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/*
* Copyright 2013-2018 butor.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/** @deprecated use butor.Upload */
Upload = function(url_, listener_, scope_) {
var uid = function() {
return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
};
var __id = uid() +'-' +uid() + "-" + uid() + "-" + uid() + "-" + uid() + "-"
+ uid() + uid() + uid();
var __listener = listener_;
var __scope = scope_;
var __url = url_;
var __form = null;
var __if = document.createElement('iframe');
document.body.appendChild(__if);
__if.id = __id;
__if.width = 0;
__if.height = 0;
__if.style.display = 'none';
// let the iframe initialize before adding the __form ino it!
setTimeout(function() {
var form = document.createElement('form');
form.action = __url;
form.method = 'post';
form.enctype = 'multipart/form-data';
__if.contentDocument.body.appendChild(form);
// after the post of the form (upload), the result will trigger an load event. this
// will let us know the the upload is finished.
// TODO later show progress bars...
__if.onpost = function() {
__dispatchNotification({type: "upload-started"});
};
__if.onload = function() {
// id = __if.contentDocument.getElementById('uploadId').value;
try {
var msg = null;
if (__if.contentDocument.body.firstChild) {
msg = __if.contentDocument.body.firstChild.textContent;
}
if (msg && msg.toLowerCase().indexOf('ok') === 0) {
__dispatchNotification({type: 'upload-succeeded', data: msg});
} else {
__dispatchNotification({type: 'upload-failed', data: msg});
}
__if.parentNode.removeChild(__if);
} catch (ex) {
alert('Upload():' + ex);
}
};
__form = form;
__dispatchNotification({type: 'upload-ready'});
}, 500);
/**
* @method __dispatchNotification
* @access private
* @memberof butor.Upload#
* @description Dispatch the notification to the inner listener.
* @param {Object} notif - Notification.
*/
var __dispatchNotification = function(notif_) {
notif_.uploadId = __id;
if (__listener)
__listener.call(__scope, notif_);
};
return {
getId: function() {
return __id;
},
dispose: function() {
this.clear();
__if.parentNode.removeChild(__if);
},
clear: function() {
for (var ii = 0; ii < __form.elements.length; ii++) {
var ff = __form.elements[ii];
__form.removeChild(ff);
}
},
// attachFile : function(name_) {
// var upwin = openLocation({url:'upload.jsp?ts='+ new Date().time, inNewWindow:true,width:400,height:100,
// status:'no', toolbar:'no', location:'no', menubar:'no', catchUnload:true});
// setTimeout(function() {
// upwin.focus();
// upwin.init(name_);
// }, 500);
// },
removeFile: function(name_) {
for (var ii = 0; ii < __form.elements.length; ii++) {
var ff = __form.elements[ii];
if (ff.name === name_) {
__form.removeChild(ff);
__dispatchNotification({type: 'file-removed', name: ff.name, value: ff.value});
break;
}
}
},
addFile: function(fileElm_) {
// replace element;
this.removeFile(fileElm_.name);
__form.appendChild(fileElm_);
__dispatchNotification({type: 'file-added', data: fileElm_.value});
},
addField: function(name_, value_) {
var field = document.createElement('input');
field.name = name_;
field.value = value_;
field.type = 'hidden';
// replace element;
this.removeField(name_);
__form.appendChild(field);
},
removeField: function(name_) {
for (var ii = 0; ii < __form.elements.length; ii++) {
var ff = __form.elements[ii];
if (ff.name === name_) {
__form.removeChild(ff);
break;
}
}
},
startUpload: function(params_) {
if (params_) {
for (var key in params_) {
var val = params_[key];
var elm = document.createElement('input');
elm.name = key;
elm.value = val;
elm.type = 'hidden';
__form.appendChild(elm);
}
}
if (__form.elements.length === 0) {
__dispatchNotification({type: "upload-failed", data: "nothing-to-upload"});
return;
}
__form.submit();
}
};
};
/**
* @class Upload
* @memberof butor
* @description Resources uploader.
*
* This uploader creates an iFrame where all the files' url are stores.
* Once all the files selected, the uploader submits each file url in order to be treated by any Back-End service.
*
* @param {String} url - URL of the file.
* @fires butor.Upload#upload-ready
* @fires butor.Upload#upload-started
* @fires butor.Upload#upload-finished
* @fires butor.Upload#file-added
* @fires butor.Upload#file-removed
*/
butor.Upload = butor.Upload || butor.Class.define({
_url : null,
_form : null,
_if : null,
_id : null,
construct : function(url) {
this._url = url;
this._if = $('
