skins/ajax_scripts/folder_contents_script.js

   1 // (c) Benoît PIN 2006-2007
   2 // http://plinn.org
   3 // Licence GPL
   4 //
   5 //
   6
   7 var FolderDDropControler;
   8 var DropTarget;
   9 var loadListing;
  10 var DDFolderUploader;
  11
  12 (function(){
  13
  14 function getTargetRow(evt){
  15         var target = getTargetedObject(evt);
  16         while (target.nodeName !== "TR") {
  17                 target = target.parentNode; }
  18         return target;
  19 }
  20
  21 FolderDDropControler = function(listing, firstItemPos) {
  22         this.folderUrl = document.getElementById("FolderUrl").innerHTML;
  23         this.targetRow = null;
  24         this.lastOverPosition = null;
  25         this.prevDirUp = null;
  26         this.noOver = true;
  27         this.listing = listing;
  28         this.firstItemPos = firstItemPos;
  29         this._updatePositions();
  30         this.lastCBChecked = undefined;
  31         var thisControler = this;
  32         this.listing.onmousedown        = function(evt) {thisControler.drag(evt);};
  33         this.listing.onmouseover        = function(evt) {thisControler.moveRow(evt);};
  34         this.listing.onmouseup          = function(evt) {thisControler.drop(evt);};
  35         addListener(this.listing, 'click', function(evt) {thisControler.disableClickAfterDrop(evt);});
  36         addListener(this.listing, 'click', function(evt) {thisControler.selectCBRange(evt);});
  37
  38         if (browser.isIE) {
  39                 this.listing.ondragstart = function() { window.event.returnValue = false;};
  40         }
  41 };
  42
  43 FolderDDropControler.prototype._updatePositions = function() {
  44         var rows = this.listing.getElementsByTagName("TR");
  45         var i, row;
  46         for (i=0 ; i < rows.length ; i++ ) {
  47                 row = rows[i];
  48                 row.pos = i + this.firstItemPos;
  49                 if (i % 2 === 0) {
  50                         row.className = "even"; }
  51                 else {
  52                         row.className = "odd"; }
  53         }
  54 };
  55
  56 FolderDDropControler.prototype.drag =  function(evt){
  57         var target = getTargetedObject(evt);
  58         if (target.nodeName === "INPUT") { return true; }
  59         disableDefault(evt);
  60         var targetRow = getTargetRow(evt);
  61         targetRow.style.backgroundColor = base_properties.highLightColor;
  62         this.listing.style.cursor = "move";
  63         this.targetRow = targetRow;
  64         this.lastOverPosition = targetRow.pos;
  65 };
  66
  67 FolderDDropControler.prototype.moveRow =  function(evt){
  68         var targetRow = this.targetRow;
  69         if (targetRow !== null) {
  70                 this.noOver = false;
  71                 if (browser.isIE) {document.selection.clear();}
  72                 var overRow = getTargetRow(evt);
  73
  74                 if (overRow.pos === targetRow.pos) {return;}
  75
  76                 if (this.lastOverPosition < overRow.pos) { // move up
  77                         this.listing.insertBefore(targetRow, overRow.nextSibling);
  78                         this.prevDirUp = true;
  79                         this.lastOverPosition = overRow.pos;
  80                 }
  81                 else if (this.lastOverPosition > overRow.pos) { // move down
  82                         this.listing.insertBefore(targetRow, overRow);
  83                         this.prevDirUp = false;
  84                         this.lastOverPosition = overRow.pos;
  85                 }
  86                 else {
  87                         if (this.prevDirUp) {
  88                                 this.prevDirUp = false;
  89                                 this.listing.insertBefore(targetRow, overRow);
  90                         }
  91                         else {
  92                                 this.prevDirUp = true;
  93                                 this.listing.insertBefore(targetRow, overRow.nextSibling);
  94                         }
  95                 }
  96         }
  97 };
  98
  99 FolderDDropControler.prototype.drop =  function(evt){
 100         var targetRow = this.targetRow;
 101         if (targetRow !== null) {
 102                 targetRow.style.backgroundColor="";
 103                 this.listing.style.cursor = "";
 104                 var thisControler = this;
 105                 if (this.noOver) {
 106                         setTimeout(function(){thisControler.reset();}, 50);
 107                         return;
 108                 }
 109                 if (this.lastOverPosition !== null) {
 110                         // get new object position.
 111                         var trim = 0;
 112                         if (targetRow.pos < this.lastOverPosition && !this.prevDirUp) {
 113                                 trim = -1; }
 114                         else if (targetRow.pos > this.lastOverPosition && this.prevDirUp) {
 115                                 trim = 1; }
 116
 117                         // construct url
 118                         var object_id = targetRow.getElementsByTagName("INPUT")[0].getAttribute("value");
 119                         var url = this.folderUrl + "/moveObjectIdToPosition";
 120                         var form ="object_id=" + object_id + "&position:int=" +
 121                                            String(this.lastOverPosition - 1 + trim);
 122
 123                         // reinitialize positions
 124                         this._updatePositions();
 125
 126                         // send request
 127                         var req = new XMLHttpRequest();
 128                         req.open("POST", url, true);
 129                         req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 130                         req.send(form);
 131                         setTimeout(function(){thisControler.reset();}, 50);
 132                 }
 133         }
 134 };
 135
 136 FolderDDropControler.prototype.disableClickAfterDrop = function(evt) {
 137         var target = getTargetedObject(evt);
 138         if (!this.noOver) {
 139                 disablePropagation(evt);
 140                 disableDefault(evt);
 141         }
 142         this.reset();
 143 };
 144
 145 FolderDDropControler.prototype.selectCBRange = function(evt) {
 146         var target = getTargetedObject(evt);
 147         if (target.tagName === 'INPUT' && target.type === 'checkbox') {
 148                 evt = getEventObject(evt);
 149                 var shift = evt.shiftKey;
 150                 if (shift && this.lastCBChecked) {
 151                         var from = this.getCBIndex(this.lastCBChecked);
 152                         var to = this.getCBIndex(target);
 153                         var rows = this.listing.getElementsByTagName('TR');
 154                         var start = Math.min(from, to);
 155                         var stop = Math.max(from, to);
 156                         var i;
 157                         for (i=start ; i<stop ; i++ ) {
 158                                 rows[i].getElementsByTagName('INPUT')[0].checked = true;
 159                         }
 160                 }
 161                 else if (target.checked) {
 162                         this.lastCBChecked = target;
 163                 }
 164                 else {
 165                         this.lastCBChecked = undefined;
 166                 }
 167         }
 168 };
 169
 170 FolderDDropControler.prototype.getCBIndex = function(cb) {
 171         var row = cb.parentNode;
 172         while(row.tagName !== 'TR') {
 173                 row = row.parentNode;
 174         }
 175         return row.pos - this.firstItemPos;
 176 };
 177
 178 FolderDDropControler.prototype.reset = function() {
 179         this.targetRow = null;
 180         this.lastOverPosition = null;
 181         this.prevDirUp = null;
 182         this.noOver = true;
 183 };
 184
 185
 186
 187 DropTarget = function(node, folderDDControler) {
 188         this.folderDDControler = folderDDControler;
 189         this.batchSize = parseInt(document.getElementById("BatchNavigationSize").innerHTML, 10);
 190         var thisControler = this;
 191         node.onmouseup = function(evt){thisControler.drop(evt);};
 192         node.onmouseover = function(evt) {thisControler.highlightTarget(evt);};
 193         node.onmouseout = function(evt) {
 194                 var target = getTargetedObject(evt);
 195                 if (target.nodeName === "A" && target.className === "dropPageTarget"){
 196                         target.className = "";}
 197         };
 198 };
 199
 200 DropTarget.prototype.drop = function(evt) {
 201         var target = getTargetedObject(evt);
 202         if (target.nodeName === "A" &&
 203                 target.className !== "previous" &&
 204                 target.className !== "next") {
 205                 var pageNumber = parseInt(target.innerHTML, 10);
 206                 var targetRow = this.folderDDControler.targetRow;
 207                 if ( !isNaN(pageNumber) && targetRow) {
 208                         this.folderDDControler.reset();
 209                         var object_id = targetRow.getElementsByTagName("INPUT")[0].getAttribute("value");
 210                         var url = this.folderDDControler.folderUrl + "/moveObjectIdToPosition";
 211                         var form ="object_id=" + object_id + "&position:int=" + String(this.batchSize * (pageNumber-1));
 212                         // send request
 213                         var req = new XMLHttpRequest();
 214                         req.open("POST", url, true);
 215                         req.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
 216                         req.send(form);
 217                         req.onreadystatechange = function() {
 218                                 if (req.readyState === 4) {
 219                                         switch (req.status) {
 220                                                 case 200:
 221                                                 case 204:
 222                                                 case 1223:
 223                                                         raiseMouseEvent(target, "click");
 224                                                         break;
 225                                                 default:
 226                                                         alert('Error: ' + req.status);
 227                                         }
 228                                 }
 229                         };
 230                 }
 231         }
 232 };
 233
 234 DropTarget.prototype.highlightTarget = function(evt){
 235         if (browser.isIE) {document.selection.clear();}
 236         var target = getTargetedObject(evt);
 237         if (this.folderDDControler.targetRow &&
 238                 target.nodeName === "A" &&
 239                 target.className !== "previous" &&
 240                 target.className !== "next"){
 241                 target.className = "dropPageTarget";}
 242 };
 243
 244
 245
 246
 247 loadListing = function(evt) {
 248         var target = getTargetedObject(evt);
 249         disableDefault(evt);
 250         disablePropagation(evt);
 251         var url;
 252         switch (target.nodeName) {
 253                 case "A" :
 254                         var parts = target.href.split('?');
 255                         url = parts[0];
 256                         var query = '';
 257                         if (parts.length === 2){
 258                                 query = parts[1];}
 259
 260                         var urlParts = url.split("/");
 261                         url = urlParts.slice(0,urlParts.length-1).join("/");
 262                         if (query.search("template") === -1){
 263                                 query += "&template=folder_contents_macros&macro=FolderListing&fragmentId=FolderListing";}
 264                         url = url + "/folder_contents?" + query;
 265
 266                         var fi = new FragmentImporter(url);
 267                         fi.load();
 268                         break;
 269
 270                 case "IMG" :
 271                         if (target.id === 'SetSortingAsDefault') {
 272                                 var parent = target.parentNode;
 273                                 url = parent.href;
 274                                 url = url.replace("folder_contents", "folder_sort_control");
 275                                 parent.parentNode.removeChild(parent);
 276
 277                                 var req = new XMLHttpRequest();
 278                                 req.open("GET", url, true);
 279                                 req.send(null);
 280                         }
 281                         break;
 282         }
 283         return false;
 284 };
 285
 286 DDFolderUploader = function(dropbox, uploadUrl, listing) {
 287         DDFileUploaderBase.apply(this, [dropbox, uploadUrl]);
 288         this.listing = listing;
 289         this.progressBarMaxSize = listing.clientWidth;
 290         var thead = listing;
 291         do {
 292                 thead = thead.previousSibling;
 293         } while (thead.tagName !== 'THEAD');
 294
 295         var cells = thead.getElementsByTagName('th');
 296         var cell, i;
 297         this.tableSpan = 0;
 298         for (i=0 ; i < cells.length ; i++) {
 299                 cell = cells[i];
 300                 this.tableSpan += cell.getAttribute('colspan') ? Number(cell.getAttribute('colspan')) : 1;
 301         }
 302         var lastRow = listing.lastChild;
 303         while(lastRow && lastRow.tagName !== 'TR') {
 304                 lastRow = lastRow.previousSibling;
 305         }
 306         this.lastRowClassName = lastRow ? lastRow.className : 'even';
 307 };
 308
 309 copyPrototype(DDFolderUploader, DDFileUploaderBase);
 310
 311
 312 DDFolderUploader.prototype.createRow = function(file) {
 313         var row = document.createElement('tr');
 314         row.file = file;
 315         row.className = this.lastRowClassName === 'even' ? 'odd' : 'even';
 316         this.lastRowClassName = row.className;
 317         var td = document.createElement('td');
 318         td.setAttribute('colspan', this.tableSpan);
 319         var relSpan = document.createElement('span');
 320         relSpan.style.position = 'relative';
 321         td.appendChild(relSpan);
 322         var progressBar = document.createElement('span');
 323         progressBar.className = 'upload-progress';
 324         row.progressBar = progressBar;
 325         relSpan.appendChild(progressBar);
 326         var fileNameSpan = document.createElement('span');
 327         fileNameSpan.innerHTML = file.name;
 328         td.appendChild(fileNameSpan);
 329         row.appendChild(td);
 330         this.listing.appendChild(row);
 331         this.progressBarMaxSize = row.clientWidth;
 332         return row;
 333 };
 334
 335 // Methods about upload
 336 DDFolderUploader.prototype.handleFiles = function(files) {
 337         var file, i, row;
 338         for (i = 0; i < files.length; i++) {
 339                 file = files[i];
 340                 row = this.createRow(file);
 341                 this.uploadQueuePush(row);
 342         }
 343 };
 344
 345 DDFolderUploader.prototype.beforeUpload = function(item) {
 346         this.uploadedItem = item;
 347         this.progressBar = item.progressBar;
 348 };
 349
 350 DDFolderUploader.prototype.uploadCompleteHandlerCB = function(req) {
 351         var item = this.uploadedItem;
 352         var row = getCopyOfNode(req.responseXML.documentElement.firstChild);
 353         row.className = item.className;
 354
 355         if (req.status === 200) {
 356                 // update
 357                 console.log('todo');
 358         }
 359         else if(req.status === 201) {
 360                 // creation
 361                 this.listing.replaceChild(row, item);
 362                 this.progressBarMaxSize = row.clientWidth;
 363         }
 364 };
 365
 366 DDFolderUploader.prototype.progressHandlerCB = function(progress) {
 367         // 0 <= progress <= 1
 368         var size = this.progressBarMaxSize * progress;
 369         size = Math.round(size);
 370         this.progressBar.style.width = size + 'px';
 371 };
 372
 373 }());