コード例 #1
0
        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());
            }
        }
コード例 #2
0
        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());
            }
        }
コード例 #3
0
ファイル: TreeViewTemplate.cs プロジェクト: dgu123/crown
        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;
                }
            }
        }