Fix org.eclipse.swt.SWTError: No more handles bug

[Stefanos Papadopoulos]

To reproduce this exception, you have to build a big digital track in the editor. after a couple of times adding or deleting tiles you get this exception.

org.eclipse.swt.SWTError: No more handles

at org.eclipse.swt.SWT.error(SWT.java:3803)
at org.eclipse.swt.SWT.error(SWT.java:3695)
at org.eclipse.swt.SWT.error(SWT.java:3666)
at org.eclipse.swt.internal.ImageList?.copyWithAlpha(ImageList?.java:175)
at org.eclipse.swt.internal.ImageList?.set(ImageList?.java:405)
at org.eclipse.swt.internal.ImageList?.add(ImageList?.java:66)
at org.eclipse.swt.widgets.Table.imageIndex(Table.java:2682)
at org.eclipse.swt.widgets.TableItem?.setImage(TableItem?.java:1099)
at org.eclipse.jface.viewers.TableViewerRow?.setImage(TableViewerRow?.java:134)
at org.eclipse.jface.viewers.ViewerCell?.setImage(ViewerCell?.java:170)
at org.eclipse.jface.viewers.WrappedViewerLabelProvider?.update(WrappedViewerLabelProvider?.java:166)
at org.eclipse.jface.viewers.ViewerColumn?.refresh(ViewerColumn?.java:145)
at org.eclipse.jface.viewers.AbstractTableViewer?.doUpdateItem(AbstractTableViewer?.java:386)
at org.eclipse.jface.viewers.StructuredViewer?$UpdateItemSafeRunnable?.run(StructuredViewer?.java:466)
at org.eclipse.core.runtime.SafeRunner?.run(SafeRunner?.java:37)
at org.eclipse.core.runtime.Platform.run(Platform.java:880)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:48)
at org.eclipse.jface.util.SafeRunnable?.run(SafeRunnable?.java:175)
at org.eclipse.jface.viewers.StructuredViewer?.updateItem(StructuredViewer?.java:2041)
at org.eclipse.jface.viewers.AbstractTableViewer?.internalRefreshAll(AbstractTableViewer?.java:695)
at org.eclipse.jface.viewers.AbstractTableViewer?.internalRefresh(AbstractTableViewer?.java:633)
at org.eclipse.jface.viewers.AbstractTableViewer?.internalRefresh(AbstractTableViewer?.java:620)
at org.eclipse.jface.viewers.StructuredViewer?$7.run(StructuredViewer?.java:1430)
at org.eclipse.jface.viewers.StructuredViewer?.preservingSelection(StructuredViewer?.java:1365)
at org.eclipse.jface.viewers.StructuredViewer?.preservingSelection(StructuredViewer?.java:1328)
at org.eclipse.jface.viewers.StructuredViewer?.refresh(StructuredViewer?.java:1428)
at org.eclipse.jface.viewers.ColumnViewer?.refresh(ColumnViewer?.java:537)
at org.eclipse.jface.viewers.StructuredViewer?.refresh(StructuredViewer?.java:1387)
at de.jacavi.rcp.views.TrackOutline?.refresh(TrackOutline?.java:171)
at de.jacavi.rcp.views.TrackOutline?.propertyChanged(TrackOutline?.java:155)
at org.eclipse.ui.part.WorkbenchPart?.firePropertyChange(WorkbenchPart?.java:129)
at de.jacavi.rcp.editors.TrackDesigner.fireTrackModified(TrackDesigner.java:175)
at de.jacavi.rcp.editors.TrackDesigner.handleAppendage(TrackDesigner.java:151)
at de.jacavi.rcp.views.TileExplorer?.invokeInsertion(TileExplorer?.java:178)
at de.jacavi.rcp.views.TileExplorer?.access$0(TileExplorer?.java:173)
at de.jacavi.rcp.views.TileExplorer?$1.widgetSelected(TileExplorer?.java:105)
at org.eclipse.swt.widgets.TypedListener?.handleEvent(TypedListener?.java:228)
at org.eclipse.swt.widgets.EventTable?.sendEvent(EventTable?.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3823)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3422)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at de.jacavi.rcp.Application.start(Application.java:25)
at org.eclipse.equinox.internal.app.EclipseAppHandle?.run(EclipseAppHandle?.java:193)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher?.runApplication(EclipseAppLauncher?.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher?.start(EclipseAppLauncher?.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter?.run(EclipseStarter?.java:382)
at org.eclipse.core.runtime.adaptor.EclipseStarter?.run(EclipseStarter?.java:179)
at sun.reflect.NativeMethodAccessorImpl?.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl?.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl?.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
at org.eclipse.equinox.launcher.Main.main(Main.java:1212)