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SWT(JFace)體驗之List演示匯總第1/2頁

更新時間：2009年06月25日 11:25:51 作者：

SWT(JFace)體驗之List演示代碼匯總

代碼如下：
DropDownAndSimple.java

package swt_jface.demo3; 
import org.eclipse.swt.SWT; 
import org.eclipse.swt.layout.RowLayout; 
import org.eclipse.swt.widgets.Combo; 
import org.eclipse.swt.widgets.Display; 
import org.eclipse.swt.widgets.Shell; 
public class DropDownAndSimple { 

Display display = new Display(); 
Shell shell = new Shell(display); 
public DropDownAndSimple() { 
RowLayout rowLayout = new RowLayout(); 
rowLayout.spacing = 15; 
rowLayout.marginWidth = 15; 
rowLayout.marginHeight = 15; 

shell.setLayout(rowLayout); 

Combo comboDropDown = new Combo(shell, SWT.DROP_DOWN | SWT.BORDER); 
Combo comboSimple = new Combo(shell, SWT.SIMPLE | SWT.BORDER); 

for(int i=0; i<3; i++) { 
comboDropDown.add("item " + i); 
comboSimple.add("item " + i); 
} 
shell.pack(); 
shell.open(); 
while (!shell.isDisposed()) { 
if (!display.readAndDispatch()) { 
display.sleep(); 
} 
} 
display.dispose(); 
} 
public static void main(String[] args) { 
new DropDownAndSimple(); 
} 
}

SampleCombo.java

復(fù)制代碼代碼如下:

package swt_jface.demo3; 
import java.util.Arrays; 
import org.eclipse.swt.SWT; 
import org.eclipse.swt.events.SelectionEvent; 
import org.eclipse.swt.events.SelectionListener; 
import org.eclipse.swt.layout.GridLayout; 
import org.eclipse.swt.widgets.Combo; 
import org.eclipse.swt.widgets.Display; 
import org.eclipse.swt.widgets.Label; 
import org.eclipse.swt.widgets.Shell; 
public class SampleCombo { 

Display display = new Display(); 
Shell shell = new Shell(display); 
public SampleCombo() { 

shell.setLayout(new GridLayout(2, false)); 
(new Label(shell, SWT.NULL)).setText("Select your favorite programming language: "); 
//final CCombo combo = new CCombo(shell, SWT.FLAT); 
final Combo combo = new Combo(shell, SWT.NULL); 
String[] languages = new String[]{"Java", "C", "C++", "SmallTalk"}; 
Arrays.sort(languages); 
for(int i=0; i<languages.length; i++) 
combo.add(languages[i]); 
//combo.add("Perl", 5); 
//combo.setItem(5, "Perl"); 

combo.addSelectionListener(new SelectionListener() { 
public void widgetSelected(SelectionEvent e) { 
System.out.println("Selected index: " + combo.getSelectionIndex() + ", selected item: " + combo.getItem(combo.getSelectionIndex()) + ", text content in the text field: " + combo.getText()); 
} 
public void widgetDefaultSelected(SelectionEvent e) { 
System.out.println("Default selected index: " + combo.getSelectionIndex() + ", selected item: " + (combo.getSelectionIndex() == -1 ? "<null>" : combo.getItem(combo.getSelectionIndex())) + ", text content in the text field: " + combo.getText()); 
String text = combo.getText(); 
if(combo.indexOf(text) < 0) { // Not in the list yet. 
combo.add(text); 
// Re-sort 
String[] items = combo.getItems(); 
Arrays.sort(items); 
combo.setItems(items); 
} 
} 
}); 
shell.pack(); 
shell.open(); 

while (!shell.isDisposed()) { 
if (!display.readAndDispatch()) { 
display.sleep(); 
} 
} 
display.dispose(); 
} 
public static void main(String[] args) { 
new SampleCombo(); 
} 
}

SampleList.java

復(fù)制代碼代碼如下:

package swt_jface.demo3; 
import org.eclipse.swt.SWT; 
import org.eclipse.swt.events.SelectionEvent; 
import org.eclipse.swt.events.SelectionListener; 
import org.eclipse.swt.layout.RowLayout; 
import org.eclipse.swt.widgets.Display; 
import org.eclipse.swt.widgets.Label; 
import org.eclipse.swt.widgets.List; 
import org.eclipse.swt.widgets.Shell; 
public class SampleList { 

Display display = new Display(); 
Shell shell = new Shell(display); 
public SampleList() { 
RowLayout rowLayout = new RowLayout(); 
shell.setLayout(rowLayout); 
(new Label(shell, SWT.NULL)).setText("What programming languages are you proficient in? "); 
final List list = new List(shell, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL); 
String[] languages = new String[]{"Java", "C", "C++", "SmallTalk"}; 
for(int i=0; i<languages.length; i++) 
list.add(languages[i]); 
list.addSelectionListener(new SelectionListener() { 
public void widgetSelected(SelectionEvent e) { 
System.err.println(list.getSelectionIndex()); 
int[] indices = list.getSelectionIndices(); 
String[] items = list.getSelection(); 
StringBuffer sb = new StringBuffer("Selected indices: "); 
for(int i=0; i < indices.length; i++) { 
sb.append(indices[i]); 
sb.append("("); 
sb.append(items[i]); 
sb.append(")"); 
if(i == indices.length-1) 
sb.append('.'); 
else 
sb.append(", "); 
} 
System.out.println(sb.toString()); 
} 
public void widgetDefaultSelected(SelectionEvent e) { 
int[] indices = list.getSelectionIndices(); 
String[] items = list.getSelection(); 
StringBuffer sb = new StringBuffer("Default selected indices: "); 
for(int i=0; i < indices.length; i++) { 
sb.append(indices[i]); 
sb.append("("); 
sb.append(items[i]); 
sb.append(")"); 
if(i == indices.length-1) 
sb.append('.'); 
else 
sb.append(", "); 
} 
System.out.println(sb.toString()); 
} 
}); 

list.selectAll(); 
//list.select(1); 
shell.pack(); 
shell.open(); 
while (!shell.isDisposed()) { 
if (!display.readAndDispatch()) { 
display.sleep(); 
} 
} 
display.dispose(); 
} 

public static void main(String[] args) { 
new SampleList(); 
} 
}

SingleMultiLists.java

復(fù)制代碼代碼如下:

package swt_jface.demo3; 
import org.eclipse.swt.SWT; 
import org.eclipse.swt.layout.GridLayout; 
import org.eclipse.swt.widgets.Display; 
import org.eclipse.swt.widgets.Label; 
import org.eclipse.swt.widgets.List; 
import org.eclipse.swt.widgets.Shell; 
public class SingleMultiLists { 

Display display = new Display(); 
Shell shell = new Shell(display); 
public SingleMultiLists() { 

GridLayout gridLayout = new GridLayout(2, true); 
shell.setLayout(gridLayout); 
(new Label(shell, SWT.NULL)).setText("SINGLE"); 
(new Label(shell, SWT.NULL)).setText("MULTI"); 
List singleSelectList = new List(shell, SWT.BORDER); 
List mutliSelectList = new List(shell, SWT.MULTI | SWT.BORDER); 
String[] items = new String[]{"Item 1", "Item 2", "Item 3", "Item 4"}; 
for(int i=0; i<items.length; i++) { 
singleSelectList.add(items[i]); 
mutliSelectList.add(items[i]); 
} 
shell.pack(); 
shell.open(); 
while (!shell.isDisposed()) { 
if (!display.readAndDispatch()) { 
display.sleep(); 
} 
} 
display.dispose(); 
} 
public static void main(String[] args) { 
new SingleMultiLists(); 
} 
}