JSAN functional libraries give me trouble.. why can't I use JSAN inside JSAN here?

git-svn-id: svn://svn.open-ils.org/ILS/trunk@6250 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/xul/staff_client/chrome/content/util/widgets.js b/Open-ILS/xul/staff_client/chrome/content/util/widgets.js
index 6bc6da9..97ba5b6 100644 (file)
--- a/Open-ILS/xul/staff_client/chrome/content/util/widgets.js
+++ b/Open-ILS/xul/staff_client/chrome/content/util/widgets.js
@@ -25,6 +25,8 @@ util.widgets.EXPORT_OK        = [
        'dispatch',
        'stop_event',
        'set_text',
+       'save_attributes',
+       'load_attributes',
 ];
 util.widgets.EXPORT_TAGS       = { ':all' : util.widgets.EXPORT_OK };
 
@@ -45,15 +47,19 @@ util.widgets.apply = function(e,attr,attr_value,f) {
 }
 
 util.widgets.save_xml = function (filename,node) {
-       netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+       try { 
+               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
 
-       JSAN.use('util.file'); var file = new util.file(filename);
+               JSAN.use('util.file'); var file = new util.file(filename);
 
-       node = util.widgets.get(node);
-       var xml = util.widgets.serialize_node(node);
+               node = util.widgets.get(node);
+               var xml = util.widgets.serialize_node(node);
 
-       file.write_content('truncate',xml);
-       file.close();
+               file.write_content('truncate',xml);
+               file.close();
+       } catch(E) {
+               alert('Error in util.widgets.save_xml: ' + E);
+       }
 }
 
 util.widgets.serialize_node = function(node) {
@@ -311,4 +317,39 @@ util.widgets.set_text = function(n,t) {
        }
 }
 
+util.widgets.save_attributes = function (file,ids_attrs) {
+       try {
+               var blob = {};
+               for (var element_id in ids_attrs) {
+                       var attribute_list = ids_attrs[ element_id ];
+                       if (! blob[ element_id ] ) blob[ element_id ] =  {};
+                       for (var j = 0; j < attribute_list.length; j++) {
+                               blob[ element_id ][ attribute_list[j] ] = document.getElementById( element_id ).getAttribute( attribute_list[j] );
+                       }
+               }
+               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+               //FIXME - WHY DOES THIS NOT WORK?// JSAN.use('util.file'); var file = new util.file(filename);
+               file.set_object(blob); file.close();
+       } catch(E) {
+               alert('Error saving preferences: ' + E);
+       }
+}
+
+util.widgets.load_attributes = function (file) {               
+       try {
+               netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
+               //FIXME - WHY DOES THIS NOT WORK?// JSAN.use('util.file'); var file = new util.file(filename);
+               if (file._file.exists()) {
+                       var blob = file.get_object(); file.close();
+                       for (var element_id in blob) {
+                               for (var attribute in blob[ element_id ]) {
+                                       document.getElementById( element_id ).setAttribute(attribute, blob[ element_id ][ attribute ]);
+                               }
+                       }
+               }
+       } catch(E) {
+               alert('Error loading preferences: ' + E);
+       }
+}
+
 dump('exiting util/widgets.js\n');