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 'row_count' : { 'total' : 0, 'fleshed' : 0, 'all_fleshed' : true },
26 'init' : function (params) {
30 JSAN.use('util.widgets');
32 if (typeof params.map_row_to_column == 'function') obj.map_row_to_column = params.map_row_to_column;
33 if (typeof params.retrieve_row == 'function') obj.retrieve_row = params.retrieve_row;
36 if (typeof params.prebuilt != 'undefined') obj.prebuilt = params.prebuilt;
38 if (typeof params.columns == 'undefined') throw('util.list.init: No columns');
39 obj.columns = params.columns;
41 switch(obj.node.nodeName) {
42 case 'tree' : obj._init_tree(params); break;
43 case 'listbox' : obj._init_listbox(params); break;
44 default: throw('NYI: Need ._init() for ' + obj.node.nodeName); break;
51 if (typeof obj.on_all_fleshed == 'function') {
52 obj.on_all_fleshed(a,b,c);
59 '_init_tree' : function (params) {
63 this.treechildren = this.node.lastChild;
66 var treecols = document.createElement('treecols');
67 this.node.appendChild(treecols);
69 for (var i = 0; i < this.columns.length; i++) {
70 var treecol = document.createElement('treecol');
71 for (var j in this.columns[i]) {
72 treecol.setAttribute(j,this.columns[i][j]);
74 treecols.appendChild(treecol);
75 var splitter = document.createElement('splitter');
76 splitter.setAttribute('class','tree-splitter');
77 treecols.appendChild(splitter);
80 var treechildren = document.createElement('treechildren');
81 this.node.appendChild(treechildren);
82 this.treechildren = treechildren;
84 if (typeof params.on_select == 'function') {
85 this.node.addEventListener(
91 if (typeof params.on_click == 'function') {
92 this.node.addEventListener(
99 this.node.addEventListener(
101 function(ev) { obj.detect_visible(); },
105 this.node.addEventListener(
107 function(ev) { obj.auto_retrieve(); },
110 this.node.addEventListener(
112 function(ev) { obj.auto_retrieve(); },
115 window.addEventListener(
117 function(ev) { obj.auto_retrieve(); },
120 /* FIXME -- find events on scrollbar to trigger this */
121 //obj.detect_visible_polling();
123 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(this.node)[1] )[1];
124 var slider = document.getAnonymousNodes( scrollbar )[2];
125 alert('scrollbar = ' + scrollbar.nodeName + ' grippy = ' + slider.nodeName);
126 scrollbar.addEventListener('click',function(){alert('sb click');},false);
127 scrollbar.addEventListener('command',function(){alert('sb command');},false);
128 scrollbar.addEventListener('scroll',function(){alert('sb scroll');},false);
129 slider.addEventListener('click',function(){alert('slider click');},false);
130 slider.addEventListener('command',function(){alert('slider command');},false);
131 slider.addEventListener('scroll',function(){alert('slider scroll');},false);
133 this.node.addEventListener('scroll',function(){ obj.auto_retrieve(); },false);
136 '_init_listbox' : function (params) {
139 var listhead = document.createElement('listhead');
140 this.node.appendChild(listhead);
142 var listcols = document.createElement('listcols');
143 this.node.appendChild(listcols);
145 for (var i = 0; i < this.columns.length; i++) {
146 var listheader = document.createElement('listheader');
147 listhead.appendChild(listheader);
148 var listcol = document.createElement('listcol');
149 listcols.appendChild(listcol);
150 for (var j in this.columns[i]) {
151 listheader.setAttribute(j,this.columns[i][j]);
152 listcol.setAttribute(j,this.columns[i][j]);
158 'clear' : function (params) {
159 switch (this.node.nodeName) {
160 case 'tree' : this._clear_tree(params); break;
161 case 'listbox' : this._clear_listbox(params); break;
162 default: throw('NYI: Need .clear() for ' + this.node.nodeName); break;
164 this.error.sdump('D_LIST','Clearing list ' + this.node.getAttribute('id') + '\n');
165 this.row_count.total = 0;
166 this.row_count.fleshed = 0;
167 this.row_count.all_fleshed = true;
170 '_clear_tree' : function(params) {
172 if (obj.error.sdump_levels.D_LIST_DUMP_ON_CLEAR) {
173 obj.error.sdump('D_LIST_DUMP_ON_CLEAR',obj.dump());
175 if (obj.error.sdump_levels.D_LIST_DUMP_WITH_KEYS_ON_CLEAR) {
176 obj.error.sdump('D_LIST_DUMP_WITH_KEYS_ON_CLEAR',obj.dump_with_keys());
178 while (obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
181 '_clear_listbox' : function(params) {
183 var nl = this.node.getElementsByTagName('listitem');
184 for (var i = 0; i < nl.length; i++) {
187 for (var i = 0; i < items.length; i++) {
188 this.node.removeChild(items[i]);
192 'append' : function (params) {
194 switch (this.node.nodeName) {
195 case 'tree' : rnode = this._append_to_tree(params); break;
196 case 'listbox' : rnode = this._append_to_listbox(params); break;
197 default: throw('NYI: Need .append() for ' + this.node.nodeName); break;
199 if (rnode && params.attributes) {
200 for (var i in params.attributes) {
201 rnode.setAttribute(i,params.attributes[i]);
204 this.row_count.total++;
205 if (this.row_count.fleshed == this.row_count.total) {
206 this.row_count.all_fleshed = true;
208 this.row_count.all_fleshed = false;
213 '_append_to_tree' : function (params) {
217 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
219 var s = ('util.list.append: params = ' + (params) + '\n');
221 var treechildren_node = this.treechildren;
223 if (params.node && params.node.nodeName == 'treeitem') {
224 params.node.setAttribute('container','true'); /* params.node.setAttribute('open','true'); */
225 if (params.node.lastChild.nodeName == 'treechildren') {
226 treechildren_node = params.node.lastChild;
228 treechildren_node = document.createElement('treechildren');
229 params.node.appendChild(treechildren_node);
233 var treeitem = document.createElement('treeitem');
234 treeitem.setAttribute('retrieve_id',params.retrieve_id);
235 treechildren_node.appendChild( treeitem );
236 var treerow = document.createElement('treerow');
237 treeitem.appendChild( treerow );
238 treerow.setAttribute('retrieve_id',params.retrieve_id);
240 s += ('tree = ' + this.node + ' treechildren = ' + treechildren_node + '\n');
241 s += ('treeitem = ' + treeitem + ' treerow = ' + treerow + '\n');
243 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
245 obj.put_retrieving_label(treerow);
246 treerow.addEventListener(
249 //dump('fleshing = ' + params.retrieve_id + '\n');
251 params.row_node = treeitem;
252 params.on_retrieve = function(p) {
255 obj._map_row_to_treecell(p,treerow);
256 treerow.setAttribute('fleshed','true');
257 obj.row_count.fleshed++;
258 if (obj.row_count.fleshed == obj.row_count.total) {
259 obj.row_count.all_fleshed = true;
261 obj.row_count.all_fleshed = false;
264 alert('fixme2: ' + E);
268 if (typeof params.retrieve_row == 'function') {
270 params.retrieve_row( params );
274 if (typeof obj.retrieve_row == 'function') {
276 obj.retrieve_row( params );
281 treerow.setAttribute('retrieved','true');
288 util.widgets.dispatch('flesh',treerow);
293 obj.put_retrieving_label(treerow);
294 treerow.addEventListener(
297 //dump('fleshing anon\n');
298 obj._map_row_to_treecell(params,treerow);
299 treerow.setAttribute('retrieved','true');
300 treerow.setAttribute('fleshed','true');
301 obj.row_count.fleshed++;
302 if (obj.row_count.fleshed == obj.row_count.total) {
303 obj.row_count.all_fleshed = true;
305 obj.row_count.all_fleshed = false;
313 util.widgets.dispatch('flesh',treerow);
318 this.error.sdump('D_LIST',s);
320 setTimeout( function() { obj.auto_retrieve(); }, 0 );
325 'put_retrieving_label' : function(treerow) {
330 dump('put_retrieving_label. columns = ' + js2JSON(obj.columns) + '\n');
331 while( obj.columns[cols_idx] && obj.columns[cols_idx].hidden && obj.columns[cols_idx].hidden == 'true') {
332 dump('\t' + cols_idx);
333 var treecell = document.createElement('treecell');
334 treerow.appendChild(treecell);
338 for (var i = 0; i < obj.columns.length; i++) {
339 var treecell = document.createElement('treecell'); treecell.setAttribute('label','Retrieving...');
340 treerow.appendChild(treecell);
343 dump('\t' + cols_idx + '\n');
350 'detect_visible' : function() {
353 //dump('detect_visible obj.node = ' + obj.node + '\n');
354 /* FIXME - this is a hack.. if the implementation of tree changes, this could break */
355 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(obj.node)[1] )[1];
356 var curpos = scrollbar.getAttribute('curpos');
357 var maxpos = scrollbar.getAttribute('maxpos');
358 //alert('curpos = ' + curpos + ' maxpos = ' + maxpos + ' obj.curpos = ' + obj.curpos + ' obj.maxpos = ' + obj.maxpos + '\n');
359 if ((curpos != obj.curpos) || (maxpos != obj.maxpos)) {
360 if ( obj.auto_retrieve() > 0 ) {
361 obj.curpos = curpos; obj.maxpos = maxpos;
364 } catch(E) { alert(E); }
367 'detect_visible_polling' : function() {
369 //alert('detect_visible_polling');
371 obj.detect_visible();
372 setTimeout(function() { try { obj.detect_visible_polling(); } catch(E) { alert(E); } },2000);
379 'auto_retrieve' : function(params) {
381 switch (this.node.nodeName) {
382 case 'tree' : obj._auto_retrieve_tree(params); break;
383 default: throw('NYI: Need .auto_retrieve() for ' + obj.node.nodeName); break;
387 '_auto_retrieve_tree' : function (params) {
389 if (!obj.auto_retrieve_in_progress) {
390 obj.auto_retrieve_in_progress = true;
394 //alert('auto_retrieve\n');
396 var startpos = obj.node.treeBoxObject.getFirstVisibleRow();
397 var endpos = obj.node.treeBoxObject.getLastVisibleRow();
398 if (startpos > endpos) endpos = obj.node.treeBoxObject.getPageLength();
399 //dump('startpos = ' + startpos + ' endpos = ' + endpos + '\n');
400 for (var i = startpos; i < endpos + 2; i++) {
402 //dump('trying index ' + i + '\n');
403 var item = obj.node.contentView.getItemAtIndex(i).firstChild;
404 if (item && item.getAttribute('retrieved') != 'true' ) {
405 //dump('\tgot an unfleshed item = ' + item + ' = ' + item.nodeName + '\n');
406 util.widgets.dispatch('flesh',item); count++;
409 //dump(i + ' : ' + E + '\n');
412 obj.auto_retrieve_in_progress = false;
414 } catch(E) { alert(E); }
420 'full_retrieve' : function(params) {
422 switch (this.node.nodeName) {
423 case 'tree' : obj._full_retrieve_tree(params); break;
424 default: throw('NYI: Need .full_retrieve() for ' + obj.node.nodeName); break;
428 '_full_retrieve_tree' : function(params) {
430 if (obj.all_fleshed) {
431 obj.all_fleshed = false; obj.all_fleshed = true;
433 var nodes = obj.treechildren.childNodes;
434 for (var i = 0; i < nodes.length; i++) util.widgets.dispatch('flesh',nodes[i]);
438 '_append_to_listbox' : function (params) {
442 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
444 var s = ('util.list.append: params = ' + (params) + '\n');
446 var listitem = document.createElement('listitem');
448 s += ('listbox = ' + this.node + ' listitem = ' + listitem + '\n');
450 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
454 listitem.setAttribute('retrieve_id',params.retrieve_id);
455 //FIXME//Make async and fire when row is visible in list
458 params.row_node = listitem;
459 params.on_retrieve = function(row) {
461 obj._map_row_to_listcell(params,listitem);
462 obj.node.appendChild( listitem );
465 if (typeof params.retrieve_row == 'function') {
467 row = params.retrieve_row( params );
471 if (typeof obj.retrieve_row == 'function') {
473 row = obj.retrieve_row( params );
480 this._map_row_to_listcell(params,listitem);
481 this.node.appendChild( listitem );
484 this.error.sdump('D_LIST',s);
489 '_map_row_to_treecell' : function(params,treerow) {
491 util.widgets.remove_children(treerow);
492 for (var i = 0; i < this.columns.length; i++) {
493 var treecell = document.createElement('treecell');
495 if (params.skip_columns && (params.skip_columns.indexOf(i) != -1)) {
496 treecell.setAttribute('label',label);
497 treerow.appendChild( treecell );
498 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
501 if (params.skip_all_columns_except && (params.skip_all_columns_except.indexOf(i) == -1)) {
502 treecell.setAttribute('label',label);
503 treerow.appendChild( treecell );
504 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
507 if (typeof params.map_row_to_column == 'function') {
509 label = params.map_row_to_column(params.row,this.columns[i]);
513 if (typeof this.map_row_to_column == 'function') {
515 label = this.map_row_to_column(params.row,this.columns[i]);
519 throw('No map_row_to_column function');
523 treecell.setAttribute('label',label);
524 treerow.appendChild( treecell );
525 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
527 this.error.sdump('D_LIST',s);
530 '_map_row_to_listcell' : function(params,listitem) {
532 for (var i = 0; i < this.columns.length; i++) {
534 if (typeof params.map_row_to_column == 'function') {
536 value = params.map_row_to_column(params.row,this.columns[i]);
540 if (typeof this.map_row_to_column == 'function') {
542 value = this.map_row_to_column(params.row,this.columns[i]);
545 if (typeof value == 'string' || typeof value == 'number') {
546 var listcell = document.createElement('listcell');
547 listcell.setAttribute('label',value);
548 listitem.appendChild(listcell);
549 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
551 listitem.appendChild(value);
552 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
555 this.error.sdump('D_LIST',s);
558 'retrieve_selection' : function(params) {
559 switch(this.node.nodeName) {
560 case 'tree' : return this._retrieve_selection_from_tree(params); break;
561 default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
565 '_retrieve_selection_from_tree' : function(params) {
567 var start = new Object();
568 var end = new Object();
569 var numRanges = this.node.view.selection.getRangeCount();
570 for (var t=0; t<numRanges; t++){
571 this.node.view.selection.getRangeAt(t,start,end);
572 for (var v=start.value; v<=end.value; v++){
573 var i = this.node.contentView.getItemAtIndex(v);
580 'dump' : function(params) {
581 switch(this.node.nodeName) {
582 case 'tree' : return this._dump_tree(params); break;
583 default: throw('NYI: Need .dump() for ' + this.node.nodeName); break;
587 '_dump_tree' : function(params) {
589 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
591 var treeitem = this.treechildren.childNodes[i];
592 var treerow = treeitem.firstChild;
593 for (var j = 0; j < treerow.childNodes.length; j++) {
594 row.push( treerow.childNodes[j].getAttribute('label') );
601 'dump_with_keys' : function(params) {
602 switch(this.node.nodeName) {
603 case 'tree' : return this._dump_tree_with_keys(params); break;
604 default: throw('NYI: Need .dump_with_keys() for ' + this.node.nodeName); break;
609 '_dump_tree_with_keys' : function(params) {
612 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
614 var treeitem = this.treechildren.childNodes[i];
615 var treerow = treeitem.firstChild;
616 for (var j = 0; j < treerow.childNodes.length; j++) {
617 row[ obj.columns[j].id ] = treerow.childNodes[j].getAttribute('label');
624 'dump_retrieve_ids' : function(params) {
625 switch(this.node.nodeName) {
626 case 'tree' : return this._dump_retrieve_ids_tree(params); break;
627 default: throw('NYI: Need .dump_retrieve_ids() for ' + this.node.nodeName); break;
631 '_dump_retrieve_ids_tree' : function(params) {
633 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
634 var treeitem = this.treechildren.childNodes[i];
635 dump.push( treeitem.getAttribute('retrieve_id') );
641 dump('exiting util.list.js\n');