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Java Source Code / Java Documentation » Web Framework » aranea mvc 1.1.1 » org.araneaframework.uilib.tree

Source Cross Reference Class Diagram Java Document (Java Doc)

org.araneaframework.uilib.tree .TreeNodeContext

All known Subclasses:   org.araneaframework.uilib.tree .TreeNodeWidget,
TreeNodeContext
public interface TreeNodeContext extends Serializable(Code)
Tree node context. General interface that can be used to access current tree node configuration.
author:
   Alar Kvell (alar@araneaframework.org)
since:
   1.0.7

Method Summary
void addAllNodes(List nodes)
     Appends all given nodes to this tree node.
int addNode(TreeNodeWidget node)
     Adds the given node as the last child node of this tree node.
Parameters:
  node - child node to be added.
void addNode(int index, TreeNodeWidget node)
     Adds the given node to the specified position.
Widget getDisplayWidget()
     Returns the display widget of this tree node.
String getFullId()
     Returns the full id of this tree node.
int getIndex()
     Returns the index this node has under its parent.
TreeNodeContext getNode(int index)
     Returns a child node of this tree node.
int getNodeCount()
     Returns the number of child nodes this tree node has.
List getNodes()
     Returns all child nodes of this tree node.
int getParentCount()
     Returns how many parent nodes this TreeNodeWidget has.
TreeNodeContext getParentNode()
     Returns parent node of this tree node or null if called on the root node.
boolean hasNodes()
     Returns if this tree node has any child nodes.
boolean isCollapsed()
     Returns if tree node is collapsed (children hidden).
void removeAllNodes()
     Removes all child nodes of this tree node.
TreeNodeWidget removeNode(int index)
     Removes child node at the specified position.
void renderNode(OutputData data)
     Renders tree node and all of its children to specified OutputData .
void setCollapsed(boolean collapsed)
     Sets collapsed state of tree node.
void toggleCollapsed()
     Inverts collapsed state of tree node, collapsing expanded node and vice versa.

Method Detail
addAllNodes
void addAllNodes(List nodes)(Code)
Appends all given nodes to this tree node.
Parameters:
  nodes - list of TreeNodeWidgets to be added.

addNode
int addNode(TreeNodeWidget node)(Code)
Adds the given node as the last child node of this tree node.
Parameters:
  node - child node to be added. index of the added child node.

addNode
void addNode(int index, TreeNodeWidget node)(Code)
Adds the given node to the specified position. Moves all subsequent nodes one position further.
Parameters:
  index - Position of the added node
Parameters:
  node - Node to add

getDisplayWidget
Widget getDisplayWidget()(Code)
Returns the display widget of this tree node. Root node of the tree ( TreeWidget ) has no display widget ( TreeNodeContext.getDisplayWidget() is null).

getFullId
String getFullId()(Code)
Returns the full id of this tree node.
since:
   1.1

getIndex
int getIndex()(Code)
Returns the index this node has under its parent.

getNode
TreeNodeContext getNode(int index)(Code)
Returns a child node of this tree node.
Parameters:
  index - index of the returned child node.

getNodeCount
int getNodeCount()(Code)
Returns the number of child nodes this tree node has. The display widget is not counted as a child node.

getNodes
List getNodes()(Code)
Returns all child nodes of this tree node. list of TreeNodeWidgets.

getParentCount
int getParentCount()(Code)
Returns how many parent nodes this TreeNodeWidget has. TreeWidget (root node) has zero parents, it's immediate children have one parent, etc. number of parents in hierarchy.

getParentNode
TreeNodeContext getParentNode()(Code)
Returns parent node of this tree node or null if called on the root node.

hasNodes
boolean hasNodes()(Code)
Returns if this tree node has any child nodes.

isCollapsed
boolean isCollapsed()(Code)
Returns if tree node is collapsed (children hidden).

removeAllNodes
void removeAllNodes()(Code)
Removes all child nodes of this tree node.

removeNode
TreeNodeWidget removeNode(int index)(Code)
Removes child node at the specified position.
Parameters:
  index - Position of the removed node Node that was removed

renderNode
void renderNode(OutputData data) throws Exception(Code)
Renders tree node and all of its children to specified OutputData . Could be called from action listener of tree node display widget.

setCollapsed
void setCollapsed(boolean collapsed)(Code)
Sets collapsed state of tree node. If true, child nodes are hidden, otherwise child nodes are shown. This may trigger removal or retrieval of child nodes using TreeDataProvider if TreeContext.isRemoveChildrenOnCollapse is true.

toggleCollapsed
void toggleCollapsed()(Code)
Inverts collapsed state of tree node, collapsing expanded node and vice versa.

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