move the sticky-kit^Cquery plugin to /lib and see if we want this for the whole app

2 files changed, 275 insertions, 0 deletions

diff --git a/library/sticky-kit/sticky-kit.js b/library/sticky-kit/sticky-kit.js
new file mode 100644
index 000000000..00b1ea2ff
--- /dev/null
+++ b/library/sticky-kit/sticky-kit.js
@@ -0,0 +1,265 @@
+// Generated by CoffeeScript 1.10.0
+
+/**
+@license Sticky-kit v1.1.3 | MIT | Leaf Corcoran 2015 | http://leafo.net
+ */
+
+(function() {
+  var $, win;
+
+  $ = window.jQuery;
+
+  win = $(window);
+
+  $.fn.stick_in_parent = function(opts) {
+    var doc, elm, enable_bottoming, fn, i, inner_scrolling, len, manual_spacer, offset_top, outer_width, parent_selector, recalc_every, sticky_class;
+    if (opts == null) {
+      opts = {};
+    }
+    sticky_class = opts.sticky_class, inner_scrolling = opts.inner_scrolling, recalc_every = opts.recalc_every, parent_selector = opts.parent, offset_top = opts.offset_top, manual_spacer = opts.spacer, enable_bottoming = opts.bottoming;
+    if (offset_top == null) {
+      offset_top = 0;
+    }
+    if (parent_selector == null) {
+      parent_selector = void 0;
+    }
+    if (inner_scrolling == null) {
+      inner_scrolling = true;
+    }
+    if (sticky_class == null) {
+      sticky_class = "is_stuck";
+    }
+    doc = $(document);
+    if (enable_bottoming == null) {
+      enable_bottoming = true;
+    }
+    outer_width = function(el) {
+      var _el, computed, w;
+      if (window.getComputedStyle) {
+        _el = el[0];
+        computed = window.getComputedStyle(el[0]);
+        w = parseFloat(computed.getPropertyValue("width")) + parseFloat(computed.getPropertyValue("margin-left")) + parseFloat(computed.getPropertyValue("margin-right"));
+        if (computed.getPropertyValue("box-sizing") !== "border-box") {
+          w += parseFloat(computed.getPropertyValue("border-left-width")) + parseFloat(computed.getPropertyValue("border-right-width")) + parseFloat(computed.getPropertyValue("padding-left")) + parseFloat(computed.getPropertyValue("padding-right"));
+        }
+        return w;
+      } else {
+        return el.outerWidth(true);
+      }
+    };
+    fn = function(elm, padding_bottom, parent_top, parent_height, top, height, el_float, detached) {
+      var bottomed, detach, fixed, last_pos, last_scroll_height, offset, parent, recalc, recalc_and_tick, recalc_counter, spacer, tick;
+      if (elm.data("sticky_kit")) {
+        return;
+      }
+      elm.data("sticky_kit", true);
+      last_scroll_height = doc.height();
+      parent = elm.parent();
+      if (parent_selector != null) {
+        parent = parent.closest(parent_selector);
+      }
+      if (!parent.length) {
+        throw "failed to find stick parent";
+      }
+      fixed = false;
+      bottomed = false;
+      spacer = manual_spacer != null ? manual_spacer && elm.closest(manual_spacer) : $("<div />");
+      if (spacer) {
+        spacer.css('position', elm.css('position'));
+      }
+      recalc = function() {
+        var border_top, padding_top, restore;
+        if (detached) {
+          return;
+        }
+        last_scroll_height = doc.height();
+        border_top = parseInt(parent.css("border-top-width"), 10);
+        padding_top = parseInt(parent.css("padding-top"), 10);
+        padding_bottom = parseInt(parent.css("padding-bottom"), 10);
+        parent_top = parent.offset().top + border_top + padding_top;
+        parent_height = parent.height();
+        if (fixed) {
+          fixed = false;
+          bottomed = false;
+          if (manual_spacer == null) {
+            elm.insertAfter(spacer);
+            spacer.detach();
+          }
+          elm.css({
+            position: "",
+            top: "",
+            width: "",
+            bottom: ""
+          }).removeClass(sticky_class);
+          restore = true;
+        }
+        top = elm.offset().top - (parseInt(elm.css("margin-top"), 10) || 0) - offset_top;
+        height = elm.outerHeight(true);
+        el_float = elm.css("float");
+        if (spacer) {
+          spacer.css({
+            width: outer_width(elm),
+            height: height,
+            display: elm.css("display"),
+            "vertical-align": elm.css("vertical-align"),
+            "float": el_float
+          });
+        }
+        if (restore) {
+          return tick();
+        }
+      };
+      recalc();
+      if (height === parent_height) {
+        return;
+      }
+      last_pos = void 0;
+      offset = offset_top;
+      recalc_counter = recalc_every;
+      tick = function() {
+        var css, delta, recalced, scroll, will_bottom, win_height;
+        if (detached) {
+          return;
+        }
+        recalced = false;
+        if (recalc_counter != null) {
+          recalc_counter -= 1;
+          if (recalc_counter <= 0) {
+            recalc_counter = recalc_every;
+            recalc();
+            recalced = true;
+          }
+        }
+        if (!recalced && doc.height() !== last_scroll_height) {
+          recalc();
+          recalced = true;
+        }
+        scroll = win.scrollTop();
+        if (last_pos != null) {
+          delta = scroll - last_pos;
+        }
+        last_pos = scroll;
+        if (fixed) {
+          if (enable_bottoming) {
+            will_bottom = scroll + height + offset > parent_height + parent_top;
+            if (bottomed && !will_bottom) {
+              bottomed = false;
+              elm.css({
+                position: "fixed",
+                bottom: "",
+                top: offset
+              }).trigger("sticky_kit:unbottom");
+            }
+          }
+          if (scroll < top) {
+            fixed = false;
+            offset = offset_top;
+            if (manual_spacer == null) {
+              if (el_float === "left" || el_float === "right") {
+                elm.insertAfter(spacer);
+              }
+              spacer.detach();
+            }
+            css = {
+              position: "",
+              width: "",
+              top: ""
+            };
+            elm.css(css).removeClass(sticky_class).trigger("sticky_kit:unstick");
+          }
+          if (inner_scrolling) {
+            win_height = win.height();
+            if (height + offset_top > win_height) {
+              if (!bottomed) {
+                offset -= delta;
+                offset = Math.max(win_height - height, offset);
+                offset = Math.min(offset_top, offset);
+                if (fixed) {
+                  elm.css({
+                    top: offset + "px"
+                  });
+                }
+              }
+            }
+          }
+        } else {
+          if (scroll > top) {
+            fixed = true;
+            css = {
+              position: "fixed",
+              top: offset
+            };
+            css.width = elm.css("box-sizing") === "border-box" ? elm.outerWidth() + "px" : elm.width() + "px";
+            elm.css(css).addClass(sticky_class);
+            if (manual_spacer == null) {
+              elm.after(spacer);
+              if (el_float === "left" || el_float === "right") {
+                spacer.append(elm);
+              }
+            }
+            elm.trigger("sticky_kit:stick");
+          }
+        }
+        if (fixed && enable_bottoming) {
+          if (will_bottom == null) {
+            will_bottom = scroll + height + offset > parent_height + parent_top;
+          }
+          if (!bottomed && will_bottom) {
+            bottomed = true;
+            if (parent.css("position") === "static") {
+              parent.css({
+                position: "relative"
+              });
+            }
+            return elm.css({
+              position: "absolute",
+              bottom: padding_bottom,
+              top: "auto"
+            }).trigger("sticky_kit:bottom");
+          }
+        }
+      };
+      recalc_and_tick = function() {
+        recalc();
+        return tick();
+      };
+      detach = function() {
+        detached = true;
+        win.off("touchmove", tick);
+        win.off("scroll", tick);
+        win.off("resize", recalc_and_tick);
+        $(document.body).off("sticky_kit:recalc", recalc_and_tick);
+        elm.off("sticky_kit:detach", detach);
+        elm.removeData("sticky_kit");
+        elm.css({
+          position: "",
+          bottom: "",
+          top: "",
+          width: ""
+        });
+        parent.position("position", "");
+        if (fixed) {
+          if (manual_spacer == null) {
+            if (el_float === "left" || el_float === "right") {
+              elm.insertAfter(spacer);
+            }
+            spacer.remove();
+          }
+          return elm.removeClass(sticky_class);
+        }
+      };
+      win.on("touchmove", tick);
+      win.on("scroll", tick);
+      win.on("resize", recalc_and_tick);
+      $(document.body).on("sticky_kit:recalc", recalc_and_tick);
+      elm.on("sticky_kit:detach", detach);
+      return setTimeout(tick, 0);
+    };
+    for (i = 0, len = this.length; i < len; i++) {
+      elm = this[i];
+      fn($(elm));
+    }
+    return this;
+  };
+
+}).call(this);
diff --git a/library/sticky-kit/sticky-kit.min.js b/library/sticky-kit/sticky-kit.min.js
new file mode 100644
index 000000000..c4d7f2e3b
--- /dev/null
+++ b/library/sticky-kit/sticky-kit.min.js
@@ -0,0 +1,10 @@
+/*
+ Sticky-kit v1.1.3 | MIT | Leaf Corcoran 2015 | http://leafo.net
+*/
+(function(){var c,f;c=window.jQuery;f=c(window);c.fn.stick_in_parent=function(b){var A,w,J,n,B,K,p,q,L,k,E,t;null==b&&(b={});t=b.sticky_class;B=b.inner_scrolling;E=b.recalc_every;k=b.parent;q=b.offset_top;p=b.spacer;w=b.bottoming;null==q&&(q=0);null==k&&(k=void 0);null==B&&(B=!0);null==t&&(t="is_stuck");A=c(document);null==w&&(w=!0);L=function(a){var b;return window.getComputedStyle?(a=window.getComputedStyle(a[0]),b=parseFloat(a.getPropertyValue("width"))+parseFloat(a.getPropertyValue("margin-left"))+
+parseFloat(a.getPropertyValue("margin-right")),"border-box"!==a.getPropertyValue("box-sizing")&&(b+=parseFloat(a.getPropertyValue("border-left-width"))+parseFloat(a.getPropertyValue("border-right-width"))+parseFloat(a.getPropertyValue("padding-left"))+parseFloat(a.getPropertyValue("padding-right"))),b):a.outerWidth(!0)};J=function(a,b,n,C,F,u,r,G){var v,H,m,D,I,d,g,x,y,z,h,l;if(!a.data("sticky_kit")){a.data("sticky_kit",!0);I=A.height();g=a.parent();null!=k&&(g=g.closest(k));if(!g.length)throw"failed to find stick parent";
+v=m=!1;(h=null!=p?p&&a.closest(p):c("<div />"))&&h.css("position",a.css("position"));x=function(){var d,f,e;if(!G&&(I=A.height(),d=parseInt(g.css("border-top-width"),10),f=parseInt(g.css("padding-top"),10),b=parseInt(g.css("padding-bottom"),10),n=g.offset().top+d+f,C=g.height(),m&&(v=m=!1,null==p&&(a.insertAfter(h),h.detach()),a.css({position:"",top:"",width:"",bottom:""}).removeClass(t),e=!0),F=a.offset().top-(parseInt(a.css("margin-top"),10)||0)-q,u=a.outerHeight(!0),r=a.css("float"),h&&h.css({width:L(a),
+height:u,display:a.css("display"),"vertical-align":a.css("vertical-align"),"float":r}),e))return l()};x();if(u!==C)return D=void 0,d=q,z=E,l=function(){var c,l,e,k;if(!G&&(e=!1,null!=z&&(--z,0>=z&&(z=E,x(),e=!0)),e||A.height()===I||x(),e=f.scrollTop(),null!=D&&(l=e-D),D=e,m?(w&&(k=e+u+d>C+n,v&&!k&&(v=!1,a.css({position:"fixed",bottom:"",top:d}).trigger("sticky_kit:unbottom"))),e<F&&(m=!1,d=q,null==p&&("left"!==r&&"right"!==r||a.insertAfter(h),h.detach()),c={position:"",width:"",top:""},a.css(c).removeClass(t).trigger("sticky_kit:unstick")),
+B&&(c=f.height(),u+q>c&&!v&&(d-=l,d=Math.max(c-u,d),d=Math.min(q,d),m&&a.css({top:d+"px"})))):e>F&&(m=!0,c={position:"fixed",top:d},c.width="border-box"===a.css("box-sizing")?a.outerWidth()+"px":a.width()+"px",a.css(c).addClass(t),null==p&&(a.after(h),"left"!==r&&"right"!==r||h.append(a)),a.trigger("sticky_kit:stick")),m&&w&&(null==k&&(k=e+u+d>C+n),!v&&k)))return v=!0,"static"===g.css("position")&&g.css({position:"relative"}),a.css({position:"absolute",bottom:b,top:"auto"}).trigger("sticky_kit:bottom")},
+y=function(){x();return l()},H=function(){G=!0;f.off("touchmove",l);f.off("scroll",l);f.off("resize",y);c(document.body).off("sticky_kit:recalc",y);a.off("sticky_kit:detach",H);a.removeData("sticky_kit");a.css({position:"",bottom:"",top:"",width:""});g.position("position","");if(m)return null==p&&("left"!==r&&"right"!==r||a.insertAfter(h),h.remove()),a.removeClass(t)},f.on("touchmove",l),f.on("scroll",l),f.on("resize",y),c(document.body).on("sticky_kit:recalc",y),a.on("sticky_kit:detach",H),setTimeout(l,
+0)}};n=0;for(K=this.length;n<K;n++)b=this[n],J(c(b));return this}}).call(this);