/**
* Den Viewer erstellen
*
* @param c ViewerConfigurer, der die Funktionalität bereitstellt. Alle Felder des Configurers
* müssen vor Aufruf von create() gültig gesetzt sein.
* @param parent Parent.Komponente
* @param style SWT-Stil für das umgebende Composite
* @param input Input Objekt für den Viewer
*/
public void create(ViewerConfigurer c, Composite parent, int style, Object input) {
vc = c;
this.parent = parent;
Composite ret = new Composite(parent, style);
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
ret.setLayout(layout);
if (parent.getLayout() instanceof GridLayout) {
GridData gd =
new GridData(
GridData.GRAB_VERTICAL
| GridData.FILL_VERTICAL
| GridData.GRAB_HORIZONTAL
| GridData.FILL_HORIZONTAL);
ret.setLayoutData(gd);
}
ControlFieldProvider cfp = vc.getControlFieldProvider();
if (cfp != null) {
Composite ctlf = vc.getControlFieldProvider().createControl(ret);
ctlf.setLayoutData(SWTHelper.getFillGridData(1, true, 1, false));
}
viewer = vc.getWidgetProvider().createViewer(ret);
GridData gdView =
new GridData(
GridData.GRAB_HORIZONTAL
| GridData.FILL_HORIZONTAL
| GridData.GRAB_VERTICAL
| GridData.FILL_VERTICAL);
gdView.verticalAlignment = SWT.FILL;
viewer.setUseHashlookup(true);
viewer.getControl().setLayoutData(gdView);
viewer.setContentProvider(vc.getContentProvider());
viewer.setLabelProvider(vc.getLabelProvider());
viewer.addSelectionChangedListener(this);
if (vc.getDoubleClickListener() != null) {
viewer.addDoubleClickListener(vc.getDoubleClickListener());
}
bNew = vc.getButtonProvider().createButton(ret);
if (bNew != null) {
GridData gdNew = new GridData(GridData.GRAB_HORIZONTAL | GridData.FILL_HORIZONTAL);
bNew.setLayoutData(gdNew);
if (vc.getButtonProvider().isAlwaysEnabled() == false) {
bNew.setEnabled(false);
}
}
/*
* 3 viewer.getControl().addMouseListener(new MouseAdapter(){ public void
* mouseDoubleClick(MouseEvent e) { log.log("Doppelklick",Log.DEBUGMSG);
* ctl.doubleClicked(getSelection()); }});
*/
/*
* viewer.addDragSupport(DND.DROP_COPY,new Transfer[] {TextTransfer.getInstance()},
*/
new PersistentObjectDragSource(
viewer.getControl(),
new ISelectionRenderer() {
public List<PersistentObject> getSelection() {
Object[] sel = CommonViewer.this.getSelection();
ArrayList<PersistentObject> ret = new ArrayList<PersistentObject>(sel.length);
for (Object o : sel) {
if (o instanceof PersistentObject) {
ret.add((PersistentObject) o);
} else if (o instanceof Tree<?>) {
Object b = ((Tree<?>) o).contents;
if (b instanceof PersistentObject) {
ret.add((PersistentObject) b);
}
}
}
return ret;
}
});
if (mgr != null) {
viewer.getControl().setMenu(mgr.createContextMenu(viewer.getControl()));
}
vc.getContentProvider().init();
viewer.setInput(input);
viewer.getControl().pack();
composite = ret;
}
public void dispose() {
if (vc.getDoubleClickListener() != null)
viewer.removeDoubleClickListener(vc.getDoubleClickListener());
viewer.removeSelectionChangedListener(this);
}
