/// <summary>
/// OnErrorClicked is invoked when an error in the ValidationSummary is clicked, via either the mouse or keyboard.
/// </summary>
/// <param name="e">The FocusingInvalidControlEventArgs for the event.</param>
protected virtual void OnFocusingInvalidControl(FocusingInvalidControlEventArgs e)
{
EventHandler <FocusingInvalidControlEventArgs> handler = this.FocusingInvalidControl;
if (handler != null)
{
handler(this, e);
}
}
private void ExecuteClick(object sender)
{
ListBox lb = sender as ListBox;
if (lb != null)
{
ValidationSummaryItem vsi = lb.SelectedItem as ValidationSummaryItem;
if (vsi != null && this.FocusControlsOnClick)
{
int idx;
// Ensure the currently selected item source is valid
if (vsi.Sources.Count == 0)
{
// Clear the current ESI source if the ESI has none, such as when the ESI has changed
this._currentValidationSummaryItemSource = null;
}
else
{
// If the current ESI source is not part of the current set, select the first one by default.
idx = FindMatchingErrorSource(vsi.Sources, this._currentValidationSummaryItemSource);
if (idx < 0)
{
this._currentValidationSummaryItemSource = vsi.Sources[0];
}
}
// Raise the event
FocusingInvalidControlEventArgs e = new FocusingInvalidControlEventArgs(vsi, this._currentValidationSummaryItemSource);
this.OnFocusingInvalidControl(e);
// Raise the AutomationPeer event
ValidationSummaryAutomationPeer peer = ValidationSummaryAutomationPeer.FromElement(this) as ValidationSummaryAutomationPeer;
if (peer != null && AutomationPeer.ListenerExists(AutomationEvents.InvokePatternOnInvoked))
{
peer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
// Focus the target, which will usually be the current ESI source or the overwritten one
if (!e.Handled && e.Target != null && e.Target.Control != null)
{
e.Target.Control.Focus();
}
// Update currently selected item, but only if there are multiple ESI sources.
if (vsi.Sources.Count > 0)
{
idx = FindMatchingErrorSource(vsi.Sources, e.Target);
idx = idx < 0 ? 0 : ++idx % vsi.Sources.Count;
this._currentValidationSummaryItemSource = vsi.Sources[idx];
}
}
}
}
internal void ValidationSummary_FocusingInvalidControl(object sender, FocusingInvalidControlEventArgs e)
{
_grid.ValidationSummary_FocusingInvalidControl(sender, e);
}
/// <summary>
/// Handles the ValidationSummary's FocusingInvalidControl event and begins edit on the cells
/// that are associated with the selected error.
/// </summary>
/// <param name="sender">ValidationSummary</param>
/// <param name="e">FocusingInvalidControlEventArgs</param>
private void ValidationSummary_FocusingInvalidControl(object sender, FocusingInvalidControlEventArgs e)
{
Debug.Assert(this._validationSummary != null);
if (this.EditingRow == null || !ScrollSlotIntoView(this.EditingRow.Slot, false /*scrolledHorizontally*/))
{
return;
}
// We need to focus the DataGrid in case the focused element gets removed when we end edit.
if ((this._editingColumnIndex == -1 || (Focus() && EndCellEdit(DataGridEditAction.Commit, true, true, true)))
&& e.Item != null && e.Target != null && this._validationSummary.Errors.Contains(e.Item))
{
DataGridCell cell = e.Target.Control as DataGridCell;
if (cell != null && cell.OwningGrid == this && cell.OwningColumn != null && cell.OwningColumn.IsVisible)
{
Debug.Assert(cell.ColumnIndex >= 0 && cell.ColumnIndex < this.ColumnsInternal.Count);
// Begin editing the next relevant cell
UpdateSelectionAndCurrency(cell.ColumnIndex, this.EditingRow.Slot, DataGridSelectionAction.None, true /*scrollIntoView*/);
if (this._successfullyUpdatedSelection)
{
BeginCellEdit(new RoutedEventArgs());
if (!IsColumnDisplayed(this.CurrentColumnIndex))
{
ScrollColumnIntoView(this.CurrentColumnIndex);
}
}
}
e.Handled = true;
}
}
internal void ValidationSummary_FocusingInvalidControl(object sender, FocusingInvalidControlEventArgs e)
{
_grid.ValidationSummary_FocusingInvalidControl(sender, e);
}
private void ExecuteClick(object sender)
{
ListBox lb = sender as ListBox;
if (lb != null)
{
ValidationSummaryItem vsi = lb.SelectedItem as ValidationSummaryItem;
if (vsi != null && this.FocusControlsOnClick)
{
int idx;
// Ensure the currently selected item source is valid
if (vsi.Sources.Count == 0)
{
// Clear the current ESI source if the ESI has none, such as when the ESI has changed
this._currentValidationSummaryItemSource = null;
}
else
{
// If the current ESI source is not part of the current set, select the first one by default.
idx = FindMatchingErrorSource(vsi.Sources, this._currentValidationSummaryItemSource);
if (idx < 0)
{
this._currentValidationSummaryItemSource = vsi.Sources[0];
}
}
// Raise the event
FocusingInvalidControlEventArgs e = new FocusingInvalidControlEventArgs(vsi, this._currentValidationSummaryItemSource);
this.OnFocusingInvalidControl(e);
// Raise the AutomationPeer event
ValidationSummaryAutomationPeer peer = ValidationSummaryAutomationPeer.FromElement(this) as ValidationSummaryAutomationPeer;
if (peer != null && AutomationPeer.ListenerExists(AutomationEvents.InvokePatternOnInvoked))
{
peer.RaiseAutomationEvent(AutomationEvents.InvokePatternOnInvoked);
}
// Focus the target, which will usually be the current ESI source or the overwritten one
if (!e.Handled && e.Target != null && e.Target.Control != null)
{
e.Target.Control.Focus();
}
// Update currently selected item, but only if there are multiple ESI sources.
if (vsi.Sources.Count > 0)
{
idx = FindMatchingErrorSource(vsi.Sources, e.Target);
idx = idx < 0 ? 0 : ++idx % vsi.Sources.Count;
this._currentValidationSummaryItemSource = vsi.Sources[idx];
}
}
}
}
/// <summary>
/// OnErrorClicked is invoked when an error in the ValidationSummary is clicked, via either the mouse or keyboard.
/// </summary>
/// <param name="e">The FocusingInvalidControlEventArgs for the event.</param>
protected virtual void OnFocusingInvalidControl(FocusingInvalidControlEventArgs e)
{
EventHandler<FocusingInvalidControlEventArgs> handler = this.FocusingInvalidControl;
if (handler != null)
{
handler(this, e);
}
}
//
// Summary:
// Raises the System.Windows.Controls.ValidationSummary.FocusingInvalidControl event.
//
// Parameters:
// e:
// The event data.
protected virtual void OnFocusingInvalidControl(FocusingInvalidControlEventArgs e)
{
}
