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org.greenstone.gatherer.gui.tree
Class DragTree  

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JTree
                  org.greenstone.gatherer.gui.tree.DragTree

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.dnd.Autoscroll, org.greenstone.gatherer.util.DragComponent, java.awt.dnd.DragGestureListener, java.awt.dnd.DragSourceListener, java.awt.dnd.DropTargetListener, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, javax.swing.Scrollable, java.io.Serializable, javax.swing.event.TreeSelectionListener

Direct Known Subclasses:

WorkspaceTree

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public class DragTree

extends javax.swing.JTree

implements java.awt.dnd.Autoscroll, java.awt.dnd.DragGestureListener, java.awt.dnd.DragSourceListener, java.awt.dnd.DropTargetListener, org.greenstone.gatherer.util.DragComponent, javax.swing.event.TreeSelectionListener

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Nested Class Summary

 

Nested classes 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 inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

 

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

 

Nested classes inherited from class java.awt.Component

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

 

Field Summary
private static int	AUTOSCROLL_MARGIN           The distance from the edge of the current view within the scroll bar which if entered causes the view to scroll.
private  java.awt.Color	background_color           The normal background color.
static int	COLLECTION_CONTENTS_CHANGED
private  javax.swing.ImageIcon	disabled_background           The image to use for the disabled background.
private  int	drag_action           The default drag action, although its not that important as we provide custom icons during drags.
private  java.awt.Color	foreground_color           The normal foreground color.
private  org.greenstone.gatherer.util.DragGroup	group           The Group this component belongs to.
static int	LIBRARY_CONTENTS_CHANGED
static int	LOADED_COLLECTION_CHANGED
private  java.awt.Rectangle	lower_cue_line           The region borderer by the lower cue line.
private  javax.swing.ImageIcon	multiple_icon           The icon to use for multiple node drag'n'drops.
private  java.lang.String	name           The identifying name of this Tree.
private static java.awt.Cursor	NO_DRAG_CURSOR
private  javax.swing.ImageIcon	normal_background           The image to use for a normal background.
private  javax.swing.tree.TreePath	previous_path           The last tree path the drag was hovered over.
private  java.awt.Point	pt_last           The location of the last ghost drawn, so that we can repair the 'spoilt' area.
private  java.awt.Rectangle	ra_ghost           The region covered by the drag ghost icon.
private static java.awt.Color	TRANSPARENT_COLOR
static int	TREE_DISPLAY_CHANGED
private  java.awt.Rectangle	upper_cue_line           The region borderer by the upper cue line.

 

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.Container

 

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

DragTree(java.lang.String name, java.lang.String background_name, boolean mixed_selection)

DragTree(java.lang.String name, javax.swing.tree.TreeModel model, java.lang.String background_name, boolean mixed_selection)

 

Method Summary
void	autoscroll(java.awt.Point pt)           Notify the Component to autoscroll
void	clearGhost()           In order for the appearance to be consistant, given we may be in the situation where the pointer has left our focus but the ghost remains, this method allows other members of the GGroup to tell this component to clear its ghost.
void	dragDropEnd(java.awt.dnd.DragSourceDropEvent event)           Any implementation of DragSourceListener must include this method so we can be notified when the drag event ends (somewhere else), which will in turn remove actions.
void	dragEnter(java.awt.dnd.DragSourceDragEvent event)           Any implementation of DragSourceListener must include this method so we can be notified when the drag focus enters this component.
void	dragEnter(java.awt.dnd.DropTargetDragEvent event)           Any implementation of DropTargetListener must include this method so we can be notified when the drag focus enters this component, which in this case is to grab focus from within our group.
void	dragExit(java.awt.dnd.DragSourceEvent event)           Any implementation of DragSourceListener must include this method so we can be notified when the drag focus leaves this component.
void	dragExit(java.awt.dnd.DropTargetEvent event)           Any implementation of DropTargetListener must include this method so we can be notified when the drag focus leaves this component.
void	dragGestureRecognized(java.awt.dnd.DragGestureEvent event)           Any implementation of DragGestureListener must include this method so we can be notified when a drag action has been noticed, thus a drag action has begun.
void	dragOver(java.awt.dnd.DragSourceDragEvent event)           Implementation side-effect.
void	dragOver(java.awt.dnd.DropTargetDragEvent event)           Any implementation of DropTargetListener must include this method so we can be notified when the drag moves in this component.
void	drop(java.awt.dnd.DropTargetDropEvent event)           Any implementation of DropTargetListener must include this method so we can be notified when the drag ends, ie the transferable is dropped.
void	dropActionChanged(java.awt.dnd.DragSourceDragEvent event)           Any implementation of DragSourceListener must include this method so we can be notified when the action to be taken upon drop changes.
void	dropActionChanged(java.awt.dnd.DropTargetDragEvent event)           Any implementation of DropTargetListener must include this method so we can be notified when the action to be taken upon drop changes.
void	gainFocus()           Used to notify this component that it has gained focus.
java.awt.Insets	getAutoscrollInsets()           Autoscroll Interface...
java.lang.String	getSelectionDetails()
org.greenstone.gatherer.file.FileSystemModel	getTreeModel()           Retrieve the model associated with this component.
void	init(java.lang.String name, java.lang.String background_name, boolean mixed_selection)
private  boolean	isValidDrag()           returns false for dummy nodes (ones without files), and system root nodes
private  boolean	isValidDrop(javax.swing.tree.TreePath target_path)
void	loseFocus()           This method is used to inform this component when it loses focus, and should indicate this somehow.
void	mapDirectory(java.io.File file, java.lang.String title)
void	paint(java.awt.Graphics g)           Paint the component.
void	refresh(javax.swing.tree.TreePath path)
void	setBackgroundNonSelectionColor(java.awt.Color color)
void	setBackgroundSelectionColor(java.awt.Color color)
void	setEnabled(boolean state)           Override the normal setEnabled so the Tree exhibits a little more change, which in this instance is the background colour changing.
void	setGroup(org.greenstone.gatherer.util.DragGroup group)           Set the components group.
void	setImmediate(boolean state)           Determines whether the following selection attempts should go through the normal delayed selection model, or should happen immediately.
void	setModel(javax.swing.tree.TreeModel model)           Sets the model to use in JTree.
void	setSelection(java.io.File file)           Ensure that that file node denoted by the given file is selected.
void	setTextNonSelectionColor(java.awt.Color color)
void	setTextSelectionColor(java.awt.Color color)
java.lang.String	toString()           Returns a string representation of this component.
void	valueChanged(javax.swing.event.TreeSelectionEvent event)           Value changed

 

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, fireValueChanged, 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, 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, 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, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setFont, setForeground, 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, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, swapComponents, 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, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, 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, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, transferFocus, transferFocusBackward, transferFocusUpCycle

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.greenstone.gatherer.util.DragComponent

addFocusListener

 

Field Detail

background_color

private java.awt.Color background_color

The normal background color.

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foreground_color

private java.awt.Color foreground_color

The normal foreground color.

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group

private org.greenstone.gatherer.util.DragGroup group

The Group this component belongs to.

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disabled_background

private javax.swing.ImageIcon disabled_background

The image to use for the disabled background.

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normal_background

private javax.swing.ImageIcon normal_background

The image to use for a normal background.

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multiple_icon

private javax.swing.ImageIcon multiple_icon

The icon to use for multiple node drag'n'drops. We decided against using the windows paradigm or a block of x horizontal lines for x files.

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drag_action

private int drag_action

The default drag action, although its not that important as we provide custom icons during drags.

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pt_last

private java.awt.Point pt_last

The location of the last ghost drawn, so that we can repair the 'spoilt' area.

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lower_cue_line

private java.awt.Rectangle lower_cue_line

The region borderer by the lower cue line.

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ra_ghost

private java.awt.Rectangle ra_ghost

The region covered by the drag ghost icon.

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upper_cue_line

private java.awt.Rectangle upper_cue_line

The region borderer by the upper cue line.

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name

private java.lang.String name

The identifying name of this Tree.

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previous_path

private javax.swing.tree.TreePath previous_path

The last tree path the drag was hovered over.

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NO_DRAG_CURSOR

private static java.awt.Cursor NO_DRAG_CURSOR

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TRANSPARENT_COLOR

private static final java.awt.Color TRANSPARENT_COLOR

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AUTOSCROLL_MARGIN

private static final int AUTOSCROLL_MARGIN

The distance from the edge of the current view within the scroll bar which if entered causes the view to scroll.

See Also:

Constant Field Values

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LIBRARY_CONTENTS_CHANGED

public static int LIBRARY_CONTENTS_CHANGED

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LOADED_COLLECTION_CHANGED

public static int LOADED_COLLECTION_CHANGED

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COLLECTION_CONTENTS_CHANGED

public static int COLLECTION_CONTENTS_CHANGED

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TREE_DISPLAY_CHANGED

public static int TREE_DISPLAY_CHANGED

Constructor Detail

DragTree

public DragTree(java.lang.String name,
                java.lang.String background_name,
                boolean mixed_selection)

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DragTree

public DragTree(java.lang.String name,
                javax.swing.tree.TreeModel model,
                java.lang.String background_name,
                boolean mixed_selection)

Method Detail

init

public void init(java.lang.String name,
                 java.lang.String background_name,
                 boolean mixed_selection)

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autoscroll

public void autoscroll(java.awt.Point pt)

Description copied from interface: java.awt.dnd.Autoscroll

Notify the Component to autoscroll

Specified by:

autoscroll in interface java.awt.dnd.Autoscroll

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clearGhost

public void clearGhost()

In order for the appearance to be consistant, given we may be in the situation where the pointer has left our focus but the ghost remains, this method allows other members of the GGroup to tell this component to clear its ghost.

Specified by:

clearGhost in interface org.greenstone.gatherer.util.DragComponent

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dragDropEnd

public void dragDropEnd(java.awt.dnd.DragSourceDropEvent event)

Any implementation of DragSourceListener must include this method so we can be notified when the drag event ends (somewhere else), which will in turn remove actions.

Specified by:

dragDropEnd in interface java.awt.dnd.DragSourceListener

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dragEnter

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

Any implementation of DragSourceListener must include this method so we can be notified when the drag focus enters this component.

Specified by:

dragEnter in interface java.awt.dnd.DragSourceListener

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dragEnter

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

Any implementation of DropTargetListener must include this method so we can be notified when the drag focus enters this component, which in this case is to grab focus from within our group.

Specified by:

dragEnter in interface java.awt.dnd.DropTargetListener

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dragExit

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

Any implementation of DragSourceListener must include this method so we can be notified when the drag focus leaves this component.

Specified by:

dragExit in interface java.awt.dnd.DragSourceListener

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dragExit

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

Any implementation of DropTargetListener must include this method so we can be notified when the drag focus leaves this component.

Specified by:

dragExit in interface java.awt.dnd.DropTargetListener

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dragGestureRecognized

public void dragGestureRecognized(java.awt.dnd.DragGestureEvent event)

Any implementation of DragGestureListener must include this method so we can be notified when a drag action has been noticed, thus a drag action has begun.

Specified by:

dragGestureRecognized in interface java.awt.dnd.DragGestureListener

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dragOver

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

Implementation side-effect.

Specified by:

dragOver in interface java.awt.dnd.DragSourceListener

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dragOver

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

Any implementation of DropTargetListener must include this method so we can be notified when the drag moves in this component.

Specified by:

dragOver in interface java.awt.dnd.DropTargetListener

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drop

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

Any implementation of DropTargetListener must include this method so we can be notified when the drag ends, ie the transferable is dropped.

Specified by:

drop in interface java.awt.dnd.DropTargetListener

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dropActionChanged

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

Any implementation of DragSourceListener must include this method so we can be notified when the action to be taken upon drop changes.

Specified by:

dropActionChanged in interface java.awt.dnd.DragSourceListener

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dropActionChanged

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

Any implementation of DropTargetListener must include this method so we can be notified when the action to be taken upon drop changes.

Specified by:

dropActionChanged in interface java.awt.dnd.DropTargetListener

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gainFocus

public void gainFocus()

Used to notify this component that it has gained focus. It should make some effort to inform the user of this.

Specified by:

gainFocus in interface org.greenstone.gatherer.util.DragComponent

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getAutoscrollInsets

public java.awt.Insets getAutoscrollInsets()

Autoscroll Interface... The following code was borrowed from the book: Java Swing By Robert Eckstein, Marc Loy & Dave Wood Paperback - 1221 pages 1 Ed edition (September 1998) O'Reilly & Associates; ISBN: 156592455X The relevant chapter of which can be found at: http://www.oreilly.com/catalog/jswing/chapter/dnd.beta.pdf Calculate the insets for the *JTREE*, not the viewport the tree is in. This makes it a bit messy.

Specified by:

getAutoscrollInsets in interface java.awt.dnd.Autoscroll

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getSelectionDetails

public java.lang.String getSelectionDetails()

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getTreeModel

public org.greenstone.gatherer.file.FileSystemModel getTreeModel()

Description copied from interface: org.greenstone.gatherer.util.DragComponent

Retrieve the model associated with this component.

Specified by:

getTreeModel in interface org.greenstone.gatherer.util.DragComponent

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loseFocus

public void loseFocus()

This method is used to inform this component when it loses focus, and should indicate this somehow.

Specified by:

loseFocus in interface org.greenstone.gatherer.util.DragComponent

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mapDirectory

public void mapDirectory(java.io.File file,
                         java.lang.String title)

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paint

public void paint(java.awt.Graphics g)

Description copied from class: javax.swing.JComponent

Paint the component. This is a delicate process, and should only be called from the repaint thread, under control of the javax.swing.RepaintManager. Client code should usually call Component.repaint()>Component.repaint() 55 to trigger painting.

The body of the paint call involves calling JComponent.paintComponent(java.awt.Graphics)>JComponent.paintComponent(java.awt.Graphics) 55 , JComponent.paintBorder(java.awt.Graphics)>JComponent.paintBorder(java.awt.Graphics) 55 , and JComponent.paintChildren(java.awt.Graphics)>JComponent.paintChildren(java.awt.Graphics) 55 in order. If you want to customize painting behavior, you should override one of these methods rather than paint.

For more details on the painting sequence, see this article.

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refresh

public void refresh(javax.swing.tree.TreePath path)

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setBackgroundNonSelectionColor

public void setBackgroundNonSelectionColor(java.awt.Color color)

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setBackgroundSelectionColor

public void setBackgroundSelectionColor(java.awt.Color color)

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setEnabled

public void setEnabled(boolean state)

Override the normal setEnabled so the Tree exhibits a little more change, which in this instance is the background colour changing.

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setGroup

public void setGroup(org.greenstone.gatherer.util.DragGroup group)

Description copied from interface: org.greenstone.gatherer.util.DragComponent

Set the components group.

Specified by:

setGroup in interface org.greenstone.gatherer.util.DragComponent

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setImmediate

public void setImmediate(boolean state)

Determines whether the following selection attempts should go through the normal delayed selection model, or should happen immediately.

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setModel

public void setModel(javax.swing.tree.TreeModel model)

Description copied from class: javax.swing.JTree

Sets the model to use in JTree.

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setSelection

public void setSelection(java.io.File file)

Ensure that that file node denoted by the given file is selected.

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setTextNonSelectionColor

public void setTextNonSelectionColor(java.awt.Color color)

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setTextSelectionColor

public void setTextSelectionColor(java.awt.Color color)

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toString

public java.lang.String toString()

Description copied from class: java.awt.Component

Returns a string representation of this component. This is implemented as getClass().getName() + '[' + paramString() + ']'.

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valueChanged

public void valueChanged(javax.swing.event.TreeSelectionEvent event)

Description copied from interface: javax.swing.event.TreeSelectionListener

Value changed

Specified by:

valueChanged in interface javax.swing.event.TreeSelectionListener

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isValidDrag

private boolean isValidDrag()

returns false for dummy nodes (ones without files), and system root nodes

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isValidDrop

private boolean isValidDrop(javax.swing.tree.TreePath target_path)

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Overview  Package   Class  Use  Deprecated  Index
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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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