/**
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* Created by weidy on 2019/1/21. 文件预览
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*/
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layui.define(['layer','table','element'],function(exports){
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var Home = function(){
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this.id = "vciFilePreview";
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this.previewFileKey = "";
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this.extraParams = {};
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this.viewtype = "pdf";
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this.viewtypeConstant = {
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/**
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* 与后台的VciFileViewTypeConstant对应
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*/
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PDF:'pdf',
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XPS:'xps',
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COMMON:'common',
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IMAGES:'images',
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AUDIO:'audio',
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VIDEO:'video',
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FLASH:'flash',
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TEXT:'text',
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HTML:'html',
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ACTIVE:'active'
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};
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this.backPath = configData.compatibility?path:configData.filePreviewPath;
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this.url={
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controller:'vciFilePreviewController/',
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ajaxPreview:'ajaxPreview',
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showXps:'showXps',
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showPdf:'showPdf',
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showCommon:'showCommonFile',
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getPdfUrlForIE:'getPdfUrlForIE',
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listLinkeFile:'vciFileQueryController/gridFiles'
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};
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this.config = {};
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};
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Home.prototype.getContent = function(id){
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var that = this;
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return '<div class="layui-index-home layui-fluid" style="overflow:auto;position:absolute;left:5px;top:5px;background-color: #999999;z-index:auto;" id="vciFilePreview_' + id + '"></div>' +
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'<div id="previewinfo_' + id + '" class="layui-layout-east" style="display:block;position:absolute;right:0;margin-top:5px;margin-right:5px;width:340px;height:98%;max-width:340px;min-width:150px;border:1px solid #e1e1e1">' +
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'<div lay-filter="panelFileInfo_' + id + '" class="layui-tab layui-tab-card" lay-allowClose="false" style="margin-top:0px;">'+
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'<ul class="layui-tab-title" lay-allowClose="false">' +
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'</ul>' +
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'<div class="layui-tab-content"></div>' +
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'</div> '+
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'</div> '+
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'</div>';
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};
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Home.prototype.init = function(id,options){
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var that = this;
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var parent ;
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var isInner = false;
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if(options.showType && options.showType == "inner"){
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parent = $("#vciFilePreview_" + id).parent();
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isInner =true;
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}else{
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parent = $(document);
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}
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var width = (options.width?options.width:(isInner?(parent.width()-380):(parent.width()-430)));
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var height =options.height?options.height: (parent.height()-120);
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if(options.hideRightPanel){
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width = $(document).width()-85;
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$("#previewinfo_" + id).hide();
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}
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options.contentStyle = 'max-width: ' + width + 'px;max-height:' + height +'px;width:' + width + "px;height:" + height + "px;";
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window.print = function(){
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return false;
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};
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that.config[id] = options;
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//需要先到后台生成文件
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$webUtil.get(that.url.controller + that.url.ajaxPreview,options,function(result){
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if(result.success){
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that.doShow(id,result.obj,true);
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,err){
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$webUtil.showErrorMsg("下载预览相关的许可出错,可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.doShow = function(id,previewVO,first){
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var that = this;
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//不同的类型的显示方式
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var viewtype = previewVO.viewType;
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var previewFileKey = previewVO.previewKey;
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if(that.viewtypeConstant.XPS == viewtype){
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that.showXps(id,previewFileKey,first);
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}else if(that.viewtypeConstant.PDF == viewtype || that.viewtypeConstant.ACTIVE == viewtype){
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//pdf的预览，对于IE8，IE9需要adobe的控件，如果是其他浏览器，则直接显示
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that.showPdf(id,previewFileKey,first,viewtype);
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}else if(that.viewtypeConstant.IMAGES == viewtype){
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that.showImages(id,previewFileKey,first);
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}else if(that.viewtypeConstant.AUDIO == viewtype || that.viewtypeConstant.VIDEO == viewtype){
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that.showVedioAndAudio(id,previewFileKey,first);
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}else if(that.viewtypeConstant.TEXT == viewtype){
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that.showText(id,previewFileKey,first);
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}else if(that.viewtypeConstant.HTML == viewtype){
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that.showHtml(id,previewFileKey,first);
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}else{
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that.downloadFile(id,previewFileKey,first);
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}
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};
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Home.prototype.downloadFile = function(id,previewFileKey,first){
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//下载文件
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var that = this;
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$webUtil.get(that.url.controller + that.url.showCommon,{filePreviewKey:previewFileKey,viewType:that.viewtypeConstant.COMMON},function(result){
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if(result.success){
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that.replaceIframe(id, '<div style="text-align: center;font-size:20px;height:100px;">这个文件不支持预览，将自动为您下载</div>');
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$webUtil.fileDownload(that.backPath + result.obj);
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("下载预览相关的许可出错,可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.replaceIframe = function(id,html){
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//替换iframe部分的内容
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$("#vciFilePreview_" + id).find("[name='vciFilePreviewContent']").remove();
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$("#vciFilePreview_" + id).prepend(html);
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};
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Home.prototype.showHtml = function(id,previewFileKey,first){
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//显示html
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var that = this;
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$webUtil.get(that.url.controller + that.url.showCommon,{filePreviewKey:previewFileKey,viewType:that.viewtypeConstant.HTML},function(result){
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if(result.success){
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var iframeUrl = that.backPath+ result.obj ;
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that.replaceIframe(id, '<iframe src="' + iframeUrl + '" style="' + that.config[id].contentStyle + '" name="vciFilePreviewContent" frameborder="false" scrolling="none" ></iframe>');
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的路径出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.showText = function(id,previewFileKey,first){
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//显示普通的文本
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var that = this;
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$webUtil.get(that.url.controller + that.url.showCommon,{filePreviewKey:previewFileKey,viewType:that.viewtypeConstant.TEXT},function(result){
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if(result.success){
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var width = ($(document).width()-400);
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var height = ($(document).height()-80);
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var contentStyle = 'max-width: ' + width + 'px;max-height:' + height +'px;width:' + width + "px;height:" + height + "px;";
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that.replaceIframe(id,'<pre class="layui-code" lay-skin="notepad" lay-encode="false" style="' + contentStyle + ';overflow: auto" name="vciFilePreviewContent">' + result.obj +'</pre>');
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的内容出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.showVedioAndAudio =function(id,previewFileKey,first){
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var that = this;
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//视频
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$webUtil.get(that.url.controller + that.url.showCommon,{filePreviewKey:previewFileKey,viewType:that.viewtypeConstant.AUDIO},function(result){
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if(result.success){
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var html = '<object id="player" classid="CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6" name="vciFilePreviewContent" style="' + that.config[id].contentStyle + ';">'+
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'<param name="AutoStart" VALUE="-1">'+
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'<param name="enabled" value="1">'+
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'<param name="EnableContextMenu" VALUE="-1">'+
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'<param name="url" VALUE="' + that.backPath + result.obj + '">'+
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'<param name="volume" value="50">'+
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'</object>';
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that.replaceIframe(id,html);
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的路径出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.showImages = function (id,previewFileKey,first) {
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var that = this;
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//图片
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$webUtil.get(that.url.controller +that.url.showCommon,{filePreviewKey:previewFileKey,viewType:that.viewtypeConstant.IMAGES},function(result){
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if(result.success){
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that.replaceIframe(id,'<img src="' + that.backPath + result.obj + '" style="max-width:' + ($(document).width()-360) + 'px;height:auto;" name="vciFilePreviewContent" />');
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的路径出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.showXps = function(id,previewFileKey,first){
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var that = this;
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$webUtil.get(that.url.controller +that.url.showXps,{xpsPreviewKey:previewFileKey},function(result){
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if(result.success){
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var iframeUrl = that.backPath + result.obj ;
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that.replaceIframe(id, '<iframe src="' + iframeUrl + '" style="' + that.config[id].contentStyle + '" name="vciFilePreviewContent" frameborder="false" scrolling="auto" ></iframe>');
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if(first){
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的路径出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.showPdf = function(id,previewFileKey,first,viewtype){
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var that = this;
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$webUtil.get(that.url.controller +that.url.showPdf,{pdfPreviewKey:previewFileKey},function(result){
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if(result.success){
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//有adobe 和active的方式
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var iframeUrl = that.backPath + result.obj + "?AuthorizationToken=" + $webUtil.getToken() ;
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if(that.isIE()) {
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if (that.viewtypeConstant.ACTIVE == viewtype) {
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//要控制下载的时候，使用这个
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that.replaceIframe(id, '<object id="csocx' + id + '" name="vciFilePreviewContent" style="' + that.config[id].contentStyle + '" classid="clsid:195CA93F-2C9A-4E46-A8B3-D28E8C790954">' +
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'<param name="Url" value="' + iframeUrl + '"></param></object>');
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document.getElementById("csocx" + id).Url = iframeUrl;
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} else {
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if (!that.checkAdobeReaderInstall()) {
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that.replaceIframe(id, projectName + "jslib/layui-2.2.5-debug/lay/filepreview/help.html?viewtype=" + that.viewtype);
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} else {
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that.replaceIframe(id, '<div style="' + that.config[id].contentStyle + '" id="vciFilePreviewContent' + id + '" name="vciFilePreviewContent" ></div>');
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var pdfObject = new PDFObject({
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id: 'vciFilePreviewContent' + id,
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url: iframeUrl,
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pdfOpenParams: {
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scrollbars: '0',
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toolbar: '0',
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statusbar: '0'
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}
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}).embed('vciFilePreviewContent' + id);
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}
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}
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}else{
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//可能是支持HTML5的浏览器，因此使用pdf.js进行展示
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var url = projectName + 'jslib/layui-2.2.5-debug/lay/filepreview/web/viewer.html?file=' +iframeUrl ;
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that.replaceIframe(id,'<iframe src="' + url + '" style="' + that.config[id].contentStyle + '" name="vciFilePreviewContent" frameborder="false" scrolling="auto" ></iframe>');
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}
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if (first) {
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that.initRightPanle(id);
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}
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}else{
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$webUtil.showErrorMsg(result.msg);
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}
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},function(xhr,error){
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$webUtil.showErrorMsg("获取文件的路径出错，可能是文件预览服务没有启动");
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},that.backPath);
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};
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Home.prototype.checkAdobeReaderInstall =function(){
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var activeRender = false;
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//检查pdf是否安装
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for (var i = 2; i < 12; i++) {
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try {
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var activeAdobe = eval("new ActiveXObject('PDF.pdfCtrl." + x + "');");
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if (activeAdobe) {
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activeRender = true;
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break;
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}
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} catch (e) {
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}
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}
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if (!activeRender) {
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//看看acro4
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try {
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var activeAdobe4 = new ActiveXObject("PDF.PdfCtrl.1");
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activeRender = true;
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} catch (e) {
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}
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}
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if (!activeRender) {
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try {
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var activeAdobe7 = new ActiveXObject("AcroPDF.PDF.1");
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activeRender = true;
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} catch (e) {
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}
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}
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return activeRender;
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};
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Home.prototype.initRightPanle = function (id) {
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//初始化右侧的列表和帮助信息
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var that = this;
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var options = that.config[id];
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if(!options.hideRightPanel) {
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layui.element.tabAdd('panelFileInfo_' + id, {
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title: '本业务数据的所有附件',
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id: "tab_allFile_" + id,
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content: '<div id="allfile_' + id + '">' +
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'<div layui-filter="toolbar_' + id + '" class="layui-btn-container"></div>' +
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'<table id="allfile_table_' + id + '" lay-filter="allfile_table_' + id + '" style="overflow-y:auto;"></table>' +
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'</div>'
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});
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that.initFileTable(id);
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layui.element.tabAdd('panelFileInfo_' + id, {
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title: '使用帮助信息',
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id: "tab_preViewHelp_" + id,
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content:that.getHelpContent(options.viewtype)
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});
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layui.element.tabChange('panelFileInfo_' + id, "tab_allFile_" + id);
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$('a[name="vcifilepreviewforlinkfile"]').die().live('click', function () {
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var thisFileNameCell = $(this);
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var linkFileOid = thisFileNameCell.attr("fileoid");
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that.clickNamePREVIEW(id, linkFileOid);
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});
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}
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};
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Home.prototype.getHelpContent = function (viewtype){
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var sUserAgent = navigator.userAgent;
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var that = this;
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var isActive = false;
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if("active" == viewtype){
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isActive = true;
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}
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var downloadUrl = isActive?"/download/VCIPdfViewer.exe":"/download/AdbeRdr920_zh_CN.exe";
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var installHelp = "/download/安装说明.doc";
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var systemInfo = "您的系统是windows:";
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if((navigator.platform == "Win32") || (navigator.platform == "Windows")){
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if(sUserAgent.indexOf("Windows NT 5.1") > -1 ||
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sUserAgent.indexOf("Windows XP") > -1){
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if(isActive) {
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downloadUrl = "/download/vciFilePreview.zip";
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installHelp = "/download/安装说明xp.doc";
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}
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systemInfo = "您的操作系统是windows xp:";
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}
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var html = systemInfo + "</br>";
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if(isActive){
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html += "<a href='javascript:void(0);' docurl='" + projectName + installHelp + "' id='downloadDoc'>点击这里下载【安装说明】</a></br>";
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}else{
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html += "默认提供9.2版本的Adobe Reader，可以自行安装其他版本的Adobe的pdf软件</br>";
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}
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html += "<a href='javascript:void(0);' docurl='" + projectName + downloadUrl + "' id='downloadInstall'>点击这里下载安装文件</a>";
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}else{
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html = ("<br/>您的操作系统不是windows，不需要安装,请使用谷歌浏览器、火狐浏览器或者safari浏览器");
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}
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$("#downloadDoc").unbind("click").click(function(){
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that.doDownload($(this).attr("docurl"));
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});
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$("#downloadInstall").unbind("click").click(function(){
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that.doDownload($(this).attr("docurl"));
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});
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return ['<div style="display:block;text-align: left;padding:20px;">',
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'<p style="color:blue;">1. 建议您使用谷歌浏览器，或者火狐等浏览器查看体验更佳</p>',
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'<hr className="layui-bg-red">',
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'<p style="color:blue;">2. 显示的内容中某些表格等可能会出现显示的格式错误的情况，但是不影响阅读。这种情况下的原文格式是正常的,建议此时直接下载文件</p>',
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'<hr className="layui-bg-red">',
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'<p style="color:blue;">3. 右侧列表中是当前预览文件所属的业务类型下的所有附件，可以直接单击名称就可以查看</p>',
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'<hr className="layui-bg-red">',
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'<p style="color:blue;">4. 需要安装文件预览的程序后才能查看内容，请在下方下载安装程序根据要求安装</p>',
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'<hr className="layui-bg-red">',
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'<p id="downloadP" style="color:red">' ,html ,'</p>',
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'<hr className="layui-bg-red">',
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'</div>'].join('');
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};
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Home.prototype.doDownload = function (url){
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var downIframe = $("<iframe>");
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downIframe.attr("style","display:none;");
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$("body").append(downIframe);
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downIframe.attr("src",url);
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if (downIframe.attachEvent) {
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downIframe.attachEvent("onload",
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function() {
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downIframe.remove();
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});
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} else {
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downIframe.onload = function() {
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downIframe.remove();
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};
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}
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};
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Home.prototype.isIE = function () {
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var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
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//IE11不就算在里面，因为它本身支持H5的方式了
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return /msie/g.test(userAgent.toLowerCase());
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};
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Home.prototype.initFileTable = function(id) {
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var that = this;
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var table = layui.table;
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var columns = [{
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field:'name',
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title:'文件名称',
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width:300,
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templet:function (d) {
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var showName = $webUtil.isNull(d.id)?d.name:d.id;
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return '<a href="javascript:;" name="vcifilepreviewforlinkfile" style="color:#2080da;text-decoration:underline;" compId="' + id +'" fileoid="'
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+ d.oid + '" >'
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+ showName + ($webUtil.isNull(d.fileExtension)?"":("." + d.fileExtension)) + '</a>';
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}
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}];
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var options = that.config[id];
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layui.table.render({
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elem:"#allfile_table_"+id,
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url:that.url.listLinkeFile,
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id:"allfile_table_"+id,
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backPath:configData.fileServicePath,
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where:{
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ownbizOid:options.ownbizOid,
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ownbizBtm:options.ownbizBtm
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},
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cols:[columns],
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height:450
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});
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};
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Home.prototype.clickNamePREVIEW = function(id,linkFileOid){
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var that = this;
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var extraParams={};
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extraParams['linkFileOid'] = linkFileOid;
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extraParams['viewType'] = that.config[id].viewType;
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$webUtil.showProgress("即将开始预览，请等待....");
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$webUtil.post(that.url.controller + that.url.ajaxPreview, extraParams, function (result) {
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$webUtil.closeProgress();
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if (result.success && result.obj) {
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that.doShow(id,result.obj,false);
|
} else {
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$webUtil.showErrorMsg(result.msg);
|
}
|
},function(xhr,error){
|
$webUtil.showErrorMsg("获取文件的许可出错,可能是文件预览服务未启动")
|
});
|
};
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var home = new Home();
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exports('FilePreviewBase',home);
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});
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