413 lines
15 KiB
JavaScript
413 lines
15 KiB
JavaScript
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/*
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* @copyright QiaoQiaoShiDai Internet Technology(Shanghai)Co.,Ltd
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* @license https://www.oaooa.com/licenses/
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*
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* @link https://www.oaooa.com
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* @author zyx(zyx@oaooa.com)
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<img src="" data-original="" data-download="">
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*/
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(function($,document,window) {
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$.fn.dzzthumb = function(options) {
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var defaults = {
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root: 'body',
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selector: 'img[data-original]',
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container: $('body'),
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allowdownload:0 ,//是否允许下载按钮
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callback:null,
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event:'click'
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},
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opts = $.extend(defaults, options),
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angle = 0,
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scale=1,
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$imgs=[],
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current = 0;
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$imgs[opts['root']] = $(this);
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$imgs[opts['root']].off(opts['event']+'.'+opts['root']).on(opts['event']+'.'+opts['root'], function() {
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var self = this;
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$imgs[opts['root']].each(function(index) {
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if(this == self) current = index;
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});
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setupDom();
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showContent();
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return false;
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});
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var setupDom = function() {
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$('html,body').addClass('dzzthumb_body');
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if(!document.getElementById('MsgContainer')) {
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$('<div id="MsgContainer" style=" background: url(dzz/images/b.gif); z-index:99999;width:100%;height:100%;margin:0;padding:0; right: 0px; bottom: 0px;position: fixed; top:0px; left: 0px;"></div>').appendTo(opts['container']);
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} else {
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$('#MsgContainer').empty().show();
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}
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$('#MsgContainer').on('contextmenu',function(){
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return false;
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});
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var html = '';
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html += '<div id="preview_Container" style="position:absolute;width:100%;height:100%;top:0px;left:0px;bottom:0px;right:0px;display:none;z-index:10000">';
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html += '<div id="preview-box" class="preview-box">';
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html += ' <div class="preview-handle" style="z-index: 118;"><b data_title="ESC'+__lang.logout+'" btn="close" class="pr-close">ESC'+__lang.logout+'</b></div>';
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html += ' <div id="btn_hand" class="preview-panel" style="z-index: 117;">';
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html += ' <ul id="contents-panel" style="right:55px;" class="contents-panel">';
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html += ' <li btn="rotate" ><i class="pr-rotate"></i><b>'+__lang.rotation+'</b></li>';
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//html+=' <li class="hidden-xs" btn="collect" ><i class="pr-save"></i><b>保存到我的文档</b></li>';
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if(opts.allowdownload){
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html += ' <li class="hidden-xs hide" btn="download" ><i class="pr-download"></i><b>'+__lang.download+'</b></li>';
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html += ' <li btn="newwindow" class="hide" ><i class="pr-newwindow"></i><b>'+__lang.look_artwork+'</b></li>';
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}
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html += ' </ul>';
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html += ' <div id="file_name" class="previewer-filename hidden-xs"></div>';
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html += ' </div>';
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html += ' <div id="con" class="preview-contents">';
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html += ' <div class="pr-btn-switch">';
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html += ' <b data_title="'+__lang.keyboard+'“←”'+__lang.key_on+'" btn="prev" class="pr-btn-prev" style="z-index: 116;" >'+__lang.on_a+'</b>';
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html += ' <b data_title="'+__lang.keyboard+'“→”'+__lang.key_under+'" btn="next" class="pr-btn-next" style="z-index: 116;">'+__lang.under_a+'</b>';
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html += ' </div>';
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html += ' <div id="pre_loading" style="display: none;" class="previewer-loading">'+__lang.loading_in+'</div>';
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html += ' <div id="previewer-photo" class="previewer-photo" style="overflow: visible; z-index: 114; display: none; left: 0px; top: 40px;"></div>';
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html += ' </div>';
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html += '</div>';
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html += '<div id="prev-tips" class="prev-tips" >'+__lang.keyboard+'“←”'+__lang.key_on+'</div>';
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html += '<div id="next-tips" class="next-tips">'+__lang.keyboard+'“→”'+__lang.key_under+'</div>';
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html += '<div id="close-tips" class="esc-tips">ESC'+__lang.logout+'</div>';
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html += '<div id="popup-hint" style="z-index: 999999999; top: 50%; left:50%;margin-left:-86px; display:none;" class="popup-hint">';
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html += ' <i rel="type" class="hint-icon hint-inf-m"></i>';
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html += ' <em class="sl"><b></b></em>';
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html += ' <span rel="con">'+__lang.has_last_picture1+'</span>';
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html += ' <em class="sr"><b></b></em>';
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html += '</div>';
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html += '</div>';
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$(html).appendTo('#MsgContainer');
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$.getScript('static/js/jquery.mousewheel.min.js');
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if($imgs[opts['root']].length<=1){
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$('.pr-btn-prev').hide();
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$('.pr-btn-next').hide();
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}else{
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if(current==0){
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$('.pr-btn-prev').hide();
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$('.pr-btn-next').show();
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}else if(current==$imgs[opts['root']].length-1){
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$('.pr-btn-prev').show();
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$('.pr-btn-next').hide();
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}else{
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$('.pr-btn-prev').show();
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$('.pr-btn-next').show();
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}
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}
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$('#preview_Container').css({ height: '100%', width: '100%' }).show();
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$('#preview-box b').on('mouseenter', function() {
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var btn = $(this).attr('btn');
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$('#' + btn + '-tips').show();
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});
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$('#preview-box b').on('mouseleave', function() {
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var btn = $(this).attr('btn');
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$('#' + btn + '-tips').hide();
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});
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$(document).on('keyup.'+opts['root'], function(event) {
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var e;
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if(event.which != "") { e = event.which; } else if(event.charCode != "") { e = event.charCode; } else if(event.keyCode != "") { e = event.keyCode; }
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switch(e) {
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case 27: //Ctrl + Alt + ←
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$(document).off('.'+opts['root']);
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$('#MsgContainer').empty().hide();
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break;
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case 37: //Ctrl + Alt + ←
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if(current == 0) {
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$('#popup-hint').find('span').html(__lang.has_last_picture);
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$('#popup-hint').show();
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window.setTimeout(function() { $('#popup-hint').hide(); }, 3000);
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}else if(current == 1) {
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current = current - 1;
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$('.pr-btn-prev').hide();
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if($imgs[opts['root']].length>1) $('.pr-btn-next').show();
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showContent();
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} else {
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current = current - 1;
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showContent();
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if($imgs[opts['root']].length>1){
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$('.pr-btn-next').show();
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$('.pr-btn-prev').show();
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}
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}
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break;
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case 39: //Ctrl + Alt + →
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if(current == $imgs[opts['root']].length - 1) {
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$('#popup-hint').find('span').html(__lang.has_last_picture1);
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$('#popup-hint').show();
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window.setTimeout(function() { $('#popup-hint').hide(); }, 3000);
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}else if(current == $imgs[opts['root']].length - 2) {
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current = current + 1;
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$('.pr-btn-next').hide();
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if($imgs[opts['root']].length>1) $('.pr-btn-prev').show();
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showContent();
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} else {
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current = current + 1;
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showContent();
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if($imgs[opts['root']].length>1){
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$('.pr-btn-next').show();
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$('.pr-btn-prev').show();
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}
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}
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break;
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}
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});
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$('#previewer-photo').on('click.'+opts['root'], function() {
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$(document).off('.'+opts['root']);
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$('#MsgContainer').empty().hide();
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$('html,body').removeClass('dzzthumb_body');
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});
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$('#MsgContainer [btn],#previewer-photo').on('click.'+opts['root'], function() {
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var btn = $(this).attr('btn');
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switch(btn) {
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case "close":
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$(document).off('.'+opts['root']);
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$('#MsgContainer').empty().hide();
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$('html,body').removeClass('dzzthumb_body');
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break;
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case "prev":
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if(current == 0) {
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$('#popup-hint').find('span').html(__lang.has_last_picture);
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$('#popup-hint').show();
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window.setTimeout(function() { $('#popup-hint').hide(); }, 3000);
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}else if(current == 1) {
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current = current - 1;
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$('.pr-btn-prev').hide();
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if($imgs[opts['root']].length>1) $('.pr-btn-next').show();
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showContent();
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} else {
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current = current - 1;
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showContent();
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if($imgs[opts['root']].length>1){
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$('.pr-btn-next').show();
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$('.pr-btn-prev').show();
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}
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}
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jQuery(document).trigger('showIcos_done');
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break;
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case "next":
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if(current == $imgs[opts['root']].length - 1) {
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$('#popup-hint').find('span').html(__lang.has_last_picture1);
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$('#popup-hint').show();
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window.setTimeout(function() { $('#popup-hint').hide(); }, 3000);
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}else if(current == $imgs[opts['root']].length - 2) {
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current = current + 1;
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$('.pr-btn-next').hide();
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if($imgs[opts['root']].length>1) $('.pr-btn-prev').show();
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showContent();
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} else {
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current = current + 1;
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showContent();
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if($imgs[opts['root']].length>1){
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$('.pr-btn-next').show();
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$('.pr-btn-prev').show();
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}
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}
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break;
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case "download":
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var img = $imgs[opts['root']].get(current);
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//var dpath = $(img).data('dpath');
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var url = $(img).data('download');//downurl + '&path=' + dpath;
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if(!url) break;
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if(!document.getElementById('hideframe')) {
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$('<iframe id="hideframe" name="hideframe" src="about:blank" frameborder="0" marginheight="0" marginwidth="0" width="0" height="0" allowtransparency="true" style="display:none;z-index:-99999"></iframe>').appendTo('body');
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}
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$('#hideframe').attr('src', url);
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break;
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case "newwindow":
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var $img = $($imgs[opts['root']].get(current));
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if($img.data('original')){
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var original_img=$img.data('original');
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window.open(original_img);
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}
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break;
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case "rotate":
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var el = $('#previewer-photo img');
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angle += 90;
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var rotation = ((angle % 360) / 90);
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if(scale!=1){
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el.css('transform','rotate('+angle+'deg) scale('+scale.toFixed(1)+')');
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el.css({ 'transform': 'rotate(' + (angle) + 'deg) scale('+scale.toFixed(1)+')', '-webkit-transform': 'rotate(' + (angle) + 'deg) scale('+scale.toFixed(1)+')', '-moz-transform': 'rotate(' + (angle) + 'deg) scale('+scale.toFixed(1)+')', '-o-transform': 'rotate(' + (angle) + 'deg) scale('+scale.toFixed(1)+')', '-ms-transform': 'rotate(' + (angle) + 'deg) scale('+scale.toFixed(1)+')' });
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}else{
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el.css({ 'transform': 'rotate(' + (angle) + 'deg)', '-webkit-transform': 'rotate(' + (angle) + 'deg)', '-moz-transform': 'rotate(' + (angle) + 'deg)', '-o-transform': 'rotate(' + (angle) + 'deg)', '-ms-transform': 'rotate(' + (angle) + 'deg)' });
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}
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break;
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}
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return false;
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});
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}
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var showContent = function() {
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var img = $imgs[opts['root']].get(current);
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angle=0;
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$('#file_name').html(img.title);
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$('#popup-hint').hide();
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$('#previewer-photo').empty().hide();
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if(!$(img).data('download')){
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$('#contents-panel li[btn="newwindow"],#contents-panel li[btn="download"]').addClass('hide');
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}else{
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$('#contents-panel li[btn="newwindow"],#contents-panel li[btn="download"]').removeClass('hide');
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}
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$('#pre_loading').show();
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var el = $('#previewer-photo');
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var screenWidth = opts['container'].width();
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var screenHeight = opts['container'].height();
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imgReady($(img).data('original'), function() {
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var width = 0;
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var height = 0;
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var imgw = this.width * 1;
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var imgh = this.height * 1;
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var bodyWidth = screenWidth - 6;
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var bodyHeight = screenHeight - $('#btn_hand').height() - 6;
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var ratio = bodyWidth / bodyHeight;
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var ratio1 = imgw / imgh;
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if(ratio > ratio1) {
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if(bodyHeight < imgh) {
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height = bodyHeight;
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width = imgw / imgh * bodyHeight;
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} else {
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width = imgw;
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height = imgh;
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}
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} else {
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if(bodyWidth < imgw) {
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width = bodyWidth;
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height = imgh / imgw * bodyWidth;
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} else {
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width = imgw;
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height = imgh;
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}
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}
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var left = (screenWidth - width) / 2;
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var top = (bodyHeight - height) / 2;
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var el1 = $('<img height="' + height + '" width="' + width + '" style="cursor: move; top: ' + top + 'px; transform: rotate(0deg); left: ' + left + 'px;" src="' + $(img).data('original') + '" ws_property="1" onload="$(\'#pre_loading\').fadeOut();$(\'#previewer-photo\').show();" >').appendTo(el);
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el1.get(0).onmousedown = function(event) { try {dragMenu(el1.get(0), event, 1); } catch(e) {} };
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el1.on('click', function() { return false });
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try{
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$('#previewer-photo').off('mousewheel.preview').on('mousewheel.preview','',function(e,delta, deltaX, deltaY){
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pic_resize(delta,imgw,imgh,$(img).data('original'));
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return false;
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});
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}catch(e){};
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});
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if(opts.callback)opts.callback(current,img)
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};
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var pic_resize=function(delta,imgw,imgh,src){
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|||
|
|
if(delta>=0) delta=1;
|
|||
|
|
else delta=-1;
|
|||
|
|
var el = $('#previewer-photo');
|
|||
|
|
var step=Math.max(imgw/900,imgh/900);
|
|||
|
|
var $img=el.find('img');
|
|||
|
|
var width=parseInt($img.attr('width'));
|
|||
|
|
var height=parseInt($img.attr('height'));
|
|||
|
|
|
|||
|
|
var el=$('#previewer-photo>img');
|
|||
|
|
var dx=delta*0.5;
|
|||
|
|
if(dx>1) dx=1;
|
|||
|
|
if(delta<0){
|
|||
|
|
scale+=dx;
|
|||
|
|
if(scale<0.1) scale=0.1
|
|||
|
|
}else{
|
|||
|
|
scale+=dx;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*if(width*scale>imgw || height*scale>imgh){
|
|||
|
|
if($img.attr('ismax')!='1'){
|
|||
|
|
$img.attr('ismax',1).attr('src',src+'&original=1');
|
|||
|
|
}
|
|||
|
|
}*/
|
|||
|
|
if(angle){
|
|||
|
|
el.css('transform','rotate('+angle+'deg) scale('+scale.toFixed(1)+')');
|
|||
|
|
}else{
|
|||
|
|
el.css('transform',"scale("+scale.toFixed(1)+")");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
var imgReady = (function() {
|
|||
|
|
var list = [],
|
|||
|
|
intervalId = null,
|
|||
|
|
|
|||
|
|
// 用来执行队列
|
|||
|
|
tick = function() {
|
|||
|
|
var i = 0;
|
|||
|
|
for(; i < list.length; i++) {
|
|||
|
|
list[i].end ? list.splice(i--, 1) : list[i]();
|
|||
|
|
}
|
|||
|
|
!list.length && stop();
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
// 停止所有定时器队列
|
|||
|
|
stop = function() {
|
|||
|
|
clearInterval(intervalId);
|
|||
|
|
intervalId = null;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return function(url, ready, load, error) {
|
|||
|
|
var onready, width, height, newWidth, newHeight,
|
|||
|
|
img = new Image();
|
|||
|
|
|
|||
|
|
img.src = url;
|
|||
|
|
|
|||
|
|
// 如果图片被缓存，则直接返回缓存数据
|
|||
|
|
if(img.complete) {
|
|||
|
|
ready.call(img);
|
|||
|
|
load && load.call(img);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
width = img.width;
|
|||
|
|
height = img.height;
|
|||
|
|
|
|||
|
|
// 加载错误后的事件
|
|||
|
|
img.onerror = function() {
|
|||
|
|
error && error.call(img);
|
|||
|
|
onready.end = true;
|
|||
|
|
img = img.onload = img.onerror = null;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// 图片尺寸就绪
|
|||
|
|
onready = function() {
|
|||
|
|
newWidth = img.width;
|
|||
|
|
newHeight = img.height;
|
|||
|
|
if(newWidth !== width || newHeight !== height ||
|
|||
|
|
// 如果图片已经在其他地方加载可使用面积检测
|
|||
|
|
newWidth * newHeight > 1024
|
|||
|
|
) {
|
|||
|
|
ready.call(img);
|
|||
|
|
onready.end = true;
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
onready();
|
|||
|
|
|
|||
|
|
// 完全加载完毕的事件
|
|||
|
|
img.onload = function() {
|
|||
|
|
// onload在定时器时间差范围内可能比onready快
|
|||
|
|
// 这里进行检查并保证onready优先执行
|
|||
|
|
!onready.end && onready();
|
|||
|
|
|
|||
|
|
load && load.call(img);
|
|||
|
|
|
|||
|
|
// IE gif动画会循环执行onload，置空onload即可
|
|||
|
|
img = img.onload = img.onerror = null;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// 加入队列中定期执行
|
|||
|
|
if(!onready.end) {
|
|||
|
|
list.push(onready);
|
|||
|
|
// 无论何时只允许出现一个定时器，减少浏览器性能损耗
|
|||
|
|
if(intervalId === null) intervalId = setInterval(tick, 40);
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
})();
|
|||
|
|
//var btnClick=
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
})(jQuery,document,window);
|