/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.myfaces.custom.tree2;
import javax.faces.component.UICommand;
import javax.faces.component.html.HtmlCommandLink;
import javax.faces.context.FacesContext;
import javax.faces.el.MethodBinding;
import javax.faces.el.ValueBinding;
import java.util.Map;
/**
* Represents "tree data" in an HTML format. Also provides a mechanism for maintaining expand/collapse
* state of the nodes in the tree.
*
* @author Sean Schofield
*/
public class HtmlTree extends UITreeData
{
public static final String COMPONENT_TYPE = "org.apache.myfaces.HtmlTree2";
private static final String DEFAULT_RENDERER_TYPE = "org.apache.myfaces.HtmlTree2";
private UICommand _expandControl;
private String _varNodeToggler;
private Boolean _showNav;
private Boolean _showLines;
private Boolean _clientSideToggle;
private Boolean _showRootNode;
private Boolean _preserveToggle;
private String _javascriptLocation;
private String _imageLocation;
/**
* Constructor
*/
public HtmlTree()
{
setRendererType(DEFAULT_RENDERER_TYPE);
_expandControl = new HtmlCommandLink();
_expandControl.setParent(this);
_clientSideToggle = Boolean.TRUE;
_preserveToggle = Boolean.TRUE;
_showRootNode = Boolean.TRUE;
_showNav = Boolean.TRUE;
_showLines = Boolean.TRUE;
}
/**
* @see org.apache.myfaces.custom.tree2.UITreeData#processNodes(javax.faces.context.FacesContext, int, org.apache.myfaces.custom.tree2.TreeWalker)
*/
protected void processNodes(FacesContext context, int processAction, TreeWalker walker)
{
if (isClientSideToggle()) {
walker.setCheckState(false);
}
super.processNodes(context, processAction, walker);
}
// see superclass for documentation
public Object saveState(FacesContext context)
{
Object values[] = new Object[9];
values[0] = super.saveState(context);
values[1] = _varNodeToggler;
values[2] = _showLines;
values[3] = _showNav;
values[4] = _clientSideToggle;
values[5] = _showRootNode;
values[6] = _preserveToggle;
values[7] = _javascriptLocation;
values[8] = _imageLocation;
return (Object)values;
}
// see superclass for documentation
public void restoreState(FacesContext context, Object state)
{
Object values[] = (Object[])state;
super.restoreState(context, values[0]);
setVarNodeToggler((String)values[1]);
setShowLines(((Boolean)values[2]).booleanValue());
setShowNav(((Boolean)values[3]).booleanValue());
setClientSideToggle(((Boolean)values[4]).booleanValue());
setShowRootNode(((Boolean)values[5]).booleanValue());
setPreserveToggle(((Boolean)values[6]).booleanValue());
setJavascriptLocation((String)values[7]);
setImageLocation((String)values[8]);
}
// see superclass for documentation
public void setNodeId(String nodeId)
{
super.setNodeId(nodeId);
if (_varNodeToggler != null)
{
Map requestMap = getFacesContext().getExternalContext().getRequestMap();
requestMap.put(_varNodeToggler, this);
}
}
/**
* Gets the expand/collapse control that can be used to handle expand/collapse nodes. This is only used in server-side
* mode. It allows the nagivation controls (if any) to be clickable as well as any commandLinks the user has set up in
* their JSP.
*
* @return UICommand
*/
public UICommand getExpandControl()
{
return _expandControl;
}
public void setVarNodeToggler(String varNodeToggler)
{
_varNodeToggler = varNodeToggler;
// create a method binding for the expand control
String bindingString = "#{" + varNodeToggler + ".toggleExpanded}";
MethodBinding actionBinding = FacesContext.getCurrentInstance().getApplication().createMethodBinding(bindingString, null);
_expandControl.setAction(actionBinding);
}
public void setShowNav(boolean showNav)
{
_showNav = Boolean.valueOf(showNav);
}
public boolean isShowNav()
{
if (_showNav != null) return _showNav.booleanValue();
ValueBinding vb = getValueBinding("showNav");
Boolean v = vb != null ? (Boolean)vb.getValue(getFacesContext()) : null;
return v == null || v.booleanValue();
}
public void setShowLines(boolean showLines)
{
_showLines = Boolean.valueOf(showLines);
}
public boolean isShowLines()
{
if (_showLines != null) return _showLines.booleanValue();
ValueBinding vb = getValueBinding("showLines");
Boolean v = vb != null ? (Boolean)vb.getValue(getFacesContext()) : null;
return v == null || v.booleanValue();
}
public void setClientSideToggle(boolean clientSideToggle)
{
_clientSideToggle = Boolean.valueOf(clientSideToggle);
}
public boolean isClientSideToggle()
{
if (_clientSideToggle != null) return _clientSideToggle.booleanValue();
ValueBinding vb = getValueBinding("clientSideToggle");
Boolean v = vb != null ? (Boolean)vb.getValue(getFacesContext()) : null;
return v == null || v.booleanValue();
}
public void setShowRootNode(boolean showRootNode)
{
_showRootNode = Boolean.valueOf(showRootNode);
}
public boolean isShowRootNode()
{
if (_showRootNode != null) return _showRootNode.booleanValue();
ValueBinding vb = getValueBinding("showRootNode");
Boolean v = vb != null ? (Boolean)vb.getValue(getFacesContext()) : null;
return v == null || v.booleanValue();
}
public void setPreserveToggle(boolean preserveToggle)
{
_preserveToggle = Boolean.valueOf(preserveToggle);
}
public boolean isPreserveToggle()
{
if (_preserveToggle != null) return _preserveToggle.booleanValue();
ValueBinding vb = getValueBinding("preserveToggle");
Boolean v = vb != null ? (Boolean)vb.getValue(getFacesContext()) : null;
return v == null || v.booleanValue();
}
public void setJavascriptLocation(String javascriptLocation)
{
_javascriptLocation = javascriptLocation;
}
public String getJavascriptLocation()
{
if (_javascriptLocation != null) return _javascriptLocation;
ValueBinding vb = getValueBinding("javascriptLocation");
if (vb == null)
{
return null;
}
else
{
return (String)vb.getValue(getFacesContext());
}
}
public void setImageLocation(String imageLocation)
{
_imageLocation = imageLocation;
}
public String getImageLocation()
{
if (_imageLocation != null) return _imageLocation;
ValueBinding vb = getValueBinding("imageLocation");
if (vb == null)
{
return null;
}
else
{
return (String)vb.getValue(getFacesContext());
}
}
}