--- a/ui/administratorwindow.cpp	Tue Apr 15 20:27:26 2014 +0200
+++ b/ui/administratorwindow.cpp	Wed Apr 16 10:01:02 2014 +0200
@@ -14,15 +14,22 @@
 #include <QCheckBox>
 #include <QHeaderView>
 #include <QFileDialog>
+#include <QStandardPaths>
+#include <QSortFilterProxyModel>
 
 #include "certificatetabledelegate.h"
 #include "createinstallerdialog.h"
 #include "createcertlistdialog.h"
 
 AdministratorWindow::AdministratorWindow() {
+    QString path = QStandardPaths::locate(
+        QStandardPaths::DataLocation, QString("certlist_last.txt"));
+    certList.readList(path.toLocal8Bit());
     createActions();
     createMenuBar();
     createContent();
+    loadCertificateTable();
+    resize(1110, 700);
 }
 
 void AdministratorWindow::createActions()
@@ -65,17 +72,18 @@
     QGroupBox *certBox = new QGroupBox(tr("Managed Certificates"));
     certificateView = new QTableView;
     certificateModel = new CertificateTabelModel();
+    QSortFilterProxyModel *filterModel = new QSortFilterProxyModel(this);
+    filterModel->setSourceModel(certificateModel);
     CertificateTableDelegate *delegate = new CertificateTableDelegate(certificateView);
-    certificateView->setModel(certificateModel);
+    certificateView->setModel(filterModel);
     certificateView->setItemDelegate(delegate);
-    certificateView->setColumnWidth(0, 50);
-    certificateView->setColumnWidth(2, 130);
-    certificateView->setColumnWidth(3, 130);
-    certificateView->setColumnWidth(4, 200);
+    certificateView->resizeColumnsToContents();
+    certificateView->setColumnWidth(0, 60);
     certificateView->setSelectionBehavior(QAbstractItemView::SelectRows);
     connect(certificateView, SIGNAL(clicked(const QModelIndex&)), this,
         SLOT(clickedCertificate(const QModelIndex&)));
     certificateView->verticalHeader()->setVisible(false);
+    certificateView->setSortingEnabled(true);
     certLayout->addWidget(certificateView);
     certBox->setLayout(certLayout);
 
@@ -119,8 +127,6 @@
     // managed in the central widget.
     base->setLayout(mainLayout);
     setCentralWidget(base);
-    certificateView->horizontalHeader()->setSectionResizeMode(1,
-        QHeaderView::Stretch);
 }
 
 void AdministratorWindow::loadCertificateFile()
@@ -133,6 +139,7 @@
         qDebug() << "Not a valid list.";
     }
     else {
+        certificateModel->removeAll();
         loadCertificateTable();
     }
 }
@@ -163,6 +170,8 @@
     foreach(const Certificate &cert, certList.getCertificates()) {
         certificateModel->addCertificate(cert, true);
     }
+    certificateView->resizeColumnsToContents();
+    certificateView->setColumnWidth(0, 60);
 }
 
 void AdministratorWindow::addToCertificateTable(const QList<Certificate> &certs)

--- a/ui/certificatetablemodel.cpp	Tue Apr 15 20:27:26 2014 +0200
+++ b/ui/certificatetablemodel.cpp	Wed Apr 16 10:01:02 2014 +0200
@@ -1,5 +1,7 @@
 #include "certificatetablemodel.h"
 
+#include <QFont>
+
 CertificateTabelModel::CertificateTabelModel(QObject *parent)
     : QAbstractTableModel(parent)
 {
@@ -31,14 +33,17 @@
         return false;
     }
     for (int i = row + count - 1; i >= row; i--) {
-        if (!certificates.at(i).isEditable()) {
-            certificates.removeAt(i);
-        }
+        certificates.removeAt(i);
     }
     endRemoveRows();
     return true;
 }
 
+bool CertificateTabelModel::removeAll()
+{
+    return removeRows(0, certificates.size(), QModelIndex());
+}
+
 QVariant CertificateTabelModel::data(const QModelIndex &index,
         int role) const
 {
@@ -66,6 +71,10 @@
         Certificate cert = certificates.at(index.row());
         return cert.isEditable();
     }
+    if (role == Qt::FontRole && index.column() == 7) {
+        QFont block("DejaVu Sans Mono");
+        return block;
+    }
 
     return QVariant();
 }

--- a/ui/certificatetablemodel.h	Tue Apr 15 20:27:26 2014 +0200
+++ b/ui/certificatetablemodel.h	Wed Apr 16 10:01:02 2014 +0200
@@ -19,6 +19,7 @@
 
     void addCertificate(const Certificate &certificate, bool editable);
     bool removeRows(int row, int count, const QModelIndex&);
+    bool removeAll();
     int rowCount(const QModelIndex &parent = QModelIndex()) const;
     int columnCount(const QModelIndex &parent = QModelIndex()) const;