edu.utep.cs.et.gui.explorer
Class DirectoryTree

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JTree
                  edu.utep.cs.et.gui.explorer.DirectoryTree

All Implemented Interfaces:

Constants, DragGestureListener, DragSourceListener, ImageObserver, MenuContainer, Serializable, EventListener, Accessible, Scrollable

 class DirectoryTree
extends JTree
implements DragGestureListener, DragSourceListener, Constants

A tree class that can display directories and files. This class is used to implement the directory browser of the explorer pane.

Author:

Yoonsik Cheon

Nested Class Summary

private static class

DirectoryTree.DirNode A class representing nodes of directory trees.

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

JTree.AccessibleJTree, JTree.DropLocation, JTree.DynamicUtilTreeNode, JTree.EmptySelectionModel, JTree.TreeModelHandler, JTree.TreeSelectionRedirector

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

JComponent.AccessibleJComponent

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

Container.AccessibleAWTContainer

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

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

private static TreeCellRenderer	fancyCellRenderer
private static Icon	ICON_FILE
private static Icon	ICON_FOLDER
private static Icon	ICON_JAVA_FILE
private int	id The identification number of this directory tree.
private static Image	IMAGE_JAVA The image to represent Java source files.
private static Point	IMAGE_OFFSET The offset of icon image to be displayed when an object is dragged.
private static Image	IMAGE_UNKNOWN The image to represent files other than Java source file.
private DirectoryTree.DirNode	rootNode The root node of this directory tree.

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 edu.utep.cs.et.gui.Constants

CLASS_EXTENSION, COLOR_EXPLORER, COLOR_OUTPUT, COPYRIGHT, DEBUG, DIVIDER_SIZE, EDIT_MENU_NAME, EXPLORER_DIR, EXPLORER_ROOT, FILE_MENU_NAME, HELP_MENU_NAME, ICON_ABOUT, ICON_ABSTRACT_CLASS, ICON_BROWSER, ICON_CLASS, ICON_CLASS_DISABLED, ICON_DELETE, ICON_ERROR, ICON_GEN_APP, ICON_HOME, ICON_INFORM, ICON_INTERFACE, ICON_JML_LOGO, ICON_METHOD, ICON_METHOD_GREEN, ICON_METHOD_ORANGE, ICON_METHOD_RED, ICON_MINER, ICON_NEW, ICON_NEWTESTSUITE, ICON_NOTE, ICON_OPEN, ICON_OUTPUT, ICON_PREFERENCES, ICON_QUESTION, ICON_REDO, ICON_SAVE_AS, ICON_TEST_FILE, ICON_UNDO, ICON_UNKOWN, ICON_WARN, JAVA, JAVA_EXTENSION, JAVAC, JUNIT_SWINGGUI_TESTRUNNER, NEWLINE, OPTION_MENU_NAME, TEST_MENU_NAME, TITLE, TOOL_MENU_NAME, VERSION, WEB_PAGE_LOCATION, WEB_PAGE_NAME, WINDOW_HEIGHT, WINDOW_MIN_HEIGHT, WINDOW_MIN_WIDTH, WINDOW_WIDTH

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

DirectoryTree(int id)
Creates a new instance with the given identification number.

Method Summary

private DefaultTreeModel	createTreeModel() Creates and returns a model for this directory tree view.
void	dragDropEnd(DragSourceDropEvent e) Does nothing upon the notification of a drag-and-drop completion.
void	dragEnter(DragSourceDragEvent e) Does nothing upon the notification of a drag-and-drop entering.
void	dragExit(DragSourceEvent e) Does nothing upon the notification of a drag-and-drop exit.
void	dragGestureRecognized(DragGestureEvent e) Handles a drag gesture detected by initiating dragging of the currently selected file or directory.
void	dragOver(DragSourceDragEvent e) Does nothing upon the notification of a drag-and-drop moving over.
void	dropActionChanged(DragSourceDragEvent e) Does nothing upon the notification of a drop gesture change.
private void	explorePath(TreePath path) Explores the given path if it is non-null.
String	getFileName() Returns the absolute path of the selected item.
private boolean	isDraggable() Returns true if the selected item is a file.
void	refresh() Refresh the last selected item by re-exploring its parent.
void	refreshSelected() Refresh the last selected item.
void	refreshSelectedParent() Refresh the last selected item by re-exploring its parent.
void	setRoot(File root) Sets the root of the directory browser.

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, getDropLocation, getDropMode, 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, setDropMode, 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, getBaseline, getBaselineResizeBehavior, 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, isPaintingForPrint, 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

id

private int id

The identification number of this directory tree.

rootNode

private DirectoryTree.DirNode rootNode

The root node of this directory tree.

IMAGE_JAVA

private static final Image IMAGE_JAVA

The image to represent Java source files.

IMAGE_UNKNOWN

private static final Image IMAGE_UNKNOWN

The image to represent files other than Java source file.

ICON_FILE

private static final Icon ICON_FILE

ICON_JAVA_FILE

private static final Icon ICON_JAVA_FILE

ICON_FOLDER

private static final Icon ICON_FOLDER

IMAGE_OFFSET

private static final Point IMAGE_OFFSET

The offset of icon image to be displayed when an object is dragged.

fancyCellRenderer

private static final TreeCellRenderer fancyCellRenderer

Constructor Detail

DirectoryTree

public DirectoryTree(int id)

Creates a new instance with the given identification number.

Method Detail

dragGestureRecognized

public void dragGestureRecognized(DragGestureEvent e)

Handles a drag gesture detected by initiating dragging of the currently selected file or directory.

Specified by:

dragGestureRecognized in interface DragGestureListener

dragDropEnd

public void dragDropEnd(DragSourceDropEvent e)

Does nothing upon the notification of a drag-and-drop completion.

Specified by:

dragDropEnd in interface DragSourceListener

dragEnter

public void dragEnter(DragSourceDragEvent e)

Does nothing upon the notification of a drag-and-drop entering.

Specified by:

dragEnter in interface DragSourceListener

dragExit

public void dragExit(DragSourceEvent e)

Does nothing upon the notification of a drag-and-drop exit.

Specified by:

dragExit in interface DragSourceListener

dragOver

public void dragOver(DragSourceDragEvent e)

Does nothing upon the notification of a drag-and-drop moving over.

Specified by:

dragOver in interface DragSourceListener

dropActionChanged

public void dropActionChanged(DragSourceDragEvent e)

Does nothing upon the notification of a drop gesture change.

Specified by:

dropActionChanged in interface DragSourceListener

getFileName

public String getFileName()

Returns the absolute path of the selected item. A null is returned if no selection is made yet.

refreshSelectedParent

public void refreshSelectedParent()

Refresh the last selected item by re-exploring its parent.

refreshSelected

public void refreshSelected()

Refresh the last selected item.

refresh

public void refresh()

Refresh the last selected item by re-exploring its parent.

setRoot

public void setRoot(File root)

Sets the root of the directory browser.

explorePath

private void explorePath(TreePath path)

Explores the given path if it is non-null.

isDraggable

private boolean isDraggable()

Returns true if the selected item is a file.

createTreeModel

private DefaultTreeModel createTreeModel()

Creates and returns a model for this directory tree view.