99 lines
3.3 KiB
JavaScript
99 lines
3.3 KiB
JavaScript
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/*
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Queue Plug-in
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Features:
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*Adds a cancelQueue() method for cancelling the entire queue.
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*All queued files are uploaded when startUpload() is called.
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*If false is returned from uploadComplete then the queue upload is stopped.
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If false is not returned (strict comparison) then the queue upload is continued.
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*Adds a QueueComplete event that is fired when all the queued files have finished uploading.
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Set the event handler with the queue_complete_handler setting.
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*/
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var SWFUpload;
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if (typeof(SWFUpload) === "function") {
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SWFUpload.queue = {};
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SWFUpload.prototype.initSettings = (function (oldInitSettings) {
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return function () {
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if (typeof(oldInitSettings) === "function") {
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oldInitSettings.call(this);
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}
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this.queueSettings = {};
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this.queueSettings.queue_cancelled_flag = false;
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this.queueSettings.queue_upload_count = 0;
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this.queueSettings.user_upload_complete_handler = this.settings.upload_complete_handler;
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this.queueSettings.user_upload_start_handler = this.settings.upload_start_handler;
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this.settings.upload_complete_handler = SWFUpload.queue.uploadCompleteHandler;
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this.settings.upload_start_handler = SWFUpload.queue.uploadStartHandler;
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this.settings.queue_complete_handler = this.settings.queue_complete_handler || null;
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};
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})(SWFUpload.prototype.initSettings);
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SWFUpload.prototype.startUpload = function (fileID) {
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this.queueSettings.queue_cancelled_flag = false;
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this.callFlash("StartUpload", [fileID]);
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};
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SWFUpload.prototype.cancelQueue = function () {
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this.queueSettings.queue_cancelled_flag = true;
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this.stopUpload();
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var stats = this.getStats();
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while (stats.files_queued > 0) {
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this.cancelUpload();
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stats = this.getStats();
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}
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};
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SWFUpload.queue.uploadStartHandler = function (file) {
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var returnValue;
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if (typeof(this.queueSettings.user_upload_start_handler) === "function") {
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returnValue = this.queueSettings.user_upload_start_handler.call(this, file);
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}
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// To prevent upload a real "FALSE" value must be returned, otherwise default to a real "TRUE" value.
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returnValue = (returnValue === false) ? false : true;
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this.queueSettings.queue_cancelled_flag = !returnValue;
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return returnValue;
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};
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SWFUpload.queue.uploadCompleteHandler = function (file) {
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var user_upload_complete_handler = this.queueSettings.user_upload_complete_handler;
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var continueUpload;
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if (file.filestatus === SWFUpload.FILE_STATUS.COMPLETE) {
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this.queueSettings.queue_upload_count++;
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}
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if (typeof(user_upload_complete_handler) === "function") {
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continueUpload = (user_upload_complete_handler.call(this, file) === false) ? false : true;
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} else if (file.filestatus === SWFUpload.FILE_STATUS.QUEUED) {
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// If the file was stopped and re-queued don't restart the upload
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continueUpload = false;
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} else {
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continueUpload = true;
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}
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if (continueUpload) {
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var stats = this.getStats();
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if (stats.files_queued > 0 && this.queueSettings.queue_cancelled_flag === false) {
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this.startUpload();
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} else if (this.queueSettings.queue_cancelled_flag === false) {
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this.queueEvent("queue_complete_handler", [this.queueSettings.queue_upload_count]);
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this.queueSettings.queue_upload_count = 0;
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} else {
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this.queueSettings.queue_cancelled_flag = false;
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this.queueSettings.queue_upload_count = 0;
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}
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}
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};
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}
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