gov.sns.application
Class ImageCaptureManager

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--javax.swing.JFileChooser
                          |
                          +--gov.sns.application.ImageCaptureManager
All Implemented Interfaces:
javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class ImageCaptureManager
extends javax.swing.JFileChooser

ImageCaptureManager manages the file chooser used to save image captures of the main window. All applications share the same default folder where the images are saved. This default folder is the last folder where a user saved an image.

See Also:
Serialized Form

Field Summary
protected  javax.swing.JFileChooser fileChooser
          chooser for saving images
protected static int NO_OPTION
           
protected static int YES_OPTION
           
 
Fields inherited from class javax.swing.JFileChooser
ACCEPT_ALL_FILE_FILTER_USED_CHANGED_PROPERTY, accessibleContext, ACCESSORY_CHANGED_PROPERTY, APPROVE_BUTTON_MNEMONIC_CHANGED_PROPERTY, APPROVE_BUTTON_TEXT_CHANGED_PROPERTY, APPROVE_BUTTON_TOOL_TIP_TEXT_CHANGED_PROPERTY, APPROVE_OPTION, APPROVE_SELECTION, CANCEL_OPTION, CANCEL_SELECTION, CHOOSABLE_FILE_FILTER_CHANGED_PROPERTY, CONTROL_BUTTONS_ARE_SHOWN_CHANGED_PROPERTY, CUSTOM_DIALOG, DIALOG_TITLE_CHANGED_PROPERTY, DIALOG_TYPE_CHANGED_PROPERTY, DIRECTORIES_ONLY, DIRECTORY_CHANGED_PROPERTY, ERROR_OPTION, FILE_FILTER_CHANGED_PROPERTY, FILE_HIDING_CHANGED_PROPERTY, FILE_SELECTION_MODE_CHANGED_PROPERTY, FILE_SYSTEM_VIEW_CHANGED_PROPERTY, FILE_VIEW_CHANGED_PROPERTY, FILES_AND_DIRECTORIES, FILES_ONLY, MULTI_SELECTION_ENABLED_CHANGED_PROPERTY, OPEN_DIALOG, SAVE_DIALOG, SELECTED_FILE_CHANGED_PROPERTY, SELECTED_FILES_CHANGED_PROPERTY
 
Fields inherited from class javax.swing.JComponent
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
protected ImageCaptureManager()
          Creates a new instance of ImageCaptureManager
 
Method Summary
static ImageCaptureManager defaultManager()
          Get the default ImageCaptureManager instance.
static int displayConfirmDialog(java.awt.Component owner, java.lang.String title, java.lang.String message)
          Display a confirmation dialog with a title and message
protected  javax.swing.JFileChooser getFileChooser()
          Get the file chooser managed by this manager.
protected  void registerRecentFolder()
          Register the most recent image capture folder visited by the application.
 void saveSnapshot(java.awt.Component component)
          Save a snapshot of the component as a PNG image.
protected  void updateFileChooserFolder()
          Update the current directories of the file choosers.
 
Methods inherited from class javax.swing.JFileChooser
accept, addActionListener, addChoosableFileFilter, approveSelection, cancelSelection, changeToParentDirectory, createDialog, ensureFileIsVisible, fireActionPerformed, getAcceptAllFileFilter, getAccessibleContext, getAccessory, getActionListeners, getApproveButtonMnemonic, getApproveButtonText, getApproveButtonToolTipText, getChoosableFileFilters, getControlButtonsAreShown, getCurrentDirectory, getDescription, getDialogTitle, getDialogType, getDragEnabled, getFileFilter, getFileSelectionMode, getFileSystemView, getFileView, getIcon, getName, getSelectedFile, getSelectedFiles, getTypeDescription, getUI, getUIClassID, isAcceptAllFileFilterUsed, isDirectorySelectionEnabled, isFileHidingEnabled, isFileSelectionEnabled, isMultiSelectionEnabled, isTraversable, paramString, removeActionListener, removeChoosableFileFilter, rescanCurrentDirectory, resetChoosableFileFilters, setAcceptAllFileFilterUsed, setAccessory, setApproveButtonMnemonic, setApproveButtonMnemonic, setApproveButtonText, setApproveButtonToolTipText, setControlButtonsAreShown, setCurrentDirectory, setDialogTitle, setDialogType, setDragEnabled, setFileFilter, setFileHidingEnabled, setFileSelectionMode, setFileSystemView, setFileView, setMultiSelectionEnabled, setSelectedFile, setSelectedFiles, setup, showDialog, showOpenDialog, showSaveDialog, 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, paint, 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, setEnabled, 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, 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, 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, toString, transferFocus, transferFocusUpCycle
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

YES_OPTION

protected static final int YES_OPTION
See Also:
Constant Field Values

NO_OPTION

protected static final int NO_OPTION
See Also:
Constant Field Values

fileChooser

protected javax.swing.JFileChooser fileChooser
chooser for saving images

Constructor Detail

ImageCaptureManager

protected ImageCaptureManager()
Creates a new instance of ImageCaptureManager

Method Detail

defaultManager

public static ImageCaptureManager defaultManager()
Get the default ImageCaptureManager instance.

Returns:
The default ImageCaptureManager instance.

getFileChooser

protected javax.swing.JFileChooser getFileChooser()
Get the file chooser managed by this manager.

Returns:
File chooser managed by this manager.

saveSnapshot

public void saveSnapshot(java.awt.Component component)
                  throws java.awt.AWTException,
                         java.io.IOException
Save a snapshot of the component as a PNG image.

Parameters:
component - The component to capture.
Throws:
java.awt.AWTException - If there is an AWT exception.
java.io.IOException - If there is a file exception.

displayConfirmDialog

public static int displayConfirmDialog(java.awt.Component owner,
                                       java.lang.String title,
                                       java.lang.String message)
Display a confirmation dialog with a title and message

Parameters:
owner - The component in front of which to show the dialog
title - The title of the dialog
message - The message to display
Returns:
YES_OPTION or NO_OPTION

updateFileChooserFolder

protected void updateFileChooserFolder()
Update the current directories of the file choosers.


registerRecentFolder

protected void registerRecentFolder()
Register the most recent image capture folder visited by the application. This item gets saved in the user's preferences and all applications share the same default image capture folder.