Ajaxify comment deletion and approval. thanks thomasdesvenain!

svn path=/plone.app.discussion/trunk/; revision=40984

CHANGES.txt

@@ -4,6 +4,9 @@ Changelog
 1.0b11 (unreleased)
 -------------------
 
+- Ajaxify comment deletion and approval.
+  [thomasdesvenain]
+  
 - New feature: As a logged-in user, I can enable/disable email notification of 
   additional comments on this content object.
   [timo]

plone/app/discussion/browser/javascripts/comments.js

@@ -1,75 +1,72 @@
 /******************************************************************************
- * 
+ *
  * jQuery functions for the plone.app.discussion comment viewlet and form.
- * 
+ *
  ******************************************************************************/
-
 (function ($) {
-	// This unnamed function allows us to use $ inside of a block of code 
+	// This unnamed function allows us to use $ inside of a block of code
 	// without permanently overwriting $.
 	// http://docs.jquery.com/Using_jQuery_with_Other_Libraries
-
-
     /**************************************************************************
      * Create a reply-to-comment form right beneath the form that is passed to
-     * the function. We do this by copying the regular comment form and 
+     * the function. We do this by copying the regular comment form and
      * adding a hidden in_reply_to field to the form.
      **************************************************************************/
     $.createReplyForm = function (comment_div) {
-        
+
         var comment_id = comment_div.attr("id");
-    
+
         var reply_button = comment_div.find(".reply-to-comment-button");
-    
+
         /* Clone the reply div at the end of the page template that contains
          * the regular comment form.
          */
         var reply_div = $("#commenting").clone(true);
-    
+
         /* Remove the ReCaptcha JS code before appending the form. If not
          * removed, this causes problems
          */
         reply_div.find("#formfield-form-widgets-captcha")
                  .find("script")
                  .remove();
-    
+
         /* Insert the cloned comment form right after the reply button of the
          * current comment.
          */
         reply_div.appendTo(comment_div).css("display", "none");
-    
+
         /* Remove id="reply" attribute, since we use it to uniquely
            the main reply form. */
         reply_div.removeAttr("id");
-    
+
         /* Hide the reply button (only hide, because we may want to show it
          * again if the user hits the cancel button).
          */
         $(reply_button).css("display", "none");
-    
+
         /* Fetch the reply form inside the reply div */
         var reply_form = reply_div.find("form");
-    
+
-        /* Populate the hidden 'in_reply_to' field with the correct comment 
+        /* Populate the hidden 'in_reply_to' field with the correct comment
            id */
         reply_form.find("input[name='form.widgets.in_reply_to']")
                   .val(comment_id);
-    
+
-        /* Add a remove-reply-to-comment Javascript function to remove the 
+        /* Add a remove-reply-to-comment Javascript function to remove the
            form */
         var cancel_reply_button = reply_div.find(".cancelreplytocomment");
         cancel_reply_button.attr("id", comment_id);
-    
+
         /* Show the cancel buttons. */
         reply_form.find("input[name='form.buttons.cancel']")
                   .css("display", "inline");
-    
+
         /* Show the reply layer with a slide down effect */
         reply_div.slideDown("slow");
-    
+
         /* Show the cancel button in the reply-to-comment form */
         cancel_reply_button.css("display", "inline");
-    }
+    };
 
 
     /**************************************************************************
@@ -82,23 +79,23 @@
         form_div.find("input[type='text']").attr("value", "");
         form_div.find("textarea").attr("value", "");
         /* XXX: Clean all additional form extender fields. */
-    }
+    };
 
     //#JSCOVERAGE_IF 0
 
     /**************************************************************************
-     * Window Load Function: Executes when complete page is fully loaded, 
+     * Window Load Function: Executes when complete page is fully loaded,
      * including all frames,
-     **************************************************************************/  
+     **************************************************************************/
     $(window).load(function () {
-		
+
 	    /**********************************************************************
-	     * If the user has hit the reply button of a reply-to-comment form 
+	     * If the user has hit the reply button of a reply-to-comment form
-	     * (form was submitted with a value for the "in_reply_to" field in the 
+	     * (form was submitted with a value for the "in_reply_to" field in the
 	     * request), create a reply-to-comment form right under this comment.
 	     **********************************************************************/
 	    var post_comment_div = $("#commenting");
-	    var in_reply_to_field = 
+	    var in_reply_to_field =
 	        post_comment_div.find("input[name='form.widgets.in_reply_to']");
 	    if (in_reply_to_field.val() !== "") {
 	        var current_reply_id = "#" + in_reply_to_field.val();
@@ -106,10 +103,10 @@
 	        $.createReplyForm(current_reply_to_div);
 	        $.clearForm(post_comment_div);
 	    }
-	    	
+
-	    
+
 		/**********************************************************************
-	     * If the user hits the "reply" button of an existing comment, create a 
+	     * If the user hits the "reply" button of an existing comment, create a
 	     * reply form right beneath this comment.
 	     **********************************************************************/
 	    $(".reply-to-comment-button").bind("click", function (e) {
@@ -117,8 +114,8 @@
 	        $.createReplyForm(comment_div);
 	        $.clearForm(comment_div);
 	    });
-	
+
-	
+
 	    /**********************************************************************
 	     * If the user hits the "clear" button of an open reply-to-comment form,
 	     * remove the form and show the "reply" button again.
@@ -129,19 +126,90 @@
 			                                  parents().
 									          filter(".comment").
 										      find(".reply-to-comment-button");
-	
+
 	        /* Find the reply-to-comment form and hide and remove it again. */
-	        reply_to_comment_form = $(this).parents().filter(".reply");
+	        $.reply_to_comment_form = $(this).parents().filter(".reply");
-	        reply_to_comment_form.slideUp("slow", function () { 
+	        $.reply_to_comment_form.slideUp("slow", function () {
-	            $(this).remove(); 
+	            $(this).remove();
 	        });
-	
+
 	        /* Show the reply-to-comment button again. */
 	        reply_to_comment_button.css("display", "inline");
-	
-	    });
-	
 
+	    });
+
+
+        /**********************************************************************
+         * Publish a single comment.
+         **********************************************************************/
+        $("input[name='form.button.PublishComment']").live('click', function () {
+            var trigger = this;
+            var form = $(this).parents("form");
+            var data = $(form).serialize();
+            var form_url = $(form).attr("action");
+            $.ajax({
+                type: "GET",
+                url: form_url,
+                data: "workflow_action=publish",
+                context: trigger,
+                success: function (msg) {
+                    // remove button (trigger object can't be directly removed)
+                    form.find("input[name='form.button.PublishComment']").remove();
+                    form.parents(".state-pending").toggleClass('state-pending').toggleClass('state-published');
+                },
+                error: function (msg) {
+                    return true;
+                }
+            });
+            return false;
+        });
+    
+    
+        /**********************************************************************
+         * Delete a comment and its answers.
+         **********************************************************************/
+        $("input[name='form.button.DeleteComment']").live('click', function () {
+            var trigger = this;
+            var form = $(this).parents("form");
+            var data = $(form).serialize();
+            var form_url = $(form).attr("action");
+            $.ajax({
+                type: 'POST',
+                url: form_url,
+                context: $(trigger).parents(".comment"),
+                success: function (data) {
+                    if ($(".discussion .comment .replyTreeLevel0").length === 1) {
+                        $(".discussion").fadeOut('fast', function () {
+                            $(".discussion").remove();
+                        });
+                    }
+                    else {
+                        var comment = $(this);
+                        var clss = comment.attr('class');
+                        // remove replies
+                        var treelevel = parseInt(clss[clss.indexOf('replyTreeLevel') + 'replyTreeLevel'.length]);
+                        // selector for all the following elements of lower level
+                        var selector = ".replyTreeLevel" + treelevel;
+                        for (var i = 0; i < treelevel; i++) {
+                            selector += ", .replyTreeLevel" + i;
+                        }
+                        comment.nextUntil(selector).each(function () {
+                            $(this).fadeOut('fast', function () {
+                                $(this).remove();
+                            });
+                        });
+                        // remove comment
+                        $(this).fadeOut('fast', function () {
+                            $(this).remove();
+                        });
+                    }
+                },
+                error: function (req, error) {
+                    return true;
+                }
+            });
+            return false;
+        });
 
 	    /**********************************************************************
 	     * By default, hide the reply and the cancel button for the regular add
@@ -151,18 +219,18 @@
 	                .css("display", "none");
 	    $(".reply").find("input[name='form.buttons.cancel']")
 	                .css("display", "none");
-	
+
-	
+
 	    /**********************************************************************
 	     * By default, show the reply button only when Javascript is enabled.
-	     * Otherwise hide it, since the reply functions only work with JS 
+	     * Otherwise hide it, since the reply functions only work with JS
 	     * enabled.
 	     **********************************************************************/
 	    $(".reply-to-comment-button").css("display" , "inline");
-	
+
 	});
 
+
     //#JSCOVERAGE_ENDIF
 
 }(jQuery));
-