/*******************************************************************************
* Copyright (c) 2008 Red Hat, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Kent Sebastian <ksebasti@redhat.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.oprofile.ui.model;
import org.eclipse.linuxtools.internal.oprofile.core.model.OpModelEvent;
import org.eclipse.linuxtools.internal.oprofile.core.model.OpModelImage;
import org.eclipse.linuxtools.internal.oprofile.ui.OprofileUiPlugin;
import org.eclipse.swt.graphics.Image;
/**
* Top level elements displayed in the view -- events that oprofile
* has profiled. Must have children sessions.
* @since 1.1
*/
public class UiModelEvent implements IUiModelElement {
private IUiModelElement parent = null; //parent node -- necessary?
private OpModelEvent event; //the node in the data model
private UiModelImage image; //this node's child
private UiModelDependent dependent; //dependent images of the OpModelImage
public UiModelEvent(IUiModelElement parent, OpModelEvent event) {
this.parent = parent;
this.event = event;
this.image = null;
this.dependent = null;
refreshModel();
}
/**
* Create the ui sessions from the data model.
*/
private void refreshModel() {
OpModelImage dataModelImage = event.getImage();
if (dataModelImage != null) {
image = new UiModelImage(this, dataModelImage, dataModelImage.getCount(), dataModelImage.getDepCount());
if (dataModelImage.hasDependents()) {
dependent = new UiModelDependent(this, dataModelImage.getDependents(), dataModelImage.getCount(), dataModelImage.getDepCount());
}
}
}
@Override
public String toString() {
return (event == null ? "" : event.getName()); //$NON-NLS-1$
}
/** IUiModelElement functions **/
@Override
public String getLabelText() {
return toString();
}
/**
* Returns the children of this element.
* @return An array of child elements or null
*/
@Override
public IUiModelElement[] getChildren() {
if (dependent != null) {
return new IUiModelElement[] {image, dependent};
} else {
return new IUiModelElement[] {image};
}
}
/**
* Returns if the element has any children.
* @return true if the element has children, false otherwise
*/
@Override
public boolean hasChildren() {
return (image != null);
}
/**
* Returns the element's parent.
* @return parent The parent element or null
*/
@Override
public IUiModelElement getParent() {
return parent;
}
/**
* Returns the Image to display next to the text in the tree viewer.
* @return an Image object of the icon
*/
@Override
public Image getLabelImage() {
return OprofileUiPlugin.getImageDescriptor(OprofileUiPlugin.EVENT_ICON).createImage();
}
}