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/****************************************************************************
**
** Copyright (C) 1992-$THISYEAR$ $TROLLTECH$. All rights reserved.
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "contactmodel.h"
#include "qmltypes.h"
ContactModel::ContactModel(QObject *parent) : QListModelInterface(parent)
{
QFile f("../contacts/contacts.txt");
f.open(QIODevice::ReadOnly);
QTextStream ts(&f);
QString text = ts.readLine();
while(!text.isEmpty()) {
Contact *c = new Contact;
QStringList list = text.split(" ");
c->setFirstName(list[0]);
c->setLastName(list[1]);
for (int i = 2; i < list.count(); ++i)
c->addEmail(list[i]);
//contactList.append(c);
insertContact(c);
text = ts.readLine();
}
f.close();
}
ContactModel::~ContactModel()
{
while (!contactList.isEmpty()) {
Contact *c = contactList.takeFirst();
delete c;
}
}
int ContactModel::count() const
{
return contactList.count();
}
QHash<int,QVariant> ContactModel::data(int index, const QList<int> &roles) const
{
QHash<int,QVariant> returnHash;
for (int i = 0; i < roles.size(); ++i) {
int role = roles.at(i);
QVariant info;
switch(role) {
case PortraitRole:
info = "contact.png";
break;
case FirstNameRole:
info = contactList.at(index)->firstName();
break;
case LastNameRole:
info = contactList.at(index)->lastName();
break;
case CompanyRole:
info = contactList.at(index)->company();
break;
case EmailsRole:
info = contactList.at(index)->emails();
break;
case AddressesRole:
//returns QVariant BOOL
info = QVariant::fromValue(contactList.at(index)->addresses());
break;
case NumbersRole:
info = QVariant::fromValue(contactList.at(index)->numbers());
break;
default:
break;
}
returnHash.insert(role, info);
}
return returnHash;
}
QString ContactModel::toString(int role) const
{
switch(role) {
case PortraitRole:
return "portrait";
case FirstNameRole:
return "firstName";
case LastNameRole:
return "lastName";
case CompanyRole:
return "company";
case EmailsRole:
return "emails";
case AddressesRole:
return "addresses";
case NumbersRole:
return "numbers";
default:
return "";
}
}
QList<int> ContactModel::roles() const
{
return QList<int>() << PortraitRole << FirstNameRole << LastNameRole << CompanyRole << EmailsRole << AddressesRole << NumbersRole;
}
void ContactModel::deleteContact(int index)
{
delete contactList.takeAt(index);
emit itemsRemoved(index, 1);
}
int ContactModel::insertContact(Contact *contact)
{
int index = 0;
QString fullName = contact->lastName();
index = findIndex(fullName);
contactList.insert(index, contact);
emit itemsInserted(index, 1);
return index;
}
//search - binary search algorithm lastname only
int ContactModel::findIndex(QString &searchName) const
{
int start = 0;
int end = contactList.size()-1;
int middle = 0;
QString middleString;
while (start <= end)
{
middle = (start+end)/2;
middleString = contactList.at(middle)->lastName();
if (isAfter(searchName, middleString) < 0) start = middle+1;
else if( isAfter(middleString, searchName) < 0) end = middle-1;
else return middle;
}
return start;
}
int ContactModel::isAfter(QString &name1, QString &name2) const
{
//if c1 is after c2 alphabetically, return positive
int compString = QString::compare(name1, name2, Qt::CaseInsensitive);
return -compString;
}
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