CollapseHandler.java

package com.proalpha.java.oea.plugins.oeaextension.codefoldingutility.handlers;
 
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.jface.viewers.ISelection;
 
import com.openedge.pdt.text.editor.OETextEditor;
 
public class CollapseHandler extends AbstractCodeFoldingHandler {
 
    public Object execute(ExecutionEvent event) throws ExecutionException {
 
        OETextEditor editor = getOETextEditor();
 
        if (editor != null) {
 
            ISelection selection = editor.getSelectionProvider().getSelection();
 
            if (selection instanceof ITextSelection) {
 
                ITextSelection textSelection = (ITextSelection) selection;
 
                editor.getOESourceViewer()
                        .getProjectionAnnotationModel()
                        .collapseAll(textSelection.getOffset(),
                                textSelection.getLength());
 
            }
 
        }
 
        return null;
 
    }
 
}