[gen] Calendar field: added the notion of layer.

gen/mixins/__init__.py

@@ -39,7 +39,8 @@ class BaseMixin:
            * initiator is the initiator (Zope or Appy) object;
            * field is the Ref instance.
         '''
-        rq = self.REQUEST
+        rq = getattr(self, 'REQUEST', None)
+        if not rq: return None, None
         if not rq.get('nav', '').startswith('ref.'): return None, None
         splitted = rq['nav'].split('.')
         initiator = self.getTool().getObject(splitted[1])

gen/ui/appy.css

@@ -200,4 +200,4 @@ td.search { padding-top: 8px }
 .highlight { background-color: yellow }
 .globalActions { margin-bottom: 4px }
 .objectActions { margin: 2px 0 }
-.smallbox { margin: 0; vertical-align: middle }
+.smallbox { margin: 0 0 0 3px; vertical-align: middle }

gen/ui/appy.js

@@ -950,8 +950,8 @@ function closePopup(popupId, clean) {
   popup.style.width = null;
   // Clean field "clean" if specified
   if (clean) {
-    var f = popup.getElementsByTagName('form')[0];
-    f.elements[clean].value = '';
+    var elem = popup.getElementsByTagName('form')[0].elements[clean];
+    if (elem) elem.value = '';
   }
   if (popupId == 'iframePopup') {
     // Reinitialise the enclosing iframe

gen/ui/calendar.js

@@ -182,3 +182,25 @@ function onCheckCbCell(cb, hook, totalRows, totalCols) {
     }
   }
 }
+ // Switches a layer on/off within a calendar
+function switchCalendarLayer(hookId, checkbox) {
+  /* Update the ajax data about active layers from p_checkbox, that represents
+     the status of some layer */
+  var layer = checkbox.id.split('_').pop();
+  var d = getAjaxHook(hookId)['ajax'];
+  var activeLayers = d.params['activeLayers'];
+  if (checkbox.checked) {
+    // Add the layer to active layers
+    activeLayers = (!activeLayers)? layer: activeLayers + ',' + layer;
+  }
+  else {
+    // Remove the layer from active layers
+    var res = [];
+    var splitted = activeLayers.split(',');
+    for (var i=0; i<splitted.length; i++) {
+      if (splitted[i] != layer) res.push(splitted[i]);
+    }
+    activeLayers = res.join();
+  }
+  askAjax(hookId, null, {'activeLayers': activeLayers});
+}