CeylonSourceHover.java

package com.redhat.ceylon.eclipse.code.hover;

import org.eclipse.jface.text.IInformationControl;
import org.eclipse.jface.text.IInformationControlCreator;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.editors.text.EditorsUI;
import org.eclipse.ui.part.IWorkbenchPartOrientation;

import com.redhat.ceylon.eclipse.code.editor.CeylonEditor;

public class CeylonSourceHover extends SourceInfoHover {

    public CeylonSourceHover(CeylonEditor editor) {
        super(editor);
    }

    @Override
    public String getHoverInfo(ITextViewer textViewer, IRegion hoverRegion) {
        return null;
    }

    @Override
    public Object getHoverInfo2(ITextViewer textViewer, IRegion hoverRegion) {
        return hoverRegion;
    }

    @Override
    public IInformationControlCreator getHoverControlCreator() {
        return new IInformationControlCreator() {
            public IInformationControl createInformationControl(Shell parent) {
                final int orientation = 
                        editor instanceof IWorkbenchPartOrientation ?
                            ((IWorkbenchPartOrientation) editor).getOrientation() :
                            SWT.NONE;
                return new SourceViewerInformationControl(editor, 
                        parent, false, orientation, 
                        EditorsUI.getTooltipAffordanceString());
            }
        };
    }

}