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/*!
* jQuery UI Spinner 1.10.4
* http://jqueryui.com
*
* Copyright 2014 jQuery Foundation and other contributors
* Released under the MIT license.
* http://jquery.org/license
*
* http://api.jqueryui.com/spinner/
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.button.js
*/
(function ($) {
function modifier(fn) {
return function () {
var previous = this.element.val();
fn.apply(this, arguments);
this._refresh();
if (previous !== this.element.val()) {
this._trigger("change");
}
};
}
$.widget("ui.spinner", {
version: "1.10.4",
defaultElement: "",
widgetEventPrefix: "spin",
options: {
culture: null,
icons: {
down: "ui-icon-triangle-1-s",
up: "ui-icon-triangle-1-n"
},
incremental: true,
max: null,
min: null,
numberFormat: null,
page: 10,
step: 1,
change: null,
spin: null,
start: null,
stop: null
},
_create: function () {
// handle string values that need to be parsed
this._setOption("max", this.options.max);
this._setOption("min", this.options.min);
this._setOption("step", this.options.step);
// Only format if there is a value, prevents the field from being marked
// as invalid in Firefox, see #9573.
if (this.value() !== "") {
// Format the value, but don't constrain.
this._value(this.element.val(), true);
}
this._draw();
this._on(this._events);
this._refresh();
// turning off autocomplete prevents the browser from remembering the
// value when navigating through history, so we re-enable autocomplete
// if the page is unloaded before the widget is destroyed. #7790
this._on(this.window, {
beforeunload: function () {
this.element.removeAttr("autocomplete");
}
});
},
_getCreateOptions: function () {
var options = {},
element = this.element;
$.each([ "min", "max", "step" ], function (i, option) {
var value = element.attr(option);
if (value !== undefined && value.length) {
options[ option ] = value;
}
});
return options;
},
_events: {
keydown: function (event) {
if (this._start(event) && this._keydown(event)) {
event.preventDefault();
}
},
keyup: "_stop",
focus: function () {
this.previous = this.element.val();
},
blur: function (event) {
if (this.cancelBlur) {
delete this.cancelBlur;
return;
}
this._stop();
this._refresh();
if (this.previous !== this.element.val()) {
this._trigger("change", event);
}
},
mousewheel: function (event, delta) {
if (!delta) {
return;
}
if (!this.spinning && !this._start(event)) {
return false;
}
this._spin((delta > 0 ? 1 : -1) * this.options.step, event);
clearTimeout(this.mousewheelTimer);
this.mousewheelTimer = this._delay(function () {
if (this.spinning) {
this._stop(event);
}
}, 100);
event.preventDefault();
},
"mousedown .ui-spinner-button": function (event) {
var previous;
// We never want the buttons to have focus; whenever the user is
// interacting with the spinner, the focus should be on the input.
// If the input is focused then this.previous is properly set from
// when the input first received focus. If the input is not focused
// then we need to set this.previous based on the value before spinning.
previous = this.element[0] === this.document[0].activeElement ?
this.previous : this.element.val();
function checkFocus() {
var isActive = this.element[0] === this.document[0].activeElement;
if (!isActive) {
this.element.focus();
this.previous = previous;
// support: IE
// IE sets focus asynchronously, so we need to check if focus
// moved off of the input because the user clicked on the button.
this._delay(function () {
this.previous = previous;
});
}
}
// ensure focus is on (or stays on) the text field
event.preventDefault();
checkFocus.call(this);
// support: IE
// IE doesn't prevent moving focus even with event.preventDefault()
// so we set a flag to know when we should ignore the blur event
// and check (again) if focus moved off of the input.
this.cancelBlur = true;
this._delay(function () {
delete this.cancelBlur;
checkFocus.call(this);
});
if (this._start(event) === false) {
return;
}
this._repeat(null, $(event.currentTarget).hasClass("ui-spinner-up") ? 1 : -1, event);
},
"mouseup .ui-spinner-button": "_stop",
"mouseenter .ui-spinner-button": function (event) {
// button will add ui-state-active if mouse was down while mouseleave and kept down
if (!$(event.currentTarget).hasClass("ui-state-active")) {
return;
}
if (this._start(event) === false) {
return false;
}
this._repeat(null, $(event.currentTarget).hasClass("ui-spinner-up") ? 1 : -1, event);
},
// TODO: do we really want to consider this a stop?
// shouldn't we just stop the repeater and wait until mouseup before
// we trigger the stop event?
"mouseleave .ui-spinner-button": "_stop"
},
_draw: function () {
var uiSpinner = this.uiSpinner = this.element
.addClass("ui-spinner-input")
.attr("autocomplete", "off")
.wrap(this._uiSpinnerHtml())
.parent()
// add buttons
.append(this._buttonHtml());
this.element.attr("role", "spinbutton");
// button bindings
this.buttons = uiSpinner.find(".ui-spinner-button")
.attr("tabIndex", -1)
.button()
.removeClass("ui-corner-all");
// IE 6 doesn't understand height: 50% for the buttons
// unless the wrapper has an explicit height
if (this.buttons.height() > Math.ceil(uiSpinner.height() * 0.5) &&
uiSpinner.height() > 0) {
uiSpinner.height(uiSpinner.height());
}
// disable spinner if element was already disabled
if (this.options.disabled) {
this.disable();
}
},
_keydown: function (event) {
var options = this.options,
keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.UP:
this._repeat(null, 1, event);
return true;
case keyCode.DOWN:
this._repeat(null, -1, event);
return true;
case keyCode.PAGE_UP:
this._repeat(null, options.page, event);
return true;
case keyCode.PAGE_DOWN:
this._repeat(null, -options.page, event);
return true;
}
return false;
},
_uiSpinnerHtml: function () {
return "";
},
_buttonHtml: function () {
return "" +
"" +
"▲" +
"" +
"" +
"▼" +
"";
},
_start: function (event) {
if (!this.spinning && this._trigger("start", event) === false) {
return false;
}
if (!this.counter) {
this.counter = 1;
}
this.spinning = true;
return true;
},
_repeat: function (i, steps, event) {
i = i || 500;
clearTimeout(this.timer);
this.timer = this._delay(function () {
this._repeat(40, steps, event);
}, i);
this._spin(steps * this.options.step, event);
},
_spin: function (step, event) {
var value = this.value() || 0;
if (!this.counter) {
this.counter = 1;
}
value = this._adjustValue(value + step * this._increment(this.counter));
if (!this.spinning || this._trigger("spin", event, { value: value }) !== false) {
this._value(value);
this.counter++;
}
},
_increment: function (i) {
var incremental = this.options.incremental;
if (incremental) {
return $.isFunction(incremental) ?
incremental(i) :
Math.floor(i * i * i / 50000 - i * i / 500 + 17 * i / 200 + 1);
}
return 1;
},
_precision: function () {
var precision = this._precisionOf(this.options.step);
if (this.options.min !== null) {
precision = Math.max(precision, this._precisionOf(this.options.min));
}
return precision;
},
_precisionOf: function (num) {
var str = num.toString(),
decimal = str.indexOf(".");
return decimal === -1 ? 0 : str.length - decimal - 1;
},
_adjustValue: function (value) {
var base, aboveMin,
options = this.options;
// make sure we're at a valid step
// - find out where we are relative to the base (min or 0)
base = options.min !== null ? options.min : 0;
aboveMin = value - base;
// - round to the nearest step
aboveMin = Math.round(aboveMin / options.step) * options.step;
// - rounding is based on 0, so adjust back to our base
value = base + aboveMin;
// fix precision from bad JS floating point math
value = parseFloat(value.toFixed(this._precision()));
// clamp the value
if (options.max !== null && value > options.max) {
return options.max;
}
if (options.min !== null && value < options.min) {
return options.min;
}
return value;
},
_stop: function (event) {
if (!this.spinning) {
return;
}
clearTimeout(this.timer);
clearTimeout(this.mousewheelTimer);
this.counter = 0;
this.spinning = false;
this._trigger("stop", event);
},
_setOption: function (key, value) {
if (key === "culture" || key === "numberFormat") {
var prevValue = this._parse(this.element.val());
this.options[ key ] = value;
this.element.val(this._format(prevValue));
return;
}
if (key === "max" || key === "min" || key === "step") {
if (typeof value === "string") {
value = this._parse(value);
}
}
if (key === "icons") {
this.buttons.first().find(".ui-icon")
.removeClass(this.options.icons.up)
.addClass(value.up);
this.buttons.last().find(".ui-icon")
.removeClass(this.options.icons.down)
.addClass(value.down);
}
this._super(key, value);
if (key === "disabled") {
if (value) {
this.element.prop("disabled", true);
this.buttons.button("disable");
} else {
this.element.prop("disabled", false);
this.buttons.button("enable");
}
}
},
_setOptions: modifier(function (options) {
this._super(options);
this._value(this.element.val());
}),
_parse: function (val) {
if (typeof val === "string" && val !== "") {
val = window.Globalize && this.options.numberFormat ?
Globalize.parseFloat(val, 10, this.options.culture) : +val;
}
return val === "" || isNaN(val) ? null : val;
},
_format: function (value) {
if (value === "") {
return "";
}
return window.Globalize && this.options.numberFormat ?
Globalize.format(value, this.options.numberFormat, this.options.culture) :
value;
},
_refresh: function () {
this.element.attr({
"aria-valuemin": this.options.min,
"aria-valuemax": this.options.max,
// TODO: what should we do with values that can't be parsed?
"aria-valuenow": this._parse(this.element.val())
});
},
// update the value without triggering change
_value: function (value, allowAny) {
var parsed;
if (value !== "") {
parsed = this._parse(value);
if (parsed !== null) {
if (!allowAny) {
parsed = this._adjustValue(parsed);
}
value = this._format(parsed);
}
}
this.element.val(value);
this._refresh();
},
_destroy: function () {
this.element
.removeClass("ui-spinner-input")
.prop("disabled", false)
.removeAttr("autocomplete")
.removeAttr("role")
.removeAttr("aria-valuemin")
.removeAttr("aria-valuemax")
.removeAttr("aria-valuenow");
this.uiSpinner.replaceWith(this.element);
},
stepUp: modifier(function (steps) {
this._stepUp(steps);
}),
_stepUp: function (steps) {
if (this._start()) {
this._spin((steps || 1) * this.options.step);
this._stop();
}
},
stepDown: modifier(function (steps) {
this._stepDown(steps);
}),
_stepDown: function (steps) {
if (this._start()) {
this._spin((steps || 1) * -this.options.step);
this._stop();
}
},
pageUp: modifier(function (pages) {
this._stepUp((pages || 1) * this.options.page);
}),
pageDown: modifier(function (pages) {
this._stepDown((pages || 1) * this.options.page);
}),
value: function (newVal) {
if (!arguments.length) {
return this._parse(this.element.val());
}
modifier(this._value).call(this, newVal);
},
widget: function () {
return this.uiSpinner;
}
});
}(jQuery) );
