| 答复: [gef-dev] Help: Error , thread with GEF |
|
Yesterday , I got the same problem when I tried to
generate an animation,
I think multi-thread is not enabled in GEF,
operations must be acted in Display's thread
刘建峰
沈阳东软软件股份有限公司
基础软件事业部
Neusoft Software Co.,Ltd.Dalian
Branch
Tel:0411-84835706
发件人: gef-dev-bounces@xxxxxxxxxxx [mailto:gef-dev-bounces@xxxxxxxxxxx] 代表 ricky 发送时间: 2006年4月29日 7:17 收件人: GEF development 主题: [gef-dev] Help: Error , thread with GEF Can someone help me, if I use Thread, in order
to move the Figure from GEF , but unfortunately with me always return errors, if I Thread with start() start (es is hier unbelievably , wenn with run(), then no problem, but that is not Thread), following errors message: Exception in thread "Thread-5" java.lang.NullPointerException at org.eclipse.draw2d.DeferredUpdateManager.queueWork(DeferredUpdateManager.java:174) at org.eclipse.draw2d.DeferredUpdateManager.addInvalidFigure(DeferredUpdateManager.java:117) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1351) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.revalidate(Figure.java:1353) at org.eclipse.draw2d.Figure.setConstraint(Figure.java:1464) at org.eclipse.gef.editparts.AbstractGraphicalEditPart.setLayoutConstraint(AbstractGraphicalEditPart.java:789) at com.test.subject.parts.ShapePart.refreshVisuals(ShapePart.java:95) at com.test.subject.parts.NodePart.propertyChange(NodePart.java:40) at com.test.subject.parts.ShapePart.propertyChange(ShapePart.java:118) at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source) at java.beans.PropertyChangeSupport.firePropertyChange(Unknown Source) at com.test.subject.model.Element.firePropertyChange(Element.java:21) at com.test.subject.model.StateShape.setName(StateShape.java:66) at com.test.subject.trace.RobotTrace.run(RobotTrace.java:310) at java.lang.Thread.run(Unknown Source) here ist code this method, which I think, error: protected void refreshVisuals() { Rectangle bounds = new Rectangle(getCastedModel().getLocation(), getCastedModel().getSize()); createFigureForModel(); if(getFigure()!=null && ((GraphicalEditPart) getParent())!=null && bounds !=null && this != null) ((GraphicalEditPart) getParent()).setLayoutConstraint(this, getFigure(), bounds); } Confidentiality Notice: The information contained in this e-mail and any accompanying attachment(s) is intended only for the use of the intended recipient and may be confidential and/or privileged of Neusoft Group Ltd., its subsidiaries and/or its affiliates. If any reader of this communication is not the intended recipient, unauthorized use, forwarding, printing, storing, disclosure or copying is strictly prohibited, and may be unlawful. If you have received this communication in error, please immediately notify the sender by return e-mail, and delete the original message and all copies from your system. Thank you. |