Merge pull request #18 from FelipePrestesA/master

Update jquery.smartWizard.js

Author: techlab

js/jquery.smartWizard.js

@@ -40,6 +40,7 @@
                 enableAnchorOnDoneStep: true // Enable/Disable the done steps navigation
             },
             contentURL: null, // content url, Enables Ajax content loading. Can also set as data data-content-url on anchor
+            contentCache: true, // cache step contents, if false content is fetched always from ajax url
             disabledSteps: [], // Array Steps disabled
             errorSteps: [], // Highlight step with errors
             hiddenSteps: [], // Hidden steps
@@ -316,9 +317,35 @@
         },
         _loadStepContent: function (idx) {
             var mi = this;
+            // Get current step elements
+            var curTab = this.steps.eq(this.current_index);
+            var curPage = (curTab.length>0) ? $(curTab.attr("href"),this.main) : null;
+            // Get step to show elements
+            var selTab = this.steps.eq(idx);
+            var selPage = (selTab.length>0) ? $(selTab.attr("href"),this.main) : null;
+            // Get the direction of step navigation
+            var stepDirection = '';
             var elm = this.steps.eq(idx);
             var contentURL = (elm.data('content-url') && elm.data('content-url').length > 0) ? elm.data('content-url') : this.options.contentURL;
+            
+            if(this.current_index !== null && this.current_index !== idx){
+                stepDirection = (this.current_index < idx) ? "forward" : "backward";
+            }
 
+            var stepPosition = 'middle';
+            if(idx === 0){
+                stepPosition = 'first';
+            }else if(idx === (this.steps.length-1)){
+                stepPosition = 'final';
+            }
+
+            // Trigger "leaveStep" event
+            if(this.current_index !== null && this._triggerEvent("leaveStep", [curTab, this.current_index, stepDirection]) === false){ return false; }
+            
+            // check contentCache
+            if(!this.options.contentCache){
+                elm.data('has-content', false);
+            }
             if(contentURL && contentURL.length > 0 && !elm.data('has-content')){
                 // Get ajax content and then show step
                 var selPage = (elm.length>0) ? $(elm.attr("href"),this.main) : null;
@@ -364,10 +391,7 @@
             }else if(idx === (this.steps.length-1)){
                 stepPosition = 'final';
             }
-
-            // Trigger "leaveStep" event
-            if(this.current_index !== null && this._triggerEvent("leaveStep", [curTab, this.current_index, stepDirection]) === false){ return false; }
-
+            
             this.options.transitionEffect = this.options.transitionEffect.toLowerCase();
             this.pages.finish();
             if(this.options.transitionEffect === 'slide'){ // normal slide
@@ -565,4 +589,4 @@
         }
     };
 
-})(jQuery, window, document);
+})(jQuery, window, document);