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Class jclass.chart.JCChartArea

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Canvas
                   |
                   +----jclass.bwt.JCComponent
                           |
                           +----jclass.chart.ChartCanvas
                                   |
                                   +----jclass.chart.JCChartArea

public class JCChartArea

extends ChartCanvas

JCChartArea()

Constructs a chart area for the provided chart.

getAngleUnit()

Gets the value of the AngleUnit property.

getAxisBoundingBox()

Gets the value of the AxisBoundingBox property.

getChanged()

Gets the value of the Changed property.

getDepth()

Gets the Depth property, which controls the apparent depth of a graph.

getElevation()

Gets the Elevation property, which controls distance from the x axis.

getFastAction()

Gets the value of the FastAction property.

getHorizActionAxis()

Gets the value of the HorizActionAxis property.

getMarker(int)

Gets a single value from the Markers property.

getMarkers()

Gets the value of the Markers property.

getPlotArea()

Gets the value of the PlotArea property.

getReentrance()

getRotation()

Gets the Rotation property, which controls the position of the eye relative to the y axis.

getVertActionAxis()

Gets the value of the VertActionAxis property.

getXAxis()

Gets the value of the XAxis property.

getXAxis(int)

Gets the value of the XAxis property at a specified index.

getYAxis()

Gets the value of the YAxis property.

getYAxis(int)

Gets the value of the YAxis property at a specified index.

isDirty()

Determines if the data is "dirty" (ie the data has changed since the last redisplay).

keyDown(Event, int)

ChartArea processes key events in order to reset the view when "r" is hit.

layoutChartArea()

Positions axes and calculates the true plot area size based on the position of the axes.

minimumSize()

Returns the minimum size for the chart area.

mouseDown(Event, int, int)

ChartArea processes mouseDown events by creating the appropriate handler based on the modifier, then calling the handler's start method

mouseDrag(Event, int, int)

ChartArea processes mouseDrag events in order to show a rubber band rectangle around a possible zoom area.

mouseUp(Event, int, int)

ChartArea processes mouseUp events by calling the end method in the current action handler.

paintComponent(Graphics)

Responsible for rendering the JCChartArea contents.

preferredSize()

Returns the preferred size for the chart area.

recalc()

If necessary, forces recalculation of the chart area.

repaint()

Need to avoid repaint if super.reshape() called.

reshape(int, int, int, int)

An overridden reshape() method, which makes sure that the Changed property is set and that a recalc occurs as a result of the reshape.

setAngleUnit(int)

Sets the value of the AngleUnit property.

setAxisBoundingBox(boolean)

Sets the value of the AxisBoundingBox property.

setChanged(boolean)

Sets the value of the Changed property.

setDepth(int)

Sets the Depth property, which controls the apparent depth of a graph.

setElevation(int)

Sets the Elevation property, which controls distance from the x axis.

setFastAction(boolean)

Sets the value of the FastAction property.

setHorizActionAxis(JCAxis)

Sets the value of the HorizActionAxis property.

setReentrance(boolean)

setRotation(int)

Sets the Rotation property, which controls the position of the eye relative to the y axis.

setVertActionAxis(JCAxis)

Sets the value of the VertActionAxis property.

setXAxis(int, JCAxis)

Sets the value of the XAxis property at a specified index.

setXAxis(JCAxis[])

Sets the value of the XAxis property.

setYAxis(int, JCAxis)

Sets the value of the YAxis property at a specified index.

setYAxis(JCAxis[])

Sets the value of the YAxis property.

 public JCChartArea()

Constructs a chart area for the provided chart.

 public int getAngleUnit()

Gets the value of the AngleUnit property. The AngleUnit property determines the unit of all angle values in this chart area. One of DEGREES, RADIANS or GRADS.

 public synchronized void setAngleUnit(int unit)

Sets the value of the AngleUnit property. The AngleUnit property determines the unit of all angle values in this chart area. One of DEGREES, RADIANS or GRADS.

Parameters:

unit - unit value

Throws: IllegalArgumentException

If the unit isn't one of DEGREES, RADIANS or GRADS.

 public JCMarker[] getMarkers()

Gets the value of the Markers property. The Markers property is an indexed property that controls the markers that appear on a particular JCChartArea instance. JCChartArea will pre-allocate an array of JCMarkers. Initially, the markers will have their axis and series properties set to null, so the markers will not appear.

Returns:

array of JCMarker instances

 public JCMarker getMarker(int index)

Gets a single value from the Markers property. The Markers property is an indexed property that controls the markers that appear on a particular JCChartArea instance. JCChartArea will pre-allocate an array of JCMarkers. Initially, the markers will have their axis and series properties set to null, so the markers will not appear.

Parameters:

index - index of JCMarker instance

Returns:

JCMarker instance

 public JCAxis getXAxis(int index)

Gets the value of the XAxis property at a specified index. The XAxis property is an indexed property, and contains all the x axes for the chart area.

Parameters:

index - index of the JCAxis object

Returns:

JCAxis object at the specified index

 public synchronized void setXAxis(int index,
                                   JCAxis ax)

Sets the value of the XAxis property at a specified index. The XAxis property is an indexed property, and contains all the x axes for the chart area.

Parameters:

index - index of the JCAxis object

ax - JCAxis object to place at the specified index

Throws: IllegalArgumentException

If the index does not address a valid x axis object.

 public synchronized void setXAxis(JCAxis ax[])

Sets the value of the XAxis property. The XAxis property is an indexed property, and contains all the x axes for the chart area.

Parameters:

ax - Array of JCAxis objects to be used for the x axies.

 public JCAxis[] getXAxis()

Gets the value of the XAxis property. The XAxis property is an indexed property, and contains all the x axes for the chart area.

Returns:

Array of JCAxis objects to be used for the x axies.

 public JCAxis getYAxis(int index)

Gets the value of the YAxis property at a specified index. The YAxis property is an indexed property, and contains all the y axes for the chart area.

Parameters:

index - index of the JCAxis object

Returns:

JCAxis object at the specified index

 public synchronized void setYAxis(int index,
                                   JCAxis ax)

Sets the value of the YAxis property at a specified index. The YAxis property is an indexed property, and contains all the y axes for the chart area.

Parameters:

index - index of the JCAxis object

ax - JCAxis object to place at the specified index

Throws: IllegalArgumentException

If the index does not address a valid y axis object.

 public synchronized void setYAxis(JCAxis ax[])

Sets the value of the YAxis property. The YAxis property is an indexed property, and contains all the y axes for the chart area.

Parameters:

ax - Array of JCAxis objects to be used for the y axes.

 public JCAxis[] getYAxis()

Gets the value of the YAxis property. The YAxis property is an indexed property, and contains all the y axes for the chart area.

Returns:

Array of JCAxis objects to be used for the y axes.

 public synchronized void setHorizActionAxis(JCAxis ax)

Sets the value of the HorizActionAxis property. The HorizActionAxis property determines the axis used for actions (zooming, translating) in the horizontal direction.

Parameters:

ax - JCAxis object to use for chart actions in the horizontal direction.

Throws: IllegalArgumentException

If the provided axis is vertical or if it isn't in the list of x or y axes.

 public JCAxis getHorizActionAxis()

Gets the value of the HorizActionAxis property. The HorizActionAxis property determines the axis used for actions (zooming, translating) in the horizontal direction.

Returns:

JCAxis object to use for chart actions in the horizontal direction.

 public synchronized void setVertActionAxis(JCAxis ax)

Sets the value of the VertActionAxis property. The VertActionAxis property determines the axis used for actions (zooming, translating) in the vertical direction.

Parameters:

ax - JCAxis object to use for chart actions in the vertical direction.

Throws: IllegalArgumentException

If the provided axis is horizontal or if it isn't in the list of x or y axes.

 public JCAxis getVertActionAxis()

Gets the value of the VertActionAxis property. The VertActionAxis property determines the axis used for actions (zooming, translating) in the horizontal direction.

Returns:

JCAxis object to use for chart actions in the vertical direction.

 public synchronized void setAxisBoundingBox(boolean bb)

Sets the value of the AxisBoundingBox property. The AxisBoundingBox property determines whether a box is drawn around the area bound by the inner axes.

Parameters:

bb - If true, bounding box is drawn. Otherwise, box is not drawn.

 public boolean getAxisBoundingBox()

Gets the value of the AxisBoundingBox property. The AxisBoundingBox property determines whether a box is drawn around the area bound by the inner axes.

Returns:

If true, bounding box is drawn. Otherwise, box is not drawn.

 public boolean getFastAction()

Gets the value of the FastAction property. The FastAction property determines whether chart actions will use an optimized mode in which it does not bother to display axis annotations or gridlines.

Returns:

true if grid lines and axis annotations will be absent during the action, false otherwise.

 public synchronized void setFastAction(boolean fr)

Sets the value of the FastAction property. The FastAction property determines whether chart actions will use an optimized mode in which it does not bother to display axis annotations or gridlines.

Parameters:

fr - true if grid lines and axis annotations will be absent during the action, false otherwise.

 public int getDepth()

Gets the Depth property, which controls the apparent depth of a graph.

Returns:

the depth as a percentage of the width

 public synchronized void setDepth(int newDepth)

Sets the Depth property, which controls the apparent depth of a graph.

Parameters:

NewDepth - the depth as a percentage of the width

 public int getElevation()

Gets the Elevation property, which controls distance from the x axis.

Returns:

the number of degrees above the X axis

 public synchronized void setElevation(int newElevation)

Sets the Elevation property, which controls distance from the x axis.

Parameters:

NewElevation - the number of degrees above the X axis

 public int getRotation()

Gets the Rotation property, which controls the position of the eye relative to the y axis.

Returns:

the number of degrees to the right of the y axis

 public synchronized void setRotation(int newRotation)

Sets the Rotation property, which controls the position of the eye relative to the y axis.

Parameters:

NewRotation - the number of degrees to the right of the y axis

 public boolean getChanged()

Gets the value of the Changed property. The Changed property determines whether the chart area requires a recalculation.

Overrides:

getChanged in class ChartCanvas

 public void setReentrance(boolean nv)

 public boolean getReentrance()

 public void setChanged(boolean n)

Sets the value of the Changed property. The Changed property determines whether the chart area requires a recalculation.

Overrides:

setChanged in class ChartCanvas

 public PlotArea getPlotArea()

Gets the value of the PlotArea property. The PlotArea property is a ChartRegion object that models the plot area margins around

 public synchronized void paintComponent(Graphics gc)

Responsible for rendering the JCChartArea contents.

Parameters:

gc - graphics context used for drawing

Overrides:

paintComponent in class ChartCanvas

 public Dimension preferredSize()

Returns the preferred size for the chart area.

Overrides:

preferredSize in class ChartCanvas

 public Dimension minimumSize()

Returns the minimum size for the chart area.

Overrides:

minimumSize in class ChartCanvas

 public void recalc()

If necessary, forces recalculation of the chart area.

Overrides:

recalc in class ChartCanvas

 public void layoutChartArea()

Positions axes and calculates the true plot area size based on the position of the axes.

 public boolean isDirty()

Determines if the data is "dirty" (ie the data has changed since the last redisplay).

Returns:

if true, the data has changed. If false, the data has not changed. Takes all ChartDataView objects into account.

 public void reshape(int x,
                     int y,
                     int w,
                     int h)

An overridden reshape() method, which makes sure that the Changed property is set and that a recalc occurs as a result of the reshape.

Overrides:

reshape in class ChartCanvas

 public void repaint()

Need to avoid repaint if super.reshape() called.

Overrides:

repaint in class ChartCanvas

 public boolean mouseDrag(Event evt,
                          int x,
                          int y)

ChartArea processes mouseDrag events in order to show a rubber band rectangle around a possible zoom area.

Overrides:

mouseDrag in class Component

 public boolean mouseDown(Event evt,
                          int x,
                          int y)

ChartArea processes mouseDown events by creating the appropriate handler based on the modifier, then calling the handler's start method

Overrides:

mouseDown in class JCComponent

 public boolean mouseUp(Event evt,
                        int x,
                        int y)

ChartArea processes mouseUp events by calling the end method in the current action handler.

Overrides:

mouseUp in class Component

 public boolean keyDown(Event evt,
                        int key)

ChartArea processes key events in order to reset the view when "r" is hit.

Overrides:

keyDown in class Component

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