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https://issues.apache.org/jira/browse/PIVOT-888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554860#comment-13554860
]
Karel Hübl commented on PIVOT-888:
----------------------------------
Here is trace from compiled trunk (revision 1433836):
java.lang.NullPointerException
at org.apache.pivot.wtk.TextArea.access$500(TextArea.java:38)
at org.apache.pivot.wtk.TextArea$Paragraph.insertText(TextArea.java:121)
at org.apache.pivot.wtk.TextArea.insertText(TextArea.java:816)
at org.apache.pivot.wtk.TextArea.insertText(TextArea.java:764)
at
org.apache.pivot.wtk.skin.TextAreaSkin.keyTyped(TextAreaSkin.java:945)
at
org.apache.pivot.wtk.Component$ComponentKeyListenerList.keyTyped(Component.java:533)
at org.apache.pivot.wtk.Component.keyTyped(Component.java:2839)
at
org.apache.pivot.wtk.ApplicationContext$DisplayHost.processKeyEvent(ApplicationContext.java:1400)
at java.awt.Component.processEvent(Component.java:6044)
at
org.apache.pivot.wtk.ApplicationContext$DisplayHost.processEvent(ApplicationContext.java:793)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Component.dispatchEvent(Component.java:4460)
at
java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
at
java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
at
java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
at
java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
at
java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
at java.awt.Component.dispatchEventImpl(Component.java:4502)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
> Nullpointer Exception while editing TextArea with text property two-way
> bounded
> -------------------------------------------------------------------------------
>
> Key: PIVOT-888
> URL: https://issues.apache.org/jira/browse/PIVOT-888
> Project: Pivot
> Issue Type: Bug
> Components: wtk
> Affects Versions: 2.0.2
> Reporter: Karel Hübl
> Assignee: Roger Whitcomb
> Priority: Trivial
> Fix For: 2.0.3
>
>
> I am getting NullPointer exception trace printed to System.out when I edit
> TextArea, which text property is two-way data bounded.
> The issue is fixed when I extend TextArea and override the setText mehtod to
> do nothing, if the text equals to current text value:
> Fixed class:
> public class TwoWayBindableTextArea extends TextArea {
> public void setText(String text) {
> if (text != null && text.equals(this.getText())) {
> return;
> }
> super.setText(text);
> }
> }
> Problematic bxml:
> <Form styles="{padding:5}"
> xmlns="org.apache.pivot.wtk"
> xmlns:view="com.dirigent.gui.component"
> xmlns:bxml="http://pivot.apache.org/bxml"; width="300" height="200">
> <Form.Section>
> <TextInput bxml:id="textInput" text="${textArea.text}"/>
> <Border>
> <FillPane minimumWidth="300" minimumHeight="100">
> <!--<view:TwoWayBindableTextArea bxml:id="textArea"
> text="${textInput.text}"/>-->
> <TextArea bxml:id="textArea" text="${textInput.text}"/>
> </FillPane>
> </Border>
> </Form.Section>
> </Form>
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