X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/23fff35aeb4143b73666471d7f79f30d808e2cf2..fc4315d57e8fe64d05aad2a1c24800f0149b21da:/src/kitemviews/kstandarditem.cpp

diff --git a/src/kitemviews/kstandarditem.cpp b/src/kitemviews/kstandarditem.cpp
index d7f9217bf..6cb5b049b 100644
--- a/src/kitemviews/kstandarditem.cpp
+++ b/src/kitemviews/kstandarditem.cpp
@@ -103,11 +103,19 @@ QString KStandardItem::group() const
 
 void KStandardItem::setDataValue(const QByteArray& role, const QVariant& value)
 {
+    const QVariant previous = m_data.value(role);
+    if (previous == value) {
+        return;
+    }
+
     m_data.insert(role, value);
+    onDataValueChanged(role, value, previous);
+
     if (m_model) {
         const int index = m_model->index(this);
         QSet<QByteArray> changedRoles;
         changedRoles.insert(role);
+        m_model->onItemChanged(index, changedRoles);
         emit m_model->itemsChanged(KItemRangeList() << KItemRange(index, 1), changedRoles);
     }
 }
@@ -130,7 +138,9 @@ KStandardItem* KStandardItem::parent() const
 
 void KStandardItem::setData(const QHash<QByteArray, QVariant>& values)
 {
+    const QHash<QByteArray, QVariant> previous = m_data;
     m_data = values;
+    onDataChanged(values, previous);
 }
 
 QHash<QByteArray, QVariant> KStandardItem::data() const
@@ -142,3 +152,20 @@ QList<KStandardItem*> KStandardItem::children() const
 {
     return m_children;
 }
+
+void KStandardItem::onDataValueChanged(const QByteArray& role,
+                                       const QVariant& current,
+                                       const QVariant& previous)
+{
+    Q_UNUSED(role);
+    Q_UNUSED(current);
+    Q_UNUSED(previous);
+}
+
+void KStandardItem::onDataChanged(const QHash<QByteArray, QVariant>& current,
+                                  const QHash<QByteArray, QVariant>& previous)
+{
+    Q_UNUSED(current);
+    Q_UNUSED(previous);
+}
+