в 17:44, 31 мая 2010

2010-05-31T17:44:26Z

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2010-05-31T15:21:35Z

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== Add a combo box in a tool bar ==



<source lang="java">
/*******************************************************************************
* 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
*******************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.rubo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarCombo {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
ToolBar bar = new ToolBar(shell, SWT.BORDER);
for (int i = 0; i < 4; i++) {
ToolItem item = new ToolItem(bar, 0);
item.setText("Item " + i);
}
ToolItem sep = new ToolItem(bar, SWT.SEPARATOR);
int start = bar.getItemCount();
for (int i = start; i < start + 4; i++) {
ToolItem item = new ToolItem(bar, 0);
item.setText("Item " + i);
}
Combo combo = new Combo(bar, SWT.READ_ONLY);
for (int i = 0; i < 4; i++) {
combo.add("Item " + i);
}
combo.pack();
sep.setWidth(combo.getSize().x);
sep.setControl(combo);
bar.pack();
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== Add Buttons to ToolBar ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarButtonsAdding {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
shell.setLayout(gridLayout);
ToolBar toolbar = new ToolBar(shell, SWT.NONE);
ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
itemBack.setText("Back");
ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
itemForward.setText("Forward");
ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
itemStop.setText("Stop");
ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
itemRefresh.setText("Refresh");
ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
itemGo.setText("Go");
GridData data = new GridData();
data.horizontalSpan = 3;
toolbar.setLayoutData(data);
Listener listener = new Listener() {
public void handleEvent(Event event) {
ToolItem item = (ToolItem) event.widget;
String string = item.getText();
if (string.equals("Back"))
System.out.println("Back");
else if (string.equals("Forward"))
System.out.println("Forward");
else if (string.equals("Stop"))
System.out.println("Stop");
else if (string.equals("Refresh"))
System.out.println("Refresh");
else if (string.equals("Go"))
System.out.println("Go");
}
};
itemBack.addListener(SWT.Selection, listener);
itemForward.addListener(SWT.Selection, listener);
itemStop.addListener(SWT.Selection, listener);
itemRefresh.addListener(SWT.Selection, listener);
itemGo.addListener(SWT.Selection, listener);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== A toolbar can be horizontal or vertical. ==



<source lang="java">
ToolBar toolBar = new ToolBar(shell, SWT.HORIZONTAL);
ToolBar toolBar = new ToolBar(shell, SWT.VERTICAL);</source>



== Place a drop down menu in a tool bar ==



<source lang="java">
/*******************************************************************************
* 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.snippets;
/*
* ToolBar example snippet: place a drop down menu in a tool bar
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarDropDown {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
final ToolBar toolBar = new ToolBar(shell, SWT.NONE);
final Menu menu = new Menu(shell, SWT.POP_UP);
for (int i = 0; i < 8; i++) {
MenuItem item = new MenuItem(menu, SWT.PUSH);
item.setText("Item " + i);
}
final ToolItem item = new ToolItem(toolBar, SWT.DROP_DOWN);
item.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
if (event.detail == SWT.ARROW) {
Rectangle rect = item.getBounds();
Point pt = new Point(rect.x, rect.y + rect.height);
pt = toolBar.toDisplay(pt);
menu.setLocation(pt.x, pt.y);
menu.setVisible(true);
}
}
});
toolBar.pack();
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
menu.dispose();
display.dispose();
}
}</source>



== ToolBar Constants ==

ConstantDescriptionSWT.FLATMakes the toolbar items flat; only the button under the mouse pointer appears raised.SWT.WRAPWraps the toolbar buttons; this style has no effect on Windows.SWT.RIGHTRight aligns the toolbar.SWT.HORIZONTALDraws a horizontal toolbar.SWT.VERTICALDraws a vertical toolbar.SWT.SHADOW_OUTDraw a shadow around the toolbar.

== ToolBar: create tool bar with normal, hot and disabled images. ==



<source lang="java">
/*******************************************************************************
* 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
*******************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarNormalHotDisabledImage {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
Image image = new Image(display, 20, 20);
Color color = display.getSystemColor(SWT.COLOR_BLUE);
GC gc = new GC(image);
gc.setBackground(color);
gc.fillRectangle(image.getBounds());
gc.dispose();
Image disabledImage = new Image(display, 20, 20);
color = display.getSystemColor(SWT.COLOR_GREEN);
gc = new GC(disabledImage);
gc.setBackground(color);
gc.fillRectangle(disabledImage.getBounds());
gc.dispose();
Image hotImage = new Image(display, 20, 20);
color = display.getSystemColor(SWT.COLOR_RED);
gc = new GC(hotImage);
gc.setBackground(color);
gc.fillRectangle(hotImage.getBounds());
gc.dispose();
ToolBar bar = new ToolBar(shell, SWT.BORDER | SWT.FLAT);
bar.setSize(200, 32);
for (int i = 0; i < 12; i++) {
ToolItem item = new ToolItem(bar, 0);
item.setImage(image);
item.setDisabledImage(disabledImage);
item.setHotImage(hotImage);
if (i % 3 == 0)
item.setEnabled(false);
}
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
image.dispose();
disabledImage.dispose();
hotImage.dispose();
display.dispose();
}
}</source>



== ToolBar: wrap on resize ==



<source lang="java">
/*******************************************************************************
* 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
*******************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class ToolBarWrapResize {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
final ToolBar toolBar = new ToolBar(shell, SWT.WRAP);
for (int i = 0; i < 12; i++) {
ToolItem item = new ToolItem(toolBar, SWT.PUSH);
item.setText("Item " + i);
}
shell.addListener(SWT.Resize, new Listener() {
public void handleEvent(Event e) {
Rectangle rect = shell.getClientArea();
Point size = toolBar.ruputeSize(rect.width, SWT.DEFAULT);
toolBar.setSize(size);
}
});
toolBar.pack();
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>

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Java Tutorial/SWT/ToolBar - История изменений

в 17:44, 31 мая 2010

Admin: 1 версия