org.swtchart.ext

Class InteractiveChart

java.lang.Object

org.eclipse.swt.widgets.Widget

org.eclipse.swt.widgets.Control

org.eclipse.swt.widgets.Scrollable

org.eclipse.swt.widgets.Composite

org.swtchart.Chart

org.swtchart.ext.InteractiveChart

All Implemented Interfaces:

java.util.EventListener, org.eclipse.swt.events.PaintListener, org.eclipse.swt.graphics.Drawable, org.eclipse.swt.internal.SWTEventListener, org.eclipse.swt.widgets.Listener

public class InteractiveChart
extends Chart
implements org.eclipse.swt.events.PaintListener

An interactive chart which provides the following abilities.

• scroll with arrow keys
• zoom in and out with ctrl + arrow up/down keys
• context menus for adjusting axis range and zooming in/out.
• file selector dialog to save chart to image file.
• properties dialog to configure the chart settings

Field Summary

Fields

Modifier and Type	Field and Description
private long	clickedTime the clicked time in milliseconds
private static java.lang.String[]	EXTENSIONS the filter extensions
private PropertiesResources	resources the resources created with properties dialog
protected SelectionRectangle	selection the selection rectangle for zoom in/out

Fields inherited from class org.eclipse.swt.widgets.Composite

embeddedHandle

Fields inherited from class org.eclipse.swt.widgets.Widget

handle

Constructor Summary

Constructors

Constructor and Description
InteractiveChart(org.eclipse.swt.widgets.Composite parent, int style) Constructor.

Method Summary

Modifier and Type	Method and Description
private void	createMenuItems() Creates menu items.
void	dispose()
private IAxis[]	getAxes(int orientation) Gets the axes for given orientation.
void	handleEvent(org.eclipse.swt.widgets.Event event)
private void	handleKeyDownEvent(org.eclipse.swt.widgets.Event event) Handles the key down event.
private void	handleMouseDownEvent(org.eclipse.swt.widgets.Event event) Handles the mouse down event.
private void	handleMouseMoveEvent(org.eclipse.swt.widgets.Event event) Handles mouse move event.
private void	handleMouseUpEvent(org.eclipse.swt.widgets.Event event) Handles the mouse up event.
private void	handleMouseWheel(org.eclipse.swt.widgets.Event event) Handles mouse wheel event.
private void	handleSelectionEvent(org.eclipse.swt.widgets.Event event) Handles the selection event.
private void	init() Initializes.
private void	openPropertiesDialog() Opens the properties dialog.
private void	openSaveAsDialog() Opens the Save As dialog.
void	paintControl(org.eclipse.swt.events.PaintEvent e)
private void	setRange(org.eclipse.swt.graphics.Point range, IAxis axis) Sets the axis range.

Methods inherited from class org.swtchart.Chart

enableCompress, getAxisSet, getBackgroundInPlotArea, getLegend, getOrientation, getPlotArea, getSeriesSet, getTitle, isCompressEnabled, isUpdateSuspended, redraw, renderOffscreenImage, save, setBackground, setBackgroundInPlotArea, setOrientation, suspendUpdate, update, updateLayout

Methods inherited from class org.eclipse.swt.widgets.Composite

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, setLayoutDeferred, setTabList

Methods inherited from class org.eclipse.swt.widgets.Scrollable

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar

Methods inherited from class org.eclipse.swt.widgets.Control

addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getParent, getRegion, getShell, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse

Methods inherited from class org.eclipse.swt.widgets.Widget

addDisposeListener, addListener, checkWidget, getData, getData, getDisplay, getListeners, getStyle, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, reskin, setData, setData, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.swt.graphics.Drawable

isAutoScalable

Field Detail

EXTENSIONS

private static final java.lang.String[] EXTENSIONS

the filter extensions

selection

protected SelectionRectangle selection

the selection rectangle for zoom in/out

clickedTime

private long clickedTime

the clicked time in milliseconds

resources

private PropertiesResources resources

the resources created with properties dialog

Constructor Detail

InteractiveChart

public InteractiveChart(org.eclipse.swt.widgets.Composite parent,
                        int style)

Constructor.

Parameters:

parent - the parent composite

style - the style

Method Detail

init

private void init()

Initializes.

createMenuItems

private void createMenuItems()

Creates menu items.

paintControl

public void paintControl(org.eclipse.swt.events.PaintEvent e)

Specified by:

paintControl in interface org.eclipse.swt.events.PaintListener

handleEvent

public void handleEvent(org.eclipse.swt.widgets.Event event)

Specified by:

handleEvent in interface org.eclipse.swt.widgets.Listener

Overrides:

handleEvent in class Chart

dispose

public void dispose()

Overrides:

dispose in class Chart

handleMouseMoveEvent

private void handleMouseMoveEvent(org.eclipse.swt.widgets.Event event)

Handles mouse move event.

Parameters:

event - the mouse move event

handleMouseDownEvent

private void handleMouseDownEvent(org.eclipse.swt.widgets.Event event)

Handles the mouse down event.

Parameters:

event - the mouse down event

handleMouseUpEvent

private void handleMouseUpEvent(org.eclipse.swt.widgets.Event event)

Handles the mouse up event.

Parameters:

event - the mouse up event

handleMouseWheel

private void handleMouseWheel(org.eclipse.swt.widgets.Event event)

Handles mouse wheel event.

Parameters:

event - the mouse wheel event

handleKeyDownEvent

private void handleKeyDownEvent(org.eclipse.swt.widgets.Event event)

Handles the key down event.

Parameters:

event - the key down event

getAxes

private IAxis[] getAxes(int orientation)

Gets the axes for given orientation.

Parameters:

orientation - the orientation

Returns:

the axes

handleSelectionEvent

private void handleSelectionEvent(org.eclipse.swt.widgets.Event event)

Handles the selection event.

Parameters:

event - the event

openSaveAsDialog

private void openSaveAsDialog()

Opens the Save As dialog.

openPropertiesDialog

private void openPropertiesDialog()

Opens the properties dialog.

setRange

private void setRange(org.eclipse.swt.graphics.Point range,
                      IAxis axis)

Sets the axis range.

Parameters:

range - the axis range in pixels

axis - the axis to set range