corrade-http-templates – Rev 42

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/*!
 * jQuery UI Spinner 1.12.1
 * http://jqueryui.com
 *
 * Copyright jQuery Foundation and other contributors
 * Released under the MIT license.
 * http://jquery.org/license
 */

//>>label: Spinner
//>>group: Widgets
//>>description: Displays buttons to easily input numbers via the keyboard or mouse.
//>>docs: http://api.jqueryui.com/spinner/
//>>demos: http://jqueryui.com/spinner/
//>>css.structure: ../../themes/base/core.css
//>>css.structure: ../../themes/base/spinner.css
//>>css.theme: ../../themes/base/theme.css

( function( factory ) {
        if ( typeof define === "function" && define.amd ) {

                // AMD. Register as an anonymous module.
                define( [
                        "jquery",
                        "./button",
                        "../version",
                        "../keycode",
                        "../safe-active-element",
                        "../widget"
                ], factory );
        } else {

                // Browser globals
                factory( jQuery );
        }
}( function( $ ) {

function spinnerModifer( 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: "1.12.1",
        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 ) {
                        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 ] === $.ui.safeActiveElement( this.document[ 0 ] ) ?
                                this.previous : this.element.val();
                        function checkFocus() {
                                var isActive = this.element[ 0 ] === $.ui.safeActiveElement( this.document[ 0 ] );
                                if ( !isActive ) {
                                        this.element.trigger( "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"
        },

        // 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 $.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 ) {
                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: spinnerModifer( 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: spinnerModifer( function( steps ) {
                this._stepUp( steps );
        } ),
        _stepUp: function( steps ) {
                if ( this._start() ) {
                        this._spin( ( steps || 1 ) * this.options.step );
                        this._stop();
                }
        },

        stepDown: spinnerModifer( function( steps ) {
                this._stepDown( steps );
        } ),
        _stepDown: function( steps ) {
                if ( this._start() ) {
                        this._spin( ( steps || 1 ) * -this.options.step );
                        this._stop();
                }
        },

        pageUp: spinnerModifer( function( pages ) {
                this._stepUp( ( pages || 1 ) * this.options.page );
        } ),

        pageDown: spinnerModifer( function( pages ) {
                this._stepDown( ( pages || 1 ) * this.options.page );
        } ),

        value: function( newVal ) {
                if ( !arguments.length ) {
                        return this._parse( this.element.val() );
                }
                spinnerModifer( 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 !== false ) {

        // 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;

} ) );