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import org.apache.myfaces.custom.tree2.HtmlTree;
import org.apache.myfaces.custom.tree2.TreeNode;
import org.apache.myfaces.custom.tree2.TreeNodeBase;
import org.apache.myfaces.custom.tree2.TreeModel;
import org.apache.myfaces.custom.tree2.TreeModelBase;
import javax.faces.context.FacesContext;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.validator.ValidatorException;
import javax.faces.event.ActionEvent;
import java.io.Serializable;
/**
* Backer bean for use in example. Basically makes a TreeNode available.
*
* @author Sean Schofield
* @version $Revision: 472610 $ $Date: 2006-11-08 19:46:34 +0000 (Wed, 08 Nov 2006) $
*/
public class TreeBacker implements Serializable
{
/**
* serial id for serialisation versioning
*/
private static final long serialVersionUID = 1L;
private TreeModelBase _treeModel;
private HtmlTree _tree;
public TreeNode getTreeData()
{
TreeNode treeData = new TreeNodeBase("Gestion-folder", "Espace Gestion", false);
// construct a set of fake data (normally your data would come from a database)
// populate Frank's portion of the tree
TreeNodeBase personNode = new TreeNodeBase("person", "Frank Foo", false);
personNode.getChildren().add(new TreeNodeBase("Gestion-folder", "Requires Foo", false));
TreeNodeBase folderNode = new TreeNodeBase("Gestion-folder", "Requires Foo Reviewer", false);
folderNode.getChildren().add(new TreeNodeBase("document", "X050001", true));
folderNode.getChildren().add(new TreeNodeBase("document", "X050002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "X050003", true));
personNode.getChildren().add(folderNode);
personNode.getChildren().add(new TreeNodeBase("Gestion-folder", "Requires Foo Recommendation", false));
folderNode = new TreeNodeBase("Gestion-folder", "Requires Foo Approval", false);
folderNode.getChildren().add(new TreeNodeBase("document", "J050001", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J050002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J050003", true));
folderNode.getChildren().add(new TreeNodeBase("document", "E050011", true));
folderNode.getChildren().add(new TreeNodeBase("document", "R050002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "C050003", true));
personNode.getChildren().add(folderNode);
folderNode = new TreeNodeBase("bar-folder", "Requires Bar Processing", false);
folderNode.getChildren().add(new TreeNodeBase("document", "X050003", true));
folderNode.getChildren().add(new TreeNodeBase("document", "X050011", true));
folderNode.getChildren().add(new TreeNodeBase("document", "F050002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "G050003", true));
personNode.getChildren().add(folderNode);
folderNode = new TreeNodeBase("bar-folder", "Requires Bar Approval", false);
folderNode.getChildren().add(new TreeNodeBase("document", "J050006", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J050007", true));
personNode.getChildren().add(folderNode);
treeData.getChildren().add(personNode);
// populate Betty's portion of the tree
personNode = new TreeNodeBase("person", "Betty Bar", false);
personNode.getChildren().add(new TreeNodeBase("Gestion-folder", "Requires Foo", false));
folderNode = new TreeNodeBase("Gestion-folder", "Requires Foo Reviewer", false);
folderNode.getChildren().add(new TreeNodeBase("document", "X012000", true));
folderNode.getChildren().add(new TreeNodeBase("document", "X013000", true));
folderNode.getChildren().add(new TreeNodeBase("document", "X014000", true));
personNode.getChildren().add(folderNode);
folderNode = new TreeNodeBase("Gestion-folder", "Requires Foo Recommendation", false);
folderNode.getChildren().add(new TreeNodeBase("document", "J010026", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J020002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J030103", true));
folderNode.getChildren().add(new TreeNodeBase("document", "E030214", true));
folderNode.getChildren().add(new TreeNodeBase("document", "R020444", true));
folderNode.getChildren().add(new TreeNodeBase("document", "C010000", true));
personNode.getChildren().add(folderNode);
personNode.getChildren().add(new TreeNodeBase("Gestion-folder", "Requires Foo Approval", false));
folderNode = new TreeNodeBase("bar-folder", "Requires Bar Processing", false);
folderNode.getChildren().add(new TreeNodeBase("document", "T052003", true));
folderNode.getChildren().add(new TreeNodeBase("document", "T020011", true));
personNode.getChildren().add(folderNode);
folderNode = new TreeNodeBase("bar-folder", "Requires Bar Approval", false);
folderNode.getChildren().add(new TreeNodeBase("document", "J010002", true));
folderNode.getChildren().add(new TreeNodeBase("document", "J030047", true));
folderNode.getChildren().add(new TreeNodeBase("document", "F030112", true));
personNode.getChildren().add(folderNode);
treeData.getChildren().add(personNode);
return treeData;
}
/**
* NOTE: This is just to show an alternative way of supplying tree data. You can supply either a
* TreeModel or TreeNode.
*
* @return TreeModel
*/
public TreeModel getExpandedTreeData()
{
return new TreeModelBase(getTreeData());
}
public void setTree(HtmlTree tree)
{
_tree = tree;
}
public HtmlTree getTree()
{
return _tree;
}
public String expandAll()
{
_tree.expandAll();
return null;
}
private String _nodePath;
public void setNodePath(String nodePath)
{
_nodePath = nodePath;
}
public String getNodePath()
{
return _nodePath;
}
public void checkPath(FacesContext context, UIComponent component, java.lang.Object value)
{
// make sure path is valid (leaves cannot be expanded or renderer will complain)
FacesMessage message = null;
String[] path = _tree.getPathInformation(value.toString());
for (int i = 0; i < path.length; i++)
{
String nodeId = path[i];
try
{
_tree.setNodeId(nodeId);
}
catch (Exception e)
{
throw new ValidatorException(message, e);
}
if (_tree.getNode().isLeaf())
{
message = new FacesMessage(FacesMessage.SEVERITY_ERROR, "Invalid node path (cannot expand a leaf): "
+ nodeId, "Invalid node path (cannot expand a leaf): " + nodeId);
throw new ValidatorException(message);
}
}
}
public void expandPath(ActionEvent event)
{
_tree.expandPath(_tree.getPathInformation(_nodePath));
}
} |
