public static bool IsReadOnly(this INZazuWpfField field)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
if (!field.IsEditable)
{
return(true);
}
if (field is INZazuWpfFieldContainer)
{
return(true);
}
var control = field.ValueControl;
if (control == null)
{
return(true);
}
var textBox = control as TextBoxBase;
return(textBox != null ? textBox.IsReadOnly : !control.IsEnabled);
}
public static void SetReadOnly(this INZazuWpfField field, bool isReadOnly)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
if (!field.IsEditable)
{
return;
}
if (field is INZazuWpfFieldContainer)
{
return;
}
var control = field.ValueControl;
if (control == null)
{
return;
}
var textBox = control as TextBoxBase;
if (textBox != null)
{
textBox.IsReadOnly = isReadOnly;
}
else
{
control.IsEnabled = !isReadOnly;
}
}
public override void AttachTo(INZazuWpfField field, INZazuWpfView view)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
}
public static bool IsValid(this INZazuWpfField field)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
return(field.Validate().IsValid);
}
public FieldFocusChangedEventArgs(INZazuWpfField newFocusedElement, INZazuWpfField oldFocusedElement = null,
INZazuWpfField parentElement = null)
{
//NewFocusedElement = newFocusedElement ?? throw new ArgumentNullException(nameof(newFocusedElement));
NewFocusedElement = newFocusedElement;
OldFocusedElement = oldFocusedElement;
ParentElement = parentElement;
}
private void DataTableFieldOnTableFieldFocusChanged(object sender, FieldFocusChangedEventArgs e)
{
var oldFocusedElement = _lastFocusedElement;
_lastFocusedElement = e.NewFocusedElement;
OnFieldFocusChanged(new FieldFocusChangedEventArgs(_lastFocusedElement, oldFocusedElement,
e.ParentElement));
}
private void AddField(INZazuWpfField field)
{
if (field is NZazuDataTableField dataTableField)
{
dataTableField.TableFieldFocusChanged += DataTableFieldOnTableFieldFocusChanged;
}
_fields.Add(field.Key, field);
}
public void AttachTo(INZazuWpfField field, INZazuWpfView view)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
var valueControl = field.ValueControl;
Control = valueControl;
Control.BorderThickness = new Thickness(Thickness);
var rgb = ForegroundColor.Split(',').Select(byte.Parse).ToArray();
Control.BorderBrush = new SolidColorBrush(Color.FromRgb(rgb[0], rgb[1], rgb[2]));
}
protected void ProcessGroupField(
IResolveLayout resolveLayout,
Control control,
INZazuWpfField field)
{
var contentControl = control as ContentControl;
if (!(field is INZazuWpfFieldContainer groupField) || contentControl == null)
{
return;
}
var layout = SafeResolve(resolveLayout, groupField.Layout);
layout.DoLayout(contentControl, groupField.Fields, resolveLayout);
}
private void ValueControlOnGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
{
if (sender is Control control)
{
if (_fields.ContainsKey(control.Name))
{
var oldFocusedElement = _lastFocusedElement;
// remember ctrl with focus for state
var newFocusedElement = _fields[control.Name];
_lastFocusedElement = newFocusedElement;
OnTableFieldFocusChanged(new FieldFocusChangedEventArgs(newFocusedElement, oldFocusedElement,
this));
}
}
}
private void InitializeComponent()
{
// cf.: http://compiledexperience.com/blog/posts/using-caliburn-micro-as-a-data-template-selector/
// we make this tab selectable so we can jump directly into the last selected field
Layout.Focusable = true;
Layout.IsTabStop = true;
Layout.VerticalContentAlignment = VerticalAlignment.Stretch;
Layout.HorizontalContentAlignment = HorizontalAlignment.Stretch;
SetHorizontalScrollBarVisibility(Layout, ScrollBarVisibility.Visible);
SetVerticalScrollBarVisibility(Layout, ScrollBarVisibility.Visible);
Layout.LostFocus += (s, e) => ApplyChanges();
Layout.GotKeyboardFocus += (s, e) =>
{
var oldFocusedElement = _lastFocusedElement;
// remember ctrl with focus for state
var newFocusedElement = GetFocusedControl(e.NewFocus as FrameworkElement);
// now if I focus on the control, I focus on the last field
if (Equals(e.NewFocus, Layout))
{
TrySetFocusOn();
}
if (newFocusedElement is NZazuDataTableField)
{
return;
}
_lastFocusedElement = newFocusedElement;
OnFieldFocusChanged(new FieldFocusChangedEventArgs(newFocusedElement, oldFocusedElement));
};
FieldFactory = new NZazuFieldFactory();
}
public abstract void AttachTo(INZazuWpfField field, INZazuWpfView view);
public void AttachTo(INZazuWpfField field, INZazuWpfView view)
{
}
public bool TryGetField(string key, out INZazuWpfField field)
{
return(_fields.TryGetValue(key, out field));
}
