Examples of org.itsnat.core.domutil.ElementTreeNode

org.itsnat.core.domutil.ElementTreeNode
Represents a pattern based DOM tree node. A tree node contains (may contain) a handle, an icon and a label elements (these three are the node "content"), and may have child nodes. The tree node structure is used as pattern to create child tree nodes (by using a deep clone), so all child tree nodes have the same structure (same as the pattern), unless there is one child node in markup.
This interface supports "out the box" the typical DOM tree node structure with handle, icon and label elements:
```
 <parent> <content><handle/><icon/><label>markup of label</label></content> <children> ...child tree nodes go here </children> </parent> 
```
The label element is normally used to render below the value associated to node. The method {@link #setValue(Object)} is used to render this value, the structure and rendererobjects are used to customize how and where this value is saved in the tree node beyond the default cases.

A pattern based DOM tree node ever works in "master" mode, see {@link ElementListFree#isMaster()}.
@author Jose Maria Arranz Santamaria @see ElementGroupManager#createElementTreeNode(org.w3c.dom.Element,boolean)

        ItsNatDocument itsNatDoc = null;
        Document doc = itsNatDoc.getDocument();
        Element parent = doc.getElementById("treeId");


        ElementGroupManager factory = itsNatDoc.getElementGroupManager();
        ElementTreeNode rootNode = factory.createElementTreeNode(parent,true);
        rootNode.setValue("Spain");


        ElementTreeNodeList rootChildren = rootNode.getChildTreeNodeList();
    }

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    {
        Document doc = itsNatDoc.getDocument();
        Element treeParentElem = doc.getElementById(treeId);


        ElementGroupManager factory = itsNatDoc.getElementGroupManager();
        ElementTreeNode rootNode = factory.createElementTreeNode(treeParentElem,true,null,null);


        createTree(rootNode);
    }

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        createTree(rootList);
    }


    public void createTree(ElementTreeNodeList rootList)
    {
        ElementTreeNode childNode;


        childNode = rootList.addTreeNode("Item 1");
           childNode = childNode.getChildTreeNodeList().addTreeNode("Item 1.1");
               childNode.getChildTreeNodeList().addTreeNode("Item 1.1.1");


        childNode = rootList.addTreeNode("Item 2");
           childNode.getChildTreeNodeList().addTreeNode("Item 2.1");
           childNode.getChildTreeNodeList().addTreeNode("Item 2.2");
    }

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        ElementTreeNodeStructure structure = FirstLevelTreeStructure.SINGLETON;
        ElementTreeNodeRenderer renderer = FirstLevelTreeRenderer.SINGLETON;
        ElementGroupManager factory = itsNatDoc.getElementGroupManager();
        ElementTreeNodeList tree = factory.createElementTreeNodeList(false,parentElement,true,structure,renderer);
        String[] name;
        ElementTreeNode treeNode;
        ElementTreeNodeList nodeList;


        name = new String[] { "Jose", "Arranz" };
        treeNode = tree.addTreeNode(name);
            nodeList = treeNode.getChildTreeNodeList();
            nodeList.setElementTreeNodeStructure(SecondLevelTreeStructure.SINGLETON);
            nodeList.setElementTreeNodeRenderer(SecondLevelTreeRenderer.SINGLETON);
            nodeList.addTreeNode("Andr�s");
            nodeList.addTreeNode("Pepa");


        name = new String[] { "Antonio", "P�rez" };
        treeNode = tree.addTreeNode(name);
            nodeList = treeNode.getChildTreeNodeList();
            nodeList.setElementTreeNodeStructure(SecondLevelTreeStructure.SINGLETON);
            nodeList.setElementTreeNodeRenderer(SecondLevelTreeRenderer.SINGLETON);
            nodeList.addTreeNode("Sergio");
            nodeList.addTreeNode("Luis");

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        ElementGroupManager factory = itsNatDoc.getElementGroupManager();
        ElementTree tree = factory.createElementTree(false,treeParentElem,true);


        testRemoveRoot(tree);


        ElementTreeNode rootNode = tree.getRootNode();
        createTree(rootNode);
    }

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            addRootNode(path);
        else
        {
            TreeModel dataModel = getItsNatTree().getTreeModel();
            int index = dataModel.getIndexOfChild(parentPath.getLastPathComponent(),path.getLastPathComponent());
            ElementTreeNode parentTreeNode = getElementTreeNodeFromTreePath(parentPath);
            insertElementAt(index,path,parentTreeNode);
        }
    }

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    {
        if (parentPath == null) // Es el caso de eliminar el root
            removeRootNode();
        else
        {
            ElementTreeNode parentTreeNode = getElementTreeNodeFromTreePath(parentPath);
            ElementTreeNodeListImpl treeNodeListParent = (ElementTreeNodeListImpl)parentTreeNode.getChildTreeNodeList();
            int len = treeNodeListParent.getLength();
            for(int i = 0; i < len; i++)
                removeElementAt(0,treeNodeListParent); // Es 0 porque al eliminar cambia la numeraci�n claro
        }
    }

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        insertElementAt(index,path,treeNodeParent.getChildTreeNodeList());
    }


    public void insertElementAt(int index,TreePath path,ElementTreeNodeList treeNodeList)
    {
        ElementTreeNode newTreeNode = treeNodeList.insertTreeNodeAt(index);


        setNodeValueAt(path,false,(ElementTreeNodeImpl)newTreeNode,true);


        // Procesamos los hijos de forma recursiva
        insertChildren(path,newTreeNode.getChildTreeNodeList());
    }

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    {
        rootNode.setUsePatternMarkupToRender(true); // para probar


        rootNode.setValue("Root");


        ElementTreeNode childNode;


        childNode = rootNode.getChildTreeNodeList().addTreeNode("Item 1");
           childNode = childNode.getChildTreeNodeList().addTreeNode("Item 1.1");
               childNode.getChildTreeNodeList().addTreeNode("Item 1.1.1");


        childNode = rootNode.getChildTreeNodeList().addTreeNode("Item 2");
           childNode.getChildTreeNodeList().addTreeNode("Item 2.1");
           childNode.getChildTreeNodeList().addTreeNode("Item 2.2");
    }

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