public _SearchPage(
SearchDelegate <T> del,
Animation <float> animation
)
{
this.del = del;
this.animation = animation;
}
public _SearchPageRoute(SearchDelegate <T> del)
{
D.assert(del != null);
D.assert(del._route == null,
() => $"The {this.del.GetType()} instance is currently used by another active " +
"search. Please close that search by calling close() on the SearchDelegate " +
"before openening another search with the same delegate instance."
);
this.del = del;
this.del._route = this;
}
public static Future <T> showSearch <T>(
BuildContext context,
SearchDelegate <T> del,
string query = ""
)
{
D.assert(del != null);
D.assert(context != null);
del.query = query ?? del.query;
del._currentBody = _SearchBody.suggestions;
return(Navigator.of(context).push <T>(new _SearchPageRoute <T>(
del: del
)));
}