/*******************************************************************************
* 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.SWT;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Sash;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Widget;
class SashTab extends Tab {
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") };
static final int SASH_LIMIT = 20;
/* Constants */
static final int SASH_WIDTH = 3;
/* Example widgets and groups that contain them */
Sash hSash, vSash;
List list1, list2, list3;
Composite sashComp;
Group sashGroup;
Button smoothButton;
Text text;
/**
* 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(SashTab.ListData0);
list2 = new List(sashComp, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER);
list2.setItems(SashTab.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, SashTab.SASH_LIMIT), rect.height - SashTab.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, SashTab.SASH_LIMIT), rect.width - SashTab.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);
}
/**
* 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 - SashTab.SASH_WIDTH) / 2,
(clientArea.height - SashTab.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 + SashTab.SASH_WIDTH, 0, clientArea.width
- (list1Bounds.width + SashTab.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 + SashTab.SASH_WIDTH, clientArea.width, clientArea.height
- (list1Bounds.height + SashTab.SASH_WIDTH));
/* Position the sashes */
vSash.setBounds(list1Bounds.width, 0, SashTab.SASH_WIDTH, list1Bounds.height);
hSash.setBounds(0, list1Bounds.height, clientArea.width, SashTab.SASH_WIDTH);
}
/**
* 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);
}
}