Disable add/edit/delete buttons now possible.

core/gridform.h

@@ -111,6 +111,7 @@ public slots:
 
         connect(tableView()->horizontalHeader(), SIGNAL(sectionResized(int,int,int)), this, SLOT(widthChanged(int,int,int)));
         hideColumns(hide);
+        enableButtons();
 
         return !m_permissionDenied;
     }

core/igridform.cpp

@@ -71,6 +71,11 @@ QWidget *IGridForm::filterWidget()
     return ui->filterWidget;
 }
 
+void IGridForm::enableButtons()
+{
+    ui->btnNew->setEnabled(canAddRecord());
+}
+
 
 void IGridForm::on_btnNew_clicked()
 {
@@ -143,8 +148,8 @@ void IGridForm::on_tableView_clicked(const QModelIndex &)
 {
     if (ui->tableView->currentIndex().isValid())
     {
-        ui->btnEdit->setEnabled(true);
+        ui->btnEdit->setEnabled(canEditRecord());
-        ui->btnDelete->setEnabled(true);
+        ui->btnDelete->setEnabled(canDeleteRecord());
     }
 }
 

core/igridform.h

@@ -41,8 +41,12 @@ protected:
     virtual void handleNewRecord() = 0;
     virtual void handleEditRecord() = 0;
     virtual void handleDeleteRecord() = 0;
+    virtual bool canAddRecord() { return true; }
+    virtual bool canEditRecord() { return true; }
+    virtual bool canDeleteRecord() { return true; }
     void hideColumns(const QList<int> &cols);
     QWidget *filterWidget();
+    void enableButtons();
 
 private slots:
     void on_btnNew_clicked();