| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.events.*; |
| |
| class SashTab extends Tab { |
| /* Example widgets and groups that contain them */ |
| Sash hSash, vSash; |
| Composite sashComp; |
| Group sashGroup; |
| List list1, list2, list3; |
| Text text; |
| Button smoothButton; |
| |
| static String [] ListData0 = {ControlExample.getResourceString("ListData0_0"), |
| ControlExample.getResourceString("ListData0_1"), |
| ControlExample.getResourceString("ListData0_2"), |
| ControlExample.getResourceString("ListData0_3"), |
| ControlExample.getResourceString("ListData0_4"), |
| ControlExample.getResourceString("ListData0_5"), |
| ControlExample.getResourceString("ListData0_6"), |
| ControlExample.getResourceString("ListData0_7"), |
| ControlExample.getResourceString("ListData0_8")}; |
| |
| static String [] ListData1 = {ControlExample.getResourceString("ListData1_0"), |
| ControlExample.getResourceString("ListData1_1"), |
| ControlExample.getResourceString("ListData1_2"), |
| ControlExample.getResourceString("ListData1_3"), |
| ControlExample.getResourceString("ListData1_4"), |
| ControlExample.getResourceString("ListData1_5"), |
| ControlExample.getResourceString("ListData1_6"), |
| ControlExample.getResourceString("ListData1_7"), |
| ControlExample.getResourceString("ListData1_8")}; |
| |
| /* Constants */ |
| static final int SASH_WIDTH = 3; |
| static final int SASH_LIMIT = 20; |
| |
| /** |
| * Creates the Tab within a given instance of ControlExample. |
| */ |
| SashTab(ControlExample instance) { |
| super(instance); |
| } |
| |
| /** |
| * Creates the "Example" group. |
| */ |
| void createExampleGroup () { |
| super.createExampleGroup (); |
| exampleGroup.setLayoutData (new GridData (SWT.FILL, SWT.FILL, true, true)); |
| exampleGroup.setLayout(new FillLayout()); |
| |
| /* Create a group for the sash widgets */ |
| sashGroup = new Group (exampleGroup, SWT.NONE); |
| FillLayout layout = new FillLayout(); |
| layout.marginHeight = layout.marginWidth = 5; |
| sashGroup.setLayout(layout); |
| sashGroup.setText ("Sash"); |
| } |
| |
| /** |
| * Creates the "Example" widgets. |
| */ |
| void createExampleWidgets () { |
| /* |
| * Create the page. This example does not use layouts. |
| */ |
| sashComp = new Composite(sashGroup, SWT.BORDER); |
| |
| /* Create the list and text widgets */ |
| list1 = new List (sashComp, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER); |
| list1.setItems (ListData0); |
| list2 = new List (sashComp, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER); |
| list2.setItems (ListData1); |
| text = new Text (sashComp, SWT.MULTI | SWT.BORDER); |
| text.setText (ControlExample.getResourceString("Multi_line")); |
| |
| /* Create the sashes */ |
| int style = getDefaultStyle(); |
| if (smoothButton.getSelection()) style |= SWT.SMOOTH; |
| vSash = new Sash (sashComp, SWT.VERTICAL | style); |
| hSash = new Sash (sashComp, SWT.HORIZONTAL | style); |
| |
| /* Add the listeners */ |
| hSash.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| Rectangle rect = vSash.getParent().getClientArea(); |
| event.y = Math.min (Math.max (event.y, SASH_LIMIT), rect.height - SASH_LIMIT); |
| if (event.detail != SWT.DRAG) { |
| hSash.setBounds (event.x, event.y, event.width, event.height); |
| layout (); |
| } |
| } |
| }); |
| vSash.addSelectionListener (new SelectionAdapter () { |
| public void widgetSelected (SelectionEvent event) { |
| Rectangle rect = vSash.getParent().getClientArea(); |
| event.x = Math.min (Math.max (event.x, SASH_LIMIT), rect.width - SASH_LIMIT); |
| if (event.detail != SWT.DRAG) { |
| vSash.setBounds (event.x, event.y, event.width, event.height); |
| layout (); |
| } |
| } |
| }); |
| sashComp.addControlListener (new ControlAdapter () { |
| public void controlResized (ControlEvent event) { |
| resized (); |
| } |
| }); |
| } |
| |
| /** |
| * Creates the "Size" group. The "Size" group contains |
| * controls that allow the user to change the size of |
| * the example widgets. |
| */ |
| void createSizeGroup () { |
| } |
| |
| /** |
| * Creates the "Style" group. |
| */ |
| void createStyleGroup() { |
| super.createStyleGroup (); |
| |
| /* Create the extra widgets */ |
| smoothButton = new Button (styleGroup, SWT.CHECK); |
| smoothButton.setText("SWT.SMOOTH"); |
| } |
| |
| void disposeExampleWidgets () { |
| sashComp.dispose(); |
| sashComp = null; |
| } |
| |
| /** |
| * Gets the "Example" widget children. |
| */ |
| Widget [] getExampleWidgets () { |
| return new Widget [] {hSash, vSash}; |
| } |
| |
| /** |
| * 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). |
| */ |
| String[] getMethodNames() { |
| return new String[] {"ToolTipText"}; |
| } |
| |
| /** |
| * Gets the text for the tab folder item. |
| */ |
| String getTabText () { |
| return "Sash"; |
| } |
| |
| /** |
| * Layout the list and text widgets according to the new |
| * positions of the sashes..events.SelectionEvent |
| */ |
| void layout () { |
| |
| Rectangle clientArea = sashComp.getClientArea (); |
| Rectangle hSashBounds = hSash.getBounds (); |
| Rectangle vSashBounds = vSash.getBounds (); |
| |
| list1.setBounds (0, 0, vSashBounds.x, hSashBounds.y); |
| list2.setBounds (vSashBounds.x + vSashBounds.width, 0, clientArea.width - (vSashBounds.x + vSashBounds.width), hSashBounds.y); |
| text.setBounds (0, hSashBounds.y + hSashBounds.height, clientArea.width, clientArea.height - (hSashBounds.y + hSashBounds.height)); |
| |
| /** |
| * If the horizontal sash has been moved then the vertical |
| * sash is either too long or too short and its size must |
| * be adjusted. |
| */ |
| vSashBounds.height = hSashBounds.y; |
| vSash.setBounds (vSashBounds); |
| } |
| /** |
| * Sets the size of the "Example" widgets. |
| */ |
| void setExampleWidgetSize () { |
| sashGroup.layout (true); |
| } |
| |
| /** |
| * Sets the state of the "Example" widgets. |
| */ |
| void setExampleWidgetState () { |
| super.setExampleWidgetState (); |
| smoothButton.setSelection ((hSash.getStyle () & SWT.SMOOTH) != 0); |
| } |
| |
| /** |
| * Handle the shell resized event. |
| */ |
| void resized () { |
| |
| /* Get the client area for the shell */ |
| Rectangle clientArea = sashComp.getClientArea (); |
| |
| /* |
| * Make list 1 half the width and half the height of the tab leaving room for the sash. |
| * Place list 1 in the top left quadrant of the tab. |
| */ |
| Rectangle list1Bounds = new Rectangle (0, 0, (clientArea.width - SASH_WIDTH) / 2, (clientArea.height - SASH_WIDTH) / 2); |
| list1.setBounds (list1Bounds); |
| |
| /* |
| * Make list 2 half the width and half the height of the tab leaving room for the sash. |
| * Place list 2 in the top right quadrant of the tab. |
| */ |
| list2.setBounds (list1Bounds.width + SASH_WIDTH, 0, clientArea.width - (list1Bounds.width + SASH_WIDTH), list1Bounds.height); |
| |
| /* |
| * Make the text area the full width and half the height of the tab leaving room for the sash. |
| * Place the text area in the bottom half of the tab. |
| */ |
| text.setBounds (0, list1Bounds.height + SASH_WIDTH, clientArea.width, clientArea.height - (list1Bounds.height + SASH_WIDTH)); |
| |
| /* Position the sashes */ |
| vSash.setBounds (list1Bounds.width, 0, SASH_WIDTH, list1Bounds.height); |
| hSash.setBounds (0, list1Bounds.height, clientArea.width, SASH_WIDTH); |
| } |
| } |