/// <summary>
        /// Reorder the tabs and refresh collection sorting.
        /// </summary>
        /// <param name="reorder"></param>
        protected virtual void ReorderTabsCommandAction(TabReorder reorder)
        {
            ICollectionView view = CollectionViewSource.GetDefaultView(this.ItemCollection) as ICollectionView;
            int from = reorder.FromIndex;
            int to = reorder.ToIndex;
            var tabCollection = view.Cast<TabBase>().ToList();//Get the ordered collection of our tab control

            tabCollection[from].TabNumber = tabCollection[to].TabNumber; //Set the new index of our dragged tab

            if (to > from)
            {
                for (int i = from + 1; i <= to; i++)
                {
                    tabCollection[i].TabNumber--; //When we increment the tab index, we need to decrement all other tabs.
                }
            }
            else if (from > to)//when we decrement the tab index
            {
                for (int i = to; i < from; i++)
                {
                    tabCollection[i].TabNumber++;//When we decrement the tab index, we need to increment all other tabs.
                }
            }

            view.Refresh();//Refresh the view to force the sort description to do its work.
        }
        /// <summary>
        /// Reorder the tabs and refresh collection sorting.
        /// </summary>
        /// <param name="reorder"></param>
        private void ReorderTabsCommandAction(TabReorder reorder)
        {
            ICollectionView view = CollectionViewSource.GetDefaultView(this.ItemCollection) as ICollectionView;
            int from = reorder.FromIndex;
            int to = reorder.ToIndex;
            var sourceCol = view.SourceCollection.Cast<ITab>().OrderBy(x => x.TabNumber).ToList();//Get the ordered source collection of our tab control
            sourceCol[from].TabNumber = sourceCol[to].TabNumber; //Set the new index of our dragged tab

            if (to > from)
            {
                for (int i = from + 1; i <= to; i++)
                {
                    sourceCol[i].TabNumber--; //When we increment the tab index, we need to decrement all other tabs.
                }
            }
            else if (from > to)//when we decrement the tab index
            {
                for (int i = to; i < from; i++)
                {
                    sourceCol[i].TabNumber++;//When we decrement the tab index, we need to increment all other tabs.
                }
            }

            view.Refresh();//Refresh the view to force the sort description to do its work.
        }
Ejemplo n.º 3
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 /// <summary>
 /// Tab自动排序
 /// Tab可移动
 /// </summary>
 /// <param name="reorder"></param>
 private void ExcuteReorderTabsCommand(TabReorder reorder)
 {
     ICollectionView view = CollectionViewSource.GetDefaultView(this.ItemCollection) as ICollectionView;
     int from = reorder.FromIndex;
     int to = reorder.ToIndex;
     var sourceCol = view.SourceCollection.Cast<ITab>().OrderBy(x => x.TabNumber).ToList();
     sourceCol[from].TabNumber = sourceCol[to].TabNumber;
     if (to > from)
     {
         for (int i = from + 1; i <= to; i++)
         {
             sourceCol[i].TabNumber--;
         }
     }
     else if (from > to)
     {
         for (int i = to; i < from; i++)
         {
             sourceCol[i].TabNumber++;
         }
     }
     view.Refresh();
 }