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package org.eclipse.swt.examples.controlexample;
/*
* (c) Copyright IBM Corp. 2000, 2002.
* This file is 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
*/
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.events.*;
class ProgressBarTab extends RangeTab {
/* Example widgets and groups that contain them */
ProgressBar progressBar1;
Group progressBarGroup;
/* Style widgets added to the "Style" group */
Button smoothButton;
/**
* Creates the Tab within a given instance of ControlExample.
*/
ProgressBarTab(ControlExample instance) {
super(instance);
}
/**
* Creates the "Example" group.
*/
void createExampleGroup() {
super.createExampleGroup ();
/* Create a group for the progress bar */
progressBarGroup = new Group (exampleGroup, SWT.NULL);
progressBarGroup.setLayout (new GridLayout ());
progressBarGroup.setLayoutData (new GridData (GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
progressBarGroup.setText ("ProgressBar");
}
/**
* Creates the "Example" widgets.
*/
void createExampleWidgets () {
/* Compute the widget style */
int style = SWT.NONE;
if (horizontalButton.getSelection ()) style |= SWT.HORIZONTAL;
if (verticalButton.getSelection ()) style |= SWT.VERTICAL;
if (smoothButton.getSelection ()) style |= SWT.SMOOTH;
if (borderButton.getSelection ()) style |= SWT.BORDER;
/* Create the example widgets */
progressBar1 = new ProgressBar (progressBarGroup, style);
progressBar1.setMaximum (100);
progressBar1.setSelection (50);
}
/**
* Creates the "Style" group.
*/
void createStyleGroup () {
super.createStyleGroup ();
/* Create the extra widgets */
smoothButton = new Button (styleGroup, SWT.CHECK);
smoothButton.setText ("SWT.SMOOTH");
}
/**
* Gets the "Example" widget children.
*/
Control [] getExampleWidgets () {
return new Control [] {progressBar1};
}
/**
* Gets the text for the tab folder item.
*/
String getTabText () {
return "ProgressBar";
}
/**
* Sets the state of the "Example" widgets.
*/
void setExampleWidgetState () {
super.setExampleWidgetState ();
maximumScale.setMaximum (progressBar1.getMaximum ());
smoothButton.setSelection ((progressBar1.getStyle () & SWT.SMOOTH) != 0);
}
/**
* Sets the maximum of the "Example" widgets.
*/
void setWidgetMaximum () {
progressBar1.setMaximum (maximumScale.getSelection ());
updateScales ();
}
/**
* Sets the minimim of the "Example" widgets.
*/
void setWidgetMinimum () {
progressBar1.setMinimum (minimumScale.getSelection ());
updateScales ();
}
/**
* Sets the selection of the "Example" widgets.
*/
void setWidgetSelection () {
progressBar1.setSelection (selectionScale.getSelection ());
updateScales ();
}
/**
* Update the scale widgets to reflect the actual value set
* on the "Example" widget.
*/
void updateScales () {
minimumScale.setSelection (progressBar1.getMinimum ());
selectionScale.setSelection (progressBar1.getSelection ());
maximumScale.setSelection (progressBar1.getMaximum ());
}
}
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