SWT 和 JFace, 第 4 部分:ToolBar、SashForm 以及其他控件和对话框

0: BarApp {}
1: SashForm {}
2: Composite {}
3: SashForm {}
4: Composite {}
5: Label {Left Pane}
4: Composite {}
5: Label {Center Pane}
4: Composite {}
5: Label {Right Pane}
2: Composite {}
3: ToolBar {}
4: ToolItem {Open Tracker}
4: ToolItem {Check}
4: ToolItem {Drop}
4: ToolItem {}
4: ToolItem {Radio 1}
4: ToolItem {Radio 2}
4: ToolItem {Radio 3}
4: Label {}
3: CBanner {}
4: ToolBar {}
5: ToolItem {Press 1}
5: ToolItem {Check}
5: ToolItem {Drop}
5: ToolItem {}
5: ToolItem {Radio 1}
5: ToolItem {Radio 2}
5: ToolItem {Radio 3}
5: Label {}
4: ToolBar {}
5: ToolItem {Push 2}
5: ToolItem {Check}
5: ToolItem {Drop}
5: ToolItem {}
5: ToolItem {Radio 1}
5: ToolItem {Radio 2}
5: ToolItem {Radio 3}
5: Label {}
3: CBanner {}
4: ToolBar {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: Label {}
4: ToolBar {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: ToolItem {}
5: Label {}
3: CoolBar {}
4: CoolItem {Drop}
4: CoolItem {Drop}
4: CoolItem {Drop}
4: CoolItem {Drop}
4: CoolItem {Drop}
4: Button {Press Me 1}
4: Button {Press Me 2}
4: Button {Radio 1}
4: Button {Radio 2}
4: Button {Radio 3}
3: Link {<a href="http://www.somecorp.com">This is a link!</a>}
3: Composite {}
4: Button {File}
4: Button {Directory}
4: Button {Color}
4: Button {Font}

protected ToolBar createVToolBar(Composite parent, int style) {
return new ToolBar(parent, style | SWT.VERTICAL);
}

protected ToolBar createHToolBar(Composite parent, int style) {
return new ToolBar(parent, style | SWT.HORIZONTAL);
}

protected ToolItem createToolItem(ToolBar bar, int style, String text,
Image image, String tooltip,
SelectionListener listener) {
if (image != null && (text == null && tooltip == null)) {
throw new IllegalArgumentException("image only items require a tool tip");
}
ToolItem ti = new ToolItem(bar, style);
if (image != null) {
ti.setImage(image);
}
else {
if (text != null) {
ti.setText(text);
}
}
if (tooltip != null) {
ti.setToolTipText(tooltip);
}
if (listener != null) {
ti.addSelectionListener(listener);
}
return ti;
}

protected CoolBar createCoolBar(Composite parent, int style) {
return new CoolBar(parent, style);
}

protected CoolItem createCoolItem(CoolBar bar, int style, String text,
Image image, SelectionListener listener) {
CoolItem ci = new CoolItem(bar, style);
if (text != null) {
ci.setText(text);
}
if (image != null) {
ci.setImage(image);
}
return ci;
}

CoolBar cb = createCoolBar(..., SWT.FLAT);
:  // other CoolItems
CoolItem ci = createCoolItem(cb, SWT.FLAT,  "Drop", null, null);
Button b = createButton(cb, SWT.PUSH, "Press Me 1", null, new SelectionAdapter() {
public void widgetSelected(SelectionEvent se) {
menu.setVisible(true);
}
});
ci.setControl(b);     // associate Button with CoolItem
Menu m = new Menu(cb);
createMenuItem(m, SWT.PUSH, "Item 1", null, '1', true, null);
createMenuItem(m, SWT.PUSH, "Item 2", null, '2', true, null);
createMenuItem(m, SWT.PUSH, "Item 2", null, '3', true, null);
:  // other CoolItems

protected SashForm createSashForm(Composite parent, int style) {
SashForm sf = new SashForm(parent, style);
return sf;
}
protected SashForm createVSashForm(Composite parent) {
return createSashForm(parent, SWT.VERTICAL);
}
protected SashForm createHSashForm(Composite parent) {
return createSashForm(parent, SWT.HORIZONTAL);
}

protected CBanner createCBanner(Composite parent) {
return new CBanner(parent, SWT.NONE);
}

protected Link createLink(Composite parent, String text,
SelectionListener listener) {
Link l = new Link(parent, SWT.NONE);
if (text != null) {
l.setText(text);
}
if (listener != null) {
l.addSelectionListener(listener);
}
return l;
}

protected Tracker createTracker(Composite parent, int style) {
return createTracker(parent, style, null, null);
}
protected Tracker createTracker(Composite parent, int style,
ControlListener cl, KeyListener kl) {
Tracker t = new Tracker(parent, style);
if (cl != null) {
t.addControlListener(cl);
}
if (kl != null) {
t.addKeyListener(kl);
}
return t;
}

FileDialog fd = new FileDialog(getShell(), SWT.OPEN);
fd.setText("Sample File Dialog");
String path = fd.open();

DirectoryDialog dd = new DirectoryDialog(getShell(), SWT.NONE);
dd.setText("Sample Directory Dialog");
String path = dd.open();

ColorDialog cd = new ColorDialog(getShell(), SWT.NONE);
cd.setText("Sample Color Dialog");
RGB rgb = cd.open();

FontDialog fd = new FontDialog(getShell(), SWT.NONE);
fd.setText("Sample Font Dialog");
FontData d = fd.open();