private static void updateSelectionListener(final Tree tree) throws IOException {
Boolean newValue = Boolean.valueOf(SelectionEvent.hasListener(tree));
String prop = PROP_SELECTION_LISTENERS;
if (WidgetLCAUtil.hasChanged(tree, prop, newValue, Boolean.FALSE)) {
JSWriter writer = JSWriter.getWriterFor(tree);
writer.set("selectionListeners", newValue);
}
}
private static void writeOverflow(final Tree tree) throws IOException {
boolean hasHChanged =
WidgetLCAUtil.hasChanged(tree, PROP_HAS_H_SCROLL_BAR, hasHScrollBar(tree), Boolean.TRUE);
boolean hasVChanged =
WidgetLCAUtil.hasChanged(tree, PROP_HAS_V_SCROLL_BAR, hasVScrollBar(tree), Boolean.TRUE);
if (hasHChanged || hasVChanged) {
boolean scrollX = hasHScrollBar(tree).booleanValue();
boolean scrollY = hasVScrollBar(tree).booleanValue();
String overflow;
if (scrollX && scrollY) {
overflow = "scroll";
} else if (scrollX) {
overflow = "scrollX";
} else if (scrollY) {
overflow = "scrollY";
} else {
overflow = "hidden";
}
JSWriter writer = JSWriter.getWriterFor(tree);
writer.set("treeOverflow", overflow);
}
}
private void writeColumnOrder(final Tree tree) throws IOException {
JSWriter writer = JSWriter.getWriterFor(tree);
int[] values = tree.getColumnOrder();
if (values.length > 0) {
Integer[] newValue = new Integer[values.length];
for (int i = 0; i < values.length; i++) {
newValue[i] = new Integer(values[i]);
}
if (WidgetLCAUtil.hasChanged(tree, PROP_COLUMN_ORDER, newValue, new Integer[] {})) {
writer.set(PROP_COLUMN_ORDER, "columnOrder", newValue, null);
}
}
}