Zoom links throw an exception when overview panel is hidden

[GoogleCodeExporter]

What steps will reproduce the problem?
1. create a chart and set plot.setOverviewEnabled(false);
2. in the browser, click one of the zoom links.

Stack trace:

12:47:44.047 [ERROR] [timelineDemo] Uncaught exception escaped
java.lang.NullPointerException: null
    at org.timepedia.chronoscope.client.browser.event.AbstractEventHandler.getComponent(AbstractEventHandler.java:83)
    at org.timepedia.chronoscope.client.browser.event.ChartMouseDownHandler.onMouseDown(ChartMouseDownHandler.java:34)
    at com.google.gwt.event.dom.client.MouseDownEvent.dispatch(MouseDownEvent.java:54)
    at com.google.gwt.event.dom.client.MouseDownEvent.dispatch(MouseDownEvent.java:1)
    at com.google.gwt.event.shared.HandlerManager$HandlerRegistry.fireEvent(HandlerManager.java:65)
    at com.google.gwt.event.shared.HandlerManager$HandlerRegistry.access$1(HandlerManager.java:53)
    at com.google.gwt.event.shared.HandlerManager.fireEvent(HandlerManager.java:178)
    at org.timepedia.chronoscope.client.browser.ChartEventHandler.fireEvent(ChartEventHandler.java:115)
    at com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:116)
    at com.google.gwt.event.dom.client.DomEvent.fireNativeEvent(DomEvent.java:91)
    at org.timepedia.chronoscope.client.browser.ChartEventHandler.handleChartEvent(ChartEventHandler.java:94)
    at org.timepedia.chronoscope.client.browser.PlotPanel.onBrowserEvent(PlotPanel.java:140)
    at com.google.gwt.user.client.ui.Composite.onBrowserEvent(Composite.java:54)
    at com.google.gwt.user.client.DOM.dispatchEventImpl(DOM.java:1307)
    at com.google.gwt.user.client.DOM.dispatchEvent(DOM.java:1263)
    at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
    at com.google.gwt.dev.shell.BrowserChannel.reactToMessagesWhileWaitingForReturn(BrowserChannel.java:1714)
    at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:165)
    at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:120)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:507)
    at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:264)
    at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
    at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
    at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
    at sun.reflect.GeneratedMethodAccessor23.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
    at com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
    at com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:157)
    at com.google.gwt.dev.shell.BrowserChannel.reactToMessages(BrowserChannel.java:1669)
    at com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:401)
    at com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:222)
    at java.lang.Thread.run(Thread.java:619)

Original issue reported on code.google.com by tom...@gmail.com on 22 Sep 2010 at 10:52

[GoogleCodeExporter]

More generally, any mouse down not happening directly over the data area will 
throw this exception.

Original comment by tom...@gmail.com on 22 Sep 2010 at 4:30

[GoogleCodeExporter]

This issue was closed by revision r1264.

Original comment by manuel.carrasco.m on 24 Oct 2010 at 8:30

• Changed state: Fixed

[GoogleCodeExporter]

Thx for reporting
- Manolo

Original comment by manuel.carrasco.m on 24 Oct 2010 at 8:32