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static/js/jquery.tagcloud.js

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+/*!
+ * jquery.tagcloud.js
+ * A Simple Tag Cloud Plugin for JQuery
+ *
+ * https://github.com/addywaddy/jquery.tagcloud.js
+ * created by Adam Groves
+ */
+(function($) {
+
+  /*global jQuery*/
+  "use strict";
+
+  var compareWeights = function(a, b)
+  {
+    return a - b;
+  };
+
+  // Converts hex to an RGB array
+  var toRGB = function(code) {
+    if (code.length === 4) {
+      code = code.replace(/(\w)(\w)(\w)/gi, "\$1\$1\$2\$2\$3\$3");
+    }
+    var hex = /(\w{2})(\w{2})(\w{2})/.exec(code);
+    return [parseInt(hex[1], 16), parseInt(hex[2], 16), parseInt(hex[3], 16)];
+  };
+
+  // Converts an RGB array to hex
+  var toHex = function(ary) {
+    return "#" + jQuery.map(ary, function(i) {
+      var hex =  i.toString(16);
+      hex = (hex.length === 1) ? "0" + hex : hex;
+      return hex;
+    }).join("");
+  };
+
+  var colorIncrement = function(color, range) {
+    return jQuery.map(toRGB(color.end), function(n, i) {
+      return (n - toRGB(color.start)[i])/range;
+    });
+  };
+
+  var tagColor = function(color, increment, weighting) {
+    var rgb = jQuery.map(toRGB(color.start), function(n, i) {
+      var ref = Math.round(n + (increment[i] * weighting));
+      if (ref > 255) {
+        ref = 255;
+      } else {
+        if (ref < 0) {
+          ref = 0;
+        }
+      }
+      return ref;
+    });
+    return toHex(rgb);
+  };
+
+  $.fn.tagcloud = function(options) {
+
+    var opts = $.extend({}, $.fn.tagcloud.defaults, options);
+    var tagWeights = this.map(function(){
+      return $(this).attr("rel");
+    });
+    tagWeights = jQuery.makeArray(tagWeights).sort(compareWeights);
+    var lowest = tagWeights[0];
+    var highest = tagWeights.pop();
+    var range = highest - lowest;
+    if(range === 0) {range = 1;}
+    // Sizes
+    var fontIncr, colorIncr;
+    if (opts.size) {
+      fontIncr = (opts.size.end - opts.size.start)/range;
+    }
+    // Colors
+    if (opts.color) {
+      colorIncr = colorIncrement (opts.color, range);
+    }
+    return this.each(function() {
+      var weighting = $(this).attr("rel") - lowest;
+      if (opts.size) {
+        $(this).css({"font-size": opts.size.start + (weighting * fontIncr) + opts.size.unit});
+      }
+      if (opts.color) {
+        $(this).css({"color": tagColor(opts.color, colorIncr, weighting)});
+      }
+    });
+  };
+
+  $.fn.tagcloud.defaults = {
+    size: {start: 14, end: 18, unit: "pt"}
+  };
+
+})(jQuery);

static/js/main.js

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+// To make images retina, add a class "2x" to the img element
+// and add a <image-name>@2x.png image. Assumes jquery is loaded.
+ 
+function isRetina() {
+	var mediaQuery = "(-webkit-min-device-pixel-ratio: 1.5),\
+					  (min--moz-device-pixel-ratio: 1.5),\
+					  (-o-min-device-pixel-ratio: 3/2),\
+					  (min-resolution: 1.5dppx)";
+ 
+	if (window.devicePixelRatio > 1)
+		return true;
+ 
+	if (window.matchMedia && window.matchMedia(mediaQuery).matches)
+		return true;
+ 
+	return false;
+};
+ 
+ 
+function retina() {
+	
+	if (!isRetina())
+		return;
+	
+	$("img.2x").map(function(i, image) {
+		
+		var path = $(image).attr("src");
+		
+		path = path.replace(".png", "@2x.png");
+		path = path.replace(".jpg", "@2x.jpg");
+		
+		$(image).attr("src", path);
+	});
+};
+ 
+$(document).ready(retina);