nimqml/examples/contactapp/contactlist.nim

63 lines
2.0 KiB
Nim

import NimQml, Contact, Tables
QtObject:
type
ContactList* = ref object of QAbstractListModel
contacts*: seq[Contact]
ContactRoles {.pure.} = enum
FirstName = 0
Surname = 1
converter toCInt(value: ContactRoles): cint = return value.cint
converter toCInt(value: int): cint = return value.cint
converter toInt(value: ContactRoles): int = return value.int
converter toInt(value: cint): int = return value.int
converter toQVariant(value: string): QVariant = return value.newQVariant
proc delete(self: ContactList) =
let model = self.QAbstractListModel
model.delete
for contact in self.contacts:
contact.delete
self.contacts = @[]
proc newContactList*(): ContactList =
new(result, delete)
result.contacts = @[]
result.create
method rowCount(self: ContactList, index: QModelIndex = nil): cint =
return self.contacts.len
method data(self: ContactList, index: QModelIndex, role: cint): QVariant =
if not index.isValid:
return
if index.row < 0 or index.row >= self.contacts.len:
return
let contact = self.contacts[index.row]
let contactRole = role.ContactRoles
case contactRole:
of ContactRoles.FirstName: return contact.firstName
of ContactRoles.Surname: return contact.surname
else: return
method roleNames(self: ContactList): Table[cint, cstring] =
result = initTable[cint, cstring]()
result[ContactRoles.FirstName] = "firstName"
result[ContactRoles.Surname] = "surname"
method add*(self: ContactList, name: string, surname: string) {.slot.} =
let contact = newContact()
contact.firstName = name
contact.surname = surname
self.beginInsertRows(newQModelIndex(), self.contacts.len, self.contacts.len)
self.contacts.add(contact)
self.endInsertRows()
method del*(self: ContactList, pos: int) {.slot.} =
if pos < 0 or pos >= self.contacts.len:
return
self.beginRemoveRows(newQModelIndex(), pos, pos)
self.contacts.del(pos)
self.endRemoveRows