Editable List box in HTML

 

I have recently came across a requirement where  a list of objects need to be added and edited. That object has only two fields which is name & id. So there is no point of using a editable data table as well. Following is the solution I came across.

  1. Create a List box
  2. Add a text box and a button which will add new items to the list box.
  3. On click on list box item load a pop up which allows user to edit the items.

 

Code for generating Listbox at the View





  1. <div>

  2.                       <selectsize="10" id="workAreas" multiple>

  3.                         @foreach (var item in Model.WorkAreas)

  4.                         {

  5.               

  6.                             <option id="option_@item.Id" value="@item.Id" onclick="new RegionManagement().OnWorkAreaEdit(@item.Id);" class="TextBoxLarge">

  7.                                 @item.Name

  8.                             </option>

  9.            

  10.                         }

  11.                       </select>

  12.                 </div>





Code for Input text box and button







  1. <div>

  2.                     <input type="text" id="txtWorkArea" />

  3.                     <button id="btAddWorkArea" class="btn btn-success" onclick="new RegionManagement().AddNewWorkArea();">+</button>

  4.                 </div>






Code for pop up






  1. div id="DIV_EditWorkArea" style="display: none;">

  2.     <div id="DIV_EditWorkAreaSubForm" class="InnerEntrySubForm" style="display: none; height:200px; margin-top:-175px;">

  3.         <div class="InneEntryData" id="DIV_EditWorkAreaEditInner">

  4.                 <input type="hidden"id="txtWorkAreaId" />

  5.     <input type="text" id="txtEditWorkArea" />

  6.     <span id="btEditWorkAreaOK" class="btn btn-success" onclick="new RegionManagement().SaveWorkAreavalue();">OK</span>

  7.     <span id="btEditWorkAreaCancel" class="btn btn-warning " onclick="new RegionManagement().HideEditWorkArea();">X</span>

  8.         </div>

  9.     </div>

  10. </div>





Javascript






  1.  

  2. this.OnWorkAreaEdit = function(id) {

  3.     var txt = $('#option_' + id).text().trim();

  4.     $('#txtEditWorkArea').val(txt);

  5.     $('#txtWorkAreaId').val(id);

  6.  

  7.     $("#DIV_EditWorkArea").css('display', 'block');

  8.     show("DIV_EditWorkAreaSubForm");

  9. };

  10. this.SaveWorkAreavalue = function() {

  11.     var id = $('#txtWorkAreaId').val();

  12.     var text = $('#txtEditWorkArea').val();

  13.     $('#option_' + id).text(text);

  14.     this.HideEditWorkArea();

  15. };

  16.  

  17.  

  18. this.AddNewWorkArea = function() {

  19.     var uniqueId = Date.now();

  20.     var text = $('#txtWorkArea').val();

  21.     if (text != '') {

  22.         $('#workAreas')

  23.             .append('<option value="0" id="option_' + uniqueId + '"onclick="new RegionManagement().OnWorkAreaEdit(' + uniqueId + ');">' + text + '</option>');

  24.         $('#txtWorkArea').val('');

  25.     }

  26. };





Hope this helps.


Happy Coding !!!!!!

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