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don't crash if the item list is empty

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svn path=/trunk/KDE/kdebase/runtime/; revision=1190003
This commit is contained in:
Marco Martin 2010-10-26 15:48:39 +00:00
parent 27bff00756
commit 7ec308a228
1 changed files with 8 additions and 6 deletions
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14
declarativeimports/core/datamodel.cpp
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@ -102,13 +102,15 @@ void DataModel::setItems(const QVariantList &list)
//convert to vector, so data() will be O(1)
m_items = list.toVector();
int role = Qt::UserRole;
m_roleNames.clear();
foreach (QString roleName, list.first().value<QVariantMap>().keys()) {
++role;
m_roleNames[role] = roleName.toLatin1();
if (!list.isEmpty()) {
int role = Qt::UserRole;
m_roleNames.clear();
foreach (QString roleName, list.first().value<QVariantMap>().keys()) {
++role;
m_roleNames[role] = roleName.toLatin1();
}
setRoleNames(m_roleNames);
}
setRoleNames(m_roleNames);
//make the declarative view reload everything,
//would be nice an incremental update but is not possible