一,ajaxfileupload
- <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
- <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
- <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
- <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/fn" %>
- <%@ taglib prefix="cus" uri="http://web.microcare.com/tag"%>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <script type="text/javascript" src="/tpl/html/common/ajaxfileupload/ajaxfileupload.js"></script>
- <c:import url="${contextpath}/tpl/html/appuploadjs.jsp" />
- </head>
- <body>
- <input type=file id="appFile" name="appFile" onchange="getValue();" style="-moz-opacity:0;filter:alpha(opacity=0);opacity:0;position:absolute;left:166px;" />
- <input id="appFilename" style="color: green;border: 1px solid green;width:300px;" />
- <input type="button" value="File" style="border: 1px solid green;width:80px;" />
- </body>
- </html>
- <%@ page contentType="text/html;charset=UTF-8"%>
- <%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
- <script type="text/javascript">
- function getValue(){
- document.getElementById('appFilename').value = document.getElementById('appFile').value;
- validateImage();
- ajaxFileUpload();
- }
- function ajaxFileUpload()
- {
- /* $("#loading")
- .ajaxStart(function(){
- $(this).show();
- })
- .ajaxComplete(function(){
- $(this).hide();
- }); */
- $.ajaxFileUpload
- (
- {
- <a href="/admin/blogs/'/json/dff.action?op=App.upload'">url:'/json/dff.action?op=App.upload'</a>,
- secureuri:false,
- fileElementId:'appFile',
- dataType: 'json',
- success: function (data, status)
- {
- alert("1"+data);
- alert("5"+data.data.errorCode);
- if(typeof(data.errorCode) != undefined)
- {
- alert(data.data.errorCode);
- }
- },
- error: function (data, status, e)
- {
- alert("2"+data);
- alert("3"+status);
- alert("4"+e);
- }
- }
- )
- return false;
- }
- //校验图片格式及大小 Add Date 2012-6-14 LIUYI
- function validateImage() {
- var tmpFileValue = document.getElementById('appFilename').value;
- //校验图片格式
- if(/^.*?\.(apk|ipa)$/.test(tmpFileValue.toLowerCase())){
- return true;
- } else {
- alert("只能上传apk和ipa格式的文件!");
- return false;
- }
- if(file.value == ""){
- alert("请选择上传的文件!");
- return false;
- }
- }
- </script>
- jQuery.extend({
- createUploadIframe: function(id, uri)
- {
- //create frame
- var frameId = 'jUploadFrame' + id;
- var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId + '" style="position:absolute; top:-9999px; left:-9999px"';
- if(window.ActiveXObject)
- {
- if(typeof uri== 'boolean'){
- iframeHtml += ' src="' + 'javascript:false' + '"';
- }
- else if(typeof uri== 'string'){
- iframeHtml += ' src="' + uri + '"';
- }
- }
- iframeHtml += ' />';
- jQuery(iframeHtml).appendTo(document.body);
- return jQuery('#' + frameId).get(0);
- },
- createUploadForm: function(id, fileElementId, data)
- {
- //create form
- var formId = 'jUploadForm' + id;
- var fileId = 'jUploadFile' + id;
- var form = jQuery('<form action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
- if(data)
- {
- for(var i in data)
- {
- jQuery('<input type="hidden" name="' + i + '" value="' + data[i] + '" />').appendTo(form);
- }
- }
- var oldElement = jQuery('#' + fileElementId);
- var newElement = jQuery(oldElement).clone();
- jQuery(oldElement).attr('id', fileId);
- jQuery(oldElement).before(newElement);
- jQuery(oldElement).appendTo(form);
- //set attributes
- jQuery(form).css('position', 'absolute');
- jQuery(form).css('top', '-1200px');
- jQuery(form).css('left', '-1200px');
- jQuery(form).appendTo('body');
- return form;
- },
- ajaxFileUpload: function(s) {
- // TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
- s = jQuery.extend({}, jQuery.ajaxSettings, s);
- var id = new Date().getTime()
- var form = jQuery.createUploadForm(id, s.fileElementId, (typeof(s.data)=='undefined'?false:s.data));
- var io = jQuery.createUploadIframe(id, s.secureuri);
- var frameId = 'jUploadFrame' + id;
- var formId = 'jUploadForm' + id;
- // Watch for a new set of requests
- if ( s.global && ! jQuery.active++ )
- {
- jQuery.event.trigger( "ajaxStart" );
- }
- var requestDone = false;
- // Create the request object
- var xml = {}
- if ( s.global )
- jQuery.event.trigger("ajaxSend", [xml, s]);
- // Wait for a response to come back
- var uploadCallback = function(isTimeout)
- {
- var io = document.getElementById(frameId);
- try
- {
- if(io.contentWindow)
- {
- xml.responseText = io.contentWindow.document.body?io.contentWindow.document.body.innerHTML:null;
- xml.responseXML = io.contentWindow.document.XMLDocument?io.contentWindow.document.XMLDocument:io.contentWindow.document;
- }else if(io.contentDocument)
- {
- xml.responseText = io.contentDocument.document.body?io.contentDocument.document.body.innerHTML:null;
- xml.responseXML = io.contentDocument.document.XMLDocument?io.contentDocument.document.XMLDocument:io.contentDocument.document;
- }
- }catch(e)
- {
- jQuery.handleError(s, xml, null, e);
- }
- if ( xml || isTimeout == "timeout")
- {
- requestDone = true;
- var status;
- try {
- status = isTimeout != "timeout" ? "success" : "error";
- // Make sure that the request was successful or notmodified
- if ( status != "error" )
- {
- // process the data (runs the xml through httpData regardless of callback)
- var data = jQuery.uploadHttpData( xml, s.dataType );
- // If a local callback was specified, fire it and pass it the data
- if ( s.success )
- s.success( data, status );
- // Fire the global callback
- if( s.global )
- jQuery.event.trigger( "ajaxSuccess", [xml, s] );
- } else
- jQuery.handleError(s, xml, status);
- } catch(e)
- {
- status = "error";
- jQuery.handleError(s, xml, status, e);
- }
- // The request was completed
- if( s.global )
- jQuery.event.trigger( "ajaxComplete", [xml, s] );
- // Handle the global AJAX counter
- if ( s.global && ! --jQuery.active )
- jQuery.event.trigger( "ajaxStop" );
- // Process result
- if ( s.complete )
- s.complete(xml, status);
- jQuery(io).unbind()
- setTimeout(function()
- { try
- {
- jQuery(io).remove();
- jQuery(form).remove();
- } catch(e)
- {
- jQuery.handleError(s, xml, null, e);
- }
- }, 100)
- xml = null
- }
- }
- // Timeout checker
- if ( s.timeout > 0 )
- {
- setTimeout(function(){
- // Check to see if the request is still happening
- if( !requestDone ) uploadCallback( "timeout" );
- }, s.timeout);
- }
- try
- {
- var form = jQuery('#' + formId);
- jQuery(form).attr('action', s.url);
- jQuery(form).attr('method', 'POST');
- jQuery(form).attr('target', frameId);
- if(form.encoding)
- {
- jQuery(form).attr('encoding', 'multipart/form-data');
- }
- else
- {
- jQuery(form).attr('enctype', 'multipart/form-data');
- }
- jQuery(form).submit();
- } catch(e)
- {
- jQuery.handleError(s, xml, null, e);
- }
- jQuery('#' + frameId).load(uploadCallback );
- return {abort: function () {}};
- },
- uploadHttpData: function( r, type ) {
- var data = !type;
- data = type == "xml" || data ? r.responseXML : r.responseText;
- // If the type is "script", eval it in global context
- if ( type == "script" )
- jQuery.globalEval( data );
- // Get the JavaScript object, if JSON is used.
- if ( type == "json" )
- eval( "data = " + data );
- // evaluate scripts within html
- if ( type == "html" )
- jQuery("<div>").html(data).evalScripts();
- return data;
- },
- handleError: function( s, xhr, status, e ) {
- // If a local callback was specified, fire it
- if ( s.error ) {
- s.error.call( s.context || s, xhr, status, e );
- }
- // Fire the global callback
- if ( s.global ) {
- (s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
- }
- }
- })
第二种为ajaxupload
- 上传文档:
- <script src="/js/common/AjaxUpload.js" type="text/javascript"></script>
- <div class="uploadFile">
- <span id="doc"><input type="text" disabled="disabled" /></span>
- <input type="hidden" id="hidFileName" />
- <input type="button" id="btnUploadFile" value="上传" />
- <input type="button" id="btnDeleteFile" value="删除" />
- </div>
- 上传图片:
- <div class="uploadImg">
- <img id="imgShow" src="/images/nophoto.gif" />
- <input type="hidden" id="hidImgName" />
- <input type="button" id="btnUploadImg" value="上传" />
- <input type="button" id="btnDeleteImg" value="删除" />
- </div>
- window.onload = function() {
- init(); //初始化
- }
- //初始化
- function init() {
- //初始化文档上传
- var btnFile = document.getElementById("btnUploadFile");
- var doc = document.getElementById("doc");
- var hidFileName = document.getElementById("hidFileName");
- document.getElementById("btnDeleteFile").onclick = function() { DelFile(doc, hidFileName); };
- g_AjxUploadFile(btnFile, doc, hidFileName);
- //初始化图片上传
- var btnImg = document.getElementById("btnUploadImg");
- var img = document.getElementById("imgShow");
- var hidImgName = document.getElementById("hidImgName");
- document.getElementById("btnDeleteImg").onclick = function() { DelImg(img, hidImgName); };
- g_AjxUploadImg(btnImg, img, hidImgName);
- }
- var g_AjxTempDir = "/file/temp/";
- //文档上传
- function g_AjxUploadFile(btn, doc, hidPut, action) {
- var button = btn, interval;
- new AjaxUpload(button, {
- action: ((action == null || action == undefined) ? '/Common/UploadHandler.ashx?fileType=file' : action),
- data: {},
- name: 'myfile',
- onSubmit: function(file, ext) {
- if (!(ext && /^(rar|zip|pdf|pdfx|txt|csv|xls|xlsx|doc|docx|RAR|ZIP|PDF|PDFX|TXT|CSV|XLS|XLSX|DOC|DOCX)$/.test(ext))) {
- alert("您上传的文档格式不对,请重新选择!");
- return false;
- }
- },
- onComplete: function(file, response) {
- flagValue = response;
- if (flagValue == "1") {
- alert("您上传的文档格式不对,请重新选择!");
- }
- else if (flagValue == "2") {
- alert("您上传的文档大于2M,请重新选择!");
- }
- else if (flagValue == "3") {
- alert("文档上传失败!");
- }
- else {
- hidPut.value = response;
- doc.innerHTML="<a href='" + g_AjxTempDir + response + "' target='_blank'>" + response + "</a>";
- }
- }
- });
- }
- //图片上传
- function g_AjxUploadImg(btn, img, hidPut) {
- var button = btn, interval;
- new AjaxUpload(button, {
- action: '/Common/UploadHandler.ashx?fileType=img',
- data: {},
- name: 'myfile',
- onSubmit: function(file, ext) {
- if (!(ext && /^(jpg|JPG|png|PNG|gif|GIF)$/.test(ext))) {
- alert("您上传的图片格式不对,请重新选择!");
- return false;
- }
- },
- onComplete: function(file, response) {
- flagValue = response;
- if (flagValue == "1") {
- alert("您上传的图片格式不对,请重新选择!");
- }
- else if (flagValue == "2") {
- alert("您上传的图片大于200K,请重新选择!");
- }
- else if (flagValue == "3") {
- alert("图片上传失败!");
- }
- else {
- hidPut.value = response;
- img.src = g_AjxTempDir + response;
- }
- }
- });
- }
- //删除文档
- function DelFile(doc, hidPut) {
- hidPut.value = "";
- doc.innerHTML = "<input type=\"text\" disabled=\"disabled\" />";
- }
- //删除图片
- function DelImg(img, hidPut) {
- hidPut.value = "";
- img.src = "/images/nophoto.gif";
- }
- /*上传文件*/
- .uploadFile{margin-bottom:10px;}
- /*上传图片*/
- .uploadImg{}
- .uploadImg img{width:102px; height:64px; border:1px solid #CCCCCC; display: block;}
- /**
- * AJAX Upload ( http://valums.com/ajax-upload/ )
- * Copyright (c) Andris Valums
- * Licensed under the MIT license ( http://valums.com/mit-license/ )
- * Thanks to Gary Haran, David Mark, Corey Burns and others for contributions
- */
- (function () {
- /* global window */
- /* jslint browser: true, devel: true, undef: true, nomen: true, bitwise: true, regexp: true, newcap: true, immed: true */
- /**
- * Wrapper for FireBug's console.log
- */
- function log() {
- if (typeof(console) != 'undefined' && typeof(console.log) == 'function') {
- Array.prototype.unshift.call(arguments, '[Ajax Upload]');
- console.log(Array.prototype.join.call(arguments, ' '));
- }
- }
- /**
- * Attaches event to a dom element.
- * @param {Element} el
- * @param type event name
- * @param fn callback This refers to the passed element
- */
- function addEvent(el, type, fn) {
- if (el.addEventListener) {
- el.addEventListener(type, fn, false);
- } else if (el.attachEvent) {
- el.attachEvent('on' + type, function () {
- fn.call(el);
- });
- } else {
- throw new Error('not supported or DOM not loaded');
- }
- }
- /**
- * Attaches resize event to a window, limiting
- * number of event fired. Fires only when encounteres
- * delay of 100 after series of events.
- *
- * Some browsers fire event multiple times when resizing
- * http://www.quirksmode.org/dom/events/resize.html
- *
- * @param fn callback This refers to the passed element
- */
- function addResizeEvent(fn) {
- var timeout;
- addEvent(window, 'resize', function () {
- if (timeout) {
- clearTimeout(timeout);
- }
- timeout = setTimeout(fn, 100);
- });
- }
- // Needs more testing, will be rewriten for next version
- // getOffset function copied from jQuery lib (http://jquery.com/)
- if (document.documentElement.getBoundingClientRect) {
- // Get Offset using getBoundingClientRect
- // http://ejohn.org/blog/getboundingclientrect-is-awesome/
- var getOffset = function (el) {
- var box = el.getBoundingClientRect();
- var doc = el.ownerDocument;
- var body = doc.body;
- var docElem = doc.documentElement; // for ie
- var clientTop = docElem.clientTop || body.clientTop || 0;
- var clientLeft = docElem.clientLeft || body.clientLeft || 0;
- // In Internet Explorer 7 getBoundingClientRect property is treated as physical,
- // while others are logical. Make all logical, like in IE8.
- var zoom = 1;
- if (body.getBoundingClientRect) {
- var bound = body.getBoundingClientRect();
- zoom = (bound.right - bound.left) / body.clientWidth;
- }
- if (zoom > 1) {
- clientTop = 0;
- clientLeft = 0;
- }
- var top = box.top / zoom + (window.pageYOffset || docElem && docElem.scrollTop / zoom || body.scrollTop / zoom) - clientTop,
- left = box.left / zoom + (window.pageXOffset || docElem && docElem.scrollLeft / zoom || body.scrollLeft / zoom) - clientLeft;
- return {
- top: top,
- left: left
- };
- };
- } else {
- // Get offset adding all offsets
- var getOffset = function (el) {
- var top = 0,
- left = 0;
- do {
- top += el.offsetTop || 0;
- left += el.offsetLeft || 0;
- el = el.offsetParent;
- } while (el);
- return {
- left: left,
- top: top
- };
- };
- }
- /**
- * Returns left, top, right and bottom properties describing the border-box,
- * in pixels, with the top-left relative to the body
- * @param {Element} el
- * @return {Object} Contains left, top, right,bottom
- */
- function getBox(el) {
- var left, right, top, bottom;
- var offset = getOffset(el);
- left = offset.left;
- top = offset.top;
- right = left + el.offsetWidth;
- bottom = top + el.offsetHeight;
- return {
- left: left,
- right: right,
- top: top,
- bottom: bottom
- };
- }
- /**
- * Helper that takes object literal
- * and add all properties to element.style
- * @param {Element} el
- * @param {Object} styles
- */
- function addStyles(el, styles) {
- for (var name in styles) {
- if (styles.hasOwnProperty(name)) {
- el.style[name] = styles[name];
- }
- }
- }
- /**
- * Function places an absolutely positioned
- * element on top of the specified element
- * copying position and dimentions.
- * @param {Element} from
- * @param {Element} to
- */
- function copyLayout(from, to) {
- var box = getBox(from);
- addStyles(to, {
- position: 'absolute',
- left: box.left + 'px',
- top: box.top + 'px',
- width: from.offsetWidth + 'px',
- height: from.offsetHeight + 'px'
- });
- }
- /**
- * Creates and returns element from html chunk
- * Uses innerHTML to create an element
- */
- var toElement = (function () {
- var div = document.createElement('div');
- return function (html) {
- div.innerHTML = html;
- var el = div.firstChild;
- return div.removeChild(el);
- };
- })();
- /**
- * Function generates unique id
- * @return unique id
- */
- var getUID = (function () {
- var id = 0;
- return function () {
- return 'ValumsAjaxUpload' + id++;
- };
- })();
- /**
- * Get file name from path
- * @param {String} file path to file
- * @return filename
- */
- function fileFromPath(file) {
- return file.replace(/.*(\/|\\)/, "");
- }
- /**
- * Get file extension lowercase
- * @param {String} file name
- * @return file extenstion
- */
- function getExt(file) {
- return (-1 !== file.indexOf('.')) ? file.replace(/.*[.]/, '') : '';
- }
- function hasClass(el, name) {
- var re = new RegExp('\\b' + name + '\\b');
- return re.test(el.className);
- }
- function addClass(el, name) {
- if (!hasClass(el, name)) {
- el.className += ' ' + name;
- }
- }
- function removeClass(el, name) {
- var re = new RegExp('\\b' + name + '\\b');
- el.className = el.className.replace(re, '');
- }
- function removeNode(el) {
- el.parentNode.removeChild(el);
- }
- /**
- * Easy styling and uploading
- * @constructor
- * @param button An element you want convert to
- * upload button. Tested dimentions up to 500x500px
- * @param {Object} options See defaults below.
- */
- window.AjaxUpload = function (button, options) {
- this._settings = {
- // Location of the server-side upload script
- action: 'upload.php',
- // File upload name
- name: 'userfile',
- // Additional data to send
- data: {},
- // Submit file as soon as it's selected
- autoSubmit: true,
- // The type of data that you're expecting back from the server.
- // html and xml are detected automatically.
- // Only useful when you are using json data as a response.
- // Set to "json" in that case.
- responseType: false,
- // Class applied to button when mouse is hovered
- hoverClass: 'hover',
- // Class applied to button when AU is disabled
- disabledClass: 'disabled',
- // When user selects a file, useful with autoSubmit disabled
- // You can return false to cancel upload
- onChange: function (file, extension) {},
- // Callback to fire before file is uploaded
- // You can return false to cancel upload
- onSubmit: function (file, extension) {},
- // Fired when file upload is completed
- // WARNING! DO NOT USE "FALSE" STRING AS A RESPONSE!
- onComplete: function (file, response) {}
- };
- // Merge the users options with our defaults
- for (var i in options) {
- if (options.hasOwnProperty(i)) {
- this._settings[i] = options[i];
- }
- }
- // button isn't necessary a dom element
- if (button.jquery) {
- // jQuery object was passed
- button = button[0];
- } else if (typeof button == "string") {
- if (/^#.*/.test(button)) {
- // If jQuery user passes #elementId don't break it
- button = button.slice(1);
- }
- button = document.getElementById(button);
- }
- if (!button || button.nodeType !== 1) {
- throw new Error("Please make sure that you're passing a valid element");
- }
- if (button.nodeName.toUpperCase() == 'A') {
- // disable link
- addEvent(button, 'click', function (e) {
- if (e && e.preventDefault) {
- e.preventDefault();
- } else if (window.event) {
- window.event.returnValue = false;
- }
- });
- }
- // DOM element
- this._button = button;
- // DOM element
- this._input = null;
- // If disabled clicking on button won't do anything
- this._disabled = false;
- // if the button was disabled before refresh if will remain
- // disabled in FireFox, let's fix it
- this.enable();
- this._rerouteClicks();
- };
- // assigning methods to our class
- AjaxUpload.prototype = {
- setData: function (data) {
- this._settings.data = data;
- },
- disable: function () {
- addClass(this._button, this._settings.disabledClass);
- this._disabled = true;
- var nodeName = this._button.nodeName.toUpperCase();
- if (nodeName == 'INPUT' || nodeName == 'BUTTON') {
- this._button.setAttribute('disabled', 'disabled');
- }
- // hide input
- if (this._input) {
- // We use visibility instead of display to fix problem with Safari 4
- // The problem is that the value of input doesn't change if it
- // has display none when user selects a file
- this._input.parentNode.style.visibility = 'hidden';
- }
- },
- enable: function () {
- removeClass(this._button, this._settings.disabledClass);
- this._button.removeAttribute('disabled');
- this._disabled = false;
- },
- /**
- * Creates invisible file input
- * that will hover above the button
- * <div><input type='file' /></div>
- */
- _createInput: function () {
- var self = this;
- var input = document.createElement("input");
- input.setAttribute('type', 'file');
- input.setAttribute('name', this._settings.name);
- addStyles(input, {
- 'position': 'absolute',
- // in Opera only 'browse' button
- // is clickable and it is located at
- // the right side of the input
- 'right': 0,
- 'margin': 0,
- 'padding': 0,
- 'fontSize': '480px',
- 'cursor': 'pointer'
- });
- var div = document.createElement("div");
- addStyles(div, {
- 'display': 'block',
- 'position': 'absolute',
- 'overflow': 'hidden',
- 'margin': 0,
- 'padding': 0,
- 'opacity': 0,
- // Make sure browse button is in the right side
- // in Internet Explorer
- 'direction': 'ltr',
- //Max zIndex supported by Opera 9.0-9.2
- 'zIndex': 2147483583
- });
- // Make sure that element opacity exists.
- // Otherwise use IE filter
- if (div.style.opacity !== "0") {
- if (typeof(div.filters) == 'undefined') {
- throw new Error('Opacity not supported by the browser');
- }
- div.style.filter = "alpha(opacity=0)";
- }
- addEvent(input, 'change', function () {
- if (!input || input.value === '') {
- return;
- }
- // Get filename from input, required
- // as some browsers have path instead of it
- var file = fileFromPath(input.value);
- if (false === self._settings.onChange.call(self, file, getExt(file))) {
- self._clearInput();
- return;
- }
- // Submit form when value is changed
- if (self._settings.autoSubmit) {
- self.submit();
- }
- });
- addEvent(input, 'mouseover', function () {
- addClass(self._button, self._settings.hoverClass);
- });
- addEvent(input, 'mouseout', function () {
- removeClass(self._button, self._settings.hoverClass);
- // We use visibility instead of display to fix problem with Safari 4
- // The problem is that the value of input doesn't change if it
- // has display none when user selects a file
- input.parentNode.style.visibility = 'hidden';
- });
- div.appendChild(input);
- document.body.appendChild(div);
- this._input = input;
- },
- _clearInput: function () {
- if (!this._input) {
- return;
- }
- // this._input.value = ''; Doesn't work in IE6
- removeNode(this._input.parentNode);
- this._input = null;
- this._createInput();
- removeClass(this._button, this._settings.hoverClass);
- },
- /**
- * Function makes sure that when user clicks upload button,
- * the this._input is clicked instead
- */
- _rerouteClicks: function () {
- var self = this;
- // IE will later display 'access denied' error
- // if you use using self._input.click()
- // other browsers just ignore click()
- addEvent(self._button, 'mouseover', function () {
- if (self._disabled) {
- return;
- }
- if (!self._input) {
- self._createInput();
- }
- var div = self._input.parentNode;
- copyLayout(self._button, div);
- div.style.visibility = 'visible';
- });
- // commented because we now hide input on mouseleave
- /**
- * When the window is resized the elements
- * can be misaligned if button position depends
- * on window size
- */
- //addResizeEvent(function(){
- // if (self._input){
- // copyLayout(self._button, self._input.parentNode);
- // }
- //});
- },
- /**
- * Creates iframe with unique name
- * @return {Element} iframe
- */
- _createIframe: function () {
- // We can't use getTime, because it sometimes return
- // same value in safari :(
- var id = getUID();
- // We can't use following code as the name attribute
- // won't be properly registered in IE6, and new window
- // on form submit will open
- // var iframe = document.createElement('iframe');
- // iframe.setAttribute('name', id);
- var iframe = toElement('<iframe src="javascript:false;" name="' + id + '" />');
- // src="javascript:false; was added
- // because it possibly removes ie6 prompt
- // "This page contains both secure and nonsecure items"
- // Anyway, it doesn't do any harm.
- iframe.setAttribute('id', id);
- iframe.style.display = 'none';
- document.body.appendChild(iframe);
- return iframe;
- },
- /**
- * Creates form, that will be submitted to iframe
- * @param {Element} iframe Where to submit
- * @return {Element} form
- */
- _createForm: function (iframe) {
- var settings = this._settings;
- // We can't use the following code in IE6
- // var form = document.createElement('form');
- // form.setAttribute('method', 'post');
- // form.setAttribute('enctype', 'multipart/form-data');
- // Because in this case file won't be attached to request
- var form = toElement('<form method="post" enctype="multipart/form-data"></form>');
- form.setAttribute('action', settings.action);
- form.setAttribute('target', iframe.name);
- form.style.display = 'none';
- document.body.appendChild(form);
- // Create hidden input element for each data key
- for (var prop in settings.data) {
- if (settings.data.hasOwnProperty(prop)) {
- var el = document.createElement("input");
- el.setAttribute('type', 'hidden');
- el.setAttribute('name', prop);
- el.setAttribute('value', settings.data[prop]);
- form.appendChild(el);
- }
- }
- return form;
- },
- /**
- * Gets response from iframe and fires onComplete event when ready
- * @param iframe
- * @param file Filename to use in onComplete callback
- */
- _getResponse: function (iframe, file) {
- // getting response
- var toDeleteFlag = false,
- self = this,
- settings = this._settings;
- addEvent(iframe, 'load', function () {
- if ( // For Safari
- iframe.src == "javascript:'%3Chtml%3E%3C/html%3E';" ||
- // For FF, IE
- iframe.src == "javascript:'<html></html>';") {
- // First time around, do not delete.
- // We reload to blank page, so that reloading main page
- // does not re-submit the post.
- if (toDeleteFlag) {
- // Fix busy state in FF3
- setTimeout(function () {
- removeNode(iframe);
- },
- 0);
- }
- return;
- }
- var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[iframe.id].document;
- // fixing Opera 9.26,10.00
- if (doc.readyState && doc.readyState != 'complete') {
- // Opera fires load event multiple times
- // Even when the DOM is not ready yet
- // this fix should not affect other browsers
- return;
- }
- // fixing Opera 9.64
- if (doc.body && doc.body.innerHTML == "false") {
- // In Opera 9.64 event was fired second time
- // when body.innerHTML changed from false
- // to server response approx. after 1 sec
- return;
- }
- var response;
- if (doc.XMLDocument) {
- // response is a xml document Internet Explorer property
- response = doc.XMLDocument;
- } else if (doc.body) {
- // response is html document or plain text
- response = doc.body.innerHTML;
- if (settings.responseType && settings.responseType.toLowerCase() == 'json') {
- // If the document was sent as 'application/javascript' or
- // 'text/javascript', then the browser wraps the text in a <pre>
- // tag and performs html encoding on the contents. In this case,
- // we need to pull the original text content from the text node's
- // nodeValue property to retrieve the unmangled content.
- // Note that IE6 only understands text/html
- if (doc.body.firstChild && doc.body.firstChild.nodeName.toUpperCase() == 'PRE') {
- response = doc.body.firstChild.firstChild.nodeValue;
- }
- if (response) {
- response = eval("(" + response + ")");
- } else {
- response = {};
- }
- }
- } else {
- // response is a xml document
- response = doc;
- }
- settings.onComplete.call(self, file, response);
- // Reload blank page, so that reloading main page
- // does not re-submit the post. Also, remember to
- // delete the frame
- toDeleteFlag = true;
- // Fix IE mixed content issue
- iframe.src = "javascript:'<html></html>';";
- });
- },
- /**
- * Upload file contained in this._input
- */
- submit: function () {
- var self = this,
- settings = this._settings;
- if (!this._input || this._input.value === '') {
- return;
- }
- var file = fileFromPath(this._input.value);
- // user returned false to cancel upload
- if (false === settings.onSubmit.call(this, file, getExt(file))) {
- this._clearInput();
- return;
- }
- // sending request
- var iframe = this._createIframe();
- var form = this._createForm(iframe);
- // assuming following structure
- // div -> input type='file'
- removeNode(this._input.parentNode);
- removeClass(self._button, self._settings.hoverClass);
- form.appendChild(this._input);
- form.submit();
- // request set, clean up
- removeNode(form);
- form = null;
- removeNode(this._input);
- this._input = null;
- // Get response from iframe and fire onComplete event when ready
- this._getResponse(iframe, file);
- // get ready for next request
- this._createInput();
- }
- };
- })();