ref: master
public/javascripts/vendor/jquery-ui-1.10.4/development-bundle/ui/jquery.ui.spinner.js
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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: "<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 ); // 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 "<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 ) ); |