docs/source/swfupload.queue.html

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   2 <head>\r
   3   <title>The source code</title>\r
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   8     <pre class="prettyprint lang-js">/*\r
   9         Queue Plug-in\r
  10         \r
  11         Features:\r
  12                 *Adds a cancelQueue() method for cancelling the entire queue.\r
  13                 *All queued files are uploaded when startUpload() is called.\r
  14                 *If false is returned from uploadComplete then the queue upload is stopped.\r
  15                  If false is not returned (strict comparison) then the queue upload is continued.\r
  16                 *Adds a QueueComplete event that is fired when all the queued files have finished uploading.\r
  17                  Set the event handler with the queue_complete_handler setting.\r
  18                 \r
  19         */\r
  20 \r
  21 var SWFUpload;\r
  22 if (typeof(SWFUpload) === "function") {\r
  23         SWFUpload.queue = {};\r
  24         \r
  25         SWFUpload.prototype.initSettings = (function (oldInitSettings) {\r
  26                 return function () {\r
  27                         if (typeof(oldInitSettings) === "function") {\r
  28                                 oldInitSettings.call(this);\r
  29                         }\r
  30                         \r
  31                         this.queueSettings = {};\r
  32                         \r
  33                         this.queueSettings.queue_cancelled_flag = false;\r
  34                         this.queueSettings.queue_upload_count = 0;\r
  35                         \r
  36                         this.queueSettings.user_upload_complete_handler = this.settings.upload_complete_handler;\r
  37                         this.queueSettings.user_upload_start_handler = this.settings.upload_start_handler;\r
  38                         this.settings.upload_complete_handler = SWFUpload.queue.uploadCompleteHandler;\r
  39                         this.settings.upload_start_handler = SWFUpload.queue.uploadStartHandler;\r
  40                         \r
  41                         this.settings.queue_complete_handler = this.settings.queue_complete_handler || null;\r
  42                 };\r
  43         })(SWFUpload.prototype.initSettings);\r
  44 \r
  45         SWFUpload.prototype.startUpload = function (fileID) {\r
  46                 this.queueSettings.queue_cancelled_flag = false;\r
  47                 this.callFlash("StartUpload", [fileID]);\r
  48         };\r
  49 \r
  50         SWFUpload.prototype.cancelQueue = function () {\r
  51                 this.queueSettings.queue_cancelled_flag = true;\r
  52                 this.stopUpload();\r
  53                 \r
  54                 var stats = this.getStats();\r
  55                 while (stats.files_queued > 0) {\r
  56                         this.cancelUpload();\r
  57                         stats = this.getStats();\r
  58                 }\r
  59         };\r
  60         \r
  61         SWFUpload.queue.uploadStartHandler = function (file) {\r
  62                 var returnValue;\r
  63                 if (typeof(this.queueSettings.user_upload_start_handler) === "function") {\r
  64                         returnValue = this.queueSettings.user_upload_start_handler.call(this, file);\r
  65                 }\r
  66                 \r
  67                 // To prevent upload a real "FALSE" value must be returned, otherwise default to a real "TRUE" value.\r
  68                 returnValue = (returnValue === false) ? false : true;\r
  69                 \r
  70                 this.queueSettings.queue_cancelled_flag = !returnValue;\r
  71 \r
  72                 return returnValue;\r
  73         };\r
  74         \r
  75         SWFUpload.queue.uploadCompleteHandler = function (file) {\r
  76                 var user_upload_complete_handler = this.queueSettings.user_upload_complete_handler;\r
  77                 var continueUpload;\r
  78                 \r
  79                 if (file.filestatus === SWFUpload.FILE_STATUS.COMPLETE) {\r
  80                         this.queueSettings.queue_upload_count++;\r
  81                 }\r
  82 \r
  83                 if (typeof(user_upload_complete_handler) === "function") {\r
  84                         continueUpload = (user_upload_complete_handler.call(this, file) === false) ? false : true;\r
  85                 } else if (file.filestatus === SWFUpload.FILE_STATUS.QUEUED) {\r
  86                         // If the file was stopped and re-queued don't restart the upload\r
  87                         continueUpload = false;\r
  88                 } else {\r
  89                         continueUpload = true;\r
  90                 }\r
  91                 \r
  92                 if (continueUpload) {\r
  93                         var stats = this.getStats();\r
  94                         if (stats.files_queued > 0 && this.queueSettings.queue_cancelled_flag === false) {\r
  95                                 this.startUpload();\r
  96                         } else if (this.queueSettings.queue_cancelled_flag === false) {\r
  97                                 this.queueEvent("queue_complete_handler", [this.queueSettings.queue_upload_count]);\r
  98                                 this.queueSettings.queue_upload_count = 0;\r
  99                         } else {\r
 100                                 this.queueSettings.queue_cancelled_flag = false;\r
 101                                 this.queueSettings.queue_upload_count = 0;\r
 102                         }\r
 103                 }\r
 104         };\r
 105 }</pre>    \r
 106 </body>\r
 107 </html>