1 dump('entering util.list.js\n');
3 if (typeof main == 'undefined') main = {};
4 util.list = function (id) {
6 this.node = document.getElementById(id);
8 if (!this.node) throw('Could not find element ' + id);
9 switch(this.node.nodeName) {
13 throw(this.node.nodeName + ' not yet supported'); break;
14 default: throw(this.node.nodeName + ' not supported'); break;
17 JSAN.use('util.error'); this.error = new util.error();
22 util.list.prototype = {
24 'init' : function (params) {
26 JSAN.use('util.widgets');
28 if (typeof params.map_row_to_column == 'function') this.map_row_to_column = params.map_row_to_column;
29 if (typeof params.retrieve_row == 'function') this.retrieve_row = params.retrieve_row;
31 this.prebuilt = false;
32 if (typeof params.prebuilt != 'undefined') this.prebuilt = params.prebuilt;
34 if (typeof params.columns == 'undefined') throw('util.list.init: No columns');
35 this.columns = params.columns;
37 switch(this.node.nodeName) {
38 case 'tree' : this._init_tree(params); break;
39 case 'listbox' : this._init_listbox(params); break;
40 default: throw('NYI: Need ._init() for ' + this.node.nodeName); break;
44 '_init_tree' : function (params) {
48 this.treechildren = this.node.lastChild;
51 var treecols = document.createElement('treecols');
52 this.node.appendChild(treecols);
54 for (var i = 0; i < this.columns.length; i++) {
55 var treecol = document.createElement('treecol');
56 for (var j in this.columns[i]) {
57 treecol.setAttribute(j,this.columns[i][j]);
59 treecols.appendChild(treecol);
60 var splitter = document.createElement('splitter');
61 splitter.setAttribute('class','tree-splitter');
62 treecols.appendChild(splitter);
65 var treechildren = document.createElement('treechildren');
66 this.node.appendChild(treechildren);
67 this.treechildren = treechildren;
69 if (typeof params.on_select == 'function') {
70 this.node.addEventListener(
76 if (typeof params.on_click == 'function') {
77 this.node.addEventListener(
84 this.node.addEventListener(
86 function(ev) { obj.detect_visible(); },
90 this.node.addEventListener(
92 function(ev) { obj.detect_visible(); },
95 this.node.addEventListener(
97 function(ev) { obj.detect_visible(); },
100 window.addEventListener(
102 function(ev) { obj.auto_retrieve(); },
105 obj.detect_visible_polling();
108 '_init_listbox' : function (params) {
111 var listhead = document.createElement('listhead');
112 this.node.appendChild(listhead);
114 var listcols = document.createElement('listcols');
115 this.node.appendChild(listcols);
117 for (var i = 0; i < this.columns.length; i++) {
118 var listheader = document.createElement('listheader');
119 listhead.appendChild(listheader);
120 var listcol = document.createElement('listcol');
121 listcols.appendChild(listcol);
122 for (var j in this.columns[i]) {
123 listheader.setAttribute(j,this.columns[i][j]);
124 listcol.setAttribute(j,this.columns[i][j]);
130 'clear' : function (params) {
131 switch (this.node.nodeName) {
132 case 'tree' : this._clear_tree(params); break;
133 case 'listbox' : this._clear_listbox(params); break;
134 default: throw('NYI: Need .clear() for ' + this.node.nodeName); break;
136 this.error.sdump('D_LIST','Clearing list ' + this.node.getAttribute('id') + '\n');
139 '_clear_tree' : function(params) {
141 if (obj.error.sdump_levels.D_LIST_DUMP_ON_CLEAR) {
142 obj.error.sdump('D_LIST_DUMP_ON_CLEAR',obj.dump());
144 if (obj.error.sdump_levels.D_LIST_DUMP_WITH_KEYS_ON_CLEAR) {
145 obj.error.sdump('D_LIST_DUMP_WITH_KEYS_ON_CLEAR',obj.dump_with_keys());
147 while (obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
150 '_clear_listbox' : function(params) {
152 var nl = this.node.getElementsByTagName('listitem');
153 for (var i = 0; i < nl.length; i++) {
156 for (var i = 0; i < items.length; i++) {
157 this.node.removeChild(items[i]);
161 'append' : function (params) {
163 switch (this.node.nodeName) {
164 case 'tree' : rnode = this._append_to_tree(params); break;
165 case 'listbox' : rnode = this._append_to_listbox(params); break;
166 default: throw('NYI: Need .append() for ' + this.node.nodeName); break;
168 if (rnode && params.attributes) {
169 for (var i in params.attributes) {
170 rnode.setAttribute(i,params.attributes[i]);
176 '_append_to_tree' : function (params) {
180 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
182 var s = ('util.list.append: params = ' + (params) + '\n');
184 var treechildren_node = this.treechildren;
186 if (params.node && params.node.nodeName == 'treeitem') {
187 params.node.setAttribute('container','true'); /* params.node.setAttribute('open','true'); */
188 if (params.node.lastChild.nodeName == 'treechildren') {
189 treechildren_node = params.node.lastChild;
191 treechildren_node = document.createElement('treechildren');
192 params.node.appendChild(treechildren_node);
196 var treeitem = document.createElement('treeitem');
197 treeitem.setAttribute('retrieve_id',params.retrieve_id);
198 treechildren_node.appendChild( treeitem );
199 var treerow = document.createElement('treerow');
200 treeitem.appendChild( treerow );
202 s += ('tree = ' + this.node + ' treechildren = ' + treechildren_node + '\n');
203 s += ('treeitem = ' + treeitem + ' treerow = ' + treerow + '\n');
205 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
207 treerow.setAttribute('retrieve_id',params.retrieve_id);
208 obj.put_retrieving_label(treerow);
209 treerow.addEventListener(
212 //dump('fleshing = ' + params.retrieve_id + '\n');
215 params.row_node = treeitem;
216 params.on_retrieve = function(row) {
218 obj._map_row_to_treecell(params,treerow);
221 if (typeof params.retrieve_row == 'function') {
223 row = params.retrieve_row( params );
227 if (typeof obj.retrieve_row == 'function') {
229 row = obj.retrieve_row( params );
234 treerow.setAttribute('retrieved','true');
241 util.widgets.dispatch('flesh',treerow);
246 obj.put_retrieving_label(treerow);
247 treerow.addEventListener(
250 //dump('fleshing anon\n');
251 obj._map_row_to_treecell(params,treerow);
252 treerow.setAttribute('retrieved','true');
259 util.widgets.dispatch('flesh',treerow);
264 this.error.sdump('D_LIST',s);
266 setTimeout( function() { obj.auto_retrieve(); }, 0 );
271 'put_retrieving_label' : function(treerow) {
276 dump('put_retrieving_label. columns = ' + js2JSON(obj.columns) + '\n');
277 while( obj.columns[cols_idx] && obj.columns[cols_idx].hidden && obj.columns[cols_idx].hidden == 'true') {
278 dump('\t' + cols_idx);
279 var treecell = document.createElement('treecell');
280 treerow.appendChild(treecell);
284 for (var i = 0; i < obj.columns.length; i++) {
285 var treecell = document.createElement('treecell'); treecell.setAttribute('label','Retrieving...');
286 treerow.appendChild(treecell);
289 dump('\t' + cols_idx + '\n');
296 'detect_visible' : function() {
299 //dump('detect_visible obj.node = ' + obj.node + '\n');
300 /* FIXME - this is a hack.. if the implementation of tree changes, this could break */
301 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(obj.node)[1] )[1];
302 var curpos = scrollbar.getAttribute('curpos');
303 var maxpos = scrollbar.getAttribute('maxpos');
304 //alert('curpos = ' + curpos + ' maxpos = ' + maxpos + ' obj.curpos = ' + obj.curpos + ' obj.maxpos = ' + obj.maxpos + '\n');
305 if ((curpos != obj.curpos) || (maxpos != obj.maxpos)) {
306 if ( obj.auto_retrieve() > 0 ) {
307 obj.curpos = curpos; obj.maxpos = maxpos;
310 } catch(E) { alert(E); }
313 'detect_visible_polling' : function() {
315 //alert('detect_visible_polling');
317 obj.detect_visible();
318 setTimeout(function() { try { obj.detect_visible_polling(); } catch(E) { alert(E); } },1);
324 'auto_retrieve' : function () {
326 //alert('auto_retrieve\n');
327 var obj = this; var count = 0;
328 var startpos = obj.node.treeBoxObject.getFirstVisibleRow();
329 var endpos = obj.node.treeBoxObject.getLastVisibleRow();
330 if (startpos > endpos) endpos = obj.node.treeBoxObject.getPageLength();
331 //dump('startpos = ' + startpos + ' endpos = ' + endpos + '\n');
332 for (var i = startpos; i < endpos + 2; i++) {
334 //dump('trying index ' + i + '\n');
335 var item = obj.node.contentView.getItemAtIndex(i).firstChild;
336 if (item && item.getAttribute('retrieved') != 'true' ) {
337 //dump('\tgot an unfleshed item = ' + item + ' = ' + item.nodeName + '\n');
338 util.widgets.dispatch('flesh',item); count++;
341 //dump(i + ' : ' + E + '\n');
345 } catch(E) { alert(E); }
348 '_append_to_listbox' : function (params) {
352 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
354 var s = ('util.list.append: params = ' + (params) + '\n');
356 var listitem = document.createElement('listitem');
358 s += ('listbox = ' + this.node + ' listitem = ' + listitem + '\n');
360 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
364 listitem.setAttribute('retrieve_id',params.retrieve_id);
365 //FIXME//Make async and fire when row is visible in list
368 params.row_node = listitem;
369 params.on_retrieve = function(row) {
371 obj._map_row_to_listcell(params,listitem);
372 obj.node.appendChild( listitem );
375 if (typeof params.retrieve_row == 'function') {
377 row = params.retrieve_row( params );
381 if (typeof obj.retrieve_row == 'function') {
383 row = obj.retrieve_row( params );
390 this._map_row_to_listcell(params,listitem);
391 this.node.appendChild( listitem );
394 this.error.sdump('D_LIST',s);
399 '_map_row_to_treecell' : function(params,treerow) {
401 util.widgets.remove_children(treerow);
402 for (var i = 0; i < this.columns.length; i++) {
403 var treecell = document.createElement('treecell');
405 if (params.skip_columns && (params.skip_columns.indexOf(i) != -1)) {
406 treecell.setAttribute('label',label);
407 treerow.appendChild( treecell );
408 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
411 if (params.skip_all_columns_except && (params.skip_all_columns_except.indexOf(i) == -1)) {
412 treecell.setAttribute('label',label);
413 treerow.appendChild( treecell );
414 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
417 if (typeof params.map_row_to_column == 'function') {
419 label = params.map_row_to_column(params.row,this.columns[i]);
423 if (typeof this.map_row_to_column == 'function') {
425 label = this.map_row_to_column(params.row,this.columns[i]);
429 throw('No map_row_to_column function');
433 treecell.setAttribute('label',label);
434 treerow.appendChild( treecell );
435 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
437 this.error.sdump('D_LIST',s);
440 '_map_row_to_listcell' : function(params,listitem) {
442 for (var i = 0; i < this.columns.length; i++) {
444 if (typeof params.map_row_to_column == 'function') {
446 value = params.map_row_to_column(params.row,this.columns[i]);
450 if (typeof this.map_row_to_column == 'function') {
452 value = this.map_row_to_column(params.row,this.columns[i]);
455 if (typeof value == 'string' || typeof value == 'number') {
456 var listcell = document.createElement('listcell');
457 listcell.setAttribute('label',value);
458 listitem.appendChild(listcell);
459 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
461 listitem.appendChild(value);
462 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
465 this.error.sdump('D_LIST',s);
468 'retrieve_selection' : function(params) {
469 switch(this.node.nodeName) {
470 case 'tree' : return this._retrieve_selection_from_tree(params); break;
471 default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
475 '_retrieve_selection_from_tree' : function(params) {
477 var start = new Object();
478 var end = new Object();
479 var numRanges = this.node.view.selection.getRangeCount();
480 for (var t=0; t<numRanges; t++){
481 this.node.view.selection.getRangeAt(t,start,end);
482 for (var v=start.value; v<=end.value; v++){
483 var i = this.node.contentView.getItemAtIndex(v);
490 'dump' : function(params) {
491 switch(this.node.nodeName) {
492 case 'tree' : return this._dump_tree(params); break;
493 default: throw('NYI: Need .dump() for ' + this.node.nodeName); break;
497 '_dump_tree' : function(params) {
499 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
501 var treeitem = this.treechildren.childNodes[i];
502 var treerow = treeitem.firstChild;
503 for (var j = 0; j < treerow.childNodes.length; j++) {
504 row.push( treerow.childNodes[j].getAttribute('label') );
511 'dump_with_keys' : function(params) {
512 switch(this.node.nodeName) {
513 case 'tree' : return this._dump_tree_with_keys(params); break;
514 default: throw('NYI: Need .dump_with_keys() for ' + this.node.nodeName); break;
519 '_dump_tree_with_keys' : function(params) {
522 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
524 var treeitem = this.treechildren.childNodes[i];
525 var treerow = treeitem.firstChild;
526 for (var j = 0; j < treerow.childNodes.length; j++) {
527 row[ obj.columns[j].id ] = treerow.childNodes[j].getAttribute('label');
534 'dump_retrieve_ids' : function(params) {
535 switch(this.node.nodeName) {
536 case 'tree' : return this._dump_retrieve_ids_tree(params); break;
537 default: throw('NYI: Need .dump_retrieve_ids() for ' + this.node.nodeName); break;
541 '_dump_retrieve_ids_tree' : function(params) {
543 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
544 var treeitem = this.treechildren.childNodes[i];
545 dump.push( treeitem.getAttribute('retrieve_id') );
551 dump('exiting util.list.js\n');