/*/*
* Unobstrusive swf upload widget using jQuery.
*example : $(‘:file.uo_widget_form_input_file_swf_upload‘).uoWidgetFormInputFileSwfUpload({});
*
* @author Fran?ois Béliveau <[email protected]>
**/
var uo_widget_form_input_file_swf_upload_config = {};
var uo_widget_form_input_file_swf_upload_count = 0;
(function($) {
$.fn.uoWidgetFormInputFileSwfUpload = function(customConfiguration)
{
// default configuration
var configuration = {
labels: {
browse: ‘browse‘
},
images: {
browse: ‘/sf_unobstrusive_widget/images/default/uo_widget_form_input_file_swf_upload/folder_explore.png‘
},
upload_auto: false,
upload_url: false,
file_post_name: ‘swf_upload_file‘,
// Flash file settings
file_size_limit: ‘10240‘, //10 MB
file_types: ‘*.*‘,
file_types_description: ‘All files‘,
file_upload_limit: ‘0‘,
file_queue_limit: ‘1‘,
// Button Settings
button_width: 16,
button_height: 16,
// Flash Settings
flash_url : "/sf_unobstrusive_widget/vendor/swf_upload/swfupload.swf",
// Debug settings
debug: false
};
$.extend(true, configuration, customConfiguration);
return this.each(function(index)
{
var $widget = $(this);
var $widgetId = $widget.attr(‘id‘);
var $widgetName = $widget.attr(‘name‘);
var $widgetFileName = false;
var $swfUpload = false;
var $index = uo_widget_form_input_file_swf_upload_count;
var handlers = {
swfupload_loaded_handler: false,
file_dialog_start_handler: false,
file_queue_error_handler: false,
file_dialog_complete_handler: false,
upload_start_handler: false,
upload_progress_handler: false,
upload_error_handler: false,
upload_success_handler: false,
upload_complete_handler: false,
file_queued_handler: false,
swfupload_loaded_handler: false,
swfupload_loaded_handler: false
};
// merge default and custom configuration
if (typeof(uo_widget_form_input_file_swf_upload_config[$widgetId]) == ‘object‘)
{
for (handlerName in handlers)
{
if (typeof(uo_widget_form_input_file_swf_upload_config[$widgetId][handlerName]) == ‘function‘)
{
handlers[handlerName] = uo_widget_form_input_file_swf_upload_config[$widgetId][handlerName];
}
}
}
/**
* Initialize widget
*/
function init()
{
// prevent initialize twice
if ($widget.hasClass(‘uo_widget_form_input_file_swf_upload_ON‘))
{
return $widget;
}
if (typeof(SWFUpload) != "function")
{
alert(‘Unable to initialize SWFUpload widget: SWFUpload is not defined‘);
return $widget;
}
$widget.removeClass(‘uo_widget_form_input_file_swf_upload‘);
$widget.addClass(‘uo_widget_form_input_file_swf_upload_ON‘);
config = getConfiguration();
if (config.upload_url)
{
$widget.after(getHtmlTemplate(config))
var newWidget = $widget.next();
$widget.remove();
$widget = newWidget;
$widgetFileName = $(‘#‘+$widgetId);
$swfUpload = new SWFUpload(config);
uo_widget_form_input_file_swf_upload_count++;
}
else
{
alert(‘Unable to initialize SWFUpload widget: invalid upload url‘);
}
}
/**
* Return widget‘s specific configuration
*/
function getConfiguration()
{
var result = uo_widget_form_input_file_swf_upload_config[$widgetId] || {};
result = $.extend(true, configuration, result);
// Event handler settings
result.swfupload_loaded_handler = swfUploadLoaded,
result.file_dialog_start_handler = fileDialogStart;
result.file_queue_error_handler = fileQueueError;
result.file_dialog_complete_handler = fileDialogComplete;
result.upload_start_handler = uploadStart;
result.upload_progress_handler = uploadProgress;
result.upload_error_handler = uploadError;
result.upload_success_handler = uploadSuccess;
result.upload_complete_handler = uploadComplete;
if (undefined == result.custom_settings)
{
result.custom_settings = {};
}
result.custom_settings.progress_target = $widgetId+‘_flash‘,
result.custom_settings.upload_successful = false;
result.button_window_mode = SWFUpload.WINDOW_MODE.TRANSPARENT;
result.button_placeholder_id = $widgetId+‘_browse‘;
if (result.images.browse)
{
result.button_image_url = result.images.browse;
}
else
{
result.button_text = result.labels.browse;
}
if (result.upload_auto)
{
result.file_queued_handler = fileQueuedAutoUpload;
}
else
{
result.file_queued_handler = fileQueued;
}
return result
}
/**
* Return widget‘s HTML template
*/
function getHtmlTemplate(config)
{
result = ‘<div class="uo_widget_form_input_file_swf_upload_ON_container">‘
+ ‘ <div class="field">‘
+ ‘ <input id="‘+$widgetId+‘" type="text" class="text" readonly="readonly" />‘
+ ‘ <span id="‘+$widgetId+‘_browse">‘+config.labels.browse+‘</span>‘
+ ‘ </div>‘
//This is where the file progress gets shown
+ ‘ <div class="flash" id="‘+$widgetId+‘_flash"></div>‘
//This is where the file ID is stored after SWFUpload uploads the file and gets the ID back from upload PHP script
+ ‘ <input type="hidden" name="‘+$widgetName+‘" value="" />‘
+ ‘</div>‘
return $(result);
}
/**
* Start upload
*/
function doUpload(e)
{
try
{
$swfUpload.startUpload();
}
catch(ex){}
return false;
}
/**
* Called by the queue complete handler to submit the form
*/
function uploadDone()
{
try
{
$swfUpload.destroy();
$widget.parents(‘form:first‘)
.unbind(‘submit‘, doUpload)
.submit();
}
catch(ex)
{
alert("Error submitting form");
}
}
/**
* Cancel upload if allready start
*/
function fileDialogStart()
{
$swfUpload.cancelUpload();
if (typeof(handlers.file_dialog_start_handler) == ‘function‘)
{
handlers.file_dialog_start_handler();
}
}
/**
* Handle this error separately because we don‘t want to create a FileProgress element for it.
*/
function fileQueueError(file, errorCode, message)
{
try
{
switch (errorCode)
{
case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
return false;
case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
alert("The file you selected is too big.");
this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return false;
case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
alert("The file you selected is empty. Please select another file.");
this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return false;
case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
alert("The file you choose is not an allowed file type.");
this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return false;
default:
alert("An error occurred in the upload. Try again later.");
this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return false;
}
}
catch(e){}
if (typeof(handlers.file_queue_error_handler) == ‘function‘)
{
handlers.file_queue_error_handler(file, errorCode, message);
}
}
function fileQueued(file)
{
$widget.parents(‘form:first‘)
.unbind(‘submit‘, doUpload)
.submit(doUpload);
$widgetFileName.val(file.name);
if (typeof(handlers.file_queued_handler) == ‘function‘)
{
handlers.file_queued_handler(file);
}
}
function fileQueuedAutoUpload(file)
{
$widgetFileName.val(file.name);
doUpload();
if (typeof(handlers.file_queued_handler) == ‘function‘)
{
handlers.file_queued_handler(file);
}
}
function uploadProgress(file, bytesLoaded, totalBytes)
{
try
{
var percent = Math.ceil((bytesLoaded / bytesTotal) * 100);
file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
var progress = new FileProgress(file, this.customSettings.progress_target);
progress.setProgress(percent);
progress.setStatus("Uploading...");
}
catch(e){}
if (typeof(handlers.upload_progress_handler) == ‘function‘)
{
handlers.upload_progress_handler(file, bytesLoaded, totalBytes);
}
}
function uploadSuccess(file, serverData, receivedResponse)
{
try
{
file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
var progress = new FileProgress(file, this.customSettings.progress_target);
progress.setComplete();
progress.setStatus("Complete.");
progress.toggleCancel(false);
if (serverData === " ")
{
this.customSettings.upload_successful = false;
}
else
{
this.customSettings.upload_successful = true;
$(‘input[name="‘+$widgetName+‘"]‘, $widget).val(serverData);
}
}
catch(e){}
if (typeof(handlers.upload_success_handler) == ‘function‘)
{
handlers.upload_success_handler(file, serverData, receivedResponse);
}
}
function uploadComplete(file)
{
try
{
if (this.customSettings.upload_successful)
{
var config = getConfiguration();
if (!config.upload_auto)
{
uploadDone();
}
}
else
{
file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
var progress = new FileProgress(file, this.customSettings.progress_target);
progress.setError();
progress.setStatus("File rejected");
progress.toggleCancel(false);
$widgetFileName.val(‘‘);
alert("There was a problem with the upload.\nThe server did not accept it.");
}
}
catch(e){}
if (typeof(handlers.upload_complete_handler) == ‘function‘)
{
handlers.upload_complete_handler(file);
}
}
function uploadError(file, errorCode, message)
{
try
{
if (errorCode === SWFUpload.UPLOAD_ERROR.FILE_CANCELLED)
{
// Don‘t show cancelled error boxes
return;
}
$widgetFileName.val(‘‘);
// Handle this error separately because we don‘t want to create a FileProgress element for it.
switch (errorCode)
{
case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
alert("There was a configuration error. You will not be able to upload a resume at this time.");
this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
return;
case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
alert("You may only upload 1 file.");
this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return;
case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
break;
default:
alert("An error occurred in the upload. Try again later.");
this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
return;
}
file.id = "singlefile"; // This makes it so FileProgress only makes a single UI element, instead of one for each file
var progress = new FileProgress(file, this.customSettings.progress_target);
progress.setError();
progress.toggleCancel(false);
switch (errorCode)
{
case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
progress.setStatus("Upload Error");
this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
break;
case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
progress.setStatus("Upload Failed.");
this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
break;
case SWFUpload.UPLOAD_ERROR.IO_ERROR:
progress.setStatus("Server (IO) Error");
this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
break;
case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
progress.setStatus("Security Error");
this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
break;
case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
progress.setStatus("Upload Cancelled");
this.debug("Error Code: Upload Cancelled, File name: " + file.name + ", Message: " + message);
break;
case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
progress.setStatus("Upload Stopped");
this.debug("Error Code: Upload Stopped, File name: " + file.name + ", Message: " + message);
break;
}
}
catch(ex){}
if (typeof(handlers.upload_error_handler) == ‘function‘)
{
handlers.upload_error_handler(file, errorCode, message);
}
时间： 2024-10-01 03:48:03