mirror of
https://github.com/Tautulli/Tautulli.git
synced 2025-07-06 13:11:15 -07:00
298 lines
No EOL
14 KiB
JavaScript
298 lines
No EOL
14 KiB
JavaScript
/*
|
|
RateIt
|
|
version 1.0.13
|
|
08/17/2013
|
|
http://rateit.codeplex.com
|
|
Twitter: @gjunge
|
|
|
|
*/
|
|
(function ($) {
|
|
$.rateit = {
|
|
aria : {
|
|
resetLabel: 'reset rating',
|
|
ratingLabel: 'rating'
|
|
}
|
|
}
|
|
|
|
$.fn.rateit = function (p1, p2) {
|
|
//quick way out.
|
|
var index = 1;
|
|
var options = {}; var mode = 'init';
|
|
var capitaliseFirstLetter = function (string) {
|
|
return string.charAt(0).toUpperCase() + string.substr(1);
|
|
};
|
|
|
|
if (this.length == 0) return this;
|
|
|
|
|
|
var tp1 = $.type(p1);
|
|
if (tp1 == 'object' || p1 === undefined || p1 == null) {
|
|
options = $.extend({}, $.fn.rateit.defaults, p1); //wants to init new rateit plugin(s).
|
|
}
|
|
else if (tp1 == 'string' && p2 === undefined) {
|
|
return this.data('rateit' + capitaliseFirstLetter(p1)); //wants to get a value.
|
|
}
|
|
else if (tp1 == 'string') {
|
|
mode = 'setvalue'
|
|
}
|
|
|
|
return this.each(function () {
|
|
var item = $(this);
|
|
|
|
//shorten all the item.data('rateit-XXX'), will save space in closure compiler, will be like item.data('XXX') will become x('XXX')
|
|
var itemdata = function (key, value) {
|
|
|
|
if (value != null) {
|
|
//update aria values
|
|
var ariakey = 'aria-value' + ((key == 'value') ? 'now' : key);
|
|
var range = item.find('.rateit-range');
|
|
if (range.attr(ariakey) != undefined) {
|
|
range.attr(ariakey, value);
|
|
}
|
|
|
|
}
|
|
|
|
arguments[0] = 'rateit' + capitaliseFirstLetter(key);
|
|
return item.data.apply(item, arguments); ////Fix for WI: 523
|
|
};
|
|
|
|
//add the rate it class.
|
|
if (!item.hasClass('rateit')) item.addClass('rateit');
|
|
|
|
var ltr = item.css('direction') != 'rtl';
|
|
|
|
// set value mode
|
|
if (mode == 'setvalue') {
|
|
if (!itemdata('init')) throw 'Can\'t set value before init';
|
|
|
|
|
|
//if readonly now and it wasn't readonly, remove the eventhandlers.
|
|
if (p1 == 'readonly' && p2 == true && !itemdata('readonly')) {
|
|
item.find('.rateit-range').unbind();
|
|
itemdata('wired', false);
|
|
}
|
|
//when we receive a null value, reset the score to its min value.
|
|
if (p1 == 'value')
|
|
p2 = (p2 == null) ? itemdata('min') : Math.max(itemdata('min'), Math.min(itemdata('max'), p2));
|
|
if (itemdata('backingfld')) {
|
|
//if we have a backing field, check which fields we should update.
|
|
//In case of input[type=range], although we did read its attributes even in browsers that don't support it (using fld.attr())
|
|
//we only update it in browser that support it (&& fld[0].min only works in supporting browsers), not only does it save us from checking if it is range input type, it also is unnecessary.
|
|
var fld = $(itemdata('backingfld'));
|
|
if (p1 == 'value') fld.val(p2);
|
|
if (p1 == 'min' && fld[0].min) fld[0].min = p2;
|
|
if (p1 == 'max' && fld[0].max) fld[0].max = p2;
|
|
if (p1 == 'step' && fld[0].step) fld[0].step = p2;
|
|
}
|
|
|
|
itemdata(p1, p2);
|
|
}
|
|
|
|
//init rateit plugin
|
|
if (!itemdata('init')) {
|
|
|
|
//get our values, either from the data-* html5 attribute or from the options.
|
|
itemdata('min', itemdata('min') || options.min);
|
|
itemdata('max', itemdata('max') || options.max);
|
|
itemdata('step', itemdata('step') || options.step);
|
|
itemdata('readonly', itemdata('readonly') !== undefined ? itemdata('readonly') : options.readonly);
|
|
itemdata('resetable', itemdata('resetable') !== undefined ? itemdata('resetable') : options.resetable);
|
|
itemdata('backingfld', itemdata('backingfld') || options.backingfld);
|
|
itemdata('starwidth', itemdata('starwidth') || options.starwidth);
|
|
itemdata('starheight', itemdata('starheight') || options.starheight);
|
|
|
|
itemdata('value', Math.max(itemdata('min'), Math.min(itemdata('max'), (itemdata('value') || options.value || options.min) )));
|
|
itemdata('ispreset', itemdata('ispreset') !== undefined ? itemdata('ispreset') : options.ispreset);
|
|
//are we LTR or RTL?
|
|
|
|
if (itemdata('backingfld')) {
|
|
//if we have a backing field, hide it, and get its value, and override defaults if range.
|
|
var fld = $(itemdata('backingfld'));
|
|
itemdata('value', fld.hide().val());
|
|
|
|
if (fld.attr('disabled') || fld.attr('readonly'))
|
|
itemdata('readonly', true); //http://rateit.codeplex.com/discussions/362055 , if a backing field is disabled or readonly at instantiation, make rateit readonly.
|
|
|
|
|
|
if (fld[0].nodeName == 'INPUT') {
|
|
if (fld[0].type == 'range' || fld[0].type == 'text') { //in browsers not support the range type, it defaults to text
|
|
|
|
itemdata('min', parseInt(fld.attr('min')) || itemdata('min')); //if we would have done fld[0].min it wouldn't have worked in browsers not supporting the range type.
|
|
itemdata('max', parseInt(fld.attr('max')) || itemdata('max'));
|
|
itemdata('step', parseInt(fld.attr('step')) || itemdata('step'));
|
|
}
|
|
}
|
|
if (fld[0].nodeName == 'SELECT' && fld[0].options.length > 1) {
|
|
itemdata('min', Number(fld[0].options[0].value));
|
|
itemdata('max', Number(fld[0].options[fld[0].length - 1].value));
|
|
itemdata('step', Number(fld[0].options[1].value) - Number(fld[0].options[0].value));
|
|
}
|
|
}
|
|
|
|
//Create the necessary tags. For ARIA purposes we need to give the items an ID. So we use an internal index to create unique ids
|
|
var element = item[0].nodeName == 'DIV' ? 'div' : 'span';
|
|
index++;
|
|
var html = '<button id="rateit-reset-{{index}}" class="rateit-reset" aria-label="' + $.rateit.aria.resetLabel + '" aria-controls="rateit-range-{{index}}"></button><{{element}} id="rateit-range-{{index}}" class="rateit-range" tabindex="0" role="slider" aria-label="' + $.rateit.aria.ratingLabel + '" aria-owns="rateit-reset-{{index}}" aria-valuemin="' + itemdata('min') + '" aria-valuemax="' + itemdata('max') + '" aria-valuenow="' + itemdata('value') + '"><{{element}} class="rateit-selected" style="height:' + itemdata('starheight') + 'px"></{{element}}><{{element}} class="rateit-hover" style="height:' + itemdata('starheight') + 'px"></{{element}}></{{element}}>';
|
|
item.append(html.replace(/{{index}}/gi, index).replace(/{{element}}/gi, element));
|
|
|
|
//if we are in RTL mode, we have to change the float of the "reset button"
|
|
if (!ltr) {
|
|
item.find('.rateit-reset').css('float', 'right');
|
|
item.find('.rateit-selected').addClass('rateit-selected-rtl');
|
|
item.find('.rateit-hover').addClass('rateit-hover-rtl');
|
|
}
|
|
|
|
itemdata('init', true);
|
|
}
|
|
|
|
|
|
//set the range element to fit all the stars.
|
|
var range = item.find('.rateit-range');
|
|
range.width(itemdata('starwidth') * (itemdata('max') - itemdata('min'))).height(itemdata('starheight'));
|
|
|
|
//add/remove the preset class
|
|
var presetclass = 'rateit-preset' + ((ltr) ? '' : '-rtl');
|
|
if (itemdata('ispreset'))
|
|
item.find('.rateit-selected').addClass(presetclass);
|
|
else
|
|
item.find('.rateit-selected').removeClass(presetclass);
|
|
|
|
//set the value if we have it.
|
|
if (itemdata('value') != null) {
|
|
var score = (itemdata('value') - itemdata('min')) * itemdata('starwidth');
|
|
item.find('.rateit-selected').width(score);
|
|
}
|
|
|
|
//setup the reset button
|
|
var resetbtn = item.find('.rateit-reset');
|
|
if (resetbtn.data('wired') !== true) {
|
|
resetbtn.bind('click', function (e) {
|
|
e.preventDefault();
|
|
resetbtn.blur();
|
|
itemdata('value', itemdata('min'));
|
|
range.find('.rateit-hover').hide().width(0);
|
|
range.find('.rateit-selected').width(0).show();
|
|
if (itemdata('backingfld')) $(itemdata('backingfld')).val(itemdata('min'));
|
|
item.trigger('reset');
|
|
}).data('wired', true);
|
|
|
|
}
|
|
|
|
//this function calculates the score based on the current position of the mouse.
|
|
var calcRawScore = function (element, event) {
|
|
var pageX = (event.changedTouches) ? event.changedTouches[0].pageX : event.pageX;
|
|
|
|
var offsetx = pageX - $(element).offset().left;
|
|
if (!ltr) offsetx = range.width() - offsetx;
|
|
if (offsetx > range.width()) offsetx = range.width();
|
|
if (offsetx < 0) offsetx = 0;
|
|
|
|
return score = Math.ceil(offsetx / itemdata('starwidth') * (1 / itemdata('step')));
|
|
};
|
|
|
|
//sets the hover element based on the score.
|
|
var setHover = function (score) {
|
|
var w = score * itemdata('starwidth') * itemdata('step');
|
|
var h = range.find('.rateit-hover');
|
|
if (h.data('width') != w) {
|
|
range.find('.rateit-selected').hide();
|
|
h.width(w).show().data('width', w);
|
|
var data = [(score * itemdata('step')) + itemdata('min')];
|
|
item.trigger('hover', data).trigger('over', data);
|
|
}
|
|
};
|
|
|
|
var setSelection = function (value) {
|
|
itemdata('value', value);
|
|
if (itemdata('backingfld')) {
|
|
$(itemdata('backingfld')).val(value);
|
|
}
|
|
if (itemdata('ispreset')) { //if it was a preset value, unset that.
|
|
range.find('.rateit-selected').removeClass(presetclass);
|
|
itemdata('ispreset', false);
|
|
}
|
|
range.find('.rateit-hover').hide();
|
|
range.find('.rateit-selected').width(value * itemdata('starwidth') - (itemdata('min') * itemdata('starwidth'))).show();
|
|
item.trigger('hover', [null]).trigger('over', [null]).trigger('rated', [value]);
|
|
};
|
|
|
|
if (!itemdata('readonly')) {
|
|
//if we are not read only, add all the events
|
|
|
|
//if we have a reset button, set the event handler.
|
|
if (!itemdata('resetable'))
|
|
resetbtn.hide();
|
|
|
|
//when the mouse goes over the range element, we set the "hover" stars.
|
|
if (!itemdata('wired')) {
|
|
range.bind('touchmove touchend', touchHandler); //bind touch events
|
|
range.mousemove(function (e) {
|
|
var score = calcRawScore(this, e);
|
|
setHover(score);
|
|
});
|
|
//when the mouse leaves the range, we have to hide the hover stars, and show the current value.
|
|
range.mouseleave(function (e) {
|
|
range.find('.rateit-hover').hide().width(0).data('width', '');
|
|
item.trigger('hover', [null]).trigger('over', [null]);
|
|
range.find('.rateit-selected').show();
|
|
});
|
|
//when we click on the range, we have to set the value, hide the hover.
|
|
range.mouseup(function (e) {
|
|
var score = calcRawScore(this, e);
|
|
var value = (score * itemdata('step')) + itemdata('min');
|
|
setSelection(value);
|
|
});
|
|
|
|
//support key nav
|
|
range.keyup( function (e) {
|
|
if (e.which == 38 || e.which == (ltr ? 39 : 37)) {
|
|
setSelection(Math.min(itemdata('value') + itemdata('step'), itemdata('max')));
|
|
}
|
|
if (e.which == 40 || e.which == (ltr ? 37 : 39)) {
|
|
setSelection(Math.max(itemdata('value') - itemdata('step'), itemdata('min')));
|
|
}
|
|
});
|
|
|
|
itemdata('wired', true);
|
|
}
|
|
if (itemdata('resetable')) {
|
|
resetbtn.show();
|
|
}
|
|
}
|
|
else {
|
|
resetbtn.hide();
|
|
}
|
|
|
|
range.attr('aria-readonly', itemdata('readonly'));
|
|
});
|
|
};
|
|
|
|
//touch converter http://ross.posterous.com/2008/08/19/iphone-touch-events-in-javascript/
|
|
function touchHandler(event) {
|
|
|
|
var touches = event.originalEvent.changedTouches,
|
|
first = touches[0],
|
|
type = "";
|
|
switch (event.type) {
|
|
case "touchmove": type = "mousemove"; break;
|
|
case "touchend": type = "mouseup"; break;
|
|
default: return;
|
|
}
|
|
|
|
var simulatedEvent = document.createEvent("MouseEvent");
|
|
simulatedEvent.initMouseEvent(type, true, true, window, 1,
|
|
first.screenX, first.screenY,
|
|
first.clientX, first.clientY, false,
|
|
false, false, false, 0/*left*/, null);
|
|
|
|
first.target.dispatchEvent(simulatedEvent);
|
|
event.preventDefault();
|
|
};
|
|
|
|
//some default values.
|
|
$.fn.rateit.defaults = { min: 0, max: 5, step: 0.1, starwidth: 16, starheight: 16, readonly: false, resetable: true, ispreset: false};
|
|
|
|
//invoke it on all .rateit elements. This could be removed if not wanted.
|
|
$(function () { $('div.rateit, span.rateit').rateit(); });
|
|
|
|
})(jQuery); |