agenda-libre-ruby/public/webshims/shims/form-shim-extend.js

808 lines
20 KiB
JavaScript

webshims.register('form-shim-extend', function($, webshims, window, document, undefined, options){
"use strict";
webshims.inputTypes = webshims.inputTypes || {};
//some helper-functions
var cfg = webshims.cfg.forms;
var bugs = webshims.bugs;
var splitReg = /\s*,\s*/g;
var typeModels = webshims.inputTypes,
checkTypes = {
radio: 1,
checkbox: 1
},
getType = function(){
var elem = this;
var type = (elem.getAttribute('type') || '').toLowerCase();
return (webshims.inputTypes[type]) ? type : elem.type;
},
cacheType = function(cache, input){
if(!('type' in cache)){
cache.type = getType.call(input);
}
}
;
(function(){
if('querySelector' in document){
try {
bugs.findRequired = !($('<form action="#" style="width: 1px; height: 1px; overflow: hidden;"><select name="b" required="" /></form>')[0].querySelector('select:required'));
} catch(er){
bugs.findRequired = false;
}
if (bugs.bustedValidity || bugs.findRequired) {
(function(){
var find = $.find;
var matchesSelector = $.find.matchesSelector;
var regExp = /(\:valid|\:invalid|\:optional|\:required)(?=[\s\[\~\.\+\>\:\#*]|$)/ig;
var regFn = function(sel){
return sel + '-element';
};
$.find = (function(){
var slice = Array.prototype.slice;
var fn = function(sel){
var ar = arguments;
ar = slice.call(ar, 1, ar.length);
ar.unshift(sel.replace(regExp, regFn));
return find.apply(this, ar);
};
for (var i in find) {
if(find.hasOwnProperty(i)){
fn[i] = find[i];
}
}
return fn;
})();
$.find.matchesSelector = function(node, expr){
expr = expr.replace(regExp, regFn);
return matchesSelector.call(this, node, expr);
};
})();
}
}
})();
//API to add new input types
webshims.addInputType = function(type, obj){
typeModels[type] = obj;
};
//contsrain-validation-api
var validityPrototype = {
customError: false,
typeMismatch: false,
badInput: false,
rangeUnderflow: false,
rangeOverflow: false,
stepMismatch: false,
tooLong: false,
tooShort: false,
patternMismatch: false,
valueMissing: false,
valid: true
};
var isPlaceholderOptionSelected = function(select){
if(select.type == 'select-one' && select.size < 2){
var option = $('> option:first-child', select);
return !!option.prop('selected');
}
return false;
};
var emptyJ = $([]);
//TODO: cache + perftest
var getGroupElements = function(elem){
elem = $(elem);
var name, form;
var ret = emptyJ;
if(elem[0].type == 'radio'){
name = elem[0].name;
if(!name){
ret = elem;
} else {
form = elem.prop('form');
ret = $(document.getElementsByName(name)).filter(function(){
return this.type == 'radio' && $.prop(this, 'form') == form && this.name == name;
});
}
}
return ret;
};
var patternTypes = {url: 1, email: 1, text: 1, search: 1, tel: 1, password: 1};
var lengthTypes = $.extend({textarea: 1}, patternTypes);
var validityRules = {
valueMissing: function(input, val, cache){
if(!input.prop('required')){return false;}
var ret = false;
cacheType(cache, input[0]);
if(cache.nodeName == 'select'){
ret = (!val && (input[0].selectedIndex < 0 || isPlaceholderOptionSelected(input[0]) ));
} else if(checkTypes[cache.type]){
ret = (cache.type == 'checkbox') ? !input.is(':checked') : !getGroupElements(input).filter(':checked')[0];
} else {
ret = !(val);
}
return ret;
},
patternMismatch: function(input, val, cache) {
var i;
var ret = false;
if(val === '' || cache.nodeName == 'select'){return ret;}
cacheType(cache, input[0]);
if(!patternTypes[cache.type]){return ret;}
var pattern = input.attr('pattern');
if(!pattern){return ret;}
try {
pattern = new RegExp('^(?:' + pattern + ')$');
} catch(er){
webshims.error('invalid pattern value: "'+ pattern +'" | '+ er);
pattern = ret;
}
if(!pattern){return ret;}
val = cache.type == 'email' && input.prop('multiple') ? val.split(splitReg) : [val];
for(i = 0; i < val.length; i++){
if(!pattern.test(val[i])){
ret = true;
break;
}
}
return ret;
}
}
;
$.each({tooShort: ['minLength', -1], tooLong: ['maxLength', 1]}, function(name, props){
validityRules[name] = function(input, val, cache){
//defaultValue is not the same as dirty flag, but very similiar
if(cache.nodeName == 'select' || input.prop('defaultValue') == val){return false;}
cacheType(cache, input[0]);
if(!lengthTypes[cache.type]){return false;}
var prop = input.prop(props[0]);
return ( prop > 0 && prop * props[1] < val.length * props[1] );
};
});
$.each({typeMismatch: 'mismatch', badInput: 'bad'}, function(name, fn){
validityRules[name] = function (input, val, cache){
if(val === '' || cache.nodeName == 'select'){return false;}
var ret = false;
cacheType(cache, input[0]);
if(typeModels[cache.type] && typeModels[cache.type][fn]){
ret = typeModels[cache.type][fn](val, input);
} else if('validity' in input[0] && ('name' in input[0].validity)){
ret = input[0].validity[name] || false;
}
return ret;
};
});
webshims.modules["form-core"].getGroupElements = getGroupElements;
webshims.addValidityRule = function(type, fn){
validityRules[type] = fn;
};
$.event.special.invalid = {
add: function(){
$.event.special.invalid.setup.call(this.form || this);
},
setup: function(){
var form = this.form || this;
if( $.data(form, 'invalidEventShim') ){
form = null;
return;
}
$(form)
.data('invalidEventShim', true)
.on('submit', $.event.special.invalid.handler)
;
webshims.moveToFirstEvent(form, 'submit');
if(webshims.bugs.bustedValidity && $.nodeName(form, 'form')){
(function(){
var noValidate = form.getAttribute('novalidate');
form.setAttribute('novalidate', 'novalidate');
webshims.data(form, 'bustedNoValidate', (noValidate == null) ? null : noValidate);
})();
}
form = null;
},
teardown: $.noop,
handler: function(e, d){
if( e.type != 'submit' || e.testedValidity || !e.originalEvent || !$.nodeName(e.target, 'form') || $.prop(e.target, 'noValidate') ){return;}
e.testedValidity = true;
var notValid = !($(e.target).callProp('reportValidity'));
if(notValid){
e.stopImmediatePropagation();
if(!options.noFormInvalid){
$(e.target).trigger('invalid');
}
return false;
}
}
};
$.event.special.submit = $.event.special.submit || {setup: function(){return false;}};
var submitSetup = $.event.special.submit.setup;
$.extend($.event.special.submit, {
setup: function(){
if($.nodeName(this, 'form')){
$(this).on('invalid', $.noop);
} else {
$('form', this).on('invalid', $.noop);
}
return submitSetup.apply(this, arguments);
}
});
webshims.ready('form-shim-extend2 WINDOWLOAD', function(){
$(window).on('invalid', $.noop);
});
webshims.addInputType('email', {
mismatch: (function(){
//taken from http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#valid-e-mail-address
var test = cfg.emailReg || /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
return function(val, input){
var i;
var ret = false;
if(val){
val = input.prop('multiple') ? val.split(splitReg) : [val];
for(i = 0; i < val.length; i++){
if(!test.test(val[i])){
ret = true;
break;
}
}
}
return ret;
};
})()
});
webshims.addInputType('url', {
mismatch: (function(){
//taken from scott gonzales
var test = cfg.urlReg || /^([a-z]([a-z]|\d|\+|-|\.)*):(\/\/(((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:)*@)?((\[(|(v[\da-f]{1,}\.(([a-z]|\d|-|\.|_|~)|[!\$&'\(\)\*\+,;=]|:)+))\])|((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5]))|(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=])*)(:\d*)?)(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*|(\/((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)?)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)+(\/(([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)*)*)|((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)){0})(\?((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|[\uE000-\uF8FF]|\/|\?)*)?(\#((([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(%[\da-f]{2})|[!\$&'\(\)\*\+,;=]|:|@)|\/|\?)*)?$/i;
return function(val){
return val && !test.test(val);
};
})()
});
webshims.defineNodeNameProperty('input', 'type', {
prop: {
get: getType
}
});
// IDLs for constrain validation API
//ToDo: add object to this list
webshims.defineNodeNamesProperties(['button', 'fieldset', 'output'], {
checkValidity: {
value: function(){return true;}
},
reportValidity: {
value: function(){return true;}
},
willValidate: {
value: false
},
setCustomValidity: {
value: $.noop
},
validity: {
writeable: false,
get: function(){
return $.extend({}, validityPrototype);
}
}
}, 'prop');
var baseCheckValidity = function(elem, type){
var e,
v = $.prop(elem, 'validity')
;
if(v){
$.data(elem, 'cachedValidity', v);
} else {
return true;
}
if( !v.valid ){
e = $.Event('invalid');
var jElm = $(elem).trigger(e);
if(type == 'reportValidity' && !baseCheckValidity.unhandledInvalids && !e.isDefaultPrevented()){
webshims.validityAlert.showFor(jElm);
baseCheckValidity.unhandledInvalids = true;
}
}
$.removeData(elem, 'cachedValidity');
return v.valid;
};
var rsubmittable = /^(?:select|textarea|input)/i;
['checkValidity', 'reportValidity'].forEach(function(name){
webshims.defineNodeNameProperty('form', name, {
prop: {
value: function(){
var ret = true,
elems = $($.prop(this, 'elements')).filter(function(){
if(!rsubmittable.test(this.nodeName)){return false;}
var shadowData = webshims.data(this, 'shadowData');
return !shadowData || !shadowData.nativeElement || shadowData.nativeElement === this;
})
;
baseCheckValidity.unhandledInvalids = false;
for(var i = 0, len = elems.length; i < len; i++){
if( !baseCheckValidity(elems[i], name) ){
ret = false;
}
}
return ret;
}
}
});
});
['input', 'textarea', 'select'].forEach(function(nodeName){
var inputValidationAPI = {
setCustomValidity: {
value: function(error){
$.removeData(this, 'cachedValidity');
webshims.data(this, 'customvalidationMessage', ''+error);
if(bugs.bustedValidity && inputValidationAPI.setCustomValidity.prop._supvalue){
inputValidationAPI.setCustomValidity.prop._supvalue.apply(this, arguments);
}
}
},
willValidate: {
writeable: false,
get: (function(){
var types = {
button: 1,
reset: 1,
hidden: 1,
image: 1
}
;
return function(){
var elem = $(this).getNativeElement()[0];
return !!(!elem.readOnly && !types[elem.type] && !$(elem).is(':disabled') );
};
})()
},
validity: {
writeable: false,
get: function(){
var jElm = $(this).getNativeElement();
var elem = jElm[0];
var validityState = $.data(elem, 'cachedValidity');
if(validityState){
return validityState;
}
validityState = $.extend({}, validityPrototype);
if( !$.prop(elem, 'willValidate') || elem.type == 'submit' ){
return validityState;
}
var val = jElm.val();
var cache = {nodeName: elem.nodeName.toLowerCase()};
validityState.customError = !!(webshims.data(elem, 'customvalidationMessage'));
if( validityState.customError ){
validityState.valid = false;
}
$.each(validityRules, function(rule, fn){
if (fn(jElm, val, cache)) {
validityState[rule] = true;
validityState.valid = false;
}
});
$(this).getShadowFocusElement().attr('aria-invalid', validityState.valid ? 'false' : 'true');
jElm = null;
elem = null;
return validityState;
}
}
};
['checkValidity', 'reportValidity'].forEach(function(name){
inputValidationAPI[name] = {
value: function(){
baseCheckValidity.unhandledInvalids = false;
return baseCheckValidity($(this).getNativeElement()[0], name);
}
};
});
webshims.defineNodeNameProperties(nodeName, inputValidationAPI, 'prop');
});
webshims.defineNodeNamesBooleanProperty(['input', 'textarea', 'select'], 'required', {
set: function(value){
$(this).getShadowFocusElement().attr('aria-required', !!(value)+'');
},
initAttr: true
});
webshims.defineNodeNamesBooleanProperty(['input'], 'multiple');
if(bugs.bustedValidity){
webshims.defineNodeNameProperty('form', 'novalidate', {
attr: {
set: function(val){
webshims.data(this, 'bustedNoValidate', ''+val);
},
get: function(){
var ret = webshims.data(this, 'bustedNoValidate');
return ret == null ? undefined : ret;
}
},
removeAttr: {
value: function(){
webshims.data(this, 'bustedNoValidate', null);
}
}
});
$.each(['rangeUnderflow', 'rangeOverflow', 'stepMismatch'], function(i, name){
validityRules[name] = function(elem){
return (elem[0].validity || {})[name] || false;
};
});
}
webshims.defineNodeNameProperty('form', 'noValidate', {
prop: {
set: function(val){
val = !!val;
if(val){
$.attr(this, 'novalidate', 'novalidate');
} else {
$(this).removeAttr('novalidate');
}
},
get: function(){
return $.attr(this, 'novalidate') != null;
}
}
});
['minlength', 'minLength'].forEach(function(propName){
webshims.defineNodeNamesProperty(['input', 'textarea'], propName, {
prop: {
set: function(val){
val *= 1;
if(val < 0){
throw('INDEX_SIZE_ERR');
}
this.setAttribute('minlength', val || 0);
},
get: function(){
var val = this.getAttribute('minlength');
return val == null ? -1 : (val * 1) || 0;
}
}
});
});
if(webshims.support.inputtypes.date && /webkit/i.test(navigator.userAgent)){
(function(){
var noInputTriggerEvts = {updateInput: 1, input: 1},
fixInputTypes = {
date: 1,
time: 1,
month: 1,
week: 1,
"datetime-local": 1
},
noFocusEvents = {
focusout: 1,
blur: 1
},
changeEvts = {
updateInput: 1,
change: 1
},
observe = function(input){
var timer,
focusedin = true,
lastInputVal = input.prop('value'),
lastChangeVal = lastInputVal,
trigger = function(e){
//input === null
if(!input){return;}
var newVal = input.prop('value');
if(newVal !== lastInputVal){
lastInputVal = newVal;
if(!e || !noInputTriggerEvts[e.type]){
input.trigger('input');
}
}
if(e && changeEvts[e.type]){
lastChangeVal = newVal;
}
if(!focusedin && newVal !== lastChangeVal){
input.trigger('change');
}
},
extraTimer,
extraTest = function(){
clearTimeout(extraTimer);
extraTimer = setTimeout(trigger, 9);
},
unbind = function(e){
clearInterval(timer);
setTimeout(function(){
if(e && noFocusEvents[e.type]){
focusedin = false;
}
if(input){
input.off('focusout blur', unbind).off('input change updateInput', trigger);
trigger();
}
input = null;
}, 1);
}
;
clearInterval(timer);
timer = setInterval(trigger, 160);
extraTest();
input
.off({
'focusout blur': unbind,
'input change updateInput': trigger
})
.on({
'focusout blur': unbind,
'input updateInput change': trigger
})
;
}
;
$(document)
.on('focusin', function(e){
if( e.target && fixInputTypes[e.target.type] && !e.target.readOnly && !e.target.disabled ){
observe($(e.target));
}
})
;
})();
}
webshims.addReady(function(context, contextElem){
//start constrain-validation
var focusElem;
$('form', context)
.add(contextElem.filter('form'))
.on('invalid', $.noop)
;
try {
if(context == document && !('form' in (document.activeElement || {}))) {
focusElem = $(context.querySelector('input[autofocus], select[autofocus], textarea[autofocus]')).eq(0).getShadowFocusElement()[0];
if (focusElem && focusElem.offsetHeight && focusElem.offsetWidth) {
focusElem.focus();
}
}
}
catch (er) {}
});
if(!webshims.support.datalist){
webshims.defineNodeNameProperty('datalist', 'options', {
prop: {
writeable: false,
get: function(){
var elem = this;
var select = $('select', elem);
var options;
if(select[0]){
options = $.makeArray(select[0].options || []);
} else {
options = elem.getElementsByTagName('option');
if(options.length){
webshims.warn('you should wrap your option-elements for a datalist in a select element to support IE and other old browsers.');
}
}
return options;
}
}
});
}
var submitterTypes = {submit: 1, button: 1, image: 1};
var formSubmitterDescriptors = {};
[
{
name: "enctype",
limitedTo: {
"application/x-www-form-urlencoded": 1,
"multipart/form-data": 1,
"text/plain": 1
},
defaultProp: "application/x-www-form-urlencoded",
proptype: "enum"
},
{
name: "method",
limitedTo: {
"get": 1,
"post": 1
},
defaultProp: "get",
proptype: "enum"
},
{
name: "action",
proptype: "url"
},
{
name: "target"
},
{
name: "novalidate",
propName: "noValidate",
proptype: "boolean"
}
].forEach(function(desc){
var propName = 'form'+ (desc.propName || desc.name).replace(/^[a-z]/, function(f){
return f.toUpperCase();
});
var attrName = 'form'+ desc.name;
var formName = desc.name;
var eventName = 'click.webshimssubmittermutate'+formName;
var changeSubmitter = function(){
var elem = this;
if( !('form' in elem) || !submitterTypes[elem.type] ){return;}
var form = $.prop(elem, 'form');
if(!form){return;}
var attr = $.attr(elem, attrName);
if(attr != null && ( !desc.limitedTo || attr.toLowerCase() === $.prop(elem, propName))){
var oldAttr = $.attr(form, formName);
$.attr(form, formName, attr);
setTimeout(function(){
if(oldAttr != null){
$.attr(form, formName, oldAttr);
} else {
try {
$(form).removeAttr(formName);
} catch(er){
form.removeAttribute(formName);
}
}
}, 9);
}
};
switch(desc.proptype) {
case "url":
var urlForm = document.createElement('form');
formSubmitterDescriptors[propName] = {
prop: {
set: function(value){
$.attr(this, attrName, value);
},
get: function(){
var value = $.attr(this, attrName);
if(value == null){return '';}
urlForm.setAttribute('action', value);
return urlForm.action;
}
}
};
break;
case "boolean":
formSubmitterDescriptors[propName] = {
prop: {
set: function(val){
val = !!val;
if(val){
$.attr(this, 'formnovalidate', 'formnovalidate');
} else {
$(this).removeAttr('formnovalidate');
}
},
get: function(){
return $.attr(this, 'formnovalidate') != null;
}
}
};
break;
case "enum":
formSubmitterDescriptors[propName] = {
prop: {
set: function(value){
$.attr(this, attrName, value);
},
get: function(){
var value = $.attr(this, attrName);
return (!value || ( (value = value.toLowerCase()) && !desc.limitedTo[value] )) ? desc.defaultProp : value;
}
}
};
break;
default:
formSubmitterDescriptors[propName] = {
prop: {
set: function(value){
$.attr(this, attrName, value);
},
get: function(){
var value = $.attr(this, attrName);
return (value != null) ? value : "";
}
}
};
}
if(!formSubmitterDescriptors[attrName]){
formSubmitterDescriptors[attrName] = {};
}
formSubmitterDescriptors[attrName].attr = {
set: function(value){
formSubmitterDescriptors[attrName].attr._supset.call(this, value);
$(this).off(eventName).on(eventName, changeSubmitter);
},
get: function(){
return formSubmitterDescriptors[attrName].attr._supget.call(this);
}
};
formSubmitterDescriptors[attrName].initAttr = true;
formSubmitterDescriptors[attrName].removeAttr = {
value: function(){
$(this).off(eventName);
formSubmitterDescriptors[attrName].removeAttr._supvalue.call(this);
}
};
});
webshims.defineNodeNamesProperties(['input', 'button'], formSubmitterDescriptors);
}); //webshims.ready end