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/*******************************************************************************
* Copyright (c) 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.progress;
import java.util.ArrayList;
import org.eclipse.core.runtime.jobs.Job;
/**
* JobInfo is the class that keeps track of the tree structure
* for objects that display job status in a tree.
*/
class JobInfo extends JobTreeElement{
ArrayList children = new ArrayList();
Job job;
TaskInfo taskInfo;
/**
* Create a top level JobInfo.
* @param taskName
*/
JobInfo(Job enclosingJob) {
this.job = enclosingJob;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.progress.JobTreeElement#getDisplayString()
*/
String getDisplayString() {
return job.getName();
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.progress.JobTreeElement#getChildren()
*/
Object[] getChildren() {
return children.toArray();
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.progress.JobTreeElement#hasChildren()
*/
boolean hasChildren() {
return children.size() > 0;
}
/**
* Begin the task called taskName with the supplied work.
* @param taskName
* @param work
*/
void beginTask(String taskName, int work) {
taskInfo = new TaskInfo(job, taskName, work);
}
/**
* Add the subtask to the receiver.
* @param subTaskName
*/
void addSubTask(String subTaskName) {
children.add(subTaskName);
}
/**
* Add the amount of work to the job info.
* @param workIncrement
*/
void addWork(double workIncrement) {
if (taskInfo != null)
taskInfo.addWork(workIncrement);
}
/**
* Clear the collection of subtasks an the task info.
*/
void clear() {
children.clear();
this.taskInfo = null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.progress.JobTreeElement#getParent()
*/
Object getParent() {
return null;
}
}
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