text: /**
   * User: Jinqn
   * Date: 14-04-08
   * Time: 下午16:34
   * 上传图片对话框逻辑代码,包括tab: 远程图片/上传图片/在线图片/搜索图片
   */
  
  (function () {
  
      var uploadFile,
          onlineFile;
  
      window.onload = function () {
          initTabs();
          initButtons();
      };
  
      /* 初始化tab标签 */
      function initTabs() {
          var tabs = $G('tabhead').children;
          for (var i = 0; i < tabs.length; i++) {
              domUtils.on(tabs[i], "click", function (e) {
                  var target = e.target || e.srcElement;
                  setTabFocus(target.getAttribute('data-content-id'));
              });
          }
  
          setTabFocus('upload');
      }
  
      /* 初始化tabbody */
      function setTabFocus(id) {
          if(!id) return;
          var i, bodyId, tabs = $G('tabhead').children;
          for (i = 0; i < tabs.length; i++) {
              bodyId = tabs[i].getAttribute('data-content-id')
              if (bodyId == id) {
                  domUtils.addClass(tabs[i], 'focus');
                  domUtils.addClass($G(bodyId), 'focus');
              } else {
                  domUtils.removeClasses(tabs[i], 'focus');
                  domUtils.removeClasses($G(bodyId), 'focus');
              }
          }
          switch (id) {
              case 'upload':
                  uploadFile = uploadFile || new UploadFile('queueList');
                  break;
              case 'online':
                  onlineFile = onlineFile || new OnlineFile('fileList');
                  break;
          }
      }
  
      /* 初始化onok事件 */
      function initButtons() {
  
          dialog.onok = function () {
              var list = [], id, tabs = $G('tabhead').children;
              for (var i = 0; i < tabs.length; i++) {
                  if (domUtils.hasClass(tabs[i], 'focus')) {
                      id = tabs[i].getAttribute('data-content-id');
                      break;
                  }
              }
  
              switch (id) {
                  case 'upload':
                      list = uploadFile.getInsertList();
                      var count = uploadFile.getQueueCount();
                      if (count) {
                          $('.info', '#queueList').html('<span style="color:red;">' + '还有2个未上传文件'.replace(/[\d]/, count) + '</span>');
                          return false;
                      }
                      break;
                  case 'online':
                      list = onlineFile.getInsertList();
                      break;
              }
  
              editor.execCommand('insertfile', list);
          };
      }
  
  
      /* 上传附件 */
      function UploadFile(target) {
          this.$wrap = target.constructor == String ? $('#' + target) : $(target);
          this.init();
      }
      UploadFile.prototype = {
          init: function () {
              this.fileList = [];
              this.initContainer();
              this.initUploader();
          },
          initContainer: function () {
              this.$queue = this.$wrap.find('.filelist');
          },
          /* 初始化容器 */
          initUploader: function () {
              var _this = this,
                  $ = jQuery,    // just in case. Make sure it's not an other libaray.
                  $wrap = _this.$wrap,
              // 图片容器
                  $queue = $wrap.find('.filelist'),
              // 状态栏，包括进度和控制按钮
                  $statusBar = $wrap.find('.statusBar'),
              // 文件总体选择信息。
                  $info = $statusBar.find('.info'),
              // 上传按钮
                  $upload = $wrap.find('.uploadBtn'),
              // 上传按钮
                  $filePickerBtn = $wrap.find('.filePickerBtn'),
              // 上传按钮
                  $filePickerBlock = $wrap.find('.filePickerBlock'),
              // 没选择文件之前的内容。
                  $placeHolder = $wrap.find('.placeholder'),
              // 总体进度条
                  $progress = $statusBar.find('.progress').hide(),
              // 添加的文件数量
                  fileCount = 0,
              // 添加的文件总大小
                  fileSize = 0,
              // 优化retina, 在retina下这个值是2
                  ratio = window.devicePixelRatio || 1,
              // 缩略图大小
                  thumbnailWidth = 113 * ratio,
                  thumbnailHeight = 113 * ratio,
              // 可能有pedding, ready, uploading, confirm, done.
                  state = '',
              // 所有文件的进度信息，key为file id
                  percentages = {},
                  supportTransition = (function () {
                      var s = document.createElement('p').style,
                          r = 'transition' in s ||
                              'WebkitTransition' in s ||
                              'MozTransition' in s ||
                              'msTransition' in s ||
                              'OTransition' in s;
                      s = null;
                      return r;
                  })(),
              // WebUploader实例
                  uploader,
                  actionUrl = editor.getActionUrl(editor.getOpt('fileActionName')),
                  fileMaxSize = editor.getOpt('fileMaxSize'),
                  acceptExtensions = (editor.getOpt('fileAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, '');;
  
              if (!WebUploader.Uploader.support()) {
                  $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide();
                  return;
              } else if (!editor.getOpt('fileActionName')) {
                  $('#filePickerReady').after($('<div>').html(lang.errorLoadConfig)).hide();
                  return;
              }
  
              uploader = _this.uploader = WebUploader.create({
                  pick: {
                      id: '#filePickerReady',
                      label: lang.uploadSelectFile
                  },
                  swf: '../../third-party/webuploader/Uploader.swf',
                  server: actionUrl,
                  fileVal: editor.getOpt('fileFieldName'),
                  duplicate: true,
                  fileSingleSizeLimit: fileMaxSize,
                  compress: false
              });
              uploader.addButton({
                  id: '#filePickerBlock'
              });
              uploader.addButton({
                  id: '#filePickerBtn',
                  label: lang.uploadAddFile
              });
  
              setState('pedding');
  
              // 当有文件添加进来时执行，负责view的创建
              function addFile(file) {
                  var $li = $('<li id="' + file.id + '">' +
                          '<p class="title">' + file.name + '</p>' +
                          '<p class="imgWrap"></p>' +
                          '<p class="progress"><span></span></p>' +
                          '</li>'),
  
                      $btns = $('<div class="file-panel">' +
                          '<span class="cancel">' + lang.uploadDelete + '</span>' +
                          '<span class="rotateRight">' + lang.uploadTurnRight + '</span>' +
                          '<span class="rotateLeft">' + lang.uploadTurnLeft + '</span></div>').appendTo($li),
                      $prgress = $li.find('p.progress span'),
                      $wrap = $li.find('p.imgWrap'),
                      $info = $('<p class="error"></p>').hide().appendTo($li),
  
                      showError = function (code) {
                          switch (code) {
                              case 'exceed_size':
                                  text = lang.errorExceedSize;
                                  break;
                              case 'interrupt':
                                  text = lang.errorInterrupt;
                                  break;
                              case 'http':
                                  text = lang.errorHttp;
                                  break;
                              case 'not_allow_type':
                                  text = lang.errorFileType;
                                  break;
                              default:
                                  text = lang.errorUploadRetry;
                                  break;
                          }
                          $info.text(text).show();
                      };
  
                  if (file.getStatus() === 'invalid') {
                      showError(file.statusText);
                  } else {
                      $wrap.text(lang.uploadPreview);
                      if ('|png|jpg|jpeg|bmp|gif|'.indexOf('|'+file.ext.toLowerCase()+'|') == -1) {
                          $wrap.empty().addClass('notimage').append('<i class="file-preview file-type-' + file.ext.toLowerCase() + '"></i>' +
                          '<span class="file-title" title="' + file.name + '">' + file.name + '</span>');
                      } else {
                          if (browser.ie && browser.version <= 7) {
                              $wrap.text(lang.uploadNoPreview);
                          } else {
                              uploader.makeThumb(file, function (error, src) {
                                  if (error || !src) {
                                      $wrap.text(lang.uploadNoPreview);
                                  } else {
                                      var $img = $('<img src="' + src + '">');
                                      $wrap.empty().append($img);
                                      $img.on('error', function () {
                                          $wrap.text(lang.uploadNoPreview);
                                      });
                                  }
                              }, thumbnailWidth, thumbnailHeight);
                          }
                      }
                      percentages[ file.id ] = [ file.size, 0 ];
                      file.rotation = 0;
  
                      /* 检查文件格式 */
                      if (!file.ext || acceptExtensions.indexOf(file.ext.toLowerCase()) == -1) {
                          showError('not_allow_type');
                          uploader.removeFile(file);
                      }
                  }
  
                  file.on('statuschange', function (cur, prev) {
                      if (prev === 'progress') {
                          $prgress.hide().width(0);
                      } else if (prev === 'queued') {
                          $li.off('mouseenter mouseleave');
                          $btns.remove();
                      }
                      // 成功
                      if (cur === 'error' || cur === 'invalid') {
                          showError(file.statusText);
                          percentages[ file.id ][ 1 ] = 1;
                      } else if (cur === 'interrupt') {
                          showError('interrupt');
                      } else if (cur === 'queued') {
                          percentages[ file.id ][ 1 ] = 0;
                      } else if (cur === 'progress') {
                          $info.hide();
                          $prgress.css('display', 'block');
                      } else if (cur === 'complete') {
                      }
  
                      $li.removeClass('state-' + prev).addClass('state-' + cur);
                  });
  
                  $li.on('mouseenter', function () {
                      $btns.stop().animate({height: 30});
                  });
                  $li.on('mouseleave', function () {
                      $btns.stop().animate({height: 0});
                  });
  
                  $btns.on('click', 'span', function () {
                      var index = $(this).index(),
                          deg;
  
                      switch (index) {
                          case 0:
                              uploader.removeFile(file);
                              return;
                          case 1:
                              file.rotation += 90;
                              break;
                          case 2:
                              file.rotation -= 90;
                              break;
                      }
  
                      if (supportTransition) {
                          deg = 'rotate(' + file.rotation + 'deg)';
                          $wrap.css({
                              '-webkit-transform': deg,
                              '-mos-transform': deg,
                              '-o-transform': deg,
                              'transform': deg
                          });
                      } else {
                          $wrap.css('filter', 'progid:DXImageTransform.Microsoft.BasicImage(rotation=' + (~~((file.rotation / 90) % 4 + 4) % 4) + ')');
                      }
  
                  });
  
                  $li.insertBefore($filePickerBlock);
              }
  
              // 负责view的销毁
              function removeFile(file) {
                  var $li = $('#' + file.id);
                  delete percentages[ file.id ];
                  updateTotalProgress();
                  $li.off().find('.file-panel').off().end().remove();
              }
  
              function updateTotalProgress() {
                  var loaded = 0,
                      total = 0,
                      spans = $progress.children(),
                      percent;
  
                  $.each(percentages, function (k, v) {
                      total += v[ 0 ];
                      loaded += v[ 0 ] * v[ 1 ];
                  });
  
                  percent = total ? loaded / total : 0;
  
                  spans.eq(0).text(Math.round(percent * 100) + '%');
                  spans.eq(1).css('width', Math.round(percent * 100) + '%');
                  updateStatus();
              }
  
              function setState(val, files) {
  
                  if (val != state) {
  
                      var stats = uploader.getStats();
  
                      $upload.removeClass('state-' + state);
                      $upload.addClass('state-' + val);
  
                      switch (val) {
  
                          /* 未选择文件 */
                          case 'pedding':
                              $queue.addClass('element-invisible');
                              $statusBar.addClass('element-invisible');
                              $placeHolder.removeClass('element-invisible');
                              $progress.hide(); $info.hide();
                              uploader.refresh();
                              break;
  
                          /* 可以开始上传 */
                          case 'ready':
                              $placeHolder.addClass('element-invisible');
                              $queue.removeClass('element-invisible');
                              $statusBar.removeClass('element-invisible');
                              $progress.hide(); $info.show();
                              $upload.text(lang.uploadStart);
                              uploader.refresh();
                              break;
  
                          /* 上传中 */
                          case 'uploading':
                              $progress.show(); $info.hide();
                              $upload.text(lang.uploadPause);
                              break;
  
                          /* 暂停上传 */
                          case 'paused':
                              $progress.show(); $info.hide();
                              $upload.text(lang.uploadContinue);
                              break;
  
                          case 'confirm':
                              $progress.show(); $info.hide();
                              $upload.text(lang.uploadStart);
  
                              stats = uploader.getStats();
                              if (stats.successNum && !stats.uploadFailNum) {
                                  setState('finish');
                                  return;
                              }
                              break;
  
                          case 'finish':
                              $progress.hide(); $info.show();
                              if (stats.uploadFailNum) {
                                  $upload.text(lang.uploadRetry);
                              } else {
                                  $upload.text(lang.uploadStart);
                              }
                              break;
                      }
  
                      state = val;
                      updateStatus();
  
                  }
  
                  if (!_this.getQueueCount()) {
                      $upload.addClass('disabled')
                  } else {
                      $upload.removeClass('disabled')
                  }
  
              }
  
              function updateStatus() {
                  var text = '', stats;
  
                  if (state === 'ready') {
                      text = lang.updateStatusReady.replace('_', fileCount).replace('_KB', WebUploader.formatSize(fileSize));
                  } else if (state === 'confirm') {
                      stats = uploader.getStats();
                      if (stats.uploadFailNum) {
                          text = lang.updateStatusConfirm.replace('_', stats.successNum).replace('_', stats.successNum);
                      }
                  } else {
                      stats = uploader.getStats();
                      text = lang.updateStatusFinish.replace('_', fileCount).
                          replace('_KB', WebUploader.formatSize(fileSize)).
                          replace('_', stats.successNum);
  
                      if (stats.uploadFailNum) {
                          text += lang.updateStatusError.replace('_', stats.uploadFailNum);
                      }
                  }
  
                  $info.html(text);
              }
  
              uploader.on('fileQueued', function (file) {
                  fileCount++;
                  fileSize += file.size;
  
                  if (fileCount === 1) {
                      $placeHolder.addClass('element-invisible');
                      $statusBar.show();
                  }
  
                  addFile(file);
              });
  
              uploader.on('fileDequeued', function (file) {
                  fileCount--;
                  fileSize -= file.size;
  
                  removeFile(file);
                  updateTotalProgress();
              });
  
              uploader.on('filesQueued', function (file) {
                  if (!uploader.isInProgress() && (state == 'pedding' || state == 'finish' || state == 'confirm' || state == 'ready')) {
                      setState('ready');
                  }
                  updateTotalProgress();
              });
  
              uploader.on('all', function (type, files) {
                  switch (type) {
                      case 'uploadFinished':
                          setState('confirm', files);
                          break;
                      case 'startUpload':
                          /* 添加额外的GET参数 */
                          var params = utils.serializeParam(editor.queryCommandValue('serverparam')) || '',
                              url = utils.formatUrl(actionUrl + (actionUrl.indexOf('?') == -1 ? '?':'&') + 'encode=utf-8&' + params);
                          uploader.option('server', url);
                          setState('uploading', files);
                          break;
                      case 'stopUpload':
                          setState('paused', files);
                          break;
                  }
              });
  
              uploader.on('uploadBeforeSend', function (file, data, header) {
                  //这里可以通过data对象添加POST参数
                  header['X_Requested_With'] = 'XMLHttpRequest';
              });
  
              uploader.on('uploadProgress', function (file, percentage) {
                  var $li = $('#' + file.id),
                      $percent = $li.find('.progress span');
  
                  $percent.css('width', percentage * 100 + '%');
                  percentages[ file.id ][ 1 ] = percentage;
                  updateTotalProgress();
              });
  
              uploader.on('uploadSuccess', function (file, ret) {
                  var $file = $('#' + file.id);
                  try {
                      var responseText = (ret._raw || ret),
                          json = utils.str2json(responseText);
                      if (json.state == 'SUCCESS') {
                          /*_this.fileList.push(json);*/
                          /*附件按照添加顺序上传*/
                          _this.fileList[$file.index()] = json;
                          $file.append('<span class="success"></span>');
                      } else {
                          $file.find('.error').text(json.state).show();
                      }
                  } catch (e) {
                      $file.find('.error').text(lang.errorServerUpload).show();
                  }
              });
  
              uploader.on('uploadError', function (file, code) {
              });
              uploader.on('error', function (code, file) {
                  if (code == 'Q_TYPE_DENIED' || code == 'F_EXCEED_SIZE') {
                      addFile(file);
                  }
              });
              uploader.on('uploadComplete', function (file, ret) {
              });
  
              $upload.on('click', function () {
                  if ($(this).hasClass('disabled')) {
                      return false;
                  }
  
                  if (state === 'ready') {
                      uploader.upload();
                  } else if (state === 'paused') {
                      uploader.upload();
                  } else if (state === 'uploading') {
                      uploader.stop();
                  }
              });
  
              $upload.addClass('state-' + state);
              updateTotalProgress();
          },
          getQueueCount: function () {
              var file, i, status, readyFile = 0, files = this.uploader.getFiles();
              for (i = 0; file = files[i++]; ) {
                  status = file.getStatus();
                  if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++;
              }
              return readyFile;
          },
          getInsertList: function () {
              var i, link, data, list = [],
                  prefix = editor.getOpt('fileUrlPrefix');
              for (i = 0; i < this.fileList.length; i++) {
                  data = this.fileList[i];
                  link = data.url;
                  list.push({
                      title: data.original || link.substr(link.lastIndexOf('/') + 1),
                      url: prefix + link
                  });
              }
              return list;
          }
      };
  
  
      /* 在线附件 */
      function OnlineFile(target) {
          this.container = utils.isString(target) ? document.getElementById(target) : target;
          this.init();
      }
      OnlineFile.prototype = {
          init: function () {
              this.initContainer();
              this.initEvents();
              this.initData();
          },
          /* 初始化容器 */
          initContainer: function () {
              this.container.innerHTML = '';
              this.list = document.createElement('ul');
              this.clearFloat = document.createElement('li');
  
              domUtils.addClass(this.list, 'list');
              domUtils.addClass(this.clearFloat, 'clearFloat');
  
              this.list.appendChild(this.clearFloat);
              this.container.appendChild(this.list);
          },
          /* 初始化滚动事件,滚动到地步自动拉取数据 */
          initEvents: function () {
              var _this = this;
  
              /* 滚动拉取图片 */
              domUtils.on($G('fileList'), 'scroll', function(e){
                  var panel = this;
                  if (panel.scrollHeight - (panel.offsetHeight + panel.scrollTop) < 10) {
                      _this.getFileData();
                  }
              });
              /* 选中图片 */
              domUtils.on(this.list, 'click', function (e) {
                  var target = e.target || e.srcElement,
                      li = target.parentNode;
  
                  if (li.tagName.toLowerCase() == 'li') {
                      if (domUtils.hasClass(li, 'selected')) {
                          domUtils.removeClasses(li, 'selected');
                      } else {
                          domUtils.addClass(li, 'selected');
                      }
                  }
              });
          },
          /* 初始化第一次的数据 */
          initData: function () {
  
              /* 拉取数据需要使用的值 */
              this.state = 0;
              this.listSize = editor.getOpt('fileManagerListSize');
              this.listIndex = 0;
              this.listEnd = false;
  
              /* 第一次拉取数据 */
              this.getFileData();
          },
          /* 向后台拉取图片列表数据 */
          getFileData: function () {
              var _this = this;
  
              if(!_this.listEnd && !this.isLoadingData) {
                  this.isLoadingData = true;
                  ajax.request(editor.getActionUrl(editor.getOpt('fileManagerActionName')), {
                      timeout: 100000,
                      data: utils.extend({
                              start: this.listIndex,
                              size: this.listSize
                          }, editor.queryCommandValue('serverparam')),
                      method: 'get',
                      onsuccess: function (r) {
                          try {
                              var json = eval('(' + r.responseText + ')');
                              if (json.state == 'SUCCESS') {
                                  _this.pushData(json.list);
                                  _this.listIndex = parseInt(json.start) + parseInt(json.list.length);
                                  if(_this.listIndex >= json.total) {
                                      _this.listEnd = true;
                                  }
                                  _this.isLoadingData = false;
                              }
                          } catch (e) {
                              if(r.responseText.indexOf('ue_separate_ue') != -1) {
                                  var list = r.responseText.split(r.responseText);
                                  _this.pushData(list);
                                  _this.listIndex = parseInt(list.length);
                                  _this.listEnd = true;
                                  _this.isLoadingData = false;
                              }
                          }
                      },
                      onerror: function () {
                          _this.isLoadingData = false;
                      }
                  });
              }
          },
          /* 添加图片到列表界面上 */
          pushData: function (list) {
              var i, item, img, filetype, preview, icon, _this = this,
                  urlPrefix = editor.getOpt('fileManagerUrlPrefix');
              for (i = 0; i < list.length; i++) {
                  if(list[i] && list[i].url) {
                      item = document.createElement('li');
                      icon = document.createElement('span');
                      filetype = list[i].url.substr(list[i].url.lastIndexOf('.') + 1);
  
                      if ( "png|jpg|jpeg|gif|bmp".indexOf(filetype) != -1 ) {
                          preview = document.createElement('img');
                          domUtils.on(preview, 'load', (function(image){
                              return function(){
                                  _this.scale(image, image.parentNode.offsetWidth, image.parentNode.offsetHeight);
                              };
                          })(preview));
                          preview.width = 113;
                          preview.setAttribute('src', urlPrefix + list[i].url + (list[i].url.indexOf('?') == -1 ? '?noCache=':'&noCache=') + (+new Date()).toString(36) );
                      } else {
                          var ic = document.createElement('i'),
                              textSpan = document.createElement('span');
                          textSpan.innerHTML = list[i].url.substr(list[i].url.lastIndexOf('/') + 1);
                          preview = document.createElement('div');
                          preview.appendChild(ic);
                          preview.appendChild(textSpan);
                          domUtils.addClass(preview, 'file-wrapper');
                          domUtils.addClass(textSpan, 'file-title');
                          domUtils.addClass(ic, 'file-type-' + filetype);
                          domUtils.addClass(ic, 'file-preview');
                      }
                      domUtils.addClass(icon, 'icon');
                      item.setAttribute('data-url', urlPrefix + list[i].url);
                      if (list[i].original) {
                          item.setAttribute('data-title', list[i].original);
                      }
  
                      item.appendChild(preview);
                      item.appendChild(icon);
                      this.list.insertBefore(item, this.clearFloat);
                  }
              }
          },
          /* 改变图片大小 */
          scale: function (img, w, h, type) {
              var ow = img.width,
                  oh = img.height;
  
              if (type == 'justify') {
                  if (ow >= oh) {
                      img.width = w;
                      img.height = h * oh / ow;
                      img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px';
                  } else {
                      img.width = w * ow / oh;
                      img.height = h;
                      img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px';
                  }
              } else {
                  if (ow >= oh) {
                      img.width = w * ow / oh;
                      img.height = h;
                      img.style.marginLeft = '-' + parseInt((img.width - w) / 2) + 'px';
                  } else {
                      img.width = w;
                      img.height = h * oh / ow;
                      img.style.marginTop = '-' + parseInt((img.height - h) / 2) + 'px';
                  }
              }
          },
          getInsertList: function () {
              var i, lis = this.list.children, list = [];
              for (i = 0; i < lis.length; i++) {
                  if (domUtils.hasClass(lis[i], 'selected')) {
                      var url = lis[i].getAttribute('data-url');
                      var title = lis[i].getAttribute('data-title') || url.substr(url.lastIndexOf('/') + 1);
                      list.push({
                          title: title,
                          url: url
                      });
                  }
              }
              return list;
          }
      };
  
  
  })();