| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.examples.controlexample; |
| |
| |
| import static org.eclipse.swt.events.SelectionListener.widgetSelectedAdapter; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.layout.*; |
| |
| class SliderTab extends RangeTab { |
| /* Example widgets and groups that contain them */ |
| Slider slider1; |
| Group sliderGroup; |
| |
| /* Spinner widgets added to the "Control" group */ |
| Spinner incrementSpinner, pageIncrementSpinner, thumbSpinner; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| SliderTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Control" widget children. |
| */ |
| @Override |
| void createControlWidgets () { |
| super.createControlWidgets (); |
| createThumbGroup (); |
| createIncrementGroup (); |
| createPageIncrementGroup (); |
| } |
| |
| /** |
| * Creates the "Example" group. |
| */ |
| @Override |
| void createExampleGroup () { |
| super.createExampleGroup (); |
| |
| /* Create a group for the slider */ |
| sliderGroup = new Group (exampleGroup, SWT.NONE); |
| sliderGroup.setLayout (new GridLayout ()); |
| sliderGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true)); |
| sliderGroup.setText ("Slider"); |
| } |
| |
| /** |
| * Creates the "Example" widgets. |
| */ |
| @Override |
| void createExampleWidgets () { |
| |
| /* Compute the widget style */ |
| int style = getDefaultStyle(); |
| if (horizontalButton.getSelection ()) style |= SWT.HORIZONTAL; |
| if (verticalButton.getSelection ()) style |= SWT.VERTICAL; |
| if (borderButton.getSelection ()) style |= SWT.BORDER; |
| |
| /* Create the example widgets */ |
| slider1 = new Slider(sliderGroup, style); |
| } |
| |
| /** |
| * Create a group of widgets to control the increment |
| * attribute of the example widget. |
| */ |
| void createIncrementGroup() { |
| |
| /* Create the group */ |
| Group incrementGroup = new Group (controlGroup, SWT.NONE); |
| incrementGroup.setLayout (new GridLayout ()); |
| incrementGroup.setText (ControlExample.getResourceString("Increment")); |
| incrementGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL)); |
| |
| /* Create the Spinner widget */ |
| incrementSpinner = new Spinner (incrementGroup, SWT.BORDER); |
| incrementSpinner.setMaximum (100000); |
| incrementSpinner.setSelection (getDefaultIncrement()); |
| incrementSpinner.setPageIncrement (100); |
| incrementSpinner.setIncrement (1); |
| incrementSpinner.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false)); |
| |
| /* Add the listeners */ |
| incrementSpinner.addSelectionListener (widgetSelectedAdapter(e -> setWidgetIncrement ())); |
| } |
| |
| /** |
| * Create a group of widgets to control the page increment |
| * attribute of the example widget. |
| */ |
| void createPageIncrementGroup() { |
| |
| /* Create the group */ |
| Group pageIncrementGroup = new Group (controlGroup, SWT.NONE); |
| pageIncrementGroup.setLayout (new GridLayout ()); |
| pageIncrementGroup.setText (ControlExample.getResourceString("Page_Increment")); |
| pageIncrementGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL)); |
| |
| /* Create the Spinner widget */ |
| pageIncrementSpinner = new Spinner (pageIncrementGroup, SWT.BORDER); |
| pageIncrementSpinner.setMaximum (100000); |
| pageIncrementSpinner.setSelection (getDefaultPageIncrement()); |
| pageIncrementSpinner.setPageIncrement (100); |
| pageIncrementSpinner.setIncrement (1); |
| pageIncrementSpinner.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false)); |
| |
| /* Add the listeners */ |
| pageIncrementSpinner.addSelectionListener (widgetSelectedAdapter(event -> setWidgetPageIncrement ())); |
| } |
| |
| /** |
| * Create a group of widgets to control the thumb |
| * attribute of the example widget. |
| */ |
| void createThumbGroup() { |
| |
| /* Create the group */ |
| Group thumbGroup = new Group (controlGroup, SWT.NONE); |
| thumbGroup.setLayout (new GridLayout ()); |
| thumbGroup.setText (ControlExample.getResourceString("Thumb")); |
| thumbGroup.setLayoutData (new GridData (GridData.FILL_HORIZONTAL)); |
| |
| /* Create the Spinner widget */ |
| thumbSpinner = new Spinner (thumbGroup, SWT.BORDER); |
| thumbSpinner.setMaximum (100000); |
| thumbSpinner.setSelection (getDefaultThumb()); |
| thumbSpinner.setPageIncrement (100); |
| thumbSpinner.setIncrement (1); |
| thumbSpinner.setLayoutData (new GridData (SWT.FILL, SWT.CENTER, true, false)); |
| |
| /* Add the listeners */ |
| thumbSpinner.addSelectionListener (widgetSelectedAdapter(event -> setWidgetThumb ())); |
| } |
| |
| /** |
| * Gets the "Example" widget children. |
| */ |
| @Override |
| Widget [] getExampleWidgets () { |
| return new Widget [] {slider1}; |
| } |
| |
| /** |
| * Returns a list of set/get API method names (without the set/get prefix) |
| * that can be used to set/get values in the example control(s). |
| */ |
| @Override |
| String[] getMethodNames() { |
| return new String[] {"Selection", "ToolTipText"}; |
| } |
| |
| /** |
| * Gets the text for the tab folder item. |
| */ |
| @Override |
| String getTabText () { |
| return "Slider"; |
| } |
| |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| @Override |
| void setExampleWidgetState () { |
| super.setExampleWidgetState (); |
| if (!instance.startup) { |
| setWidgetIncrement (); |
| setWidgetPageIncrement (); |
| setWidgetThumb (); |
| } |
| } |
| |
| /** |
| * Gets the default maximum of the "Example" widgets. |
| */ |
| @Override |
| int getDefaultMaximum () { |
| return slider1.getMaximum(); |
| } |
| |
| /** |
| * Gets the default minimim of the "Example" widgets. |
| */ |
| @Override |
| int getDefaultMinimum () { |
| return slider1.getMinimum(); |
| } |
| |
| /** |
| * Gets the default selection of the "Example" widgets. |
| */ |
| @Override |
| int getDefaultSelection () { |
| return slider1.getSelection(); |
| } |
| |
| /** |
| * Gets the default increment of the "Example" widgets. |
| */ |
| int getDefaultIncrement () { |
| return slider1.getIncrement(); |
| } |
| |
| /** |
| * Gets the default page increment of the "Example" widgets. |
| */ |
| int getDefaultPageIncrement () { |
| return slider1.getPageIncrement(); |
| } |
| |
| /** |
| * Gets the default thumb of the "Example" widgets. |
| */ |
| int getDefaultThumb () { |
| return slider1.getThumb(); |
| } |
| |
| /** |
| * Sets the increment of the "Example" widgets. |
| */ |
| void setWidgetIncrement () { |
| slider1.setIncrement (incrementSpinner.getSelection ()); |
| } |
| |
| /** |
| * Sets the minimim of the "Example" widgets. |
| */ |
| @Override |
| void setWidgetMaximum () { |
| slider1.setMaximum (maximumSpinner.getSelection ()); |
| } |
| |
| /** |
| * Sets the minimim of the "Example" widgets. |
| */ |
| @Override |
| void setWidgetMinimum () { |
| slider1.setMinimum (minimumSpinner.getSelection ()); |
| } |
| |
| /** |
| * Sets the page increment of the "Example" widgets. |
| */ |
| void setWidgetPageIncrement () { |
| slider1.setPageIncrement (pageIncrementSpinner.getSelection ()); |
| } |
| |
| /** |
| * Sets the selection of the "Example" widgets. |
| */ |
| @Override |
| void setWidgetSelection () { |
| slider1.setSelection (selectionSpinner.getSelection ()); |
| } |
| |
| /** |
| * Sets the thumb of the "Example" widgets. |
| */ |
| void setWidgetThumb () { |
| slider1.setThumb (thumbSpinner.getSelection ()); |
| } |
| } |