kendo.numerictextbox.js
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/**
* Kendo UI v2016.1.112 (http://www.telerik.com/kendo-ui)
* Copyright 2016 Telerik AD. All rights reserved.
*
* Kendo UI commercial licenses may be obtained at
* http://www.telerik.com/purchase/license-agreement/kendo-ui-complete
* If you do not own a commercial license, this file shall be governed by the trial license terms.
*/
(function (f, define) {
define('kendo.numerictextbox', [
'kendo.core',
'kendo.userevents'
], f);
}(function () {
var __meta__ = {
id: 'numerictextbox',
name: 'NumericTextBox',
category: 'web',
description: 'The NumericTextBox widget can format and display numeric, percentage or currency textbox.',
depends: [
'core',
'userevents'
]
};
(function ($, undefined) {
var kendo = window.kendo, caret = kendo.caret, keys = kendo.keys, ui = kendo.ui, Widget = ui.Widget, activeElement = kendo._activeElement, extractFormat = kendo._extractFormat, parse = kendo.parseFloat, placeholderSupported = kendo.support.placeholder, getCulture = kendo.getCulture, round = kendo._round, CHANGE = 'change', DISABLED = 'disabled', READONLY = 'readonly', INPUT = 'k-input', SPIN = 'spin', ns = '.kendoNumericTextBox', TOUCHEND = 'touchend', MOUSELEAVE = 'mouseleave' + ns, HOVEREVENTS = 'mouseenter' + ns + ' ' + MOUSELEAVE, DEFAULT = 'k-state-default', FOCUSED = 'k-state-focused', HOVER = 'k-state-hover', FOCUS = 'focus', POINT = '.', SELECTED = 'k-state-selected', STATEDISABLED = 'k-state-disabled', ARIA_DISABLED = 'aria-disabled', ARIA_READONLY = 'aria-readonly', INTEGER_REGEXP = /^(-)?(\d*)$/, NULL = null, proxy = $.proxy, extend = $.extend;
var NumericTextBox = Widget.extend({
init: function (element, options) {
var that = this, isStep = options && options.step !== undefined, min, max, step, value, disabled;
Widget.fn.init.call(that, element, options);
options = that.options;
element = that.element.on('focusout' + ns, proxy(that._focusout, that)).attr('role', 'spinbutton');
options.placeholder = options.placeholder || element.attr('placeholder');
that._initialOptions = extend({}, options);
that._reset();
that._wrapper();
that._arrows();
that._input();
if (!kendo.support.mobileOS) {
that._text.on(FOCUS + ns, proxy(that._click, that));
} else {
that._text.on(TOUCHEND + ns + ' ' + FOCUS + ns, function () {
that._toggleText(false);
element.focus();
});
}
min = that.min(element.attr('min'));
max = that.max(element.attr('max'));
step = that._parse(element.attr('step'));
if (options.min === NULL && min !== NULL) {
options.min = min;
}
if (options.max === NULL && max !== NULL) {
options.max = max;
}
if (!isStep && step !== NULL) {
options.step = step;
}
element.attr('aria-valuemin', options.min).attr('aria-valuemax', options.max);
options.format = extractFormat(options.format);
value = options.value;
that.value(value !== NULL ? value : element.val());
disabled = element.is('[disabled]') || $(that.element).parents('fieldset').is(':disabled');
if (disabled) {
that.enable(false);
} else {
that.readonly(element.is('[readonly]'));
}
kendo.notify(that);
},
options: {
name: 'NumericTextBox',
decimals: NULL,
min: NULL,
max: NULL,
value: NULL,
step: 1,
culture: '',
format: 'n',
spinners: true,
placeholder: '',
upArrowText: 'Increase value',
downArrowText: 'Decrease value'
},
events: [
CHANGE,
SPIN
],
_editable: function (options) {
var that = this, element = that.element, disable = options.disable, readonly = options.readonly, text = that._text.add(element), wrapper = that._inputWrapper.off(HOVEREVENTS);
that._toggleText(true);
that._upArrowEventHandler.unbind('press');
that._downArrowEventHandler.unbind('press');
element.off('keydown' + ns).off('keypress' + ns).off('paste' + ns);
if (!readonly && !disable) {
wrapper.addClass(DEFAULT).removeClass(STATEDISABLED).on(HOVEREVENTS, that._toggleHover);
text.removeAttr(DISABLED).removeAttr(READONLY).attr(ARIA_DISABLED, false).attr(ARIA_READONLY, false);
that._upArrowEventHandler.bind('press', function (e) {
e.preventDefault();
that._spin(1);
that._upArrow.addClass(SELECTED);
});
that._downArrowEventHandler.bind('press', function (e) {
e.preventDefault();
that._spin(-1);
that._downArrow.addClass(SELECTED);
});
that.element.on('keydown' + ns, proxy(that._keydown, that)).on('keypress' + ns, proxy(that._keypress, that)).on('paste' + ns, proxy(that._paste, that));
} else {
wrapper.addClass(disable ? STATEDISABLED : DEFAULT).removeClass(disable ? DEFAULT : STATEDISABLED);
text.attr(DISABLED, disable).attr(READONLY, readonly).attr(ARIA_DISABLED, disable).attr(ARIA_READONLY, readonly);
}
},
readonly: function (readonly) {
this._editable({
readonly: readonly === undefined ? true : readonly,
disable: false
});
},
enable: function (enable) {
this._editable({
readonly: false,
disable: !(enable = enable === undefined ? true : enable)
});
},
destroy: function () {
var that = this;
that.element.add(that._text).add(that._upArrow).add(that._downArrow).add(that._inputWrapper).off(ns);
that._upArrowEventHandler.destroy();
that._downArrowEventHandler.destroy();
if (that._form) {
that._form.off('reset', that._resetHandler);
}
Widget.fn.destroy.call(that);
},
min: function (value) {
return this._option('min', value);
},
max: function (value) {
return this._option('max', value);
},
step: function (value) {
return this._option('step', value);
},
value: function (value) {
var that = this, adjusted;
if (value === undefined) {
return that._value;
}
value = that._parse(value);
adjusted = that._adjust(value);
if (value !== adjusted) {
return;
}
that._update(value);
that._old = that._value;
},
focus: function () {
this._focusin();
},
_adjust: function (value) {
var that = this, options = that.options, min = options.min, max = options.max;
if (value === NULL) {
return value;
}
if (min !== NULL && value < min) {
value = min;
} else if (max !== NULL && value > max) {
value = max;
}
return value;
},
_arrows: function () {
var that = this, arrows, _release = function () {
clearTimeout(that._spinning);
arrows.removeClass(SELECTED);
}, options = that.options, spinners = options.spinners, element = that.element;
arrows = element.siblings('.k-icon');
if (!arrows[0]) {
arrows = $(buttonHtml('n', options.upArrowText) + buttonHtml('s', options.downArrowText)).insertAfter(element);
arrows.wrapAll('<span class="k-select"/>');
}
if (!spinners) {
arrows.parent().toggle(spinners);
that._inputWrapper.addClass('k-expand-padding');
}
that._upArrow = arrows.eq(0);
that._upArrowEventHandler = new kendo.UserEvents(that._upArrow, { release: _release });
that._downArrow = arrows.eq(1);
that._downArrowEventHandler = new kendo.UserEvents(that._downArrow, { release: _release });
},
_blur: function () {
var that = this;
that._toggleText(true);
that._change(that.element.val());
},
_click: function (e) {
var that = this;
clearTimeout(that._focusing);
that._focusing = setTimeout(function () {
var input = e.target, idx = caret(input)[0], value = input.value.substring(0, idx), format = that._format(that.options.format), group = format[','], result, groupRegExp, extractRegExp, caretPosition = 0;
if (group) {
groupRegExp = new RegExp('\\' + group, 'g');
extractRegExp = new RegExp('([\\d\\' + group + ']+)(\\' + format[POINT] + ')?(\\d+)?');
}
if (extractRegExp) {
result = extractRegExp.exec(value);
}
if (result) {
caretPosition = result[0].replace(groupRegExp, '').length;
if (value.indexOf('(') != -1 && that._value < 0) {
caretPosition++;
}
}
that._focusin();
caret(that.element[0], caretPosition);
});
},
_change: function (value) {
var that = this;
that._update(value);
value = that._value;
if (that._old != value) {
that._old = value;
if (!that._typing) {
that.element.trigger(CHANGE);
}
that.trigger(CHANGE);
}
that._typing = false;
},
_culture: function (culture) {
return culture || getCulture(this.options.culture);
},
_focusin: function () {
var that = this;
that._inputWrapper.addClass(FOCUSED);
that._toggleText(false);
that.element[0].focus();
},
_focusout: function () {
var that = this;
clearTimeout(that._focusing);
that._inputWrapper.removeClass(FOCUSED).removeClass(HOVER);
that._blur();
},
_format: function (format, culture) {
var numberFormat = this._culture(culture).numberFormat;
format = format.toLowerCase();
if (format.indexOf('c') > -1) {
numberFormat = numberFormat.currency;
} else if (format.indexOf('p') > -1) {
numberFormat = numberFormat.percent;
}
return numberFormat;
},
_input: function () {
var that = this, CLASSNAME = 'k-formatted-value', element = that.element.addClass(INPUT).show()[0], accessKey = element.accessKey, wrapper = that.wrapper, text;
text = wrapper.find(POINT + CLASSNAME);
if (!text[0]) {
text = $('<input type="text"/>').insertBefore(element).addClass(CLASSNAME);
}
try {
element.setAttribute('type', 'text');
} catch (e) {
element.type = 'text';
}
text[0].tabIndex = element.tabIndex;
text[0].style.cssText = element.style.cssText;
text[0].title = element.title;
text.prop('placeholder', that.options.placeholder);
if (accessKey) {
text.attr('accesskey', accessKey);
element.accessKey = '';
}
that._text = text.addClass(element.className);
},
_keydown: function (e) {
var that = this, key = e.keyCode;
that._key = key;
if (key == keys.DOWN) {
that._step(-1);
} else if (key == keys.UP) {
that._step(1);
} else if (key == keys.ENTER) {
that._change(that.element.val());
} else {
that._typing = true;
}
},
_keypress: function (e) {
if (e.which === 0 || e.metaKey || e.ctrlKey || e.keyCode === keys.BACKSPACE || e.keyCode === keys.ENTER) {
return;
}
var that = this;
var min = that.options.min;
var element = that.element;
var selection = caret(element);
var selectionStart = selection[0];
var selectionEnd = selection[1];
var character = String.fromCharCode(e.which);
var numberFormat = that._format(that.options.format);
var isNumPadDecimal = that._key === keys.NUMPAD_DOT;
var value = element.val();
var isValid;
if (isNumPadDecimal) {
character = numberFormat[POINT];
}
value = value.substring(0, selectionStart) + character + value.substring(selectionEnd);
isValid = that._numericRegex(numberFormat).test(value);
if (isValid && isNumPadDecimal) {
element.val(value);
caret(element, selectionStart + character.length);
e.preventDefault();
} else if (min !== null && min >= 0 && value.charAt(0) === '-' || !isValid) {
e.preventDefault();
}
that._key = 0;
},
_numericRegex: function (numberFormat) {
var that = this;
var separator = numberFormat[POINT];
var precision = that.options.decimals;
if (separator === POINT) {
separator = '\\' + separator;
}
if (precision === NULL) {
precision = numberFormat.decimals;
}
if (precision === 0) {
return INTEGER_REGEXP;
}
if (that._separator !== separator) {
that._separator = separator;
that._floatRegExp = new RegExp('^(-)?(((\\d+(' + separator + '\\d*)?)|(' + separator + '\\d*)))?$');
}
return that._floatRegExp;
},
_paste: function (e) {
var that = this, element = e.target, value = element.value;
setTimeout(function () {
if (that._parse(element.value) === NULL) {
that._update(value);
}
});
},
_option: function (option, value) {
var that = this, options = that.options;
if (value === undefined) {
return options[option];
}
value = that._parse(value);
if (!value && option === 'step') {
return;
}
options[option] = value;
that.element.attr('aria-value' + option, value).attr(option, value);
},
_spin: function (step, timeout) {
var that = this;
timeout = timeout || 500;
clearTimeout(that._spinning);
that._spinning = setTimeout(function () {
that._spin(step, 50);
}, timeout);
that._step(step);
},
_step: function (step) {
var that = this, element = that.element, value = that._parse(element.val()) || 0;
if (activeElement() != element[0]) {
that._focusin();
}
value += that.options.step * step;
that._update(that._adjust(value));
that._typing = false;
that.trigger(SPIN);
},
_toggleHover: function (e) {
$(e.currentTarget).toggleClass(HOVER, e.type === 'mouseenter');
},
_toggleText: function (toggle) {
var that = this;
that._text.toggle(toggle);
that.element.toggle(!toggle);
},
_parse: function (value, culture) {
return parse(value, this._culture(culture), this.options.format);
},
_update: function (value) {
var that = this, options = that.options, format = options.format, decimals = options.decimals, culture = that._culture(), numberFormat = that._format(format, culture), isNotNull;
if (decimals === NULL) {
decimals = numberFormat.decimals;
}
value = that._parse(value, culture);
isNotNull = value !== NULL;
if (isNotNull) {
value = parseFloat(round(value, decimals));
}
that._value = value = that._adjust(value);
that._placeholder(kendo.toString(value, format, culture));
if (isNotNull) {
value = value.toString();
if (value.indexOf('e') !== -1) {
value = round(+value, decimals);
}
value = value.replace(POINT, numberFormat[POINT]);
} else {
value = '';
}
that.element.val(value).attr('aria-valuenow', value);
},
_placeholder: function (value) {
this._text.val(value);
if (!placeholderSupported && !value) {
this._text.val(this.options.placeholder);
}
},
_wrapper: function () {
var that = this, element = that.element, DOMElement = element[0], wrapper;
wrapper = element.parents('.k-numerictextbox');
if (!wrapper.is('span.k-numerictextbox')) {
wrapper = element.hide().wrap('<span class="k-numeric-wrap k-state-default" />').parent();
wrapper = wrapper.wrap('<span/>').parent();
}
wrapper[0].style.cssText = DOMElement.style.cssText;
DOMElement.style.width = '';
that.wrapper = wrapper.addClass('k-widget k-numerictextbox').addClass(DOMElement.className).css('display', '');
that._inputWrapper = $(wrapper[0].firstChild);
},
_reset: function () {
var that = this, element = that.element, formId = element.attr('form'), form = formId ? $('#' + formId) : element.closest('form');
if (form[0]) {
that._resetHandler = function () {
setTimeout(function () {
that.value(element[0].value);
that.max(that._initialOptions.max);
that.min(that._initialOptions.min);
});
};
that._form = form.on('reset', that._resetHandler);
}
}
});
function buttonHtml(className, text) {
return '<span unselectable="on" class="k-link"><span unselectable="on" class="k-icon k-i-arrow-' + className + '" title="' + text + '">' + text + '</span></span>';
}
ui.plugin(NumericTextBox);
}(window.kendo.jQuery));
return window.kendo;
}, typeof define == 'function' && define.amd ? define : function (a1, a2, a3) {
(a3 || a2)();
}));