540 lines
16 KiB
JavaScript
540 lines
16 KiB
JavaScript
(function() {
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var __slice = [].slice;
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(function($) {
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var Bus, Leg, methods, tourbus, uniqueId, _addRule, _assemble, _busses, _dataProp, _include, _tours;
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tourbus = $.tourbus = function() {
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var args, method;
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args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
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method = args[0];
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if (methods.hasOwnProperty(method)) {
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args = args.slice(1);
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} else if (method instanceof $) {
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method = 'build';
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} else if (typeof method === 'string') {
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method = 'build';
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args[0] = $(args[0]);
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} else {
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$.error("Unknown method of $.tourbus --", args);
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}
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return methods[method].apply(this, args);
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};
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$.fn.tourbus = function() {
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var args;
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args = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
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return this.each(function() {
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args.unshift($(this));
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tourbus.apply(null, ['build'].concat(__slice.call(args)));
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return this;
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});
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};
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methods = {
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build: function(el, options) {
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var built;
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if (options == null) {
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options = {};
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}
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options = $.extend(true, {}, tourbus.defaults, options);
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built = [];
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if (!(el instanceof $)) {
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el = $(el);
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}
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el.each(function() {
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return built.push(_assemble(this, options));
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});
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if (built.length === 0) {
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$.error("" + el.selector + " was not found!");
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}
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if (built.length === 1) {
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return built[0];
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}
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return built;
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},
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destroyAll: function() {
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var bus, index, _results;
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_results = [];
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for (index in _busses) {
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bus = _busses[index];
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_results.push(bus.destroy());
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}
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return _results;
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},
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expose: function(global) {
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return global.tourbus = {
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Bus: Bus,
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Leg: Leg
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};
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}
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};
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tourbus.defaults = {
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debug: false,
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autoDepart: false,
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target: 'body',
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startAt: 0,
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onDepart: function() {
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return null;
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},
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onStop: function() {
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return null;
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},
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onLegStart: function() {
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return null;
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},
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onLegEnd: function() {
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return null;
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},
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leg: {
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scrollTo: null,
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scrollSpeed: 150,
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scrollContext: 100,
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orientation: 'bottom',
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align: 'left',
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width: 'auto',
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margin: 10,
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top: null,
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left: null,
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arrow: "35%"
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}
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};
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/* Internal
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*/
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Bus = (function() {
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function Bus(el, options) {
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this.id = uniqueId();
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this.$target = $(options.target);
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this.$el = $(el);
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this.$el.data({
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tourbus: this
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});
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this.options = options;
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this.currentLegIndex = null;
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this.legs = null;
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this.legEls = this.$el.children('li');
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this.totalLegs = this.legEls.length;
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this._setupEvents();
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if (this.options.autoDepart) {
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this.$el.trigger('depart.tourbus');
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}
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this._log('built tourbus with el', el.toString(), 'and options', this.options);
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}
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Bus.prototype.depart = function() {
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this.running = true;
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this.options.onDepart(this);
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this._log('departing', this);
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this.legs = this._buildLegs();
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this.currentLegIndex = this.options.startAt;
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return this.showLeg();
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};
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Bus.prototype.stop = function() {
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if (!this.running) {
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return;
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}
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if (this.legs) {
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$.each(this.legs, $.proxy(this.hideLeg, this));
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}
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this.currentLegIndex = this.options.startAt;
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this.options.onStop(this);
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return this.running = false;
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};
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Bus.prototype.on = function(event, selector, fn) {
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return this.$target.on(event, selector, fn);
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};
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Bus.prototype.currentLeg = function() {
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if (this.currentLegIndex === null) {
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return null;
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}
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return this.legs[this.currentLegIndex];
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};
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Bus.prototype.showLeg = function(index) {
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var leg, preventDefault;
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if (index == null) {
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index = this.currentLegIndex;
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}
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leg = this.legs[index];
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this._log('showLeg:', leg);
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preventDefault = this.options.onLegStart(leg, this);
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if (preventDefault !== false) {
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return leg.show();
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}
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};
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Bus.prototype.hideLeg = function(index) {
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var leg, preventDefault;
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if (index == null) {
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index = this.currentLegIndex;
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}
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leg = this.legs[index];
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this._log('hideLeg:', leg);
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preventDefault = this.options.onLegEnd(leg, this);
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if (preventDefault !== false) {
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return leg.hide();
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}
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};
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Bus.prototype.repositionLegs = function() {
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if (this.legs) {
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return $.each(this.legs, function() {
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return this.reposition();
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});
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}
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};
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Bus.prototype.next = function() {
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this.hideLeg();
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this.currentLegIndex++;
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if (this.currentLegIndex > this.totalLegs - 1) {
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return this.stop();
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}
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return this.showLeg();
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};
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Bus.prototype.prev = function(cb) {
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this.hideLeg();
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this.currentLegIndex--;
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if (this.currentLegIndex < 0) {
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return this.stop();
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}
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return this.showLeg();
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};
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Bus.prototype.destroy = function() {
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if (this.legs) {
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$.each(this.legs, function() {
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return this.destroy();
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});
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}
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this.legs = null;
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delete _busses[this.id];
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return this._teardownEvents();
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};
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Bus.prototype._buildLegs = function() {
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var _this = this;
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if (this.legs) {
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$.each(this.legs, function(_, leg) {
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return leg.destroy();
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});
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}
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return $.map(this.legEls, function(legEl, i) {
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var $legEl, data, leg;
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$legEl = $(legEl);
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data = $legEl.data();
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leg = new Leg({
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content: $legEl.html(),
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target: data.el || 'body',
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bus: _this,
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index: i,
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rawData: data
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});
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leg.render();
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_this.$target.append(leg.$el);
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leg._position();
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leg.hide();
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return leg;
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});
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};
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Bus.prototype._log = function() {
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if (!this.options.debug) {
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return;
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}
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return console.log.apply(console, ["TOURBUS " + this.id + ":"].concat(__slice.call(arguments)));
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};
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Bus.prototype._setupEvents = function() {
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this.$el.on('depart.tourbus', $.proxy(this.depart, this));
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this.$el.on('stop.tourbus', $.proxy(this.stop, this));
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this.$el.on('next.tourbus', $.proxy(this.next, this));
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return this.$el.on('prev.tourbus', $.proxy(this.prev, this));
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};
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Bus.prototype._teardownEvents = function() {
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return this.$el.off('.tourbus');
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};
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return Bus;
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})();
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Leg = (function() {
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function Leg(options) {
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this.bus = options.bus;
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this.rawData = options.rawData;
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this.content = options.content;
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this.index = options.index;
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this.options = options;
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this.$target = $(options.target);
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if (this.$target.length === 0) {
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throw "" + this.$target.selector + " is not an element!";
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}
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this._setupOptions();
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this._configureElement();
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this._configureTarget();
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this._configureScroll();
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this._setupEvents();
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this.bus._log("leg " + this.index + " made with options", this.options);
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}
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Leg.prototype.render = function() {
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var arrowClass, html;
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arrowClass = this.options.orientation === 'centered' ? '' : 'tourbus-arrow';
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this.$el.addClass(" " + arrowClass + " tourbus-arrow-" + this.options.orientation + " ");
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html = "<div class='tourbus-leg-inner'>\n " + this.content + "\n</div>";
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this.$el.css({
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width: this.options.width
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}).html(html);
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return this;
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};
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Leg.prototype.destroy = function() {
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this.$el.remove();
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return this._teardownEvents();
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};
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Leg.prototype.reposition = function() {
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this._configureTarget();
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return this._position();
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};
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Leg.prototype._position = function() {
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var css, keys, rule, selector;
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if (this.options.orientation !== 'centered') {
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rule = {};
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keys = {
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top: 'left',
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bottom: 'left',
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left: 'top',
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right: 'top'
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};
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if (typeof this.options.arrow === 'number') {
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this.options.arrow += 'px';
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}
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rule[keys[this.options.orientation]] = this.options.arrow;
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selector = "#" + this.id + ".tourbus-arrow";
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this.bus._log("adding rule for " + this.id, rule);
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_addRule("" + selector + ":before, " + selector + ":after", rule);
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}
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css = this._offsets();
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this.bus._log('setting offsets on leg', css);
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return this.$el.css(css);
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};
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Leg.prototype.show = function() {
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this.$el.css({
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visibility: 'visible',
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opacity: 1.0,
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zIndex: 9999
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});
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return this.scrollIntoView();
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};
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Leg.prototype.hide = function() {
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if (this.bus.options.debug) {
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return this.$el.css({
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visibility: 'visible',
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opacity: 0.4,
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zIndex: 0
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});
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} else {
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return this.$el.css({
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visibility: 'hidden'
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});
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}
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};
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Leg.prototype.scrollIntoView = function() {
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var scrollTarget;
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if (!this.willScroll) {
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return;
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}
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scrollTarget = _dataProp(this.options.scrollTo, this.$el);
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this.bus._log('scrolling to', scrollTarget, this.scrollSettings);
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return $.scrollTo(scrollTarget, this.scrollSettings);
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};
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Leg.prototype._setupOptions = function() {
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var globalOptions;
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globalOptions = this.bus.options.leg;
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this.options.top = _dataProp(this.rawData.top, globalOptions.top);
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this.options.left = _dataProp(this.rawData.left, globalOptions.left);
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this.options.scrollTo = _dataProp(this.rawData.scrollTo, globalOptions.scrollTo);
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this.options.scrollSpeed = _dataProp(this.rawData.scrollSpeed, globalOptions.scrollSpeed);
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this.options.scrollContext = _dataProp(this.rawData.scrollContext, globalOptions.scrollContext);
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this.options.margin = _dataProp(this.rawData.margin, globalOptions.margin);
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this.options.arrow = this.rawData.arrow || globalOptions.arrow;
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this.options.align = this.rawData.align || globalOptions.align;
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this.options.width = this.rawData.width || globalOptions.width;
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return this.options.orientation = this.rawData.orientation || globalOptions.orientation;
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};
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Leg.prototype._configureElement = function() {
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this.id = "tourbus-leg-id-" + this.bus.id + "-" + this.options.index;
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this.$el = $("<div class='tourbus-leg'></div>");
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this.el = this.$el[0];
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this.$el.attr({
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id: this.id
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});
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return this.$el.css({
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zIndex: 9999
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});
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};
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Leg.prototype._setupEvents = function() {
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this.$el.on('click', '.tourbus-next', $.proxy(this.bus.next, this.bus));
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this.$el.on('click', '.tourbus-prev', $.proxy(this.bus.prev, this.bus));
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return this.$el.on('click', '.tourbus-stop', $.proxy(this.bus.stop, this.bus));
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};
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Leg.prototype._teardownEvents = function() {
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return this.$el.off('click');
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};
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Leg.prototype._configureTarget = function() {
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this.targetOffset = this.$target.offset();
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if (_dataProp(this.options.top, false)) {
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this.targetOffset.top = this.options.top;
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}
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if (_dataProp(this.options.left, false)) {
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this.targetOffset.left = this.options.left;
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}
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this.targetWidth = this.$target.outerWidth();
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return this.targetHeight = this.$target.outerHeight();
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};
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Leg.prototype._configureScroll = function() {
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this.willScroll = $.fn.scrollTo && this.options.scrollTo !== false;
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return this.scrollSettings = {
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offset: -this.options.scrollContext,
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easing: 'linear',
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axis: 'y',
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duration: this.options.scrollSpeed
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};
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};
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Leg.prototype._offsets = function() {
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var dimension, elHalf, elHeight, elWidth, offsets, targetHalf, targetHeightOverride, validOrientations;
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elHeight = this.$el.height();
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elWidth = this.$el.width();
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offsets = {};
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switch (this.options.orientation) {
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case 'centered':
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targetHeightOverride = $(window).height();
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offsets.top = this.options.top;
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if (!_dataProp(offsets.top, false)) {
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offsets.top = (targetHeightOverride / 2) - (elHeight / 2);
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}
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offsets.left = (this.targetWidth / 2) - (elWidth / 2);
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break;
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case 'left':
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offsets.top = this.targetOffset.top;
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offsets.left = this.targetOffset.left - elWidth - this.options.margin;
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break;
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case 'right':
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offsets.top = this.targetOffset.top;
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offsets.left = this.targetOffset.left + this.targetWidth + this.options.margin;
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break;
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case 'top':
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offsets.top = this.targetOffset.top - elHeight - this.options.margin;
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offsets.left = this.targetOffset.left;
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break;
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case 'bottom':
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offsets.top = this.targetOffset.top + this.targetHeight + this.options.margin;
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offsets.left = this.targetOffset.left;
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}
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validOrientations = {
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top: ['left', 'right'],
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bottom: ['left', 'right'],
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left: ['top', 'bottom'],
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right: ['top', 'bottom']
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};
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if (_include(this.options.orientation, validOrientations[this.options.align])) {
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switch (this.options.align) {
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case 'right':
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offsets.left += this.targetWidth - elWidth;
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break;
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case 'bottom':
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offsets.top += this.targetHeight - elHeight;
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}
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} else if (this.options.align === 'center') {
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if (_include(this.options.orientation, validOrientations.left)) {
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targetHalf = this.targetWidth / 2;
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elHalf = elWidth / 2;
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dimension = 'left';
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} else {
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targetHalf = this.targetHeight / 2;
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elHalf = elHeight / 2;
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dimension = 'top';
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}
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if (targetHalf > elHalf) {
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offsets[dimension] += targetHalf - elHalf;
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} else {
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offsets[dimension] -= elHalf - targetHalf;
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}
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}
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return offsets;
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};
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return Leg;
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})();
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_tours = 0;
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uniqueId = function() {
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return _tours++;
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};
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_busses = {};
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_assemble = function() {
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var bus;
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bus = (function(func, args, ctor) {
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ctor.prototype = func.prototype;
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var child = new ctor, result = func.apply(child, args);
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return Object(result) === result ? result : child;
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})(Bus, arguments, function(){});
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_busses[bus.id] = bus;
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return bus;
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};
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_dataProp = function(possiblyFalsy, alternative) {
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if (possiblyFalsy === null || typeof possiblyFalsy === 'undefined') {
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return alternative;
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}
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return possiblyFalsy;
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};
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_include = function(value, array) {
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return $.inArray(value, array || []) !== -1;
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};
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return _addRule = (function(styleTag) {
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var sheet;
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styleTag.type = 'text/css';
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document.getElementsByTagName('head')[0].appendChild(styleTag);
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sheet = document.styleSheets[document.styleSheets.length - 1];
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return function(selector, css) {
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var key, propText;
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propText = $.map((function() {
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var _results;
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_results = [];
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for (key in css) {
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_results.push(key);
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}
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return _results;
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})(), function(p) {
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return "" + p + ":" + css[p];
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}).join(';');
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try {
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if (sheet.insertRule) {
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sheet.insertRule("" + selector + " { " + propText + " }", (sheet.cssRules || sheet.rules).length);
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} else {
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sheet.addRule(selector, propText);
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}
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} catch (_error) {}
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};
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})(document.createElement('style'));
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})(jQuery);
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}).call(this);
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