From a6b949e31a4c511f25dcf7f0fc0dda2bab862739 Mon Sep 17 00:00:00 2001 From: Victor Häggqvist Date: Wed, 13 Jan 2016 17:05:44 +0100 Subject: basic working click on image --- src/CSSUtil.js | 55 ++++++++ src/LightBox.js | 193 ++++++++++++++++++++++++++ src/Log/Log.js | 52 +++++++ src/Log/LogLevel.js | 9 ++ src/touch-imagelightbox.js | 334 +++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 643 insertions(+) create mode 100644 src/CSSUtil.js create mode 100644 src/LightBox.js create mode 100644 src/Log/Log.js create mode 100644 src/Log/LogLevel.js create mode 100644 src/touch-imagelightbox.js (limited to 'src') diff --git a/src/CSSUtil.js b/src/CSSUtil.js new file mode 100644 index 0000000..f08a0da --- /dev/null +++ b/src/CSSUtil.js @@ -0,0 +1,55 @@ +/** + * Created by Victor Häggqvist on 1/12/16. + */ + +export class CSSUtil { + + /** + * transion need to be set on property + * + * using key-value dont work + * + * @param ele + * @param value + */ + static setTransitionProperty(ele, value) { + if (ele.transition === '') { + ele.transition = value; + return; + } + if (ele.WebkitTransition === '') { + ele.WebkitTransition = value; + return; + } + if (ele.MozTransition === '') { + ele.MozTransition = value; + return; + } + if (ele.OTransition === '') { + ele.OTransition = value; + } + } + + static cssTransitionSupport() { + let d = document.body || document.documentElement, s = d.style; + if (s.WebkitTransition === '') + return '-webkit-'; + if (s.MozTransition === '') + return '-moz-'; + if (s.OTransition === '') + return '-o-'; + if (s.transition === '') + return ''; + return false; + } + + static cssTransitionTranslateX(element, positionX, speed) { + let options = {}; + let prefix = CSSUtil.cssTransitionSupport(); + element.style[prefix + 'transform'] = 'translateX(' + positionX + ')'; + element.style[prefix + 'transition'] = prefix + 'transform ' + speed + 's linear'; + //element.style = Object.assign(options, element.style); + } + +} +CSSUtil.isCssTransitionSupport = CSSUtil.cssTransitionSupport() !== false; diff --git a/src/LightBox.js b/src/LightBox.js new file mode 100644 index 0000000..15d2cdd --- /dev/null +++ b/src/LightBox.js @@ -0,0 +1,193 @@ +/** + * Created by Victor Häggqvist on 1/12/16. + */ + +import {CSSUtil} from './CSSUtil' +import {Log as L} from './Log/Log' +import {animate} from './animate' +import {FetchImage} from './FetchImage' + + +export class LightBox { + + constructor(targetSelector, options = {}) { + this.targets = document.querySelectorAll(targetSelector); + + const defaultOptions = { + allowedTypes: 'png|jpg|jpeg|gif', + animationSpeed: 250, + preloadNext: true, + enableKeyboard: true, + quitOnEnd: false, + quitOnImgClick: false, + quitOnDocClick: true, + onStart: false, + onEnd: false, + onLoadStart: false, + onLoadEnd: false + }; + + this.options = Object.assign(options, defaultOptions); + console.log(this.options); + + this.target = null; + this.image = document.createElement('img'); + this.imageWidth = 0; + this.imageHeight = 0; + this.swipeDiff = 0; + this.inProgress = false; + + this.bindEvents(); + } + + bindEvents() { + console.log(this.targets); + + Array.prototype.forEach.call(this.targets, ele => { + ele.onclick = this.onImageClick.bind(this) + }); + window.addEventListener('resize', this.windowResizeListener.bind(this)); + } + + onImageClick(event) { + console.log(event); + let element = event.srcElement.parentElement; + //console.log(this.isTargetValid(element)); + if (!this.isTargetValid(element)) return true; + + event.preventDefault(); + + if (this.inProgress) return; + + this.inProgress = false; + + if (this.options.onStart !== false ) this.options.onStart(); + + this.target = element; + + this.loadImage(); + } + + isTargetValid(element) { + let validTypes = new RegExp("(\.("+this.options.allowedTypes+")$)"); + + //console.log(element.tagName.toLowerCase()); + return element.tagName.toLowerCase() === 'a' && validTypes.test(element.href); + + //return $( element ).prop( 'tagName' ).toLowerCase() === 'a' && options.regexValidObject.test($(element).attr('href') ); + } + + loadImage(direction = false) { + L.l('loadImage'); + L.l(this.inProgress); + if (this.inProgress) return false; + L.l('not progress'); + // if image.length + //if () + + this.inProgress = true; + if (this.options.onLoadStart !== false) this.options.onLoadStart(); + + setTimeout(() => { + L.l('loadImage in'); + FetchImage(this.target.href).then(image => { + this.image = image; + image.id='imagelightbox'; + console.log(image); + + //let image = new Image(); + //image.src = this.target.href; + + L.l(image); + document.body.appendChild(image); + //image.appendTo('body'); + L.d('setImage'); + this.setImage(); + + var params = {opacity: 1}; + image.style.opacity = 0; + + let prefix = CSSUtil.cssTransitionSupport(); + CSSUtil.setTransitionProperty(image.style, 'opacity .3s linear'); + //image.style[prefix + 'transform'] = 'opacity 25s linear'; + //image.style.transition = 'opacity .3s linear'; + image.style.transform = 'translateX(0px)'; + + setTimeout(() => { + // without timeout it's to fast to make it fade and just jumps to 1 instant + image.style.opacity = 1; + }, 5); + + if (this.options.preloadNext) { + console.log(this.options.preloadNext); + Array.prototype.forEach.call(this.targets, (t) => { + if (t == this.target) { + console.log(t); + console.log('match'); + } + }); + // + ////this.targets. + //let nextTarget = targets.eq(targets.index(target) + 1); + //if (!nextTarget.length) nextTarget = targets.eq(0); + //$('').attr('src', nextTarget.attr('href')).load(); + } + + + this.image = image; + }); + }, this.options.animationSpeed + 100) + } + + //static animate(elem,style,unit,from,to,time) { + // if( !elem) return; + // var start = new Date().getTime(), + // timer = setInterval(function() { + // var step = Math.min(1,(new Date().getTime()-start)/time); + // elem.style[style] = (from+step*(to-from))+unit; + // if( step == 1) clearInterval(timer); + // },25); + // elem.style[style] = from+unit; + //} + + //animate(id, direction, value, end, speed) { + // var div = document.getElementById(id); + // interval = setInterval(function() { + // if (+(div.style) === end) { + // clearInterval(interval); + // return false; + // } + // div.style[direction] += value; // or -= as per your needs + // }, speed); + //} + + setImage() { + L.l(this.image); + if (!this.image) return false; + + let screenWidth = window.innerWidth * 0.8; + let screenHeight = window.innerHeight * 0.9; + + let tmpImage = new Image(); + tmpImage.src = this.image.src; + tmpImage.onload = () => { + this.imageWidth = tmpImage.width; + this.imageHeight = tmpImage.height; + + if (this.imageWidth > screenWidth || this.imageHeight > screenHeight) { + let ratio = this.imageWidth / this.imageHeight > screenWidth / screenHeight ? this.imageWidth / screenWidth : this.imageHeight / screenHeight; + this.imageWidth /= ratio; + this.imageHeight /= ratio; + } + + this.image.style.width = this.imageWidth + 'px'; + this.image.style.height = this.imageHeight + 'px'; + this.image.style.top = (window.innerHeight - this.imageHeight) / 2 + 'px'; + this.image.style.left = (window.innerWidth - this.imageWidth) / 2 + 'px'; + }; + } + + windowResizeListener() { + console.log('resized') + } +} diff --git a/src/Log/Log.js b/src/Log/Log.js new file mode 100644 index 0000000..e01d9dc --- /dev/null +++ b/src/Log/Log.js @@ -0,0 +1,52 @@ +/** + * Created by Victor Häggqvist on 1/12/16. + */ + +import {LogLevel} from './LogLevel' + +export class Log { + + //var instance = null; + static init() { + Log.level = LogLevel.DEBUG; + } + + static silence() { + Log.level = LogLevel.SILENT; + } + + static l(msg) { + Log.log(msg, 'log'); + } + + static w(msg) { + Log.log(msg, 'warn'); + } + + static d(msg) { + Log.log(msg, 'debug'); + //console.debug(Log.explode(msg)); + } + + static log(args, type='log') { + let baked = Log.explode(args); + + if (Log.level === LogLevel.SILENT) return; + + switch (type) { + case 'info': return console.info(baked); + case 'log': return console.log(baked); + case 'warn': return console.warn(baked); + case 'debug': return console.debug(baked); + } + + } + + static explode(args) { + if (!Array.isArray(args)) { + return args; + } + + return args; + } +} diff --git a/src/Log/LogLevel.js b/src/Log/LogLevel.js new file mode 100644 index 0000000..23ba8f9 --- /dev/null +++ b/src/Log/LogLevel.js @@ -0,0 +1,9 @@ +/** + * Created by Victor Häggqvist on 1/12/16. + */ + +export class LogLevel {} +LogLevel.SILENT = 0; +LogLevel.INFO = 1; +LogLevel.VERBOSE = 1; +LogLevel.DEBUG = 1; diff --git a/src/touch-imagelightbox.js b/src/touch-imagelightbox.js new file mode 100644 index 0000000..f5bbe2f --- /dev/null +++ b/src/touch-imagelightbox.js @@ -0,0 +1,334 @@ +/*jslint browser: true*/ +;( function( $, window, document, undefined ) { + 'use strict'; + var options, + cssTransitionSupport = function() { + var d = document.body || document.documentElement, s = d.style; + if ( s.WebkitTransition === '' ) + return '-webkit-'; + if ( s.MozTransition === '' ) + return '-moz-'; + if ( s.OTransition === '' ) + return '-o-'; + if ( s.transition === '' ) + return ''; + return false; + }, + + isCssTransitionSupport = cssTransitionSupport() === false ? false : true, + + cssTransitionTranslateX = function( element, positionX, speed ) { + options = {}; + var prefix = cssTransitionSupport(); + options[ prefix + 'transform' ] = 'translateX(' + positionX + ')'; + options[ prefix + 'transition' ] = prefix + 'transform ' + speed + 's linear'; + element.css( options ); + }, + + hasTouch = ( 'ontouchstart' in window ), + hasPointers = window.navigator.pointerEnabled || window.navigator.msPointerEnabled, + wasTouched = function( event ) { + if( hasTouch ) + return true; + + if( !hasPointers || typeof event === 'undefined' || typeof event.pointerType === 'undefined' ) + return false; + + if( typeof event.MSPOINTER_TYPE_MOUSE !== 'undefined' ) { + if( event.MSPOINTER_TYPE_MOUSE !== event.pointerType ) + return true; + } else { + if( event.pointerType !== 'mouse' ) + return true; + } + + return false; + }; + + $.fn.imageLightbox = function( options ) { + options = $.extend( + { + selector: 'id="imagelightbox"', + allowedTypes: 'png|jpg|jpeg|gif', + animationSpeed: 250, + preloadNext: true, + enableKeyboard: true, + quitOnEnd: false, + quitOnImgClick: false, + quitOnDocClick: true, + onStart: false, + onEnd: false, + onLoadStart: false, + onLoadEnd: false + }, + options); + + var targets = $([]), + target = $(), + image = $(), + imageWidth = 0, + imageHeight = 0, + swipeDiff = 0, + inProgress = false, + + isTargetValid = function( element ) { + /*jshint -W044*/ + options.regexValidObject = new RegExp("(\.("+options.allowedTypes+")$)"); + /*jshint +W044*/ + return $( element ).prop( 'tagName' ).toLowerCase() === 'a' && options.regexValidObject.test($(element).attr('href') ); + }, + + setImage = function() { + if( !image.length ) return false; + + var screenWidth = $( window ).width() * 0.8, + screenHeight = $( window ).height() * 0.9, + tmpImage = new Image(); + + tmpImage.src = image.attr( 'src' ); + tmpImage.onload = function() { + imageWidth = tmpImage.width; + imageHeight = tmpImage.height; + + if( imageWidth > screenWidth || imageHeight > screenHeight ) { + var ratio = imageWidth / imageHeight > screenWidth / screenHeight ? imageWidth / screenWidth : imageHeight / screenHeight; + imageWidth /= ratio; + imageHeight /= ratio; + } + + image.css( + { + 'width': imageWidth + 'px', + 'height': imageHeight + 'px', + 'top': ( $( window ).height() - imageHeight ) / 2 + 'px', + 'left': ( $( window ).width() - imageWidth ) / 2 + 'px' + } + ); + }; + }, + + loadImage = function( direction ) { + if( inProgress ) return false; + + direction = typeof direction === 'undefined' ? false : direction === 'left' ? 1 : -1; + + // BIG if + if( image.length ) { + if( direction !== false && + ( targets.length < 2 || + ( options.quitOnEnd === true && + ( + ( direction === -1 && + targets.index( target ) === 0 + ) || + ( direction === 1 && + targets.index( target ) === targets.length - 1 + ) ) ) ) + ) + { + quitLightbox(); + return false; + } + var params = { 'opacity': 0 }; + if( isCssTransitionSupport ){ + cssTransitionTranslateX( image, ( 100 * direction ) - swipeDiff + 'px', options.animationSpeed / 1000 ); + } else { + params.left = parseInt( image.css( 'left' ) ) + 100 * direction + 'px'; + } + image.animate( params, options.animationSpeed, function(){ removeImage(); }); + swipeDiff = 0; + } + + inProgress = true; + if( options.onLoadStart !== false ) options.onLoadStart(); + + setTimeout( function() { + image = $( '' ) + .attr( 'src', target.attr( 'href' ) ) + .load( function() + { + image.appendTo( 'body' ); + setImage(); + + var params = { 'opacity': 1 }; + + image.css( 'opacity', 0 ); + if( isCssTransitionSupport ) + { + cssTransitionTranslateX( image, -100 * direction + 'px', 0 ); + setTimeout( function(){ + cssTransitionTranslateX( image, 0 + 'px', options.animationSpeed / 1000 ); + }, 50 ); + } + else + { + var imagePosLeft = parseInt( image.css( 'left' ) ); + params.left = imagePosLeft + 'px'; + image.css( 'left', imagePosLeft - 100 * direction + 'px' ); + } + + image.animate( params, options.animationSpeed, function() + { + inProgress = false; + if( options.onLoadEnd !== false ) options.onLoadEnd(); + }); + if( options.preloadNext ) + { + var nextTarget = targets.eq( targets.index( target ) + 1 ); + if( !nextTarget.length ) nextTarget = targets.eq( 0 ); + $( '' ).attr( 'src', nextTarget.attr( 'href' ) ).load(); + } + }) + .error( function() { + if( options.onLoadEnd !== false ) + options.onLoadEnd(); + }); + + var swipeStart = 0, + swipeEnd = 0, + imagePosLeft = 0; + + image.on( hasPointers ? 'pointerup MSPointerUp' : 'click', function( e ) { + e.preventDefault(); + if( options.quitOnImgClick ) { + quitLightbox(); + return false; + } + + if( wasTouched( e.originalEvent ) ) + return true; + + var posX = ( e.pageX || e.originalEvent.pageX ) - e.target.offsetLeft; + target = targets.eq( targets.index( target ) - ( imageWidth / 2 > posX ? 1 : -1 ) ); + + if( !target.length ) + target = targets.eq( imageWidth / 2 > posX ? targets.length : 0 ); + + loadImage( imageWidth / 2 > posX ? 'left' : 'right' ); + }) + .on( 'touchstart pointerdown MSPointerDown', function( e ) { + if( !wasTouched( e.originalEvent ) || options.quitOnImgClick ) + return true; + if( isCssTransitionSupport ) + imagePosLeft = parseInt( image.css( 'left' ) ); + + swipeStart = e.originalEvent.pageX || e.originalEvent.touches[ 0 ].pageX; + }) + .on( 'touchmove pointermove MSPointerMove', function( e ) { + if( !wasTouched( e.originalEvent ) || options.quitOnImgClick ) + return true; + + e.preventDefault(); + swipeEnd = e.originalEvent.pageX || e.originalEvent.touches[ 0 ].pageX; + swipeDiff = swipeStart - swipeEnd; + + if( isCssTransitionSupport ) + cssTransitionTranslateX( image, -swipeDiff + 'px', 0 ); + else + image.css( 'left', imagePosLeft - swipeDiff + 'px' ); + }) + .on( 'touchend touchcancel pointerup MSPointerUp', function( e ) { + if( !wasTouched( e.originalEvent ) || options.quitOnImgClick ) + return true; + if( Math.abs( swipeDiff ) > 50 ) { + target = targets.eq( targets.index( target ) - ( swipeDiff < 0 ? 1 : -1 ) ); + + if( !target.length ) + target = targets.eq( swipeDiff < 0 ? targets.length : 0 ); + loadImage( swipeDiff > 0 ? 'right' : 'left' ); + } else { + if( isCssTransitionSupport ) + cssTransitionTranslateX( image, 0 + 'px', options.animationSpeed / 1000 ); + else + image.animate({ 'left': imagePosLeft + 'px' }, options.animationSpeed / 2 ); + } + }); + + }, options.animationSpeed + 100 ); + }, + + removeImage = function() { + if( !image.length ) + return false; + image.remove(); + image = $(); + }, + + quitLightbox = function() { + if( !image.length ) + return false; + image.animate({ 'opacity': 0 }, options.animationSpeed, function() { + removeImage(); + inProgress = false; + if( options.onEnd !== false ) + options.onEnd(); + }); + }; + + $( window ).on( 'resize', setImage ); + + if( options.quitOnDocClick ) { + $( document ).on( hasTouch ? 'touchend' : 'click', function( e ) { + if( image.length && !$( e.target ).is( image ) ) quitLightbox(); + }); + } + + if( options.enableKeyboard ) { + $( document ).on( 'keyup', function( e ) { + if( !image.length ) + return true; + + e.preventDefault(); + + if( e.keyCode === 27 ) + quitLightbox(); + + if( e.keyCode === 37 || e.keyCode === 39 ) { + target = targets.eq( targets.index( target ) - ( e.keyCode === 37 ? 1 : -1 ) ); + + if( !target.length ) + target = targets.eq( e.keyCode === 37 ? targets.length : 0 ); + + loadImage( e.keyCode === 37 ? 'left' : 'right' ); + } + }); + } + + $( document ).on( 'click', this.selector, function( e ) { + if( !isTargetValid( this ) ) + return true; + e.preventDefault(); + + if( inProgress ) + return false; + inProgress = false; + + if( options.onStart !== false ) + options.onStart(); + target = $( this ); + loadImage(); + }); + + this.each( function() { + if( !isTargetValid( this ) ) return true; + targets = targets.add( $( this ) ); + }); + + this.switchImageLightbox = function( index ) { + var tmpTarget = targets.eq( index ); + if( tmpTarget.length ) { + var currentIndex = targets.index( target ); + target = tmpTarget; + loadImage( index < currentIndex ? 'left' : 'right' ); + } + return this; + }; + + this.quitImageLightbox = function() { + quitLightbox(); + return this; + }; + + return this; + }; +})( jQuery, window, document ); -- cgit v1.2.3