Fixed #303 Add the ability to rename rooms and recordings (GRN-18) (#304)

* <Added modal for rename>

* <Commit changes and switch branch>

* <Javascript Scaffolding for rename room feature>

* <Created room_block.js>

* <update changes>

* <Updating rename branch>

* <Update rename.js>

* <Update branch>

* <Update branch>

* <Implemented renaming of room blocks>

* <Refactoring code>

* Remove modal due to new design

* <Finished renaming of rooms>

* <Updated renaming of recordings>

* <updating branch>

* <added renaming of recordings>

* <update branch>

* <>

* <Fixed code style>

* <Fixed rspec tests>

* Update application.js

app/assets/javascripts/application.js

@@ -30,3 +30,5 @@
 //= require tabler.plugins
 //= require turbolinks
 //= require_tree .
+//= require jquery
+//= require jquery_ujs

app/assets/javascripts/rename.js

@@ -0,0 +1,163 @@
+// BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+//
+// Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+//
+// This program is free software; you can redistribute it and/or modify it under the
+// terms of the GNU Lesser General Public License as published by the Free Software
+// Foundation; either version 3.0 of the License, or (at your option) any later
+// version.
+//
+// BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+// PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License along
+// with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+
+$(document).on('turbolinks:load', function(){
+  var controller = $("body").data('controller');
+  var action = $("body").data('action');
+
+  if(controller == "rooms" && action == "show" || controller == "rooms" && action == "update"){
+
+    // Elements that can be renamed
+    var room_title = $('#room-title');
+    var room_blocks = $('#room_block_container').find('.card');
+    var recording_rows = $('#recording-table').find('tr');
+
+    // Configure renaming for room header
+    configure_room_header(room_title);
+
+    // Configure renaming for room blocks
+    room_blocks.each(function(){
+      var room_block = $(this)
+      configure_room_block(room_block)
+    });
+
+    // Configure renaming for recording rows
+    recording_rows.each(function(){
+      var recording_title = $(this).find('#recording-title');      
+      configure_recording_row(recording_title);
+    });
+
+    // Set a room block rename event
+    function configure_room_block(room_block){
+      if(!room_block.is('#home_room_block')){
+
+        // Register a click event on each room_block rename dropdown
+        room_block.find('#rename-room-button').on('click', function(e){
+
+          room_block.find('#room-name').hide();
+          room_block.find('#room-name-editable').show();
+          room_block.find('#room-name-editable-input').select()
+
+          // Stop automatic refresh
+          e.preventDefault();
+
+          register_window_event(room_block, null, null);
+        });
+      }
+    }
+
+    // Set a room header rename event
+    function configure_room_header(room_title){
+      room_title.find('.fa-edit').on('click', function(e){
+
+        // Remove current window events
+        $(window).off('mousedown keypress');
+  
+        room_title.find('#user-text').fadeTo('medium', 0.7);
+        room_title.find('#user-text').attr("contenteditable", true);
+        room_title.find('#user-text').focus();
+          
+        // Stop automatic refresh
+        e.preventDefault();
+  
+        register_window_event(room_title, 'user-text', '#edit-room', 'edit-room');
+      });
+    }
+
+    // Set a recording row rename event
+    function configure_recording_row(recording_title){
+      recording_title.find('a').on('click', function(e){
+
+        // Remove current window events
+        $(window).off('mousedown keypress');
+        
+        recording_title.fadeTo('medium', 0.7);
+        recording_title.find('text').attr("contenteditable", true);
+        recording_title.find('text').focus();
+        
+        // Stop automatic refresh
+        e.preventDefault();
+        
+        register_window_event(recording_title, 'recording-text', '#edit-record', 'edit-recordid');
+      });
+    }
+
+    // Register window event to submit new name
+    // upon click or upon pressing the enter key
+    function register_window_event(element, textfield_id, edit_button_id, edit_button_data){
+      $(window).on('mousedown keypress', function(clickEvent){
+
+        // Return if the text is clicked
+        if(clickEvent.type == "mousedown" && clickEvent.target.id == textfield_id){
+          return;
+        }
+
+        // Return if the edit icon is clicked
+        if(clickEvent.type == "mousedown" && $(clickEvent.target).is(edit_button_id) &&
+          $(clickEvent.target).data(edit_button_data) === element.find(edit_button_id).data(edit_button_data)){
+          return;
+        }
+        
+        // Check if event is keypress and enter key is pressed
+        if(clickEvent.type != "mousedown" && clickEvent.which !== 13){
+          return;
+        }
+
+        submit_rename_request(element);
+
+        // Remove window event when ajax call to update name is submitted
+        $(window).off('mousedown keypress');
+      });
+    }
+
+    // Apply ajax request depending on the element that triggered the event
+    function submit_rename_request(element){
+      if(element.data('room-uid')){
+        submit_update_request({
+          setting: "rename_block",
+          room_block_uid: element.data('room-uid'),
+          room_name: element.find('#room-name-editable-input').val(),
+        });
+      }
+      else if(element.is('#room-title')){
+        submit_update_request({
+          setting: "rename_header",
+          room_name: element.find('#user-text').text(),
+        });
+      }
+      else if(element.is('#recording-title')){
+        submit_update_request({
+          setting: "rename_recording",
+          record_id: element.data('recordid'),
+          record_name: element.find('text').text(),
+        });
+      }
+    }
+
+    // Helper for submitting ajax requests
+    function submit_update_request(data){
+      // Send ajax request for update
+      $.ajax({
+        url: window.location.pathname,
+        type: "PATCH",
+        data: data,
+        success: function(data){
+          console.log("Success");
+        },
+      });
+    }
+  }
+});