now also works with blockless constructs (if, for, etc)

[ifi-stolz-refaktor.git] / software / no.uio.ifi.refaktor / src / no / uio / ifi / refaktor / handlers / TextSelectionInformationHandler.java

package no.uio.ifi.refaktor.handlers;

import no.uio.ifi.refaktor.textselection.CompilationUnitTextSelection;
import no.uio.ifi.refaktor.utils.DocumentUtils;
import no.uio.ifi.refaktor.utils.ParseUtils;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;

public class TextSelectionInformationHandler extends AbstractHandler {

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		CompilationUnitTextSelection textSelection = DocumentUtils.getCompilationUnitTextSelectionFromExecutionEvent(event);
		ASTNode coveringNode = textSelection.getCoveringNode();
		ASTNode coveredNode = textSelection.getCoveredNode();

		String string = "Selection type: " + textSelection.getClass().toString() 
				+ "\n\nStart line: " + (textSelection.getStartLine() + 1)
				+ "\nEnd line: " + (textSelection.getEndLine() + 1)
				+ "\nOffset: " + textSelection.getOffset()
				+ "\nLength: " + textSelection.getLength()
				+ "\nEnd: " + textSelection.getEnd()
				+ "\n\nCoveringNode: " + coveringNode.getClass().getCanonicalName() + ":\n" + ParseUtils.getNodeText(coveringNode)
				+ "\n\nCoveredNode: " + coveredNode.getClass().getCanonicalName() + ":\n" + ParseUtils.getNodeText(coveredNode)
				+ "\n\nSelected text:\n\n" + textSelection.getText();

		IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
		MessageDialog.openInformation(window.getShell(), "Selection Info", string);
		return null;
	}

}