Implement filtering

Well, as it turns out, QSortFilterProxyModel isn't the weapon of choice
for this. Implement it by creating a separate model which is populated
by SQL-Queries.

1 files changed, 40 insertions, 3 deletions

diff --git a/beetplayerproxy.cpp b/beetplayerproxy.cpp
index 115bd3a..574713f 100644
--- a/beetplayerproxy.cpp
+++ b/beetplayerproxy.cpp
@@ -7,13 +7,50 @@ BeetPlayerProxy::BeetPlayerProxy(QObject *parent) : QSortFilterProxyModel(parent
 }
 
 bool BeetPlayerProxy::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const{
+    if(filterRegExp().isEmpty()){
+        return true;
+    }
     QRegExp filter = filterRegExp();
     QModelIndex curIdx = sourceModel()->index(source_row, 0, source_parent);
-    while(curIdx.isValid()){
-        if(curIdx.data().toString().contains(filter)){
+    return recurseChildren(curIdx);
+}
+
+bool BeetPlayerProxy::recurseChildren(QModelIndex parent) const{
+    static bool retval = false;
+    if(parent.data().toString().contains(filterRegExp())){
+        qDebug() << "found:" << parent.data();
+        retval = true;
+    }else{
+        retval = false;
+    }
+    for(int i = 0; i < sourceModel()->rowCount(parent); ++i){
+        QModelIndex cur = sourceModel()->index(i, 0, parent);
+        //qDebug() << cur.data();
+        if(cur.data().toString().contains(filterRegExp())){
+            retval = true;
+        }
+        if(sourceModel()->hasChildren(cur)){
+            recurseChildren(cur);
+        }
+    }
+    return retval;
+}
+
+bool BeetPlayerProxy::hasValidChild(QModelIndex parent) const{
+    QModelIndex curIdx = parent;
+    if(curIdx.isValid()){
+        if(curIdx.data().toString().contains(filterRegExp())){
+            qDebug() << "found:" << curIdx.data();
             return true;
         }
-        curIdx = curIdx.parent();
+        qDebug() << parent.data() << sourceModel()->rowCount(curIdx);
+        for(int i = 0; i < sourceModel()->rowCount(curIdx); ++i){
+            curIdx = sourceModel()->index(i, 0, curIdx);
+            //qDebug() << "in for:" << curIdx.data() << i;
+            if(sourceModel()->hasChildren(curIdx)){
+                hasValidChild(curIdx);
+            }
+        }
     }
     return false;
 }