getNextFocus method
dynamic
getNextFocus(
- String key
)
Implementation
FocusNode getNextFocus(String key) {
int pos = 0;
String nextKey;
List<String> list = this.data.keys.toList();
if (key == null) {
nextKey = list.elementAt(pos);
} else if (this.data.containsKey(key)) {
pos = list.indexOf(key);
if (pos < list.length - 1) {
nextKey = list.elementAt(pos + 1);
}
}
for (var i = 0; i < (list.length - 1); i++) {
if (i > pos) {
String k1 = list.elementAt(i);
String k2 = list.elementAt(i + 1);
if (this.data[k1] is YekongaForm) {
this.data[k1].parentNextFocusNode = this.data[k2].getNextFocus(null);
}
}
}
if (nextKey != null) {
if (this.data[nextKey] is YekongaForm) {
return this.data[nextKey].getNextFocus(null);
} else if (this.focusNodes.containsKey(nextKey)) {
return this.focusNodes[nextKey];
}
}
if (this.parentNextFocusNode != null) {
return this.parentNextFocusNode;
}
return null;
}