/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.processes.monitoring;
import elemental.dom.Element;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.HTMLPanel;
import com.google.gwt.user.client.ui.Widget;
import org.eclipse.che.ide.ui.Tooltip;
import org.eclipse.che.ide.ui.menu.PositionController;
/**
* Resource monitor widget. Displays information about cpu, memory and disk usage in consoles tree.
* The widget also creates a tooltip with additional information.
*
* @author Vitaliy Guliy
*/
public class MonitorWidget extends Composite {
interface MonitorWidgetUiBinder extends UiBinder<Widget, MonitorWidget> {
}
private final static MonitorWidgetUiBinder UI_BINDER = GWT.create(MonitorWidgetUiBinder.class);
@UiField
FlowPanel cpuBar, memBar, diskBar;
@UiField
HTMLPanel tooltip;
@UiField
DivElement tooltipCpuBar, tooltipCpuValue;
@UiField
DivElement tooltipMemBar, tooltipMemValue, tooltipMemDescription;
@UiField
DivElement tooltipDiskBar, tooltipDiskValue, tooltipDiskDescription;
public MonitorWidget() {
initWidget(UI_BINDER.createAndBindUi(this));
tooltip.removeFromParent();
Tooltip.create((Element)getElement(), PositionController.VerticalAlign.BOTTOM, PositionController.HorizontalAlign.RIGHT, (Element)tooltip.getElement());
}
/**
* Sets CPU usage value.
*
* @param cpuUsage
* cpuUsage usage
*/
public void setCpuUsage(int cpuUsage) {
setVisible(true);
cpuBar.getElement().getFirstChildElement().getStyle().setProperty("height", cpuUsage + "%");
tooltipCpuBar.getStyle().setProperty("height", cpuUsage + "%");
tooltipCpuValue.setInnerText(cpuUsage + "%");
}
/**
* Sets memory usage value.
*
* @param mem
* memory usage
* @param max
* max memory available
*/
public void setMemoryUsage(int mem, int max) {
setVisible(true);
int percentage = (int)((double)mem / ((double)max / 100) );
memBar.getElement().getFirstChildElement().getStyle().setProperty("height", percentage + "%");
tooltipMemBar.getStyle().setProperty("height", percentage + "%");
tooltipMemValue.setInnerText(percentage + "%");
tooltipMemDescription.setInnerText("- " + mem + " MB / " + max + " MB");
}
/**
* Sets disk usage value.
*
* @param disk
* disk usage
* @param max
* max disk available
*/
public void setDiskUsage(int disk, int max) {
setVisible(true);
int percentage = (int)((double)disk / ((double)max / 100) );
diskBar.getElement().getFirstChildElement().getStyle().setProperty("height", percentage + "%");
tooltipDiskBar.getStyle().setProperty("height", percentage + "%");
tooltipDiskValue.setInnerText(percentage + "%");
disk = disk / 1024;
max = max / 1024;
tooltipDiskDescription.setInnerText("- " + disk + " MB / " + max + " MB");
}
}