protected void newFolderButtonPressed() {
Object createdFolder = createFolder(fSelectedContainer);
if (createdFolder != null) {
CheckboxTreeViewer treeViewer = fViewer;
treeViewer.refresh(fSelectedContainer);
treeViewer.reveal(createdFolder);
treeViewer.setChecked(createdFolder, true);
treeViewer.setSelection(new StructuredSelection(createdFolder));
updateOKStatus();
}
}
protected void forceExistingChecked(CheckStateChangedEvent event) {
if (fExisting != null) {
Object elem = event.getElement();
if (fExisting.contains(elem)) {
fViewer.setChecked(elem, true);
}
}
}
private void updateNewFolderButtonState() {
IStructuredSelection selection = (IStructuredSelection) fViewer.getSelection();
fSelectedContainer = null;
if (selection.size() == 1) {
Object first = selection.getFirstElement();
if (first instanceof IContainer) {
fSelectedContainer = (IContainer) first;
}
}
fNewFolderButton.setEnabled(fSelectedContainer != null);
}
/*
* @see SelectionStatusDialog#computeResult()
*/
protected void computeResult() {
Object[] checked = fViewer.getCheckedElements();
if (fExisting == null) {
if (checked.length == 0) {
checked = null;
}
} else {
ArrayList res = new ArrayList();
for (int i = 0; i < checked.length; i++) {
Object elem = checked[i];
if (!fExisting.contains(elem)) {
res.add(elem);
}
}
if (!res.isEmpty()) {
checked = res.toArray();
} else {
checked = null;
}
}
setSelectionResult(checked);
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets
* .Composite)
*/
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
createMessageArea(composite);
CheckboxTreeViewer treeViewer = createTreeViewer(composite);
GridData data = new GridData(GridData.FILL_BOTH);
data.widthHint = convertWidthInCharsToPixels(60);
data.heightHint = convertHeightInCharsToPixels(18);
Tree treeWidget = treeViewer.getTree();
treeWidget.setLayoutData(data);
treeWidget.setFont(composite.getFont());
Button button = new Button(composite, SWT.PUSH);
button.setText(NewWizardMessages.MultipleFolderSelectionDialog_button);
button.addSelectionListener(
new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
newFolderButtonPressed();
}
});
button.setFont(composite.getFont());
fNewFolderButton = button;
treeViewer.addSelectionChangedListener(this);
if (fExisting != null) {
Object[] existing = fExisting.toArray();
treeViewer.setGrayedElements(existing);
setInitialSelections(existing);
}
if (fFocusElement != null) {
treeViewer.setSelection(new StructuredSelection(fFocusElement), true);
}
treeViewer.addCheckStateListener(
new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
forceExistingChecked(event);
}
});
applyDialogFont(composite);
return composite;
}
/**
* Creates the tree viewer.
*
* @param parent the parent composite
* @return the tree viewer
*/
protected CheckboxTreeViewer createTreeViewer(Composite parent) {
fViewer = new CheckboxTreeViewer(parent, SWT.BORDER);
fViewer.setContentProvider(fContentProvider);
fViewer.setLabelProvider(fLabelProvider);
fViewer.addCheckStateListener(
new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
updateOKStatus();
}
});
fViewer.setComparator(new ResourceComparator(ResourceComparator.NAME));
if (fFilters != null) {
for (int i = 0; i != fFilters.size(); i++) fViewer.addFilter((ViewerFilter) fFilters.get(i));
}
fViewer.setInput(fInput);
return fViewer;
}
