X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/2e847cf21b8ab9d15fa167b315ca5b2fa92638fc..6a7e4474cba9d8be4b2ec445e10f1691f7277c50:/examples/image-organizer/SWFUpload/plugins/swfupload.speed.js diff --git a/examples/image-organizer/SWFUpload/plugins/swfupload.speed.js b/examples/image-organizer/SWFUpload/plugins/swfupload.speed.js index 3699b125..c7125359 100644 --- a/examples/image-organizer/SWFUpload/plugins/swfupload.speed.js +++ b/examples/image-organizer/SWFUpload/plugins/swfupload.speed.js @@ -1,348 +1,348 @@ /*! - * Ext JS Library 3.1.1 - * Copyright(c) 2006-2010 Ext JS, LLC + * Ext JS Library 3.2.0 + * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.extjs.com/license */ -/* - Speed Plug-in - - Features: - *Adds several properties to the 'file' object indicated upload speed, time left, upload time, etc. - - currentSpeed -- String indicating the upload speed, bytes per second - - averageSpeed -- Overall average upload speed, bytes per second - - movingAverageSpeed -- Speed over averaged over the last several measurements, bytes per second - - timeRemaining -- Estimated remaining upload time in seconds - - timeElapsed -- Number of seconds passed for this upload - - percentUploaded -- Percentage of the file uploaded (0 to 100) - - sizeUploaded -- Formatted size uploaded so far, bytes - - *Adds setting 'moving_average_history_size' for defining the window size used to calculate the moving average speed. - - *Adds several Formatting functions for formatting that values provided on the file object. - - SWFUpload.speed.formatBPS(bps) -- outputs string formatted in the best units (Gbps, Mbps, Kbps, bps) - - SWFUpload.speed.formatTime(seconds) -- outputs string formatted in the best units (x Hr y M z S) - - SWFUpload.speed.formatSize(bytes) -- outputs string formatted in the best units (w GB x MB y KB z B ) - - SWFUpload.speed.formatPercent(percent) -- outputs string formatted with a percent sign (x.xx %) - - SWFUpload.speed.formatUnits(baseNumber, divisionArray, unitLabelArray, fractionalBoolean) - - Formats a number using the division array to determine how to apply the labels in the Label Array - - factionalBoolean indicates whether the number should be returned as a single fractional number with a unit (speed) - or as several numbers labeled with units (time) - */ - -var SWFUpload; -if (typeof(SWFUpload) === "function") { - SWFUpload.speed = {}; - - SWFUpload.prototype.initSettings = (function (oldInitSettings) { - return function () { - if (typeof(oldInitSettings) === "function") { - oldInitSettings.call(this); - } - - this.ensureDefault = function (settingName, defaultValue) { - this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName]; - }; - - // List used to keep the speed stats for the files we are tracking - this.fileSpeedStats = {}; - this.speedSettings = {}; - - this.ensureDefault("moving_average_history_size", "10"); - - this.speedSettings.user_file_queued_handler = this.settings.file_queued_handler; - this.speedSettings.user_file_queue_error_handler = this.settings.file_queue_error_handler; - this.speedSettings.user_upload_start_handler = this.settings.upload_start_handler; - this.speedSettings.user_upload_error_handler = this.settings.upload_error_handler; - this.speedSettings.user_upload_progress_handler = this.settings.upload_progress_handler; - this.speedSettings.user_upload_success_handler = this.settings.upload_success_handler; - this.speedSettings.user_upload_complete_handler = this.settings.upload_complete_handler; - - this.settings.file_queued_handler = SWFUpload.speed.fileQueuedHandler; - this.settings.file_queue_error_handler = SWFUpload.speed.fileQueueErrorHandler; - this.settings.upload_start_handler = SWFUpload.speed.uploadStartHandler; - this.settings.upload_error_handler = SWFUpload.speed.uploadErrorHandler; - this.settings.upload_progress_handler = SWFUpload.speed.uploadProgressHandler; - this.settings.upload_success_handler = SWFUpload.speed.uploadSuccessHandler; - this.settings.upload_complete_handler = SWFUpload.speed.uploadCompleteHandler; - - delete this.ensureDefault; - }; - })(SWFUpload.prototype.initSettings); - - - SWFUpload.speed.fileQueuedHandler = function (file) { - if (typeof this.speedSettings.user_file_queued_handler === "function") { - file = SWFUpload.speed.extendFile(file); - - return this.speedSettings.user_file_queued_handler.call(this, file); - } - }; - - SWFUpload.speed.fileQueueErrorHandler = function (file, errorCode, message) { - if (typeof this.speedSettings.user_file_queue_error_handler === "function") { - file = SWFUpload.speed.extendFile(file); - - return this.speedSettings.user_file_queue_error_handler.call(this, file, errorCode, message); - } - }; - - SWFUpload.speed.uploadStartHandler = function (file) { - if (typeof this.speedSettings.user_upload_start_handler === "function") { - file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); - return this.speedSettings.user_upload_start_handler.call(this, file); - } - }; - - SWFUpload.speed.uploadErrorHandler = function (file, errorCode, message) { - file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); - SWFUpload.speed.removeTracking(file, this.fileSpeedStats); - - if (typeof this.speedSettings.user_upload_error_handler === "function") { - return this.speedSettings.user_upload_error_handler.call(this, file, errorCode, message); - } - }; - SWFUpload.speed.uploadProgressHandler = function (file, bytesComplete, bytesTotal) { - this.updateTracking(file, bytesComplete); - file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); - - if (typeof this.speedSettings.user_upload_progress_handler === "function") { - return this.speedSettings.user_upload_progress_handler.call(this, file, bytesComplete, bytesTotal); - } - }; - - SWFUpload.speed.uploadSuccessHandler = function (file, serverData) { - if (typeof this.speedSettings.user_upload_success_handler === "function") { - file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); - return this.speedSettings.user_upload_success_handler.call(this, file, serverData); - } - }; - SWFUpload.speed.uploadCompleteHandler = function (file) { - file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); - SWFUpload.speed.removeTracking(file, this.fileSpeedStats); - - if (typeof this.speedSettings.user_upload_complete_handler === "function") { - return this.speedSettings.user_upload_complete_handler.call(this, file); - } - }; - - // Private: extends the file object with the speed plugin values - SWFUpload.speed.extendFile = function (file, trackingList) { - var tracking; - - if (trackingList) { - tracking = trackingList[file.id]; - } - - if (tracking) { - file.currentSpeed = tracking.currentSpeed; - file.averageSpeed = tracking.averageSpeed; - file.movingAverageSpeed = tracking.movingAverageSpeed; - file.timeRemaining = tracking.timeRemaining; - file.timeElapsed = tracking.timeElapsed; - file.percentUploaded = tracking.percentUploaded; - file.sizeUploaded = tracking.bytesUploaded; - - } else { - file.currentSpeed = 0; - file.averageSpeed = 0; - file.movingAverageSpeed = 0; - file.timeRemaining = 0; - file.timeElapsed = 0; - file.percentUploaded = 0; - file.sizeUploaded = 0; - } - - return file; - }; - - // Private: Updates the speed tracking object, or creates it if necessary - SWFUpload.prototype.updateTracking = function (file, bytesUploaded) { - var tracking = this.fileSpeedStats[file.id]; - if (!tracking) { - this.fileSpeedStats[file.id] = tracking = {}; - } - - // Sanity check inputs - bytesUploaded = bytesUploaded || tracking.bytesUploaded || 0; - if (bytesUploaded < 0) { - bytesUploaded = 0; - } - if (bytesUploaded > file.size) { - bytesUploaded = file.size; - } - - var tickTime = (new Date()).getTime(); - if (!tracking.startTime) { - tracking.startTime = (new Date()).getTime(); - tracking.lastTime = tracking.startTime; - tracking.currentSpeed = 0; - tracking.averageSpeed = 0; - tracking.movingAverageSpeed = 0; - tracking.movingAverageHistory = []; - tracking.timeRemaining = 0; - tracking.timeElapsed = 0; - tracking.percentUploaded = bytesUploaded / file.size; - tracking.bytesUploaded = bytesUploaded; - } else if (tracking.startTime > tickTime) { - this.debug("When backwards in time"); - } else { - // Get time and deltas - var now = (new Date()).getTime(); - var lastTime = tracking.lastTime; - var deltaTime = now - lastTime; - var deltaBytes = bytesUploaded - tracking.bytesUploaded; - - if (deltaBytes === 0 || deltaTime === 0) { - return tracking; - } - - // Update tracking object - tracking.lastTime = now; - tracking.bytesUploaded = bytesUploaded; - - // Calculate speeds - tracking.currentSpeed = (deltaBytes * 8 ) / (deltaTime / 1000); - tracking.averageSpeed = (tracking.bytesUploaded * 8) / ((now - tracking.startTime) / 1000); - - // Calculate moving average - tracking.movingAverageHistory.push(tracking.currentSpeed); - if (tracking.movingAverageHistory.length > this.settings.moving_average_history_size) { - tracking.movingAverageHistory.shift(); - } - - tracking.movingAverageSpeed = SWFUpload.speed.calculateMovingAverage(tracking.movingAverageHistory); - - // Update times - tracking.timeRemaining = (file.size - tracking.bytesUploaded) * 8 / tracking.movingAverageSpeed; - tracking.timeElapsed = (now - tracking.startTime) / 1000; - - // Update percent - tracking.percentUploaded = (tracking.bytesUploaded / file.size * 100); - } - - return tracking; - }; - SWFUpload.speed.removeTracking = function (file, trackingList) { - try { - trackingList[file.id] = null; - delete trackingList[file.id]; - } catch (ex) { - } - }; - - SWFUpload.speed.formatUnits = function (baseNumber, unitDivisors, unitLabels, singleFractional) { - var i, unit, unitDivisor, unitLabel; - - if (baseNumber === 0) { - return "0 " + unitLabels[unitLabels.length - 1]; - } - - if (singleFractional) { - unit = baseNumber; - unitLabel = unitLabels.length >= unitDivisors.length ? unitLabels[unitDivisors.length - 1] : ""; - for (i = 0; i < unitDivisors.length; i++) { - if (baseNumber >= unitDivisors[i]) { - unit = (baseNumber / unitDivisors[i]).toFixed(2); - unitLabel = unitLabels.length >= i ? " " + unitLabels[i] : ""; - break; - } - } - - return unit + unitLabel; - } else { - var formattedStrings = []; - var remainder = baseNumber; - - for (i = 0; i < unitDivisors.length; i++) { - unitDivisor = unitDivisors[i]; - unitLabel = unitLabels.length > i ? " " + unitLabels[i] : ""; - - unit = remainder / unitDivisor; - if (i < unitDivisors.length -1) { - unit = Math.floor(unit); - } else { - unit = unit.toFixed(2); - } - if (unit > 0) { - remainder = remainder % unitDivisor; - - formattedStrings.push(unit + unitLabel); - } - } - - return formattedStrings.join(" "); - } - }; - - SWFUpload.speed.formatBPS = function (baseNumber) { - var bpsUnits = [1073741824, 1048576, 1024, 1], bpsUnitLabels = ["Gbps", "Mbps", "Kbps", "bps"]; - return SWFUpload.speed.formatUnits(baseNumber, bpsUnits, bpsUnitLabels, true); - - }; - SWFUpload.speed.formatTime = function (baseNumber) { - var timeUnits = [86400, 3600, 60, 1], timeUnitLabels = ["d", "h", "m", "s"]; - return SWFUpload.speed.formatUnits(baseNumber, timeUnits, timeUnitLabels, false); - - }; - SWFUpload.speed.formatBytes = function (baseNumber) { - var sizeUnits = [1073741824, 1048576, 1024, 1], sizeUnitLabels = ["GB", "MB", "KB", "bytes"]; - return SWFUpload.speed.formatUnits(baseNumber, sizeUnits, sizeUnitLabels, true); - - }; - SWFUpload.speed.formatPercent = function (baseNumber) { - return baseNumber.toFixed(2) + " %"; - }; - - SWFUpload.speed.calculateMovingAverage = function (history) { - var vals = [], size, sum = 0.0, mean = 0.0, varianceTemp = 0.0, variance = 0.0, standardDev = 0.0; - var i; - var mSum = 0, mCount = 0; - - size = history.length; - - // Check for sufficient data - if (size >= 8) { - // Clone the array and Calculate sum of the values - for (i = 0; i < size; i++) { - vals[i] = history[i]; - sum += vals[i]; - } - - mean = sum / size; - - // Calculate variance for the set - for (i = 0; i < size; i++) { - varianceTemp += Math.pow((vals[i] - mean), 2); - } - - variance = varianceTemp / size; - standardDev = Math.sqrt(variance); - - //Standardize the Data - for (i = 0; i < size; i++) { - vals[i] = (vals[i] - mean) / standardDev; - } - - // Calculate the average excluding outliers - var deviationRange = 2.0; - for (i = 0; i < size; i++) { - - if (vals[i] <= deviationRange && vals[i] >= -deviationRange) { - mCount++; - mSum += history[i]; - } - } - - } else { - // Calculate the average (not enough data points to remove outliers) - mCount = size; - for (i = 0; i < size; i++) { - mSum += history[i]; - } - } - - return mSum / mCount; - }; - +/* + Speed Plug-in + + Features: + *Adds several properties to the 'file' object indicated upload speed, time left, upload time, etc. + - currentSpeed -- String indicating the upload speed, bytes per second + - averageSpeed -- Overall average upload speed, bytes per second + - movingAverageSpeed -- Speed over averaged over the last several measurements, bytes per second + - timeRemaining -- Estimated remaining upload time in seconds + - timeElapsed -- Number of seconds passed for this upload + - percentUploaded -- Percentage of the file uploaded (0 to 100) + - sizeUploaded -- Formatted size uploaded so far, bytes + + *Adds setting 'moving_average_history_size' for defining the window size used to calculate the moving average speed. + + *Adds several Formatting functions for formatting that values provided on the file object. + - SWFUpload.speed.formatBPS(bps) -- outputs string formatted in the best units (Gbps, Mbps, Kbps, bps) + - SWFUpload.speed.formatTime(seconds) -- outputs string formatted in the best units (x Hr y M z S) + - SWFUpload.speed.formatSize(bytes) -- outputs string formatted in the best units (w GB x MB y KB z B ) + - SWFUpload.speed.formatPercent(percent) -- outputs string formatted with a percent sign (x.xx %) + - SWFUpload.speed.formatUnits(baseNumber, divisionArray, unitLabelArray, fractionalBoolean) + - Formats a number using the division array to determine how to apply the labels in the Label Array + - factionalBoolean indicates whether the number should be returned as a single fractional number with a unit (speed) + or as several numbers labeled with units (time) + */ + +var SWFUpload; +if (typeof(SWFUpload) === "function") { + SWFUpload.speed = {}; + + SWFUpload.prototype.initSettings = (function (oldInitSettings) { + return function () { + if (typeof(oldInitSettings) === "function") { + oldInitSettings.call(this); + } + + this.ensureDefault = function (settingName, defaultValue) { + this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName]; + }; + + // List used to keep the speed stats for the files we are tracking + this.fileSpeedStats = {}; + this.speedSettings = {}; + + this.ensureDefault("moving_average_history_size", "10"); + + this.speedSettings.user_file_queued_handler = this.settings.file_queued_handler; + this.speedSettings.user_file_queue_error_handler = this.settings.file_queue_error_handler; + this.speedSettings.user_upload_start_handler = this.settings.upload_start_handler; + this.speedSettings.user_upload_error_handler = this.settings.upload_error_handler; + this.speedSettings.user_upload_progress_handler = this.settings.upload_progress_handler; + this.speedSettings.user_upload_success_handler = this.settings.upload_success_handler; + this.speedSettings.user_upload_complete_handler = this.settings.upload_complete_handler; + + this.settings.file_queued_handler = SWFUpload.speed.fileQueuedHandler; + this.settings.file_queue_error_handler = SWFUpload.speed.fileQueueErrorHandler; + this.settings.upload_start_handler = SWFUpload.speed.uploadStartHandler; + this.settings.upload_error_handler = SWFUpload.speed.uploadErrorHandler; + this.settings.upload_progress_handler = SWFUpload.speed.uploadProgressHandler; + this.settings.upload_success_handler = SWFUpload.speed.uploadSuccessHandler; + this.settings.upload_complete_handler = SWFUpload.speed.uploadCompleteHandler; + + delete this.ensureDefault; + }; + })(SWFUpload.prototype.initSettings); + + + SWFUpload.speed.fileQueuedHandler = function (file) { + if (typeof this.speedSettings.user_file_queued_handler === "function") { + file = SWFUpload.speed.extendFile(file); + + return this.speedSettings.user_file_queued_handler.call(this, file); + } + }; + + SWFUpload.speed.fileQueueErrorHandler = function (file, errorCode, message) { + if (typeof this.speedSettings.user_file_queue_error_handler === "function") { + file = SWFUpload.speed.extendFile(file); + + return this.speedSettings.user_file_queue_error_handler.call(this, file, errorCode, message); + } + }; + + SWFUpload.speed.uploadStartHandler = function (file) { + if (typeof this.speedSettings.user_upload_start_handler === "function") { + file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); + return this.speedSettings.user_upload_start_handler.call(this, file); + } + }; + + SWFUpload.speed.uploadErrorHandler = function (file, errorCode, message) { + file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); + SWFUpload.speed.removeTracking(file, this.fileSpeedStats); + + if (typeof this.speedSettings.user_upload_error_handler === "function") { + return this.speedSettings.user_upload_error_handler.call(this, file, errorCode, message); + } + }; + SWFUpload.speed.uploadProgressHandler = function (file, bytesComplete, bytesTotal) { + this.updateTracking(file, bytesComplete); + file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); + + if (typeof this.speedSettings.user_upload_progress_handler === "function") { + return this.speedSettings.user_upload_progress_handler.call(this, file, bytesComplete, bytesTotal); + } + }; + + SWFUpload.speed.uploadSuccessHandler = function (file, serverData) { + if (typeof this.speedSettings.user_upload_success_handler === "function") { + file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); + return this.speedSettings.user_upload_success_handler.call(this, file, serverData); + } + }; + SWFUpload.speed.uploadCompleteHandler = function (file) { + file = SWFUpload.speed.extendFile(file, this.fileSpeedStats); + SWFUpload.speed.removeTracking(file, this.fileSpeedStats); + + if (typeof this.speedSettings.user_upload_complete_handler === "function") { + return this.speedSettings.user_upload_complete_handler.call(this, file); + } + }; + + // Private: extends the file object with the speed plugin values + SWFUpload.speed.extendFile = function (file, trackingList) { + var tracking; + + if (trackingList) { + tracking = trackingList[file.id]; + } + + if (tracking) { + file.currentSpeed = tracking.currentSpeed; + file.averageSpeed = tracking.averageSpeed; + file.movingAverageSpeed = tracking.movingAverageSpeed; + file.timeRemaining = tracking.timeRemaining; + file.timeElapsed = tracking.timeElapsed; + file.percentUploaded = tracking.percentUploaded; + file.sizeUploaded = tracking.bytesUploaded; + + } else { + file.currentSpeed = 0; + file.averageSpeed = 0; + file.movingAverageSpeed = 0; + file.timeRemaining = 0; + file.timeElapsed = 0; + file.percentUploaded = 0; + file.sizeUploaded = 0; + } + + return file; + }; + + // Private: Updates the speed tracking object, or creates it if necessary + SWFUpload.prototype.updateTracking = function (file, bytesUploaded) { + var tracking = this.fileSpeedStats[file.id]; + if (!tracking) { + this.fileSpeedStats[file.id] = tracking = {}; + } + + // Sanity check inputs + bytesUploaded = bytesUploaded || tracking.bytesUploaded || 0; + if (bytesUploaded < 0) { + bytesUploaded = 0; + } + if (bytesUploaded > file.size) { + bytesUploaded = file.size; + } + + var tickTime = (new Date()).getTime(); + if (!tracking.startTime) { + tracking.startTime = (new Date()).getTime(); + tracking.lastTime = tracking.startTime; + tracking.currentSpeed = 0; + tracking.averageSpeed = 0; + tracking.movingAverageSpeed = 0; + tracking.movingAverageHistory = []; + tracking.timeRemaining = 0; + tracking.timeElapsed = 0; + tracking.percentUploaded = bytesUploaded / file.size; + tracking.bytesUploaded = bytesUploaded; + } else if (tracking.startTime > tickTime) { + this.debug("When backwards in time"); + } else { + // Get time and deltas + var now = (new Date()).getTime(); + var lastTime = tracking.lastTime; + var deltaTime = now - lastTime; + var deltaBytes = bytesUploaded - tracking.bytesUploaded; + + if (deltaBytes === 0 || deltaTime === 0) { + return tracking; + } + + // Update tracking object + tracking.lastTime = now; + tracking.bytesUploaded = bytesUploaded; + + // Calculate speeds + tracking.currentSpeed = (deltaBytes * 8 ) / (deltaTime / 1000); + tracking.averageSpeed = (tracking.bytesUploaded * 8) / ((now - tracking.startTime) / 1000); + + // Calculate moving average + tracking.movingAverageHistory.push(tracking.currentSpeed); + if (tracking.movingAverageHistory.length > this.settings.moving_average_history_size) { + tracking.movingAverageHistory.shift(); + } + + tracking.movingAverageSpeed = SWFUpload.speed.calculateMovingAverage(tracking.movingAverageHistory); + + // Update times + tracking.timeRemaining = (file.size - tracking.bytesUploaded) * 8 / tracking.movingAverageSpeed; + tracking.timeElapsed = (now - tracking.startTime) / 1000; + + // Update percent + tracking.percentUploaded = (tracking.bytesUploaded / file.size * 100); + } + + return tracking; + }; + SWFUpload.speed.removeTracking = function (file, trackingList) { + try { + trackingList[file.id] = null; + delete trackingList[file.id]; + } catch (ex) { + } + }; + + SWFUpload.speed.formatUnits = function (baseNumber, unitDivisors, unitLabels, singleFractional) { + var i, unit, unitDivisor, unitLabel; + + if (baseNumber === 0) { + return "0 " + unitLabels[unitLabels.length - 1]; + } + + if (singleFractional) { + unit = baseNumber; + unitLabel = unitLabels.length >= unitDivisors.length ? unitLabels[unitDivisors.length - 1] : ""; + for (i = 0; i < unitDivisors.length; i++) { + if (baseNumber >= unitDivisors[i]) { + unit = (baseNumber / unitDivisors[i]).toFixed(2); + unitLabel = unitLabels.length >= i ? " " + unitLabels[i] : ""; + break; + } + } + + return unit + unitLabel; + } else { + var formattedStrings = []; + var remainder = baseNumber; + + for (i = 0; i < unitDivisors.length; i++) { + unitDivisor = unitDivisors[i]; + unitLabel = unitLabels.length > i ? " " + unitLabels[i] : ""; + + unit = remainder / unitDivisor; + if (i < unitDivisors.length -1) { + unit = Math.floor(unit); + } else { + unit = unit.toFixed(2); + } + if (unit > 0) { + remainder = remainder % unitDivisor; + + formattedStrings.push(unit + unitLabel); + } + } + + return formattedStrings.join(" "); + } + }; + + SWFUpload.speed.formatBPS = function (baseNumber) { + var bpsUnits = [1073741824, 1048576, 1024, 1], bpsUnitLabels = ["Gbps", "Mbps", "Kbps", "bps"]; + return SWFUpload.speed.formatUnits(baseNumber, bpsUnits, bpsUnitLabels, true); + + }; + SWFUpload.speed.formatTime = function (baseNumber) { + var timeUnits = [86400, 3600, 60, 1], timeUnitLabels = ["d", "h", "m", "s"]; + return SWFUpload.speed.formatUnits(baseNumber, timeUnits, timeUnitLabels, false); + + }; + SWFUpload.speed.formatBytes = function (baseNumber) { + var sizeUnits = [1073741824, 1048576, 1024, 1], sizeUnitLabels = ["GB", "MB", "KB", "bytes"]; + return SWFUpload.speed.formatUnits(baseNumber, sizeUnits, sizeUnitLabels, true); + + }; + SWFUpload.speed.formatPercent = function (baseNumber) { + return baseNumber.toFixed(2) + " %"; + }; + + SWFUpload.speed.calculateMovingAverage = function (history) { + var vals = [], size, sum = 0.0, mean = 0.0, varianceTemp = 0.0, variance = 0.0, standardDev = 0.0; + var i; + var mSum = 0, mCount = 0; + + size = history.length; + + // Check for sufficient data + if (size >= 8) { + // Clone the array and Calculate sum of the values + for (i = 0; i < size; i++) { + vals[i] = history[i]; + sum += vals[i]; + } + + mean = sum / size; + + // Calculate variance for the set + for (i = 0; i < size; i++) { + varianceTemp += Math.pow((vals[i] - mean), 2); + } + + variance = varianceTemp / size; + standardDev = Math.sqrt(variance); + + //Standardize the Data + for (i = 0; i < size; i++) { + vals[i] = (vals[i] - mean) / standardDev; + } + + // Calculate the average excluding outliers + var deviationRange = 2.0; + for (i = 0; i < size; i++) { + + if (vals[i] <= deviationRange && vals[i] >= -deviationRange) { + mCount++; + mSum += history[i]; + } + } + + } else { + // Calculate the average (not enough data points to remove outliers) + mCount = size; + for (i = 0; i < size; i++) { + mSum += history[i]; + } + } + + return mSum / mCount; + }; + } \ No newline at end of file