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