QmlDesigner: Add item library section visibility

Search is working again

Change-Id: Ie6d52f476e2b9b5c3256bc289bcdd5dcadafea93
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>

share/qtcreator/qmldesigner/itemLibraryQmlSources/ItemsView.qml

@@ -103,6 +103,7 @@ ScrollView {
                 delegate: Section {
                     width: itemsView.viewport.width
                     caption: sectionName // to be set by model
+                    visible: sectionVisible
                     Grid {
                         id: itemGrid
 

src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.cpp

@@ -76,17 +76,17 @@ ItemLibraryModel::~ItemLibraryModel()
 
 int ItemLibraryModel::rowCount(const QModelIndex & /*parent*/) const
 {
-    return visibleSectionCount();
+    return m_sectionModels.count();
 }
 
 QVariant ItemLibraryModel::data(const QModelIndex &index, int role) const
 {
-    if (!index.isValid() || index.row() +1 > visibleSectionCount())
+    if (!index.isValid() || index.row() +1 > m_sectionModels.count())
         return QVariant();
 
 
     if (m_roleNames.contains(role)) {
-        QVariant value = visibleSections().at(index.row())->property(m_roleNames.value(role));
+        QVariant value = m_sectionModels.at(index.row())->property(m_roleNames.value(role));
 
         ItemLibrarySectionModel* model = qobject_cast<ItemLibrarySectionModel *>(value.value<QObject*>());
         if (model)
@@ -170,6 +170,7 @@ void ItemLibraryModel::update(ItemLibraryInfo *itemLibraryInfo, Model *model)
         }
     }
 
+    resetModel();
     updateVisibility();
 }
 
@@ -250,14 +251,15 @@ void ItemLibraryModel::updateVisibility()
         if (itemLibrarySection->sectionName().toLower().contains(m_searchText))
             sectionSearchText.clear();
 
-        bool sectionChanged = false,
-            sectionVisibility = itemLibrarySection->updateSectionVisibility(sectionSearchText,
-                                                                      &sectionChanged);
-        if (sectionChanged)
-            changed = true;
-
+        bool sectionChanged = false;
+        bool sectionVisibility = itemLibrarySection->updateSectionVisibility(sectionSearchText,
+                                                                             &sectionChanged);
+        changed |= sectionChanged;
         changed |= itemLibrarySection->setVisible(sectionVisibility);
     }
+
+    if (changed)
+        resetModel();
 }
 
 void ItemLibraryModel::addRoleNames()
@@ -272,6 +274,12 @@ void ItemLibraryModel::addRoleNames()
     setRoleNames(m_roleNames);
 }
 
+void ItemLibraryModel::resetModel()
+{
+    beginResetModel();
+    endResetModel();
+}
+
 int ItemLibraryModel::getWidth(const ItemLibraryEntry &itemLibraryEntry)
 {
     foreach (const ItemLibraryEntry::Property &property, itemLibraryEntry.properties())

src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h

@@ -85,6 +85,7 @@ signals:
 private: // functions
     void updateVisibility();
     void addRoleNames();
+    void resetModel();
 
     int getWidth(const ItemLibraryEntry &entry);
     int getHeight(const ItemLibraryEntry &entry);

src/plugins/qmldesigner/components/itemlibrary/itemlibrarysection.cpp

@@ -83,19 +83,17 @@ bool ItemLibrarySection::updateSectionVisibility(const QString &searchText, bool
     foreach(ItemLibraryItem *itemLibraryItem, m_sectionEntries.items()) {
         bool itemVisible = itemLibraryItem->itemName().toLower().contains(searchText);
 
-        bool itemChanged = false;
-        itemChanged = itemLibraryItem->setVisible(itemVisible);
+        bool itemChanged = itemLibraryItem->setVisible(itemVisible);
 
         *changed |= itemChanged;
 
         if (itemVisible)
             haveVisibleItems = true;
     }
+
     if (changed)
         m_sectionEntries.resetModel();
 
-    emit sectionEntriesChanged();
-
     return haveVisibleItems;
 }
 

src/plugins/qmldesigner/components/itemlibrary/itemlibrarysectionmodel.cpp

@@ -90,6 +90,8 @@ const QList<ItemLibraryItem *> &ItemLibrarySectionModel::items() const
 
 void ItemLibrarySectionModel::resetModel()
 {
+    beginResetModel();
+    endResetModel();
     emit dataChanged(QModelIndex(), QModelIndex());
 }