Update filter to work with table rows

Author: guilyx

src/publisher_select_dialog.cpp

@@ -1,17 +1,16 @@
 #include "publisher_select_dialog.h"
 #include <QStringList>
+#include <QTableWidgetItem>
+#include <QAbstractItemView>
 
 void PublisherSelectDialog::on_lineEditFilter_textChanged(const QString &search_string)
 {
   QStringList spaced_items = search_string.split(' ');
 
-  for (const auto &pair : _topic_widgets)
+  for (int row = 0; row < _ui->listTopics->rowCount(); row++)
   {
-    const std::string &topic_name = pair.first;
-    QLabel *label = pair.second.first;
-    QCheckBox *checkbox = pair.second.second;
-
-    QString name = QString::fromStdString(topic_name);
+    auto item = _ui->listTopics->item(row, 0);
+    QString name = item->text();
     bool toHide = false;
 
     for (const auto &item : spaced_items)
@@ -22,8 +21,12 @@ void PublisherSelectDialog::on_lineEditFilter_textChanged(const QString &search_
         break;
       }
     }
-
-    label->setVisible(!toHide);
-    checkbox->setVisible(!toHide);
+    _ui->listTopics->setRowHidden(row, toHide);
   }
 }
+
+void PublisherSelectDialog::on_listTopics_itemSelectionChanged()
+{
+  QModelIndexList indexes = _ui->listTopics->selectionModel()->selectedIndexes();
+  _ui->buttonBox->setEnabled(indexes.size() > 0);
+}