handleEmpty checks only html by default, excluding wysihtml5, refers to #344, #376

src/element/editable-element.js

@@ -284,13 +284,12 @@ Makes editable any HTML element on the page. Applied as jQuery method.
                 this.isEmpty = isEmpty;
             } else {
                 //detect empty
-                if($.trim(this.$element.html()) === '') { 
-                    this.isEmpty = true;
-                } else if($.trim(this.$element.text()) !== '') {
-                    this.isEmpty = false;
+                //for some inputs we need more smart check
+                //e.g. wysihtml5 may have <br>, <p></p>, <img>
+                if(typeof(this.input.isEmpty) === 'function') {
+                    this.isEmpty = this.input.isEmpty(this.$element);                    
                 } else {
-                    //e.g. '<img>'
-                    this.isEmpty = !this.$element.height() || !this.$element.width();
+                    this.isEmpty = $.trim(this.$element.html()) === '';
                 }
             }           
             

src/inputs-ext/wysihtml5/wysihtml5.js

@@ -87,6 +87,17 @@ $(function(){
 
         activate: function() {
             this.$input.data("wysihtml5").editor.focus();
+        },
+        
+        isEmpty: function($element) {
+            if($.trim($element.html()) === '') { 
+                return true;
+            } else if($.trim($element.text()) !== '') {
+                return false;
+            } else {
+                //e.g. '<img>', '<br>', '<p></p>'
+                return !$element.height() || !$element.width();
+            } 
         }
     });
 

test/unit/wysihtml5.js

@@ -7,12 +7,13 @@ $(function () {
         }
     });
 
+    //skip test for ie7 as it is not supported by wysihtml5
+    var msieOld = /msie\s*(7|6)/i.test(navigator.userAgent); 
+    
     //note: sometimes it throws 'nativeSelection is null' error
      
     asyncTest("should load correct value and save new entered value", function () {
 
-        //skip test for ie7 as it is not supported by wysihtml5
-        var msieOld = /msie\s*(7|6)/i.test(navigator.userAgent);  
         if(msieOld) {
            expect(0);
            start();  
@@ -77,4 +78,25 @@ $(function () {
 
     });
     
+    asyncTest("empty value", function () {
+
+        if(msieOld) {
+           expect(0);
+           start();  
+           return;
+        } 
+
+        var v1 = '<p></p><br>',
+            e = $('<a href="#" data-pk="1" data-url="post.php">'+v1+'</a>').appendTo(fx).editable({
+            type: 'wysihtml5'
+        }); 
+        
+        setTimeout(function() {
+             equal(e.html(), 'Empty', '`Empty` shown');
+             e.remove();    
+             start();            
+        }, timeout);       
+        
+    });
+   
 });