/*!
* jQuery UI Spinner 1.10.0
* http://jqueryui.com
*
* Copyright 2013 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: "1.10.0",
defaultElement: "<input>",
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 );
// 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._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 "<span class='ui-spinner ui-widget ui-widget-content ui-corner-all'></span>";
},
_buttonHtml: function() {
return "" +
"<a class='ui-spinner-button ui-spinner-up ui-corner-tr'>" +
"<span class='ui-icon " + this.options.icons.up + "'>▲</span>" +
"</a>" +
"<a class='ui-spinner-button ui-spinner-down ui-corner-br'>" +
"<span class='ui-icon " + this.options.icons.down + "'>▼</span>" +
"</a>";
},
_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 ) );
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