/*******************************************************************************
* Copyright (c) 2004, 2006 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.ui.internal.intro.impl.model;
import java.util.Enumeration;
import java.util.Map;
import org.eclipse.ui.intro.config.IntroElement;
import org.osgi.framework.Bundle;
import org.w3c.dom.Element;
import org.w3c.dom.Text;
/**
* An intro div.
*/
public class IntroGroup extends AbstractIntroContainer {
protected static final String TAG_GROUP = "group"; //$NON-NLS-1$
private static final String ATT_LABEL = "label"; //$NON-NLS-1$
private static final String ATT_COMPUTED = "computed"; //$NON-NLS-1$
private static final String ATT_EXPANDABLE = "expandable"; //$NON-NLS-1$
private static final String ATT_EXPANDED = "expanded"; //$NON-NLS-1$
private static final String P_UPPERCASE = "capitalizeTitles"; //$NON-NLS-1$
private String label;
/**
* @param element
*/
IntroGroup(Element element, Bundle bundle, String base) {
super(element, bundle, base);
}
protected void loadFromParent() {
}
private void resolve() {
// reinitialize if there are variables in the value.
if (label==null) {
label = getAttribute(element, ATT_LABEL);
if (label!=null) {
IntroModelRoot root = getModelRoot();
if (root!=null && root.getTheme()!=null) {
Map props = root.getTheme().getProperties();
String value = (String)props.get(P_UPPERCASE);
if (value!=null && value.equalsIgnoreCase("true")) //$NON-NLS-1$
label = label.toUpperCase();
}
}
}
}
/**
* @return Returns the label.
*/
public String getLabel() {
resolve();
return label;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.internal.intro.impl.model.IntroElement#getType()
*/
public int getType() {
return AbstractIntroElement.GROUP;
}
public boolean isExpandable() {
String value=getAttribute(element, ATT_EXPANDABLE);
return value!=null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
}
public boolean isExpanded() {
String value=getAttribute(element, ATT_EXPANDED);
return value!=null && value.equalsIgnoreCase("true"); //$NON-NLS-1$
}
protected void loadChildren() {
String value = getAttribute(element, ATT_COMPUTED);
if (value!=null && value.equalsIgnoreCase("true")) //$NON-NLS-1$
loadDynamicNodes();
super.loadChildren();
}
private void loadDynamicNodes() {
IntroModelRoot root = getModelRoot();
if (root==null)
return;
AbstractIntroPage page = getParentPage();
String pageId = page.getId();
IntroElement [] nodes = root.getConfigurer().getGroupChildren(pageId, getId());
addDynamicNodes(this.element, nodes);
}
private void addDynamicNodes(Element target, IntroElement [] nodes) {
for (int i=0; i<nodes.length; i++) {
IntroElement node = nodes[i];
addDynamicNode(target, node);
}
}
private void addDynamicNode(Element target, IntroElement node) {
// clone node itself
Element clone = target.getOwnerDocument().createElement(node.getName());
// set attributes
Enumeration atts = node.getAttributes();
for (;atts.hasMoreElements();) {
String aname = (String)atts.nextElement();
String avalue = node.getAttribute(aname);
clone.setAttribute(aname, avalue);
}
// set value
String value = node.getValue();
if (value!=null) {
Text textNode = target.getOwnerDocument().createTextNode(value);
clone.appendChild(textNode);
}
// clone children
IntroElement [] cnodes = node.getChildren();
if (cnodes.length>0)
addDynamicNodes(clone, cnodes);
// add the clone to the target
target.appendChild(clone);
}
}