/// <summary>
/// Disable or enable the controls based on the change policy
/// </summary>
/// <param name="sender">The sender of the event</param>
/// <param name="e">The event arguments</param>
private void dnNav_ChangePolicyModified(object sender, ChangePolicyEventArgs e)
{
if(pnlData.Enabled != e.AllowEdits || (e.AllowEdits == false && e.AllowAdditions == true))
{
pnlData.Enabled = e.AllowEdits;
// Allow or disallow additions based on the edit policy
dnNav.AllowAdditions = e.AllowEdits;
}
}
/// <summary>
/// This raises the <see cref="ChangePolicyModified"/> event for the control and calls the
/// <see cref="TemplateControl.ChangePolicyModified"> TemplateControl.ChangePolicyModified</see> method
/// in all initialized rows in the control including any header and footer templates.
/// </summary>
/// <param name="e">The event arguments</param>
protected internal virtual void OnChangePolicyModified(ChangePolicyEventArgs e)
{
TemplateControl tc;
int increment = (showSep) ? 2 : 1;
// Enable or disable Add and Delete based on the policy
btnAdd.Enabled = (changePolicy.AllowAdditions && listManager != null);
btnDelete.Enabled = (changePolicy.AllowDeletes && listManager != null && listManager.Count > 0);
var handler = ChangePolicyModified;
if(handler != null)
handler(this, e);
// Let all templates know about the change too
if(header != null)
header.ChangePolicyModified();
if(footer != null)
footer.ChangePolicyModified();
ControlCollection cc = pnlRows.Controls;
for(int idx = 0; idx < cc.Count; idx += increment)
{
tc = (TemplateControl)cc[idx];
if(tc.IsInitialized && !tc.IsNewRowInternal)
tc.ChangePolicyModified();
}
}
/// <summary>
/// This raises the <see cref="ChangePolicyModified"/> event for the control
/// </summary>
/// <param name="e">The event arguments</param>
protected internal virtual void OnChangePolicyModified(ChangePolicyEventArgs e)
{
// Enable or disable Add and Delete based on the policy
btnAdd.Enabled = (changePolicy.AllowAdditions && listManager != null);
btnDelete.Enabled = (changePolicy.AllowDeletes && listManager != null && listManager.Count > 0);
var handler = ChangePolicyModified;
if(handler != null)
handler(this, e);
}
