Exemple #1
0
        private void AddItemControl(ActionItemModel action, IActionBuilder builder = null)
        {
            isRendering = true;
            double Y = 0;

            if (ActionItems.Count > 0)
            {
                var lastItem    = ActionItems.Last();
                var lastItemTTF = lastItem.RenderTransform as TranslateTransform;
                Y = lastItemTTF.Y + lastItem.ActualHeight;
            }

            var item = new ActionItem();

            item.ActionContainer = this;
            item.DataContext     = this;
            item.VMDataContext   = this.DataContext;
            BindingOperations.SetBinding(item, ActionItem.ContainerStateProperty, new Binding()
            {
                Source = this,
                Path   = new PropertyPath(nameof(State)),
                Mode   = BindingMode.Default,
            });
            BindingOperations.SetBinding(item, ActionItem.RuningIDProperty, new Binding()
            {
                Source = DataContext,
                Path   = new PropertyPath("RuningActionID"),
                Mode   = BindingMode.Default,
            });
            BindingOperations.SetBinding(item, ActionItem.RuningStateProperty, new Binding()
            {
                Source = DataContext,
                Path   = new PropertyPath("RuningActionState"),
                Mode   = BindingMode.Default,
            });
            item.ID = action.ID;
            //item.InputDataModel = inputdata == null ? ActionData.GetCreateDefaultInputData(action.ActionType) : inputdata;
            item.Builder = builder == null?ActionBuilder.BuilderByActionItem(action) : builder;

            item.Action            = action;
            item.VerticalAlignment = VerticalAlignment.Top;
            var ttf = item.RenderTransform as TranslateTransform;

            ttf.Y  = Y;
            item.Y = Y;
            item.MouseLeftButtonDown += Item_MouseLeftButtonDown;
            item.MouseLeftButtonUp   += Item_MouseLeftButtonUp;
            item.MouseMove           += Item_MouseMove;
            ttf.Changed += (e, c) =>
            {
                item.Y = ttf.Y;
            };

            item.OnRenderDone += (e, c) =>
            {
                if (item.Tag != null)
                {
                    //如果tag不为null表示已加载完成了
                    return;
                }
                item.Tag = string.Empty;
                if (ActionItems.Count == 1)
                {
                    //仅存在一个时使用auto height
                    ActionPanel.Height = Double.NaN;
                }
                else
                {
                    ActionPanel.Height = ActionPanel.ActualHeight + item.ActualHeight;
                }
                //ActionPanel.Height += item.ActualHeight;
                //if (double.IsNaN(ActionPanel.Height))
                //{
                //    ActionPanel.Height = item.ActualHeight;
                //}
                UpdateActionHeight(item);
                ActionTempPanel.Children.Remove(item);
                ActionPanel.Children.Add(item);
                //继续队列
                appendActionItemTempList.RemoveAt(0);
                appendBuilderTempList.RemoveAt(0);

                isRendering = false;
                if (appendActionItemTempList.Count > 0)
                {
                    AddItem(appendActionItemTempList[0], appendBuilderTempList[0]);
                }
                else
                {
                    ResetAllActionsMarigin();
                }
                //继续监控item高度变化
                item.LayoutUpdated += (e, v) =>
                {
                    UpdateActionHeight(item);
                };
            };
            //ActionPanel.Children.Add(item);
            //添加到临时容器中
            ActionTempPanel.Children.Add(item);
            ActionItems.Add(item);
            SortAction();
        }