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 if (typeof params.map_row_to_column == 'function') this.map_row_to_column = params.map_row_to_column;
27 if (typeof params.retrieve_row == 'function') this.retrieve_row = params.retrieve_row;
29 this.prebuilt = false;
30 if (typeof params.prebuilt != 'undefined') this.prebuilt = params.prebuilt;
32 if (typeof params.columns == 'undefined') throw('util.list.init: No columns');
33 this.columns = params.columns;
35 switch(this.node.nodeName) {
36 case 'tree' : this._init_tree(params); break;
37 case 'listbox' : this._init_listbox(params); break;
38 default: throw('NYI: Need ._init() for ' + this.node.nodeName); break;
42 '_init_tree' : function (params) {
45 this.treechildren = this.node.lastChild;
48 var treecols = document.createElement('treecols');
49 this.node.appendChild(treecols);
51 for (var i = 0; i < this.columns.length; i++) {
52 var treecol = document.createElement('treecol');
53 for (var j in this.columns[i]) {
54 treecol.setAttribute(j,this.columns[i][j]);
56 treecols.appendChild(treecol);
57 var splitter = document.createElement('splitter');
58 splitter.setAttribute('class','tree-splitter');
59 treecols.appendChild(splitter);
62 var treechildren = document.createElement('treechildren');
63 this.node.appendChild(treechildren);
64 this.treechildren = treechildren;
66 if (typeof params.on_select == 'function') {
67 this.node.addEventListener(
75 '_init_listbox' : function (params) {
78 var listhead = document.createElement('listhead');
79 this.node.appendChild(listhead);
81 var listcols = document.createElement('listcols');
82 this.node.appendChild(listcols);
84 for (var i = 0; i < this.columns.length; i++) {
85 var listheader = document.createElement('listheader');
86 listhead.appendChild(listheader);
87 var listcol = document.createElement('listcol');
88 listcols.appendChild(listcol);
89 for (var j in this.columns[i]) {
90 listheader.setAttribute(j,this.columns[i][j]);
91 listcol.setAttribute(j,this.columns[i][j]);
97 'append' : function (params) {
99 switch (this.node.nodeName) {
100 case 'tree' : rnode = this._append_to_tree(params); break;
101 case 'listbox' : rnode = this._append_to_listbox(params); break;
102 default: throw('NYI: Need .append() for ' + this.node.nodeName); break;
104 if (rnode && params.attributes) {
105 for (var i in params.attributes) {
106 rnode.setAttribute(i,params.attributes[i]);
112 '_append_to_tree' : function (params) {
116 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
118 var s = ('util.list.append: params = ' + js2JSON(params) + '\n');
120 var treeitem = document.createElement('treeitem');
121 treeitem.setAttribute('retrieve_id',params.retrieve_id);
122 this.treechildren.appendChild( treeitem );
123 var treerow = document.createElement('treerow');
124 treeitem.appendChild( treerow );
126 s += ('tree = ' + this.node + ' treechildren = ' + this.treechildren + '\n');
127 s += ('treeitem = ' + treeitem + ' treerow = ' + treerow + '\n');
129 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
133 treerow.setAttribute('retrieve_id',params.retrieve_id);
134 //FIXME//Make async and fire when row is visible in list
137 params.row_node = treeitem;
138 params.on_retrieve = function(row) {
140 obj._map_row_to_treecell(params,treerow);
143 if (typeof params.retrieve_row == 'function') {
145 row = params.retrieve_row( params );
149 if (typeof obj.retrieve_row == 'function') {
151 row = obj.retrieve_row( params );
158 this._map_row_to_treecell(params,treerow);
160 this.error.sdump('D_LIST',s);
165 '_append_to_listbox' : function (params) {
169 if (typeof params.row == 'undefined') throw('util.list.append: Object must contain a row');
171 var s = ('util.list.append: params = ' + js2JSON(params) + '\n');
173 var listitem = document.createElement('listitem');
175 s += ('listbox = ' + this.node + ' listitem = ' + listitem + '\n');
177 if (typeof params.retrieve_row == 'function' || typeof this.retrieve_row == 'function') {
181 listitem.setAttribute('retrieve_id',params.retrieve_id);
182 //FIXME//Make async and fire when row is visible in list
185 params.row_node = listitem;
186 params.on_retrieve = function(row) {
188 obj._map_row_to_treecell(params,treerow);
189 obj.node.appendChild( listitem );
192 if (typeof params.retrieve_row == 'function') {
194 row = params.retrieve_row( params );
198 if (typeof obj.retrieve_row == 'function') {
200 row = obj.retrieve_row( params );
207 this._map_row_to_listcell(params,listitem);
208 this.node.appendChild( listitem );
211 this.error.sdump('D_LIST',s);
216 '_map_row_to_treecell' : function(params,treerow) {
218 for (var i = 0; i < this.columns.length; i++) {
219 var treecell = document.createElement('treecell');
221 if (typeof params.map_row_to_column == 'function') {
223 label = params.map_row_to_column(params.row,this.columns[i]);
227 if (typeof this.map_row_to_column == 'function') {
229 label = this.map_row_to_column(params.row,this.columns[i]);
232 treecell.setAttribute('label',label);
233 treerow.appendChild( treecell );
234 s += ('treecell = ' + treecell + ' with label = ' + label + '\n');
236 this.error.sdump('D_LIST',s);
239 '_map_row_to_listcell' : function(params,listitem) {
241 for (var i = 0; i < this.columns.length; i++) {
243 if (typeof params.map_row_to_column == 'function') {
245 value = params.map_row_to_column(params.row,this.columns[i]);
249 if (typeof this.map_row_to_column == 'function') {
251 value = this.map_row_to_column(params.row,this.columns[i]);
254 if (typeof value == 'string') {
255 var listcell = document.createElement('listcell');
256 listcell.setAttribute('label',value);
257 listitem.appendChild(listcell);
258 s += ('listcell = ' + listcell + ' with label = ' + value + '\n');
260 listitem.appendChild(value);
261 s += ('listcell = ' + value + ' is really a ' + value.nodeName + '\n');
264 this.error.sdump('D_LIST',s);
267 'retrieve_selection' : function(params) {
268 switch(this.node.nodeName) {
269 case 'tree' : return this._retrieve_selection_from_tree(params); break;
270 default: throw('NYI: Need ._retrieve_selection_from_() for ' + this.node.nodeName); break;
274 '_retrieve_selection_from_tree' : function(params) {
276 var start = new Object();
277 var end = new Object();
278 var numRanges = this.node.view.selection.getRangeCount();
279 for (var t=0; t<numRanges; t++){
280 this.node.view.selection.getRangeAt(t,start,end);
281 for (var v=start.value; v<=end.value; v++){
282 var i = this.node.contentView.getItemAtIndex(v);
289 dump('exiting util.list.js\n');