/*******************************************************************************
* Copyright (c) 2011 Subgraph.
* 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:
* Subgraph - initial API and implementation
******************************************************************************/
package com.subgraph.vega.ui.scanner.dashboard;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StackLayout;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.ProgressBar;
public class CrawlerProgressPane extends Composite {
private final StackLayout stack;
private final Composite progressBarPage;
private final Composite progressLabelPage;
private final Label progressLabel;
private final ProgressBar progressBar;
public CrawlerProgressPane(Composite parent, Color background) {
super(parent, SWT.NONE);
stack = new StackLayout();
setLayout(stack);
setBackground(background);
progressBarPage = createPage(this, background);
progressLabelPage = createPage(this, background);
progressLabel = createProgressLabel(progressLabelPage);
progressLabel.setBackground(background);
progressBar = createProgressBar(progressBarPage);
progressBar.setBackground(background);
setLabelText("Scanner idle.");
}
private Composite createPage(Composite parent, Color background) {
Composite page = new Composite(parent, SWT.NONE);
page.setLayout(new GridLayout());
page.setBackground(background);
return page;
}
private Label createProgressLabel(Composite parent) {
final Label label = new Label(parent, SWT.CENTER);
label.setFont(JFaceResources.getBannerFont());
final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.widthHint = 400;
gd.verticalIndent = 20;
label.setLayoutData(gd);
return label;
}
private ProgressBar createProgressBar(Composite parent) {
final ProgressBar progress = new ProgressBar(parent, SWT.SMOOTH);
progress.setMinimum(0);
progress.setMaximum(100);
final GridData gd = new GridData(SWT.FILL, SWT.BOTTOM, true, true);
gd.widthHint = 400;
progress.setLayoutData(gd);
return progress;
}
void setLabelText(String text) {
if(progressLabel.isDisposed()) {
return;
}
progressLabel.setText(text);
if(stack.topControl != progressLabelPage) {
stack.topControl = progressLabelPage;
layout();
}
}
void setProgressBarValue(int value) {
if(progressBar.isDisposed()) {
return;
}
progressBar.setSelection(value);
if(stack.topControl != progressBarPage) {
stack.topControl = progressBarPage;
layout();
}
}
}