mirror of https://gitee.com/bigwinds/arangodb
532 lines
20 KiB
JavaScript
532 lines
20 KiB
JavaScript
/*!
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* jQuery Upload File Plugin
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* version: 3.1.0
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* @requires jQuery v1.5 or later & form plugin
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* Copyright (c) 2013 Ravishanker Kusuma
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* http://hayageek.com/
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*/
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(function ($) {
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var feature = {};
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feature.fileapi = $("<input type='file'/>").get(0).files !== undefined;
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feature.formdata = window.FormData !== undefined;
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$.fn.uploadFile = function (options) {
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// This is the easiest way to have default options.
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var s = $.extend({
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// These are the defaults.
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url: "",
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method: "POST",
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enctype: "multipart/form-data",
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formData: null,
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returnType: null,
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allowedTypes: "*",
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fileName: "file",
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formData: {},
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dynamicFormData: function () {
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return {};
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},
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maxFileSize: -1,
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multiple: true,
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dragDrop: true,
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autoSubmit: true,
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showCancel: true,
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showAbort: true,
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showDone: true,
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showDelete:false,
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showError: true,
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showStatusAfterSuccess: true,
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showStatusAfterError: true,
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showFileCounter:true,
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fileCounterStyle:"). ",
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showProgress:false,
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onSelect:function(files){ return true;},
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onSubmit: function (files, xhr) {},
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onSuccess: function (files, response, xhr) {},
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onError: function (files, status, message) {},
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deleteCallback: false,
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afterUploadAll: false,
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uploadButtonClass: "ajax-file-upload",
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dragDropStr: "<span><b>Drag & Drop Files</b></span>",
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abortStr: "Abort",
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cancelStr: "Cancel",
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deletelStr: "Delete",
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doneStr: "Done",
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multiDragErrorStr: "Multiple File Drag & Drop is not allowed.",
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extErrorStr: "is not allowed. Allowed extensions: ",
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sizeErrorStr: "is not allowed. Allowed Max size: ",
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uploadErrorStr: "Upload is not allowed"
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}, options);
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this.fileCounter = 1;
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this.fCounter = 0; //failed uploads
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this.sCounter = 0; //success uploads
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this.tCounter = 0; //total uploads
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var formGroup = "ajax-file-upload-" + (new Date().getTime());
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this.formGroup = formGroup;
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this.hide();
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this.errorLog = $("<div></div>"); //Writing errors
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this.after(this.errorLog);
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this.responses = [];
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if (!feature.formdata) //check drag drop enabled.
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{
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s.dragDrop = false;
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}
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var obj = this;
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var uploadLabel = $('<div>' + $(this).html() + '</div>');
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$(uploadLabel).addClass(s.uploadButtonClass);
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//wait form ajax Form plugin and initialize
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(function checkAjaxFormLoaded() {
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if ($.fn.ajaxForm) {
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if (s.dragDrop) {
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var dragDrop = $('<div class="ajax-upload-dragdrop" style="vertical-align:top;"></div>');
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$(obj).before(dragDrop);
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$(dragDrop).append(uploadLabel);
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$(dragDrop).append($(s.dragDropStr));
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setDragDropHandlers(obj, s, dragDrop);
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} else {
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$(obj).before(uploadLabel);
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}
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createCutomInputFile(obj, formGroup, s, uploadLabel);
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} else window.setTimeout(checkAjaxFormLoaded, 10);
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})();
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this.startUpload = function () {
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$("." + this.formGroup).each(function (i, items) {
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if ($(this).is('form')) $(this).submit();
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});
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}
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this.stopUpload = function () {
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$(".ajax-file-upload-red").each(function (i, items) {
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if ($(this).hasClass(obj.formGroup)) $(this).click();
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});
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}
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this.getResponses = function () {
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return this.responses;
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}
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var checking = false;
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function checkPendingUploads() {
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if (s.afterUploadAll && !checking) {
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checking = true;
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(function checkPending() {
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if (obj.sCounter != 0 && (obj.sCounter + obj.fCounter == obj.tCounter)) {
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s.afterUploadAll(obj);
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checking = false;
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} else window.setTimeout(checkPending, 100);
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})();
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}
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}
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function setDragDropHandlers(obj, s, ddObj) {
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ddObj.on('dragenter', function (e) {
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e.stopPropagation();
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e.preventDefault();
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$(this).css('border', '2px solid #A5A5C7');
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});
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ddObj.on('dragover', function (e) {
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e.stopPropagation();
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e.preventDefault();
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});
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ddObj.on('drop', function (e) {
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$(this).css('border', '2px dotted #A5A5C7');
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e.preventDefault();
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obj.errorLog.html("");
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var files = e.originalEvent.dataTransfer.files;
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if (!s.multiple && files.length > 1) {
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if (s.showError) $("<div style='color:red;'>" + s.multiDragErrorStr + "</div>").appendTo(obj.errorLog);
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return;
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}
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if(s.onSelect(files) == false)
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return;
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serializeAndUploadFiles(s, obj, files);
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});
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$(document).on('dragenter', function (e) {
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e.stopPropagation();
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e.preventDefault();
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});
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$(document).on('dragover', function (e) {
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e.stopPropagation();
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e.preventDefault();
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ddObj.css('border', '2px dotted #A5A5C7');
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});
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$(document).on('drop', function (e) {
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e.stopPropagation();
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e.preventDefault();
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ddObj.css('border', '2px dotted #A5A5C7');
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});
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}
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function getSizeStr(size) {
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var sizeStr = "";
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var sizeKB = size / 1024;
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if (parseInt(sizeKB) > 1024) {
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var sizeMB = sizeKB / 1024;
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sizeStr = sizeMB.toFixed(2) + " MB";
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} else {
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sizeStr = sizeKB.toFixed(2) + " KB";
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}
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return sizeStr;
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}
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function serializeData(extraData) {
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var serialized = [];
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if (jQuery.type(extraData) == "string") {
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serialized = extraData.split('&');
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} else {
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serialized = $.param(extraData).split('&');
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}
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var len = serialized.length;
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var result = [];
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var i, part;
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for (i = 0; i < len; i++) {
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serialized[i] = serialized[i].replace(/\+/g, ' ');
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part = serialized[i].split('=');
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result.push([decodeURIComponent(part[0]), decodeURIComponent(part[1])]);
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}
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return result;
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}
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function serializeAndUploadFiles(s, obj, files) {
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for (var i = 0; i < files.length; i++) {
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if (!isFileTypeAllowed(obj, s, files[i].name)) {
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if (s.showError) $("<div style='color:red;'><b>" + files[i].name + "</b> " + s.extErrorStr + s.allowedTypes + "</div>").appendTo(obj.errorLog);
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continue;
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}
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if (s.maxFileSize != -1 && files[i].size > s.maxFileSize) {
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if (s.showError) $("<div style='color:red;'><b>" + files[i].name + "</b> " + s.sizeErrorStr + getSizeStr(s.maxFileSize) + "</div>").appendTo(obj.errorLog);
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continue;
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}
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var ts = s;
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var fd = new FormData();
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var fileName = s.fileName.replace("[]", "");
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fd.append(fileName, files[i]);
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var extraData = s.formData;
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if (extraData) {
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var sData = serializeData(extraData);
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for (var j = 0; j < sData.length; j++) {
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if (sData[j]) {
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fd.append(sData[j][0], sData[j][1]);
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}
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}
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}
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ts.fileData = fd;
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var pd = new createProgressDiv(obj, s);
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var fileNameStr="";
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if(s.showFileCounter)
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fileNameStr = obj.fileCounter + s.fileCounterStyle + files[i].name
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else
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fileNameStr = files[i].name;
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pd.filename.html(fileNameStr);
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var form = $("<form style='display:block; position:absolute;left: 150px;' class='" + obj.formGroup + "' method='" + s.method + "' action='" + s.url + "' enctype='" + s.enctype + "'></form>");
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form.appendTo('body');
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var fileArray = [];
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fileArray.push(files[i].name);
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ajaxFormSubmit(form, ts, pd, fileArray, obj);
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obj.fileCounter++;
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}
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}
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function isFileTypeAllowed(obj, s, fileName) {
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var fileExtensions = s.allowedTypes.toLowerCase().split(",");
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var ext = fileName.split('.').pop().toLowerCase();
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if (s.allowedTypes != "*" && jQuery.inArray(ext, fileExtensions) < 0) {
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return false;
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}
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return true;
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}
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function createCutomInputFile(obj, group, s, uploadLabel) {
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var fileUploadId = "ajax-upload-id-" + (new Date().getTime());
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var form = $("<form method='" + s.method + "' action='" + s.url + "' enctype='" + s.enctype + "'></form>");
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var fileInputStr = "<input type='file' id='" + fileUploadId + "' name='" + s.fileName + "'/>";
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if (s.multiple) {
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if (s.fileName.indexOf("[]") != s.fileName.length - 2) // if it does not endwith
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{
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s.fileName += "[]";
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}
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fileInputStr = "<input type='file' id='" + fileUploadId + "' name='" + s.fileName + "' multiple/>";
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}
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var fileInput = $(fileInputStr).appendTo(form);
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fileInput.change(function () {
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obj.errorLog.html("");
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var fileExtensions = s.allowedTypes.toLowerCase().split(",");
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var fileArray = [];
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if (this.files) //support reading files
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{
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for (i = 0; i < this.files.length; i++)
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{
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fileArray.push(this.files[i].name);
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}
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if(s.onSelect(this.files) == false)
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return;
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} else {
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var filenameStr = $(this).val();
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var flist = [];
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fileArray.push(filenameStr);
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if (!isFileTypeAllowed(obj, s, filenameStr)) {
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if (s.showError) $("<div style='color:red;'><b>" + filenameStr + "</b> " + s.extErrorStr + s.allowedTypes + "</div>").appendTo(obj.errorLog);
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return;
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}
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//fallback for browser without FileAPI
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flist.push({name:filenameStr,size:'NA'});
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if(s.onSelect(flist) == false)
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return;
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}
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uploadLabel.unbind("click");
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form.hide();
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createCutomInputFile(obj, group, s, uploadLabel);
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form.addClass(group);
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if (feature.fileapi && feature.formdata) //use HTML5 support and split file submission
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{
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form.removeClass(group); //Stop Submitting when.
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var files = this.files;
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serializeAndUploadFiles(s, obj, files);
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} else {
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var fileList = "";
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for (var i = 0; i < fileArray.length; i++) {
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if(s.showFileCounter)
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fileList += obj.fileCounter + s.fileCounterStyle + fileArray[i]+"<br>";
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else
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fileList += fileArray[i]+"<br>";;
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obj.fileCounter++;
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}
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var pd = new createProgressDiv(obj, s);
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pd.filename.html(fileList);
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ajaxFormSubmit(form, s, pd, fileArray, obj);
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}
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});
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form.css({'margin':0,'padding':0});
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var uwidth=$(uploadLabel).width()+10;
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if(uwidth == 10)
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uwidth =120;
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var uheight=uploadLabel.height()+10;
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if(uheight == 10)
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uheight = 35;
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uploadLabel.css({position: 'relative',overflow:'hidden',cursor:'default'});
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fileInput.css({position: 'absolute','cursor':'pointer',
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'top': '0px',
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'width': uwidth,
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'height':uheight,
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'left': '0px',
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'z-index': '100',
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'opacity': '0.0',
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'filter':'alpha(opacity=0)',
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'-ms-filter':"alpha(opacity=0)",
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'-khtml-opacity':'0.0',
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'-moz-opacity':'0.0'
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});
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form.appendTo(uploadLabel);
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//dont hide it, but move it to
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/* form.css({
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margin: 0,
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padding: 0,
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display: 'block',
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position: 'absolute',
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left: '50px'
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});
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if (navigator.appVersion.indexOf("MSIE ") != -1) //IE Browser
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{
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uploadLabel.attr('for', fileUploadId);
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} else {
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uploadLabel.click(function () {
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fileInput.click();
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});
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}*/
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}
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function createProgressDiv(obj, s) {
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this.statusbar = $("<div class='ajax-file-upload-statusbar'></div>");
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this.filename = $("<div class='ajax-file-upload-filename'></div>").appendTo(this.statusbar);
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this.progressDiv = $("<div class='ajax-file-upload-progress'>").appendTo(this.statusbar).hide();
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this.progressbar = $("<div class='ajax-file-upload-bar " + obj.formGroup + "'></div>").appendTo(this.progressDiv);
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this.abort = $("<div class='ajax-file-upload-red " + obj.formGroup + "'>" + s.abortStr + "</div>").appendTo(this.statusbar).hide();
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this.cancel = $("<div class='ajax-file-upload-red'>" + s.cancelStr + "</div>").appendTo(this.statusbar).hide();
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this.done = $("<div class='ajax-file-upload-green'>" + s.doneStr + "</div>").appendTo(this.statusbar).hide();
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this.del = $("<div class='ajax-file-upload-red'>" + s.deletelStr + "</div>").appendTo(this.statusbar).hide();
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obj.errorLog.after(this.statusbar);
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return this;
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}
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function ajaxFormSubmit(form, s, pd, fileArray, obj) {
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var currentXHR = null;
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var options = {
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cache: false,
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contentType: false,
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processData: false,
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forceSync: false,
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data: s.formData,
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formData: s.fileData,
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dataType: s.returnType,
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beforeSubmit: function (formData, $form, options) {
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if (s.onSubmit.call(this, fileArray) != false) {
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var dynData = s.dynamicFormData();
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if (dynData) {
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var sData = serializeData(dynData);
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if (sData) {
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for (var j = 0; j < sData.length; j++) {
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if (sData[j]) {
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if (s.fileData != undefined) options.formData.append(sData[j][0], sData[j][1]);
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else options.data[sData[j][0]] = sData[j][1];
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}
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}
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}
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}
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obj.tCounter += fileArray.length;
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//window.setTimeout(checkPendingUploads, 1000); //not so critical
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checkPendingUploads();
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return true;
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}
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pd.statusbar.append("<div style='color:red;'>" + s.uploadErrorStr + "</div>");
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pd.cancel.show()
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form.remove();
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pd.cancel.click(function () {
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pd.statusbar.remove();
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});
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return false;
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},
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beforeSend: function (xhr, o) {
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pd.progressDiv.show();
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pd.cancel.hide();
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pd.done.hide();
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if (s.showAbort) {
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pd.abort.show();
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pd.abort.click(function () {
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xhr.abort();
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});
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}
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if (!feature.formdata) //For iframe based push
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{
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pd.progressbar.width('5%');
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} else pd.progressbar.width('1%'); //Fix for small files
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},
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uploadProgress: function (event, position, total, percentComplete) {
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//Fix for smaller file uploads in MAC
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if(percentComplete > 98) percentComplete =98;
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var percentVal = percentComplete + '%';
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if (percentComplete > 1) pd.progressbar.width(percentVal)
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if(s.showProgress)
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{
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pd.progressbar.html(percentVal);
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pd.progressbar.css('text-align', 'center');
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}
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},
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success: function (data, message, xhr) {
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obj.responses.push(data);
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pd.progressbar.width('100%')
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if(s.showProgress)
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{
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pd.progressbar.html('100%');
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pd.progressbar.css('text-align', 'center');
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}
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pd.abort.hide();
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s.onSuccess.call(this, fileArray, data, xhr);
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if (s.showStatusAfterSuccess) {
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if (s.showDone) {
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pd.done.show();
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pd.done.click(function () {
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pd.statusbar.hide("slow");
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pd.statusbar.remove();
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});
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} else {
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pd.done.hide();
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}
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if(s.showDelete)
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{
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pd.del.show();
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pd.del.click(function () {
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if(s.deleteCallback) s.deleteCallback.call(this, data,pd);
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});
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}
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else
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{
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pd.del.hide();
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}
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} else {
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pd.statusbar.hide("slow");
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pd.statusbar.remove();
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}
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form.remove();
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obj.sCounter += fileArray.length;
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},
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error: function (xhr, status, errMsg) {
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pd.abort.hide();
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if (xhr.statusText == "abort") //we aborted it
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{
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pd.statusbar.hide("slow");
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} else {
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s.onError.call(this, fileArray, status, errMsg);
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if (s.showStatusAfterError) {
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pd.progressDiv.hide();
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pd.statusbar.append("<span style='color:red;'>ERROR: " + errMsg + "</span>");
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} else {
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pd.statusbar.hide();
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pd.statusbar.remove();
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}
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}
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form.remove();
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obj.fCounter += fileArray.length;
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}
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};
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|
if (s.autoSubmit) {
|
|
form.ajaxSubmit(options);
|
|
} else {
|
|
if (s.showCancel) {
|
|
pd.cancel.show();
|
|
pd.cancel.click(function () {
|
|
form.remove();
|
|
pd.statusbar.remove();
|
|
});
|
|
}
|
|
form.ajaxForm(options);
|
|
|
|
}
|
|
|
|
}
|
|
return this;
|
|
|
|
}
|
|
|
|
|
|
}(jQuery));
|