/*=========================*/
#endregion
#region Public Methods
/*=========================*/
/// <summary>
///
/// </summary>
/// <param name="tempContent">
/// A version (copy) of the object that the input controls will directly affect, based on bindings in the ContentTemplate.
/// This will be applied to the Content property and can be used in the ApplyingChanges event
/// handler to validate the changes.
/// </param>
/// <param name="targetContent">
/// The object to which changes will be applied when ApplyChanges is called.
/// </param>
public void BeginEdit(object tempContent, object targetContent)
{
if (this.IsOpen)
{
throw new InvalidOperationException("Dialog is already open");
}
// Don't mark as changed while applying changes
SetValue(TargetContentProperty, targetContent);
this.Content = tempContent;
ApplyBatchCheckboxes(false);
// Force a focus of the selected tab, if present
TabControl tabs = VisualTree.GetChild <TabControl>(this);
if (tabs != null)
{
for (int i = 0; i < tabs.Items.Count; i++)
{
TabItem tab = tabs.ItemContainerGenerator.ContainerFromIndex(i) as TabItem;
if (tab != null && tab.IsSelected)
{
tab.RaiseEvent(new RoutedEventArgs(TabItem.GotFocusEvent));
break;
}
}
}
IsOpen = true;
}
/// <summary>
///
/// </summary>
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
// Apply event handlers if available
_buttonOk = VisualTree.GetChild <Button>(this, "_buttonOK");
_buttonCancel = VisualTree.GetChild <Button>(this, "_buttonCancel");
_buttonApply = VisualTree.GetChild <Button>(this, "_buttonApply");
if (_buttonOk != null)
{
_buttonOk.Click += new RoutedEventHandler(buttonOK_Click);
}
if (_buttonCancel != null)
{
_buttonCancel.Click += new RoutedEventHandler(buttonCancel_Click);
}
if (_buttonApply != null)
{
_buttonApply.Click += new RoutedEventHandler(buttonApply_Click);
}
if (_bindings != null && _bindings.Count == 0)
{
GetDialogFieldBindings();
}
}
void AutocompleteCombo_Loaded(object sender, RoutedEventArgs e)
{
_textbox = VisualTree.GetChild <TextBox>(this);
if (_textbox != null)
{
_textbox.TextChanged += new TextChangedEventHandler(_textbox_TextChanged);
}
//if (ItemsSourceRequired != null)
// ItemsSourceRequired(this, EventArgs.Empty);
}
/// <summary>
///
/// </summary>
private void _listView_SizeChanged(object sender, SizeChangedEventArgs e)
{
// Only relevant to grid views
if (!(_listView.View is GridView))
{
return;
}
GridView grid = _listView.View as GridView;
// Only relevant for width
if (e != null && !e.WidthChanged)
{
return;
}
// Get all AutoSize columns
List <GridViewColumn> columns = new List <GridViewColumn>();
double specifiedWidth = 0;
foreach (GridViewColumn col in grid.Columns)
{
if ((bool)col.GetValue(AutoSizeProperty))
{
columns.Add(col);
}
else
{
specifiedWidth += col.ActualWidth;
}
}
// Calculate
//ScrollViewer scroll = (ScrollViewer) VisualTreeHelper.GetChild(VisualTreeHelper.GetChild(_listView, 0), 0);
//ItemsPresenter iPresenter = scroll.Content as ItemsPresenter;
ItemsPresenter iPresenter = VisualTree.GetChild <ItemsPresenter>(_listView);
ScrollBar scrollBar = VisualTree.GetChild <ScrollBar>(_listView);
double newWidth = (iPresenter.ActualWidth - scrollBar.Width - specifiedWidth - 20) / columns.Count;
// Give them a fair share of the remaining space
foreach (GridViewColumn col in columns)
{
if (newWidth >= 0)
{
col.Width = newWidth;
}
}
}
/// <summary>
/// Gets the dialog field bindings starting from the content presenter
/// </summary>
void GetDialogFieldBindings()
{
ContentPresenter contentPresenter = VisualTree.GetChild <ContentPresenter>(this, "_contentPresenter");
// Get the bindings when a template is applied
if (contentPresenter == null)
{
return;
}
_scannedControls = new List <DependencyObject>();
// Recursively find all bindings currently available
GetDialogFieldBindings(contentPresenter);
}
private void ApplyBatchCheckboxes(bool createOnly)
{
// do not use foreach beacuse it causes inner delegates to work with the wrong object (enumerator.Current)
for (int i = 0; i < _bindings.Count; i++)
{
BEData bedata = _bindings[i];
// In batch mode, attach a checkbox to this control for marking it as 'please override'
if (bedata.Obj is Control && ((Control)bedata.Obj).Parent is StackPanel && !GetReadOnlyField(bedata.Obj))
{
Control control = (Control)bedata.Obj;
StackPanel stackPanel = (StackPanel)control.Parent;
CheckBox checkbox = VisualTree.GetChild <CheckBox>(stackPanel, "__batch__cb");
bool created = false;
if (checkbox == null && this.IsBatch)
{
checkbox = new CheckBox();
checkbox.Name = "__batch__cb";
checkbox.ToolTip = "Check this to override the value of this field for all selected items";
checkbox.IsChecked = false;
checkbox.Style = (Style)App.Current.Resources["FormFieldBatchCheckbox"];
Action <object, RoutedEventArgs> del = delegate(object sender, RoutedEventArgs e)
{
bedata.ShouldBatchApply = control.IsEnabled = checkbox.IsChecked.Value;
};
checkbox.Checked += new RoutedEventHandler(del);
checkbox.Unchecked += new RoutedEventHandler(del);
stackPanel.Children.Add(checkbox);
created = true;
}
if (checkbox != null && (!createOnly || created))
{
checkbox.IsChecked = false;
checkbox.Visibility = IsBatch ? Visibility.Visible : Visibility.Collapsed;
control.IsEnabled = !IsBatch;
}
}
}
}