highlight previous session

This patch makes vmchooser hightlight the previous session run.
Selection of the session is only based on the session name.
The topmost session with the same name as the previous session will be highlighted.

1 files changed, 25 insertions, 1 deletions

diff --git a/src/dialog.cpp b/src/dialog.cpp
index 37b6fb6..6a931ca 100644
--- a/src/dialog.cpp
+++ b/src/dialog.cpp
@@ -3,7 +3,6 @@
 #include "save_restore_session.h"
 #include "sessiontreeitem.h"
 
-
 Dialog::Dialog(QWidget *parent) :
     QDialog(parent),
     ui(new Ui::Dialog)
@@ -181,5 +180,30 @@ void Dialog::on_comboBoxOthers_currentIndexChanged(int index)
     if (index > ui->comboBoxLecturer->currentIndex()) {
         ui->comboBoxLecturer->setCurrentIndex(index);
     }
+}
+
+void Dialog::selectSession(const QString& name) {
+    QModelIndex root(ui->treeView->rootIndex());
+
+    for (int i = 0; i < model_->rowCount(root); ++i) {
+        QModelIndex section = model_->index(i, 0, root);
+        if (!section.isValid()) break;
+        for (int row = 0; row < model_->rowCount(section); ++row) {
+            QModelIndex index = model_->index(row, 0, section);
+            if (!index.isValid()) break;
+
+            SessionTreeItem* item =
+                    static_cast<SessionTreeItem*>(index.internalPointer());
+            const Session* s(item->session());
+            if (!s) continue;
+            if (s->shortDescription() == name) {
+                ui->treeView->selectionModel()->setCurrentIndex(index, QItemSelectionModel::Select);
+                return;
+            }
+        }
+    }
+}
 
+void Dialog::selectPreviousSession() {
+    selectSession(readSessionName());
 }