmlReader.getOptionalColorDescriptor(LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_TITLE_COLOR));
	myBorderColor = LwXmlReader.getOptionalColorDescriptor(LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_COLOR));
	Element sizeElement = LwXmlReader.getChild(borderElement, UIFormXmlConstants.ELEMENT_SIZE);
	if (sizeElement != null) {
	try {
	myBorderSize = LwXmlReader.readInsets(sizeElement);
	}
	catch(Exception e) {
	myBorderSize = null;
	}
	}
	}

	/**
	* 'children' is required attribute
	*/
	protected final void readChildren(final Element element, final PropertiesProvider provider) throws Exception{
	final Element childrenElement = LwXmlReader.getRequiredChild(element, "children");
	for(Iterator i=childrenElement.getChildren().iterator(); i.hasNext();){
	final Element child = (Element)i.next();
	final LwComponent component = createComponentFromTag(child);
	addComponent(component);
	component.read(child, provider);
	}
	}

	public static LwComponent createComponentFromTag(final Element child) throws Exception {
	final String name = child.getName();
	final LwComponent component;
	if("component".equals(name)){
	final String className = LwXmlReader.getRequiredString(child, UIFormXmlConstants.ATTRIBUTE_CLASS);
	component = new LwAtomicComponent(className);
	}
	else if (UIFormXmlConstants.ELEMENT_NESTED_FORM.equals(name)) {
	component = new LwNestedForm();
	}
	else if("vspacer".equals(name)){
	component = new LwVSpacer();
	}
	else if("hspacer".equals(name)){
	component = new LwHSpacer();
	}
	else if("xy".equals(name) \|\| "grid".equals(name)){
	String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JPanel");
	component = new LwContainer(className);
	}
	else if(UIFormXmlConstants.ELEMENT_SCROLLPANE.equals(name)) {
	String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JScrollPane");
	component = new LwScrollPane(className);
	}
	else if(UIFormXmlConstants.ELEMENT_TABBEDPANE.equals(name)){
	String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JTabbedPane");
	component = new LwTabbedPane(className);
	}
	else if(UIFormXmlConstants.ELEMENT_SPLITPANE.equals(name)){
	String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JSplitPane");
	component = new LwSplitPane(className);
	}
	else if (UIFormXmlConstants.ELEMENT_TOOLBAR.equals(name)) {
	String className = LwXmlReader.getOptionalString(child, UIFormXmlConstants.ATTRIBUTE_CLASS, "javax.swing.JToolBar");
	component = new LwToolBar(className);
	}
	else{
	throw new UnexpectedFormElementException("unexpected element: "+child);
	}
	return component;
	}

	/**
	* 'xy' or 'grid'
	*/
	protected final void readLayout(final Element element){
	myLayoutManager = element.getAttributeValue("layout-manager");
	if("xy".equals(element.getName())){
	myLayoutSerializer = XYLayoutSerializer.INSTANCE;
	}
	else if("grid".equals(element.getName())){
	createLayoutSerializer();
	}
	else{
	throw new UnexpectedFormElementException("unexpected element: "+element);
	}
	myLayoutSerializer.readLayout(element, this);
	}

	public void setLayoutManager(final String layoutManager) {
	myLayoutManager = layoutManager;
	createLayoutSerializer();
	}

	private void createLayoutSerializer() {
	if (UIFormXmlConstants.LAYOUT_BORDER.equals(myLayoutManager)) {
	myLayoutSerializer = BorderLayoutSerializer.INSTANCE;
	}
	else if (UIFormXmlConstants.LAYOUT_FLOW.equals(myLayoutManager)) {
	myLayoutSerializer = FlowLayoutSerializer.INSTANCE;
	}
	else if (UIFormXmlConstants.LAYOUT_CARD.equals(myLayoutManager)) {
	myLayoutSerializer = CardLayoutSerializer.INSTANCE;
	}
	else if (UIFormXmlConstants.LAYOUT_XY.equals(myLayoutManager)) {
	myLayoutSerializer = XYLayoutSerializer.INSTANCE;
	}
	else if (UIFormXmlConstants.LAYOUT_FORM.equals(myLayoutManager)) {
	myLayoutSerializer = FormLayoutSerializer.INSTANCE;
	}
	else if (UIFormXmlConstants.LAYOUT_GRIDBAG.equals(myLayoutManager)) {
	myLayoutSerializer = GridBagLayoutSerializer.INSTANCE;
	}
	else {
	myLayoutSerializer = GridLayoutSerializer.INSTANCE;
	}
	}

	public void read(final Element element, final PropertiesProvider provider) throws Exception {
	readBase(element);

	// Layout
	readLayout(element);

	// Constraints and properties
	readConstraints(element);
	readProperties(element, provider);

	// Border
	readBorder(element);

	readChildren(element, provider);
	}

	protected void readNoLayout(final Element element, final PropertiesProvider provider) throws Exception {
	readBase(element);

	// Constraints and properties
	readConstraints(element);
	readProperties(element, provider);

	// Border
	readBorder(element);

	readChildren(element, provider);
	}

	public boolean areChildrenExclusive() {
	return UIFormXmlConstants.LAYOUT_CARD.equals(myLayoutManager);
	}
	}