From 39ab4b74e29108da97af4449bd25ead0cba1dbdb Mon Sep 17 00:00:00 2001
From: Josef Rokos <pepa@bukova.info>
Date: Tue, 25 Apr 2017 21:30:51 +0200
Subject: [PATCH] Disable add/edit/delete buttons now possible.

---
 core/gridform.h    | 1 +
 core/igridform.cpp | 9 +++++++--
 core/igridform.h   | 4 ++++
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/core/gridform.h b/core/gridform.h
index 54642b8..1b089d4 100644
--- a/core/gridform.h
+++ b/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;
     }
diff --git a/core/igridform.cpp b/core/igridform.cpp
index 05d2c86..12cf933 100644
--- a/core/igridform.cpp
+++ b/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->btnDelete->setEnabled(true);
+        ui->btnEdit->setEnabled(canEditRecord());
+        ui->btnDelete->setEnabled(canDeleteRecord());
     }
 }
 
diff --git a/core/igridform.h b/core/igridform.h
index e419706..9c0970a 100644
--- a/core/igridform.h
+++ b/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();