provide embedding of JavaScript, esp. Dojo

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3023 fd906abe-77d9-0310-91a1-e0d9ade77398

ajax/dojo/configure.zcml

@@ -1,24 +1,42 @@
 <!-- $Id$ -->
 
 <configure
-    xmlns="http://namespaces.zope.org/browser"
-    xmlns:zope="http://namespaces.zope.org/zope"
-    i18n_domain="zope">
+    xmlns:browser="http://namespaces.zope.org/browser"
+    xmlns:zope="http://namespaces.zope.org/zope">
 
-  <resourceDirectory name="ajax.dojo" directory="dojo" />
+  <!-- resources -->
 
-  <page
+  <browser:resourceDirectory name="ajax.dojo" directory="dojo" />
+
+  <!-- layouts -->
+
+  <zope:utility
+        component="cybertools.ajax.dojo.layout.dojo"
+        provides="cybertools.composer.layout.interfaces.ILayout"
+        name="js.dojo" />
+
+  <zope:utility
+        component="cybertools.ajax.dojo.layout.dojoRequire"
+        provides="cybertools.composer.layout.interfaces.ILayout"
+        name="js.dojo.require" />
+
+  <zope:adapter
+        for="*"
+        name="dojo"
+        factory="cybertools.ajax.dojo.layout.DojoLayoutInstance" />
+
+  <!-- views -->
+
+  <browser:page
       for="*"
       name="ajax.dojo"
       template="macros.pt"
-      permission="zope.Public"
-      />
+      permission="zope.Public" />
 
-  <page
+  <browser:page
       for="*"
       name="ajax.inner.html"
       template="../innerHtml.pt"
-      permission="zope.ManageContent"
-      />
+      permission="zope.ManageContent" />
 
 </configure>

ajax/dojo/layout.py

@@ -0,0 +1,53 @@
+#
+#  Copyright (c) 2008 Helmut Merz - helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+"""
+Embed Dojo using the cybertools.composer.layout procedure.
+
+$Id$
+"""
+
+from cStringIO import StringIO
+from zope.app.pagetemplate import ViewPageTemplateFile
+from zope.cachedescriptors.property import Lazy
+
+from cybertools.browser.renderer import RendererFactory
+from cybertools.composer.layout.base import Layout, LayoutInstance
+
+dojoRenderers = RendererFactory(ViewPageTemplateFile('macros.pt'))
+
+
+dojo = Layout('js.dojo', 'page.js', renderer=dojoRenderers.dojo,
+                instanceName='dojo', order=0)
+
+dojoRequire = Layout('js.dojo.require', 'page.js',
+                renderer=dojoRenderers.dojo_require,
+                instanceName='dojo', order=50)
+
+
+class DojoLayoutInstance(LayoutInstance):
+
+    djConfig = "parseOnLoad: true, usePlainJson: true, locale: 'de'"
+
+    @Lazy
+    def content(self):
+        djInfo = self.view.request.annotations.get('ajax.dojo', {})
+        packages = djInfo.get('requirements', set())
+        out = StringIO()
+        for p in packages:
+            out.write('dojo.require(%s); ' % p)
+        return out.getvalue()

ajax/dojo/macros.pt

@@ -1,8 +1,24 @@
-<metal:def define-macro="main">
+<!-- $Id$ -->
 
+<metal:def define-macro="main">
   <script type="text/javascript" src="ajax.dojo/dojo.js"
           tal:attributes="src context/++resource++ajax.dojo/dojo/dojo.js;
                           djConfig macro/djConfig|nothing">
   </script>
-
 </metal:def>
+
+
+<metal:js define-macro="dojo">
+  <script type="text/javascript"
+          src="/@@/ajax.dojo/dojo/dojo.js"
+          tal:attributes="djConfig view/context/djConfig|nothing">
+  </script>
+</metal:js>
+
+
+<metal:js define-macro="dojo_require"
+          tal:define="layout view/context/template">
+  <script type="text/javascript" language="JavaScript"
+          tal:content="view/context/content">
+  </script>
+</metal:js>

commerce/interfaces.py

@@ -206,6 +206,7 @@ class ICategory(Interface):
     shops = Attribute(u'The shops providing this category.')
     accessories = Attribute(u'Accessories for this category.')
 
+
 # customers
 
 class ICustomer(Interface):

composer/layout/base.py

@@ -70,6 +70,13 @@ class Layout(Template):
         self.regionName = regionName
         for k, v in kw.items():
             setattr(self, k, v)
+        #self.register()
+
+    def register(self):
+        existing = component.queryUtility(ILayout, name=self.name)
+        if existing:
+            raise ValueError('Layout %s has already been registered.' % self.name)
+        component.provideUtility(self, provides=ILayout, name=self.name)
 
 
 class LayoutInstance(object):

composer/layout/browser/standard.pt

@@ -14,6 +14,10 @@
         <metal:css use-macro="view/renderer" />
       </tal:css>
 
+      <tal:js repeat="view view/layouts/js">
+        <metal:js use-macro="view/renderer" />
+      </tal:js>
+
       <link rel="shortcut icon" type="image/x-icon" href="favicon.ico"
             tal:attributes="href string:${view/page/resourceBase}${layout/favicon}" />
 
@@ -37,6 +41,22 @@
 </metal:css>
 
 
+<metal:js define-macro="js"
+          tal:define="layout view/context/template">
+  <script type="text/javascript"
+          tal:attributes="src string:${view/page/resourceBase}${layout/resource});">
+  </script>
+</metal:js>
+
+
+<metal:js define-macro="js-execute"
+          tal:define="layout view/context/template">
+  <script type="text/javascript" language="JavaScript"
+          tal:content="layout/content">
+  </script>
+</metal:js>
+
+
 <metal:image define-macro="image"
              tal:define="layout view/context/template">
     <img tal:attributes="src string:${view/page/resourceBase}${layout/src};