org.xnap.gui.tree
Class DroppableTree

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JTree
                  org.xnap.gui.tree.DroppableTree

All Implemented Interfaces:

java.awt.dnd.Autoscroll, java.awt.dnd.DropTargetListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible, javax.swing.Scrollable

Direct Known Subclasses:

LibraryTree

public class DroppableTree
extends javax.swing.JTree
implements java.awt.dnd.DropTargetListener, java.awt.dnd.Autoscroll

Provides a JTree aware of drops performed on its nodes. Drop objects have to be of flavor TransferableFile.FILE_FLAVOR to be accepted.

See Also:

Serialized Form

Nested Class Summary

protected class

DroppableTree.HoverListener

Nested classes/interfaces inherited from class javax.swing.JTree

javax.swing.JTree.AccessibleJTree, javax.swing.JTree.DynamicUtilTreeNode, javax.swing.JTree.EmptySelectionModel, javax.swing.JTree.TreeModelHandler, javax.swing.JTree.TreeSelectionRedirector

Nested classes/interfaces inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes/interfaces inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

static int	AUTOSCROLL_MARGIN
protected javax.swing.Timer	delayTimer
protected boolean	dndActive
protected java.awt.dnd.DropTarget	dropTarget
protected javax.swing.tree.TreePath	originalPath
protected java.awt.Component	parent

Fields inherited from class javax.swing.JTree

ANCHOR_SELECTION_PATH_PROPERTY, CELL_EDITOR_PROPERTY, CELL_RENDERER_PROPERTY, cellEditor, cellRenderer, editable, EDITABLE_PROPERTY, EXPANDS_SELECTED_PATHS_PROPERTY, INVOKES_STOP_CELL_EDITING_PROPERTY, invokesStopCellEditing, LARGE_MODEL_PROPERTY, largeModel, LEAD_SELECTION_PATH_PROPERTY, ROOT_VISIBLE_PROPERTY, rootVisible, ROW_HEIGHT_PROPERTY, rowHeight, SCROLLS_ON_EXPAND_PROPERTY, scrollsOnExpand, SELECTION_MODEL_PROPERTY, selectionModel, selectionRedirector, SHOWS_ROOT_HANDLES_PROPERTY, showsRootHandles, TOGGLE_CLICK_COUNT_PROPERTY, toggleClickCount, TREE_MODEL_PROPERTY, treeModel, treeModelListener, VISIBLE_ROW_COUNT_PROPERTY, visibleRowCount

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

DroppableTree(javax.swing.tree.TreeModel tm, java.awt.Component parent)

Method Summary

void	autoscroll(java.awt.Point p)
protected void	cleanUp() After DND this method should be called to set the tree in its original state.
void	dragEnter(java.awt.dnd.DropTargetDragEvent event)
void	dragExit(java.awt.dnd.DropTargetEvent event)
void	dragOver(java.awt.dnd.DropTargetDragEvent event)
void	drop(java.awt.dnd.DropTargetDropEvent event)
void	dropActionChanged(java.awt.dnd.DropTargetDragEvent event)
protected void	fireValueChanged(javax.swing.event.TreeSelectionEvent e) Only issue TreeSelectionEvents if the tree is not in DND mode.
java.awt.Insets	getAutoscrollInsets()

Methods inherited from class javax.swing.JTree

addSelectionInterval, addSelectionPath, addSelectionPaths, addSelectionRow, addSelectionRows, addTreeExpansionListener, addTreeSelectionListener, addTreeWillExpandListener, cancelEditing, clearSelection, clearToggledPaths, collapsePath, collapseRow, convertValueToText, createTreeModel, createTreeModelListener, expandPath, expandRow, fireTreeCollapsed, fireTreeExpanded, fireTreeWillCollapse, fireTreeWillExpand, getAccessibleContext, getAnchorSelectionPath, getCellEditor, getCellRenderer, getClosestPathForLocation, getClosestRowForLocation, getDefaultTreeModel, getDescendantToggledPaths, getDragEnabled, getEditingPath, getExpandedDescendants, getExpandsSelectedPaths, getInvokesStopCellEditing, getLastSelectedPathComponent, getLeadSelectionPath, getLeadSelectionRow, getMaxSelectionRow, getMinSelectionRow, getModel, getNextMatch, getPathBetweenRows, getPathBounds, getPathForLocation, getPathForRow, getPreferredScrollableViewportSize, getRowBounds, getRowCount, getRowForLocation, getRowForPath, getRowHeight, getScrollableBlockIncrement, getScrollableTracksViewportHeight, getScrollableTracksViewportWidth, getScrollableUnitIncrement, getScrollsOnExpand, getSelectionCount, getSelectionModel, getSelectionPath, getSelectionPaths, getSelectionRows, getShowsRootHandles, getToggleClickCount, getToolTipText, getTreeExpansionListeners, getTreeSelectionListeners, getTreeWillExpandListeners, getUI, getUIClassID, getVisibleRowCount, hasBeenExpanded, isCollapsed, isCollapsed, isEditable, isEditing, isExpanded, isExpanded, isFixedRowHeight, isLargeModel, isPathEditable, isPathSelected, isRootVisible, isRowSelected, isSelectionEmpty, isVisible, makeVisible, paramString, removeDescendantSelectedPaths, removeDescendantToggledPaths, removeSelectionInterval, removeSelectionPath, removeSelectionPaths, removeSelectionRow, removeSelectionRows, removeTreeExpansionListener, removeTreeSelectionListener, removeTreeWillExpandListener, scrollPathToVisible, scrollRowToVisible, setAnchorSelectionPath, setCellEditor, setCellRenderer, setDragEnabled, setEditable, setExpandedState, setExpandsSelectedPaths, setInvokesStopCellEditing, setLargeModel, setLeadSelectionPath, setModel, setRootVisible, setRowHeight, setScrollsOnExpand, setSelectionInterval, setSelectionModel, setSelectionPath, setSelectionPaths, setSelectionRow, setSelectionRows, setShowsRootHandles, setToggleClickCount, setUI, setVisibleRowCount, startEditingAtPath, stopEditing, treeDidChange, updateUI

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

AUTOSCROLL_MARGIN

public static final int AUTOSCROLL_MARGIN

See Also:

Constant Field Values

dropTarget

protected java.awt.dnd.DropTarget dropTarget

originalPath

protected javax.swing.tree.TreePath originalPath

delayTimer

protected javax.swing.Timer delayTimer

parent

protected java.awt.Component parent

dndActive

protected boolean dndActive

Constructor Detail

DroppableTree

public DroppableTree(javax.swing.tree.TreeModel tm,
                     java.awt.Component parent)

Method Detail

autoscroll

public void autoscroll(java.awt.Point p)

Specified by:

autoscroll in interface java.awt.dnd.Autoscroll

getAutoscrollInsets

public java.awt.Insets getAutoscrollInsets()

Specified by:

getAutoscrollInsets in interface java.awt.dnd.Autoscroll

dragEnter

public void dragEnter(java.awt.dnd.DropTargetDragEvent event)

Specified by:

dragEnter in interface java.awt.dnd.DropTargetListener

dragExit

public void dragExit(java.awt.dnd.DropTargetEvent event)

Specified by:

dragExit in interface java.awt.dnd.DropTargetListener

dragOver

public void dragOver(java.awt.dnd.DropTargetDragEvent event)

Specified by:

dragOver in interface java.awt.dnd.DropTargetListener

cleanUp

protected void cleanUp()

After DND this method should be called to set the tree in its original state.

fireValueChanged

protected void fireValueChanged(javax.swing.event.TreeSelectionEvent e)

Only issue TreeSelectionEvents if the tree is not in DND mode.

Overrides:

fireValueChanged in class javax.swing.JTree

drop

public void drop(java.awt.dnd.DropTargetDropEvent event)

Specified by:

drop in interface java.awt.dnd.DropTargetListener

dropActionChanged

public void dropActionChanged(java.awt.dnd.DropTargetDragEvent event)

Specified by:

dropActionChanged in interface java.awt.dnd.DropTargetListener