From 2c0a9fd5f1ccaf969acf80dd8b60e2224a0a1bfb Mon Sep 17 00:00:00 2001
From: Navan Chauhan <navanchauhan@gmail.com>
Date: Fri, 26 Jan 2018 22:02:37 +0530
Subject: New Timeline interface

---
 js/timeline.js | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 js/timeline.js

(limited to 'js')

diff --git a/js/timeline.js b/js/timeline.js
new file mode 100644
index 0000000..5f5aa7c
--- /dev/null
+++ b/js/timeline.js
@@ -0,0 +1,56 @@
+(function($) {
+  $.fn.timeline = function() {
+    var selectors = {
+      id: $(this),
+      item: $(this).find(".timeline-item"),
+      activeClass: "timeline-item--active",
+      img: ".timeline__img"
+    };
+    selectors.item.eq(0).addClass(selectors.activeClass);
+    selectors.id.css(
+      "background-image",
+      "url(" +
+        selectors.item
+          .first()
+          .find(selectors.img)
+          .attr("src") +
+        ")"
+    );
+    var itemLength = selectors.item.length;
+    $(window).scroll(function() {
+      var max, min;
+      var pos = $(this).scrollTop();
+      selectors.item.each(function(i) {
+        min = $(this).offset().top;
+        max = $(this).height() + $(this).offset().top;
+        var that = $(this);
+        if (i == itemLength - 2 && pos > min + $(this).height() / 2) {
+          selectors.item.removeClass(selectors.activeClass);
+          selectors.id.css(
+            "background-image",
+            "url(" +
+              selectors.item
+                .last()
+                .find(selectors.img)
+                .attr("src") +
+              ")"
+          );
+          selectors.item.last().addClass(selectors.activeClass);
+        } else if (pos <= max - 40 && pos >= min) {
+          selectors.id.css(
+            "background-image",
+            "url(" +
+              $(this)
+                .find(selectors.img)
+                .attr("src") +
+              ")"
+          );
+          selectors.item.removeClass(selectors.activeClass);
+          $(this).addClass(selectors.activeClass);
+        }
+      });
+    });
+  };
+})(jQuery);
+
+$("#timeline-1").timeline();
\ No newline at end of file
-- 
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