de.pannenleiter.client
Class TreeWidget

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--java.awt.Panel
                    |
                    +--de.pannenleiter.client.TreeWidget

public class TreeWidget

extends java.awt.Panel

implements java.awt.LayoutManager, java.awt.ItemSelectable

TreeWidget -- a tree widget

See Also:

Serialized Form

Field Summary

protected java.awt.event.ActionListener	actionListener
static int	CLOSED
protected java.awt.FontMetrics	fm
protected boolean	hasFocus
protected java.awt.Scrollbar	horizontal
protected int	indentWidth
protected java.awt.event.ItemListener	itemListener
protected long	lastClick
protected TreeNode	lastClickNode
protected int	lineHight
protected de.pannenleiter.client.TreeWidget.InnerPanel	myPanel
static int	OPENED
protected java.util.Hashtable	selectedNodes
protected TreeNode	tree
protected java.awt.Scrollbar	vertical

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Constructor Summary

TreeWidget()

TreeWidget(int policy)

Method Summary

void	addActionListener(java.awt.event.ActionListener l)
void	addItemListener(java.awt.event.ItemListener l)
void	addLayoutComponent(java.lang.String name, java.awt.Component comp)
void	assertVisible(int line)
protected void	calcFont()
protected int	calcHeight()
protected int	calcWidth()
java.awt.Dimension	getMaximumSize()
java.awt.Dimension	getMinimumSize()
java.awt.Dimension	getPreferredSize()
java.lang.Object[]	getSelectedObjects()
void	layoutContainer(java.awt.Container parent)
static void	main(java.lang.String[] args)
java.awt.Dimension	minimumLayoutSize(java.awt.Container parent)
void	paint(java.awt.Graphics g)
java.awt.Dimension	preferredLayoutSize(java.awt.Container parent)
protected void	processFocusEvent(java.awt.event.FocusEvent e)
void	removeActionListener(java.awt.event.ActionListener l)
void	removeItemListener(java.awt.event.ItemListener l)
void	removeLayoutComponent(java.awt.Component comp)
protected void	setScrollbars(int ho, int ve)
void	setTree(TreeNode tree)

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getInsets, getLayout, insets, invalidate, isAncestorOf, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setCursor, setFont, setLayout, update, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addPropertyChangeListener, addPropertyChangeListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentOrientation, getCursor, getDropTarget, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getInputContext, getInputMethodRequests, getLocale, getLocation, getLocation, getLocationOnScreen, getName, getParent, getPeer, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isDisplayable, isDoubleBuffered, isEnabled, isFocusTraversable, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, remove, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setForeground, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus

Methods inherited from class java.lang.Object

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

Field Detail

OPENED

public static final int OPENED

CLOSED

public static final int CLOSED

fm

protected java.awt.FontMetrics fm

lineHight

protected int lineHight

indentWidth

protected int indentWidth

myPanel

protected de.pannenleiter.client.TreeWidget.InnerPanel myPanel

horizontal

protected java.awt.Scrollbar horizontal

vertical

protected java.awt.Scrollbar vertical

lastClick

protected long lastClick

lastClickNode

protected TreeNode lastClickNode

hasFocus

protected boolean hasFocus

tree

protected TreeNode tree

selectedNodes

protected java.util.Hashtable selectedNodes

itemListener

protected java.awt.event.ItemListener itemListener

actionListener

protected java.awt.event.ActionListener actionListener

Constructor Detail

TreeWidget

public TreeWidget(int policy)

TreeWidget

public TreeWidget()

Method Detail

calcFont

protected void calcFont()

calcHeight

protected int calcHeight()

calcWidth

protected int calcWidth()

getPreferredSize

public java.awt.Dimension getPreferredSize()

Overrides:

getPreferredSize in class java.awt.Container

getMinimumSize

public java.awt.Dimension getMinimumSize()

Overrides:

getMinimumSize in class java.awt.Container

getMaximumSize

public java.awt.Dimension getMaximumSize()

Overrides:

getMaximumSize in class java.awt.Container

addLayoutComponent

public void addLayoutComponent(java.lang.String name,
                               java.awt.Component comp)

Specified by:

addLayoutComponent in interface java.awt.LayoutManager

removeLayoutComponent

public void removeLayoutComponent(java.awt.Component comp)

Specified by:

removeLayoutComponent in interface java.awt.LayoutManager

preferredLayoutSize

public java.awt.Dimension preferredLayoutSize(java.awt.Container parent)

Specified by:

preferredLayoutSize in interface java.awt.LayoutManager

minimumLayoutSize

public java.awt.Dimension minimumLayoutSize(java.awt.Container parent)

Specified by:

minimumLayoutSize in interface java.awt.LayoutManager

layoutContainer

public void layoutContainer(java.awt.Container parent)

Specified by:

layoutContainer in interface java.awt.LayoutManager

setScrollbars

protected void setScrollbars(int ho,
                             int ve)

paint

public void paint(java.awt.Graphics g)

Overrides:

paint in class java.awt.Container

processFocusEvent

protected void processFocusEvent(java.awt.event.FocusEvent e)

Overrides:

processFocusEvent in class java.awt.Component

assertVisible

public void assertVisible(int line)

setTree

public void setTree(TreeNode tree)

addItemListener

public void addItemListener(java.awt.event.ItemListener l)

Specified by:

addItemListener in interface java.awt.ItemSelectable

addActionListener

public void addActionListener(java.awt.event.ActionListener l)

removeItemListener

public void removeItemListener(java.awt.event.ItemListener l)

Specified by:

removeItemListener in interface java.awt.ItemSelectable

removeActionListener

public void removeActionListener(java.awt.event.ActionListener l)

getSelectedObjects

public java.lang.Object[] getSelectedObjects()

Specified by:

getSelectedObjects in interface java.awt.ItemSelectable

main

public static void main(java.lang.String[] args)