OnMouseClicked event with overlapping custom nodes

I'm having a bit of an issue with overlapping nodes.
Essentially what I have are rectangular shaped custom nodes which, when an onMouseEntered event occurs, has an extended set of icons that fade in that are located on the above top right portion of the node. If I may use ASCII to illustrate :)
X
[ MyCustomNode ]
+(Blank spaces don't work too well so let's pretend the X is sitting on top of the node on the upper left corner)+
The X is an icon that simply deletes the node.
The problem occurs when the nodes are overlapping (i.e. one above the other, where the X icon is overlapping with the node above it). When I click on the X, the onMouseClicked event fires for the node above.
I've tried mucking around with disabling the node and using toFront() and toBack() as well, but no luck.
Now that I think about it (I'm sure this is related), I've noticed issues with text/labels interfering with the "click-ability" of an object that it is overlapping. Since the text generally occupies little pixels in terms of the width of the actual text, it just seems to only sometimes interfere with onMouseClicked events - if you click on the right spot that is. If you disable the node, do the pixels the text/label occupy become "dead"? as in that space cannot be used to initiate the onMouseClicked event of an object behind the text? Make sense?
Any ideas?

I've put up a picture for your reference: [http://imagebin.ca/view/Lj9C7q.html]
How it works is that each node can be clicked on, thus increasing its opacity to 1.0. Once "selected" there is a mouse enter/exit event for that particular node which allows the X icon to fade in/out to delete the node.
What's happening is that if you click on the X of the selected node, the node directly above (1432-1481) is being selected, although the deletion of the original node works fine.
Also the onMouseEnter event is firing for the "1432-1481" node if you hover over the X. As you can tell in the screenshot, the opacity is increased if you hover over an unselected node. You can see that the "1432-1481" is slightly brighter than the other nodes above it. Obviously the cursor is missing from the screenshot but it should make sense.

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What is the recommended way to handle mouse click events for custom nodes that subclass Panes?

Hi,
I have created a custom node that is a StackPane containing a Label on top of a Polygon.
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Polygon;
public class CustomHexagon extends StackPane {
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I want to display a tesselation of these custom hexagons. Because a CustomHexagon is a StackPane, not a Polygon, MouseClick events can be picked up when the mouse is clicked outside of the stroke of the hexagon but still within the StackPane (which takes up a rectangle larger than the hexagon). The following program demonstrates this.
public class Main extends Application {
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            new CustomHexagon( "00", 10.0, 10.0, 30.0, 10.0, 40.0, 27.3205080756, 30.0, 44.6410161512, 10.0, 44.6410161512, 0.0, 27.3205080756 ),
            new CustomHexagon( "01", 70.0, 10.0, 90.0, 10.0, 100.0, 27.3205080756, 90.0, 44.6410161512, 70.0, 44.6410161512, 60.0, 27.3205080756 ),
            new CustomHexagon( "02", 130.0, 10.0, 150.0, 10.0, 160.0, 27.3205080756, 150.0, 44.6410161512, 130.0, 44.6410161512, 120.0, 27.3205080756 ),
            new CustomHexagon( "03", 190.0, 10.0, 210.0, 10.0, 220.0, 27.3205080756, 210.0, 44.6410161512, 190.0, 44.6410161512, 180.0, 27.3205080756 ),
            new CustomHexagon( "04", 250.0, 10.0, 270.0, 10.0, 280.0, 27.3205080756, 270.0, 44.6410161512, 250.0, 44.6410161512, 240.0, 27.3205080756 ),
            new CustomHexagon( "10", 40.0, 27.3205080756, 60.0, 27.3205080756, 70.0, 44.6410161512, 60.0, 61.961524226799995, 40.0, 61.961524226799995, 30.0, 44.6410161512 ),
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            new CustomHexagon( "12", 160.0, 27.3205080756, 180.0, 27.3205080756, 190.0, 44.6410161512, 180.0, 61.961524226799995, 160.0, 61.961524226799995, 150.0, 44.6410161512 ),
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            new CustomHexagon( "30", 40.0, 61.961524226799995, 60.0, 61.961524226799995, 70.0, 79.2820323024, 60.0, 96.602540378, 40.0, 96.602540378, 30.0, 79.2820323024 ),
            new CustomHexagon( "31", 100.0, 61.961524226799995, 120.0, 61.961524226799995, 130.0, 79.2820323024, 120.0, 96.602540378, 100.0, 96.602540378, 90.0, 79.2820323024 ),
            new CustomHexagon( "32", 160.0, 61.961524226799995, 180.0, 61.961524226799995, 190.0, 79.2820323024, 180.0, 96.602540378, 160.0, 96.602540378, 150.0, 79.2820323024 ),
            new CustomHexagon( "33", 220.0, 61.961524226799995, 240.0, 61.961524226799995, 250.0, 79.2820323024, 240.0, 96.602540378, 220.0, 96.602540378, 210.0, 79.2820323024 ),
            new CustomHexagon( "34", 280.0, 61.961524226799995, 300.0, 61.961524226799995, 310.0, 79.2820323024, 300.0, 96.602540378, 280.0, 96.602540378, 270.0, 79.2820323024 ),
            new CustomHexagon( "40", 10.0, 79.2820323024, 30.0, 79.2820323024, 40.0, 96.602540378, 30.0, 113.9230484536, 10.0, 113.9230484536, 0.0, 96.602540378 ),
            new CustomHexagon( "41", 70.0, 79.2820323024, 90.0, 79.2820323024, 100.0, 96.602540378, 90.0, 113.9230484536, 70.0, 113.9230484536, 60.0, 96.602540378 ),
            new CustomHexagon( "42", 130.0, 79.2820323024, 150.0, 79.2820323024, 160.0, 96.602540378, 150.0, 113.9230484536, 130.0, 113.9230484536, 120.0, 96.602540378 ),
            new CustomHexagon( "43", 190.0, 79.2820323024, 210.0, 79.2820323024, 220.0, 96.602540378, 210.0, 113.9230484536, 190.0, 113.9230484536, 180.0, 96.602540378 ),
            new CustomHexagon( "44", 250.0, 79.2820323024, 270.0, 79.2820323024, 280.0, 96.602540378, 270.0, 113.9230484536, 250.0, 113.9230484536, 240.0, 96.602540378 )
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            public void handle(MouseEvent t) {
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                System.out.println( h.getOverlayText() );
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        Scene scene = new Scene(root, 400, 400);
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    public static void main(String[] args) {
        launch(args);
After running this program, when one clicks within the intersection of two StackPanes (borders shown by dashed lines), the target of the mouse click event will be the StackPane on top as determined by the order in which they were added to their parent.
This is a problem because there is only a small "T" shaped area within each hexagon that when clicked will target that hexagon with an event, rather than adjacent nodes.
I would appreciate any reccomendations to solve this problem.
Thanks,
James Giller

Hello, this is an evergreen. Just call setPickOnBounds(false) on the CustomHexagon.
An issue tracking this problem is open here: https://javafx-jira.kenai.com/browse/RT-17024

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'''Try Firefox Safe Mode''' to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.
''(If you're not using it, switch to the Default theme.)''
* On Windows you can open Firefox 4.0+ in Safe Mode by holding the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac you can open Firefox 4.0+ in Safe Mode by holding the '''option''' key while starting Firefox.
* On Linux you can open Firefox 4.0+ in Safe Mode by quitting Firefox and then going to your Terminal and running: firefox -safe-mode (you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
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[[Image:FirefoxSafeMode|width=520]]
''Once you get the pop-up, just select "'Start in Safe Mode"''
[[Image:Safe Mode Fx 15 - Win]]
'''''If the issue is not present in Firefox Safe Mode''''', your problem is probably caused by an extension, and you need to figure out which one. Please follow the [[Troubleshooting extensions and themes]] article for that.
''To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
''When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.''
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I would like to create the more properly as possible a Custom Event with multiple EventTypes, like the MouseEvent typicaly.
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Hi,
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[email protected] Guys for your responses.The issue is with the return traffic of customer having overlapping IP addresses.Does anyone have a reference to design and configuration document which would cover this requirement, may be using NAT?Cheers,Ahmed Shahzad Think green - keep it on the screen.This e-mail and any attachment is for authorised use by the intended recipient(s) only. It may contain proprietary material, confidential information and/or be subject to legal privilege. It should not be copied, disclosed to, retained or used by, any other party. If you are not an intended recipient then please promptly delete this e-mail and any attachment and all copies and inform the sender. Thank you.
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OnMouseClicked event handler not working

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I also tried adding a click event handler to other nodes like a Rectangle or a Pane but it's always the same behaviour.
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}Regards,
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Edited by: 865264 on 11.06.2011 13:29 (thanks for the tip, Darryl)

To get better help sooner, post a SSCCE (Short, Self Contained, Compilable and Executable) example that demonstrates the problem.
Don't forget to read the announcements at the top of the forum listing and the FAQ linked from every page so you'll know how to format your code correctly.

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Hello,
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Best regards & Thanks.
alex

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1) We came across some hint in google and found that missing COMMIT statement could be the issue.
But we checked our custom code and there is no issue with COMMIT.
2) We have even checked the FINAL RETURN status at each of the Activity's by adding debug messages and we could see that the return value is appropriate but not sure what is causing this
issue.
Upon retrying the Activity from Workflow Administrator resp, the same activity (that is stuck before) is getting Completed Normally.
Also this is an intermittent issue and not sure, if this is happening inconsistently due to some environment params or some load related.
Request you to review the problem and suggest if anything needs to be checked.
Thank you,
Lokesh G
Oracle Apps Consultant

Hi Team,
Request you to please check the issue and provide your suggestions.
Your help is much appreciated.
Thanks
Sreenivasulu M

Event ID 1135 When Node Paused

I have a three node Server 2012 cluster with Hyper-V running on the cluster. When I pause a server, and then restart it, I am getting Event ID 1135:
Cluster node 'COTTONMILL' was removed from the active failover cluster membership. The Cluster service on this node may have stopped. This could also be due to the node having lost communication with other active nodes in the failover cluster. Run the Validate
a Configuration wizard to check your network configuration. If the condition persists, check for hardware or software errors related to the network adapters on this node. Also check for failures in any other network components to which the node is connected
such as hubs, switches, or bridges.
and also Event ID 1177:
The Cluster service is shutting down because quorum was lost. This could be due to the loss of network connectivity between some or all nodes in the cluster, or a failover of the witness disk.
Run the Validate a Configuration wizard to check your network configuration. If the condition persists, check for hardware or software errors related to the network adapter. Also check for failures in any other network components to which the node is connected
such as hubs, switches, or bridges.
All of my virtual servers stay up though.
Quorum is set at NodeMajority with no witness.
Should I be getting these errors when I pause one node to do maintenance and the other two nodes are running? Thanks.

Hi,
The 1135 event will be logged on all nodes in the Cluster except for the node that was removed. The reason for this event is because one of the nodes in the Cluster marked
that node as down. It then notifies all of the other nodes of the event. When the nodes are notified, they discontinue and tear down their heartbeat connections to the downed node.
And the 1177 event may cause by your restart, you can refer the following article for the more detail reason:
Having a problem with nodes being removed from active Failover Cluster membership?
http://blogs.technet.com/b/askcore/archive/2012/02/08/having-a-problem-with-nodes-being-removed-from-active-failover-cluster-membership.aspx
Event ID 1177 — Quorum and Connectivity Needed for Quorum
http://technet.microsoft.com/en-us/library/cc773498(v=ws.10).aspx
Hope this helps.
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How to "repaint" a custom node

Hi everybody.
I have working with JavaFX for a short time and a problem has come up... I'm developing an application where I dragg and drop elements from one half of the Scene to the other. Each half is represented by a Custom node that shows some thumbnails. When I dragg an element from one side to the other, I managed to insert that element in the sequence belonging to the destiny (Custom node) side.
What I want is making this change of position visible, Each side of the Scene has a lot of thumbnails and I use a scroll to browse all the elements. When I transfer a thumbnail from one side of the Scene to the other is still the origin custom node scroll which moves the just transferred thumbnail altought it should be managed by the destiny custom node scroll...
What I would need is a kind of "repaint" method, like the Swing's one...
Thank's in advanced. Regards.

Hi Nachy,
Thanks for your replay,
Regards,
Anumaala Kumar

Define event types in Customizing and restart the transaction.

how to define event to restart the transaction in BADI
I have given error message in badi. it is giving
No SAP Event Management communication for events; no event types def
    Message no. /SAPTRX/ASC084
Diagnosis
    You have not defined event types for the business process types.
    therefore not possible to communicate event data to SAP Event
    Management.
System response
    The communication of event data is aborted.
Procedure
    Define event types in Customizing and restart the transaction.

Hi Kevin,
What DataSource does your testalias refer to?
- If it is a custom DataSource, you must have created this custom DataSource also.
- If it is the default DataSource, you shouldn't have this problem in general...
In either case, you can try deploying your DataSource and/or DataSource alias together with your application:
http://help.sap.com/saphelp_nwce10/helpdata/en/45/07d2eeea3e0485e10000000a155369/frameset.htm
http://help.sap.com/saphelp_nwce10/helpdata/en/45/c82cd460a42e96e10000000a155369/frameset.htm
I hope that helps!
Regards,
Yordan

Error while accessing application with the custom components

Hi experts,
I have an application (HAP_MAIN_DOCUMENT) of component FPM_OIF_COMPONENT which uses a Webdynpro component with the same name (HAP_MAIN_DOCUMENT). This Webdynpro component (HAP_MAIN_DOCUMENT) uses 2 other components (HAP_DOCUMENT_BODY and HAP_DOCUMENT_HEADER). For my client requirement, i need to create the custom components by copying from standard components as the UI layout changes are quiet huge and not manageable with the enhancements. To accomodate this i have changed the standard configurations by replacing the standard web dynpro components with the custom ones copied. Apart fomr this there are no changes to the standard.
While trying to access the application, i am getting the error as Null object reference.
the details of the error is as below. Please advice.
Heading 1: h1. P:ortal Error
The URL http://******************/sap/bc/webdynpro/sap/HAP_MAIN_DOCUMENT/ was not called due to an error.
Note
The following error text was processed in the system DSD : Access via 'NULL' object reference not possible.
The error occurred on the application server ddrsap12_DSD_01 and in the work process 0 .
The termination type was: RABAX_STATE
The ABAP call stack was:
Method: WDDOINIT of program /1BCWDY/LUR96POELQNL3TIUWPYS==CP
Method: IF_WDR_VIEW_DELEGATE~WD_DO_INIT of program /1BCWDY/LUR96POELQNL3TIUWPYS==CP
Method: DO_INIT of program CL_WDR_DELEGATING_VIEW========CP
Method: INIT_CONTROLLER of program CL_WDR_CONTROLLER=============CP
Method: INIT_CONTROLLER of program CL_WDR_VIEW===================CP
Method: INIT of program CL_WDR_CONTROLLER=============CP
Method: GET_VIEW of program CL_WDR_VIEW_MANAGER===========CP
Method: BIND_ROOT of program CL_WDR_VIEW_MANAGER===========CP
Method: INIT of program CL_WDR_VIEW_MANAGER===========CP
Method: INIT_CONTROLLER of program CL_WDR_INTERFACE_VIEW=========CP
Heading 2: h2. ST22 - Dump Analysis
Error analysis
    An exception occurred that is explained in detail below.
    The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
     caught in
    procedure "WDDOINIT" "(METHOD)", nor was it propagated by a RAISING clause.
    Since the caller of the procedure could not have anticipated that the
    exception would occur, the current program is terminated.
    The reason for the exception is:
    You attempted to use a 'NULL' object reference (points to 'nothing')
    access a component.
    An object reference must point to an object (an instance of a class)
    before it can be used to access components.
    Either the reference was never set or it was set to 'NULL' using the
    CLEAR statement.
Information on where terminated
    Termination occurred in the ABAP program "/1BCWDY/LUR96POELQNL3TIUWPYS==CP" -
     in "WDDOINIT".
    The main program was "SAPMHTTP ".
    In the source code you have the termination point in line 4640
    of the (Include) program "/1BCWDY/B_LUXVEOR5WUW66V6QRRNU".
    Termination occurred in a Web Dynpro application
      Web Dynpro Component          ZWD_HAP_DOCUMENT_HEADER
      Web Dynpro Controller         VW_HEADER_MAIN
    The termination is caused because exception "CX_SY_REF_IS_INITIAL" occurred in
    procedure "WDDOINIT" "(METHOD)", but it was neither handled locally nor
     declared
    in the RAISING clause of its signature.
    The procedure is in program "/1BCWDY/LUR96POELQNL3TIUWPYS==CP "; its source
     code begins in line
    4619 of the (Include program "/1BCWDY/B_LUXVEOR5WUW66V6QRRNU ".
Active Calls/Events
No.   Ty.          Program                             Include                             Line
      Name
   33 METHOD       /1BCWDY/LUR96POELQNL3TIUWPYS==CP    /1BCWDY/B_LUXVEOR5WUW66V6QRRNU       4640
      CL_VW_HEADER_MAIN_CTR=>WDDOINIT
      Web Dynpro Component          ZWD_HAP_DOCUMENT_HEADER
      Web Dynpro Controller         VW_HEADER_MAIN
   32 METHOD       /1BCWDY/LUR96POELQNL3TIUWPYS==CP    /1BCWDY/B_LUXVEOR5WUW66V6QRRNU         70
      CLF_VW_HEADER_MAIN_CTR=>IF_WDR_VIEW_DELEGATE~WD_DO_INIT
      Web Dynpro Component          ZWD_HAP_DOCUMENT_HEADER
      Web Dynpro Controller         VW_HEADER_MAIN
   31 METHOD       CL_WDR_DELEGATING_VIEW========CP    CL_WDR_DELEGATING_VIEW========CM003     3
      CL_WDR_DELEGATING_VIEW=>DO_INIT
   30 METHOD       CL_WDR_CONTROLLER=============CP    CL_WDR_CONTROLLER=============CM00Q     3
      CL_WDR_CONTROLLER=>INIT_CONTROLLER
   29 METHOD       CL_WDR_VIEW===================CP    CL_WDR_VIEW===================CM00K     5
      CL_WDR_VIEW=>INIT_CONTROLLER
   28 METHOD       CL_WDR_CONTROLLER=============CP    CL_WDR_CONTROLLER=============CM002     7
      CL_WDR_CONTROLLER=>INIT
   27 METHOD       CL_WDR_VIEW_MANAGER===========CP    CL_WDR_VIEW_MANAGER===========CM008    70
      CL_WDR_VIEW_MANAGER=>GET_VIEW
   26 METHOD       CL_WDR_VIEW_MANAGER===========CP    CL_WDR_VIEW_MANAGER===========CM005    23
      CL_WDR_VIEW_MANAGER=>BIND_ROOT
   25 METHOD       CL_WDR_VIEW_MANAGER===========CP    CL_WDR_VIEW_MANAGER===========CM00B    17
      CL_WDR_VIEW_MANAGER=>INIT
   24 METHOD       CL_WDR_INTERFACE_VIEW=========CP    CL_WDR_INTERFACE_VIEW=========CM004    11
      CL_WDR_INTERFACE_VIEW=>INIT_CONTROLLER
   23 METHOD       CL_WDR_CONTROLLER=============CP    CL_WDR_CONTROLLER=============CM002     7
      CL_WDR_CONTROLLER=>INIT
   22 METHOD       CL_WDR_VIEW_MANAGER===========CP    CL_WDR_VIEW_MANAGER===========CM008    70
      CL_WDR_VIEW_MANAGER=>GET_VIEW
Thanks In advance,
Regards,
Ravi.

Hi, I'm closing this thread and opening the same in another as the content got pasted in reader un friendly format and i'm unable to change the format.
Thanks,
Ravi.

OnMouseClicked event with overlapping custom nodes

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