95 lines
3.4 KiB
C#
95 lines
3.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Umbraco.Core.IO;
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using Umbraco.Web.Models.Trees;
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namespace Umbraco.Web.Trees
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{
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public abstract class FileSystemTreeController : TreeController
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{
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protected abstract string FilePath { get; }
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protected abstract string FileSearchPattern { get; }
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/// <summary>
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/// Inheritors can override this method to modify the file node that is created.
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/// </summary>
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/// <param name="xNode"></param>
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protected virtual void OnRenderFileNode(ref TreeNode treeNode) { }
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/// <summary>
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/// Inheritors can override this method to modify the folder node that is created.
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/// </summary>
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/// <param name="xNode"></param>
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protected virtual void OnRenderFolderNode(ref TreeNode treeNode) { }
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protected override Models.Trees.TreeNodeCollection GetTreeNodes(string id, System.Net.Http.Formatting.FormDataCollection queryStrings)
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{
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string orgPath = "";
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string path = "";
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if (!string.IsNullOrEmpty(id) && id != "-1")
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{
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orgPath = id;
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path = IOHelper.MapPath(FilePath + "/" + orgPath);
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orgPath += "/";
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}
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else
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{
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path = IOHelper.MapPath(FilePath);
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}
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DirectoryInfo dirInfo = new DirectoryInfo(path);
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DirectoryInfo[] dirInfos = dirInfo.GetDirectories();
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var nodes = new TreeNodeCollection();
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foreach (DirectoryInfo dir in dirInfos)
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{
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if ((dir.Attributes & FileAttributes.Hidden) == 0)
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{
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var HasChildren = dir.GetFiles().Length > 0 || dir.GetDirectories().Length > 0;
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var node = CreateTreeNode(orgPath + dir.Name, orgPath, queryStrings, dir.Name, "icon-folder", HasChildren);
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OnRenderFolderNode(ref node);
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if(node != null)
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nodes.Add(node);
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}
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}
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//this is a hack to enable file system tree to support multiple file extension look-up
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//so the pattern both support *.* *.xml and xml,js,vb for lookups
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string[] allowedExtensions = new string[0];
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bool filterByMultipleExtensions = FileSearchPattern.Contains(",");
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FileInfo[] fileInfo;
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if (filterByMultipleExtensions)
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{
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fileInfo = dirInfo.GetFiles();
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allowedExtensions = FileSearchPattern.ToLower().Split(',');
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}
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else
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fileInfo = dirInfo.GetFiles(FileSearchPattern);
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foreach (FileInfo file in fileInfo)
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{
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if ((file.Attributes & FileAttributes.Hidden) == 0)
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{
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if (filterByMultipleExtensions && Array.IndexOf<string>(allowedExtensions, file.Extension.ToLower().Trim('.')) < 0)
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continue;
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var node = CreateTreeNode(orgPath + file.Name, orgPath, queryStrings, file.Name, "icon-file", false);
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OnRenderFileNode(ref node);
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if(node != null)
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nodes.Add(node);
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}
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}
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return nodes;
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}
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}
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}
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