groupnodeimpl.java

对eclipse gef进行封装,可以生成图形化编辑器

/**
 * <copyright>
 * </copyright>
 *
 * $Id: GroupNodeImpl.java,v 1.2 2006/12/30 02:45:06 niegy Exp $
 */
package com.primeton.studio.gef.core.impl;

import java.util.Collection;
import org.eclipse.emf.common.util.EList;

import java.util.Iterator;

import org.eclipse.emf.ecore.EClass;

import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;

import com.primeton.studio.gef.core.Node;
import com.primeton.studio.gef.core.CorePackage;
import com.primeton.studio.gef.core.GroupNode;
import com.primeton.studio.gef.core.NodeElement;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Group Node</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link com.primeton.studio.gef.core.impl.GroupNodeImpl#getChidren <em>Chidren</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class GroupNodeImpl extends NodeElementImpl implements GroupNode {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final String copyright = "";

	/**
	 * The cached value of the '{@link #getChidren() <em>Chidren</em>}' attribute list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getChidren()
	 * @generated
	 * @ordered
	 */
	protected EList chidren = null;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected GroupNodeImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass() {
		return CorePackage.Literals.GROUP_NODE;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getChidren() {
		if (chidren == null) {
			chidren = new EDataTypeUniqueEList(String.class, this, CorePackage.GROUP_NODE__CHIDREN);
		}
		return chidren;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case CorePackage.GROUP_NODE__CHIDREN:
				return getChidren();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case CorePackage.GROUP_NODE__CHIDREN:
				getChidren().clear();
				getChidren().addAll((Collection)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case CorePackage.GROUP_NODE__CHIDREN:
				getChidren().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case CorePackage.GROUP_NODE__CHIDREN:
				return chidren != null && !chidren.isEmpty();
		}
		return super.eIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (chidren: ");
		result.append(chidren);
		result.append(')');
		return result.toString();
	}

	/* (non-Javadoc)
	 * @see com.primeton.studio.gef.core.GroupNode#groupAll(java.util.Collection)
	 */
	public void groupAll(Collection collection) {
		// TODO Auto-generated method stub
		for (Iterator<NodeElement> iter = collection.iterator(); iter.hasNext();) {
			  NodeElement nodeElement = (NodeElement) iter.next();
			  getChidren().add(nodeElement.getId());
			  nodeElement.setGrouped(true);
	        }
	}

	/* (non-Javadoc)
	 * @see com.primeton.studio.gef.core.GroupNode#ungroupAll(java.util.Collection)
	 */
	public void ungroupAll(Collection collection) {
		// TODO Auto-generated method stub
		   for (Iterator iter = collection.iterator(); iter.hasNext();) {
			   NodeElement nodeElement = (NodeElement) iter.next();
	           nodeElement.setGrouped(false);
//	           getChidren().remove(node.getId());
	       }
	}

	/* (non-Javadoc)
	 * @see com.primeton.studio.gef.core.GroupNode#ungroupAll()
	 */
	public void ungroupAll() {
		// TODO Auto-generated method stub
		for (Iterator iter = getChidren().iterator(); iter.hasNext();) {
			String id = (String) iter.next();
			NodeElement element = findNodeforId(id,(Node)this.eContainer);
			element.setGrouped(false);
//			getChidren().remove(id);
		}
	}
	
	public NodeElement findNodeforId(String id,Node parent){
    	for (Iterator iter = parent.getNodes().iterator(); iter.hasNext();) {
    		NodeElement element = (NodeElement) iter.next();
			if(id.equals(element.getId()))
				return element;
		}
    	return null;
    }

	/* (non-Javadoc)
	 * @see com.primeton.studio.gef.core.GroupNode#groupAll()
	 */
	public void groupAll() {
		// TODO Auto-generated method stub
		for (Iterator iter = getChidren().iterator(); iter.hasNext();) {
			String id = (String) iter.next();
			NodeElement element = findNodeforId(id,(Node)this.eContainer);
			element.setGrouped(true);
		}
	}

} //GroupNodeImpl