в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:16:33Z

1 версия

Новая страница

== List: addSelectionListener(SelectionListener lis) ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class MainClass {
public static void main(String[] a) {
Display display = new Display();
final Shell shell = new Shell(display);
final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
list.setBounds(40, 20, 220, 100);
for (int loopIndex = 0; loopIndex < 9; loopIndex++) {
list.add("Item Number " + loopIndex);
}
final Text text = new Text(shell, SWT.BORDER);
text.setBounds(60, 130, 160, 25);
list.addSelectionListener(new SelectionListener() {
public void widgetSelected(SelectionEvent event) {
int[] selectedItems = list.getSelectionIndices();
String outString = "";
for (int loopIndex = 0; loopIndex < selectedItems.length; loopIndex++)
outString += selectedItems[loopIndex] + " ";
text.setText("Selected Items: " + outString);
}
public void widgetDefaultSelected(SelectionEvent event) {
int[] selectedItems = list.getSelectionIndices();
String outString = "";
for (int loopIndex = 0; loopIndex < selectedItems.length; loopIndex++)
outString += selectedItems[loopIndex] + " ";
System.out.println("Selected Items: " + outString);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}

</source>



== List: add(String value) ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.TreeEvent;
import org.eclipse.swt.events.TreeListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
public class MainClass {
public static void main(String[] a) {
final Display d = new Display();
final Shell s = new Shell(d);
s.setSize(250, 200);
s.setText("A Tree Shell Example");
s.setLayout(new FillLayout(SWT.HORIZONTAL));
final Tree t = new Tree(s, SWT.SINGLE | SWT.BORDER);
final TreeItem child1 = new TreeItem(t, SWT.NONE, 0);
child1.setText("1");
// child1.setImage(new Image(d, "c:\\icons\\folder.gif"));
final TreeItem child2 = new TreeItem(t, SWT.NONE, 1);
child2.setText("2");
final TreeItem child2a = new TreeItem(child2, SWT.NONE, 0);
child2a.setText("2A");
final TreeItem child2b = new TreeItem(child2, SWT.NONE, 1);
child2b.setText("2B");
final TreeItem child3 = new TreeItem(t, SWT.NONE, 2);
child3.setText("3");
final List l = new List(s, SWT.BORDER | SWT.SINGLE);
t.addTreeListener(new TreeListener() {
public void treeExpanded(TreeEvent e) {
TreeItem ti = (TreeItem) e.item;
// ti.setImage(new Image(d, "c:\\icons\\open.gif"));
}
public void treeCollapsed(TreeEvent e) {
TreeItem ti = (TreeItem) e.item;
// ti.setImage(new Image(d, "c:\\icons\\folder.gif"));
}
});
t.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
TreeItem ti = (TreeItem) e.item;
populateList(ti.getText());
}
private void populateList(String type) {
if (type.equals("1")) {
l.removeAll();
l.add("1");
l.add("2");
}
if (type.equals("2")) {
l.removeAll();
}
if (type.equals("2A")) {
l.removeAll();
l.add("3");
l.add("4");
}
if (type.equals("2B")) {
l.removeAll();
l.add("5");
l.add("6");
}
if (type.equals("3")) {
l.removeAll();
l.add("7");
l.add("8");
}
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>



== List: getSelection() ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display d = new Display();
Shell s = new Shell(d);
s.setSize(250, 250);
s.setText("A List Example");
final List l = new List(s, SWT.MULTI | SWT.BORDER);
l.setBounds(50, 50, 75, 75);
l.add("Item One");
l.add("Item Two");
l.add("Item Three");
l.add("Item Four");
l.add("Item Five");
final Button b1 = new Button(s, SWT.PUSH | SWT.BORDER);
b1.setBounds(150, 150, 50, 25);
b1.setText("Click Me");
b1.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String selected[] = l.getSelection();
for (int i = 0; i < selected.length; i++) {
System.out.println(selected[i]);
}
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>



== List: getVerticalBar() ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
// Create a List with a vertical scroll bar
List list = new List(shell, SWT.V_SCROLL);
// Add a bunch of items to it
for (int i = 0; i < 500; i++) {
list.add("A list item");
}
// Scroll to the bottom
list.select(list.getItemCount() - 1);
list.showSelection();
// Get the scroll bar
ScrollBar sb = list.getVerticalBar();
// Add one more item that shows the selection value
list.add("Selection: " + sb.getSelection());
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}

</source>



== List: removeAll() ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.TreeEvent;
import org.eclipse.swt.events.TreeListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeItem;
public class MainClass {
public static void main(String[] a) {
final Display d = new Display();
final Shell s = new Shell(d);
s.setSize(250, 200);
s.setText("A Tree Shell Example");
s.setLayout(new FillLayout(SWT.HORIZONTAL));
final Tree t = new Tree(s, SWT.SINGLE | SWT.BORDER);
final TreeItem child1 = new TreeItem(t, SWT.NONE, 0);
child1.setText("1");
// child1.setImage(new Image(d, "c:\\icons\\folder.gif"));
final TreeItem child2 = new TreeItem(t, SWT.NONE, 1);
child2.setText("2");
final TreeItem child2a = new TreeItem(child2, SWT.NONE, 0);
child2a.setText("2A");
final TreeItem child2b = new TreeItem(child2, SWT.NONE, 1);
child2b.setText("2B");
final TreeItem child3 = new TreeItem(t, SWT.NONE, 2);
child3.setText("3");
final List l = new List(s, SWT.BORDER | SWT.SINGLE);
t.addTreeListener(new TreeListener() {
public void treeExpanded(TreeEvent e) {
TreeItem ti = (TreeItem) e.item;
// ti.setImage(new Image(d, "c:\\icons\\open.gif"));
}
public void treeCollapsed(TreeEvent e) {
TreeItem ti = (TreeItem) e.item;
// ti.setImage(new Image(d, "c:\\icons\\folder.gif"));
}
});
t.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
TreeItem ti = (TreeItem) e.item;
populateList(ti.getText());
}
private void populateList(String type) {
if (type.equals("1")) {
l.removeAll();
l.add("1");
l.add("2");
}
if (type.equals("2")) {
l.removeAll();
}
if (type.equals("2A")) {
l.removeAll();
l.add("3");
l.add("4");
}
if (type.equals("2B")) {
l.removeAll();
l.add("5");
l.add("6");
}
if (type.equals("3")) {
l.removeAll();
l.add("7");
l.add("8");
}
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>



== List: select(int index) ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
// Create a List with a vertical scroll bar
List list = new List(shell, SWT.V_SCROLL);
// Add a bunch of items to it
for (int i = 0; i < 500; i++) {
list.add("A list item");
}
// Scroll to the bottom
list.select(list.getItemCount() - 1);
list.showSelection();
// Get the scroll bar
ScrollBar sb = list.getVerticalBar();
// Add one more item that shows the selection value
list.add("Selection: " + sb.getSelection());
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}

</source>



== List: setItems(String[] values) ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display d = new Display();
Shell s = new Shell(d);
s.setSize(250, 250);
s.setText("A Combo Example");
s.setText("A List Example");
String items[] = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" };
final List l = new List(s, SWT.SINGLE | SWT.BORDER);
l.setBounds(50, 50, 75, 75);
l.setItems(items);
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>



== List: showSelection() ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.ScrollBar;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
// Create a List with a vertical scroll bar
List list = new List(shell, SWT.V_SCROLL);
// Add a bunch of items to it
for (int i = 0; i < 500; i++) {
list.add("A list item");
}
// Scroll to the bottom
list.select(list.getItemCount() - 1);
list.showSelection();
// Get the scroll bar
ScrollBar sb = list.getVerticalBar();
// Add one more item that shows the selection value
list.add("Selection: " + sb.getSelection());
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}

</source>



== new List(Shell s, SWT.MULTI | SWT.BORDER) ==



<source lang="java">
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display d = new Display();
Shell s = new Shell(d);
s.setSize(250, 250);
s.setText("A List Example");
final List l = new List(s, SWT.MULTI | SWT.BORDER);
l.setBounds(50, 50, 75, 75);
l.add("Item One");
l.add("Item Two");
l.add("Item Three");
l.add("Item Four");
l.add("Item Five");
final Button b1 = new Button(s, SWT.PUSH | SWT.BORDER);
b1.setBounds(150, 150, 50, 25);
b1.setText("Click Me");
b1.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
String selected[] = l.getSelection();
for (int i = 0; i < selected.length; i++) {
System.out.println(selected[i]);
}
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>



== new List(Shell s, SWT.SINGLE | SWT.BORDER) ==



<source lang="java">

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
public static void main(String[] a) {
Display d = new Display();
Shell s = new Shell(d);
s.setSize(250, 250);
s.setText("A List Example");
String items[] = { "Item One", "Item Two", "Item Three", "Item Four", "Item Five" };
final List l = new List(s, SWT.SINGLE | SWT.BORDER);
l.setBounds(50, 50, 75, 75);
l.setItems(items);
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
}

</source>

← Предыдущая	Версия 17:43, 31 мая 2010
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Java by API/org.eclipse.swt.widgets/List - История изменений

в 17:43, 31 мая 2010

Admin: 1 версия