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webdav-fileselector

A Laravel package for showing and selecting files and folders of a WebDAV server.

Features

• Retrieve a list of files and folders from a WebDAV server
• Use WebDAV API: propfind
• No mounting
• Fast
• Supports multi-user
• Supports external usage as API
• Provides a sophisticated client template using the hummingbird-treeview package
• Display files and folders in a hierarchical tree structure
• Different options can be enabled / disabled, e.g.
  • select only one file
  • select one or more files
  • select whole folders
  • select all
• Filter for file types (e.g. .jpg, .txt) and arbitrary patterns
• Convenient search function
• ... and many more

Dependencies

• Laravel 5.5.*
• PHP 7.0
• cURL extension enabled

Included libraries

• jQuery 3.3.1
• bootstrap 4.0.0
• font-awesome
• hummingbird-dev/hummingbird-treeview

This means that these libraries (or parts of them) are included in the webdav-fileselector package. Thus no download / installation of these libraries is needed.

Getting started

Installation

Install via composer and run the command below in the root of your project:

Add the following under autoload to your composer.json (that one in your projects root directory):

Update composer from the root of your project:

Publish resources from your root folder:

Usage

Start a local development server

and navigate to http://localhost:8000/webdav-fileselector-get

You will see the client template, which can be edited at "/resources/views/hummingbird-dev/webdav-fileselector.blade.php".

Two possibilities exist to include the needed WebDAV credentials and to submit optional settings.

First, the client at "/resources/views/hummingbird-dev/webdav-fileselector.blade.php" can be edited or an additional POST form on any other page can be used to call the client. This form may look like:

webdav-fileselector as a service

The interesting point here is that this HTML form can be implemented on any other web page. So it's possible to provide this service on other web projects. One possibility for integration would be an iframe. That means, placing an iframe onto the page:

and pointing the form to the iframe with the "target" attribute, which means to open the response of the form POST in the iframe:

Parameters

Following parameters are mendatory:

• b2drop_username
  This is the username needed to login to the WebDAV server.

• b2drop_password
  The corresponding password needed to login to the WebDAV server.

• b2drop_url
  The URL to the WebDAV server. If it is e.g. an ownCloud or nextCloud instance, the URL is https://example.com/remote.php/webdav.

Following settings are optional and have all default values. These settings influence mostly the functionality of the hummingbird-treeview, which is used to show the files and folders. All values of these settings are strings, although many behave like boolean true and false.

• select_only_one_item
  This parameter can be enabled by value="1" or disabled by value="0". Default is value="1". If activated, only single items in the treeview can be checked. This provides the typical feature, where the user is only allowed to select a single file instead of multiple. It is important to note that the parameter disable_folder_checking should be enabled as well.

• disable_folder_checking
  To disable the functionality to check whole folders this parameter has to be set to value="1" otherwise value="0" has to be used. Default is value="1". Activating this parameter is needed, if the above parameter select_only_one_item is also activated to restrict the selection of items to single files.

• show_only_parent_folder
  This is a special parameter and can be activated by setting value="1" or disabled by value="0". Default is value="0". If activated the returned List (details below) does not contain the selected files, but instead only the folder, which contains the selected files, i.e. the parent folder.

• disable_root_node
  Again, this setting can be activated by value="1" and deactivated by value="0". Default is value="0". If activated the root node is disabled, which means it cannot be checked.

• getChecked_onlyEndNodes
  This is an important parameter and activated by value="1" and deactivated by value="0". Default is value="1". If activated the returned List (details below) contains only the checked files and NOT the checked folders.

• filter
  Filtering is a powerful option to select only certain files. For instance if value=".txt" only files containing ".txt" in their names are shown. Default is an empty string value="", which means no filtering. If value="myfile" only files containing "myfile" in the name are shown. Additionally it is possible to filter for multiple strings in a "OR" sense. If value=".jpg|.png|.bmp" only files are shown containing ".jpg" or ".png" or ".bmp".

• fileselector_height This parameter defines the height in px of the , where the hummingbird-treeview is embedded. It is scollable, thus the height can be chosen small if needed. Default is value="400" pixel.

• minimal_view If activated by value="1" (deactivate by value="0") only a heading, the search field and the treeview are shown. Otherwise a little more markup is included. Default is value="0".

• jumbotron This option, if value="1" places the treeview on a Bootstrap Jumbotron, i.e. essentially a gray block.

Events -- grabbing the selected files

On every file check or uncheck on the hummingbird-treeview an event is fired including the selected files. As can be seen in the file webdav-fileselector.blade.php there is a small JavaScript snippet at the end of the file:

This JavaScript code grabs the List of the selected files, which are stored here in the object data. This object contains arrays, whereas data.dataid contains the full paths to the selected files. The data.id contains an id, which is essentially a string together with a running number and not important here. The data.text contains the text shown in the treeview, which is mostly similar to the real filename.