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/*******************************************************************************
* 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.core.internal.contentmodel;
import java.util.Collection;
import java.util.Hashtable;
import java.util.Set;
import java.util.Vector;
/**
*
*/
public class PropCMContainer extends PropCMNode {
private java.util.Vector nodes = new Vector();
private static java.util.Hashtable instances = null;
public final static String VAL_ABSOLUTE_SIZE = "absolute-size";//$NON-NLS-1$
public final static String VAL_BORDER_STYLE = "border-style";//$NON-NLS-1$
public final static String VAL_BORDER_WIDTH = "border-width";//$NON-NLS-1$
public final static String VAL_COLOR = "color";//$NON-NLS-1$
public final static String VAL_SYSTEM_COLOR = "system-color";//$NON-NLS-1$
public final static String VAL_GENERIC_FAMILY = "generic-family";//$NON-NLS-1$
public final static String VAL_GENERIC_VOICE = "generic-voice";//$NON-NLS-1$
public final static String VAL_MARGIN_WIDTH = "margin-width";//$NON-NLS-1$
public final static String VAL_PADDING_WIDTH = "padding-width";//$NON-NLS-1$
public final static String VAL_RELATIVE_SIZE = "relative-size";//$NON-NLS-1$
/**
*
*/
protected PropCMContainer(String name) {
super(name);
}
/**
*
*/
Object appendChild(Object node) {
if (!nodes.contains(node))
nodes.add(node);
return node;
}
/**
*
*/
public boolean canHave(String identifier) {
int nChild = getNumChild();
for (int i = 0; i < nChild; i++) {
Object child = getChildAt(i);
if (child instanceof String && identifier.equalsIgnoreCase((String) child))
return true;
if (child instanceof PropCMContainer && ((PropCMContainer) child).canHave(identifier))
return true;
}
return false;
}
/**
*
*/
public Object getChildAt(int index) {
if (nodes == null || index < 0 || nodes.size() <= index)
return null;
return nodes.elementAt(index);
}
/**
*
*/
static PropCMContainer getContInstanceOf(String name) {
if (name == null)
return null;
// initialize
if (instances == null)
instances = new Hashtable(20);
// Initialize of DB
if (isNeedInitialize())
PropCMNode.initPropertyCM();
// query
Object node = instances.get(name);
if (node != null)
return (PropCMContainer) node;
if (PropCMNode.isLoading()) {
// register
node = new PropCMContainer(name);
instances.put(name, node);
}
return (PropCMContainer) node;
}
/**
*
*/
void getIdentifiers(Set idents) {
if (idents == null)
return;
int nChildren = nodes.size();
for (int i = 0; i < nChildren; i++) {
Object node = nodes.elementAt(i);
if (node instanceof PropCMNode)
((PropCMNode) node).getIdentifiers(idents);
else if (node instanceof String)
idents.add(node);
}
}
/**
*
*/
public int getNumChild() {
if (nodes == null)
return 0;
return nodes.size();
}
/**
*
*/
public short getType() {
return VAL_CONTAINER;
}
/**
*
*/
void getValues(Collection values) {
if (values == null)
return;
int nChildren = nodes.size();
for (int i = 0; i < nChildren; i++) {
Object node = nodes.elementAt(i);
if (node instanceof PropCMNode)
((PropCMNode) node).getValues(values);
else if (node instanceof String) {
if (!values.contains(node))
values.add(node);
}
}
}
/**
*
*/
Object removeChild(Object node) {
nodes.remove(node);
return node;
}
}
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