readmore library

libs/readmore.js

+/*!
+ * Readmore.js jQuery plugin
+ * Author: @jed_foster
+ * Project home: jedfoster.github.io/Readmore.js
+ * Licensed under the MIT license
+ */
+
+;(function($) {
+
+  var readmore = 'readmore',
+      defaults = {
+        speed: 100,
+        maxHeight: 200,
+        heightMargin: 16,
+        moreLink: '<a href="#">Read More</a>',
+        lessLink: '<a href="#">Close</a>',
+        embedCSS: true,
+        sectionCSS: 'display: block; width: 100%;',
+        startOpen: false,
+        expandedClass: 'readmore-js-expanded',
+        collapsedClass: 'readmore-js-collapsed',
+
+        // callbacks
+        beforeToggle: function(){},
+        afterToggle: function(){}
+      },
+      cssEmbedded = false;
+
+  function Readmore( element, options ) {
+    this.element = element;
+
+    this.options = $.extend( {}, defaults, options);
+
+    $(this.element).data('max-height', this.options.maxHeight);
+    $(this.element).data('height-margin', this.options.heightMargin);
+
+    delete(this.options.maxHeight);
+
+    if(this.options.embedCSS && ! cssEmbedded) {
+      var styles = '.readmore-js-toggle, .readmore-js-section { ' + this.options.sectionCSS + ' } .readmore-js-section { overflow: hidden; }';
+
+      (function(d,u) {
+        var css=d.createElement('style');
+        css.type = 'text/css';
+        if(css.styleSheet) {
+            css.styleSheet.cssText = u;
+        }
+        else {
+            css.appendChild(d.createTextNode(u));
+        }
+        d.getElementsByTagName('head')[0].appendChild(css);
+      }(document, styles));
+
+      cssEmbedded = true;
+    }
+
+    this._defaults = defaults;
+    this._name = readmore;
+
+    this.init();
+  }
+
+  Readmore.prototype = {
+
+    init: function() {
+      var $this = this;
+
+      $(this.element).each(function() {
+        var current = $(this),
+            maxHeight = (current.css('max-height').replace(/[^-\d\.]/g, '') > current.data('max-height')) ? current.css('max-height').replace(/[^-\d\.]/g, '') : current.data('max-height'),
+            heightMargin = current.data('height-margin');
+
+        if(current.css('max-height') != 'none') {
+          current.css('max-height', 'none');
+        }
+
+        $this.setBoxHeight(current);
+
+        if(current.outerHeight(true) <= maxHeight + heightMargin) {
+          // The block is shorter than the limit, so there's no need to truncate it.
+          return true;
+        }
+        else {
+          current.addClass('readmore-js-section ' + $this.options.collapsedClass).data('collapsedHeight', maxHeight);
+
+          var useLink = $this.options.startOpen ? $this.options.lessLink : $this.options.moreLink;
+          current.after($(useLink).on('click', function(event) { $this.toggleSlider(this, current, event) }).addClass('readmore-js-toggle'));
+
+          if(!$this.options.startOpen) {
+            current.css({height: maxHeight});
+          }
+        }
+      });
+
+      $(window).on('resize', function(event) {
+        $this.resizeBoxes();
+      });
+    },
+
+    toggleSlider: function(trigger, element, event)
+    {
+      event.preventDefault();
+
+      var $this = this,
+          newHeight = newLink = sectionClass = '',
+          expanded = false,
+          collapsedHeight = $(element).data('collapsedHeight');
+
+      if ($(element).height() <= collapsedHeight) {
+        newHeight = $(element).data('expandedHeight') + 'px';
+        newLink = 'lessLink';
+        expanded = true;
+        sectionClass = $this.options.expandedClass;
+      }
+
+      else {
+        newHeight = collapsedHeight;
+        newLink = 'moreLink';
+        sectionClass = $this.options.collapsedClass;
+      }
+
+      // Fire beforeToggle callback
+      $this.options.beforeToggle(trigger, element, expanded);
+
+      $(element).animate({'height': newHeight}, {duration: $this.options.speed, complete: function() {
+          // Fire afterToggle callback
+          $this.options.afterToggle(trigger, element, expanded);
+
+          $(trigger).replaceWith($($this.options[newLink]).on('click', function(event) { $this.toggleSlider(this, element, event) }).addClass('readmore-js-toggle'));
+
+          $(this).removeClass($this.options.collapsedClass + ' ' + $this.options.expandedClass).addClass(sectionClass);
+        }
+      });
+    },
+
+    setBoxHeight: function(element) {
+      var el = element.clone().css({'height': 'auto', 'width': element.width(), 'overflow': 'hidden'}).insertAfter(element),
+          height = el.outerHeight(true);
+
+      el.remove();
+
+      element.data('expandedHeight', height);
+    },
+
+    resizeBoxes: function() {
+      var $this = this;
+
+      $('.readmore-js-section').each(function() {
+        var current = $(this);
+
+        $this.setBoxHeight(current);
+
+        if(current.height() > current.data('expandedHeight') || (current.hasClass($this.options.expandedClass) && current.height() < current.data('expandedHeight')) ) {
+          current.css('height', current.data('expandedHeight'));
+        }
+      });
+    },
+
+    destroy: function() {
+      var $this = this;
+
+      $(this.element).each(function() {
+        var current = $(this);
+
+        current.removeClass('readmore-js-section ' + $this.options.collapsedClass + ' ' + $this.options.expandedClass).css({'max-height': '', 'height': 'auto'}).next('.readmore-js-toggle').remove();
+
+        current.removeData();
+      });
+    }
+  };
+
+  $.fn[readmore] = function( options ) {
+    var args = arguments;
+    if (options === undefined || typeof options === 'object') {
+      return this.each(function () {
+        if ($.data(this, 'plugin_' + readmore)) {
+          var instance = $.data(this, 'plugin_' + readmore);
+          instance['destroy'].apply(instance);
+        }
+
+        $.data(this, 'plugin_' + readmore, new Readmore( this, options ));
+      });
+    } else if (typeof options === 'string' && options[0] !== '_' && options !== 'init') {
+      return this.each(function () {
+        var instance = $.data(this, 'plugin_' + readmore);
+        if (instance instanceof Readmore && typeof instance[options] === 'function') {
+          instance[options].apply( instance, Array.prototype.slice.call( args, 1 ) );
+        }
+      });
+    }
+  }
+})(jQuery);
\ No newline at end of file

tinawebJS @ 35b9ad93

-Subproject commit 20a0bf3146b45261d7c054b11ac3678dba34a5e5
+Subproject commit 35b9ad93b7917338d8fa6035a427cc89f130796c