| /******************************************************************************* |
| * 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; |
| } |
| } |