| /******************************************************************************* |
| * Copyright (c) 2000, 2004 IBM Corporation and others. |
| * 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: |
| * 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; |
| boolean orientationButtons = true; |
| |
| /* 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.setSelection(0); |
| 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 */ |
| if (orientationButtons) { |
| 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) { |
| if (orientationButtons) { |
| 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 (); |
| } |