// $Id: TestMultiEditorPane.java 43 2010-04-03 20:28:12Z marcusvnac $
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// software and its documentation without fee, and without a written
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package org.argouml.ui;

import java.awt.Component;

import javax.swing.JTabbedPane;

import junit.framework.TestCase;

import org.argouml.model.Model;
import org.argouml.ui.targetmanager.TargetEvent;
import org.argouml.uml.diagram.static_structure.ui.UMLClassDiagram;
import org.tigris.gef.presentation.FigText;

/**
 * @author jaap.branderhorst@xs4all.nl
 * @since Apr 13, 2003
 */
public class TestMultiEditorPane extends TestCase {

    /**
     * Constructor for TestMultiEditorPane.
     *
     * @param arg0 is the name of the test case.
     */
    public TestMultiEditorPane(String arg0) {
        super(arg0);
    }

    /**
     * Test setting a target.
     */
    public void testTargetSet() {
        try {
            MultiEditorPane pane = new MultiEditorPane();
            Component[] tabs = pane.getTabs().getComponents();
            Object target = new Object();
            boolean[] shouldBeEnabled = getShouldBeEnabled(target, tabs);
            TargetEvent e =
                new TargetEvent(this,
				TargetEvent.TARGET_SET,
				new Object[] {
				    null,
				},
				new Object[] {
				    target,
				});
            pane.targetSet(e);
            assertEnabled(pane.getTabs(), shouldBeEnabled);
            target = new UMLClassDiagram();
            shouldBeEnabled = getShouldBeEnabled(target, tabs);
            e = new TargetEvent(
				this,
				TargetEvent.TARGET_SET,
				new Object[] {
				    null,
				},
				new Object[] {
				    target
				});
            pane.targetSet(e);
            assertEnabled(pane.getTabs(), shouldBeEnabled);
            target = Model.getCoreFactory().createClass();
            shouldBeEnabled = getShouldBeEnabled(target, tabs);
            e =
                new TargetEvent(this,
				TargetEvent.TARGET_SET,
				new Object[] {
				    null,
				},
				new Object[] {
				    target,
				});
            pane.targetSet(e);
            assertEnabled(pane.getTabs(), shouldBeEnabled);
            target = new FigText(0, 0, 0, 0);
            shouldBeEnabled = getShouldBeEnabled(target, tabs);
            e = new TargetEvent(this,
				TargetEvent.TARGET_SET,
				new Object[] {
				    null,
				},
				new Object[] {
				    target,
				});
            pane.targetSet(e);
            assertEnabled(pane.getTabs(), shouldBeEnabled);
        } catch (Exception ex) {
            // on a headless system (without display) this will crash
        }
    }

    private boolean[] getShouldBeEnabled(Object target, Component[] tabs) {
        boolean[] shouldBeEnabled = new boolean[tabs.length];
        for (int i = 0; i < tabs.length; i++) {
            shouldBeEnabled[i] = ((TabTarget) tabs[i]).shouldBeEnabled(target);
        }
        return shouldBeEnabled;
    }

    private void assertEnabled(
        JTabbedPane tabbedPane,
        boolean[] shouldBeEnabled) {
        for (int i = 0; i < shouldBeEnabled.length; i++) {
            assertEquals(shouldBeEnabled[i], tabbedPane.isEnabledAt(i));
        }
    }


}