column persistence

git-svn-id: svn://svn.open-ils.org/ILS/trunk@5473 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 fbe7536..20820af 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/util/list.js
+++ b/Open-ILS/xul/staff_client/chrome/content/util/list.js
@@ -124,6 +124,8 @@ util.list.prototype = {
                slider.addEventListener('scroll',function(){alert('slider scroll');},false);
                */
                this.node.addEventListener('scroll',function(){ obj.auto_retrieve(); },false);
+
+               this.restores_columns(params);
        },
 
        '_init_listbox' : function (params) {
@@ -148,6 +150,87 @@ util.list.prototype = {
                }
        },
 
+       'save_columns' : function (params) {
+               var obj = this;
+               switch (this.node.nodeName) {
+                       case 'tree' : this._save_columns_tree(params); break;
+                       default: throw('NYI: Need .save_columns() for ' + this.node.nodeName); break;
+               }
+       },
+
+       '_save_columns_tree' : function (params) {
+               var obj = this;
+               try {
+                       var id = obj.node.getAttribute('id'); if (!id) {
+                               alert("FIXME: The columns for this list cannot be saved because the list has no id.");
+                               return;
+                       }
+                       var my_cols = {};
+                       var nl = obj.node.getElementsByTagName('treecol');
+                       for (var i = 0; i < nl.length; i++) {
+                               var col = nl[i];
+                               var col_id = col.getAttribute('id');
+                               if (!col_id) {
+                                       alert('FIXME: A column in this list does not have an id and cannot be saved');
+                                       continue;
+                               }
+                               var col_hidden = col.getAttribute('hidden'); 
+                               var col_width = col.getAttribute('width'); 
+                               var col_ordinal = col.getAttribute('ordinal'); 
+                               my_cols[ col_id ] = { 'hidden' : col_hidden, 'width' : col_width, 'ordinal' : col_ordinal };
+                       }
+                       netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
+                       JSAN.use('util.file'); var file = new util.file('tree_columns_for_'+window.escape(id));
+                       file.set_object(my_cols);
+                       file.close();
+                       alert('Columns saved.');
+               } catch(E) {
+                       obj.error.standard_unexpected_error_alert('_save_columns_tree',E);
+               }
+       },
+
+       'restores_columns' : function (params) {
+               var obj = this;
+               switch (this.node.nodeName) {
+                       case 'tree' : this._restores_columns_tree(params); break;
+                       default: throw('NYI: Need .restores_columns() for ' + this.node.nodeName); break;
+               }
+       },
+
+       '_restores_columns_tree' : function (params) {
+               var obj = this;
+               try {
+                       var id = obj.node.getAttribute('id'); if (!id) {
+                               alert("FIXME: The columns for this list cannot be restored because the list has no id.");
+                               return;
+                       }
+
+                       netscape.security.PrivilegeManager.enablePrivilege('UniversalXPConnect');
+                       JSAN.use('util.file'); var file = new util.file('tree_columns_for_'+window.escape(id));
+                       if (file._file.exists()) {
+                               var my_cols = file.get_object(); file.close();
+                               var nl = obj.node.getElementsByTagName('treecol');
+                               for (var i = 0; i < nl.length; i++) {
+                                       var col = nl[i];
+                                       var col_id = col.getAttribute('id');
+                                       if (!col_id) {
+                                               alert('FIXME: A column in this list does not have an id and cannot be saved');
+                                               continue;
+                                       }
+                                       if (typeof my_cols[col_id] != 'undefined') {
+                                               col.setAttribute('hidden',my_cols[col_id].hidden); 
+                                               col.setAttribute('width',my_cols[col_id].width); 
+                                               col.setAttribute('ordinal',my_cols[col_id].ordinal); 
+                                       } else {
+                                               alert('FIXME: Column ' + col_id + ' did not have a saved state.');
+                                       }
+                               }
+                       }
+               } catch(E) {
+                       obj.error.standard_unexpected_error_alert('_restore_columns_tree',E);
+               }
+       },
+
        'clear' : function (params) {
                var obj = this;
                switch (this.node.nodeName) {