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Java Source Code / Java Documentation » Ajax » ItsNat » org.itsnat.comp.ui

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Class Diagram

Java Document (Java Doc)

org.itsnat.comp.ui .ItsNatTreeCellUI

All known Subclasses:   org.itsnat.impl.comp.ui .ItsNatTreeCellUIImpl,
ItsNatTreeCellUI
public interface ItsNatTreeCellUI extends ItsNatUserData(Code)
Contains visual information of a tree node.
This interface is the "componentized" version of org.itsnat.core.domutil.ElementTreeNode and follows a similar philosophy. The objective is similar to ItsNatListCellUI applied to tree nodes. Child index, row, tree path, deep level etc are tolerant to tree changes (are automatically updated).

author:
   Jose Maria Arranz Santamaria
See Also:   ItsNatTreeUI.getItsNatTreeCellUIFromRow(int)
See Also:   ItsNatTreeUI.getItsNatTreeCellUIFromNode(org.w3c.dom.Node)

Method Summary
public void expand(boolean expandState)
     Sets the new expand state.
public int getChildCount()
     Returns the number of direct child nodes of this node.
public ItsNatTreeCellUI getChildItsNatTreeCellUIAt(int index)
     Returns the direct child tree node UI at the specified position.
Parameters:
  index - zero based index of the child node position.
public Element getContentElement()
     Returns the content element of this tree node.
public int getDeepLevel()
     Returns the deep (number of parents) of this node.
public Element getHandleElement()
     Returns the handle element of this tree node.
public Element getIconElement()
     Returns the icon element of this tree node.
public int getIndex()
     Returns the zero based index of this node as a child relative to the parent. the index of this node relative to the parent.
public ItsNatTreeUI getItsNatTreeUI()
     Returns the parent tree UI this object belongs to.
public Element getLabelElement()
     Returns the label element of this tree node.
public Element getParentElement()
     Returns the parent element containing this tree node.
public int getRow()
     Returns the row index of this node seeing the tree as a list.
public ItsNatTreeCellUI getTreeNodeUIParent()
     Returns the parent tree node UI of this node.
public ItsNatTreeCellUI[] getTreeNodeUIPath()
     Returns an array with tree node UI objects from this node to the top most (usually the root).
public TreePath getTreePath()
     Returns the tree path of this node.
public boolean isExpanded()
     Returns the current expand state.

Method Detail
expand
public void expand(boolean expandState)(Code)
Sets the new expand state.
Current implementation does not perform DOM changes and only serves to save expand state. Future versions might use this method to render visually the markup effect of the expansion/collapse.

Expand state of child or parent nodes is not affected.

Parameters:
  expandState - the new state.
See Also:   ItsNatTreeCellUI.isExpanded()
See Also:   org.itsnat.comp.ItsNatTree.expandNode(javax.swing.tree.TreePath)
See Also:   org.itsnat.comp.ItsNatTree.collapseNode(javax.swing.tree.TreePath)

getChildCount
public int getChildCount()(Code)
Returns the number of direct child nodes of this node. the number of child nodes.

getChildItsNatTreeCellUIAt
public ItsNatTreeCellUI getChildItsNatTreeCellUIAt(int index)(Code)
Returns the direct child tree node UI at the specified position.
Parameters:
  index - zero based index of the child node position. the child tree node.

getContentElement
public Element getContentElement()(Code)
Returns the content element of this tree node. the content element of this node.
See Also:   ItsNatTreeUI.getContentElementFromRow(int)

getDeepLevel
public int getDeepLevel()(Code)
Returns the deep (number of parents) of this node. If this node is root or a top most (rootless case) returns 0. the deep level of this node.

getHandleElement
public Element getHandleElement()(Code)
Returns the handle element of this tree node. the handle element of this node.
See Also:   ItsNatTreeUI.getHandleElementFromRow(int)

getIconElement
public Element getIconElement()(Code)
Returns the icon element of this tree node. the icon element of this node.
See Also:   ItsNatTreeUI.getIconElementFromRow(int)

getIndex
public int getIndex()(Code)
Returns the zero based index of this node as a child relative to the parent. the index of this node relative to the parent. -1 if this node is a root or a top most node (rootless tree).

getItsNatTreeUI
public ItsNatTreeUI getItsNatTreeUI()(Code)
Returns the parent tree UI this object belongs to. the parent tree UI.

getLabelElement
public Element getLabelElement()(Code)
Returns the label element of this tree node. the label element of this node.
See Also:   ItsNatTreeUI.getLabelElementFromRow(int)

getParentElement
public Element getParentElement()(Code)
Returns the parent element containing this tree node. the parent element of this node.
See Also:   ItsNatTreeUI.getParentElementFromRow(int)

getRow
public int getRow()(Code)
Returns the row index of this node seeing the tree as a list. 0 if this node is the root regardless this tree is rootless or not (if rootless never returns 0 because root node has not markup/tree node UI). the row index of this node seeing the tree as a list.
See Also:   ItsNatTreeUI.getItsNatTreeCellUIFromRow(int)

getTreeNodeUIParent
public ItsNatTreeCellUI getTreeNodeUIParent()(Code)
Returns the parent tree node UI of this node. the parent tree node UI.

getTreeNodeUIPath
public ItsNatTreeCellUI[] getTreeNodeUIPath()(Code)
Returns an array with tree node UI objects from this node to the top most (usually the root).
Element at 0 is the top most node; if this tree is not rootless 0 element is the root, otherwise is the top most parent node containing this node.
an array with this object and any parent tree node UI.

getTreePath
public TreePath getTreePath()(Code)
Returns the tree path of this node. the tree path.

isExpanded
public boolean isExpanded()(Code)
Returns the current expand state. the current expand state, true by default.
See Also:   ItsNatTreeCellUI.expand(boolean)
See Also:   org.itsnat.comp.ItsNatTree.isExpandedNode(javax.swing.tree.TreePath)
See Also:

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