com.extjs.gxt.charts.client
Class Chart

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.extjs.gxt.ui.client.widget.Component
              com.extjs.gxt.ui.client.widget.BoxComponent
                  com.extjs.gxt.ui.client.widget.flash.FlashComponent
                      com.extjs.gxt.charts.client.Chart

All Implemented Interfaces:

Observable, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener

public class Chart
extends FlashComponent

Chart component that uses the Open Flash Chart flash charting library. See http://teethgrinder.co.uk/open-flash-chart-2.

Events:

Ready : ChartEvent(chart)

Fires after the chart is ready.

• chart : this

ChartClick : ChartEvent(chart, chartModel, chartConfig, dataConfig, value)

Fires after a data point is clicked.

• chart : this
• chartModel : the chart model
• dataConfig : the source data config
• value : the value

Nested Class Summary

Nested classes/interfaces inherited from class com.extjs.gxt.ui.client.widget.flash.FlashComponent

FlashComponent.WMode

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Field Summary

static EventType

ChartClick ChartClick event type.

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

Chart(java.lang.String url)
Creates a new chart using the given url.

Method Summary

void	addChartListener(ChartListener listener) Adds a chart listener.
void	delayedRefresh(int delay) Refreshes the chart using the current model data using a delay.
ChartModel	getChartModel() Returns the chart model.
java.lang.String	getJsonData() Returns the OFC API JSON data that the chart is using.
boolean	isLoaded() Returns the true is the chart has loaded correctly and is ready for configuration/updates
void	refresh() Refreshes the chart using the current model data.
void	removeChartListener(ChartListener listener) Removes the chart listener.
void	setChartModel(ChartModel model) Sets the chart model.
void	setJsonData(java.lang.String jsonData) Sets the chart data directly without using a chart model.

Methods inherited from class com.extjs.gxt.ui.client.widget.flash.FlashComponent

getExpressInstall, getFlashVersion, getSwfHeight, getSwfId, getSwfWidth, getWmode, isIeFixEnabled, setExpressInstall, setFlashVersion, setIeFixEnabled, setSwfHeight, setSwfId, setSwfWidth, setWmode

Methods inherited from class com.extjs.gxt.ui.client.widget.BoxComponent

getBounds, getHeight, getHeight, getPosition, getShadow, getShadowOffset, getShadowPosition, getSize, getWidth, getWidth, isAutoHeight, isAutoWidth, isDeferHeight, isShim, setAutoHeight, setAutoWidth, setBounds, setBounds, setDeferHeight, setHeight, setHeight, setPagePosition, setPagePosition, setPixelSize, setPosition, setShadow, setShadowOffset, setShadowPosition, setShim, setSize, setSize, setWidth, setWidth, sync, syncSize

Methods inherited from class com.extjs.gxt.ui.client.widget.Component

addListener, addPlugin, addStyleName, addWidgetListener, clearState, disable, disableEvents, disableTextSelection, el, enable, enableEvents, fireEvent, fireEvent, fireEvent, fly, focus, getBaseStyle, getBorders, getContextMenu, getData, getElement, getHideMode, getId, getItemId, getListeners, getModel, getState, getStateId, getToolTip, hasListeners, hasListeners, hide, hideToolTip, isDisabledEvents, isEnabled, isRendered, isStateful, isVisible, mask, mask, mask, onBrowserEvent, onComponentEvent, recalculate, removeAllListeners, removeFromParent, removeListener, removeStyleName, removeSwallow, removeToolTip, removeWidgetListener, render, render, repaint, saveState, setBorders, setContextMenu, setData, setElement, setEnabled, setHideMode, setId, setIntStyleAttribute, setItemId, setStateful, setStateId, setStyleAttribute, setStyleName, setTitle, setToolTip, setToolTip, setVisible, setZIndex, show, sinkEvents, swallowEvent, swallowEvent, toString, unmask

Methods inherited from class com.google.gwt.user.client.ui.Widget

fireEvent, getParent, isAttached

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getOffsetHeight, getOffsetWidth, getStyleName, getStylePrimaryName, getTitle, isVisible, removeStyleDependentName, setStylePrimaryName, setVisible, unsinkEvents

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

ChartClick

public static final EventType ChartClick

ChartClick event type.

Constructor Detail

Chart

public Chart(java.lang.String url)

Creates a new chart using the given url.

Parameters:

url - the url

Method Detail

addChartListener

public void addChartListener(ChartListener listener)

Adds a chart listener. This listener will only receive events from the chart model and / or all chart configs that have been enabled for events.

Note: Only adding a listener to a chart (with no listeners enabled on the chart model or chart config) will result in no chart events being fired.

Parameters:

listener - the listener

getChartModel

public ChartModel getChartModel()

Returns the chart model.

Returns:

the chart model

getJsonData

public java.lang.String getJsonData()

Returns the OFC API JSON data that the chart is using.

Note: JSON string can be either set directly via setJsonData(String), or constructed dynamically via setChartModel(ChartModel).

Returns:

the json data

isLoaded

public boolean isLoaded()

Returns the true is the chart has loaded correctly and is ready for configuration/updates

Returns:

true if the chart has loaded

delayedRefresh

public void delayedRefresh(int delay)

Refreshes the chart using the current model data using a delay.

Parameters:

delay - the delay in ms

refresh

public void refresh()

Refreshes the chart using the current model data.

removeChartListener

public void removeChartListener(ChartListener listener)

Removes the chart listener.

Parameters:

listener - the listener to be removed

setChartModel

public void setChartModel(ChartModel model)

Sets the chart model.

Parameters:

model - the model

setJsonData

public void setJsonData(java.lang.String jsonData)

Sets the chart data directly without using a chart model.

Parameters:

jsonData - the JSON OFC API data