/** @param cloudTreeViewer */
private void createViewer() {
viewer = new CloudViewer(this, SWT.FLAT | SWT.MULTI);
viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
viewer.setContentProvider(new CloudContentProvider());
viewer.setLabelProvider(new CloudLabelProvider());
CloudListener cloudListener = new CloudListener();
viewer.getControl().addKeyListener(cloudListener);
viewer.getControl().addMouseListener(cloudListener);
viewer.getControl().setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
}
public void refresh() {
this.flat = input.isFlat();
if (flat) {
viewer.setInput(input.getRoot());
}
refreshBreadCrumb();
viewer.refresh();
if (viewer.getInput() == input.getRoot())
viewer.setSelection(new StructuredSelection(new Object[] {input.getRoot()}), true);
// if (viewer.getCloud().getItems().length > 0) {
// viewer.setSelection(new StructuredSelection(viewer.getCloud().getItems()[0].getData()),
// true);
// }
}
public void setInput(TagsTree input) {
if (this.input == input) {
return;
}
this.flat = input.isFlat();
this.input = input;
viewer.setInput(input.getRoot());
refresh();
}
private void refreshBreadCrumb() {
String linkText = "";
TagTreeItem current = (TagTreeItem) viewer.getInput();
int parentNum = 0;
while (current != null) {
String text = current.getName();
int dot = text.lastIndexOf('.');
if (dot > 0 && dot < text.length() - 1) {
text = text.substring(dot + 1);
}
linkText = "<a href=\"" + parentNum + "\">" + text + "</a>" + linkText;
if (current.getParent() != null && current.getParent() != input.getRoot()) {
linkText = "." + linkText;
} else {
linkText = " " + linkText;
}
current = current.getParent();
parentNum++;
}
formText.setText("<form><p>" + linkText + "</p></form>", true, false);
}
public ISelection getSelection() {
return viewer.getSelection();
}