qmljseditor: do not complete private properties

Private properties (starting with __) are not offered as completion
unless one has already typed __*

Change-log: [Qml/JS Support] Do not show properties starting with "__" in auto-completion.

Change-Id: Iecf4c2ee5c14f12a45a26479328862d6a50b3ffb
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

src/plugins/qmljseditor/qmljscompletionassist.cpp

@@ -974,6 +974,19 @@ struct QmlJSLessThan
 // -------------------------
 // QmlJSAssistProposalModel
 // -------------------------
+void QmlJSAssistProposalModel::filter(const QString &prefix)
+{
+    BasicProposalItemListModel::filter(prefix);
+    if (prefix.startsWith(QLatin1String("__")))
+        return;
+    QList<BasicProposalItem *> newCurrentItems;
+    newCurrentItems.reserve(m_currentItems.size());
+    foreach (BasicProposalItem *item, m_currentItems)
+        if (!item->text().startsWith(QLatin1String("__")))
+            newCurrentItems << item;
+    m_currentItems = newCurrentItems;
+}
+
 void QmlJSAssistProposalModel::sort()
 {
     qSort(currentItems().first, currentItems().second, QmlJSLessThan());

src/plugins/qmljseditor/qmljscompletionassist.h

@@ -69,6 +69,7 @@ public:
         : TextEditor::BasicProposalItemListModel(items)
     {}
 
+    virtual void filter(const QString &prefix);
     virtual void sort();
     virtual bool keepPerfectMatch(TextEditor::AssistReason reason) const;
 };

src/plugins/texteditor/codeassist/basicproposalitemlistmodel.cpp

@@ -121,8 +121,8 @@ BasicProposalItemListModel::BasicProposalItemListModel()
 {}
 
 BasicProposalItemListModel::BasicProposalItemListModel(const QList<BasicProposalItem *> &items)
-    : m_originalItems(items)
+    : m_currentItems(items)
-    , m_currentItems(items)
+    , m_originalItems(items)
 {
     mapPersistentIds();
 }

src/plugins/texteditor/codeassist/basicproposalitemlistmodel.h

@@ -69,13 +69,13 @@ public:
 protected:
     typedef QList<BasicProposalItem *>::iterator ItemIterator;
     QPair<ItemIterator, ItemIterator> currentItems();
+    QList<BasicProposalItem *> m_currentItems;
 
 private:
     void mapPersistentIds();
 
     QHash<QString, int> m_idByText;
     QList<BasicProposalItem *> m_originalItems;
-    QList<BasicProposalItem *> m_currentItems;
 };
 
 } // TextEditor