1 /*
  2  * JBoss, Home of Professional Open Source
  3  * Copyright ${year}, Red Hat, Inc. and individual contributors
  4  * by the @authors tag. See the copyright.txt in the distribution for a
  5  * full listing of individual contributors.
  6  *
  7  * This is free software; you can redistribute it and/or modify it
  8  * under the terms of the GNU Lesser General Public License as
  9  * published by the Free Software Foundation; either version 2.1 of
 10  * the License, or (at your option) any later version.
 11  *
 12  * This software is distributed in the hope that it will be useful,
 13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15  * Lesser General Public License for more details.
 16  *
 17  * You should have received a copy of the GNU Lesser General Public
 18  * License along with this software; if not, write to the Free
 19  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21  */
 22 (function($, rf) {
 23 
 24     rf.ui = rf.ui || {};
 25 
 26     rf.ui.FileUpload = function(id, options) {
 27         this.id = id;
 28         this.items = [];
 29         this.submitedItems = [];
 30 
 31         $.extend(this, options);
 32         if (this.acceptedTypes) {
 33             this.acceptedTypes = $.trim(this.acceptedTypes).toUpperCase().split(/\s*,\s*/);
 34         }
 35         if (this.maxFilesQuantity) {
 36             this.maxFilesQuantity = parseInt($.trim(this.maxFilesQuantity));
 37         }
 38         this.element = $(this.attachToDom());
 39         this.form = this.element.parents("form:first");
 40         var header = this.element.children(".rf-fu-hdr:first");
 41         var leftButtons = header.children(".rf-fu-btns-lft:first");
 42         this.addButton = leftButtons.children(".rf-fu-btn-add:first");
 43         this.uploadButton = this.addButton.next();
 44         this.clearButton = leftButtons.next().children(".rf-fu-btn-clr:first");
 45         this.inputContainer = this.addButton.find(".rf-fu-inp-cntr:first");
 46         this.input = this.inputContainer.children("input");
 47         this.list = header.next();
 48         this.element.bind('dragenter', function(e) {e.stopPropagation(); e.preventDefault();});
 49         this.element.bind('dragover', function(e) {e.stopPropagation(); e.preventDefault();});
 50         this.element.bind('drop', $.proxy(this.__addItemsFromDrop, this));
 51 
 52         this.hiddenContainer = this.list.next();
 53         this.cleanInput = this.input.clone();
 54         this.addProxy = $.proxy(this.__addItems, this);
 55         this.input.change(this.addProxy);
 56         this.addButton.mousedown(pressButton).mouseup(unpressButton).mouseout(unpressButton);
 57         this.uploadButton.click($.proxy(this.__startUpload, this)).mousedown(pressButton)
 58             .mouseup(unpressButton).mouseout(unpressButton);
 59         this.clearButton.click($.proxy(this.__removeAllItems, this)).mousedown(pressButton)
 60             .mouseup(unpressButton).mouseout(unpressButton);
 61         if (this.onfilesubmit) {
 62             rf.Event.bind(this.element, "onfilesubmit", new Function("event", this.onfilesubmit));
 63         }
 64         if (this.ontyperejected) {
 65             rf.Event.bind(this.element, "ontyperejected", new Function("event", this.ontyperejected));
 66         }
 67         if (this.onuploadcomplete) {
 68             rf.Event.bind(this.element, "onuploadcomplete", new Function("event", this.onuploadcomplete));
 69         }
 70         if (this.onclear) {
 71             rf.Event.bind(this.element, "onclear", new Function("event", this.onclear));
 72         }
 73         if (this.onfileselect) {
 74             rf.Event.bind(this.element, "onfileselect", new Function("event", this.onfileselect));
 75         }
 76     };
 77 
 78     var UID = "rf_fu_uid";
 79     var UID_ALT = "rf_fu_uid_alt";
 80     var FAKE_PATH = "C:\\fakepath\\";
 81     var ITEM_HTML = '<div class="rf-fu-itm">'
 82         + '<span class="rf-fu-itm-lft"><span class="rf-fu-itm-lbl"/><span class="rf-fu-itm-st" />'
 83         + '<div class="progress progress-striped active">'
 84         + '<div class="progress-bar" role="progressbar" aria-valuenow="0" aria-valuemin="0" aria-valuemax="100" style="width: 0%">'
 85         + '<span></span></div></div></span>'
 86         + '<span class="rf-fu-itm-rgh"><a href="javascript:void(0)" class="rf-fu-itm-lnk"/></span></div>';
 87 
 88     var ITEM_STATE = {
 89         NEW: "new",
 90         UPLOADING: "uploading",
 91         DONE: "done",
 92         SIZE_EXCEEDED: "sizeExceeded",
 93         STOPPED: "stopped",
 94         SERVER_ERROR: "serverError"
 95     };
 96 
 97     var pressButton = function(event) {
 98         $(this).children(":first").css("background-position", "3px 3px").css("padding", "4px 4px 2px 22px");
 99     };
100 
101     var unpressButton = function(event) {
102         $(this).children(":first").css("background-position", "2px 2px").css("padding", "3px 5px 3px 21px");
103     };
104 
105     rf.BaseComponent.extend(rf.ui.FileUpload);
106 
107     function TypeRejectedException(fileName) {
108         this.name = "TypeRejectedException";
109         this.message = "The type of file " + fileName + " is not accepted";
110         this.fileName = fileName;
111     }
112 
113     $.extend(rf.ui.FileUpload.prototype, (function () {
114 
115         return {
116             name: "FileUpload",
117 
118             doneLabel: "Done",
119             sizeExceededLabel: "File size is exceeded",
120             stoppedLabel: "",
121             serverErrorLabel: "Server error",
122             clearLabel: "Clear",
123             deleteLabel: "Delete",
124 
125             __addFiles : function(files) {
126                 var context = {
127                     acceptedFileNames: [],
128                     rejectedFileNames: []
129                 };
130 
131                 if (files) {
132                     for (var i = 0 ; i < files.length; i++) {
133                         this.__tryAddItem(context, files[i]);
134 
135                         if (this.maxFilesQuantity && this.__getTotalItemCount() >= this.maxFilesQuantity) {
136                             this.addButton.hide();
137                             break;
138                         }
139                     }
140                 } else {
141                     var fileName = this.input.val();
142                     this.__tryAddItem(context, fileName);
143                 }
144 
145                 if (context.rejectedFileNames.length > 0) {
146                     rf.Event.fire(this.element, "ontyperejected", context.rejectedFileNames.join(','));
147                 }
148 
149                 if (this.immediateUpload) {
150                     this.__startUpload();
151                 }
152             },
153 
154             __addItems : function() {
155                 this.__addFiles(this.input.prop("files"));
156             },
157 
158             __addItemsFromDrop: function(dropEvent) {
159                 dropEvent.stopPropagation();
160                 dropEvent.preventDefault();
161                 
162                 if (this.maxFilesQuantity && this.__getTotalItemCount() >= this.maxFilesQuantity) {
163                     return;
164                 }
165 
166                 this.__addFiles(dropEvent.originalEvent.dataTransfer.files);
167             },
168 
169             __tryAddItem: function(context, file) {
170                 try {
171                     if (this.__addItem(file)) {
172                         context.acceptedFileNames.push(file.name);
173                     }
174                 } catch (e) {
175                     if (e instanceof TypeRejectedException) {
176                         context.rejectedFileNames.push(file.name);
177                     } else {
178                         throw e;
179                     }
180                 }
181             },
182 
183             __addItem: function(file) {
184                 var fileName = file.name;
185                 if (!navigator.platform.indexOf("Win")) {
186                     fileName = fileName.match(/[^\\]*$/)[0];
187                 } else {
188                     if (!fileName.indexOf(FAKE_PATH)) {
189                         fileName = fileName.substr(FAKE_PATH.length);
190                     } else {
191                         fileName = fileName.match(/[^\/]*$/)[0];
192                     }
193                 }
194                 if (this.__accept(fileName) && (!this.noDuplicate || !this.__isFileAlreadyAdded(fileName))) {
195                     this.input.remove();
196                     this.input.unbind("change", this.addProxy);
197                     var item = new Item(this, file);
198                     this.list.append(item.getJQuery());
199                     this.items.push(item);
200                     this.input = this.cleanInput.clone();
201                     this.inputContainer.append(this.input);
202                     this.input.change(this.addProxy);
203                     this.__updateButtons();
204                     rf.Event.fire(this.element, "onfileselect", fileName);
205                     return true;
206                 }
207 
208                 return false;
209             },
210 
211             __removeItem: function(item) {
212                 this.items.splice($.inArray(item, this.items), 1);
213                 this.submitedItems.splice($.inArray(item, this.submitedItems), 1);
214                 this.__updateButtons();
215                 rf.Event.fire(this.element, "onclear", [item.model]);
216             },
217 
218             __removeAllItems: function(item) {
219                 var itemsRemoved = [];
220                 for (var i in this.submitedItems) {
221                     itemsRemoved.push(this.submitedItems[i].model);
222                 }
223                 for (var i in this.items) {
224                     itemsRemoved.push(this.items[i].model);
225                 }
226                 this.list.empty();
227                 this.items.splice(0, this.items.length);
228                 this.submitedItems.splice(0, this.submitedItems.length);
229                 this.__updateButtons();
230                 rf.Event.fire(this.element, "onclear", itemsRemoved);
231             },
232 
233             __updateButtons: function() {
234                 if (!this.loadableItem && this.list.children(".rf-fu-itm").size()) {
235                     if (this.items.length) {
236                         this.uploadButton.css("display", "inline-block");
237                     } else {
238                         this.uploadButton.hide();
239                     }
240                     this.clearButton.css("display", "inline-block");
241                 } else {
242                     this.uploadButton.hide();
243                     this.clearButton.hide();
244                 }
245                 if (this.maxFilesQuantity && this.__getTotalItemCount() >= this.maxFilesQuantity) {
246                     this.addButton.hide();
247                 } else {
248                     this.addButton.css("display", "inline-block");
249                 }
250             },
251 
252             __startUpload: function() {
253                 if (!this.items.length) {
254                     this.__finishUpload();
255                     return;
256                 }
257                 this.loadableItem = this.items.shift();
258                 this.__updateButtons();
259                 this.loadableItem.startUploading();
260             },
261 
262             __accept: function(fileName) {
263                 fileName = fileName.toUpperCase();
264                 var result = !this.acceptedTypes;
265                 for (var i = 0; !result && i < this.acceptedTypes.length; i++) {
266                     var extension = "." + this.acceptedTypes[i];
267 
268                     if (extension === "." && fileName.indexOf(".") < 0) {
269                         // no extension
270                         result = true;
271                     } else {
272                         result = fileName.indexOf(extension, fileName.length - extension.length) !== -1;
273                     }
274                 }
275                 if (!result) {
276                     throw new TypeRejectedException(fileName);
277                 }
278                 return result;
279             },
280 
281             __isFileAlreadyAdded: function(fileName) {
282                 var result = false;
283                 for (var i = 0; !result && i < this.items.length; i++) {
284                     result = this.items[i].model.name == fileName;
285                 }
286                 result = result || (this.loadableItem && this.loadableItem.model.name == fileName);
287                 for (var i = 0; !result && i < this.submitedItems.length; i++) {
288                     result = this.submitedItems[i].model.name == fileName;
289                 }
290                 return result;
291             },
292 
293 
294             __getTotalItemCount : function() {
295                 return this.__getItemCountByState(this.items, ITEM_STATE.NEW)
296                     + this.__getItemCountByState(this.submitedItems, ITEM_STATE.DONE);
297             },
298 
299             __getItemCountByState : function(items) {
300                 var statuses = {};
301                 var s = 0;
302                 for ( var i = 1; i < arguments.length; i++) {
303                     statuses[arguments[i]] = true;
304                 }
305                 for ( var i = 0; i < items.length; i++) {
306                     if (statuses[items[i].model.state]) {
307                         s++;
308                     }
309                 }
310                 return s;
311             },
312 
313             __finishUpload : function() {
314                 this.loadableItem = null;
315                 this.__updateButtons();
316                 var items = [];
317                 for (var i in this.submitedItems) {
318                     items.push(this.submitedItems[i].model);
319                 }
320                 for (var i in this.items) {
321                     items.push(this.items[i].model);
322                 }
323                 rf.Event.fire(this.element, "onuploadcomplete", items);
324             }
325         };
326     })());
327 
328 
329     var Item = function(fileUpload, file) {
330         this.fileUpload = fileUpload;
331         this.model = {name: file.name, state: ITEM_STATE.NEW, file: file};
332     };
333 
334     $.extend(Item.prototype, {
335             getJQuery: function() {
336                 this.element = $(ITEM_HTML);
337                 var leftArea = this.element.children(".rf-fu-itm-lft:first");
338                 this.label = leftArea.children(".rf-fu-itm-lbl:first");
339                 this.state = this.label.nextAll(".rf-fu-itm-st:first");
340                 this.progressBar = leftArea.find(".progress-bar");
341                 this.progressBar.parent().hide();
342                 this.progressLabel = this.progressBar.find('span');
343                 this.link = leftArea.next().children("a");
344                 this.label.html(this.model.name);
345                 this.link.html(this.fileUpload["deleteLabel"]);
346                 this.link.click($.proxy(this.removeOrStop, this));
347                 return this.element;
348             },
349 
350             removeOrStop: function() {
351                 this.element.remove();
352                 this.fileUpload.__removeItem(this);
353             },
354 
355             startUploading: function() {
356                 this.state.css("display", "block");
357                 this.progressBar.parent().show();
358                 this.progressLabel.html("0 %");
359                 this.link.html("");
360                 this.model.state = ITEM_STATE.UPLOADING;
361                 this.uid = Math.random();
362 
363                 var formData = new FormData(this.fileUpload.form[0]);
364                     fileName = this.model.file.name;
365 
366                 formData.append(this.fileUpload.id, this.model.file);
367 
368                 var originalAction = this.fileUpload.form.attr("action"),
369                     delimiter = originalAction.indexOf("?") == -1 ? "?" : "&",
370                     newAction =  originalAction + delimiter + UID + "=" + this.uid + 
371                         "&javax.faces.partial.ajax=true" + 
372                         "&javax.faces.source="           + this.fileUpload.id +
373                         "&javax.faces.partial.execute="  + this.fileUpload.id +
374                         "&org.richfaces.ajax.component=" + this.fileUpload.id + 
375                         "&" + jsf.getViewState(this.fileUpload.form[0]);
376 
377                 if (jsf.getClientWindow && jsf.getClientWindow()) {
378                     newAction += "&javax.faces.ClientWindow=" + jsf.getClientWindow();
379                 };
380 
381                 this.xhr = new XMLHttpRequest();
382 
383                 this.xhr.open('POST', newAction, true);
384                 this.xhr.setRequestHeader('Faces-Request', 'partial/ajax');
385                 
386                 this.xhr.upload.onprogress = $.proxy(function(e) {
387                         if (e.lengthComputable) {
388                             var progress = Math.floor((e.loaded / e.total) * 100);
389                             this.progressLabel.html( progress + " %" );
390                             this.progressBar.attr("aria-valuenow", progress);
391                             this.progressBar.css("width", progress + "%");
392                         }
393                     }, this);
394 
395                 this.xhr.upload.onerror = $.proxy(function (e) {
396                         this.finishUploading(ITEM_STATE.SERVER_ERROR);
397                     }, this);
398                     
399                 this.xhr.onload = $.proxy(function (e) {
400                     switch (e.target.status) {
401                         case 413:
402                             responseStatus = ITEM_STATE.SIZE_EXCEEDED;
403                             break;
404                         case 200:
405                             responseStatus = ITEM_STATE.DONE;
406                             break;
407                         default: // 500 - error in processing parts
408                             responseStatus = ITEM_STATE.SERVER_ERROR;
409                     }
410                     
411                     var responseContext = {
412                             source: this.fileUpload.element[0],
413                             element: this.fileUpload.element[0],
414                             /* hack for MyFaces *