/// <summary>
/// 把文档路径转为ListBoxItem
/// </summary>
/// <param name="folderDocument">需要转化的DocumentPathDTO</param>
/// <returns></returns>
public static ListBoxDocumentItem TransformToRootListBoxItem(DocumentPathDTO folderDocument)
{
if (folderDocument == null)
throw new Exception("文件夹文档不能为空");
var currentListBox = new ListBoxDocumentItem
{
DocumentPathId = folderDocument.DocumentPathId,
Extension = folderDocument.Extension,
Name = folderDocument.Name,
IsLeaf = folderDocument.IsLeaf,
ParentId = folderDocument.ParentId,
DocumentGuid = folderDocument.DocumentGuid,
FullPath = folderDocument.Name,
Path = folderDocument.Path,
SmallIconPath =
ImagePathHelper.GetSmallImageSource(folderDocument.Extension),
BigIconPath =
ImagePathHelper.GetBigImageSource(folderDocument.Extension),
};
currentListBox.SubDocumentPaths.Clear();
currentListBox.SubFolders.Clear();
//子项路劲遍历
folderDocument.SubDocumentPaths.ToList().ForEach(p =>
{
var newListBoxItem = new ListBoxDocumentItem
{
DocumentPathId = p.SubDocumentPathId,
Extension = p.Extension,
Name = p.Name,
IsLeaf = p.IsLeaf,
ParentId = p.ParentId,
DocumentGuid = p.DocumentGuid,
Path = p.Path,
SmallIconPath =
ImagePathHelper.GetSmallImageSource(p.Extension),
BigIconPath =
ImagePathHelper.GetBigImageSource(p.Extension),
FullPath = currentListBox.FullPath + @"\" + p.Name
};
if (!p.IsLeaf)
{
currentListBox.SubFolders.Add(newListBoxItem);
}
currentListBox.SubDocumentPaths.Add(newListBoxItem);
});
return currentListBox;
}
/// <summary>
/// 加载子项文件与文件夹
/// </summary>
private void LoadSubFolderDocuemnt(ListBoxDocumentItem currentDocumentPath)
{
if (_pathFilterDes.Value != null && currentDocumentPath != null &&
int.Parse(_pathFilterDes.Value.ToString()) == currentDocumentPath.DocumentPathId)
{
GetListBoxDocumentItem(); //加载子项
return;
}
if (currentDocumentPath != null)
{
_openResult = false;
//根据选中的父亲节点，查询子项文件
if (currentDocumentPath.ParentId != null)
{
IsBusy = true;
_pathFilterDes.Value = currentDocumentPath.DocumentPathId;
return;
}
//选中的项为根目录，其父亲节点为空
_pathFilterDes.Value = null;
}
}
public static ListBoxDocumentItem TransformToSubListBoxItem(ListBoxDocumentItem currentListBox,
IEnumerable<DocumentPathDTO> subDocumentPaths)
{
currentListBox.SubDocumentPaths.Clear();
currentListBox.SubFolders.Clear();
//子项路劲遍历
subDocumentPaths.ToList().ForEach(p =>
{
var newListBoxItem = new ListBoxDocumentItem
{
DocumentPathId = p.DocumentPathId,
Extension = p.Extension,
Name = p.Name,
IsLeaf = p.IsLeaf,
ParentId = p.ParentId,
Path = p.Path,
DocumentGuid = p.DocumentGuid,
SmallIconPath =
ImagePathHelper.GetSmallImageSource(p.Extension),
BigIconPath =
ImagePathHelper.GetBigImageSource(p.Extension),
FullPath = currentListBox.FullPath + @"\" + p.Name,
};
if (!p.IsLeaf)
{
currentListBox.SubFolders.Add(newListBoxItem);
}
currentListBox.SubDocumentPaths.Add(newListBoxItem);
});
return currentListBox;
}
/// <summary>
/// 获取ListBoxItem
/// </summary>
private void GetListBoxDocumentItem()
{
IsBusy = false;
if (DocumentPathsView.Any(p => p.ParentId == null))
{
//获取顶层文件夹文档
RootPath =
ListBoxItemHelper.TransformToRootListBoxItem(
DocumentPathsView.FirstOrDefault(p => p.ParentId == null));
//为Treeview集合
_listBoxDocumentItems.Clear();
_listBoxDocumentItems.Add(RootPath);
CurrentPathItem = RootPath;
}
else //双击打开文件夹
if (_loadType.Equals("DoubleClick", StringComparison.OrdinalIgnoreCase))
{
if (SelectDocumentPath != null && !SelectDocumentPath.IsLeaf)
{
//子项文档集合
var childDocuments =
DocumentPathsView.Where(p => p.ParentId == SelectDocumentPath.DocumentPathId);
//设置当前选中项
_currentPathItem = CurrentPathItem.SubDocumentPaths.FirstOrDefault(
p => p.DocumentPathId == SelectDocumentPath.DocumentPathId);
//子项文档转化为ListBoxItem
ListBoxItemHelper.TransformToSubListBoxItem(_currentPathItem, childDocuments);
RaisePropertyChanged(() => CurrentPathItem);
}
}
else //通过搜索框打开文件夹
{
if (CurrentPathItem != null)
{
//子项文档集合
var childDocuments = DocumentPathsView
.Where(p => p.ParentId == _currentPathItem.DocumentPathId);
//子项文档转化为ListBoxItem
ListBoxItemHelper.TransformToSubListBoxItem(_currentPathItem, childDocuments);
RaisePropertyChanged(() => CurrentPathItem);
}
}
RaisePropertyChanged(() => ListBoxDocumentItems);
}