1 files changed, 324 insertions, 0 deletions
diff --git a/static/js/ripples.js b/static/js/ripples.js
new file mode 100644
index 0000000..033d2ff
--- /dev/null
+++ b/static/js/ripples.js
@@ -0,0 +1,324 @@
+/* Copyright 2014+, Federico Zivolo, LICENSE at https://github.com/FezVrasta/bootstrap-material-design/blob/master/LICENSE.md */
+/* globals jQuery, navigator */
+
+(function($, window, document, undefined) {
+
+  "use strict";
+
+  /**
+   * Define the name of the plugin
+   */
+  var ripples = "ripples";
+
+
+  /**
+   * Get an instance of the plugin
+   */
+  var self = null;
+
+
+  /**
+   * Define the defaults of the plugin
+   */
+  var defaults = {};
+
+
+  /**
+   * Create the main plugin function
+   */
+  function Ripples(element, options) {
+    self = this;
+
+    this.element = $(element);
+
+    this.options = $.extend({}, defaults, options);
+
+    this._defaults = defaults;
+    this._name = ripples;
+
+    this.init();
+  }
+
+
+  /**
+   * Initialize the plugin
+   */
+  Ripples.prototype.init = function() {
+    var $element  = this.element;
+
+    $element.on("mousedown touchstart", function(event) {
+      /**
+       * Verify if the user is just touching on a device and return if so
+       */
+      if(self.isTouch() && event.type === "mousedown") {
+        return false;
+      }
+
+
+      /**
+       * Verify if the current element already has a ripple wrapper element and
+       * creates if it doesn't
+       */
+      if(!($element.find(".ripple-wrapper").length)) {
+        $element.append("<div class=\"ripple-wrapper\"></div>");
+      }
+
+
+      /**
+       * Find the ripple wrapper
+       */
+      var $wrapper = $element.children(".ripple-wrapper");
+
+
+      /**
+       * Get relY and relX positions
+       */
+      var relY = self.getRelY($wrapper, event);
+      var relX = self.getRelX($wrapper, event);
+
+
+      /**
+       * If relY and/or relX are false, return the event
+       */
+      if(!relY && !relX) {
+        return;
+      }
+
+
+      /**
+       * Get the ripple color
+       */
+      var rippleColor = self.getRipplesColor($element);
+
+
+      /**
+       * Create the ripple element
+       */
+      var $ripple = $("<div></div>");
+
+      $ripple
+      .addClass("ripple")
+      .css({
+        "left": relX,
+        "top": relY,
+        "background-color": rippleColor
+      });
+
+
+      /**
+       * Append the ripple to the wrapper
+       */
+      $wrapper.append($ripple);
+
+
+      /**
+       * Make sure the ripple has the styles applied (ugly hack but it works)
+       */
+      (function() { return window.getComputedStyle($ripple[0]).opacity; })();
+
+
+      /**
+       * Turn on the ripple animation
+       */
+      self.rippleOn($element, $ripple);
+
+
+      /**
+       * Call the rippleEnd function when the transition "on" ends
+       */
+      setTimeout(function() {
+        self.rippleEnd($ripple);
+      }, 500);
+
+
+      /**
+       * Detect when the user leaves the element
+       */
+      $element.on("mouseup mouseleave touchend", function() {
+        $ripple.data("mousedown", "off");
+
+        if($ripple.data("animating") === "off") {
+          self.rippleOut($ripple);
+        }
+      });
+
+    });
+  };
+
+
+  /**
+   * Get the new size based on the element height/width and the ripple width
+   */
+  Ripples.prototype.getNewSize = function($element, $ripple) {
+
+    return (Math.max($element.outerWidth(), $element.outerHeight()) / $ripple.outerWidth()) * 2.5;
+  };
+
+
+  /**
+   * Get the relX
+   */
+  Ripples.prototype.getRelX = function($wrapper,  event) {
+    var wrapperOffset = $wrapper.offset();
+
+    if(!self.isTouch()) {
+      /**
+       * Get the mouse position relative to the ripple wrapper
+       */
+      return event.pageX - wrapperOffset.left;
+    } else {
+      /**
+       * Make sure the user is using only one finger and then get the touch
+       * position relative to the ripple wrapper
+       */
+      event = event.originalEvent;
+
+      if(event.touches.length !== 1) {
+        return event.touches[0].pageX - wrapperOffset.left;
+      }
+
+      return false;
+    }
+  };
+
+
+  /**
+   * Get the relY
+   */
+  Ripples.prototype.getRelY = function($wrapper, event) {
+    var wrapperOffset = $wrapper.offset();
+
+    if(!self.isTouch()) {
+      /**
+       * Get the mouse position relative to the ripple wrapper
+       */
+      return event.pageY - wrapperOffset.top;
+    } else {
+      /**
+       * Make sure the user is using only one finger and then get the touch
+       * position relative to the ripple wrapper
+       */
+      event = event.originalEvent;
+
+      if(event.touches.length !== 1) {
+        return event.touches[0].pageY - wrapperOffset.top;
+      }
+
+      return false;
+    }
+  };
+
+
+  /**
+   * Get the ripple color
+   */
+  Ripples.prototype.getRipplesColor = function($element) {
+
+    var color = $element.data("ripple-color") ? $element.data("ripple-color") : window.getComputedStyle($element[0]).color;
+
+    return color;
+  };
+
+
+  /**
+   * Verify if the client browser has transistion support
+   */
+  Ripples.prototype.hasTransitionSupport = function() {
+    var thisBody  = document.body || document.documentElement;
+    var thisStyle = thisBody.style;
+
+    var support = (
+      thisStyle.transition !== undefined ||
+      thisStyle.WebkitTransition !== undefined ||
+      thisStyle.MozTransition !== undefined ||
+      thisStyle.MsTransition !== undefined ||
+      thisStyle.OTransition !== undefined
+    );
+
+    return support;
+  };
+
+
+  /**
+   * Verify if the client is using a mobile device
+   */
+  Ripples.prototype.isTouch = function() {
+    return /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
+  };
+
+
+  /**
+   * End the animation of the ripple
+   */
+  Ripples.prototype.rippleEnd = function($ripple) {
+    $ripple.data("animating", "off");
+
+    if($ripple.data("mousedown") === "off") {
+      self.rippleOut($ripple);
+    }
+  };
+
+
+  /**
+   * Turn off the ripple effect
+   */
+  Ripples.prototype.rippleOut = function($ripple) {
+    $ripple.off();
+
+    if(self.hasTransitionSupport()) {
+      $ripple.addClass("ripple-out");
+    } else {
+      $ripple.animate({"opacity": 0}, 100, function() {
+        $ripple.trigger("transitionend");
+      });
+    }
+
+    $ripple.on("transitionend webkitTransitionEnd oTransitionEnd MSTransitionEnd", function() {
+      $ripple.remove();
+    });
+  };
+
+
+  /**
+   * Turn on the ripple effect
+   */
+  Ripples.prototype.rippleOn = function($element, $ripple) {
+    var size = self.getNewSize($element, $ripple);
+
+    if(self.hasTransitionSupport()) {
+      $ripple
+      .css({
+        "-ms-transform": "scale(" + size + ")",
+        "-moz-transform": "scale(" + size + ")",
+        "-webkit-transform": "scale(" + size + ")",
+        "transform": "scale(" + size + ")"
+      })
+      .addClass("ripple-on")
+      .data("animating", "on")
+      .data("mousedown", "on");
+    } else {
+      $ripple.animate({
+        "width": Math.max($element.outerWidth(), $element.outerHeight()) * 2,
+        "height": Math.max($element.outerWidth(), $element.outerHeight()) * 2,
+        "margin-left": Math.max($element.outerWidth(), $element.outerHeight()) * (-1),
+        "margin-top": Math.max($element.outerWidth(), $element.outerHeight()) * (-1),
+        "opacity": 0.2
+      }, 500, function() {
+        $ripple.trigger("transitionend");
+      });
+    }
+  };
+
+
+  /**
+   * Create the jquery plugin function
+   */
+  $.fn.ripples = function(options) {
+    return this.each(function() {
+      if(!$.data(this, "plugin_" + ripples)) {
+        $.data(this, "plugin_" + ripples, new Ripples(this, options));
+      }
+    });
+  };
+
+})(jQuery, window, document);