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-/*! |
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- * meny 1.4 |
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- * http://lab.hakim.se/meny |
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- * MIT licensed |
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- * |
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- * Created by Hakim El Hattab (http://hakim.se, @hakimel) |
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- */ |
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- |
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-(function( root, factory ) { |
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- if( typeof define === 'function' && define.amd ) { |
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- // AMD module |
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- define( factory ); |
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- } else { |
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- // Browser global |
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- root.Meny = factory(); |
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- } |
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-}(this, function () { |
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- |
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-// Date.now polyfill |
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-if( typeof Date.now !== 'function' ) Date.now = function() { return new Date().getTime(); }; |
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- |
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-var Meny = { |
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- |
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- // Creates a new instance of Meny |
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- create: function( options ) { |
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- return (function(){ |
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- |
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- // Make sure the required arguments are defined |
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- if( !options || !options.menuElement || !options.contentsElement ) { |
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- throw 'You need to specify which menu and contents elements to use.'; |
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- } |
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- |
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- // Make sure the menu and contents have the same parent |
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- if( options.menuElement.parentNode !== options.contentsElement.parentNode ) { |
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- throw 'The menu and contents elements must have the same parent.'; |
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- } |
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- |
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- // Constants |
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- var POSITION_T = 'top', |
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- POSITION_R = 'right', |
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- POSITION_B = 'bottom', |
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- POSITION_L = 'left'; |
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- |
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- // Feature detection for 3D transforms |
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- var supports3DTransforms = 'WebkitPerspective' in document.body.style || |
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- 'MozPerspective' in document.body.style || |
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- 'msPerspective' in document.body.style || |
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- 'OPerspective' in document.body.style || |
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- 'perspective' in document.body.style; |
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- |
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- // Default options, gets extended by passed in arguments |
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- var config = { |
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- width: 300, |
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- height: 300, |
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- position: POSITION_L, |
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- threshold: 40, |
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- angle: 30, |
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- overlap: 6, |
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- transitionDuration: '0.5s', |
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- transitionEasing: 'ease', |
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- gradient: 'rgba(0,0,0,0.20) 0%, rgba(0,0,0,0.65) 100%)', |
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- mouse: true, |
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- touch: true |
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- }; |
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- |
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- // Cache references to DOM elements |
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- var dom = { |
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- menu: options.menuElement, |
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- contents: options.contentsElement, |
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- wrapper: options.menuElement.parentNode, |
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- cover: null |
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- }; |
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- |
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- // State and input |
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- var indentX = dom.wrapper.offsetLeft, |
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- indentY = dom.wrapper.offsetTop, |
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- touchStartX = null, |
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- touchStartY = null, |
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- touchMoveX = null, |
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- touchMoveY = null, |
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- isOpen = false, |
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- isMouseDown = false; |
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- |
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- // Precalculated transform and style states |
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- var menuTransformOrigin, |
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- menuTransformClosed, |
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- menuTransformOpened, |
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- menuStyleClosed, |
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- menuStyleOpened, |
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- |
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- contentsTransformOrigin, |
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- contentsTransformClosed, |
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- contentsTransformOpened, |
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- contentsStyleClosed, |
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- contentsStyleOpened; |
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- |
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- var originalStyles = {}, |
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- addedEventListeners = []; |
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- |
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- // Ongoing animations (for fallback mode) |
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- var menuAnimation, |
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- contentsAnimation, |
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- coverAnimation; |
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- |
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- configure( options ); |
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- |
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- /** |
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- * Initializes Meny with the specified user options, |
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- * may be called multiple times as configuration changes. |
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- */ |
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- function configure( o ) { |
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- // Extend the default config object with the passed in |
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- // options |
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- Meny.extend( config, o ); |
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- |
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- setupPositions(); |
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- setupWrapper(); |
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- setupCover(); |
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- setupMenu(); |
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- setupContents(); |
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- |
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- bindEvents(); |
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- } |
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- |
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- /** |
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- * Prepares the transforms for the current positioning |
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- * settings. |
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- */ |
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- function setupPositions() { |
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- menuTransformOpened = ''; |
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- contentsTransformClosed = ''; |
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- menuAngle = config.angle; |
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- contentsAngle = config.angle / -2; |
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- |
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- switch( config.position ) { |
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- case POSITION_T: |
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- // Primary transform: |
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- menuTransformOrigin = '50% 0%'; |
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- menuTransformClosed = 'rotateX( ' + menuAngle + 'deg ) translateY( -100% ) translateY( '+ config.overlap +'px )'; |
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- contentsTransformOrigin = '50% 0'; |
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- contentsTransformOpened = 'translateY( '+ config.height +'px ) rotateX( ' + contentsAngle + 'deg )'; |
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- |
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- // Position fallback: |
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- menuStyleClosed = { top: '-' + (config.height-config.overlap) + 'px' }; |
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- menuStyleOpened = { top: '0px' }; |
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- contentsStyleClosed = { top: '0px' }; |
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- contentsStyleOpened = { top: config.height + 'px' }; |
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- break; |
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- |
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- case POSITION_R: |
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- // Primary transform: |
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- menuTransformOrigin = '100% 50%'; |
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- menuTransformClosed = 'rotateY( ' + menuAngle + 'deg ) translateX( 100% ) translateX( -2px ) scale( 1.01 )'; |
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- contentsTransformOrigin = '100% 50%'; |
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- contentsTransformOpened = 'translateX( -'+ config.width +'px ) rotateY( ' + contentsAngle + 'deg )'; |
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- |
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- // Position fallback: |
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- menuStyleClosed = { right: '-' + (config.width-config.overlap) + 'px' }; |
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- menuStyleOpened = { right: '0px' }; |
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- contentsStyleClosed = { left: '0px' }; |
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- contentsStyleOpened = { left: '-' + config.width + 'px' }; |
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- break; |
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- |
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- case POSITION_B: |
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- // Primary transform: |
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- menuTransformOrigin = '50% 100%'; |
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- menuTransformClosed = 'rotateX( ' + -menuAngle + 'deg ) translateY( 100% ) translateY( -'+ config.overlap +'px )'; |
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- contentsTransformOrigin = '50% 100%'; |
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- contentsTransformOpened = 'translateY( -'+ config.height +'px ) rotateX( ' + -contentsAngle + 'deg )'; |
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- |
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- // Position fallback: |
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- menuStyleClosed = { bottom: '-' + (config.height-config.overlap) + 'px' }; |
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- menuStyleOpened = { bottom: '0px' }; |
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- contentsStyleClosed = { top: '0px' }; |
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- contentsStyleOpened = { top: '-' + config.height + 'px' }; |
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- break; |
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- |
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- default: |
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- // Primary transform: |
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- menuTransformOrigin = '100% 50%'; |
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- menuTransformClosed = 'translateX( -100% ) translateX( '+ config.overlap +'px ) scale( 1.01 ) rotateY( ' + -menuAngle + 'deg )'; |
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- contentsTransformOrigin = '0 50%'; |
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- contentsTransformOpened = 'translateX( '+ config.width +'px ) rotateY( ' + -contentsAngle + 'deg )'; |
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- |
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- // Position fallback: |
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- menuStyleClosed = { left: '-' + (config.width-config.overlap) + 'px' }; |
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- menuStyleOpened = { left: '0px' }; |
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- contentsStyleClosed = { left: '0px' }; |
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- contentsStyleOpened = { left: config.width + 'px' }; |
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- break; |
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- } |
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- } |
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- |
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- /** |
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- * The wrapper element holds the menu and contents. |
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- */ |
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- function setupWrapper() { |
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- // Add a class to allow for custom styles based on |
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- // position |
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- Meny.addClass( dom.wrapper, 'meny-' + config.position ); |
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- |
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- originalStyles.wrapper = dom.wrapper.style.cssText; |
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- |
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- dom.wrapper.style[ Meny.prefix( 'perspective' ) ] = '800px'; |
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- dom.wrapper.style[ Meny.prefix( 'perspectiveOrigin' ) ] = contentsTransformOrigin; |
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- } |
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- |
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- /** |
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- * The cover is used to obfuscate the contents while |
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- * Meny is open. |
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- */ |
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- function setupCover() { |
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- if( dom.cover ) { |
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- dom.cover.parentNode.removeChild( dom.cover ); |
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- } |
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- |
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- dom.cover = document.createElement( 'div' ); |
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- |
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- // Disabled until a falback fade in animation is added |
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- dom.cover.style.position = 'absolute'; |
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- dom.cover.style.display = 'block'; |
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- dom.cover.style.width = '100%'; |
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- dom.cover.style.height = '100%'; |
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- dom.cover.style.left = 0; |
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- dom.cover.style.top = 0; |
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- dom.cover.style.zIndex = 1000; |
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- dom.cover.style.visibility = 'hidden'; |
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- dom.cover.style.opacity = 0; |
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- |
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- // Silence unimportant errors in IE8 |
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- try { |
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- dom.cover.style.background = 'rgba( 0, 0, 0, 0.4 )'; |
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- dom.cover.style.background = '-ms-linear-gradient('+ config.position +','+ config.gradient; |
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- dom.cover.style.background = '-moz-linear-gradient('+ config.position +','+ config.gradient; |
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- dom.cover.style.background = '-webkit-linear-gradient('+ config.position +','+ config.gradient; |
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- } |
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- catch( e ) {} |
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- |
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- if( supports3DTransforms ) { |
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- dom.cover.style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
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- } |
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- |
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- dom.contents.appendChild( dom.cover ); |
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- } |
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- |
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- /** |
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- * The meny element that folds out upon activation. |
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- */ |
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- function setupMenu() { |
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- // Shorthand |
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- var style = dom.menu.style; |
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- |
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- switch( config.position ) { |
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- case POSITION_T: |
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- style.width = '100%'; |
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- style.height = config.height + 'px'; |
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- break; |
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- |
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- case POSITION_R: |
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- style.right = '0'; |
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- style.width = config.width + 'px'; |
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- style.height = '100%'; |
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- break; |
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- |
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- case POSITION_B: |
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- style.bottom = '0'; |
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- style.width = '100%'; |
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- style.height = config.height + 'px'; |
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- break; |
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- |
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- case POSITION_L: |
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- style.width = config.width + 'px'; |
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- style.height = '100%'; |
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- break; |
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- } |
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- |
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- originalStyles.menu = style.cssText; |
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- |
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- style.position = 'fixed'; |
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- style.display = 'block'; |
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- style.zIndex = 1; |
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- |
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- if( supports3DTransforms ) { |
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- style[ Meny.prefix( 'transform' ) ] = menuTransformClosed; |
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- style[ Meny.prefix( 'transformOrigin' ) ] = menuTransformOrigin; |
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- style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
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- } |
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- else { |
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- Meny.extend( style, menuStyleClosed ); |
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- } |
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- } |
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- |
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- /** |
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- * The contents element which gets pushed aside while |
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- * Meny is open. |
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- */ |
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- function setupContents() { |
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- // Shorthand |
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- var style = dom.contents.style; |
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- |
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- originalStyles.contents = style.cssText; |
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- |
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- if( supports3DTransforms ) { |
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- style[ Meny.prefix( 'transform' ) ] = contentsTransformClosed; |
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- style[ Meny.prefix( 'transformOrigin' ) ] = contentsTransformOrigin; |
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- style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
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- } |
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- else { |
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- style.position = style.position.match( /relative|absolute|fixed/gi ) ? style.position : 'relative'; |
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- Meny.extend( style, contentsStyleClosed ); |
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- } |
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- } |
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- |
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- /** |
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- * Attaches all input event listeners. |
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- */ |
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- function bindEvents() { |
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- |
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- if( 'ontouchstart' in window ) { |
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- if( config.touch ) { |
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- Meny.bindEvent( document, 'touchstart', onTouchStart ); |
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- Meny.bindEvent( document, 'touchend', onTouchEnd ); |
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- } |
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- else { |
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- Meny.unbindEvent( document, 'touchstart', onTouchStart ); |
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- Meny.unbindEvent( document, 'touchend', onTouchEnd ); |
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- } |
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- } |
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- |
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- if( config.mouse ) { |
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- Meny.bindEvent( document, 'mousedown', onMouseDown ); |
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- Meny.bindEvent( document, 'mouseup', onMouseUp ); |
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- Meny.bindEvent( document, 'mousemove', onMouseMove ); |
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- } |
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- else { |
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- Meny.unbindEvent( document, 'mousedown', onMouseDown ); |
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- Meny.unbindEvent( document, 'mouseup', onMouseUp ); |
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- Meny.unbindEvent( document, 'mousemove', onMouseMove ); |
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- } |
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- } |
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- |
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- /** |
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- * Expands the menu. |
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- */ |
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- function open() { |
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- if( !isOpen ) { |
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- isOpen = true; |
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- |
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- Meny.addClass( dom.wrapper, 'meny-active' ); |
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- |
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- dom.cover.style.height = dom.contents.scrollHeight + 'px'; |
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- dom.cover.style.visibility = 'visible'; |
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- |
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- // Use transforms and transitions if available... |
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- if( supports3DTransforms ) { |
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- // 'webkitAnimationEnd oanimationend msAnimationEnd animationend transitionend' |
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- Meny.bindEventOnce( dom.wrapper, 'transitionend', function() { |
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- Meny.dispatchEvent( dom.menu, 'opened' ); |
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- } ); |
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- |
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- dom.cover.style.opacity = 1; |
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- |
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- dom.contents.style[ Meny.prefix( 'transform' ) ] = contentsTransformOpened; |
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- dom.menu.style[ Meny.prefix( 'transform' ) ] = menuTransformOpened; |
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- } |
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- // ...fall back on JS animation |
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- else { |
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- menuAnimation && menuAnimation.stop(); |
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- menuAnimation = Meny.animate( dom.menu, menuStyleOpened, 500 ); |
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- contentsAnimation && contentsAnimation.stop(); |
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- contentsAnimation = Meny.animate( dom.contents, contentsStyleOpened, 500 ); |
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- coverAnimation && coverAnimation.stop(); |
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- coverAnimation = Meny.animate( dom.cover, { opacity: 1 }, 500 ); |
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- } |
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- |
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- Meny.dispatchEvent( dom.menu, 'open' ); |
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- } |
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- } |
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- |
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- /** |
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- * Collapses the menu. |
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- */ |
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- function close() { |
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- if( isOpen ) { |
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- isOpen = false; |
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- |
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- Meny.removeClass( dom.wrapper, 'meny-active' ); |
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- |
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- // Use transforms and transitions if available... |
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- if( supports3DTransforms ) { |
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- // 'webkitAnimationEnd oanimationend msAnimationEnd animationend transitionend' |
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- Meny.bindEventOnce( dom.wrapper, 'transitionend', function() { |
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- Meny.dispatchEvent( dom.menu, 'closed' ); |
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- } ); |
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- |
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- dom.cover.style.visibility = 'hidden'; |
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- dom.cover.style.opacity = 0; |
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- |
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- dom.contents.style[ Meny.prefix( 'transform' ) ] = contentsTransformClosed; |
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- dom.menu.style[ Meny.prefix( 'transform' ) ] = menuTransformClosed; |
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- } |
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- // ...fall back on JS animation |
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- else { |
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- menuAnimation && menuAnimation.stop(); |
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- menuAnimation = Meny.animate( dom.menu, menuStyleClosed, 500 ); |
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- contentsAnimation && contentsAnimation.stop(); |
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- contentsAnimation = Meny.animate( dom.contents, contentsStyleClosed, 500 ); |
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- coverAnimation && coverAnimation.stop(); |
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- coverAnimation = Meny.animate( dom.cover, { opacity: 0 }, 500, function() { |
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- dom.cover.style.visibility = 'hidden'; |
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- Meny.dispatchEvent( dom.menu, 'closed' ); |
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- } ); |
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- } |
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- Meny.dispatchEvent( dom.menu, 'close' ); |
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- } |
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- } |
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- |
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- /** |
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- * Unbinds Meny and resets the DOM to the state it |
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- * was at before Meny was initialized. |
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- */ |
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- function destroy() { |
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- dom.wrapper.style.cssText = originalStyles.wrapper |
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- dom.menu.style.cssText = originalStyles.menu; |
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- dom.contents.style.cssText = originalStyles.contents; |
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- |
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- if( dom.cover && dom.cover.parentNode ) { |
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- dom.cover.parentNode.removeChild( dom.cover ); |
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- } |
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- |
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- Meny.unbindEvent( document, 'touchstart', onTouchStart ); |
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- Meny.unbindEvent( document, 'touchend', onTouchEnd ); |
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433 |
- Meny.unbindEvent( document, 'mousedown', onMouseDown ); |
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434 |
- Meny.unbindEvent( document, 'mouseup', onMouseUp ); |
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435 |
- Meny.unbindEvent( document, 'mousemove', onMouseMove ); |
|
436 |
- |
|
437 |
- for( var i in addedEventListeners ) { |
|
438 |
- this.removeEventListener( addedEventListeners[i][0], addedEventListeners[i][1] ); |
|
439 |
- } |
|
440 |
- |
|
441 |
- addedEventListeners = []; |
|
442 |
- } |
|
443 |
- |
|
444 |
- |
|
445 |
- /// INPUT: ///////////////////////////////// |
|
446 |
- |
|
447 |
- function onMouseDown( event ) { |
|
448 |
- isMouseDown = true; |
|
449 |
- } |
|
450 |
- |
|
451 |
- function onMouseMove( event ) { |
|
452 |
- // Prevent opening/closing when mouse is down since |
|
453 |
- // the user may be selecting text |
|
454 |
- if( !isMouseDown ) { |
|
455 |
- var x = event.clientX - indentX, |
|
456 |
- y = event.clientY - indentY; |
|
457 |
- |
|
458 |
- switch( config.position ) { |
|
459 |
- case POSITION_T: |
|
460 |
- if( y > config.height ) { |
|
461 |
- close(); |
|
462 |
- } |
|
463 |
- else if( y < config.threshold ) { |
|
464 |
- open(); |
|
465 |
- } |
|
466 |
- break; |
|
467 |
- |
|
468 |
- case POSITION_R: |
|
469 |
- var w = dom.wrapper.offsetWidth; |
|
470 |
- if( x < w - config.width ) { |
|
471 |
- close(); |
|
472 |
- } |
|
473 |
- else if( x > w - config.threshold ) { |
|
474 |
- open(); |
|
475 |
- } |
|
476 |
- break; |
|
477 |
- |
|
478 |
- case POSITION_B: |
|
479 |
- var h = dom.wrapper.offsetHeight; |
|
480 |
- if( y < h - config.height ) { |
|
481 |
- close(); |
|
482 |
- } |
|
483 |
- else if( y > h - config.threshold ) { |
|
484 |
- open(); |
|
485 |
- } |
|
486 |
- break; |
|
487 |
- |
|
488 |
- case POSITION_L: |
|
489 |
- if( x > config.width ) { |
|
490 |
- close(); |
|
491 |
- } |
|
492 |
- else if( x < config.threshold ) { |
|
493 |
- open(); |
|
494 |
- } |
|
495 |
- break; |
|
496 |
- } |
|
497 |
- } |
|
498 |
- } |
|
499 |
- |
|
500 |
- function onMouseUp( event ) { |
|
501 |
- isMouseDown = false; |
|
502 |
- } |
|
503 |
- |
|
504 |
- function onTouchStart( event ) { |
|
505 |
- touchStartX = event.touches[0].clientX - indentX; |
|
506 |
- touchStartY = event.touches[0].clientY - indentY; |
|
507 |
- touchMoveX = null; |
|
508 |
- touchMoveY = null; |
|
509 |
- |
|
510 |
- Meny.bindEvent( document, 'touchmove', onTouchMove ); |
|
511 |
- } |
|
512 |
- |
|
513 |
- function onTouchMove( event ) { |
|
514 |
- touchMoveX = event.touches[0].clientX - indentX; |
|
515 |
- touchMoveY = event.touches[0].clientY - indentY; |
|
516 |
- |
|
517 |
- var swipeMethod = null; |
|
518 |
- |
|
519 |
- // Check for swipe gestures in any direction |
|
520 |
- |
|
521 |
- if( Math.abs( touchMoveX - touchStartX ) > Math.abs( touchMoveY - touchStartY ) ) { |
|
522 |
- if( touchMoveX < touchStartX - config.threshold ) { |
|
523 |
- swipeMethod = onSwipeRight; |
|
524 |
- } |
|
525 |
- else if( touchMoveX > touchStartX + config.threshold ) { |
|
526 |
- swipeMethod = onSwipeLeft; |
|
527 |
- } |
|
528 |
- } |
|
529 |
- else { |
|
530 |
- if( touchMoveY < touchStartY - config.threshold ) { |
|
531 |
- swipeMethod = onSwipeDown; |
|
532 |
- } |
|
533 |
- else if( touchMoveY > touchStartY + config.threshold ) { |
|
534 |
- swipeMethod = onSwipeUp; |
|
535 |
- } |
|
536 |
- } |
|
537 |
- |
|
538 |
- if( swipeMethod && swipeMethod() ) { |
|
539 |
- event.preventDefault(); |
|
540 |
- } |
|
541 |
- } |
|
542 |
- |
|
543 |
- function onTouchEnd( event ) { |
|
544 |
- Meny.unbindEvent( document, 'touchmove', onTouchMove ); |
|
545 |
- |
|
546 |
- // If there was no movement this was a tap |
|
547 |
- if( touchMoveX === null && touchMoveY === null ) { |
|
548 |
- onTap(); |
|
549 |
- } |
|
550 |
- } |
|
551 |
- |
|
552 |
- function onTap() { |
|
553 |
- var isOverContent = ( config.position === POSITION_T && touchStartY > config.height ) || |
|
554 |
- ( config.position === POSITION_R && touchStartX < dom.wrapper.offsetWidth - config.width ) || |
|
555 |
- ( config.position === POSITION_B && touchStartY < dom.wrapper.offsetHeight - config.height ) || |
|
556 |
- ( config.position === POSITION_L && touchStartX > config.width ); |
|
557 |
- |
|
558 |
- if( isOverContent ) { |
|
559 |
- close(); |
|
560 |
- } |
|
561 |
- } |
|
562 |
- |
|
563 |
- function onSwipeLeft() { |
|
564 |
- if( config.position === POSITION_R && isOpen ) { |
|
565 |
- close(); |
|
566 |
- return true; |
|
567 |
- } |
|
568 |
- else if( config.position === POSITION_L && !isOpen ) { |
|
569 |
- open(); |
|
570 |
- return true; |
|
571 |
- } |
|
572 |
- } |
|
573 |
- |
|
574 |
- function onSwipeRight() { |
|
575 |
- if( config.position === POSITION_R && !isOpen ) { |
|
576 |
- open(); |
|
577 |
- return true; |
|
578 |
- } |
|
579 |
- else if( config.position === POSITION_L && isOpen ) { |
|
580 |
- close(); |
|
581 |
- return true; |
|
582 |
- } |
|
583 |
- } |
|
584 |
- |
|
585 |
- function onSwipeUp() { |
|
586 |
- if( config.position === POSITION_B && isOpen ) { |
|
587 |
- close(); |
|
588 |
- return true; |
|
589 |
- } |
|
590 |
- else if( config.position === POSITION_T && !isOpen ) { |
|
591 |
- open(); |
|
592 |
- return true; |
|
593 |
- } |
|
594 |
- } |
|
595 |
- |
|
596 |
- function onSwipeDown() { |
|
597 |
- if( config.position === POSITION_B && !isOpen ) { |
|
598 |
- open(); |
|
599 |
- return true; |
|
600 |
- } |
|
601 |
- else if( config.position === POSITION_T && isOpen ) { |
|
602 |
- close(); |
|
603 |
- return true; |
|
604 |
- } |
|
605 |
- } |
|
606 |
- |
|
607 |
- |
|
608 |
- /// API: /////////////////////////////////// |
|
609 |
- |
|
610 |
- return { |
|
611 |
- configure: configure, |
|
612 |
- |
|
613 |
- open: open, |
|
614 |
- close: close, |
|
615 |
- destroy: destroy, |
|
616 |
- |
|
617 |
- isOpen: function() { |
|
618 |
- return isOpen; |
|
619 |
- }, |
|
620 |
- |
|
621 |
- /** |
|
622 |
- * Forward event binding to the menu DOM element. |
|
623 |
- */ |
|
624 |
- addEventListener: function( type, listener ) { |
|
625 |
- addedEventListeners.push( [type, listener] ); |
|
626 |
- dom.menu && Meny.bindEvent( dom.menu, type, listener ); |
|
627 |
- }, |
|
628 |
- removeEventListener: function( type, listener ) { |
|
629 |
- dom.menu && Meny.unbindEvent( dom.menu, type, listener ); |
|
630 |
- } |
|
631 |
- }; |
|
632 |
- |
|
633 |
- })(); |
|
634 |
- }, |
|
635 |
- |
|
636 |
- /** |
|
637 |
- * Helper method, changes an element style over time. |
|
638 |
- */ |
|
639 |
- animate: function( element, properties, duration, callback ) { |
|
640 |
- return (function() { |
|
641 |
- // Will hold start/end values for all properties |
|
642 |
- var interpolations = {}; |
|
643 |
- |
|
644 |
- // Format properties |
|
645 |
- for( var p in properties ) { |
|
646 |
- interpolations[p] = { |
|
647 |
- start: parseFloat( element.style[p] ) || 0, |
|
648 |
- end: parseFloat( properties[p] ), |
|
649 |
- unit: ( typeof properties[p] === 'string' && properties[p].match( /px|em|%/gi ) ) ? properties[p].match( /px|em|%/gi )[0] : '' |
|
650 |
- }; |
|
651 |
- } |
|
652 |
- |
|
653 |
- var animationStartTime = Date.now(), |
|
654 |
- animationTimeout; |
|
655 |
- |
|
656 |
- // Takes one step forward in the animation |
|
657 |
- function step() { |
|
658 |
- // Ease out |
|
659 |
- var progress = 1 - Math.pow( 1 - ( ( Date.now() - animationStartTime ) / duration ), 5 ); |
|
660 |
- |
|
661 |
- // Set style to interpolated value |
|
662 |
- for( var p in interpolations ) { |
|
663 |
- var property = interpolations[p]; |
|
664 |
- element.style[p] = property.start + ( ( property.end - property.start ) * progress ) + property.unit; |
|
665 |
- } |
|
666 |
- |
|
667 |
- // Continue as long as we're not done |
|
668 |
- if( progress < 1 ) { |
|
669 |
- animationTimeout = setTimeout( step, 1000 / 60 ); |
|
670 |
- } |
|
671 |
- else { |
|
672 |
- callback && callback(); |
|
673 |
- stop(); |
|
674 |
- } |
|
675 |
- } |
|
676 |
- |
|
677 |
- // Cancels the animation |
|
678 |
- function stop() { |
|
679 |
- clearTimeout( animationTimeout ); |
|
680 |
- } |
|
681 |
- |
|
682 |
- // Starts the animation |
|
683 |
- step(); |
|
684 |
- |
|
685 |
- |
|
686 |
- /// API: /////////////////////////////////// |
|
687 |
- |
|
688 |
- return { |
|
689 |
- stop: stop |
|
690 |
- }; |
|
691 |
- })(); |
|
692 |
- }, |
|
693 |
- |
|
694 |
- /** |
|
695 |
- * Extend object a with the properties of object b. |
|
696 |
- * If there's a conflict, object b takes precedence. |
|
697 |
- */ |
|
698 |
- extend: function( a, b ) { |
|
699 |
- for( var i in b ) { |
|
700 |
- a[ i ] = b[ i ]; |
|
701 |
- } |
|
702 |
- }, |
|
703 |
- |
|
704 |
- /** |
|
705 |
- * Prefixes a style property with the correct vendor. |
|
706 |
- */ |
|
707 |
- prefix: function( property, el ) { |
|
708 |
- var propertyUC = property.slice( 0, 1 ).toUpperCase() + property.slice( 1 ), |
|
709 |
- vendors = [ 'Webkit', 'Moz', 'O', 'ms' ]; |
|
710 |
- |
|
711 |
- for( var i = 0, len = vendors.length; i < len; i++ ) { |
|
712 |
- var vendor = vendors[i]; |
|
713 |
- |
|
714 |
- if( typeof ( el || document.body ).style[ vendor + propertyUC ] !== 'undefined' ) { |
|
715 |
- return vendor + propertyUC; |
|
716 |
- } |
|
717 |
- } |
|
718 |
- |
|
719 |
- return property; |
|
720 |
- }, |
|
721 |
- |
|
722 |
- /** |
|
723 |
- * Adds a class to the target element. |
|
724 |
- */ |
|
725 |
- addClass: function( element, name ) { |
|
726 |
- element.className = element.className.replace( /\s+$/gi, '' ) + ' ' + name; |
|
727 |
- }, |
|
728 |
- |
|
729 |
- /** |
|
730 |
- * Removes a class from the target element. |
|
731 |
- */ |
|
732 |
- removeClass: function( element, name ) { |
|
733 |
- element.className = element.className.replace( name, '' ); |
|
734 |
- }, |
|
735 |
- |
|
736 |
- /** |
|
737 |
- * Adds an event listener in a browser safe way. |
|
738 |
- */ |
|
739 |
- bindEvent: function( element, ev, fn ) { |
|
740 |
- if( element.addEventListener ) { |
|
741 |
- element.addEventListener( ev, fn, false ); |
|
742 |
- } |
|
743 |
- else { |
|
744 |
- element.attachEvent( 'on' + ev, fn ); |
|
745 |
- } |
|
746 |
- }, |
|
747 |
- |
|
748 |
- /** |
|
749 |
- * Removes an event listener in a browser safe way. |
|
750 |
- */ |
|
751 |
- unbindEvent: function( element, ev, fn ) { |
|
752 |
- if( element.removeEventListener ) { |
|
753 |
- element.removeEventListener( ev, fn, false ); |
|
754 |
- } |
|
755 |
- else { |
|
756 |
- element.detachEvent( 'on' + ev, fn ); |
|
757 |
- } |
|
758 |
- }, |
|
759 |
- |
|
760 |
- bindEventOnce: function ( element, ev, fn ) { |
|
761 |
- var me = this; |
|
762 |
- var listener = function() { |
|
763 |
- me.unbindEvent( element, ev, listener ); |
|
764 |
- fn.apply( this, arguments ); |
|
765 |
- }; |
|
766 |
- this.bindEvent( element, ev, listener ); |
|
767 |
- }, |
|
768 |
- |
|
769 |
- /** |
|
770 |
- * Dispatches an event of the specified type from the |
|
771 |
- * menu DOM element. |
|
772 |
- */ |
|
773 |
- dispatchEvent: function( element, type, properties ) { |
|
774 |
- if( element ) { |
|
775 |
- var event = document.createEvent( "HTMLEvents", 1, 2 ); |
|
776 |
- event.initEvent( type, true, true ); |
|
777 |
- Meny.extend( event, properties ); |
|
778 |
- element.dispatchEvent( event ); |
|
779 |
- } |
|
780 |
- }, |
|
781 |
- |
|
782 |
- /** |
|
783 |
- * Retrieves query string as a key/value hash. |
|
784 |
- */ |
|
785 |
- getQuery: function() { |
|
786 |
- var query = {}; |
|
787 |
- |
|
788 |
- location.search.replace( /[A-Z0-9]+?=([\w|:|\/\.]*)/gi, function(a) { |
|
789 |
- query[ a.split( '=' ).shift() ] = a.split( '=' ).pop(); |
|
790 |
- } ); |
|
791 |
- |
|
792 |
- return query; |
|
793 |
- } |
|
794 |
- |
|
795 |
-}; |
|
796 |
- |
|
797 |
-return Meny; |
|
798 |
- |
|
799 |
-})); |
1 | 1 |
new file mode 100644 |
... | ... |
@@ -0,0 +1,799 @@ |
1 |
+/*! |
|
2 |
+ * meny 1.4 |
|
3 |
+ * http://lab.hakim.se/meny |
|
4 |
+ * MIT licensed |
|
5 |
+ * |
|
6 |
+ * Created by Hakim El Hattab (http://hakim.se, @hakimel) |
|
7 |
+ */ |
|
8 |
+ |
|
9 |
+(function( root, factory ) { |
|
10 |
+ if( typeof define === 'function' && define.amd ) { |
|
11 |
+ // AMD module |
|
12 |
+ define( factory ); |
|
13 |
+ } else { |
|
14 |
+ // Browser global |
|
15 |
+ root.Meny = factory(); |
|
16 |
+ } |
|
17 |
+}(this, function () { |
|
18 |
+ |
|
19 |
+// Date.now polyfill |
|
20 |
+if( typeof Date.now !== 'function' ) Date.now = function() { return new Date().getTime(); }; |
|
21 |
+ |
|
22 |
+var Meny = { |
|
23 |
+ |
|
24 |
+ // Creates a new instance of Meny |
|
25 |
+ create: function( options ) { |
|
26 |
+ return (function(){ |
|
27 |
+ |
|
28 |
+ // Make sure the required arguments are defined |
|
29 |
+ if( !options || !options.menuElement || !options.contentsElement ) { |
|
30 |
+ throw 'You need to specify which menu and contents elements to use.'; |
|
31 |
+ } |
|
32 |
+ |
|
33 |
+ // Make sure the menu and contents have the same parent |
|
34 |
+ if( options.menuElement.parentNode !== options.contentsElement.parentNode ) { |
|
35 |
+ throw 'The menu and contents elements must have the same parent.'; |
|
36 |
+ } |
|
37 |
+ |
|
38 |
+ // Constants |
|
39 |
+ var POSITION_T = 'top', |
|
40 |
+ POSITION_R = 'right', |
|
41 |
+ POSITION_B = 'bottom', |
|
42 |
+ POSITION_L = 'left'; |
|
43 |
+ |
|
44 |
+ // Feature detection for 3D transforms |
|
45 |
+ var supports3DTransforms = 'WebkitPerspective' in document.body.style || |
|
46 |
+ 'MozPerspective' in document.body.style || |
|
47 |
+ 'msPerspective' in document.body.style || |
|
48 |
+ 'OPerspective' in document.body.style || |
|
49 |
+ 'perspective' in document.body.style; |
|
50 |
+ |
|
51 |
+ // Default options, gets extended by passed in arguments |
|
52 |
+ var config = { |
|
53 |
+ width: 300, |
|
54 |
+ height: 300, |
|
55 |
+ position: POSITION_L, |
|
56 |
+ threshold: 40, |
|
57 |
+ angle: 30, |
|
58 |
+ overlap: 6, |
|
59 |
+ transitionDuration: '0.5s', |
|
60 |
+ transitionEasing: 'ease', |
|
61 |
+ gradient: 'rgba(0,0,0,0.20) 0%, rgba(0,0,0,0.65) 100%)', |
|
62 |
+ mouse: true, |
|
63 |
+ touch: true |
|
64 |
+ }; |
|
65 |
+ |
|
66 |
+ // Cache references to DOM elements |
|
67 |
+ var dom = { |
|
68 |
+ menu: options.menuElement, |
|
69 |
+ contents: options.contentsElement, |
|
70 |
+ wrapper: options.menuElement.parentNode, |
|
71 |
+ cover: null |
|
72 |
+ }; |
|
73 |
+ |
|
74 |
+ // State and input |
|
75 |
+ var indentX = dom.wrapper.offsetLeft, |
|
76 |
+ indentY = dom.wrapper.offsetTop, |
|
77 |
+ touchStartX = null, |
|
78 |
+ touchStartY = null, |
|
79 |
+ touchMoveX = null, |
|
80 |
+ touchMoveY = null, |
|
81 |
+ isOpen = false, |
|
82 |
+ isMouseDown = false; |
|
83 |
+ |
|
84 |
+ // Precalculated transform and style states |
|
85 |
+ var menuTransformOrigin, |
|
86 |
+ menuTransformClosed, |
|
87 |
+ menuTransformOpened, |
|
88 |
+ menuStyleClosed, |
|
89 |
+ menuStyleOpened, |
|
90 |
+ |
|
91 |
+ contentsTransformOrigin, |
|
92 |
+ contentsTransformClosed, |
|
93 |
+ contentsTransformOpened, |
|
94 |
+ contentsStyleClosed, |
|
95 |
+ contentsStyleOpened; |
|
96 |
+ |
|
97 |
+ var originalStyles = {}, |
|
98 |
+ addedEventListeners = []; |
|
99 |
+ |
|
100 |
+ // Ongoing animations (for fallback mode) |
|
101 |
+ var menuAnimation, |
|
102 |
+ contentsAnimation, |
|
103 |
+ coverAnimation; |
|
104 |
+ |
|
105 |
+ configure( options ); |
|
106 |
+ |
|
107 |
+ /** |
|
108 |
+ * Initializes Meny with the specified user options, |
|
109 |
+ * may be called multiple times as configuration changes. |
|
110 |
+ */ |
|
111 |
+ function configure( o ) { |
|
112 |
+ // Extend the default config object with the passed in |
|
113 |
+ // options |
|
114 |
+ Meny.extend( config, o ); |
|
115 |
+ |
|
116 |
+ setupPositions(); |
|
117 |
+ setupWrapper(); |
|
118 |
+ setupCover(); |
|
119 |
+ setupMenu(); |
|
120 |
+ setupContents(); |
|
121 |
+ |
|
122 |
+ bindEvents(); |
|
123 |
+ } |
|
124 |
+ |
|
125 |
+ /** |
|
126 |
+ * Prepares the transforms for the current positioning |
|
127 |
+ * settings. |
|
128 |
+ */ |
|
129 |
+ function setupPositions() { |
|
130 |
+ menuTransformOpened = ''; |
|
131 |
+ contentsTransformClosed = ''; |
|
132 |
+ menuAngle = config.angle; |
|
133 |
+ contentsAngle = config.angle / -2; |
|
134 |
+ |
|
135 |
+ switch( config.position ) { |
|
136 |
+ case POSITION_T: |
|
137 |
+ // Primary transform: |
|
138 |
+ menuTransformOrigin = '50% 0%'; |
|
139 |
+ menuTransformClosed = 'rotateX( ' + menuAngle + 'deg ) translateY( -100% ) translateY( '+ config.overlap +'px )'; |
|
140 |
+ contentsTransformOrigin = '50% 0'; |
|
141 |
+ contentsTransformOpened = 'translateY( '+ config.height +'px ) rotateX( ' + contentsAngle + 'deg )'; |
|
142 |
+ |
|
143 |
+ // Position fallback: |
|
144 |
+ menuStyleClosed = { top: '-' + (config.height-config.overlap) + 'px' }; |
|
145 |
+ menuStyleOpened = { top: '0px' }; |
|
146 |
+ contentsStyleClosed = { top: '0px' }; |
|
147 |
+ contentsStyleOpened = { top: config.height + 'px' }; |
|
148 |
+ break; |
|
149 |
+ |
|
150 |
+ case POSITION_R: |
|
151 |
+ // Primary transform: |
|
152 |
+ menuTransformOrigin = '100% 50%'; |
|
153 |
+ menuTransformClosed = 'rotateY( ' + menuAngle + 'deg ) translateX( 100% ) translateX( -2px ) scale( 1.01 )'; |
|
154 |
+ contentsTransformOrigin = '100% 50%'; |
|
155 |
+ contentsTransformOpened = 'translateX( -'+ config.width +'px ) rotateY( ' + contentsAngle + 'deg )'; |
|
156 |
+ |
|
157 |
+ // Position fallback: |
|
158 |
+ menuStyleClosed = { right: '-' + (config.width-config.overlap) + 'px' }; |
|
159 |
+ menuStyleOpened = { right: '0px' }; |
|
160 |
+ contentsStyleClosed = { left: '0px' }; |
|
161 |
+ contentsStyleOpened = { left: '-' + config.width + 'px' }; |
|
162 |
+ break; |
|
163 |
+ |
|
164 |
+ case POSITION_B: |
|
165 |
+ // Primary transform: |
|
166 |
+ menuTransformOrigin = '50% 100%'; |
|
167 |
+ menuTransformClosed = 'rotateX( ' + -menuAngle + 'deg ) translateY( 100% ) translateY( -'+ config.overlap +'px )'; |
|
168 |
+ contentsTransformOrigin = '50% 100%'; |
|
169 |
+ contentsTransformOpened = 'translateY( -'+ config.height +'px ) rotateX( ' + -contentsAngle + 'deg )'; |
|
170 |
+ |
|
171 |
+ // Position fallback: |
|
172 |
+ menuStyleClosed = { bottom: '-' + (config.height-config.overlap) + 'px' }; |
|
173 |
+ menuStyleOpened = { bottom: '0px' }; |
|
174 |
+ contentsStyleClosed = { top: '0px' }; |
|
175 |
+ contentsStyleOpened = { top: '-' + config.height + 'px' }; |
|
176 |
+ break; |
|
177 |
+ |
|
178 |
+ default: |
|
179 |
+ // Primary transform: |
|
180 |
+ menuTransformOrigin = '100% 50%'; |
|
181 |
+ menuTransformClosed = 'translateX( -100% ) translateX( '+ config.overlap +'px ) scale( 1.01 ) rotateY( ' + -menuAngle + 'deg )'; |
|
182 |
+ contentsTransformOrigin = '0 50%'; |
|
183 |
+ contentsTransformOpened = 'translateX( '+ config.width +'px ) rotateY( ' + -contentsAngle + 'deg )'; |
|
184 |
+ |
|
185 |
+ // Position fallback: |
|
186 |
+ menuStyleClosed = { left: '-' + (config.width-config.overlap) + 'px' }; |
|
187 |
+ menuStyleOpened = { left: '0px' }; |
|
188 |
+ contentsStyleClosed = { left: '0px' }; |
|
189 |
+ contentsStyleOpened = { left: config.width + 'px' }; |
|
190 |
+ break; |
|
191 |
+ } |
|
192 |
+ } |
|
193 |
+ |
|
194 |
+ /** |
|
195 |
+ * The wrapper element holds the menu and contents. |
|
196 |
+ */ |
|
197 |
+ function setupWrapper() { |
|
198 |
+ // Add a class to allow for custom styles based on |
|
199 |
+ // position |
|
200 |
+ Meny.addClass( dom.wrapper, 'meny-' + config.position ); |
|
201 |
+ |
|
202 |
+ originalStyles.wrapper = dom.wrapper.style.cssText; |
|
203 |
+ |
|
204 |
+ dom.wrapper.style[ Meny.prefix( 'perspective' ) ] = '800px'; |
|
205 |
+ dom.wrapper.style[ Meny.prefix( 'perspectiveOrigin' ) ] = contentsTransformOrigin; |
|
206 |
+ } |
|
207 |
+ |
|
208 |
+ /** |
|
209 |
+ * The cover is used to obfuscate the contents while |
|
210 |
+ * Meny is open. |
|
211 |
+ */ |
|
212 |
+ function setupCover() { |
|
213 |
+ if( dom.cover ) { |
|
214 |
+ dom.cover.parentNode.removeChild( dom.cover ); |
|
215 |
+ } |
|
216 |
+ |
|
217 |
+ dom.cover = document.createElement( 'div' ); |
|
218 |
+ |
|
219 |
+ // Disabled until a falback fade in animation is added |
|
220 |
+ dom.cover.style.position = 'absolute'; |
|
221 |
+ dom.cover.style.display = 'block'; |
|
222 |
+ dom.cover.style.width = '100%'; |
|
223 |
+ dom.cover.style.height = '100%'; |
|
224 |
+ dom.cover.style.left = 0; |
|
225 |
+ dom.cover.style.top = 0; |
|
226 |
+ dom.cover.style.zIndex = 1000; |
|
227 |
+ dom.cover.style.visibility = 'hidden'; |
|
228 |
+ dom.cover.style.opacity = 0; |
|
229 |
+ |
|
230 |
+ // Silence unimportant errors in IE8 |
|
231 |
+ try { |
|
232 |
+ dom.cover.style.background = 'rgba( 0, 0, 0, 0.4 )'; |
|
233 |
+ dom.cover.style.background = '-ms-linear-gradient('+ config.position +','+ config.gradient; |
|
234 |
+ dom.cover.style.background = '-moz-linear-gradient('+ config.position +','+ config.gradient; |
|
235 |
+ dom.cover.style.background = '-webkit-linear-gradient('+ config.position +','+ config.gradient; |
|
236 |
+ } |
|
237 |
+ catch( e ) {} |
|
238 |
+ |
|
239 |
+ if( supports3DTransforms ) { |
|
240 |
+ dom.cover.style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
|
241 |
+ } |
|
242 |
+ |
|
243 |
+ dom.contents.appendChild( dom.cover ); |
|
244 |
+ } |
|
245 |
+ |
|
246 |
+ /** |
|
247 |
+ * The meny element that folds out upon activation. |
|
248 |
+ */ |
|
249 |
+ function setupMenu() { |
|
250 |
+ // Shorthand |
|
251 |
+ var style = dom.menu.style; |
|
252 |
+ |
|
253 |
+ switch( config.position ) { |
|
254 |
+ case POSITION_T: |
|
255 |
+ style.width = '100%'; |
|
256 |
+ style.height = config.height + 'px'; |
|
257 |
+ break; |
|
258 |
+ |
|
259 |
+ case POSITION_R: |
|
260 |
+ style.right = '0'; |
|
261 |
+ style.width = config.width + 'px'; |
|
262 |
+ style.height = '100%'; |
|
263 |
+ break; |
|
264 |
+ |
|
265 |
+ case POSITION_B: |
|
266 |
+ style.bottom = '0'; |
|
267 |
+ style.width = '100%'; |
|
268 |
+ style.height = config.height + 'px'; |
|
269 |
+ break; |
|
270 |
+ |
|
271 |
+ case POSITION_L: |
|
272 |
+ style.width = config.width + 'px'; |
|
273 |
+ style.height = '100%'; |
|
274 |
+ break; |
|
275 |
+ } |
|
276 |
+ |
|
277 |
+ originalStyles.menu = style.cssText; |
|
278 |
+ |
|
279 |
+ style.position = 'fixed'; |
|
280 |
+ style.display = 'block'; |
|
281 |
+ style.zIndex = 1; |
|
282 |
+ |
|
283 |
+ if( supports3DTransforms ) { |
|
284 |
+ style[ Meny.prefix( 'transform' ) ] = menuTransformClosed; |
|
285 |
+ style[ Meny.prefix( 'transformOrigin' ) ] = menuTransformOrigin; |
|
286 |
+ style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
|
287 |
+ } |
|
288 |
+ else { |
|
289 |
+ Meny.extend( style, menuStyleClosed ); |
|
290 |
+ } |
|
291 |
+ } |
|
292 |
+ |
|
293 |
+ /** |
|
294 |
+ * The contents element which gets pushed aside while |
|
295 |
+ * Meny is open. |
|
296 |
+ */ |
|
297 |
+ function setupContents() { |
|
298 |
+ // Shorthand |
|
299 |
+ var style = dom.contents.style; |
|
300 |
+ |
|
301 |
+ originalStyles.contents = style.cssText; |
|
302 |
+ |
|
303 |
+ if( supports3DTransforms ) { |
|
304 |
+ style[ Meny.prefix( 'transform' ) ] = contentsTransformClosed; |
|
305 |
+ style[ Meny.prefix( 'transformOrigin' ) ] = contentsTransformOrigin; |
|
306 |
+ style[ Meny.prefix( 'transition' ) ] = 'all ' + config.transitionDuration +' '+ config.transitionEasing; |
|
307 |
+ } |
|
308 |
+ else { |
|
309 |
+ style.position = style.position.match( /relative|absolute|fixed/gi ) ? style.position : 'relative'; |
|
310 |
+ Meny.extend( style, contentsStyleClosed ); |
|
311 |
+ } |
|
312 |
+ } |
|
313 |
+ |
|
314 |
+ /** |
|
315 |
+ * Attaches all input event listeners. |
|
316 |
+ */ |
|
317 |
+ function bindEvents() { |
|
318 |
+ |
|
319 |
+ if( 'ontouchstart' in window ) { |
|
320 |
+ if( config.touch ) { |
|
321 |
+ Meny.bindEvent( document, 'touchstart', onTouchStart ); |
|
322 |
+ Meny.bindEvent( document, 'touchend', onTouchEnd ); |
|
323 |
+ } |
|
324 |
+ else { |
|
325 |
+ Meny.unbindEvent( document, 'touchstart', onTouchStart ); |
|
326 |
+ Meny.unbindEvent( document, 'touchend', onTouchEnd ); |
|
327 |
+ } |
|
328 |
+ } |
|
329 |
+ |
|
330 |
+ if( config.mouse ) { |
|
331 |
+ Meny.bindEvent( document, 'mousedown', onMouseDown ); |
|
332 |
+ Meny.bindEvent( document, 'mouseup', onMouseUp ); |
|
333 |
+ Meny.bindEvent( document, 'mousemove', onMouseMove ); |
|
334 |
+ } |
|
335 |
+ else { |
|
336 |
+ Meny.unbindEvent( document, 'mousedown', onMouseDown ); |
|
337 |
+ Meny.unbindEvent( document, 'mouseup', onMouseUp ); |
|
338 |
+ Meny.unbindEvent( document, 'mousemove', onMouseMove ); |
|
339 |
+ } |
|
340 |
+ } |
|
341 |
+ |
|
342 |
+ /** |
|
343 |
+ * Expands the menu. |
|
344 |
+ */ |
|
345 |
+ function open() { |
|
346 |
+ if( !isOpen ) { |
|
347 |
+ isOpen = true; |
|
348 |
+ |
|
349 |
+ Meny.addClass( dom.wrapper, 'meny-active' ); |
|
350 |
+ |
|
351 |
+ dom.cover.style.height = dom.contents.scrollHeight + 'px'; |
|
352 |
+ dom.cover.style.visibility = 'visible'; |
|
353 |
+ |
|
354 |
+ // Use transforms and transitions if available... |
|
355 |
+ if( supports3DTransforms ) { |
|
356 |
+ // 'webkitAnimationEnd oanimationend msAnimationEnd animationend transitionend' |
|
357 |
+ Meny.bindEventOnce( dom.wrapper, 'transitionend', function() { |
|
358 |
+ Meny.dispatchEvent( dom.menu, 'opened' ); |
|
359 |
+ } ); |
|
360 |
+ |
|
361 |
+ dom.cover.style.opacity = 1; |
|
362 |
+ |
|
363 |
+ dom.contents.style[ Meny.prefix( 'transform' ) ] = contentsTransformOpened; |
|
364 |
+ dom.menu.style[ Meny.prefix( 'transform' ) ] = menuTransformOpened; |
|
365 |
+ } |
|
366 |
+ // ...fall back on JS animation |
|
367 |
+ else { |
|
368 |
+ menuAnimation && menuAnimation.stop(); |
|
369 |
+ menuAnimation = Meny.animate( dom.menu, menuStyleOpened, 500 ); |
|
370 |
+ contentsAnimation && contentsAnimation.stop(); |
|
371 |
+ contentsAnimation = Meny.animate( dom.contents, contentsStyleOpened, 500 ); |
|
372 |
+ coverAnimation && coverAnimation.stop(); |
|
373 |
+ coverAnimation = Meny.animate( dom.cover, { opacity: 1 }, 500 ); |
|
374 |
+ } |
|
375 |
+ |
|
376 |
+ Meny.dispatchEvent( dom.menu, 'open' ); |
|
377 |
+ } |
|
378 |
+ } |
|
379 |
+ |
|
380 |
+ /** |
|
381 |
+ * Collapses the menu. |
|
382 |
+ */ |
|
383 |
+ function close() { |
|
384 |
+ if( isOpen ) { |
|
385 |
+ isOpen = false; |
|
386 |
+ |
|
387 |
+ Meny.removeClass( dom.wrapper, 'meny-active' ); |
|
388 |
+ |
|
389 |
+ // Use transforms and transitions if available... |
|
390 |
+ if( supports3DTransforms ) { |
|
391 |
+ // 'webkitAnimationEnd oanimationend msAnimationEnd animationend transitionend' |
|
392 |
+ Meny.bindEventOnce( dom.wrapper, 'transitionend', function() { |
|
393 |
+ Meny.dispatchEvent( dom.menu, 'closed' ); |
|
394 |
+ } ); |
|
395 |
+ |
|
396 |
+ dom.cover.style.visibility = 'hidden'; |
|
397 |
+ dom.cover.style.opacity = 0; |
|
398 |
+ |
|
399 |
+ dom.contents.style[ Meny.prefix( 'transform' ) ] = contentsTransformClosed; |
|
400 |
+ dom.menu.style[ Meny.prefix( 'transform' ) ] = menuTransformClosed; |
|
401 |
+ } |
|
402 |
+ // ...fall back on JS animation |
|
403 |
+ else { |
|
404 |
+ menuAnimation && menuAnimation.stop(); |
|
405 |
+ menuAnimation = Meny.animate( dom.menu, menuStyleClosed, 500 ); |
|
406 |
+ contentsAnimation && contentsAnimation.stop(); |
|
407 |
+ contentsAnimation = Meny.animate( dom.contents, contentsStyleClosed, 500 ); |
|
408 |
+ coverAnimation && coverAnimation.stop(); |
|
409 |
+ coverAnimation = Meny.animate( dom.cover, { opacity: 0 }, 500, function() { |
|
410 |
+ dom.cover.style.visibility = 'hidden'; |
|
411 |
+ Meny.dispatchEvent( dom.menu, 'closed' ); |
|
412 |
+ } ); |
|
413 |
+ } |
|
414 |
+ Meny.dispatchEvent( dom.menu, 'close' ); |
|
415 |
+ } |
|
416 |
+ } |
|
417 |
+ |
|
418 |
+ /** |
|
419 |
+ * Unbinds Meny and resets the DOM to the state it |
|
420 |
+ * was at before Meny was initialized. |
|
421 |
+ */ |
|
422 |
+ function destroy() { |
|
423 |
+ dom.wrapper.style.cssText = originalStyles.wrapper |
|
424 |
+ dom.menu.style.cssText = originalStyles.menu; |
|
425 |
+ dom.contents.style.cssText = originalStyles.contents; |
|
426 |
+ |
|
427 |
+ if( dom.cover && dom.cover.parentNode ) { |
|
428 |
+ dom.cover.parentNode.removeChild( dom.cover ); |
|
429 |
+ } |
|
430 |
+ |
|
431 |
+ Meny.unbindEvent( document, 'touchstart', onTouchStart ); |
|
432 |
+ Meny.unbindEvent( document, 'touchend', onTouchEnd ); |
|
433 |
+ Meny.unbindEvent( document, 'mousedown', onMouseDown ); |
|
434 |
+ Meny.unbindEvent( document, 'mouseup', onMouseUp ); |
|
435 |
+ Meny.unbindEvent( document, 'mousemove', onMouseMove ); |
|
436 |
+ |
|
437 |
+ for( var i in addedEventListeners ) { |
|
438 |
+ this.removeEventListener( addedEventListeners[i][0], addedEventListeners[i][1] ); |
|
439 |
+ } |
|
440 |
+ |
|
441 |
+ addedEventListeners = []; |
|
442 |
+ } |
|
443 |
+ |
|
444 |
+ |
|
445 |
+ /// INPUT: ///////////////////////////////// |
|
446 |
+ |
|
447 |
+ function onMouseDown( event ) { |
|
448 |
+ isMouseDown = true; |
|
449 |
+ } |
|
450 |
+ |
|
451 |
+ function onMouseMove( event ) { |
|
452 |
+ // Prevent opening/closing when mouse is down since |
|
453 |
+ // the user may be selecting text |
|
454 |
+ if( !isMouseDown ) { |
|
455 |
+ var x = event.clientX - indentX, |
|
456 |
+ y = event.clientY - indentY; |
|
457 |
+ |
|
458 |
+ switch( config.position ) { |
|
459 |
+ case POSITION_T: |
|
460 |
+ if( y > config.height ) { |
|
461 |
+ close(); |
|
462 |
+ } |
|
463 |
+ else if( y < config.threshold ) { |
|
464 |
+ open(); |
|
465 |
+ } |
|
466 |
+ break; |
|
467 |
+ |
|
468 |
+ case POSITION_R: |
|
469 |
+ var w = dom.wrapper.offsetWidth; |
|
470 |
+ if( x < w - config.width ) { |
|
471 |
+ close(); |
|
472 |
+ } |
|
473 |
+ else if( x > w - config.threshold ) { |
|
474 |
+ open(); |
|
475 |
+ } |
|
476 |
+ break; |
|
477 |
+ |
|
478 |
+ case POSITION_B: |
|
479 |
+ var h = dom.wrapper.offsetHeight; |
|
480 |
+ if( y < h - config.height ) { |
|
481 |
+ close(); |
|
482 |
+ } |
|
483 |
+ else if( y > h - config.threshold ) { |
|
484 |
+ open(); |
|
485 |
+ } |
|
486 |
+ break; |
|
487 |
+ |
|
488 |
+ case POSITION_L: |
|
489 |
+ if( x > config.width ) { |
|
490 |
+ close(); |
|
491 |
+ } |
|
492 |
+ else if( x < config.threshold ) { |
|
493 |
+ open(); |
|
494 |
+ } |
|
495 |
+ break; |
|
496 |
+ } |
|
497 |
+ } |
|
498 |
+ } |
|
499 |
+ |
|
500 |
+ function onMouseUp( event ) { |
|
501 |
+ isMouseDown = false; |
|
502 |
+ } |
|
503 |
+ |
|
504 |
+ function onTouchStart( event ) { |
|
505 |
+ touchStartX = event.touches[0].clientX - indentX; |
|
506 |
+ touchStartY = event.touches[0].clientY - indentY; |
|
507 |
+ touchMoveX = null; |
|
508 |
+ touchMoveY = null; |
|
509 |
+ |
|
510 |
+ Meny.bindEvent( document, 'touchmove', onTouchMove ); |
|
511 |
+ } |
|
512 |
+ |
|
513 |
+ function onTouchMove( event ) { |
|
514 |
+ touchMoveX = event.touches[0].clientX - indentX; |
|
515 |
+ touchMoveY = event.touches[0].clientY - indentY; |
|
516 |
+ |
|
517 |
+ var swipeMethod = null; |
|
518 |
+ |
|
519 |
+ // Check for swipe gestures in any direction |
|
520 |
+ |
|
521 |
+ if( Math.abs( touchMoveX - touchStartX ) > Math.abs( touchMoveY - touchStartY ) ) { |
|
522 |
+ if( touchMoveX < touchStartX - config.threshold ) { |
|
523 |
+ swipeMethod = onSwipeRight; |
|
524 |
+ } |
|
525 |
+ else if( touchMoveX > touchStartX + config.threshold ) { |
|
526 |
+ swipeMethod = onSwipeLeft; |
|
527 |
+ } |
|
528 |
+ } |
|
529 |
+ else { |
|
530 |
+ if( touchMoveY < touchStartY - config.threshold ) { |
|
531 |
+ swipeMethod = onSwipeDown; |
|
532 |
+ } |
|
533 |
+ else if( touchMoveY > touchStartY + config.threshold ) { |
|
534 |
+ swipeMethod = onSwipeUp; |
|
535 |
+ } |
|
536 |
+ } |
|
537 |
+ |
|
538 |
+ if( swipeMethod && swipeMethod() ) { |
|
539 |
+ event.preventDefault(); |
|
540 |
+ } |
|
541 |
+ } |
|
542 |
+ |
|
543 |
+ function onTouchEnd( event ) { |
|
544 |
+ Meny.unbindEvent( document, 'touchmove', onTouchMove ); |
|
545 |
+ |
|
546 |
+ // If there was no movement this was a tap |
|
547 |
+ if( touchMoveX === null && touchMoveY === null ) { |
|
548 |
+ onTap(); |
|
549 |
+ } |
|
550 |
+ } |
|
551 |
+ |
|
552 |
+ function onTap() { |
|
553 |
+ var isOverContent = ( config.position === POSITION_T && touchStartY > config.height ) || |
|
554 |
+ ( config.position === POSITION_R && touchStartX < dom.wrapper.offsetWidth - config.width ) || |
|
555 |
+ ( config.position === POSITION_B && touchStartY < dom.wrapper.offsetHeight - config.height ) || |
|
556 |
+ ( config.position === POSITION_L && touchStartX > config.width ); |
|
557 |
+ |
|
558 |
+ if( isOverContent ) { |
|
559 |
+ close(); |
|
560 |
+ } |
|
561 |
+ } |
|
562 |
+ |
|
563 |
+ function onSwipeLeft() { |
|
564 |
+ if( config.position === POSITION_R && isOpen ) { |
|
565 |
+ close(); |
|
566 |
+ return true; |
|
567 |
+ } |
|
568 |
+ else if( config.position === POSITION_L && !isOpen ) { |
|
569 |
+ open(); |
|
570 |
+ return true; |
|
571 |
+ } |
|
572 |
+ } |
|
573 |
+ |
|
574 |
+ function onSwipeRight() { |
|
575 |
+ if( config.position === POSITION_R && !isOpen ) { |
|
576 |
+ open(); |
|
577 |
+ return true; |
|
578 |
+ } |
|
579 |
+ else if( config.position === POSITION_L && isOpen ) { |
|
580 |
+ close(); |
|
581 |
+ return true; |
|
582 |
+ } |
|
583 |
+ } |
|
584 |
+ |
|
585 |
+ function onSwipeUp() { |
|
586 |
+ if( config.position === POSITION_B && isOpen ) { |
|
587 |
+ close(); |
|
588 |
+ return true; |
|
589 |
+ } |
|
590 |
+ else if( config.position === POSITION_T && !isOpen ) { |
|
591 |
+ open(); |
|
592 |
+ return true; |
|
593 |
+ } |
|
594 |
+ } |
|
595 |
+ |
|
596 |
+ function onSwipeDown() { |
|
597 |
+ if( config.position === POSITION_B && !isOpen ) { |
|
598 |
+ open(); |
|
599 |
+ return true; |
|
600 |
+ } |
|
601 |
+ else if( config.position === POSITION_T && isOpen ) { |
|
602 |
+ close(); |
|
603 |
+ return true; |
|
604 |
+ } |
|
605 |
+ } |
|
606 |
+ |
|
607 |
+ |
|
608 |
+ /// API: /////////////////////////////////// |
|
609 |
+ |
|
610 |
+ return { |
|
611 |
+ configure: configure, |
|
612 |
+ |
|
613 |
+ open: open, |
|
614 |
+ close: close, |
|
615 |
+ destroy: destroy, |
|
616 |
+ |
|
617 |
+ isOpen: function() { |
|
618 |
+ return isOpen; |
|
619 |
+ }, |
|
620 |
+ |
|
621 |
+ /** |
|
622 |
+ * Forward event binding to the menu DOM element. |
|
623 |
+ */ |
|
624 |
+ addEventListener: function( type, listener ) { |
|
625 |
+ addedEventListeners.push( [type, listener] ); |
|
626 |
+ dom.menu && Meny.bindEvent( dom.menu, type, listener ); |
|
627 |
+ }, |
|
628 |
+ removeEventListener: function( type, listener ) { |
|
629 |
+ dom.menu && Meny.unbindEvent( dom.menu, type, listener ); |
|
630 |
+ } |
|
631 |
+ }; |
|
632 |
+ |
|
633 |
+ })(); |
|
634 |
+ }, |
|
635 |
+ |
|
636 |
+ /** |
|
637 |
+ * Helper method, changes an element style over time. |
|
638 |
+ */ |
|
639 |
+ animate: function( element, properties, duration, callback ) { |
|
640 |
+ return (function() { |
|
641 |
+ // Will hold start/end values for all properties |
|
642 |
+ var interpolations = {}; |
|
643 |
+ |
|
644 |
+ // Format properties |
|
645 |
+ for( var p in properties ) { |
|
646 |
+ interpolations[p] = { |
|
647 |
+ start: parseFloat( element.style[p] ) || 0, |
|
648 |
+ end: parseFloat( properties[p] ), |
|
649 |
+ unit: ( typeof properties[p] === 'string' && properties[p].match( /px|em|%/gi ) ) ? properties[p].match( /px|em|%/gi )[0] : '' |
|
650 |
+ }; |
|
651 |
+ } |
|
652 |
+ |
|
653 |
+ var animationStartTime = Date.now(), |
|
654 |
+ animationTimeout; |
|
655 |
+ |
|
656 |
+ // Takes one step forward in the animation |
|
657 |
+ function step() { |
|
658 |
+ // Ease out |
|
659 |
+ var progress = 1 - Math.pow( 1 - ( ( Date.now() - animationStartTime ) / duration ), 5 ); |
|
660 |
+ |
|
661 |
+ // Set style to interpolated value |
|
662 |
+ for( var p in interpolations ) { |
|
663 |
+ var property = interpolations[p]; |
|
664 |
+ element.style[p] = property.start + ( ( property.end - property.start ) * progress ) + property.unit; |
|
665 |
+ } |
|
666 |
+ |
|
667 |
+ // Continue as long as we're not done |
|
668 |
+ if( progress < 1 ) { |
|
669 |
+ animationTimeout = setTimeout( step, 1000 / 60 ); |
|
670 |
+ } |
|
671 |
+ else { |
|
672 |
+ callback && callback(); |
|
673 |
+ stop(); |
|
674 |
+ } |
|
675 |
+ } |
|
676 |
+ |
|
677 |
+ // Cancels the animation |
|
678 |
+ function stop() { |
|
679 |
+ clearTimeout( animationTimeout ); |
|
680 |
+ } |
|
681 |
+ |
|
682 |
+ // Starts the animation |
|
683 |
+ step(); |
|
684 |
+ |
|
685 |
+ |
|
686 |
+ /// API: /////////////////////////////////// |
|
687 |
+ |
|
688 |
+ return { |
|
689 |
+ stop: stop |
|
690 |
+ }; |
|
691 |
+ })(); |
|
692 |
+ }, |
|
693 |
+ |
|
694 |
+ /** |
|
695 |
+ * Extend object a with the properties of object b. |
|
696 |
+ * If there's a conflict, object b takes precedence. |
|
697 |
+ */ |
|
698 |
+ extend: function( a, b ) { |
|
699 |
+ for( var i in b ) { |
|
700 |
+ a[ i ] = b[ i ]; |
|
701 |
+ } |
|
702 |
+ }, |
|
703 |
+ |
|
704 |
+ /** |
|
705 |
+ * Prefixes a style property with the correct vendor. |
|
706 |
+ */ |
|
707 |
+ prefix: function( property, el ) { |
|
708 |
+ var propertyUC = property.slice( 0, 1 ).toUpperCase() + property.slice( 1 ), |
|
709 |
+ vendors = [ 'Webkit', 'Moz', 'O', 'ms' ]; |
|
710 |
+ |
|
711 |
+ for( var i = 0, len = vendors.length; i < len; i++ ) { |
|
712 |
+ var vendor = vendors[i]; |
|
713 |
+ |
|
714 |
+ if( typeof ( el || document.body ).style[ vendor + propertyUC ] !== 'undefined' ) { |
|
715 |
+ return vendor + propertyUC; |
|
716 |
+ } |
|
717 |
+ } |
|
718 |
+ |
|
719 |
+ return property; |
|
720 |
+ }, |
|
721 |
+ |
|
722 |
+ /** |
|
723 |
+ * Adds a class to the target element. |
|
724 |
+ */ |
|
725 |
+ addClass: function( element, name ) { |
|
726 |
+ element.className = element.className.replace( /\s+$/gi, '' ) + ' ' + name; |
|
727 |
+ }, |
|
728 |
+ |
|
729 |
+ /** |
|
730 |
+ * Removes a class from the target element. |
|
731 |
+ */ |
|
732 |
+ removeClass: function( element, name ) { |
|
733 |
+ element.className = element.className.replace( name, '' ); |
|
734 |
+ }, |
|
735 |
+ |
|
736 |
+ /** |
|
737 |
+ * Adds an event listener in a browser safe way. |
|
738 |
+ */ |
|
739 |
+ bindEvent: function( element, ev, fn ) { |
|
740 |
+ if( element.addEventListener ) { |
|
741 |
+ element.addEventListener( ev, fn, false ); |
|
742 |
+ } |
|
743 |
+ else { |
|
744 |
+ element.attachEvent( 'on' + ev, fn ); |
|
745 |
+ } |
|
746 |
+ }, |
|
747 |
+ |
|
748 |
+ /** |
|
749 |
+ * Removes an event listener in a browser safe way. |
|
750 |
+ */ |
|
751 |
+ unbindEvent: function( element, ev, fn ) { |
|
752 |
+ if( element.removeEventListener ) { |
|
753 |
+ element.removeEventListener( ev, fn, false ); |
|
754 |
+ } |
|
755 |
+ else { |
|
756 |
+ element.detachEvent( 'on' + ev, fn ); |
|
757 |
+ } |
|
758 |
+ }, |
|
759 |
+ |
|
760 |
+ bindEventOnce: function ( element, ev, fn ) { |
|
761 |
+ var me = this; |
|
762 |
+ var listener = function() { |
|
763 |
+ me.unbindEvent( element, ev, listener ); |
|
764 |
+ fn.apply( this, arguments ); |
|
765 |
+ }; |
|
766 |
+ this.bindEvent( element, ev, listener ); |
|
767 |
+ }, |
|
768 |
+ |
|
769 |
+ /** |
|
770 |
+ * Dispatches an event of the specified type from the |
|
771 |
+ * menu DOM element. |
|
772 |
+ */ |
|
773 |
+ dispatchEvent: function( element, type, properties ) { |
|
774 |
+ if( element ) { |
|
775 |
+ var event = document.createEvent( "HTMLEvents", 1, 2 ); |
|
776 |
+ event.initEvent( type, true, true ); |
|
777 |
+ Meny.extend( event, properties ); |
|
778 |
+ element.dispatchEvent( event ); |
|
779 |
+ } |
|
780 |
+ }, |
|
781 |
+ |
|
782 |
+ /** |
|
783 |
+ * Retrieves query string as a key/value hash. |
|
784 |
+ */ |
|
785 |
+ getQuery: function() { |
|
786 |
+ var query = {}; |
|
787 |
+ |
|
788 |
+ location.search.replace( /[A-Z0-9]+?=([\w|:|\/\.]*)/gi, function(a) { |
|
789 |
+ query[ a.split( '=' ).shift() ] = a.split( '=' ).pop(); |
|
790 |
+ } ); |
|
791 |
+ |
|
792 |
+ return query; |
|
793 |
+ } |
|
794 |
+ |
|
795 |
+}; |
|
796 |
+ |
|
797 |
+return Meny; |
|
798 |
+ |
|
799 |
+})); |