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/*******************************************************************************
* Copyright (c) 2000, 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.swt.examples.controlexample;
import org.eclipse.swt.*;
import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.events.*;
abstract class RangeTab extends Tab {
/* Style widgets added to the "Style" group */
Button horizontalButton, verticalButton;
/* Scale widgets added to the "Control" group */
Scale minimumScale, selectionScale, maximumScale;
/**
* Creates the Tab within a given instance of ControlExample.
*/
RangeTab(ControlExample instance) {
super(instance);
}
/**
* Creates the "Control" widget children.
*/
void createControlWidgets () {
/* Create controls specific to this example */
createMinimumGroup ();
createMaximumGroup ();
createSelectionGroup ();
}
/**
* Create a group of widgets to control the maximum
* attribute of the example widget.
*/
void createMaximumGroup() {
/* Create the group */
Group maximumGroup = new Group (controlGroup, SWT.NONE);
maximumGroup.setLayout (new GridLayout ());
maximumGroup.setText (ControlExample.getResourceString("Maximum"));
maximumGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
/* Create a scale widget */
maximumScale = new Scale (maximumGroup, SWT.NONE);
maximumScale.setMaximum (100);
maximumScale.setSelection (100);
maximumScale.setPageIncrement (10);
maximumScale.setIncrement (5);
GridData data = new GridData (GridData.FILL_HORIZONTAL);
data.widthHint = 100;
maximumScale.setLayoutData (data);
/* Add the listeners */
maximumScale.addSelectionListener(new SelectionAdapter () {
public void widgetSelected (SelectionEvent event) {
setWidgetMaximum ();
};
});
}
/**
* Create a group of widgets to control the minimum
* attribute of the example widget.
*/
void createMinimumGroup() {
/* Create the group */
Group minimumGroup = new Group (controlGroup, SWT.NONE);
minimumGroup.setLayout (new GridLayout ());
minimumGroup.setText (ControlExample.getResourceString("Minimum"));
minimumGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL));
/* Create a scale widget */
minimumScale = new Scale (minimumGroup, SWT.NONE);
minimumScale.setMaximum (100);
minimumScale.setPageIncrement (10);
minimumScale.setIncrement (5);
GridData data = new GridData (GridData.FILL_HORIZONTAL);
data.widthHint = 100;
minimumScale.setLayoutData (data);
/* Add the listeners */
minimumScale.addSelectionListener (new SelectionAdapter () {
public void widgetSelected (SelectionEvent event) {
setWidgetMinimum ();
};
});
}
/**
* Create a group of widgets to control the selection
* attribute of the example widget.
*/
void createSelectionGroup() {
/* Create the group */
Group selectionGroup = new Group(controlGroup, SWT.NONE);
selectionGroup.setLayout(new GridLayout());
GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
selectionGroup.setLayoutData(gridData);
selectionGroup.setText(ControlExample.getResourceString("Selection"));
/* Create a scale widget */
selectionScale = new Scale (selectionGroup, SWT.NONE);
selectionScale.setMaximum (100);
selectionScale.setSelection (50);
selectionScale.setPageIncrement (10);
selectionScale.setIncrement (5);
GridData data = new GridData (GridData.FILL_HORIZONTAL);
data.widthHint = 100;
selectionScale.setLayoutData (data);
/* Add the listeners */
selectionScale.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
setWidgetSelection ();
};
});
}
/**
* Creates the "Style" group.
*/
void createStyleGroup () {
super.createStyleGroup ();
/* Create the extra widgets */
horizontalButton = new Button (styleGroup, SWT.RADIO);
horizontalButton.setText ("SWT.HORIZONTAL");
verticalButton = new Button (styleGroup, SWT.RADIO);
verticalButton.setText ("SWT.VERTICAL");
borderButton = new Button (styleGroup, SWT.CHECK);
borderButton.setText ("SWT.BORDER");
}
/**
* Sets the state of the "Example" widgets.
*/
void setExampleWidgetState () {
super.setExampleWidgetState ();
setWidgetMinimum ();
setWidgetMaximum ();
setWidgetSelection ();
Control [] controls = getExampleWidgets ();
if (controls.length != 0){
horizontalButton.setSelection ((controls [0].getStyle () & SWT.HORIZONTAL) != 0);
verticalButton.setSelection ((controls [0].getStyle () & SWT.VERTICAL) != 0);
borderButton.setSelection ((controls [0].getStyle () & SWT.BORDER) != 0);
}
}
/**
* Sets the maximum of the "Example" widgets.
*/
abstract void setWidgetMaximum ();
/**
* Sets the minimim of the "Example" widgets.
*/
abstract void setWidgetMinimum ();
/**
* Sets the selection of the "Example" widgets.
*/
abstract void setWidgetSelection ();
}
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