ach
Class NavDialog

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Window
              java.awt.Dialog
                  ach.NavDialog

All Implemented Interfaces:

javax.accessibility.Accessible, java.util.EventListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable, java.awt.event.WindowListener

public class NavDialog

extends java.awt.Dialog

implements java.awt.event.WindowListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener

NavFrame.java
Copyright (C) 2001 Helge Hackbarth, All Rights Reserved
Navigation dialog showing the complete image and a rectangle indicating the current viewable area. This rectangle can be dragged with the mouse. The new location of the viewable rectangle is handed over to the calling component through the Scrollable interface (see class ach.Scrollable).

THE AUTHOR MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. THE AUTHOR SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class java.awt.Dialog

java.awt.Dialog.AccessibleAWTDialog

Nested classes inherited from class java.awt.Window

java.awt.Window.AccessibleAWTWindow

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

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

NavDialog(java.awt.Frame parent, Scrollable sc, EMemImageSource imgSrc, java.awt.Dimension innerDim)
Constructor for navigation frame

Method Summary

static java.awt.Dimension	calcFitInDim(java.awt.Dimension innerDim, java.awt.Dimension sourceDim) Calculate Dimension of a rectangle proportionally scaled to fit in the bounding rectangle (innerDim)
void	mouseClicked(java.awt.event.MouseEvent e) event handler for mouse events
void	mouseDragged(java.awt.event.MouseEvent e) event handler for mouse motion events
void	mouseEntered(java.awt.event.MouseEvent e) event handler for mouse events
void	mouseExited(java.awt.event.MouseEvent e) event handler for mouse events
void	mouseMoved(java.awt.event.MouseEvent e) event handler for mouse motion events
void	mousePressed(java.awt.event.MouseEvent e) event handler for mouse events
void	mouseReleased(java.awt.event.MouseEvent e) event handler for mouse events
void	paint(java.awt.Graphics g) Overrides component's paint method
void	setViewRect(java.awt.Rectangle r) Set rectangle of viewable area
void	update(java.awt.Graphics g) Overrides component's update method to suppress clearing of the screen
void	windowActivated(java.awt.event.WindowEvent event) event handler for window events
void	windowClosed(java.awt.event.WindowEvent event) event handler for window events
void	windowClosing(java.awt.event.WindowEvent e) event handler for window events
void	windowDeactivated(java.awt.event.WindowEvent event) event handler for window events
void	windowDeiconified(java.awt.event.WindowEvent event) event handler for window events
void	windowIconified(java.awt.event.WindowEvent event) event handler for window events
void	windowOpened(java.awt.event.WindowEvent event) event handler for window events

Methods inherited from class java.awt.Dialog

addNotify, dispose, getAccessibleContext, getTitle, hide, isModal, isResizable, isUndecorated, paramString, setModal, setResizable, setTitle, setUndecorated, show

Methods inherited from class java.awt.Window

addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, finalize, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getMostRecentFocusOwner, getOwnedWindows, getOwner, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindowStateListeners, isActive, isFocusableWindow, isFocusCycleRoot, isFocused, isShowing, pack, postEvent, processEvent, processWindowEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, setCursor, setFocusableWindowState, setFocusCycleRoot, setLocationRelativeTo, toBack, toFront

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, 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, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Constructor Detail

NavDialog

public NavDialog(java.awt.Frame parent,
                 Scrollable sc,
                 EMemImageSource imgSrc,
                 java.awt.Dimension innerDim)

Constructor for navigation frame

Parameters:

parent - frame that acts as opener for this dialog

sc - scrollable component to be positioned according to navigation of the viewable rectangle

imgSrc - the EMemImageSource representing the image

innerDim - Dimension to be set for the usable area of the navigation frame

Method Detail

calcFitInDim

public static java.awt.Dimension calcFitInDim(java.awt.Dimension innerDim,
                                              java.awt.Dimension sourceDim)

Calculate Dimension of a rectangle proportionally scaled to fit in the bounding rectangle (innerDim)

Parameters:

innerDim - Dimension describing the bounding rectangle

sourceDim - Dimension of the image to be scaled into bounding rectangle

Returns:

Dimension of a proportionally scaled image

setViewRect

public void setViewRect(java.awt.Rectangle r)

Set rectangle of viewable area

Parameters:

r - rectangle of viewable area (with coordinates of source image)

paint

public void paint(java.awt.Graphics g)

Overrides component's paint method

update

public void update(java.awt.Graphics g)

Overrides component's update method to suppress clearing of the screen

mouseClicked

public void mouseClicked(java.awt.event.MouseEvent e)

event handler for mouse events

Specified by:

mouseClicked in interface java.awt.event.MouseListener

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

event handler for mouse events

Specified by:

mousePressed in interface java.awt.event.MouseListener

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

event handler for mouse events

Specified by:

mouseReleased in interface java.awt.event.MouseListener

mouseEntered

public void mouseEntered(java.awt.event.MouseEvent e)

event handler for mouse events

Specified by:

mouseEntered in interface java.awt.event.MouseListener

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

event handler for mouse events

Specified by:

mouseExited in interface java.awt.event.MouseListener

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

event handler for mouse motion events

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

event handler for mouse motion events

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

windowActivated

public void windowActivated(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowActivated in interface java.awt.event.WindowListener

windowClosed

public void windowClosed(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowClosed in interface java.awt.event.WindowListener

windowClosing

public void windowClosing(java.awt.event.WindowEvent e)

event handler for window events

Specified by:

windowClosing in interface java.awt.event.WindowListener

windowDeactivated

public void windowDeactivated(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowDeactivated in interface java.awt.event.WindowListener

windowDeiconified

public void windowDeiconified(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowDeiconified in interface java.awt.event.WindowListener

windowIconified

public void windowIconified(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowIconified in interface java.awt.event.WindowListener

windowOpened

public void windowOpened(java.awt.event.WindowEvent event)

event handler for window events

Specified by:

windowOpened in interface java.awt.event.WindowListener