Esempio n. 1
0
        protected void RemoveItem()
        {
            var index = DisplayFileInfoList.IndexOf(SelectedFileInfo);

            FileInfoList.Remove(SelectedFileInfo);
            DisplayFileInfoList.Remove(SelectedFileInfo);

            //選択アイテムの更新
            if (DisplayFileInfoList.Count == 0)
            {
                //表示対象がない
                index = -1;
            }
            else if (DisplayFileInfoList.Count <= index)
            {
                index = DisplayFileInfoList.Count - 1;
            }
            else
            {
                //何もしない
            }

            if (index >= 0)
            {
                DisplayFileInfoList.ElementAt(index).IsSelected = true;
            }

            //フィルタの更新
            var missingKeywordList = new List <Extension>();

            foreach (var item in ExtensionList)
            {
                missingKeywordList.Add(item);
            }
            missingKeywordList.RemoveAt(0);
            foreach (var item in DisplayFileInfoList)
            {
                var extension      = Path.GetExtension(item.FilePath);
                var extensionItems = ExtensionList.Where(x => x.Name == extension);

                if (extensionItems.Any())
                {
                    foreach (var extItem in extensionItems)
                    {
                        missingKeywordList.Remove(extItem);
                    }
                }
            }

            foreach (var item in missingKeywordList)
            {
                ExtensionList.Remove(item);
            }

            HasItem = FileInfoList.Any();
        }