JezK

Edit File: spinner.js

/*! * jQuery UI Spinner 1.14.2 * https://jqueryui.com * * Copyright OpenJS Foundation and other contributors * Released under the MIT license. * https://jquery.org/license */ //>>label: Spinner //>>group: Widgets //>>description: Displays buttons to easily input numbers via the keyboard or mouse. //>>docs: https://api.jqueryui.com/spinner/ //>>demos: https://jqueryui.com/spinner/ //>>css.structure: ../../themes/base/core.css //>>css.structure: ../../themes/base/spinner.css //>>css.theme: ../../themes/base/theme.css ( function( factory ) { "use strict"; if ( typeof define === "function" && define.amd ) { // AMD. Register as an anonymous module. define( [ "jquery", "./button", "../version", "../keycode", "../widget" ], factory ); } else { // Browser globals factory( jQuery ); } } )( function( $ ) { "use strict"; function spinnerModifier( 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: "1.14.2", defaultElement: "<input>", widgetEventPrefix: "spin", options: { classes: { "ui-spinner": "ui-corner-all", "ui-spinner-down": "ui-corner-br", "ui-spinner-up": "ui-corner-tr" }, 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 = this._super(); var element = this.element; $.each( [ "min", "max", "step" ], function( i, option ) { var value = element.attr( option ); if ( value != null && 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 ) { this._stop(); this._refresh(); if ( this.previous !== this.element.val() ) { this._trigger( "change", event ); } }, wheel: function( event ) { var activeElement = this.document[ 0 ].activeElement; var isActive = this.element[ 0 ] === activeElement; var delta = event.deltaY || event.originalEvent && event.originalEvent.deltaY; if ( !isActive || !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(); }, // DEPRECATED // Kept for backwards compatibility. Please use the modern `wheel` // event. The `delta` parameter is provided by the jQuery Mousewheel // plugin if one is loaded. mousewheel: function( event, delta ) { if ( !event.isTrigger ) { // If this is not a trigger call, the `wheel` handler will // fire as well, let's not duplicate it. return; } var wheelEvent = $.Event( event ); wheelEvent.type = "wheel"; if ( delta ) { wheelEvent.deltaY = -delta; } return this._events.wheel.call( this, wheelEvent ); }, "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.trigger( "focus" ); this.previous = previous; } } // Ensure focus is on (or stays on) the text field event.preventDefault(); 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" }, // Support mobile enhanced option and make backcompat more sane _enhance: function() { this.uiSpinner = this.element .attr( "autocomplete", "off" ) .wrap( "<span>" ) .parent() // Add buttons .append( "<a></a><a></a>" ); }, _draw: function() { this._enhance(); this._addClass( this.uiSpinner, "ui-spinner", "ui-widget ui-widget-content" ); this._addClass( "ui-spinner-input" ); this.element.attr( "role", "spinbutton" ); // Button bindings this.buttons = this.uiSpinner.children( "a" ) .attr( "tabIndex", -1 ) .attr( "aria-hidden", true ) .button( { classes: { "ui-button": "" } } ); // TODO: Right now button does not support classes this is already updated in button PR this._removeClass( this.buttons, "ui-corner-all" ); this._addClass( this.buttons.first(), "ui-spinner-button ui-spinner-up" ); this._addClass( this.buttons.last(), "ui-spinner-button ui-spinner-down" ); this.buttons.first().button( { "icon": this.options.icons.up, "showLabel": false } ); this.buttons.last().button( { "icon": this.options.icons.down, "showLabel": false } ); // IE 6 doesn't understand height: 50% for the buttons // unless the wrapper has an explicit height if ( this.buttons.height() > Math.ceil( this.uiSpinner.height() * 0.5 ) && this.uiSpinner.height() > 0 ) { this.uiSpinner.height( this.uiSpinner.height() ); } }, _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; }, _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 typeof incremental === "function" ? 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 ) { var prevValue, first, last; if ( key === "culture" || key === "numberFormat" ) { 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" ) { first = this.buttons.first().find( ".ui-icon" ); this._removeClass( first, null, this.options.icons.up ); this._addClass( first, null, value.up ); last = this.buttons.last().find( ".ui-icon" ); this._removeClass( last, null, this.options.icons.down ); this._addClass( last, null, value.down ); } this._super( key, value ); }, _setOptionDisabled: function( value ) { this._super( value ); this._toggleClass( this.uiSpinner, null, "ui-state-disabled", !!value ); this.element.prop( "disabled", !!value ); this.buttons.button( value ? "disable" : "enable" ); }, _setOptions: spinnerModifier( function( options ) { this._super( options ); } ), _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() ) } ); }, isValid: function() { var value = this.value(); // Null is invalid if ( value === null ) { return false; } // If value gets adjusted, it's invalid return value === this._adjustValue( value ); }, // 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 .prop( "disabled", false ) .removeAttr( "autocomplete role aria-valuemin aria-valuemax aria-valuenow" ); this.uiSpinner.replaceWith( this.element ); }, stepUp: spinnerModifier( function( steps ) { this._stepUp( steps ); } ), _stepUp: function( steps ) { if ( this._start() ) { this._spin( ( steps || 1 ) * this.options.step ); this._stop(); } }, stepDown: spinnerModifier( function( steps ) { this._stepDown( steps ); } ), _stepDown: function( steps ) { if ( this._start() ) { this._spin( ( steps || 1 ) * -this.options.step ); this._stop(); } }, pageUp: spinnerModifier( function( pages ) { this._stepUp( ( pages || 1 ) * this.options.page ); } ), pageDown: spinnerModifier( function( pages ) { this._stepDown( ( pages || 1 ) * this.options.page ); } ), value: function( newVal ) { if ( !arguments.length ) { return this._parse( this.element.val() ); } spinnerModifier( this._value ).call( this, newVal ); }, widget: function() { return this.uiSpinner; } } ); // DEPRECATED // TODO: switch return back to widget declaration at top of file when this is removed if ( $.uiBackCompat === true ) { // Backcompat for spinner html extension points $.widget( "ui.spinner", $.ui.spinner, { _enhance: function() { this.uiSpinner = this.element .attr( "autocomplete", "off" ) .wrap( this._uiSpinnerHtml() ) .parent() // Add buttons .append( this._buttonHtml() ); }, _uiSpinnerHtml: function() { return "<span>"; }, _buttonHtml: function() { return "<a></a><a></a>"; } } ); } return $.ui.spinner; } );
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