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 },
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;
48 'register_all_fleshed_callback' : function(f) {
49 this.on_all_fleshed = f;
52 '_init_tree' : function (params) {
56 this.treechildren = this.node.lastChild;
59 var treecols = document.createElement('treecols');
60 this.node.appendChild(treecols);
62 for (var i = 0; i < this.columns.length; i++) {
63 var treecol = document.createElement('treecol');
64 for (var j in this.columns[i]) {
65 treecol.setAttribute(j,this.columns[i][j]);
67 treecols.appendChild(treecol);
68 var splitter = document.createElement('splitter');
69 splitter.setAttribute('class','tree-splitter');
70 treecols.appendChild(splitter);
73 var treechildren = document.createElement('treechildren');
74 this.node.appendChild(treechildren);
75 this.treechildren = treechildren;
77 if (typeof params.on_select == 'function') {
78 this.node.addEventListener(
84 if (typeof params.on_click == 'function') {
85 this.node.addEventListener(
92 this.node.addEventListener(
94 function(ev) { obj.detect_visible(); },
98 this.node.addEventListener(
100 function(ev) { obj.auto_retrieve(); },
103 this.node.addEventListener(
105 function(ev) { obj.auto_retrieve(); },
108 window.addEventListener(
110 function(ev) { obj.auto_retrieve(); },
113 /* FIXME -- find events on scrollbar to trigger this */
114 //obj.detect_visible_polling();
116 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(this.node)[1] )[1];
117 var slider = document.getAnonymousNodes( scrollbar )[2];
118 alert('scrollbar = ' + scrollbar.nodeName + ' grippy = ' + slider.nodeName);
119 scrollbar.addEventListener('click',function(){alert('sb click');},false);
120 scrollbar.addEventListener('command',function(){alert('sb command');},false);
121 scrollbar.addEventListener('scroll',function(){alert('sb scroll');},false);
122 slider.addEventListener('click',function(){alert('slider click');},false);
123 slider.addEventListener('command',function(){alert('slider command');},false);
124 slider.addEventListener('scroll',function(){alert('slider scroll');},false);
126 this.node.addEventListener('scroll',function(){ obj.auto_retrieve(); },false);
129 '_init_listbox' : function (params) {
132 var listhead = document.createElement('listhead');
133 this.node.appendChild(listhead);
135 var listcols = document.createElement('listcols');
136 this.node.appendChild(listcols);
138 for (var i = 0; i < this.columns.length; i++) {
139 var listheader = document.createElement('listheader');
140 listhead.appendChild(listheader);
141 var listcol = document.createElement('listcol');
142 listcols.appendChild(listcol);
143 for (var j in this.columns[i]) {
144 listheader.setAttribute(j,this.columns[i][j]);
145 listcol.setAttribute(j,this.columns[i][j]);
151 'clear' : function (params) {
152 switch (this.node.nodeName) {
153 case 'tree' : this._clear_tree(params); break;
154 case 'listbox' : this._clear_listbox(params); break;
155 default: throw('NYI: Need .clear() for ' + this.node.nodeName); break;
157 this.error.sdump('D_LIST','Clearing list ' + this.node.getAttribute('id') + '\n');
158 this.row_count.total = 0;
159 this.row_count.fleshed = 0;
160 if (typeof obj.on_all_fleshed == 'function') {
161 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
165 '_clear_tree' : function(params) {
167 if (obj.error.sdump_levels.D_LIST_DUMP_ON_CLEAR) {
168 obj.error.sdump('D_LIST_DUMP_ON_CLEAR',obj.dump());
170 if (obj.error.sdump_levels.D_LIST_DUMP_WITH_KEYS_ON_CLEAR) {
171 obj.error.sdump('D_LIST_DUMP_WITH_KEYS_ON_CLEAR',obj.dump_with_keys());
173 while (obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
176 '_clear_listbox' : function(params) {
178 var nl = this.node.getElementsByTagName('listitem');
179 for (var i = 0; i < nl.length; i++) {
182 for (var i = 0; i < items.length; i++) {
183 this.node.removeChild(items[i]);
187 'append' : function (params) {
190 switch (this.node.nodeName) {
191 case 'tree' : rnode = this._append_to_tree(params); break;
192 case 'listbox' : rnode = this._append_to_listbox(params); break;
193 default: throw('NYI: Need .append() for ' + this.node.nodeName); break;
195 if (rnode && params.attributes) {
196 for (var i in params.attributes) {
197 rnode.setAttribute(i,params.attributes[i]);
200 this.row_count.total++;
201 if (this.row_count.fleshed == this.row_count.total) {
202 if (typeof this.on_all_fleshed == 'function') {
203 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
209 '_append_to_tree' : function (params) {
213 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
215 var s = ('util.list.append: params = ' + (params) + '\n');
217 var treechildren_node = this.treechildren;
219 if (params.node && params.node.nodeName == 'treeitem') {
220 params.node.setAttribute('container','true'); /* params.node.setAttribute('open','true'); */
221 if (params.node.lastChild.nodeName == 'treechildren') {
222 treechildren_node = params.node.lastChild;
224 treechildren_node = document.createElement('treechildren');
225 params.node.appendChild(treechildren_node);
229 var treeitem = document.createElement('treeitem');
230 treeitem.setAttribute('retrieve_id',params.retrieve_id);
231 treechildren_node.appendChild( treeitem );
232 var treerow = document.createElement('treerow');
233 treeitem.appendChild( treerow );
234 treerow.setAttribute('retrieve_id',params.retrieve_id);
236 s += ('tree = ' + this.node + ' treechildren = ' + treechildren_node + '\n');
237 s += ('treeitem = ' + treeitem + ' treerow = ' + treerow + '\n');
239 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
241 obj.put_retrieving_label(treerow);
242 treerow.addEventListener(
246 if (treerow.getAttribute('retrieved') == 'true') return; /* already running */
248 treerow.setAttribute('retrieved','true');
250 //dump('fleshing = ' + params.retrieve_id + '\n');
252 function inc_fleshed() {
253 if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
254 treerow.setAttribute('fleshed','true');
255 obj.row_count.fleshed++;
256 if (obj.row_count.fleshed == obj.row_count.total) {
257 if (typeof obj.on_all_fleshed == 'function') {
258 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
263 params.row_node = treeitem;
264 params.on_retrieve = function(p) {
267 obj._map_row_to_treecell(p,treerow);
270 alert('fixme2: ' + E);
274 if (typeof params.retrieve_row == 'function') {
276 params.retrieve_row( params );
278 } else if (typeof obj.retrieve_row == 'function') {
280 obj.retrieve_row( params );
292 util.widgets.dispatch('flesh',treerow);
297 obj.put_retrieving_label(treerow);
298 treerow.addEventListener(
301 //dump('fleshing anon\n');
302 if (treerow.getAttribute('fleshed') == 'true') return; /* already fleshed */
303 obj._map_row_to_treecell(params,treerow);
304 treerow.setAttribute('retrieved','true');
305 treerow.setAttribute('fleshed','true');
306 obj.row_count.fleshed++;
307 if (obj.row_count.fleshed == obj.row_count.total) {
308 if (typeof obj.on_all_fleshed == 'function') {
309 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
318 util.widgets.dispatch('flesh',treerow);
323 this.error.sdump('D_LIST',s);
325 setTimeout( function() { obj.auto_retrieve(); }, 0 );
330 'put_retrieving_label' : function(treerow) {
335 dump('put_retrieving_label. columns = ' + js2JSON(obj.columns) + '\n');
336 while( obj.columns[cols_idx] && obj.columns[cols_idx].hidden && obj.columns[cols_idx].hidden == 'true') {
337 dump('\t' + cols_idx);
338 var treecell = document.createElement('treecell');
339 treerow.appendChild(treecell);
343 for (var i = 0; i < obj.columns.length; i++) {
344 var treecell = document.createElement('treecell'); treecell.setAttribute('label','Retrieving...');
345 treerow.appendChild(treecell);
348 dump('\t' + cols_idx + '\n');
355 'detect_visible' : function() {
358 //dump('detect_visible obj.node = ' + obj.node + '\n');
359 /* FIXME - this is a hack.. if the implementation of tree changes, this could break */
360 var scrollbar = document.getAnonymousNodes( document.getAnonymousNodes(obj.node)[1] )[1];
361 var curpos = scrollbar.getAttribute('curpos');
362 var maxpos = scrollbar.getAttribute('maxpos');
363 //alert('curpos = ' + curpos + ' maxpos = ' + maxpos + ' obj.curpos = ' + obj.curpos + ' obj.maxpos = ' + obj.maxpos + '\n');
364 if ((curpos != obj.curpos) || (maxpos != obj.maxpos)) {
365 if ( obj.auto_retrieve() > 0 ) {
366 obj.curpos = curpos; obj.maxpos = maxpos;
369 } catch(E) { alert(E); }
372 'detect_visible_polling' : function() {
374 //alert('detect_visible_polling');
376 obj.detect_visible();
377 setTimeout(function() { try { obj.detect_visible_polling(); } catch(E) { alert(E); } },2000);
384 'auto_retrieve' : function(params) {
386 switch (this.node.nodeName) {
387 case 'tree' : obj._auto_retrieve_tree(params); break;
388 default: throw('NYI: Need .auto_retrieve() for ' + obj.node.nodeName); break;
392 '_auto_retrieve_tree' : function (params) {
394 if (!obj.auto_retrieve_in_progress) {
395 obj.auto_retrieve_in_progress = true;
399 //alert('auto_retrieve\n');
401 var startpos = obj.node.treeBoxObject.getFirstVisibleRow();
402 var endpos = obj.node.treeBoxObject.getLastVisibleRow();
403 if (startpos > endpos) endpos = obj.node.treeBoxObject.getPageLength();
404 //dump('startpos = ' + startpos + ' endpos = ' + endpos + '\n');
405 for (var i = startpos; i < endpos + 2; i++) {
407 //dump('trying index ' + i + '\n');
408 var item = obj.node.contentView.getItemAtIndex(i).firstChild;
409 if (item && item.getAttribute('retrieved') != 'true' ) {
410 //dump('\tgot an unfleshed item = ' + item + ' = ' + item.nodeName + '\n');
411 util.widgets.dispatch('flesh',item); count++;
414 //dump(i + ' : ' + E + '\n');
417 obj.auto_retrieve_in_progress = false;
419 } catch(E) { alert(E); }
425 'full_retrieve' : function(params) {
427 switch (this.node.nodeName) {
428 case 'tree' : obj._full_retrieve_tree(params); break;
429 default: throw('NYI: Need .full_retrieve() for ' + obj.node.nodeName); break;
433 '_full_retrieve_tree' : function(params) {
436 if (obj.row_count.total == obj.row_count.fleshed) {
437 //alert('Full retrieve... tree seems to be in sync\n' + js2JSON(obj.row_count));
438 if (typeof obj.on_all_fleshed == 'function') {
439 setTimeout( function() { obj.on_all_fleshed(); }, 0 );
441 alert('.full_retrieve called with no callback?');
444 //alert('Full retrieve... syncing tree' + js2JSON(obj.row_count));
445 JSAN.use('util.widgets');
446 var nodes = obj.treechildren.childNodes;
447 for (var i = 0; i < nodes.length; i++) {
448 util.widgets.dispatch('flesh',nodes[i].firstChild);
452 obj.error.standard_unexpected_error_alert('_full_retrieve_tree',E);
456 '_append_to_listbox' : function (params) {
460 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
462 var s = ('util.list.append: params = ' + (params) + '\n');
464 var listitem = document.createElement('listitem');
466 s += ('listbox = ' + this.node + ' listitem = ' + listitem + '\n');
468 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
472 listitem.setAttribute('retrieve_id',params.retrieve_id);
473 //FIXME//Make async and fire when row is visible in list
476 params.row_node = listitem;
477 params.on_retrieve = function(row) {
479 obj._map_row_to_listcell(params,listitem);
480 obj.node.appendChild( listitem );
483 if (typeof params.retrieve_row == 'function') {
485 row = params.retrieve_row( params );
489 if (typeof obj.retrieve_row == 'function') {
491 row = obj.retrieve_row( params );
498 this._map_row_to_listcell(params,listitem);
499 this.node.appendChild( listitem );
502 this.error.sdump('D_LIST',s);
507 '_map_row_to_treecell' : function(params,treerow) {
509 util.widgets.remove_children(treerow);
510 for (var i = 0; i < this.columns.length; i++) {
511 var treecell = document.createElement('treecell');
513 if (params.skip_columns && (params.skip_columns.indexOf(i) != -1)) {
514 treecell.setAttribute('label',label);
515 treerow.appendChild( treecell );
516 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
519 if (params.skip_all_columns_except && (params.skip_all_columns_except.indexOf(i) == -1)) {
520 treecell.setAttribute('label',label);
521 treerow.appendChild( treecell );
522 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
525 if (typeof params.map_row_to_column == 'function') {
527 label = params.map_row_to_column(params.row,this.columns[i]);
531 if (typeof this.map_row_to_column == 'function') {
533 label = this.map_row_to_column(params.row,this.columns[i]);
537 throw('No map_row_to_column function');
541 treecell.setAttribute('label',label);
542 treerow.appendChild( treecell );
543 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
545 this.error.sdump('D_LIST',s);
548 '_map_row_to_listcell' : function(params,listitem) {
550 for (var i = 0; i < this.columns.length; i++) {
552 if (typeof params.map_row_to_column == 'function') {
554 value = params.map_row_to_column(params.row,this.columns[i]);
558 if (typeof this.map_row_to_column == 'function') {
560 value = this.map_row_to_column(params.row,this.columns[i]);
563 if (typeof value == 'string' || typeof value == 'number') {
564 var listcell = document.createElement('listcell');
565 listcell.setAttribute('label',value);
566 listitem.appendChild(listcell);
567 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
569 listitem.appendChild(value);
570 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
573 this.error.sdump('D_LIST',s);
576 'retrieve_selection' : function(params) {
577 switch(this.node.nodeName) {
578 case 'tree' : return this._retrieve_selection_from_tree(params); break;
579 default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
583 '_retrieve_selection_from_tree' : function(params) {
585 var start = new Object();
586 var end = new Object();
587 var numRanges = this.node.view.selection.getRangeCount();
588 for (var t=0; t<numRanges; t++){
589 this.node.view.selection.getRangeAt(t,start,end);
590 for (var v=start.value; v<=end.value; v++){
591 var i = this.node.contentView.getItemAtIndex(v);
598 'dump' : function(params) {
599 switch(this.node.nodeName) {
600 case 'tree' : return this._dump_tree(params); break;
601 default: throw('NYI: Need .dump() for ' + this.node.nodeName); break;
605 '_dump_tree' : function(params) {
607 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
609 var treeitem = this.treechildren.childNodes[i];
610 var treerow = treeitem.firstChild;
611 for (var j = 0; j < treerow.childNodes.length; j++) {
612 row.push( treerow.childNodes[j].getAttribute('label') );
619 'dump_with_keys' : function(params) {
620 switch(this.node.nodeName) {
621 case 'tree' : return this._dump_tree_with_keys(params); break;
622 default: throw('NYI: Need .dump_with_keys() for ' + this.node.nodeName); break;
627 '_dump_tree_with_keys' : function(params) {
630 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
632 var treeitem = this.treechildren.childNodes[i];
633 var treerow = treeitem.firstChild;
634 for (var j = 0; j < treerow.childNodes.length; j++) {
635 row[ obj.columns[j].id ] = treerow.childNodes[j].getAttribute('label');
642 'dump_retrieve_ids' : function(params) {
643 switch(this.node.nodeName) {
644 case 'tree' : return this._dump_retrieve_ids_tree(params); break;
645 default: throw('NYI: Need .dump_retrieve_ids() for ' + this.node.nodeName); break;
649 '_dump_retrieve_ids_tree' : function(params) {
651 for (var i = 0; i < this.treechildren.childNodes.length; i++) {
652 var treeitem = this.treechildren.childNodes[i];
653 dump.push( treeitem.getAttribute('retrieve_id') );
659 dump('exiting util.list.js\n');