com.alee.extended.tree
Class ExTreeTransferHandler<N extends UniqueNode,T extends WebExTree<N>>
java.lang.Object
javax.swing.TransferHandler
com.alee.extended.tree.AbstractTreeTransferHandler<N,T,ExTreeModel<N>>
com.alee.extended.tree.ExTreeTransferHandler<N,T>
- All Implemented Interfaces:
- java.io.Serializable
public abstract class ExTreeTransferHandler<N extends UniqueNode,T extends WebExTree<N>>
- extends AbstractTreeTransferHandler<N,T,ExTreeModel<N>>
Custom TransferHandler for WebAsyncTree that provides a quick and convenient way to implement nodes DnD.
- Author:
- Mikle Garin
- See Also:
- Serialized Form
Nested classes/interfaces inherited from class javax.swing.TransferHandler |
javax.swing.TransferHandler.DropLocation, javax.swing.TransferHandler.TransferSupport |
Fields inherited from class javax.swing.TransferHandler |
COPY, COPY_OR_MOVE, LINK, MOVE, NONE |
Method Summary |
protected boolean |
performDropOperation(java.util.List<N> nodes,
N parent,
T tree,
ExTreeModel<N> model,
int index)
Performs actual nodes drop operation. |
protected boolean |
prepareDropOperation(javax.swing.TransferHandler.TransferSupport support,
java.util.List<N> nodes,
int dropIndex,
N parent,
T tree,
ExTreeModel<N> model)
Performs all preparations required to perform drop operation and calls for actual drop when ready. |
protected void |
removeTreeNodes(T tree,
java.util.List<N> nodesToRemove)
Asks tree to remove nodes after drag move operation has completed. |
Methods inherited from class com.alee.extended.tree.AbstractTreeTransferHandler |
canBeDragged, canBeDropped, canDropTo, canImport, collect, copy, createNodesFlavor, createTransferable, exportDone, getAdjustedDropIndex, getSourceActions, importData, isExpandMultiplyNodes, isExpandSingleNode, isMoveAction, isOptimizeDraggedNodes, nodesDropped, setExpandMultiplyNodes, setExpandSingleNode, setOptimizeDraggedNodes, toString |
Methods inherited from class javax.swing.TransferHandler |
canImport, exportAsDrag, exportToClipboard, getCopyAction, getCutAction, getPasteAction, getVisualRepresentation, importData |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
ExTreeTransferHandler
public ExTreeTransferHandler()
removeTreeNodes
protected void removeTreeNodes(T tree,
java.util.List<N> nodesToRemove)
- Asks tree to remove nodes after drag move operation has completed.
- Specified by:
removeTreeNodes
in class AbstractTreeTransferHandler<N extends UniqueNode,T extends WebExTree<N>,ExTreeModel<N extends UniqueNode>>
- Parameters:
tree
- tree to remove nodes fromnodesToRemove
- nodes that should be removed
prepareDropOperation
protected boolean prepareDropOperation(javax.swing.TransferHandler.TransferSupport support,
java.util.List<N> nodes,
int dropIndex,
N parent,
T tree,
ExTreeModel<N> model)
- Performs all preparations required to perform drop operation and calls for actual drop when ready.
- Specified by:
prepareDropOperation
in class AbstractTreeTransferHandler<N extends UniqueNode,T extends WebExTree<N>,ExTreeModel<N extends UniqueNode>>
- Parameters:
support
- transfer support datanodes
- list of nodes to dropdropIndex
- preliminary nodes drop indexparent
- parent node to drop nodes intotree
- tree to drop nodes ontomodel
- tree model
- Returns:
- true if drop operation was successfully completed, false otherwise
performDropOperation
protected boolean performDropOperation(java.util.List<N> nodes,
N parent,
T tree,
ExTreeModel<N> model,
int index)
- Performs actual nodes drop operation.
- Specified by:
performDropOperation
in class AbstractTreeTransferHandler<N extends UniqueNode,T extends WebExTree<N>,ExTreeModel<N extends UniqueNode>>
- Parameters:
nodes
- list of nodes to dropparent
- parent node to drop nodes intotree
- tree to drop nodes ontomodel
- tree modelindex
- nodes drop index
- Returns:
- true if drop operation was successfully completed, false otherwise