{I"
class:ETI"ProcessedAsset; FI"logical_path; TI"mercury/history_buffer.js; FI"pathname; TI"Ž/home/edik/.rvm/gems/ruby-2.0.0-p247@very_simple_cms/bundler/gems/mercury-3e0245e33195/app/assets/javascripts/mercury/history_buffer.js.coffee; FI"content_type; TI"application/javascript; TI"
mtime; Tl+˝ˇ9RI"length; TiQI"digest; TI"%826e9233863b82d6d90759c16195b131; FI"source; TI"Q(function() {
  this.Mercury.HistoryBuffer = (function() {
    function HistoryBuffer(maxLength) {
      this.maxLength = maxLength != null ? maxLength : 200;
      this.index = 0;
      this.stack = [];
      this.markerRegExp = /<em class="mercury-marker"><\/em>/g;
    }

    HistoryBuffer.prototype.push = function(item) {
      if (jQuery.type(item) === 'string') {
        if (this.stack[this.index] && this.stack[this.index].replace(this.markerRegExp, '') === item.replace(this.markerRegExp, '')) {
          return;
        }
      } else if (jQuery.type(item) === 'object' && item.html) {
        if (this.stack[this.index] && this.stack[this.index].html === item.html) {
          return;
        }
      }
      this.stack = this.stack.slice(0, this.index + 1);
      this.stack.push(item);
      if (this.stack.length > this.maxLength) {
        this.stack.shift();
      }
      return this.index = this.stack.length - 1;
    };

    HistoryBuffer.prototype.undo = function() {
      if (this.index < 1) {
        return null;
      }
      this.index -= 1;
      return this.stack[this.index];
    };

    HistoryBuffer.prototype.redo = function() {
      if (this.index >= this.stack.length - 1) {
        return null;
      }
      this.index += 1;
      return this.stack[this.index];
    };

    return HistoryBuffer;

  })();

}).call(this);
; TI"dependency_digest; TI"%9981920759714726ce2a76557b4ebeb0; FI"required_paths; T[I"Ž/home/edik/.rvm/gems/ruby-2.0.0-p247@very_simple_cms/bundler/gems/mercury-3e0245e33195/app/assets/javascripts/mercury/history_buffer.js.coffee; FI"dependency_paths; T[{I"	path; TI"Ž/home/edik/.rvm/gems/ruby-2.0.0-p247@very_simple_cms/bundler/gems/mercury-3e0245e33195/app/assets/javascripts/mercury/history_buffer.js.coffee; FI"
mtime; TI"2013-09-18T16:51:09+04:00; TI"digest; TI"%02b5b956831da750f0af40d84d82e3fc; FI"_version; TI"%2cf3622cbba861b85d33ffabfa420c13; F