org.pentaho.di.ui.spoon

Class AbstractGraph

java.lang.Object

org.eclipse.swt.widgets.Widget

org.eclipse.swt.widgets.Control

org.eclipse.swt.widgets.Scrollable

org.eclipse.swt.widgets.Composite

org.pentaho.di.ui.spoon.AbstractGraph

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

Direct Known Subclasses:

JobGraph, TransGraph

public abstract class AbstractGraph
extends org.eclipse.swt.widgets.Composite

The beginnings of a common graph object, used by JobGraph and TransGraph to share common behaviors.

Author:

Will Gorman (wgorman@pentaho.com)

Field Summary

Fields

Modifier and Type	Field and Description
protected org.eclipse.swt.widgets.Canvas	canvas
protected org.eclipse.swt.widgets.ScrollBar	hori
protected Point	iconoffset
protected float	magnification
protected Point	noteoffset
protected Point	offset
protected org.eclipse.swt.widgets.ScrollBar	vert
protected org.pentaho.ui.xul.XulDomContainer	xulDomContainer
protected org.eclipse.swt.widgets.Combo	zoomLabel

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

Method Summary

Modifier and Type	Method and Description
void	dispose()
protected <T extends GUIPositionInterface> void	doRightClickSelection(T clicked, List<T> selection)
boolean	forceFocus()
protected Point	getArea()
ChangedWarningInterface	getChangedWarning() Gets the ChangedWarning for the given TabItemInterface class.
protected abstract Point	getOffset()
protected Point	getOffset(Point thumb, Point area)
protected Point	getThumb(Point area, Point transMax)
protected Point	magnifyPoint(Point p)
Point	real2screen(int x, int y)
void	redraw()
Point	screen2real(int x, int y)
boolean	setFocus()
protected void	setZoomLabel()
int	showChangedWarning()
int	showChangedWarning(String fileName) Show the ChangedWarning and return the users selection
int	sign(int n)
void	zoom100Percent()
void	zoomIn()
void	zoomOut()

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

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, 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, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, 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, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setDragDetect, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update

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

Field Detail

offset

protected Point offset

iconoffset

protected Point iconoffset

noteoffset

protected Point noteoffset

vert

protected org.eclipse.swt.widgets.ScrollBar vert

hori

protected org.eclipse.swt.widgets.ScrollBar hori

canvas

protected org.eclipse.swt.widgets.Canvas canvas

magnification

protected float magnification

zoomLabel

protected org.eclipse.swt.widgets.Combo zoomLabel

xulDomContainer

protected org.pentaho.ui.xul.XulDomContainer xulDomContainer

Constructor Detail

AbstractGraph

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

Method Detail

getOffset

protected abstract Point getOffset()

getOffset

protected Point getOffset(Point thumb,
                          Point area)

magnifyPoint

protected Point magnifyPoint(Point p)

getThumb

protected Point getThumb(Point area,
                         Point transMax)

sign

public int sign(int n)

getArea

protected Point getArea()

setZoomLabel

protected void setZoomLabel()

doRightClickSelection

protected <T extends GUIPositionInterface> void doRightClickSelection(T clicked,
                                                                      List<T> selection)

redraw

public void redraw()

Overrides:

redraw in class org.eclipse.swt.widgets.Control

zoomIn

public void zoomIn()

zoomOut

public void zoomOut()

zoom100Percent

public void zoom100Percent()

screen2real

public Point screen2real(int x,
                         int y)

real2screen

public Point real2screen(int x,
                         int y)

setFocus

public boolean setFocus()

Overrides:

setFocus in class org.eclipse.swt.widgets.Composite

forceFocus

public boolean forceFocus()

Overrides:

forceFocus in class org.eclipse.swt.widgets.Control

getChangedWarning

public ChangedWarningInterface getChangedWarning()

Gets the ChangedWarning for the given TabItemInterface class. This should be overridden by a given TabItemInterface class to support the changed warning dialog.

Returns:

ChangedWarningInterface The class that provides the dialog and return value

showChangedWarning

public int showChangedWarning(String fileName)
                       throws KettleException

Show the ChangedWarning and return the users selection

Returns:

int Value of SWT.YES, SWT.NO, SWT.CANCEL

Throws:

KettleException

showChangedWarning

public int showChangedWarning()
                       throws KettleException

Throws:

KettleException

dispose

public void dispose()

Overrides:

dispose in class org.eclipse.swt.widgets.Widget