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Commit Description:
add model solution
Commit Description:
add model solution
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node_modules/jquery/src/effects/Tween.js
| 125 lines
| 3.2 KiB
| application/javascript
| JavascriptLexer
|
r789 | define( [ | |||
"../core", | ||||
"../css/finalPropName", | ||||
"../css" | ||||
], function( jQuery, finalPropName ) { | ||||
"use strict"; | ||||
function Tween( elem, options, prop, end, easing ) { | ||||
return new Tween.prototype.init( elem, options, prop, end, easing ); | ||||
} | ||||
jQuery.Tween = Tween; | ||||
Tween.prototype = { | ||||
constructor: Tween, | ||||
init: function( elem, options, prop, end, easing, unit ) { | ||||
this.elem = elem; | ||||
this.prop = prop; | ||||
this.easing = easing || jQuery.easing._default; | ||||
this.options = options; | ||||
this.start = this.now = this.cur(); | ||||
this.end = end; | ||||
this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); | ||||
}, | ||||
cur: function() { | ||||
var hooks = Tween.propHooks[ this.prop ]; | ||||
return hooks && hooks.get ? | ||||
hooks.get( this ) : | ||||
Tween.propHooks._default.get( this ); | ||||
}, | ||||
run: function( percent ) { | ||||
var eased, | ||||
hooks = Tween.propHooks[ this.prop ]; | ||||
if ( this.options.duration ) { | ||||
this.pos = eased = jQuery.easing[ this.easing ]( | ||||
percent, this.options.duration * percent, 0, 1, this.options.duration | ||||
); | ||||
} else { | ||||
this.pos = eased = percent; | ||||
} | ||||
this.now = ( this.end - this.start ) * eased + this.start; | ||||
if ( this.options.step ) { | ||||
this.options.step.call( this.elem, this.now, this ); | ||||
} | ||||
if ( hooks && hooks.set ) { | ||||
hooks.set( this ); | ||||
} else { | ||||
Tween.propHooks._default.set( this ); | ||||
} | ||||
return this; | ||||
} | ||||
}; | ||||
Tween.prototype.init.prototype = Tween.prototype; | ||||
Tween.propHooks = { | ||||
_default: { | ||||
get: function( tween ) { | ||||
var result; | ||||
// Use a property on the element directly when it is not a DOM element, | ||||
// or when there is no matching style property that exists. | ||||
if ( tween.elem.nodeType !== 1 || | ||||
tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { | ||||
return tween.elem[ tween.prop ]; | ||||
} | ||||
// Passing an empty string as a 3rd parameter to .css will automatically | ||||
// attempt a parseFloat and fallback to a string if the parse fails. | ||||
// Simple values such as "10px" are parsed to Float; | ||||
// complex values such as "rotate(1rad)" are returned as-is. | ||||
result = jQuery.css( tween.elem, tween.prop, "" ); | ||||
// Empty strings, null, undefined and "auto" are converted to 0. | ||||
return !result || result === "auto" ? 0 : result; | ||||
}, | ||||
set: function( tween ) { | ||||
// Use step hook for back compat. | ||||
// Use cssHook if its there. | ||||
// Use .style if available and use plain properties where available. | ||||
if ( jQuery.fx.step[ tween.prop ] ) { | ||||
jQuery.fx.step[ tween.prop ]( tween ); | ||||
} else if ( tween.elem.nodeType === 1 && ( | ||||
jQuery.cssHooks[ tween.prop ] || | ||||
tween.elem.style[ finalPropName( tween.prop ) ] != null ) ) { | ||||
jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); | ||||
} else { | ||||
tween.elem[ tween.prop ] = tween.now; | ||||
} | ||||
} | ||||
} | ||||
}; | ||||
// Support: IE <=9 only | ||||
// Panic based approach to setting things on disconnected nodes | ||||
Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { | ||||
set: function( tween ) { | ||||
if ( tween.elem.nodeType && tween.elem.parentNode ) { | ||||
tween.elem[ tween.prop ] = tween.now; | ||||
} | ||||
} | ||||
}; | ||||
jQuery.easing = { | ||||
linear: function( p ) { | ||||
return p; | ||||
}, | ||||
swing: function( p ) { | ||||
return 0.5 - Math.cos( p * Math.PI ) / 2; | ||||
}, | ||||
_default: "swing" | ||||
}; | ||||
jQuery.fx = Tween.prototype.init; | ||||
// Back compat <1.8 extension point | ||||
jQuery.fx.step = {}; | ||||
} ); | ||||