Template:H4Z-Hangzhou/js/lib/jqBootstrapValidation
/* jqBootstrapValidation
* A plugin for automating validation on Twitter Bootstrap formatted forms. * * v1.3.6 * * License: MIT <http://opensource.org/licenses/mit-license.php> - see LICENSE file * * http://ReactiveRaven.github.com/jqBootstrapValidation/ */
(function( $ ){
var createdElements = [];
var defaults = { options: { prependExistingHelpBlock: false, sniffHtml: true, // sniff for 'required', 'maxlength', etc preventSubmit: true, // stop the form submit event from firing if validation fails submitError: false, // function called if there is an error when trying to submit submitSuccess: false, // function called just before a successful submit event is sent to the server
semanticallyStrict: false, // set to true to tidy up generated HTML output
autoAdd: { helpBlocks: true },
filter: function () {
// return $(this).is(":visible"); // only validate elements you can see
return true; // validate everything
}
},
methods: {
init : function( options ) {
var settings = $.extend(true, {}, defaults);
settings.options = $.extend(true, settings.options, options);
var $siblingElements = this;
var uniqueForms = $.unique(
$siblingElements.map( function () {
return $(this).parents("form")[0];
}).toArray()
);
$(uniqueForms).bind("submit", function (e) {
var $form = $(this);
var warningsFound = 0;
var $inputs = $form.find("input,textarea,select").not("[type=submit],[type=image]").filter(settings.options.filter);
$inputs.trigger("submit.validation").trigger("validationLostFocus.validation");
$inputs.each(function (i, el) {
var $this = $(el),
$controlGroup = $this.parents(".form-group").first();
if (
$controlGroup.hasClass("warning")
) {
$controlGroup.removeClass("warning").addClass("error");
warningsFound++;
}
});
$inputs.trigger("validationLostFocus.validation");
if (warningsFound) {
if (settings.options.preventSubmit) {
e.preventDefault();
}
$form.addClass("error");
if ($.isFunction(settings.options.submitError)) {
settings.options.submitError($form, e, $inputs.jqBootstrapValidation("collectErrors", true));
}
} else {
$form.removeClass("error");
if ($.isFunction(settings.options.submitSuccess)) {
settings.options.submitSuccess($form, e);
}
}
});
return this.each(function(){
// Get references to everything we're interested in
var $this = $(this),
$controlGroup = $this.parents(".form-group").first(),
$helpBlock = $controlGroup.find(".help-block").first(),
$form = $this.parents("form").first(),
validatorNames = [];
// create message container if not exists
if (!$helpBlock.length && settings.options.autoAdd && settings.options.autoAdd.helpBlocks) {
$helpBlock = $('<div class="help-block" />');
$controlGroup.find('.controls').append($helpBlock);
createdElements.push($helpBlock[0]);
}
// =============================================================
// SNIFF HTML FOR VALIDATORS
// =============================================================
// *snort sniff snuffle*
if (settings.options.sniffHtml) {
var message = "";
// ---------------------------------------------------------
// PATTERN
// ---------------------------------------------------------
if ($this.attr("pattern") !== undefined) {
message = "Not in the expected format";
if ($this.data("validationPatternMessage")) {
message = $this.data("validationPatternMessage");
}
$this.data("validationPatternMessage", message);
$this.data("validationPatternRegex", $this.attr("pattern"));
}
// ---------------------------------------------------------
// MAX
// ---------------------------------------------------------
if ($this.attr("max") !== undefined || $this.attr("aria-valuemax") !== undefined) {
var max = ($this.attr("max") !== undefined ? $this.attr("max") : $this.attr("aria-valuemax"));
message = "Too high: Maximum of '" + max + "'";
if ($this.data("validationMaxMessage")) {
message = $this.data("validationMaxMessage");
}
$this.data("validationMaxMessage", message);
$this.data("validationMaxMax", max);
}
// ---------------------------------------------------------
// MIN
// ---------------------------------------------------------
if ($this.attr("min") !== undefined || $this.attr("aria-valuemin") !== undefined) {
var min = ($this.attr("min") !== undefined ? $this.attr("min") : $this.attr("aria-valuemin"));
message = "Too low: Minimum of '" + min + "'";
if ($this.data("validationMinMessage")) {
message = $this.data("validationMinMessage");
}
$this.data("validationMinMessage", message);
$this.data("validationMinMin", min);
}
// ---------------------------------------------------------
// MAXLENGTH
// ---------------------------------------------------------
if ($this.attr("maxlength") !== undefined) {
message = "Too long: Maximum of '" + $this.attr("maxlength") + "' characters";
if ($this.data("validationMaxlengthMessage")) {
message = $this.data("validationMaxlengthMessage");
}
$this.data("validationMaxlengthMessage", message);
$this.data("validationMaxlengthMaxlength", $this.attr("maxlength"));
}
// ---------------------------------------------------------
// MINLENGTH
// ---------------------------------------------------------
if ($this.attr("minlength") !== undefined) {
message = "Too short: Minimum of '" + $this.attr("minlength") + "' characters";
if ($this.data("validationMinlengthMessage")) {
message = $this.data("validationMinlengthMessage");
}
$this.data("validationMinlengthMessage", message);
$this.data("validationMinlengthMinlength", $this.attr("minlength"));
}
// ---------------------------------------------------------
// REQUIRED
// ---------------------------------------------------------
if ($this.attr("required") !== undefined || $this.attr("aria-required") !== undefined) {
message = settings.builtInValidators.required.message;
if ($this.data("validationRequiredMessage")) {
message = $this.data("validationRequiredMessage");
}
$this.data("validationRequiredMessage", message);
}
// ---------------------------------------------------------
// NUMBER
// ---------------------------------------------------------
if ($this.attr("type") !== undefined && $this.attr("type").toLowerCase() === "number") {
message = settings.builtInValidators.number.message;
if ($this.data("validationNumberMessage")) {
message = $this.data("validationNumberMessage");
}
$this.data("validationNumberMessage", message);
}
// ---------------------------------------------------------
// EMAIL
// ---------------------------------------------------------
if ($this.attr("type") !== undefined && $this.attr("type").toLowerCase() === "email") {
message = "Not a valid email address";
if ($this.data("validationValidemailMessage")) {
message = $this.data("validationValidemailMessage");
} else if ($this.data("validationEmailMessage")) {
message = $this.data("validationEmailMessage");
}
$this.data("validationValidemailMessage", message);
}
// ---------------------------------------------------------
// MINCHECKED
// ---------------------------------------------------------
if ($this.attr("minchecked") !== undefined) {
message = "Not enough options checked; Minimum of '" + $this.attr("minchecked") + "' required";
if ($this.data("validationMincheckedMessage")) {
message = $this.data("validationMincheckedMessage");
}
$this.data("validationMincheckedMessage", message);
$this.data("validationMincheckedMinchecked", $this.attr("minchecked"));
}
// ---------------------------------------------------------
// MAXCHECKED
// ---------------------------------------------------------
if ($this.attr("maxchecked") !== undefined) {
message = "Too many options checked; Maximum of '" + $this.attr("maxchecked") + "' required";
if ($this.data("validationMaxcheckedMessage")) {
message = $this.data("validationMaxcheckedMessage");
}
$this.data("validationMaxcheckedMessage", message);
$this.data("validationMaxcheckedMaxchecked", $this.attr("maxchecked"));
}
}
// =============================================================
// COLLECT VALIDATOR NAMES
// =============================================================
// Get named validators
if ($this.data("validation") !== undefined) {
validatorNames = $this.data("validation").split(",");
}
// Get extra ones defined on the element's data attributes
$.each($this.data(), function (i, el) {
var parts = i.replace(/([A-Z])/g, ",$1").split(",");
if (parts[0] === "validation" && parts[1]) {
validatorNames.push(parts[1]);
}
});
// =============================================================
// NORMALISE VALIDATOR NAMES
// =============================================================
var validatorNamesToInspect = validatorNames;
var newValidatorNamesToInspect = [];
do // repeatedly expand 'shortcut' validators into their real validators
{
// Uppercase only the first letter of each name
$.each(validatorNames, function (i, el) {
validatorNames[i] = formatValidatorName(el);
});
// Remove duplicate validator names
validatorNames = $.unique(validatorNames);
// Pull out the new validator names from each shortcut
newValidatorNamesToInspect = [];
$.each(validatorNamesToInspect, function(i, el) {
if ($this.data("validation" + el + "Shortcut") !== undefined) {
// Are these custom validators?
// Pull them out!
$.each($this.data("validation" + el + "Shortcut").split(","), function(i2, el2) {
newValidatorNamesToInspect.push(el2);
});
} else if (settings.builtInValidators[el.toLowerCase()]) {
// Is this a recognised built-in?
// Pull it out!
var validator = settings.builtInValidators[el.toLowerCase()];
if (validator.type.toLowerCase() === "shortcut") {
$.each(validator.shortcut.split(","), function (i, el) {
el = formatValidatorName(el);
newValidatorNamesToInspect.push(el);
validatorNames.push(el);
});
}
}
});
validatorNamesToInspect = newValidatorNamesToInspect;
} while (validatorNamesToInspect.length > 0)
// =============================================================
// SET UP VALIDATOR ARRAYS
// =============================================================
var validators = {};
$.each(validatorNames, function (i, el) {
// Set up the 'override' message
var message = $this.data("validation" + el + "Message");
var hasOverrideMessage = (message !== undefined);
var foundValidator = false;
message =
(
message
? message
: "'" + el + "' validation failed "
)
;
$.each(
settings.validatorTypes,
function (validatorType, validatorTemplate) {
if (validators[validatorType] === undefined) {
validators[validatorType] = [];
}
if (!foundValidator && $this.data("validation" + el + formatValidatorName(validatorTemplate.name)) !== undefined) {
validators[validatorType].push(
$.extend(
true,
{
name: formatValidatorName(validatorTemplate.name),
message: message
},
validatorTemplate.init($this, el)
)
);
foundValidator = true;
}
}
);
if (!foundValidator && settings.builtInValidators[el.toLowerCase()]) {
var validator = $.extend(true, {}, settings.builtInValidators[el.toLowerCase()]);
if (hasOverrideMessage) {
validator.message = message;
}
var validatorType = validator.type.toLowerCase();
if (validatorType === "shortcut") {
foundValidator = true;
} else {
$.each(
settings.validatorTypes,
function (validatorTemplateType, validatorTemplate) {
if (validators[validatorTemplateType] === undefined) {
validators[validatorTemplateType] = [];
}
if (!foundValidator && validatorType === validatorTemplateType.toLowerCase()) {
$this.data("validation" + el + formatValidatorName(validatorTemplate.name), validator[validatorTemplate.name.toLowerCase()]);
validators[validatorType].push(
$.extend(
validator,
validatorTemplate.init($this, el)
)
);
foundValidator = true;
}
}
);
}
}
if (! foundValidator) {
$.error("Cannot find validation info for '" + el + "'");
}
});
// =============================================================
// STORE FALLBACK VALUES
// =============================================================
$helpBlock.data(
"original-contents",
(
$helpBlock.data("original-contents")
? $helpBlock.data("original-contents")
: $helpBlock.html()
)
);
$helpBlock.data(
"original-role",
(
$helpBlock.data("original-role")
? $helpBlock.data("original-role")
: $helpBlock.attr("role")
)
);
$controlGroup.data(
"original-classes",
(
$controlGroup.data("original-clases")
? $controlGroup.data("original-classes")
: $controlGroup.attr("class")
)
);
$this.data(
"original-aria-invalid",
(
$this.data("original-aria-invalid")
? $this.data("original-aria-invalid")
: $this.attr("aria-invalid")
)
);
// =============================================================
// VALIDATION
// =============================================================
$this.bind(
"validation.validation",
function (event, params) {
var value = getValue($this);
// Get a list of the errors to apply
var errorsFound = [];
$.each(validators, function (validatorType, validatorTypeArray) {
if (value || value.length || (params && params.includeEmpty) || (!!settings.validatorTypes[validatorType].blockSubmit && params && !!params.submitting)) {
$.each(validatorTypeArray, function (i, validator) {
if (settings.validatorTypes[validatorType].validate($this, value, validator)) {
errorsFound.push(validator.message);
}
});
}
});
return errorsFound;
}
);
$this.bind(
"getValidators.validation",
function () {
return validators;
}
);
// =============================================================
// WATCH FOR CHANGES
// =============================================================
$this.bind(
"submit.validation",
function () {
return $this.triggerHandler("change.validation", {submitting: true});
}
);
$this.bind(
[
"keyup",
"focus",
"blur",
"click",
"keydown",
"keypress",
"change"
].join(".validation ") + ".validation",
function (e, params) {
var value = getValue($this);
var errorsFound = [];
$controlGroup.find("input,textarea,select").each(function (i, el) {
var oldCount = errorsFound.length;
$.each($(el).triggerHandler("validation.validation", params), function (j, message) {
errorsFound.push(message);
});
if (errorsFound.length > oldCount) {
$(el).attr("aria-invalid", "true");
} else {
var original = $this.data("original-aria-invalid");
$(el).attr("aria-invalid", (original !== undefined ? original : false));
}
});
$form.find("input,select,textarea").not($this).not("[name=\"" + $this.attr("name") + "\"]").trigger("validationLostFocus.validation");
errorsFound = $.unique(errorsFound.sort());
// Were there any errors?
if (errorsFound.length) {
// Better flag it up as a warning.
$controlGroup.removeClass("success error").addClass("warning");
// How many errors did we find?
if (settings.options.semanticallyStrict && errorsFound.length === 1) {
// Only one? Being strict? Just output it.
$helpBlock.html(errorsFound[0] +
( settings.options.prependExistingHelpBlock ? $helpBlock.data("original-contents") : "" ));
} else {
// Multiple? Being sloppy? Glue them together into an UL.
$helpBlock.html("- " + errorsFound.join("
- ") + "
( settings.options.prependExistingHelpBlock ? $helpBlock.data("original-contents") : "" ));
}
} else {
$controlGroup.removeClass("warning error success");
if (value.length > 0) {
$controlGroup.addClass("success");
}
$helpBlock.html($helpBlock.data("original-contents"));
}
if (e.type === "blur") {
$controlGroup.removeClass("success");
}
}
);
$this.bind("validationLostFocus.validation", function () {
$controlGroup.removeClass("success");
});
});
},
destroy : function( ) {
return this.each(
function() {
var
$this = $(this),
$controlGroup = $this.parents(".form-group").first(),
$helpBlock = $controlGroup.find(".help-block").first();
// remove our events
$this.unbind('.validation'); // events are namespaced.
// reset help text
$helpBlock.html($helpBlock.data("original-contents"));
// reset classes
$controlGroup.attr("class", $controlGroup.data("original-classes"));
// reset aria
$this.attr("aria-invalid", $this.data("original-aria-invalid"));
// reset role
$helpBlock.attr("role", $this.data("original-role"));
// remove all elements we created if (createdElements.indexOf($helpBlock[0]) > -1) { $helpBlock.remove(); }
}
);
},
collectErrors : function(includeEmpty) {
var errorMessages = {};
this.each(function (i, el) {
var $el = $(el);
var name = $el.attr("name");
var errors = $el.triggerHandler("validation.validation", {includeEmpty: true});
errorMessages[name] = $.extend(true, errors, errorMessages[name]);
});
$.each(errorMessages, function (i, el) {
if (el.length === 0) {
delete errorMessages[i];
}
});
return errorMessages;
},
hasErrors: function() {
var errorMessages = [];
this.each(function (i, el) {
errorMessages = errorMessages.concat(
$(el).triggerHandler("getValidators.validation") ? $(el).triggerHandler("validation.validation", {submitting: true}) : []
);
});
return (errorMessages.length > 0);
},
override : function (newDefaults) {
defaults = $.extend(true, defaults, newDefaults);
}
},
validatorTypes: {
callback: {
name: "callback",
init: function ($this, name) {
return {
validatorName: name,
callback: $this.data("validation" + name + "Callback"),
lastValue: $this.val(),
lastValid: true,
lastFinished: true
};
},
validate: function ($this, value, validator) {
if (validator.lastValue === value && validator.lastFinished) {
return !validator.lastValid;
}
if (validator.lastFinished === true)
{
validator.lastValue = value;
validator.lastValid = true;
validator.lastFinished = false;
var rrjqbvValidator = validator;
var rrjqbvThis = $this;
executeFunctionByName(
validator.callback,
window,
$this,
value,
function (data) {
if (rrjqbvValidator.lastValue === data.value) {
rrjqbvValidator.lastValid = data.valid;
if (data.message) {
rrjqbvValidator.message = data.message;
}
rrjqbvValidator.lastFinished = true;
rrjqbvThis.data("validation" + rrjqbvValidator.validatorName + "Message", rrjqbvValidator.message);
// Timeout is set to avoid problems with the events being considered 'already fired'
setTimeout(function () {
rrjqbvThis.trigger("change.validation");
}, 1); // doesn't need a long timeout, just long enough for the event bubble to burst
}
}
);
}
return false;
}
},
ajax: {
name: "ajax",
init: function ($this, name) {
return {
validatorName: name,
url: $this.data("validation" + name + "Ajax"),
lastValue: $this.val(),
lastValid: true,
lastFinished: true
};
},
validate: function ($this, value, validator) {
if (""+validator.lastValue === ""+value && validator.lastFinished === true) {
return validator.lastValid === false;
}
if (validator.lastFinished === true)
{
validator.lastValue = value;
validator.lastValid = true;
validator.lastFinished = false;
$.ajax({
url: validator.url,
data: "value=" + value + "&field=" + $this.attr("name"),
dataType: "json",
success: function (data) {
if (""+validator.lastValue === ""+data.value) {
validator.lastValid = !!(data.valid);
if (data.message) {
validator.message = data.message;
}
validator.lastFinished = true;
$this.data("validation" + validator.validatorName + "Message", validator.message);
// Timeout is set to avoid problems with the events being considered 'already fired'
setTimeout(function () {
$this.trigger("change.validation");
}, 1); // doesn't need a long timeout, just long enough for the event bubble to burst
}
},
failure: function () {
validator.lastValid = true;
validator.message = "ajax call failed";
validator.lastFinished = true;
$this.data("validation" + validator.validatorName + "Message", validator.message);
// Timeout is set to avoid problems with the events being considered 'already fired'
setTimeout(function () {
$this.trigger("change.validation");
}, 1); // doesn't need a long timeout, just long enough for the event bubble to burst
}
});
}
return false;
}
},
regex: { name: "regex", init: function ($this, name) { return {regex: regexFromString($this.data("validation" + name + "Regex"))}; }, validate: function ($this, value, validator) { return (!validator.regex.test(value) && ! validator.negative) || (validator.regex.test(value) && validator.negative); } }, required: { name: "required", init: function ($this, name) { return {}; }, validate: function ($this, value, validator) { return !!(value.length === 0 && ! validator.negative) || !!(value.length > 0 && validator.negative); },
blockSubmit: true
}, match: { name: "match", init: function ($this, name) { var element = $this.parents("form").first().find("[name=\"" + $this.data("validation" + name + "Match") + "\"]").first(); element.bind("validation.validation", function () { $this.trigger("change.validation", {submitting: true}); }); return {"element": element}; }, validate: function ($this, value, validator) { return (value !== validator.element.val() && ! validator.negative) || (value === validator.element.val() && validator.negative); },
blockSubmit: true
}, max: { name: "max", init: function ($this, name) { return {max: $this.data("validation" + name + "Max")}; }, validate: function ($this, value, validator) { return (parseFloat(value, 10) > parseFloat(validator.max, 10) && ! validator.negative) || (parseFloat(value, 10) <= parseFloat(validator.max, 10) && validator.negative); } }, min: { name: "min", init: function ($this, name) { return {min: $this.data("validation" + name + "Min")}; }, validate: function ($this, value, validator) { return (parseFloat(value) < parseFloat(validator.min) && ! validator.negative) || (parseFloat(value) >= parseFloat(validator.min) && validator.negative); } }, maxlength: { name: "maxlength", init: function ($this, name) { return {maxlength: $this.data("validation" + name + "Maxlength")}; }, validate: function ($this, value, validator) { return ((value.length > validator.maxlength) && ! validator.negative) || ((value.length <= validator.maxlength) && validator.negative); } }, minlength: { name: "minlength", init: function ($this, name) { return {minlength: $this.data("validation" + name + "Minlength")}; }, validate: function ($this, value, validator) { return ((value.length < validator.minlength) && ! validator.negative) || ((value.length >= validator.minlength) && validator.negative); } }, maxchecked: { name: "maxchecked", init: function ($this, name) { var elements = $this.parents("form").first().find("[name=\"" + $this.attr("name") + "\"]"); elements.bind("click.validation", function () { $this.trigger("change.validation", {includeEmpty: true}); }); return {maxchecked: $this.data("validation" + name + "Maxchecked"), elements: elements}; }, validate: function ($this, value, validator) { return (validator.elements.filter(":checked").length > validator.maxchecked && ! validator.negative) || (validator.elements.filter(":checked").length <= validator.maxchecked && validator.negative); },
blockSubmit: true
}, minchecked: { name: "minchecked", init: function ($this, name) { var elements = $this.parents("form").first().find("[name=\"" + $this.attr("name") + "\"]"); elements.bind("click.validation", function () { $this.trigger("change.validation", {includeEmpty: true}); }); return {minchecked: $this.data("validation" + name + "Minchecked"), elements: elements}; }, validate: function ($this, value, validator) { return (validator.elements.filter(":checked").length < validator.minchecked && ! validator.negative) || (validator.elements.filter(":checked").length >= validator.minchecked && validator.negative); },
blockSubmit: true
} }, builtInValidators: { email: { name: "Email", type: "shortcut", shortcut: "validemail" }, validemail: { name: "Validemail", type: "regex", regex: "[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\\.[A-Za-z]{2,4}", message: "Not a valid email address" }, passwordagain: { name: "Passwordagain", type: "match", match: "password", message: "Does not match the given password" }, positive: { name: "Positive", type: "shortcut", shortcut: "number,positivenumber" }, negative: { name: "Negative", type: "shortcut", shortcut: "number,negativenumber" }, number: { name: "Number", type: "regex", regex: "([+-]?\\\d+(\\\.\\\d*)?([eE][+-]?[0-9]+)?)?", message: "Must be a number" }, integer: { name: "Integer", type: "regex", regex: "[+-]?\\\d+", message: "No decimal places allowed" }, positivenumber: { name: "Positivenumber", type: "min", min: 0, message: "Must be a positive number" }, negativenumber: { name: "Negativenumber", type: "max", max: 0, message: "Must be a negative number" }, required: { name: "Required", type: "required", message: "This is required" }, checkone: { name: "Checkone", type: "minchecked", minchecked: 1, message: "Check at least one option" } } };
var formatValidatorName = function (name) { return name .toLowerCase() .replace( /(^|\s)([a-z])/g , function(m,p1,p2) { return p1+p2.toUpperCase(); } ) ; };
var getValue = function ($this) { // Extract the value we're talking about var value = $this.val(); var type = $this.attr("type"); if (type === "checkbox") { value = ($this.is(":checked") ? value : ""); } if (type === "radio") { value = ($('input[name="' + $this.attr("name") + '"]:checked').length > 0 ? value : ""); } return value; };
function regexFromString(inputstring) {
return new RegExp("^" + inputstring + "$"); }
/**
* Thanks to Jason Bunting via StackOverflow.com
*
* http://stackoverflow.com/questions/359788/how-to-execute-a-javascript-function-when-i-have-its-name-as-a-string#answer-359910
* Short link: http://tinyurl.com/executeFunctionByName
**/
function executeFunctionByName(functionName, context /*, args*/) {
var args = Array.prototype.slice.call(arguments).splice(2);
var namespaces = functionName.split(".");
var func = namespaces.pop();
for(var i = 0; i < namespaces.length; i++) {
context = context[namespaces[i]];
}
return context[func].apply(this, args);
}
$.fn.jqBootstrapValidation = function( method ) {
if ( defaults.methods[method] ) { return defaults.methods[method].apply( this, Array.prototype.slice.call( arguments, 1 )); } else if ( typeof method === 'object' || ! method ) { return defaults.methods.init.apply( this, arguments ); } else { $.error( 'Method ' + method + ' does not exist on jQuery.jqBootstrapValidation' ); return null; }
};
$.jqBootstrapValidation = function (options) {
$(":input").not("[type=image],[type=submit]").jqBootstrapValidation.apply(this,arguments);
};
})( jQuery );