DoubleClickListener.java

/**
 *
 */
package org.erlide.wrangler.refactoring.duplicatedcode.ui;

import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.texteditor.ITextEditor;
import org.erlide.wrangler.refactoring.duplicatedcode.ui.elements.DuplicatedCodeElement;
import org.erlide.wrangler.refactoring.duplicatedcode.ui.elements.DuplicatedCodeInstanceElement;
import org.erlide.wrangler.refactoring.duplicatedcode.ui.elements.DuplicatedFileElement;
import org.erlide.wrangler.refactoring.util.WranglerUtils;

class DoubleClickListener implements IDoubleClickListener {

    DoubleClickListener() {

    }

    @Override
    public void doubleClick(final DoubleClickEvent event) {
        final ISelection selection = event.getSelection();

        final Object obj = ((IStructuredSelection) selection).getFirstElement();

        if (obj instanceof DuplicatedCodeInstanceElement) {
            higlightCodePart((DuplicatedCodeInstanceElement) obj);
        } else if (obj instanceof DuplicatedCodeElement) {
            higlightCodePart(((DuplicatedCodeElement) obj).getCodePart());
        } else if (obj instanceof DuplicatedFileElement) {
            final DuplicatedFileElement obj2 = (DuplicatedFileElement) obj;
            WranglerUtils.openFile(obj2.getContainingFile());
        }

    }

    public void higlightCodePart(final DuplicatedCodeInstanceElement codePart) {
        final ITextEditor textEditor = (ITextEditor) WranglerUtils
                .openFile(codePart.getContainingFile());
        WranglerUtils.highlightOffsetSelection(codePart.getStartOffset(),
                codePart.getEndOffset(), textEditor);
    }
}