summaryrefslogtreecommitdiffstats
path: root/src/declarative/graphicsitems/qdeclarativelistview.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativelistview.cpp')
-rw-r--r--src/declarative/graphicsitems/qdeclarativelistview.cpp55
1 files changed, 49 insertions, 6 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativelistview.cpp b/src/declarative/graphicsitems/qdeclarativelistview.cpp
index 6b46bc5..6fd3b71 100644
--- a/src/declarative/graphicsitems/qdeclarativelistview.cpp
+++ b/src/declarative/graphicsitems/qdeclarativelistview.cpp
@@ -775,7 +775,6 @@ void QDeclarativeListViewPrivate::layout()
setPosition(0);
return;
}
- updateSections();
if (!visibleItems.isEmpty()) {
qreal oldEnd = visibleItems.last()->endPosition();
qreal pos = visibleItems.first()->endPosition() + spacing + 1;
@@ -934,6 +933,7 @@ void QDeclarativeListViewPrivate::createSection(FxListItem *listItem)
return;
if (listItem->attached->m_prevSection != listItem->attached->m_section) {
if (!listItem->section) {
+ qreal pos = listItem->position();
int i = sectionCacheSize-1;
while (i >= 0 && !sectionCache[i])
--i;
@@ -961,8 +961,10 @@ void QDeclarativeListViewPrivate::createSection(FxListItem *listItem)
delete context;
}
}
+ listItem->setPosition(pos);
}
} else if (listItem->section) {
+ qreal pos = listItem->position();
int i = 0;
do {
if (!sectionCache[i]) {
@@ -975,12 +977,13 @@ void QDeclarativeListViewPrivate::createSection(FxListItem *listItem)
} while (i < sectionCacheSize);
delete listItem->section;
listItem->section = 0;
+ listItem->setPosition(pos);
}
}
void QDeclarativeListViewPrivate::updateSections()
{
- if (sectionCriteria) {
+ if (sectionCriteria && !visibleItems.isEmpty()) {
QString prevSection;
if (visibleIndex > 0)
prevSection = sectionAt(visibleIndex-1);
@@ -990,6 +993,8 @@ void QDeclarativeListViewPrivate::updateSections()
if (visibleItems.at(i)->index != -1) {
QDeclarativeListViewAttached *attached = visibleItems.at(i)->attached;
attached->setPrevSection(prevSection);
+ QString propValue = model->stringValue(visibleItems.at(i)->index, sectionCriteria->property());
+ attached->setSection(sectionCriteria->sectionString(propValue));
if (prevAtt)
prevAtt->setNextSection(attached->section());
createSection(visibleItems.at(i));
@@ -1009,18 +1014,27 @@ void QDeclarativeListViewPrivate::updateSections()
void QDeclarativeListViewPrivate::updateCurrentSection()
{
+ Q_Q(QDeclarativeListView);
if (!sectionCriteria || visibleItems.isEmpty()) {
- currentSection.clear();
+ if (!currentSection.isEmpty()) {
+ currentSection.clear();
+ emit q->currentSectionChanged();
+ }
return;
}
int index = 0;
while (index < visibleItems.count() && visibleItems.at(index)->endPosition() < position())
++index;
+ QString newSection = currentSection;
if (index < visibleItems.count())
- currentSection = visibleItems.at(index)->attached->section();
+ newSection = visibleItems.at(index)->attached->section();
else
- currentSection = visibleItems.first()->attached->section();
+ newSection = visibleItems.first()->attached->section();
+ if (newSection != currentSection) {
+ currentSection = newSection;
+ emit q->currentSectionChanged();
+ }
}
void QDeclarativeListViewPrivate::updateCurrent(int modelIndex)
@@ -1551,6 +1565,7 @@ void QDeclarativeListView::setModel(const QVariant &model)
disconnect(d->model, SIGNAL(itemsInserted(int,int)), this, SLOT(itemsInserted(int,int)));
disconnect(d->model, SIGNAL(itemsRemoved(int,int)), this, SLOT(itemsRemoved(int,int)));
disconnect(d->model, SIGNAL(itemsMoved(int,int,int)), this, SLOT(itemsMoved(int,int,int)));
+ disconnect(d->model, SIGNAL(itemsChanged(int,int)), this, SLOT(itemsChanged(int,int)));
disconnect(d->model, SIGNAL(modelReset()), this, SLOT(modelReset()));
disconnect(d->model, SIGNAL(createdItem(int, QDeclarativeItem*)), this, SLOT(createdItem(int,QDeclarativeItem*)));
disconnect(d->model, SIGNAL(destroyingItem(QDeclarativeItem*)), this, SLOT(destroyingItem(QDeclarativeItem*)));
@@ -1581,6 +1596,7 @@ void QDeclarativeListView::setModel(const QVariant &model)
if (d->model) {
d->bufferMode = QDeclarativeListViewPrivate::BufferBefore | QDeclarativeListViewPrivate::BufferAfter;
if (isComponentComplete()) {
+ updateSections();
refill();
if (d->currentIndex >= d->model->count() || d->currentIndex < 0) {
setCurrentIndex(0);
@@ -1596,6 +1612,7 @@ void QDeclarativeListView::setModel(const QVariant &model)
connect(d->model, SIGNAL(itemsInserted(int,int)), this, SLOT(itemsInserted(int,int)));
connect(d->model, SIGNAL(itemsRemoved(int,int)), this, SLOT(itemsRemoved(int,int)));
connect(d->model, SIGNAL(itemsMoved(int,int,int)), this, SLOT(itemsMoved(int,int,int)));
+ connect(d->model, SIGNAL(itemsChanged(int,int)), this, SLOT(itemsChanged(int,int)));
connect(d->model, SIGNAL(modelReset()), this, SLOT(modelReset()));
connect(d->model, SIGNAL(createdItem(int, QDeclarativeItem*)), this, SLOT(createdItem(int,QDeclarativeItem*)));
connect(d->model, SIGNAL(destroyingItem(QDeclarativeItem*)), this, SLOT(destroyingItem(QDeclarativeItem*)));
@@ -1653,6 +1670,7 @@ void QDeclarativeListView::setDelegate(QDeclarativeComponent *delegate)
d->visibleItems.clear();
d->releaseItem(d->currentItem);
d->currentItem = 0;
+ updateSections();
refill();
d->moveReason = QDeclarativeListViewPrivate::SetIndex;
d->updateCurrent(d->currentIndex);
@@ -2066,8 +2084,10 @@ void QDeclarativeListView::setCacheBuffer(int b)
QDeclarativeViewSection *QDeclarativeListView::sectionCriteria()
{
Q_D(QDeclarativeListView);
- if (!d->sectionCriteria)
+ if (!d->sectionCriteria) {
d->sectionCriteria = new QDeclarativeViewSection(this);
+ connect(d->sectionCriteria, SIGNAL(propertyChanged()), this, SLOT(updateSections()));
+ }
return d->sectionCriteria;
}
@@ -2660,6 +2680,7 @@ void QDeclarativeListView::componentComplete()
{
Q_D(QDeclarativeListView);
QDeclarativeFlickable::componentComplete();
+ updateSections();
if (d->isValid()) {
refill();
d->moveReason = QDeclarativeListViewPrivate::SetIndex;
@@ -2676,6 +2697,18 @@ void QDeclarativeListView::componentComplete()
}
}
+void QDeclarativeListView::updateSections()
+{
+ Q_D(QDeclarativeListView);
+ if (isComponentComplete() && d->model) {
+ QList<QByteArray> roles;
+ if (d->sectionCriteria && !d->sectionCriteria->property().isEmpty())
+ roles << d->sectionCriteria->property().toUtf8();
+ d->model->setWatchedRoles(roles);
+ d->updateSections();
+ }
+}
+
void QDeclarativeListView::refill()
{
Q_D(QDeclarativeListView);
@@ -2885,6 +2918,7 @@ void QDeclarativeListView::itemsInserted(int modelIndex, int count)
for (int j = 0; j < added.count(); ++j)
added.at(j)->attached->emitAdd();
+ d->updateSections();
d->itemCount += count;
emit countChanged();
}
@@ -2977,6 +3011,7 @@ void QDeclarativeListView::itemsRemoved(int modelIndex, int count)
}
}
+ d->updateSections();
emit countChanged();
}
@@ -3098,6 +3133,14 @@ void QDeclarativeListView::itemsMoved(int from, int to, int count)
// Ensure we don't cause an ugly list scroll.
d->visibleItems.first()->setPosition(d->visibleItems.first()->position() + moveBy);
+ d->updateSections();
+ d->layout();
+}
+
+void QDeclarativeListView::itemsChanged(int, int)
+{
+ Q_D(QDeclarativeListView);
+ d->updateSections();
d->layout();
}