Make filtering useful

Add a custom QSortFilterProxyModel which filterAcceptsRow() returns true
if the uppermost parent matches the filter RegExp.

1 files changed, 6 insertions, 5 deletions

diff --git a/collectionwidget.cpp b/collectionwidget.cpp
index 0066e22..af75520 100644
--- a/collectionwidget.cpp
+++ b/collectionwidget.cpp
@@ -7,13 +7,14 @@
 #include <QVBoxLayout>
 
 #include "collectionwidget.h"
+#include "collectionwidgetproxy.h"
 
 CollectionWidget::CollectionWidget(QWidget *parent) : QWidget(parent){
     mView = new QTreeView;
     mModel = new QStandardItemModel(this);
-    mProxy = new QSortFilterProxyModel(this);
-    mProxy->setSourceModel(mModel);
-    mView->setModel(mProxy);
+    CollectionWidgetProxy *proxy = new CollectionWidgetProxy(this);
+    proxy->setSourceModel(mModel);
+    mView->setModel(proxy);
     mView->setSortingEnabled(true);
     mView->setAlternatingRowColors(true);
     QGroupBox *filterGB = new QGroupBox(tr("Filter"));
@@ -22,10 +23,10 @@ CollectionWidget::CollectionWidget(QWidget *parent) : QWidget(parent){
     filterGBL->addWidget(mFilter);
     QToolBar *filterTB = new QToolBar;
     QAction *clearFilter = new QAction(QIcon(":/clean_tampon.png"), tr("Clear filter"), this);
-    connect(clearFilter, &QAction::triggered, [this] { mFilter->clear(); proxy()->setFilterRegExp("");} );
+    connect(clearFilter, &QAction::triggered, [this, proxy] { mFilter->clear(); proxy->setFilterRegExp("");} );
     filterTB->addAction(clearFilter);
     QAction *activateFilter = new QAction(QIcon(":/stomp.png"), tr("Filter!"), this);
-    connect(activateFilter, &QAction::triggered, [this] { proxy()->setFilterRegExp(mFilter->text());} );
+    connect(activateFilter, &QAction::triggered, [this, proxy] { proxy->setFilterRegExp(mFilter->text());} );
     connect(mFilter, &QLineEdit::returnPressed, activateFilter, &QAction::trigger);
     filterTB->addAction(activateFilter);
     filterGBL->addWidget(filterTB);