make search sub-views re-usable (clear before starting a new search)

apps/opencs/model/tools/reportmodel.cpp

@@ -79,3 +79,13 @@ std::string CSMTools::ReportModel::getHint (int row) const
 {
     return mRows.at (row).second.second;
 }
+
+void CSMTools::ReportModel::clear()
+{
+    if (!mRows.empty())
+    {
+        beginRemoveRows (QModelIndex(), 0, mRows.size()-1);
+        mRows.clear();
+        endRemoveRows();
+    }
+}

apps/opencs/model/tools/reportmodel.hpp

@@ -34,6 +34,8 @@ namespace CSMTools
             const CSMWorld::UniversalId& getUniversalId (int row) const;
 
             std::string getHint (int row) const;
+
+            void clear();
     };
 }
 

apps/opencs/view/tools/reporttable.cpp

@@ -134,3 +134,8 @@ void CSVTools::ReportTable::removeSelection()
 
     selectionModel()->clear();
 }
+
+void CSVTools::ReportTable::clear()
+{
+    mModel->clear();
+}

apps/opencs/view/tools/reporttable.hpp

@@ -43,6 +43,8 @@ namespace CSVTools
 
             void updateUserSetting (const QString& name, const QStringList& list);
 
+            void clear();
+
         private slots:
 
             void showSelection();

apps/opencs/view/tools/searchsubview.cpp

@@ -54,5 +54,6 @@ void CSVTools::SearchSubView::stateChanged (int state, CSMDoc::Document *documen
 
 void CSVTools::SearchSubView::startSearch (const CSMTools::Search& search)
 {
+    mTable->clear();
     mDocument.runSearch (getUniversalId(), search);
 }