--- /dev/null
+/*!
+ * jQuery UI Spinner 1.9.2
+ * http://jqueryui.com
+ *
+ * Copyright 2012 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: "1.9.2",
+ 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 );
+ }
+ }
+
+ 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 ) {
+ this._spin( (steps || 1) * this.options.step );
+ },
+
+ stepDown: modifier(function( steps ) {
+ this._stepDown( steps );
+ }),
+ _stepDown: function( steps ) {
+ this._spin( (steps || 1) * -this.options.step );
+ },
+
+ 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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