Hello,
I have a dialog class inherited from DialogBox and using UiBinder template
as the widget for it, which is set in the constructor
setWidget(uiBinder.createAndBindUi(this)). When the a dialog class instance
is shown using the center() method, the dialog is shown but it is not
properly centered, the top left corner of the dialog is at the exact center
of the browser window. If the same instance is shown second time, only then
it is centered as it should.
Second problem I have encountered is that I am not able to get DataGrid
sorting working programmatically. With the below code the DataGrid appears
with showing a list of usernames. The DataGrid header shows the sorting
triangle pointing upwards as if it were sorted, but the rows are in the
order as they were in the original list. However if the sorting triangle is
clicked on the header, the sorting works as it should. It's just that it
does not work when sorted programmatically.
*public* *class* AdministrationView *extends* Composite {
*private* *static* AdministrationViewUiBinder *uiBinder* = GWT.*create*
(AdministrationViewUiBinder.*class*);
*interface* AdministrationViewUiBinder *extends* UiBinder<Widget,
AdministrationView> {}
*private* TextColumn<User> tableColumn;
*private* Header<String> tableHeader;
*private* ListDataProvider<User> tableDataProvider;
*private* ListHandler<User> tableListHandler;
@UiField(provided = *true*) DataGrid<User> adminUsersTable;
*public* AdministrationView() {
setUpAdminUsersTable();
initWidget(*uiBinder*.createAndBindUi(*this*));
}
*public* *void* setAdminUserList(List<User> adminList) {
tableDataProvider.getList().clear();
tableDataProvider.getList().addAll(adminList);
*if*(tableListHandler == *null*) {
tableListHandler = *new* ListHandler<User>(tableDataProvider.getList());
tableListHandler.setComparator(tableColumn, *new*
User.UsernameComparator());
adminUsersTable.addColumnSortHandler(tableListHandler);
}
adminUsersTable.getColumnSortList().push(tableColumn);
}
*private* *void* setUpAdminUsersTable() {
adminUsersTable = *new* DataGrid<User>();
adminUsersTable.setSize("100%", "100%");
tableColumn = *new* TextColumn<User>() {
@Override
*public* String getValue(User object) {
*return* object.username;
}
};
tableColumn.setSortable(*true*);
tableHeader = *new* Header<String>(*new* TextCell()) {
@Override
*public* String getValue() {
*return* "User accounts";
}
};
adminUsersTable.addColumn(tableColumn, tableHeader);
adminUsersTable.setColumnWidth(0, 100, Unit.*PCT*);
tableDataProvider = *new* ListDataProvider<User>();
tableDataProvider.addDataDisplay(adminUsersTable);
}
}
*public* *class* User {
*public* *static* *class* UsernameComparator *implements*
Comparator<User> {
@Override
*public* *int* compare(User u1, User u2) {
String name1 = u1 == *null* ? *null* : u1.username;
String name2 = u2 == *null* ? *null* : u2.username;
name1 = name1 == *null* ? "" : name1;
name2 = name2 == *null* ? "" : name2;
*return* name1.compareToIgnoreCase(name2);
}
}
*public* Long userId;
*public* String username;
}
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