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POProgramatically adding a sort condition to a table in BIRT using JS
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  1. POProgramatically adding a sort condition to a table in BIRT using JS
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    copied!<p>I am attempting to write some script that simplifies table sorting and have been getting quite close but am now wondering if I have found a bug...or have just misunderstood limitations.</p> <p>So my relevant code:</p> <pre><code>var reportRunnable = reportContext.getReportRunnable(); var reportDesign = reportRunnable.getDesignInstance(); var table = reportDesign.getTable(tableName); var sortCondition = org.eclipse.birt.report.engine.api.script.element.StructureScriptAPIFactory.createSortCondition(); sortCondition.setKey("row[\"" + columnKey + "\"]"); sortCondition.setDirection("desc"); table.removeSortConditions(); table.addSortCondition(sortCondition); </code></pre> <p>I am getting a NullPointerException on line 164 in the class Listing: org.eclipse.birt.report.engine.script.internal.element.Listing, in the method removeSortConditions...</p> <pre><code>((org.eclipse.birt.report.model.api.simpleapi.IListing) designElementImpl).removeSortConditions(); </code></pre> <p>So the above implies 'designElementImpl' is null, having looked further at the source it seemed to imply that to instantiate the 'table' object, the following constructor was used:</p> <pre><code>public Table( TableHandle table ); </code></pre> <p>And moving up the heirarchy of super classes, it implies that in the constructor of DesignElement, the following is returning null:</p> <pre><code>designElementImpl = SimpleElementFactory.getInstance( ).getElement(handle); </code></pre> <p>Any one any thoughts? Am I just not able to what I am trying to do?</p> <p>Thanks in advance.</p> <p>EDIT: Should probably add; I'm using BIRT 2.5.1.</p>
 

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