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

Class ItemObserver

java.lang.Object

AbstractPropertyChange

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

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

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

All Implemented Interfaces:

DataSourceListener, ChartInput, LinePropertiesSupporter

public class ItemObserver
extends LineInput
implements DataSourceListener

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_VISIBLE

Constructor Summary

Constructors

Constructor and Description
ItemObserver(ChartViewer viewer, Item item, Realm realm, XAxis x, YAxis y, ResourceManager resourceManager)

Method Summary

Methods

Modifier and Type	Method and Description
void	connect()
void	disconnect()
void	dispose()
Item	getItem()
protected AbstractLineRender	getLineRenderer()
java.lang.String	getState()
protected void	setSelectedTimestamp(java.util.Date selectedTimestamp)
void	setSelection(boolean state)
void	tick(long now)
void	updateData(DataItemValue value)
protected void	updateState(DataItemValue value)

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

fireUpdatePreviews, getLineColor, getLineWidth, getPreview, makePreview, setLineColor, setLineWidth, setVisible

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemObserver

public ItemObserver(ChartViewer viewer,
            Item item,
            Realm realm,
            XAxis x,
            YAxis y,
            ResourceManager resourceManager)

Method Detail

getLineRenderer

protected AbstractLineRender getLineRenderer()

Specified by:

getLineRenderer in class LineInput

setSelection

public void setSelection(boolean state)

Specified by:

setSelection in interface ChartInput

dispose

public void dispose()

Specified by:

dispose in interface ChartInput

Overrides:

dispose in class LineInput

getItem

public Item getItem()

tick

public void tick(long now)

Specified by:

tick in interface ChartInput

connect

public void connect()

disconnect

public void disconnect()

updateData

public void updateData(DataItemValue value)

Specified by:

updateData in interface DataSourceListener

updateState

protected void updateState(DataItemValue value)

getState

public java.lang.String getState()

Specified by:

getState in interface ChartInput

setSelectedTimestamp

protected void setSelectedTimestamp(java.util.Date selectedTimestamp)

Overrides:

setSelectedTimestamp in class AbstractInput