Hi Scott,
Did this ever get answered? Is the issue reproducible on the latest 8 builds?
Thanks
Richard
On May 8, 2013, at 7:10 AM, Scott Palmer <swpal...@gmail.com> wrote:
> JavaFX 2.2.21-b11
> I have a TextField where I have set the skin to the following:
>
> private static class MyEditorSkin extends TextFieldSkin {
>
> public MyEditorSkin (TextField tf) {
> super(tf);
> }
>
> public MyEditorSkin (TextField tf, TextFieldBehavior tfb) {
> super(tf, tfb);
> }
>
> public FontMetrics getFontMetrics() {
> return fontMetrics.getValue();
> }
> }
>
> e.g. myTextField.setSkin(new MyEditorSkin(myTextField));
>
> Elsewhere in my code I do:
> Skin<?> skin = tf.getSkin();
> if (skin instanceof MyEditorSkin) {
> FontMetrics fm = ((MyEditorSkin) skin).getFontMetrics();
> ...
>
> This was the only way I could see to get at the Font metrics used in a
> TextField. (I need to position some popups near the caret and using the
> public methods to get the caret position in characters combined with
> finding the width of the preceding characters seemed to be the simplest
> way.)
>
> Anyway.. my code has been working fine, but I just got a new style-sheet
> from our graphic designer and when I use the new CSS suddenly the TextField
> is throwing the following exception and I can't move the caret with the
> cursor keys or type properly in it.
>
> Exception in thread "JavaFX Application Thread"
> java.lang.NullPointerException
> at
> com.sun.javafx.scene.control.skin.TextInputControlSkin.setCaretAnimating(TextInputControlSkin.java:585)
> at
> com.sun.javafx.scene.control.behavior.TextFieldBehavior.setCaretAnimating(TextFieldBehavior.java:164)
> at
> com.sun.javafx.scene.control.behavior.TextInputControlBehavior.callAction(TextInputControlBehavior.java:124)
> at
> com.sun.javafx.scene.control.behavior.BehaviorBase.callActionForEvent(BehaviorBase.java:157)
> at
> com.sun.javafx.scene.control.behavior.TextInputControlBehavior.callActionForEvent(TextInputControlBehavior.java:117)
> at
> com.sun.javafx.scene.control.behavior.BehaviorBase$1.handle(BehaviorBase.java:121)
> at
> com.sun.javafx.scene.control.behavior.BehaviorBase$1.handle(BehaviorBase.java:119)
> at
> com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:64)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:217)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:170)
> at
> com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:38)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:37)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:35)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:92)
> at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:53)
> at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:28)
> at javafx.event.Event.fireEvent(Event.java:171)
> at javafx.scene.Scene$KeyHandler.process(Scene.java:3513)
> at javafx.scene.Scene$KeyHandler.access$2300(Scene.java:3472)
> at javafx.scene.Scene.impl_processKeyEvent(Scene.java:1904)
> at javafx.scene.Scene$ScenePeerListener.keyEvent(Scene.java:2270)
> ...
> Also happens on focus gained.
>
> Looking at that line of source it seems that the only thing that could be
> null is the caretTimeline. But the caret is blinking away happily. I
> search the code and it seems the only way the caretTimeline can become null
> is if dispose() is called on the TextInputControlSkin. I don't understand
> when this would happen or how different CSS that does little more than set
> colours and backgrounds and borders would affect it.
>
> I'm not sure if I'm doing something wrong or if this warrants a bug report.
>
> In JavaFX 8.0.0-ea-b87 it is worse.. I can't even show the Scene with my
> control without getting the following:
>
> Exception in thread "JavaFX Application Thread"
> java.lang.NullPointerException
> at com.sun.javafx.css.StyleCacheEntry.put(StyleCacheEntry.java:82)
> at
> javafx.scene.CssStyleHelper.transitionToState(CssStyleHelper.java:784)
> at javafx.scene.Node.impl_processCSS(Node.java:8541)
> at javafx.scene.Parent.impl_processCSS(Parent.java:1191)
> at javafx.scene.Parent.impl_processCSS(Parent.java:1191)
> at javafx.scene.control.Control.impl_processCSS(Control.java:861)
> at javafx.scene.Parent.impl_processCSS(Parent.java:1191)
> at javafx.scene.Parent.impl_processCSS(Parent.java:1191)
> at javafx.scene.Parent.impl_processCSS(Parent.java:1191)
> at javafx.scene.Node.processCSS(Node.java:8443)
> at javafx.scene.Scene.doCSSPass(Scene.java:512)
> at javafx.scene.Scene.preferredSize(Scene.java:1498)
> at javafx.scene.Scene.impl_preferredSize(Scene.java:1565)
> at javafx.stage.Window$9.invalidated(Window.java:761)
> at
> javafx.beans.property.BooleanPropertyBase.markInvalid(BooleanPropertyBase.java:107)
> at
> javafx.beans.property.BooleanPropertyBase.set(BooleanPropertyBase.java:141)
> at javafx.stage.Window.setShowing(Window.java:827)
> at javafx.stage.Window.show(Window.java:842)
> at javafx.stage.Stage.show(Stage.java:242)
> at javafx.stage.Stage.showAndWait(Stage.java:408)
> at
> ca.digitalrapids.kayak.gui.javafx.exp.SimplifiedExpressionEditor.showExpressionEditor(SimplifiedExpressionEditor.java:179)
> at
> ca.digitalrapids.kayak.gui.pluggable.impl.javafx.PropertyContextMenuFactory$8.handle(PropertyContextMenuFactory.java:200)
> at
> ca.digitalrapids.kayak.gui.pluggable.impl.javafx.PropertyContextMenuFactory$8.handle(PropertyContextMenuFactory.java:194)
> at
> com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:113)
> at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
> at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
> at javafx.event.Event.fireEvent(Event.java:202)
> at javafx.scene.control.MenuItem.fire(MenuItem.java:460)
> at
> com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1341)
> at
> com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1316)
> at
> com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer$7.handle(ContextMenuContent.java:1284)
> at
> com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer$7.handle(ContextMenuContent.java:1282)
> at
> com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
> at
> com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
> at
> com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:113)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:113)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:113)
> at
> com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
> at
> com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:113)
> at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
> at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
> at javafx.event.Event.fireEvent(Event.java:202)
> at javafx.scene.Scene$MouseHandler.process(Scene.java:3551)
> at javafx.scene.Scene$MouseHandler.process(Scene.java:3382)
> at javafx.scene.Scene$MouseHandler.access$1800(Scene.java:3334)
> at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1612)
> at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2402)
> at
> com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:312)
> at
> com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:237)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:354)
> at com.sun.glass.ui.View.handleMouseEvent(View.java:519)
> at com.sun.glass.ui.View.notifyMouse(View.java:882)
> at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
> at
> com.sun.glass.ui.win.WinApplication.access$300(WinApplication.java:39)
> at
> com.sun.glass.ui.win.WinApplication$3$1.run(WinApplication.java:101)
> at java.lang.Thread.run(Thread.java:724)
> java.lang.NullPointerException
> at
> com.sun.javafx.scene.control.skin.TextFieldSkin.updateSelection(TextFieldSkin.java:404)
> at
> com.sun.javafx.scene.control.skin.TextFieldSkin.access$200(TextFieldSkin.java:66)
> at
> com.sun.javafx.scene.control.skin.TextFieldSkin$6.invalidated(TextFieldSkin.java:208)
> at
> com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:339)
> at
> com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
> at
> javafx.beans.property.ReadOnlyObjectWrapper$ReadOnlyPropertyImpl.fireValueChangedEvent(ReadOnlyObjectWrapper.java:175)
> at
> javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:141)
> at
> javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:110)
> at
> javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:143)
> at
> javafx.scene.control.TextInputControl.selectRange(TextInputControl.java:870)
> at
> com.sun.javafx.scene.control.behavior.TextFieldBehavior.handleFocusChange(TextFieldBehavior.java:128)
> at
> com.sun.javafx.scene.control.behavior.TextFieldBehavior.access$000(TextFieldBehavior.java:65)
> at
> com.sun.javafx.scene.control.behavior.TextFieldBehavior$1.changed(TextFieldBehavior.java:84)
> at
> com.sun.javafx.scene.control.behavior.TextFieldBehavior$1.changed(TextFieldBehavior.java:81)
> at
> com.sun.javafx.binding.ExpressionHelper$Generic.fireValueChangedEvent(ExpressionHelper.java:347)
> at
> com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:80)
> at
> javafx.beans.property.ReadOnlyBooleanPropertyBase.fireValueChangedEvent(ReadOnlyBooleanPropertyBase.java:71)
> at javafx.scene.Node$FocusedProperty.notifyListeners(Node.java:7233)
> at javafx.scene.Scene$13.invalidated(Scene.java:2004)
> at
> javafx.beans.property.ObjectPropertyBase.markInvalid(ObjectPropertyBase.java:109)
> at
> javafx.beans.property.ObjectPropertyBase.set(ObjectPropertyBase.java:143)
> at javafx.scene.Scene$KeyHandler.setFocusOwner(Scene.java:3700)
> at javafx.scene.Scene$KeyHandler.requestFocus(Scene.java:3746)
> at javafx.scene.Scene$KeyHandler.access$2200(Scene.java:3698)
> at javafx.scene.Scene.requestFocus(Scene.java:1973)
> at javafx.scene.Node.requestFocus(Node.java:7394)
> at
> com.sun.javafx.scene.traversal.TraversalEngine.getTopLeftFocusableNode(TraversalEngine.java:156)
> at javafx.scene.Scene.focusInitial(Scene.java:1926)
> at javafx.scene.Scene.access$3400(Scene.java:187)
> at
> javafx.scene.Scene$ScenePulseListener.focusCleanup(Scene.java:2278)
> at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2351)
> at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:358)
> at
> com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:560)
> at
> com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:540)
> at
> com.sun.javafx.tk.quantum.QuantumToolkit$15.run(QuantumToolkit.java:425)
> at
> com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:94)
> at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
> at
> com.sun.glass.ui.win.WinApplication.access$300(WinApplication.java:39)
> at
> com.sun.glass.ui.win.WinApplication$3$1.run(WinApplication.java:101)
> at java.lang.Thread.run(Thread.java:724)
>
> (And the CSS isn't working properly for other things like the background of
> menus)
>
> But with the default CSS it does work perfectly.
>
> Given that Skins are not really part of the public API, I don't know if I
> should expect this to work or not.
>
> Scott
