feat($ionicSlideBoxDelegate): add enableSlide(true/false) method

Closes #1122

Author: ajoslin

js/angular/service/slideBoxDelegate.js

@@ -52,6 +52,13 @@ IonicModule
    * @param {number=} speed The number of milliseconds for the change to take.
    */
   'slide',
+  /**
+   * @ngdoc method
+   * @name $ionicSlideBoxDelegate#enableSlide
+   * @param {boolean=} shouldEnable Whether to enable sliding the slidebox.
+   * @returns {boolean} Whether sliding is enabled.
+   */
+  'enableSlide',
   /**
    * @ngdoc method
    * @name $ionicSlideBoxDelegate#previous

js/views/sliderView.js

@@ -11,6 +11,8 @@
 
 ionic.views.Slider = ionic.views.View.inherit({
   initialize: function (options) {
+    var slider = this;
+
     // utilities
     var noop = function() {}; // simple no operation function
     var offloadFn = function(fn) { setTimeout(fn || noop, 0) }; // offload a functions execution
@@ -254,8 +256,8 @@ ionic.views.Slider = ionic.views.View.inherit({
         switch (event.type) {
           case 'mousedown': this.start(event); break;
           case 'touchstart': this.start(event); break;
-          case 'touchmove': this.move(event); break;
-          case 'mousemove': this.move(event); break;
+          case 'touchmove': this.touchmove(event); break;
+          case 'mousemove': this.touchmove(event); break;
           case 'touchend': offloadFn(this.end(event)); break;
           case 'mouseup': offloadFn(this.end(event)); break;
           case 'webkitTransitionEnd':
@@ -301,10 +303,15 @@ ionic.views.Slider = ionic.views.View.inherit({
           document.addEventListener('mouseup', this, false);
         }
       },
-      move: function(event) {
+      touchmove: function(event) {
 
         // ensure swiping with one touch and not pinching
-        if ( event.touches.length > 1 || event.scale && event.scale !== 1) return
+        // ensure sliding is enabled
+        if (event.touches.length > 1 ||
+            event.scale && event.scale !== 1 ||
+            slider.slideIsDisabled) {
+          return;
+        }
 
         if (options.disableScroll) event.preventDefault();
 
@@ -468,6 +475,12 @@ ionic.views.Slider = ionic.views.View.inherit({
       setup();
     };
 
+    this.enableSlide = function(shouldEnable) {
+      if (arguments.length) {
+        this.slideIsDisabled = !shouldEnable;
+      }
+      return !this.slideIsDisabled;
+    },
     this.slide = function(to, speed) {
       // cancel slideshow
       stop();