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 remoteImage,
          uploadImage;
  
      window.onload = function () {
          initTabs();
          initAlign();
          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'));
              });
          }
  
          var img = editor.selection.getRange().getClosedNode();
          if (img && img.tagName && img.tagName.toLowerCase() == 'img') {
              setTabFocus('remote');
          } else {
              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 'remote':
                  remoteImage = remoteImage || new RemoteImage();
                  break;
              case 'upload':
                  setAlign(editor.getOpt('imageInsertAlign'));
                  uploadImage = uploadImage || new UploadImage('queueList');
                  break;
          }
      }
  
      /* 初始化onok事件 */
      function initButtons() {
  
          dialog.onok = function () {
              var remote = false, 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 'remote':
                      list = remoteImage.getInsertList();
                      break;
                  case 'upload':
                      list = uploadImage.getInsertList();
                      var count = uploadImage.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;
              }
  
              if(list) {
                  editor.execCommand('insertimage', list);
                  remote && editor.fireEvent("catchRemoteImage");
              }
          };
      }
  
  
      /* 初始化对其方式的点击事件 */
      function initAlign(){
          /* 点击align图标 */
          domUtils.on($G("alignIcon"), 'click', function(e){
              var target = e.target || e.srcElement;
              if(target.className && target.className.indexOf('-align') != -1) {
                  setAlign(target.getAttribute('data-align'));
              }
          });
      }
  
      /* 设置对齐方式 */
      function setAlign(align){
          align = align || 'none';
          var aligns = $G("alignIcon").children;
          for(i = 0; i < aligns.length; i++){
              if(aligns[i].getAttribute('data-align') == align) {
                  domUtils.addClass(aligns[i], 'focus');
                  $G("align").value = aligns[i].getAttribute('data-align');
              } else {
                  domUtils.removeClasses(aligns[i], 'focus');
              }
          }
      }
      /* 获取对齐方式 */
      function getAlign(){
          var align = $G("align").value || 'none';
          return align == 'none' ? '':align;
      }
  
  
      /* 在线图片 */
      function RemoteImage(target) {
          this.container = utils.isString(target) ? document.getElementById(target) : target;
          this.init();
      }
      RemoteImage.prototype = {
          init: function () {
              this.initContainer();
              this.initEvents();
          },
          initContainer: function () {
              this.dom = {
                  'url': $G('url'),
                  'width': $G('width'),
                  'height': $G('height'),
                  'border': $G('border'),
                  'vhSpace': $G('vhSpace'),
                  'title': $G('title'),
                  'align': $G('align')
              };
              var img = editor.selection.getRange().getClosedNode();
              if (img) {
                  this.setImage(img);
              }
          },
          initEvents: function () {
              var _this = this,
                  locker = $G('lock');
  
              /* 改变url */
              domUtils.on($G("url"), 'keyup', updatePreview);
              domUtils.on($G("border"), 'keyup', updatePreview);
              domUtils.on($G("title"), 'keyup', updatePreview);
  
              domUtils.on($G("width"), 'keyup', function(){
                  updatePreview();
                  if(locker.checked) {
                      var proportion =locker.getAttribute('data-proportion');
                      $G('height').value = Math.round(this.value / proportion);
                  } else {
                      _this.updateLocker();
                  }
              });
              domUtils.on($G("height"), 'keyup', function(){
                  updatePreview();
                  if(locker.checked) {
                      var proportion =locker.getAttribute('data-proportion');
                      $G('width').value = Math.round(this.value * proportion);
                  } else {
                      _this.updateLocker();
                  }
              });
              domUtils.on($G("lock"), 'change', function(){
                  var proportion = parseInt($G("width").value) /parseInt($G("height").value);
                  locker.setAttribute('data-proportion', proportion);
              });
  
              function updatePreview(){
                  _this.setPreview();
              }
          },
          updateLocker: function(){
              var width = $G('width').value,
                  height = $G('height').value,
                  locker = $G('lock');
              if(width && height && width == parseInt(width) && height == parseInt(height)) {
                  locker.disabled = false;
                  locker.title = '';
              } else {
                  locker.checked = false;
                  locker.disabled = 'disabled';
                  locker.title = lang.remoteLockError;
              }
          },
          setImage: function(img){
              /* 不是正常的图片 */
              if (!img.tagName || img.tagName.toLowerCase() != 'img' && !img.getAttribute("src") || !img.src) return;
  
              var wordImgFlag = img.getAttribute("word_img"),
                  src = wordImgFlag ? wordImgFlag.replace("&amp;", "&") : (img.getAttribute('_src') || img.getAttribute("src", 2).replace("&amp;", "&")),
                  align = editor.queryCommandValue("imageFloat");
  
              /* 防止onchange事件循环调用 */
              if (src !== $G("url").value) $G("url").value = src;
              if(src) {
                  /* 设置表单内容 */
                  $G("width").value = img.width || '';
                  $G("height").value = img.height || '';
                  $G("border").value = img.getAttribute("border") || '0';
                  $G("vhSpace").value = img.getAttribute("vspace") || '0';
                  $G("title").value = img.title || img.alt || '';
                  setAlign(align);
                  this.setPreview();
                  this.updateLocker();
              }
          },
          getData: function(){
              var data = {};
              for(var k in this.dom){
                  data[k] = this.dom[k].value;
              }
              return data;
          },
          setPreview: function(){
              var url = $G('url').value,
                  ow = parseInt($G('width').value, 10) || 0,
                  oh = parseInt($G('height').value, 10) || 0,
                  border = parseInt($G('border').value, 10) || 0,
                  title = $G('title').value,
                  preview = $G('preview'),
                  width,
                  height;
  
              url = utils.unhtmlForUrl(url);
              title = utils.unhtml(title);
  
              width = ((!ow || !oh) ? preview.offsetWidth:Math.min(ow, preview.offsetWidth));
              width = width+(border*2) > preview.offsetWidth ? width:(preview.offsetWidth - (border*2));
              height = (!ow || !oh) ? '':width*oh/ow;
  
              if(url) {
                  preview.innerHTML = '<img src="' + url + '" width="' + width + '" height="' + height + '" border="' + border + 'px solid #000" title="' + title + '" />';
              }
          },
          getInsertList: function () {
              var data = this.getData();
              if(data['url']) {
                  return [{
                      src: data['url'],
                      _src: data['url'],
                      width: data['width'] || '',
                      height: data['height'] || '',
                      border: data['border'] || '',
                      floatStyle: data['align'] || '',
                      vspace: data['vhSpace'] || '',
                      title: data['title'] || '',
                      alt: data['title'] || '',
                      style: "width:" + data['width'] + "px;height:" + data['height'] + "px;"
                  }];
              } else {
                  return [];
              }
          }
      };
  
  
  
      /* 上传图片 */
      function UploadImage(target) {
          this.$wrap = target.constructor == String ? $('#' + target) : $(target);
          this.init();
      }
      UploadImage.prototype = {
          init: function () {
              this.imageList = [];
              this.initContainer();
              this.initUploader();
          },
          initContainer: function () {
              this.$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,
                  acceptExtensions = (editor.getOpt('imageAllowFiles') || []).join('').replace(/\./g, ',').replace(/^[,]/, ''),
                  imageMaxSize = editor.getOpt('imageMaxSize'),
                  imageCompressBorder = editor.getOpt('imageCompressBorder');
  
              if (!WebUploader.Uploader.support()) {
                  $('#filePickerReady').after($('<div>').html(lang.errorNotSupport)).hide();
                  return;
              }
  
              uploader = _this.uploader = WebUploader.create({
                  pick: {
                      id: '#filePickerReady',
                      label: lang.uploadSelectFile
                  },
                  accept: {
                      title: 'Images',
                      extensions: acceptExtensions,
                      mimeTypes: 'image/jpg,image/jpeg,image/png'
                  },
                  swf: '../../third-party/webuploader/Uploader.swf',
                  server: editor.getOpt('qiniuUploadUrl') ,
                  fileVal: editor.getOpt('imageFieldName'),
                  duplicate: true,
                  fileSingleSizeLimit: imageMaxSize,    // 默认 2 M
                  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 (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':
                          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';
                  $.ajax({
                      url : editor.getOpt('qiniuUploadTokenApi') ,
                      async:false ,
                      dataType:'json',
                      success:function(ret){
                          data['token'] = ret.uptoken
                      }
                  })
  
              });
  
              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);
                      json.url= editor.getOpt('qiniuCDN') +json.url;
                      if (json.state == 'SUCCESS') {
                          _this.imageList.push(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();
                  }
              });
  
              $upload.addClass('state-' + state);
              updateTotalProgress();
          },
          getQueueCount: function () {
              var file, i, status, readyFile = 0, files = this.uploader.getFiles();
              for (i = 0; file = files[i++]; ) {
                  status = file.getStatus();
                  if (status == 'queued' || status == 'uploading' || status == 'progress') readyFile++;
              }
              return readyFile;
          },
          destroy: function () {
              this.$wrap.remove();
          },
          getInsertList: function () {
              var i, data, list = [],
                  align = getAlign(),
                  prefix = editor.getOpt('imageUrlPrefix');
              for (i = 0; i < this.imageList.length; i++) {
                  data = this.imageList[i];
                  list.push({
                      src: prefix + data.url,
                      _src: prefix + data.url,
                      title: data.title,
                      alt: data.original,
                      floatStyle: align
                  });
              }
              return list;
          }
      };
  
  
  })();
  