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| //********************************************
// spinner
// hotels.com
//
(function($) {
//********************************************
$.spinner = function(element, options) {
//references
var plugin = this;
var $element = $(element); //jquery instance
var div = $element;
//public settings
plugin.settings = $.extend({}, $.spinner.defaults, options);
//private
var _list = div.children('ul').children('li');
var _list_total = _list.length;
var _is_spinning = false;
var _current_speed = plugin.settings['speed'];
var _stop_div = $(plugin.settings['stop_div']);
var _slow_spinner = false;
var _spinner_multiplier = plugin.settings['slow_rate'];
var _popup_div = $(element).children('.popup');
var _label_div = $(plugin.settings['label_div']);
var _selected_index = (plugin.settings['index'] !== undefined) ? plugin.settings['index'] : 0;
//*****************
plugin.start = function(parameters) {
if (_is_spinning) {return;}
if (!parameters) {parameters = {};}
//which to end on
_selected_index = (plugin.settings['index'] !== undefined) ? plugin.settings['index'] : 0;
//reset parameters
_is_spinning = true;
_current_speed = plugin.settings['speed'];
_slow_spinner = false;
plugin.select_random();
}
//*****************
plugin.stop = function(parameters) {
if (_slow_spinner) {return;}
//start slowing the spinner
_slow_spinner = true;
//setup random multiplier speed (don't allow it to be less that 1)
_spinner_multiplier = plugin.settings['slow_rate'] + (Math.random() * plugin.settings['slow_variance']);
if (_spinner_multiplier <= 1) {_spinner_multiplier = 1.1;}
//fade out label
if (_label_div.length > 0) {
_label_div.fadeTo(500, .01); //fade but don't hide since we need this block for padding
}
//callback
if (typeof plugin.settings['on_click'] == 'function') {plugin.settings['on_click']();}
}
//*****************
plugin.select_random = function(parameters) {
if (!parameters) {parameters = {};}
var index = (parameters['index'] !== undefined) ? parameters['index'] : null;
var has_timer = (parameters['has_timer'] !== undefined) ? parameters['has_timer'] : true;
//adjust speed
if (_slow_spinner) {
_current_speed = _current_speed * _spinner_multiplier;
//stop the animation (and then rotate)
if (_current_speed > plugin.settings['max_speed']) {
_is_spinning = false;
index = _selected_index;
has_timer = false;
}
}
//build list of available items
var available_items = [];
for (var i=0; i<_list_total; i++) {
available_items.push(i);
}
var selected = _list.filter('.selected');
//if previously selected, adjust available items and remove the selection
if (selected.length > 0) {
//remove this index from available to avoid the same one being picked
available_items.splice(_list.index(selected), 1);
$(selected).removeClass('selected');
}
//if not provided an index, randomly pick one from the available list
if (index === null) {
index = available_items[Math.floor(Math.random() * available_items.length)];
}
//select item
_list.eq(index).addClass('selected');
//set next timer (only if still spinning)
if (has_timer && _is_spinning) {
div.oneTime(_current_speed, function() {
plugin.select_random();
});
}
//if no longer spinning, then start the final animation
if (!_is_spinning) {
plugin.blink({
index: index
});
}
}
//*****************
plugin.blink = function(parameters) {
if (!parameters) {parameters = {};}
var index = (parameters['index'] !== undefined) ? parameters['index'] : _selected_index;
var blink_speed = plugin.settings['blink_speed'];
for(var i=0; i<plugin.settings['blink']; i++) {
_list.eq(index).fadeTo(blink_speed, 0.5).fadeTo(blink_speed, 1.0);
}
//wait a second before rotating
div.oneTime((blink_speed * (plugin.settings['blink'] * 2)) + plugin.settings['pause_speed'], function() {
plugin.rotate_to(parameters);
});
}
//*****************
plugin.rotate_to = function(parameters) {
if (!parameters) {parameters = {};}
var index = (parameters['index'] !== undefined) ? parameters['index'] : _selected_index;
//no need to rotate
if (index == 0) {
plugin.on_complete();
return;
}
//chose animation direction
var is_clockwise = (index >= 7) ? true : false;
//number of moves
var count = (is_clockwise) ? (_list_total - index) : index;
div.everyTime(plugin.settings['rotate_speed'], function(current_step) {
if (is_clockwise) {
//clockwise
var temp_html = _list.eq(_list_total - 1).html();
for (var i=_list_total-1; i>0; i--) {
_list.eq(i).html(_list.eq(i - 1).html());
}
_list.eq(0).html(temp_html);
} else {
//counter clockwise
var temp_html = _list.eq(0).html();
for (var i=0; i<_list_total; i++) {
_list.eq(i).html(_list.eq(i + 1).html());
}
_list.eq(_list_total - 1).html(temp_html);
}
//remove selected
_list.removeClass('selected');
//select new item
var new_index = (is_clockwise) ? index + current_step : index - current_step;
if (new_index >= _list_total) {new_index = 0;}
_list.eq(new_index).addClass('selected');
}, count);
//complete
_popup_div.oneTime((count + 1) * plugin.settings['rotate_speed'], function() {
plugin.on_complete();
});
}
//*****************
plugin.fade_hint = function() {
var hint_div = _stop_div.children('.hint');
if (hint_div.length == 0 || hint_div.hasClass('hidden')) {return;}
//stop auto hide
_stop_div.stopTime();
$(hint_div).addClass('hidden').fadeOut(500);
}
//*****************
plugin.on_complete = function() {
_popup_div.show();
//callback
if (typeof plugin.settings['on_complete'] == 'function') {plugin.settings['on_complete']();}
}
//*****************
//events
//auto hide the hint
if (plugin.settings['hint_delay'] > 0) {
_stop_div.oneTime(plugin.settings['hint_delay'], function() {
plugin.fade_hint();
});
}
_stop_div.click(function(e) {
e.preventDefault();
plugin.fade_hint();
plugin.stop();
});
//*****************
//private events
var _update = function() {
}
//autostart
if (plugin.settings['autostart'] === true) {
plugin.start();
}
}
//********************************************
$.spinner.defaults = {
stop_div: '#bell',
label_div: '#game_label',
slow_rate: 1.2,
slow_variance: .2,
speed: 100, //base speed of the spinner
max_speed: 650, //max speed where the spinner stops
blink: 3,
blink_speed: 100,
pause_speed: 500, //amount of pause between blink and rotate animation
rotate_speed: 200,
hint_delay: 5000, //amount of delay before auto hiding the hint box
autostart: true, //flag to tell spinner to start immediately, otherwise, waits for start() call
on_click: function() {}, //called once the bell is clicked
on_complete: function() {} //called once the spinner lands on a space
};
//********************************************
//register the plugin
$.fn.spinner = function(method) {
var options = arguments;
var plugin = $(this).data('spinner');
if (plugin !== undefined && typeof plugin[method] == 'function') {
//method exists
return plugin[method].apply(this, Array.prototype.slice.call(options, 1));
} else if (typeof method === 'object' || !method) {
return this.each(function() {
//create reference to plugin
if ($(this).data('spinner') === undefined) {
$(this).data('spinner', (new $.spinner(this, options[0])));
}
});
} else {
$.error(method + '() does not exist for jQuery.spinner');
}
}
})(jQuery); |
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