Bug 201042 [Accessibility]Chart scritp should not add by auto when click the down in keyboard[17]
Description: Chart scritp should not add by auto when click the down in keyboard[0704] Step: 1. New a chart and switch to script view. 2. Let the point on the script function selection. 3. Click the down on keyboard. Actual result: A function will add by auto. Expected result: Customer can not select the function under the second function by keyboard, and it should not be added by auto.
UI/org.eclipse.birt.report.designer.ui.editors.schematic/src/org/eclipse/birt/report/designer/internal/ui/editors/script/JSEditor.java
import org.eclipse.birt.report.designer.core.util.mediator.request.ReportRequest;
import org.eclipse.birt.report.designer.internal.ui.util.ExceptionHandler;
import org.eclipse.birt.report.designer.internal.ui.views.data.DataViewPage;
import org.eclipse.birt.report.designer.internal.ui.views.data.DataViewTreeViewerPage;
import org.eclipse.birt.report.designer.internal.ui.views.outline.DesignerOutlinePage;
import org.eclipse.birt.report.designer.internal.ui.views.property.ReportPropertySheetPage;
import org.eclipse.birt.report.designer.nls.Messages;
import org.eclipse.birt.report.designer.ui.IReportGraphicConstants;
import org.eclipse.birt.report.designer.ui.ReportPlatformUIImages;
import org.eclipse.birt.report.designer.ui.views.ProviderFactory;
import org.eclipse.birt.report.designer.ui.views.attributes.AttributeViewPage;
import org.eclipse.birt.report.designer.util.DEUtil;
import org.eclipse.birt.report.model.api.DesignElementHandle;
import org.eclipse.birt.report.model.api.ExtendedItemHandle;
import org.eclipse.birt.report.model.api.ScriptDataSourceHandle;
import org.eclipse.birt.report.model.api.activity.SemanticException;
import org.eclipse.birt.report.model.api.metadata.IArgumentInfo;
import org.eclipse.birt.report.model.api.metadata.IArgumentInfoList;
import org.eclipse.birt.report.model.api.metadata.IClassInfo;
import org.eclipse.birt.report.model.api.metadata.IElementPropertyDefn;
import org.eclipse.birt.report.model.api.metadata.IMethodInfo;
import org.eclipse.birt.report.model.api.metadata.IPropertyDefn;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.gef.ui.actions.ActionRegistry;
import org.eclipse.gef.ui.views.palette.PalettePage;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.ITextListener;
import org.eclipse.jface.text.TextEvent;