column sorting... some kinks with on_all_fleshed retrieve, need sort hints (and maybe...

git-svn-id: svn://svn.open-ils.org/ILS/trunk@5480 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/xul/staff_client/chrome/content/util/list.js b/Open-ILS/xul/staff_client/chrome/content/util/list.js
index 20820af..5aeab1b 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/util/list.js
+++ b/Open-ILS/xul/staff_client/chrome/content/util/list.js
@@ -65,6 +65,17 @@ util.list.prototype = {
                                        treecol.setAttribute(j,this.columns[i][j]);
                                }
                                treecols.appendChild(treecol);
+                               treecol.addEventListener(
+                                       'click', 
+                                       function(ev) {
+                                               var sortDir = ev.target.getAttribute('sortDir') || 'desc';
+                                               if (sortDir == 'desc') sortDir = 'asc'; else sortDir = 'desc';
+                                               //alert('sort ' + ev.target.id + ' ' + sortDir);
+                                               ev.target.setAttribute('sortDir',sortDir);
+                                               obj._sort_tree(ev.target,sortDir);
+                                       },
+                                       false
+                               );
                                var splitter = document.createElement('splitter');
                                splitter.setAttribute('class','tree-splitter');
                                treecols.appendChild(splitter);
@@ -804,5 +815,50 @@ util.list.prototype = {
                return dump;
        },
 
+       '_sort_tree' : function(col,sortDir) {
+               var obj = this;
+               try {
+                       if (obj.node.getAttribute('no_sort')) {
+                               return;
+                       }
+                       if (obj.on_all_fleshed) {
+                               alert('This list is busy rendering/retrieving data.');
+                               return;
+                       }
+                       var col_pos;
+                       for (var i = 0; i < obj.columns.length; i++) { 
+                               if (obj.columns[i].id == col.id) col_pos = function(a){return a;}(i); 
+                       }
+                       obj.on_all_fleshed =
+                               function() {
+                                       try {
+                                               var rows = [];
+                                               var treeitems = obj.treechildren.childNodes;
+                                               for (var i = 0; i < treeitems.length; i++) {
+                                                       var treeitem = treeitems[i];
+                                                       var treerow = treeitem.firstChild;
+                                                       var treecell = treerow.childNodes[ col_pos ];
+                                                       //alert('treeitem = ' + treeitem.nodeName + ' treeitem.childNodes.length = ' + treeitem.childNodes.length + ' treerow = ' + treerow.nodeName + ' treerow.childNodes.length = ' + treerow.childNodes.length + ' col_pos = ' + col_pos + ' treecell = ' + treecell);
+                                                       value = ( { 'value' : treecell ? treecell.getAttribute('label') : '', 'node' : treeitem } );
+                                                       //alert('value = ' + value.value + ' node = ' + value.node);
+                                                       rows.push( value );
+                                               }
+                                               rows = rows.sort( function(a,b) { a = a.value; b = b.value; if (a < b) return -1; if (a > b) return 1; return 0; } );
+                                               if (sortDir == 'asc') rows = rows.reverse();
+                                               while(obj.treechildren.lastChild) obj.treechildren.removeChild( obj.treechildren.lastChild );
+                                               for (var i = 0; i < rows.length; i++) {
+                                                       obj.treechildren.appendChild( rows[i].node );
+                                               }
+                                       } catch(E) {
+                                               obj.error.standard_unexpected_error_alert('sorting',E); 
+                                       }
+                                       setTimeout(function(){ obj.on_all_fleshed = null; },0);
+                               }
+                       obj.full_retrieve();
+               } catch(E) {
+                       obj.error.standard_unexpected_error_alert('pre sorting', E);
+               }
+       },
+
 }
 dump('exiting util.list.js\n');