protected Control createPageArea(Composite parent) {
int numPages = fDescriptors.size();
fScopeParts = new ScopePart[numPages];
if (numPages == 0) {
Label label = new Label(parent, SWT.CENTER | SWT.WRAP);
label.setText(SearchMessages.SearchDialog_noSearchExtension);
return label;
}
fCurrentIndex = getPreferredPageIndex();
Composite composite = new Composite(parent, SWT.NONE);
composite.setFont(parent.getFont());
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
layout.marginWidth = 0;
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
TabFolder folder = new TabFolder(composite, SWT.NONE);
folder.setLayout(new TabFolderLayout());
folder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
folder.setFont(composite.getFont());
for (int i = 0; i < numPages; i++) {
SearchPageDescriptor descriptor = getDescriptorAt(i);
if (WorkbenchActivityHelper.filterItem(descriptor)) continue;
final TabItem item = new TabItem(folder, SWT.NONE);
item.setData("descriptor", descriptor); // $NON-NLS-1$
item.setText(descriptor.getLabel());
item.addDisposeListener(
new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
item.setData("descriptor", null); // $NON-NLS-1$
if (item.getImage() != null) item.getImage().dispose();
}
});
ImageDescriptor imageDesc = descriptor.getImage();
if (imageDesc != null) item.setImage(imageDesc.createImage());
if (i == fCurrentIndex) {
Control pageControl = createPageControl(folder, descriptor);
pageControl.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
item.setControl(pageControl);
fCurrentPage = descriptor.getPage();
fDialogSettings.put(STORE_PREVIOUS_PAGE, descriptor.getId());
}
}
folder.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
turnToPage(event);
}
});
folder.setSelection(fCurrentIndex);
return composite;
}
