org.eclipse.scada.ui.chart.viewer.input

Class LineInput

java.lang.Object

AbstractPropertyChange

org.eclipse.scada.ui.chart.viewer.input.AbstractInput

org.eclipse.scada.ui.chart.viewer.input.LineInput

All Implemented Interfaces:

ChartInput, LinePropertiesSupporter

Direct Known Subclasses:

ItemObserver, QueryInput, ScriptInput

public abstract class LineInput
extends AbstractInput
implements LinePropertiesSupporter

Field Summary

Fields inherited from interface org.eclipse.scada.ui.chart.viewer.input.ChartInput

PROP_LABEL, PROP_PREVIEW, PROP_SELECTED_QUALITY, PROP_SELECTED_TIMESTAMP, PROP_SELECTED_VALUE, PROP_STATE, PROP_VISIBLE

Constructor Summary

Constructors

Constructor and Description
LineInput(ResourceManager resourceManager)

Method Summary

Methods

Modifier and Type	Method and Description
void	dispose()
protected void	fireUpdatePreviews()
RGB	getLineColor()
protected abstract AbstractLineRender	getLineRenderer()
float	getLineWidth()
Image	getPreview(int width, int height) Get rendered preview
static Image	makePreview(Display display, LineAttributes lineAttributes, Color lineColor, Point p)
void	setLineColor(RGB rgb)
void	setLineWidth(float width)
void	setVisible(boolean visible)

Methods inherited from class org.eclipse.scada.ui.chart.viewer.input.AbstractInput

attachHover, detachHover, getLabel, getPreview, getSelectedQuality, getSelectedTimestamp, getSelectedValue, handeMouseMove, isVisible, setLabel, setSelectedQuality, setSelectedTimestamp, setSelectedValue, setSelection

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.scada.ui.chart.viewer.input.ChartInput

getState, setSelection, tick

Constructor Detail

LineInput

public LineInput(ResourceManager resourceManager)

Method Detail

dispose

public void dispose()

Specified by:

dispose in interface ChartInput

Overrides:

dispose in class AbstractInput

getLineRenderer

protected abstract AbstractLineRender getLineRenderer()

setVisible

public void setVisible(boolean visible)

Specified by:

setVisible in interface ChartInput

Overrides:

setVisible in class AbstractInput

setLineColor

public void setLineColor(RGB rgb)

Specified by:

setLineColor in interface LinePropertiesSupporter

getLineColor

public RGB getLineColor()

Specified by:

getLineColor in interface LinePropertiesSupporter

setLineWidth

public void setLineWidth(float width)

Specified by:

setLineWidth in interface LinePropertiesSupporter

getLineWidth

public float getLineWidth()

Specified by:

getLineWidth in interface LinePropertiesSupporter

fireUpdatePreviews

protected void fireUpdatePreviews()

Overrides:

fireUpdatePreviews in class AbstractInput

getPreview

public Image getPreview(int width,
               int height)

Description copied from interface: ChartInput

Get rendered preview

The chart input implementation must dispose the created image. If the implementation cannot create the image for the requested size it must return null.

Specified by:

getPreview in interface ChartInput

Parameters:

width - the requested width

height - the requested height

Returns:

the rendered preview or null

makePreview

public static Image makePreview(Display display,
                LineAttributes lineAttributes,
                Color lineColor,
                Point p)