UISwitcherWindowpublic class UISwitcherWindow extends Object
| Fields Summary |
|---|
| private static String | CFG_PREFIX | | private static String | RESOURCE_LOC | | private static String[] | IMAGES | | private static String[] | IDS | | private Shell | shell | | private Button | btnOk | | private int | ui | | private List | disposeList |
| Constructors Summary |
|---|
public UISwitcherWindow()
// XXX forcing to allowCancel is temporary
this(null, true);
| public UISwitcherWindow(Shell parentShell, boolean allowCancel)
try {
final Image[] images = new Image[IMAGES.length];
final Button[] buttons = new Button[IMAGES.length];
GridData gd;
int style = SWT.BORDER | SWT.TITLE | SWT.RESIZE;
if (allowCancel) {
style |= SWT.CLOSE;
}
shell = ShellFactory.createShell(parentShell, style);
shell.setText(MessageText.getString(CFG_PREFIX + "title"));
Utils.setShellIcon(shell);
shell.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
Utils.disposeSWTObjects(disposeList);
}
});
Display display = shell.getDisplay();
ClassLoader cl = UISwitcherWindow.class.getClassLoader();
GridLayout layout = new GridLayout();
layout.horizontalSpacing = 0;
layout.marginWidth = 5;
layout.marginHeight = 0;
layout.verticalSpacing = 1;
shell.setLayout(layout);
Label title = new Label(shell, SWT.WRAP);
gd = new GridData(GridData.FILL_HORIZONTAL);
gd.verticalIndent = 3;
title.setLayoutData(gd);
Messages.setLanguageText(title, CFG_PREFIX + "text");
Listener radioListener = new Listener() {
public void handleEvent(Event event) {
int idx;
if (event.widget instanceof Composite) {
Long l = (Long) event.widget.getData("INDEX");
idx = l.intValue();
} else {
Composite c = ((Control) event.widget).getParent();
Long l = (Long) c.getData("INDEX");
idx = l.intValue();
}
for (int i = 0; i < buttons.length; i++) {
boolean selected = idx == i;
Composite c = buttons[i].getParent();
c.getParent().setBackground(
selected ? c.getDisplay().getSystemColor(
SWT.COLOR_LIST_SELECTION) : null);
Color fg = selected ? c.getDisplay().getSystemColor(
SWT.COLOR_LIST_SELECTION_TEXT) : null;
Control[] children = c.getChildren();
for (int j = 0; j < children.length; j++) {
Control control = children[j];
control.setForeground(fg);
}
buttons[i].setSelection(selected);
}
}
};
FontData[] fontData = shell.getFont().getFontData();
fontData[0].setHeight((int) (fontData[0].getHeight() * 1.5));
fontData[0].setStyle(SWT.BOLD);
final Font headerFont = new Font(shell.getDisplay(), fontData);
disposeList.add(headerFont);
for (int i = 0; i < IMAGES.length; i++) {
String id = IMAGES[i];
final Composite c = new Composite(shell, SWT.NONE);
c.setBackgroundMode(SWT.INHERIT_DEFAULT);
gd = new GridData(GridData.FILL_BOTH);
gd.verticalIndent = 0;
c.setLayoutData(gd);
GridLayout gridLayout = new GridLayout(2, false);
gridLayout.horizontalSpacing = 0;
gridLayout.marginWidth = 5;
gridLayout.marginHeight = 3;
gridLayout.verticalSpacing = 0;
c.setLayout(gridLayout);
c.setData("INDEX", new Long(i));
c.addListener(SWT.MouseDown, radioListener);
Label label = new Label(c, SWT.CENTER);
label.addListener(SWT.MouseDown, radioListener);
try {
InputStream is = cl.getResourceAsStream(RESOURCE_LOC + id);
if (is != null) {
images[i] = new Image(display, is);
label.setImage(images[i]);
disposeList.add(images[i]);
}
} catch (Exception e) {
e.printStackTrace();
}
Composite c2 = new Composite(c, SWT.NONE);
c2.setData("INDEX", new Long(i));
c2.setLayout(new GridLayout());
c2.setLayoutData(new GridData(GridData.FILL_BOTH));
buttons[i] = new Button(c2, SWT.RADIO);
buttons[i].setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
Messages.setLanguageText(buttons[i], CFG_PREFIX + IDS[i] + ".title");
buttons[i].setData("INDEX", new Long(i));
buttons[i].addListener(SWT.Selection, radioListener);
buttons[i].setFont(headerFont);
buttons[i].addTraverseListener(new TraverseListener() {
public void keyTraversed(TraverseEvent e) {
if (e.detail == SWT.TRAVERSE_ARROW_NEXT) {
e.doit = true;
e.detail = SWT.TRAVERSE_TAB_NEXT;
} else if (e.detail == SWT.TRAVERSE_ARROW_PREVIOUS) {
e.detail = SWT.TRAVERSE_TAB_PREVIOUS;
e.doit = true;
} else if (e.detail == SWT.TRAVERSE_TAB_NEXT
|| e.detail == SWT.TRAVERSE_TAB_PREVIOUS) {
btnOk.setFocus();
e.doit = false;
} else if (e.detail == SWT.TRAVERSE_RETURN) {
e.doit = true;
} else if (e.detail == SWT.TRAVERSE_ESCAPE) {
e.doit = false;
if (allowCancel) {
ui = -1;
shell.dispose();
}
} else {
e.doit = false;
}
}
});
buttons[i].addListener(SWT.KeyDown, new Listener() {
// @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
public void handleEvent(Event event) {
if (event.keyCode == SWT.ARROW_UP) {
shell.getDisplay().getFocusControl().traverse(
SWT.TRAVERSE_ARROW_PREVIOUS);
} else if (event.keyCode == SWT.ARROW_DOWN) {
shell.getDisplay().getFocusControl().traverse(
SWT.TRAVERSE_ARROW_NEXT);
}
}
});
Label info = new Label(c2, SWT.WRAP);
gd = new GridData(GridData.FILL_BOTH);
gd.horizontalIndent = 20;
info.setLayoutData(gd);
Messages.setLanguageText(info, CFG_PREFIX + IDS[i] + ".text");
info.addListener(SWT.MouseDown, radioListener);
}
Event eventSelectFirst = new Event();
eventSelectFirst.widget = buttons[0];
radioListener.handleEvent(eventSelectFirst);
Composite cBottom = new Composite(shell, SWT.NONE);
layout = new GridLayout(2, false);
layout.marginHeight = 0;
layout.marginWidth = 0;
cBottom.setLayout(layout);
cBottom.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
Label lblBottom = new Label(cBottom, SWT.WRAP);
Messages.setLanguageText(lblBottom, "window.uiswitcher.bottom.text");
gd = Utils.getWrappableLabelGridData(1,
GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_CENTER);
gd.horizontalIndent = 10;
lblBottom.setLayoutData(gd);
btnOk = new Button(cBottom, SWT.PUSH);
Messages.setLanguageText(btnOk, "Button.ok");
shell.setDefaultButton(btnOk);
btnOk.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
for (int i = 0; i < buttons.length; i++) {
if (buttons[i].getSelection()) {
ui = i;
break;
}
}
shell.dispose();
}
});
gd = new GridData(GridData.HORIZONTAL_ALIGN_END);
gd.widthHint = 80;
btnOk.setLayoutData(gd);
Point point = shell.computeSize(630, SWT.DEFAULT);
shell.setSize(point);
Utils.centreWindow(shell);
} catch (Exception e) {
e.printStackTrace();
}
|
| Methods Summary |
|---|
| public static void | main(java.lang.String[] args)
Display display = Display.getDefault();
UISwitcherWindow window = new UISwitcherWindow(null, false);
System.out.println(window.open());
| | public int | open()
shell.open();
while (!shell.isDisposed()) {
if (!shell.getDisplay().readAndDispatch()) {
shell.getDisplay().sleep();
}
}
return ui;
|
|
