public void Connect(Gtk.Widget widget, Object source, IBindingTarget target)
{
if (source == null)
{
mSource = BindingEngine.GetViewModel(widget);
if (mSource == null)
{
Console.WriteLine("Binding.Connect: ViewModel not set for this widget");
return;
}
}
else
{
mSource = source;
}
mTarget = target;
var propertyChanged = mSource as IPropertyChanged;
if (propertyChanged != null)
{
propertyChanged.PropertyChanged += (object sender, PropertyChangedEventArgs e) => mTarget.Update(this, GetSourceValue());
}
}
public void Apply(Gtk.Widget widget)
{
Gtk.Entry entry = widget as Gtk.Entry;
if (entry == null)
{
Console.WriteLine("EntryTemplate.Apply: Invalid widget type for this template");
return;
}
if (mTextBinding != null)
{
var bindingTarget = new EntryBindingTarget(entry);
Binding binding = BindingEngine.GetOrCreateBinding(widget, null, bindingTarget, mTextBinding);
bindingTarget.Update(binding, binding.GetSourceValue());
}
}
private static void ValuePropertyDataFunc(Gtk.TreeViewColumn column, Gtk.CellRenderer cell, Gtk.TreeModel model, Gtk.TreeIter iter)
{
var treeView = (Gtk.TreeView)column.TreeView;
var info = Templating.GetTemplate(treeView) as TreeViewTemplate;
var textCell = (cell as Gtk.CellRendererText);
textCell.Text = string.Empty;
var value = model.GetValue(iter, 0);
if (value == null)
{
return;
}
foreach (var rowTemplate in info.RowTemplates)
{
if (value.GetType() == rowTemplate.TargetType)
{
//Here we have a value, which is the source for Binding, and a BindingInfo that is given by rowTemplate.ColumnBindings[column.Title] .
//The instance of the BindingInfo is shared among all values (rows), since it was defined once in the rowTemplate.
BindingInfo bindingInfo = null;
if (!rowTemplate.ColumnBindings.TryGetValue(column.Title, out bindingInfo))
{
return;
}
//The actual binding, on the other hand, is specific to the current (row,column) pair.
Binding binding = BindingEngine.GetOrCreateBinding(treeView, value, new TreeViewIterBindingTarget(treeView, iter, column), bindingInfo);
var propValue = binding.GetSourceValue();
textCell.Text = propValue == null ? String.Empty : propValue.ToString();
return;
}
}
}
