org.eclipse.emf.refactor.metrics.runtime/src/org/eclipse/emf/refactor/metrics/runtime/ui/MetricResultsViewLabelProvider.java

package org.eclipse.emf.refactor.metrics.runtime.ui;


import java.math.BigDecimal;

import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.ENamedElement;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EOperation;
import org.eclipse.emf.refactor.metrics.runtime.core.Result;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.PlatformUI;

class MetricResultsViewLabelProvider extends LabelProvider implements ITableLabelProvider {

	public String getColumnText(Object obj, int index) {
		switch(index){
		case 0:
			return ((Result)obj).getTimeStamp();
		case 1:
			EObject contextElement = ((Result)obj).getContext().get(0);
			String name = getEObjectLabel(contextElement);
			String contextString = ((Result)obj).getMetric().getContext();
			contextString = contextString.replace(".", " ");
			String[] s = contextString.split(" ");
			if(s.length > 0)
				return s[s.length -1] + " " + name;
			else
				return name;
		case 2:
			return ((Result)obj).getMetric().getName();
		case 3:
			return ((Result)obj).getMetric().getDescription();
		case 4:
			Double value = ((Result)obj).getResultValue();
			if (value.isNaN()) return "NaN";
			BigDecimal myDec = new BigDecimal(value);
			myDec = myDec.setScale( 2, BigDecimal.ROUND_HALF_UP );
			return "" + myDec;
		}
		return "";
	}
	
	public Image getColumnImage(Object obj, int index) {
		switch(index){
		case 1:
			return PlatformUI.getWorkbench().getSharedImages().getImage(org.eclipse.ui.ide.IDE.SharedImages.IMG_OBJ_PROJECT );
		case 2:
			return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
		case 3:
			return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FILE);
		case 4:
//			return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ADD);
		}
		return null;
	}

	public Image getImage(Object obj) {
		return null;
	}
	
	public static String getEObjectLabel(EObject eObject){
		String name = null;
		String label = null;
		String id = null;
		
		for(EAttribute attribute : eObject.eClass().getEAllAttributes()){
			if (attribute.getName().equalsIgnoreCase("name")) {
				name = (String) eObject.eGet(attribute);
				break;
			}
		}	

		for(EOperation operation : eObject.eClass().getEAllOperations()){
			try{
				if(operation.getName().equals("getName") && name == null)
					name = (String)eObject.eInvoke(operation, null);
				if(operation.getName().equals("getLabel") && label == null)
					label = (String)eObject.eInvoke(operation, null);
				if(operation.getName().equals("getID") && id == null)
					id = (String)eObject.eInvoke(operation, null);
				if(operation.getName().equals("getId") && id == null)
					id = (String)eObject.eInvoke(operation, null);
				} catch (Exception e) {
				} 
			}
		
		if(name != null && !name.isEmpty())
			return name;
		if(label != null && !label.isEmpty())
			return label;
		if(id != null && !id.isEmpty())
			return id;
		
		if(eObject instanceof ENamedElement)
			if(((ENamedElement) eObject).getName() != null && !((ENamedElement) eObject).getName().equals(""))
				return ((ENamedElement)eObject).getName();
			else
				return eObject.toString();
		else
			return eObject.toString();
		
	}
}