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[moodle.git] / lib / yuilib / 3.13.0 / slider-value-range / slider-value-range-coverage.js

/*
YUI 3.13.0 (build 508226d)
Copyright 2013 Yahoo! Inc. All rights reserved.
Licensed under the BSD License.
http://yuilibrary.com/license/
*/

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() { YUI.add('slider-value-range', function (Y, NAME) {","","/**"," * Adds value support for Slider as a range of integers between a configured"," * minimum and maximum value.  For use with <code>Y.Base.build(..)</code> to"," * add the plumbing to <code>Y.SliderBase</code>."," *"," * @module slider"," * @submodule slider-value-range"," */","","// Constants for compression or performance","var MIN       = 'min',","    MAX       = 'max',","    VALUE     = 'value',","//     MINORSTEP = 'minorStep',","//     MAJORSTEP = 'majorStep',","","    round = Math.round;","","/**"," * One class of value algorithm that can be built onto SliderBase.  By default,"," * values range between 0 and 100, but you can configure these on the"," * built Slider class by setting the <code>min</code> and <code>max</code>"," * configurations.  Set the initial value (will cause the thumb to move to the"," * appropriate location on the rail) in configuration as well if appropriate."," *"," * @class SliderValueRange"," */","function SliderValueRange() {","    this._initSliderValueRange();","}","","Y.SliderValueRange = Y.mix( SliderValueRange, {","","    // Prototype properties and methods that will be added onto host class","    prototype: {","","        /**","         * Factor used to translate value -&gt; position -&gt; value.","         *","         * @property _factor","         * @type {Number}","         * @protected","         */","        _factor: 1,","","        /**","         * Stub for construction logic.  Override if extending this class and","         * you need to set something up during the initializer phase.","         *","         * @method _initSliderValueRange","         * @protected","         */","        _initSliderValueRange: function () {},","","        /**","         * Override of stub method in SliderBase that is called at the end of","         * its bindUI stage of render().  Subscribes to internal events to","         * trigger UI and related state updates.","         *","         * @method _bindValueLogic","         * @protected","         */","        _bindValueLogic: function () {","            this.after( {","                minChange  : this._afterMinChange,","                maxChange  : this._afterMaxChange,","                valueChange: this._afterValueChange","            } );","        },","","        /**","         * Move the thumb to appropriate position if necessary.  Also resets","         * the cached offsets and recalculates the conversion factor to","         * translate position to value.","         *","         * @method _syncThumbPosition","         * @protected","         */","        _syncThumbPosition: function () {","            this._calculateFactor();","","            this._setPosition( this.get( VALUE ) );","        },","","        /**","         * Calculates and caches","         * (range between max and min) / (rail length)","         * for fast runtime calculation of position -&gt; value.","         *","         * @method _calculateFactor","         * @protected","         */","        _calculateFactor: function () {","            var length    = this.get( 'length' ),","                thumbSize = this.thumb.getStyle( this._key.dim ),","                min       = this.get( MIN ),","                max       = this.get( MAX );","","            // The default thumb width is based on Sam skin's thumb dimension.","            // This attempts to allow for rendering off-DOM, then attaching","            // without the need to call syncUI().  It is still recommended","            // to call syncUI() in these cases though, just to be sure.","            length = parseFloat( length ) || 150;","            thumbSize = parseFloat( thumbSize ) || 15;","","            this._factor = ( max - min ) / ( length - thumbSize );","","        },","","        /**","         * Dispatch the new position of the thumb into the value setting","         * operations.","         *","         * @method _defThumbMoveFn","         * @param e { EventFacade } The host's thumbMove event","         * @protected","         */","        _defThumbMoveFn: function ( e ) {","            // To prevent set('value', x) from looping back around","            if (e.source !== 'set') {","                this.set(VALUE, this._offsetToValue(e.offset));","            }","        },","","        /**","         * <p>Converts a pixel position into a value.  Calculates current","         * thumb offset from the leading edge of the rail multiplied by the","         * ratio of <code>(max - min) / (constraining dim)</code>.</p>","         *","         * <p>Override this if you want to use a different value mapping","         * algorithm.</p>","         *","         * @method _offsetToValue","         * @param offset { Number } X or Y pixel offset","         * @return { mixed } Value corresponding to the provided pixel offset","         * @protected","         */","        _offsetToValue: function ( offset ) {","","            var value = round( offset * this._factor ) + this.get( MIN );","","            return round( this._nearestValue( value ) );","        },","","        /**","         * Converts a value into a pixel offset for use in positioning","         * the thumb according to the reverse of the","         * <code>_offsetToValue( xy )</code> operation.","         *","         * @method _valueToOffset","         * @param val { Number } The value to map to pixel X or Y position","         * @return { Number } The pixel offset","         * @protected","         */","        _valueToOffset: function ( value ) {","            var offset = round( ( value - this.get( MIN ) ) / this._factor );","","            return offset;","        },","","        /**","         * Returns the current value.  Override this if you want to introduce","         * output formatting. Otherwise equivalent to slider.get( \"value\" );","         *","         * @method getValue","         * @return {Number}","         */","        getValue: function () {","            return this.get( VALUE );","        },","","        /**","         * Updates the current value.  Override this if you want to introduce","         * input value parsing or preprocessing.  Otherwise equivalent to","         * slider.set( \"value\", v );","         *","         * @method setValue","         * @param val {Number} The new value","         * @return {Slider}","         * @chainable","         */","        setValue: function ( val ) {","            return this.set( VALUE, val );","        },","","        /**","         * Update position according to new min value.  If the new min results","         * in the current value being out of range, the value is set to the","         * closer of min or max.","         *","         * @method _afterMinChange","         * @param e { EventFacade } The <code>min</code> attribute change event.","         * @protected","         */","        _afterMinChange: function ( e ) {","            this._verifyValue();","","            this._syncThumbPosition();","        },","","        /**","         * Update position according to new max value.  If the new max results","         * in the current value being out of range, the value is set to the","         * closer of min or max.","         *","         * @method _afterMaxChange","         * @param e { EventFacade } The <code>max</code> attribute change event.","         * @protected","         */","        _afterMaxChange: function ( e ) {","            this._verifyValue();","","            this._syncThumbPosition();","        },","","        /**","         * Verifies that the current value is within the min - max range.  If","         * not, value is set to either min or max, depending on which is","         * closer.","         *","         * @method _verifyValue","         * @protected","         */","        _verifyValue: function () {","            var value   = this.get( VALUE ),","                nearest = this._nearestValue( value );","","            if ( value !== nearest ) {","                // @TODO Can/should valueChange, minChange, etc be queued","                // events? To make dd.set( 'min', n ); execute after minChange","                // subscribers before on/after valueChange subscribers.","                this.set( VALUE, nearest );","            }","        },","","        /**","         * Propagate change to the thumb position unless the change originated","         * from the thumbMove event.","         *","         * @method _afterValueChange","         * @param e { EventFacade } The <code>valueChange</code> event.","         * @protected","         */","        _afterValueChange: function ( e ) {","            var val = e.newVal;","            this._setPosition( val, { source: 'set' } );","        },","","        /**","         * Positions the thumb and its ARIA attributes in accordance with the","         * translated value.","         *","         * @method _setPosition","         * @param value {Number} Value to translate to a pixel position","         * @param [options] {Object} Details object to pass to `_uiMoveThumb`","         * @protected","         */","        _setPosition: function ( value, options ) {","            this._uiMoveThumb( this._valueToOffset( value ), options );","            this.thumb.set('aria-valuenow', value);","            this.thumb.set('aria-valuetext', value);","        },","","        /**","         * Validates new values assigned to <code>min</code> attribute.  Numbers","         * are acceptable.  Override this to enforce different rules.","         *","         * @method _validateNewMin","         * @param value {Any} Value assigned to <code>min</code> attribute.","         * @return {Boolean} True for numbers.  False otherwise.","         * @protected","         */","        _validateNewMin: function ( value ) {","            return Y.Lang.isNumber( value );","        },","","        /**","         * Validates new values assigned to <code>max</code> attribute.  Numbers","         * are acceptable.  Override this to enforce different rules.","         *","         * @method _validateNewMax","         * @param value { mixed } Value assigned to <code>max</code> attribute.","         * @return { Boolean } True for numbers.  False otherwise.","         * @protected","         */","        _validateNewMax: function ( value ) {","            return Y.Lang.isNumber( value );","        },","","        /**","         * Restricts new values assigned to <code>value</code> attribute to be","         * between the configured <code>min</code> and <code>max</code>.","         * Rounds to nearest integer value.","         *","         * @method _setNewValue","         * @param value { Number } Value assigned to <code>value</code> attribute","         * @return { Number } Normalized and constrained value","         * @protected","         */","        _setNewValue: function ( value ) {","            return round( this._nearestValue( value ) );","        },","","        /**","         * Returns the nearest valid value to the value input.  If the provided","         * value is outside the min - max range, accounting for min > max","         * scenarios, the nearest of either min or max is returned.  Otherwise,","         * the provided value is returned.","         *","         * @method _nearestValue","         * @param value { mixed } Value to test against current min - max range","         * @return { Number } Current min, max, or value if within range","         * @protected","         */","        _nearestValue: function ( value ) {","            var min = this.get( MIN ),","                max = this.get( MAX ),","                tmp;","","            // Account for reverse value range (min > max)","            tmp = ( max > min ) ? max : min;","            min = ( max > min ) ? min : max;","            max = tmp;","","            return ( value < min ) ?","                    min :","                    ( value > max ) ?","                        max :","                        value;","        }","","    },","","    /**","     * Attributes that will be added onto host class.","     *","     * @property ATTRS","     * @type {Object}","     * @static","     * @protected","     */","    ATTRS: {","        /**","         * The value associated with the farthest top, left position of the","         * rail.  Can be greater than the configured <code>max</code> if you","         * want values to increase from right-to-left or bottom-to-top.","         *","         * @attribute min","         * @type { Number }","         * @default 0","         */","        min: {","            value    : 0,","            validator: '_validateNewMin'","        },","","        /**","         * The value associated with the farthest bottom, right position of","         * the rail.  Can be less than the configured <code>min</code> if","         * you want values to increase from right-to-left or bottom-to-top.","         *","         * @attribute max","         * @type { Number }","         * @default 100","         */","        max: {","            value    : 100,","            validator: '_validateNewMax'","        },","","        /**","         * amount to increment/decrement the Slider value","         * when the arrow up/down/left/right keys are pressed","         *","         * @attribute minorStep","         * @type {Number}","         * @default 1","         */","        minorStep : {","            value: 1","        },","","        /**","         * amount to increment/decrement the Slider value","         * when the page up/down keys are pressed","         *","         * @attribute majorStep","         * @type {Number}","         * @default 10","         */","        majorStep : {","            value: 10","        },","","        /**","         * The value associated with the thumb's current position on the","         * rail. Defaults to the value inferred from the thumb's current","         * position. Specifying value in the constructor will move the","         * thumb to the position that corresponds to the supplied value.","         *","         * @attribute value","         * @type { Number }","         * @default (inferred from current thumb position)","         */","        value: {","            value : 0,","            setter: '_setNewValue'","        }","    }","}, true );","","","}, '3.13.0', {\"requires\": [\"slider-base\"]});","","}());"]};
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SliderValueRange(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['2']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['4']++;this._initSliderValueRange();}__cov_hPjVhmdw4NNLE4IFeTii3A.s['5']++;Y.SliderValueRange=Y.mix(SliderValueRange,{prototype:{_factor:1,_initSliderValueRange:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['3']++;},_bindValueLogic:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['4']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['6']++;this.after({minChange:this._afterMinChange,maxChange:this._afterMaxChange,valueChange:this._afterValueChange});},_syncThumbPosition:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['5']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['7']++;this._calculateFactor();__cov_hPjVhmdw4NNLE4IFeTii3A.s['8']++;this._setPosition(this.get(VALUE));},_calculateFactor:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['6']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['9']++;var length=this.get('length'),thumbSize=this.thumb.getStyle(this._key.dim),min=this.get(MIN),max=this.get(MAX);__cov_hPjVhmdw4NNLE4IFeTii3A.s['10']++;length=(__cov_hPjVhmdw4NNLE4IFeTii3A.b['1'][0]++,parseFloat(length))||(__cov_hPjVhmdw4NNLE4IFeTii3A.b['1'][1]++,150);__cov_hPjVhmdw4NNLE4IFeTii3A.s['11']++;thumbSize=(__cov_hPjVhmdw4NNLE4IFeTii3A.b['2'][0]++,parseFloat(thumbSize))||(__cov_hPjVhmdw4NNLE4IFeTii3A.b['2'][1]++,15);__cov_hPjVhmdw4NNLE4IFeTii3A.s['12']++;this._factor=(max-min)/(length-thumbSize);},_defThumbMoveFn:function(e){__cov_hPjVhmdw4NNLE4IFeTii3A.f['7']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['13']++;if(e.source!=='set'){__cov_hPjVhmdw4NNLE4IFeTii3A.b['3'][0]++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['14']++;this.set(VALUE,this._offsetToValue(e.offset));}else{__cov_hPjVhmdw4NNLE4IFeTii3A.b['3'][1]++;}},_offsetToValue:function(offset){__cov_hPjVhmdw4NNLE4IFeTii3A.f['8']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['15']++;var value=round(offset*this._factor)+this.get(MIN);__cov_hPjVhmdw4NNLE4IFeTii3A.s['16']++;return round(this._nearestValue(value));},_valueToOffset:function(value){__cov_hPjVhmdw4NNLE4IFeTii3A.f['9']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['17']++;var offset=round((value-this.get(MIN))/this._factor);__cov_hPjVhmdw4NNLE4IFeTii3A.s['18']++;return offset;},getValue:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['10']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['19']++;return this.get(VALUE);},setValue:function(val){__cov_hPjVhmdw4NNLE4IFeTii3A.f['11']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['20']++;return this.set(VALUE,val);},_afterMinChange:function(e){__cov_hPjVhmdw4NNLE4IFeTii3A.f['12']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['21']++;this._verifyValue();__cov_hPjVhmdw4NNLE4IFeTii3A.s['22']++;this._syncThumbPosition();},_afterMaxChange:function(e){__cov_hPjVhmdw4NNLE4IFeTii3A.f['13']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['23']++;this._verifyValue();__cov_hPjVhmdw4NNLE4IFeTii3A.s['24']++;this._syncThumbPosition();},_verifyValue:function(){__cov_hPjVhmdw4NNLE4IFeTii3A.f['14']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['25']++;var value=this.get(VALUE),nearest=this._nearestValue(value);__cov_hPjVhmdw4NNLE4IFeTii3A.s['26']++;if(value!==nearest){__cov_hPjVhmdw4NNLE4IFeTii3A.b['4'][0]++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['27']++;this.set(VALUE,nearest);}else{__cov_hPjVhmdw4NNLE4IFeTii3A.b['4'][1]++;}},_afterValueChange:function(e){__cov_hPjVhmdw4NNLE4IFeTii3A.f['15']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['28']++;var val=e.newVal;__cov_hPjVhmdw4NNLE4IFeTii3A.s['29']++;this._setPosition(val,{source:'set'});},_setPosition:function(value,options){__cov_hPjVhmdw4NNLE4IFeTii3A.f['16']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['30']++;this._uiMoveThumb(this._valueToOffset(value),options);__cov_hPjVhmdw4NNLE4IFeTii3A.s['31']++;this.thumb.set('aria-valuenow',value);__cov_hPjVhmdw4NNLE4IFeTii3A.s['32']++;this.thumb.set('aria-valuetext',value);},_validateNewMin:function(value){__cov_hPjVhmdw4NNLE4IFeTii3A.f['17']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['33']++;return Y.Lang.isNumber(value);},_validateNewMax:function(value){__cov_hPjVhmdw4NNLE4IFeTii3A.f['18']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['34']++;return Y.Lang.isNumber(value);},_setNewValue:function(value){__cov_hPjVhmdw4NNLE4IFeTii3A.f['19']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['35']++;return round(this._nearestValue(value));},_nearestValue:function(value){__cov_hPjVhmdw4NNLE4IFeTii3A.f['20']++;__cov_hPjVhmdw4NNLE4IFeTii3A.s['36']++;var min=this.get(MIN),max=this.get(MAX),tmp;__cov_hPjVhmdw4NNLE4IFeTii3A.s['37']++;tmp=max>min?(__cov_hPjVhmdw4NNLE4IFeTii3A.b['5'][0]++,max):(__cov_hPjVhmdw4NNLE4IFeTii3A.b['5'][1]++,min);__cov_hPjVhmdw4NNLE4IFeTii3A.s['38']++;min=max>min?(__cov_hPjVhmdw4NNLE4IFeTii3A.b['6'][0]++,min):(__cov_hPjVhmdw4NNLE4IFeTii3A.b['6'][1]++,max);__cov_hPjVhmdw4NNLE4IFeTii3A.s['39']++;max=tmp;__cov_hPjVhmdw4NNLE4IFeTii3A.s['40']++;return value<min?(__cov_hPjVhmdw4NNLE4IFeTii3A.b['7'][0]++,min):(__cov_hPjVhmdw4NNLE4IFeTii3A.b['7'][1]++,value>max?(__cov_hPjVhmdw4NNLE4IFeTii3A.b['8'][0]++,max):(__cov_hPjVhmdw4NNLE4IFeTii3A.b['8'][1]++,value));}},ATTRS:{min:{value:0,validator:'_validateNewMin'},max:{value:100,validator:'_validateNewMax'},minorStep:{value:1},majorStep:{value:10},value:{value:0,setter:'_setNewValue'}}},true);},'3.13.0',{'requires':['slider-base']});