628 lines
20 KiB
JavaScript
628 lines
20 KiB
JavaScript
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/*!
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* jQuery-Seat-Charts v1.1.5
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* https://github.com/mateuszmarkowski/jQuery-Seat-Charts
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*
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* Copyright 2013, 2016 Mateusz Markowski
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* Released under the MIT license
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*/
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(function($) {
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//'use strict';
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$.fn.seatCharts = function (setup) {
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//if there's seatCharts object associated with the current element, return it
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if (this.data('seatCharts')) {
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return this.data('seatCharts');
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}
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var fn = this,
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seats = {},
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seatIds = [],
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legend,
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settings = {
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animate : false, //requires jQuery UI
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naming : {
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top : true,
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left : true,
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getId : function(character, row, column) {
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return row + '_' + column;
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},
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getLabel : function (character, row, column) {
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return column;
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}
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},
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legend : {
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node : null,
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items : []
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},
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click : function() {
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if (this.status() == 'available') {
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return 'selected';
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} else if (this.status() == 'selected') {
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return 'available';
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} else {
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return this.style();
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}
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},
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focus : function() {
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if (this.status() == 'available') {
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return 'focused';
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} else {
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return this.style();
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}
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},
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blur : function() {
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return this.status();
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},
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seats : {}
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},
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//seat will be basically a seat object which we'll when generating the map
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seat = (function(seatCharts, seatChartsSettings) {
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return function (setup) {
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var fn = this;
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fn.settings = $.extend({
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status : 'available', //available, unavailable, selected
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style : 'available',
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//make sure there's an empty hash if user doesn't pass anything
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data : seatChartsSettings.seats[setup.character] || {}
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//anything goes here?
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}, setup);
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fn.settings.$node = $('<div></div>');
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fn.settings.$node
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.attr({
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id : fn.settings.id,
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role : 'checkbox',
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'aria-checked' : false,
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focusable : true,
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tabIndex : -1 //manual focus
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})
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.text(fn.settings.label)
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.addClass(['seatCharts-seat', 'seatCharts-cell', 'available'].concat(
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//let's merge custom user defined classes with standard JSC ones
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fn.settings.classes,
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typeof seatChartsSettings.seats[fn.settings.character] == "undefined" ?
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[] : seatChartsSettings.seats[fn.settings.character].classes
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).join(' '));
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//basically a wrapper function
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fn.data = function() {
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return fn.settings.data;
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};
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fn.char = function() {
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return fn.settings.character;
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};
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fn.node = function() {
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return fn.settings.$node;
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};
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/*
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* Can either set or return status depending on arguments.
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*
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* If there's no argument, it will return the current style.
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*
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* If you pass an argument, it will update seat's style
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*/
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fn.style = function() {
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return arguments.length == 1 ?
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(function(newStyle) {
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var oldStyle = fn.settings.style;
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//if nothing changes, do nothing
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if (newStyle == oldStyle) {
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return oldStyle;
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}
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//focused is a special style which is not associated with status
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fn.settings.status = newStyle != 'focused' ? newStyle : fn.settings.status;
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fn.settings.$node
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.attr('aria-checked', newStyle == 'selected');
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//if user wants to animate status changes, let him do this
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seatChartsSettings.animate ?
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fn.settings.$node.switchClass(oldStyle, newStyle, 200) :
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fn.settings.$node.removeClass(oldStyle).addClass(newStyle);
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return fn.settings.style = newStyle;
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})(arguments[0]) : fn.settings.style;
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};
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//either set or retrieve
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fn.status = function() {
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return fn.settings.status = arguments.length == 1 ?
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fn.style(arguments[0]) : fn.settings.status;
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};
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//using immediate function to convienietly get shortcut variables
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(function(seatSettings, character, seat) {
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//attach event handlers
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$.each(['click', 'focus', 'blur'], function(index, callback) {
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//we want to be able to call the functions for each seat object
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fn[callback] = function() {
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if (callback == 'focus') {
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//if there's already a focused element, we have to remove focus from it first
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if (seatCharts.attr('aria-activedescendant') !== undefined) {
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seats[seatCharts.attr('aria-activedescendant')].blur();
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}
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seatCharts.attr('aria-activedescendant', seat.settings.id);
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seat.node().focus();
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}
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/*
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* User can pass his own callback function, so we have to first check if it exists
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* and if not, use our default callback.
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*
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* Each callback function is executed in the current seat context.
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*/
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return fn.style(typeof seatSettings[character][callback] === 'function' ?
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seatSettings[character][callback].apply(seat) : seatChartsSettings[callback].apply(seat));
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};
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});
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//the below will become seatSettings, character, seat thanks to the immediate function
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})(seatChartsSettings.seats, fn.settings.character, fn);
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fn.node()
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//the first three mouse events are simple
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.on('click', fn.click)
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.on('mouseenter', fn.focus)
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.on('mouseleave', fn.blur)
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//keydown requires quite a lot of logic, because we have to know where to move the focus
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.on('keydown', (function(seat, $seat) {
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return function (e) {
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var $newSeat;
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//everything depends on the pressed key
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switch (e.which) {
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//spacebar will just trigger the same event mouse click does
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case 32:
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e.preventDefault();
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seat.click();
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break;
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//UP & DOWN
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case 40:
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case 38:
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e.preventDefault();
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/*
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* This is a recursive, immediate function which searches for the first "focusable" row.
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*
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* We're using immediate function because we want a convenient access to some DOM elements
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* We're using recursion because sometimes we may hit an empty space rather than a seat.
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*
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*/
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$newSeat = (function findAvailable($rows, $seats, $currentRow) {
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var $newRow;
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//let's determine which row should we move to
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if (!$rows.index($currentRow) && e.which == 38) {
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//if this is the first row and user has pressed up arrow, move to the last row
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$newRow = $rows.last();
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} else if ($rows.index($currentRow) == $rows.length-1 && e.which == 40) {
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//if this is the last row and user has pressed down arrow, move to the first row
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$newRow = $rows.first();
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} else {
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//using eq to get an element at the desired index position
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$newRow = $rows.eq(
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//if up arrow, then decrement the index, if down increment it
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$rows.index($currentRow) + (e.which == 38 ? (-1) : (+1))
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);
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}
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//now that we know the row, let's get the seat using the current column position
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$newSeat = $newRow.find('.seatCharts-seat,.seatCharts-space').eq($seats.index($seat));
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//if the seat we found is a space, keep looking further
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return $newSeat.hasClass('seatCharts-space') ?
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findAvailable($rows, $seats, $newRow) : $newSeat;
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})($seat
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//get a reference to the parent container and then select all rows but the header
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.parents('.seatCharts-container')
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.find('.seatCharts-row:not(.seatCharts-header)'),
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$seat
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//get a reference to the parent row and then find all seat cells (both seats & spaces)
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.parents('.seatCharts-row:first')
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.find('.seatCharts-seat,.seatCharts-space'),
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//get a reference to the current row
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$seat.parents('.seatCharts-row:not(.seatCharts-header)')
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);
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//we couldn't determine the new seat, so we better give up
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if (!$newSeat.length) {
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return;
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}
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//remove focus from the old seat and put it on the new one
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seat.blur();
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seats[$newSeat.attr('id')].focus();
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$newSeat.focus();
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//update our "aria" reference with the new seat id
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seatCharts.attr('aria-activedescendant', $newSeat.attr('id'));
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break;
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//LEFT & RIGHT
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case 37:
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case 39:
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e.preventDefault();
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/*
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* The logic here is slightly different from the one for up/down arrows.
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* User will be able to browse the whole map using just left/right arrow, because
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* it will move to the next row when we reach the right/left-most seat.
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*/
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$newSeat = (function($seats) {
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if (!$seats.index($seat) && e.which == 37) {
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//user has pressed left arrow and we're currently on the left-most seat
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return $seats.last();
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} else if ($seats.index($seat) == $seats.length -1 && e.which == 39) {
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//user has pressed right arrow and we're currently on the right-most seat
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return $seats.first();
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} else {
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//simply move one seat left or right depending on the key
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return $seats.eq($seats.index($seat) + (e.which == 37 ? (-1) : (+1)));
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}
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})($seat
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.parents('.seatCharts-container:first')
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.find('.seatCharts-seat:not(.seatCharts-space)'));
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if (!$newSeat.length) {
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return;
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}
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//handle focus
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seat.blur();
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seats[$newSeat.attr('id')].focus();
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$newSeat.focus();
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//update our "aria" reference with the new seat id
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seatCharts.attr('aria-activedescendant', $newSeat.attr('id'));
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break;
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default:
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break;
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}
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};
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})(fn, fn.node()));
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//.appendTo(seatCharts.find('.' + row));
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}
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})(fn, settings);
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fn.addClass('seatCharts-container');
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//true -> deep copy!
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$.extend(true, settings, setup);
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//Generate default row ids unless user passed his own
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settings.naming.rows = settings.naming.rows || (function(length) {
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var rows = [];
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for (var i = 1; i <= length; i++) {
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rows.push(i);
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}
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return rows;
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})(settings.map.length);
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//Generate default column ids unless user passed his own
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settings.naming.columns = settings.naming.columns || (function(length) {
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var columns = [];
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for (var i = 1; i <= length; i++) {
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columns.push(i);
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}
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return columns;
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})(settings.map[0].split('').length);
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if (settings.naming.top) {
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var $headerRow = $('<div></div>')
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.addClass('seatCharts-row seatCharts-header');
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if (settings.naming.left) {
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$headerRow.append($('<div></div>').addClass('seatCharts-cell'));
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}
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$.each(settings.naming.columns, function(index, value) {
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$headerRow.append(
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$('<div></div>')
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.addClass('seatCharts-cell')
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.text(value)
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);
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});
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}
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fn.append($headerRow);
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//do this for each map row
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$.each(settings.map, function(row, characters) {
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var $row = $('<div></div>').addClass('seatCharts-row');
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if (settings.naming.left) {
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$row.append(
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$('<div></div>')
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.addClass('seatCharts-cell seatCharts-space')
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.text(settings.naming.rows[row])
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);
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}
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/*
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* Do this for each seat (letter)
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*
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* Now users will be able to pass custom ID and label which overwrite the one that seat would be assigned by getId and
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* getLabel
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*
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* New format is like this:
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* a[ID,label]a[ID]aaaaa
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*
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* So you can overwrite the ID or label (or both) even for just one seat.
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* Basically ID should be first, so if you want to overwrite just label write it as follows:
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* a[,LABEL]
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*
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* Allowed characters in IDs areL 0-9, a-z, A-Z, _
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* Allowed characters in labels are: 0-9, a-z, A-Z, _, ' ' (space)
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*
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*/
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$.each(characters.match(/[a-z_]{1}(\[[0-9a-z_]{0,}(,[0-9a-z_ ]+)?\])?/gi), function (column, characterParams) {
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var matches = characterParams.match(/([a-z_]{1})(\[([0-9a-z_ ,]+)\])?/i),
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//no matter if user specifies [] params, the character should be in the second element
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||
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|
character = matches[1],
|
||
|
|
//check if user has passed some additional params to override id or label
|
||
|
|
params = typeof matches[3] !== 'undefined' ? matches[3].split(',') : [],
|
||
|
|
//id param should be first
|
||
|
|
overrideId = params.length ? params[0] : null,
|
||
|
|
//label param should be second
|
||
|
|
overrideLabel = params.length === 2 ? params[1] : null;
|
||
|
|
|
||
|
|
$row.append(character != '_' ?
|
||
|
|
//if the character is not an underscore (empty space)
|
||
|
|
(function(naming) {
|
||
|
|
|
||
|
|
//so users don't have to specify empty objects
|
||
|
|
settings.seats[character] = character in settings.seats ? settings.seats[character] : {};
|
||
|
|
|
||
|
|
var id = overrideId ? overrideId : naming.getId(character, naming.rows[row], naming.columns[column]);
|
||
|
|
seats[id] = new seat({
|
||
|
|
id : id,
|
||
|
|
label : overrideLabel ?
|
||
|
|
overrideLabel : naming.getLabel(character, naming.rows[row], naming.columns[column]),
|
||
|
|
row : row,
|
||
|
|
column : column,
|
||
|
|
character : character
|
||
|
|
});
|
||
|
|
|
||
|
|
seatIds.push(id);
|
||
|
|
return seats[id].node();
|
||
|
|
|
||
|
|
})(settings.naming) :
|
||
|
|
//this is just an empty space (_)
|
||
|
|
$('<div></div>').addClass('seatCharts-cell seatCharts-space')
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
fn.append($row);
|
||
|
|
});
|
||
|
|
|
||
|
|
//if there're any legend items to be rendered
|
||
|
|
settings.legend.items.length ? (function(legend) {
|
||
|
|
//either use user-defined container or create our own and insert it right after the seat chart div
|
||
|
|
var $container = (legend.node || $('<div></div>').insertAfter(fn))
|
||
|
|
.addClass('seatCharts-legend');
|
||
|
|
|
||
|
|
var $ul = $('<ul></ul>')
|
||
|
|
.addClass('seatCharts-legendList')
|
||
|
|
.appendTo($container);
|
||
|
|
|
||
|
|
$.each(legend.items, function(index, item) {
|
||
|
|
$ul.append(
|
||
|
|
$('<li></li>')
|
||
|
|
.addClass('seatCharts-legendItem')
|
||
|
|
.append(
|
||
|
|
$('<div></div>')
|
||
|
|
//merge user defined classes with our standard ones
|
||
|
|
.addClass(['seatCharts-seat', 'seatCharts-cell', item[1]].concat(
|
||
|
|
settings.classes,
|
||
|
|
typeof settings.seats[item[0]] == "undefined" ? [] : settings.seats[item[0]].classes).join(' ')
|
||
|
|
)
|
||
|
|
)
|
||
|
|
.append(
|
||
|
|
$('<span></span>')
|
||
|
|
.addClass('seatCharts-legendDescription')
|
||
|
|
.text(item[2])
|
||
|
|
)
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
return $container;
|
||
|
|
})(settings.legend) : null;
|
||
|
|
|
||
|
|
fn.attr({
|
||
|
|
tabIndex : 0
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
//when container's focused, move focus to the first seat
|
||
|
|
fn.focus(function() {
|
||
|
|
if (fn.attr('aria-activedescendant')) {
|
||
|
|
seats[fn.attr('aria-activedescendant')].blur();
|
||
|
|
}
|
||
|
|
|
||
|
|
fn.find('.seatCharts-seat:not(.seatCharts-space):first').focus();
|
||
|
|
seats[seatIds[0]].focus();
|
||
|
|
|
||
|
|
});
|
||
|
|
|
||
|
|
//public methods of seatCharts
|
||
|
|
fn.data('seatCharts', {
|
||
|
|
seats : seats,
|
||
|
|
seatIds : seatIds,
|
||
|
|
//set for one, set for many, get for one
|
||
|
|
status: function() {
|
||
|
|
var fn = this;
|
||
|
|
|
||
|
|
return arguments.length == 1 ? fn.seats[arguments[0]].status() : (function(seatsIds, newStatus) {
|
||
|
|
|
||
|
|
return typeof seatsIds == 'string' ? fn.seats[seatsIds].status(newStatus) : (function() {
|
||
|
|
$.each(seatsIds, function(index, seatId) {
|
||
|
|
fn.seats[seatId].status(newStatus);
|
||
|
|
});
|
||
|
|
})();
|
||
|
|
})(arguments[0], arguments[1]);
|
||
|
|
},
|
||
|
|
each : function(callback) {
|
||
|
|
var fn = this;
|
||
|
|
|
||
|
|
for (var seatId in fn.seats) {
|
||
|
|
if (false === callback.call(fn.seats[seatId], seatId)) {
|
||
|
|
return seatId;//return last checked
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
},
|
||
|
|
node : function() {
|
||
|
|
var fn = this;
|
||
|
|
//basically create a CSS query to get all seats by their DOM ids
|
||
|
|
return $('#' + fn.seatIds.join(',#'));
|
||
|
|
},
|
||
|
|
|
||
|
|
find : function(query) {//D, a.available, unavailable
|
||
|
|
var fn = this;
|
||
|
|
|
||
|
|
var seatSet = fn.set();
|
||
|
|
|
||
|
|
//is RegExp
|
||
|
|
return query instanceof RegExp ?
|
||
|
|
(function () {
|
||
|
|
fn.each(function (id) {
|
||
|
|
if (id.match(query)) {
|
||
|
|
seatSet.push(id, this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return seatSet;
|
||
|
|
})() :
|
||
|
|
(query.length == 1 ?
|
||
|
|
(function (character) {
|
||
|
|
//user searches just for a particual character
|
||
|
|
fn.each(function () {
|
||
|
|
if (this.char() == character) {
|
||
|
|
seatSet.push(this.settings.id, this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return seatSet;
|
||
|
|
})(query) :
|
||
|
|
(function () {
|
||
|
|
//user runs a more sophisticated query, so let's see if there's a dot
|
||
|
|
return query.indexOf('.') > -1 ?
|
||
|
|
(function () {
|
||
|
|
//there's a dot which separates character and the status
|
||
|
|
var parts = query.split('.');
|
||
|
|
|
||
|
|
fn.each(function (seatId) {
|
||
|
|
if (this.char() == parts[0] && this.status() == parts[1]) {
|
||
|
|
seatSet.push(this.settings.id, this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return seatSet;
|
||
|
|
})() :
|
||
|
|
(function () {
|
||
|
|
fn.each(function () {
|
||
|
|
if (this.status() == query) {
|
||
|
|
seatSet.push(this.settings.id, this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return seatSet;
|
||
|
|
})();
|
||
|
|
})()
|
||
|
|
);
|
||
|
|
|
||
|
|
},
|
||
|
|
set : function set() {//inherits some methods
|
||
|
|
var fn = this;
|
||
|
|
|
||
|
|
return {
|
||
|
|
seats : [],
|
||
|
|
seatIds : [],
|
||
|
|
length : 0,
|
||
|
|
status : function() {
|
||
|
|
var args = arguments,
|
||
|
|
that = this;
|
||
|
|
//if there's just one seat in the set and user didn't pass any params, return current status
|
||
|
|
return this.length == 1 && args.length == 0 ? this.seats[0].status() : (function() {
|
||
|
|
//otherwise call status function for each of the seats in the set
|
||
|
|
$.each(that.seats, function() {
|
||
|
|
this.status.apply(this, args);
|
||
|
|
});
|
||
|
|
})();
|
||
|
|
},
|
||
|
|
node : function() {
|
||
|
|
return fn.node.call(this);
|
||
|
|
},
|
||
|
|
each : function() {
|
||
|
|
return fn.each.call(this, arguments[0]);
|
||
|
|
},
|
||
|
|
get : function() {
|
||
|
|
return fn.get.call(this, arguments[0]);
|
||
|
|
},
|
||
|
|
find : function() {
|
||
|
|
return fn.find.call(this, arguments[0]);
|
||
|
|
},
|
||
|
|
set : function() {
|
||
|
|
return set.call(fn);
|
||
|
|
},
|
||
|
|
push : function(id, seat) {
|
||
|
|
this.seats.push(seat);
|
||
|
|
this.seatIds.push(id);
|
||
|
|
++this.length;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
},
|
||
|
|
//get one object or a set of objects
|
||
|
|
get : function(seatsIds) {
|
||
|
|
var fn = this;
|
||
|
|
|
||
|
|
return typeof seatsIds == 'string' ?
|
||
|
|
fn.seats[seatsIds] : (function() {
|
||
|
|
|
||
|
|
var seatSet = fn.set();
|
||
|
|
|
||
|
|
$.each(seatsIds, function(index, seatId) {
|
||
|
|
if (typeof fn.seats[seatId] === 'object') {
|
||
|
|
seatSet.push(seatId, fn.seats[seatId]);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return seatSet;
|
||
|
|
})();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return fn.data('seatCharts');
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
})(jQuery);
|