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SharePoint 2013: How To Enable/Disable Delete Icon In Ribbon On List Item Selection

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Introduction

In this article, we will explore how to handle the delete icon on list item selection (enabling/ disabling) based on the logged in user using CSOM/REST API services using jQuery

Scenario: 

The scenario is to disable the delete icon in the ribbon on the List item selection. But when any user logs into the SharePoint site the items created by him should have the delete option on them when only one selection is there. This can be performed using custom Permission Level with Delete permission removed and item-level or folder-level permissions, but this can cause you a lot of problem managing the broken inheritance of permissions. Or you could write an event handler to prevent deletion of that item but the best way to do is using jQuery/ CSOM/ REST.

We have offered a code demo about how to disable delete icon in the ribbon on List Item Selection.

Before:

http://csharpcorner.mindcrackerinc.netdna-cdn.com/article/sharepoint-2013-how-to-unabledisable-delete-icon-in-ribbon/Images/image001.jpg

Solution:
**
Here are the steps:
**
Step 1: Navigate to your SharePoint 2013 site.

Step 2: From this page select the Site Actions | Edit Page.

Edit the page, go to the "Insert" tab in the Ribbon and click the "Web Part" option. In the "Web Parts" picker area, go to the "Media and Content" category, select the "Script Editor" Web Part and press the "Add button".

**Step 3: **

Once the Web Part is inserted into the page, you will see an "EDIT SNIPPET" link; click it. You can insert the HTML and/or JavaScript as in the following:

http://csharpcorner.mindcrackerinc.netdna-cdn.com/article/sharepoint-2013-how-to-unabledisable-delete-icon-in-ribbon/Images/image002.jpg

  1. // JavaScript source code   
  2. < script type = "text/javascript"  
  3. src = "http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.9.1.min.js" > < /script>  < script type = "text/javascript"  
  4. language = "javascript" >  
  5.   
  6.     $(document).ready(function()  
  7.     {  
  8.         $(document.getElementById('Ribbon.ListItem.Manage-LargeMedium-1-2')).addClass('ms-cui-row ms-cui-disabled');  
  9.         ExecuteOrDelayUntilScriptLoaded(init_disableRibbomButton, "sp.ribbon.js");  
  10.     });  
  11.   
  12. function init_disableRibbomButton()  
  13. {  
  14.     setInterval(function()  
  15.     {  
  16.         disableRibbomButton();  
  17.   
  18.     }, 10);  
  19. }  
  20. //Using CSOM GetSelectedItems  
  21. function disableRibbomButton()   
  22. {  
  23.     var cc = new SP.ClientContext.get_current();  
  24.     var web = cc.get_web();  
  25.     var listId = SP.ListOperation.Selection.getSelectedList();  
  26.     var selectedItems = SP.ListOperation.Selection.getSelectedItems();  
  27.     if (selectedItems.length == 1)  
  28.     {  
  29.         var flag = CheckCreatedBy(listId, selectedItems[0].id, _spPageContextInfo.userId);  
  30.         if (flag)  
  31.             $(document.getElementById('Ribbon.ListItem.Manage-LargeMedium-1-2')).removeClass('ms-cui-row ms-cui-disabled');  
  32.     } else  
  33.     {  
  34.         $(document.getElementById('Ribbon.ListItem.Manage-LargeMedium-1-2')).addClass('ms-cui-row ms-cui-disabled');  
  35.     }  
  36.   
  37. }  
  38. //Using REST API Apply Filter Created Item by logged in user  
  39. function CheckCreatedBy(ListId, ItemID, AuthorID)  
  40. {  
  41.     var result = false;  
  42.     var url = _spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/getbyid('" + ListId + "')/items?$filter=((ID eq '" + ItemID + "') and (Author/ID eq '" + AuthorID + "'))";  
  43.   
  44.     getListItems(url, function(data)  
  45.     {  
  46.         var items = data.d.results;  
  47.         if (items.length > 0)  
  48.         {  
  49.             result = true  
  50.         } else   
  51.         {  
  52.             result = false;  
  53.         }  
  54.   
  55.     }, function(data)  
  56.     {  
  57.         result = false;  
  58.     });  
  59.     return result;  
  60. }  
  61.   
  62. function getListItems(siteurl, success, failure)   
  63. {  
  64.     $.ajax  
  65.     ({  
  66.         async: false,  
  67.         url: siteurl,  
  68.   
  69.         method: "GET",  
  70.   
  71.         headers:  
  72.       {  
  73.             "Accept": "application/json; odata=verbose"  
  74.         },  
  75.         success: function(data)  
  76.         {  
  77.             success(data);  
  78.         },  
  79.         error: function(data)   
  80.         {  
  81.             failure(data);  
  82.         }  
  83.     });  
  84. } < /script>  

Summary:

Tried to disable/enable delete icon in the ribbon on List Item Selection, which would provide you with a greater flexibility in user interaction on the application. Have achieved this using CSOM/REST API and jQuery in SharePoint 2013. Hope this article is helpful to you and you can to revert back to it in case of any queries.

Reference: My Blog Reference