Small improvements, still experimental and requires erp5_dms_media for now.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@43330 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/AudioField.py

 from Products.Formulator.Field import ZMIField
-from Products.Formulator import Widget, Validator
+from Products.Formulator import Widget
 from Products.Formulator.DummyField import fields
 from Products.Formulator import Validator
+from Products.ERP5Form.ListBox import lazyMethod
 
 class AudioWidget(Widget.TextWidget):
-    """
-    A widget that displays a Audio HTML element.
-    This widget is intended to be used in
-    conjunction with WebSite.
-    """
-    property_names = Widget.TextWidget.property_names + \
-            ['audio_controls', 'audio_error_message', 'audio_loop', \
-                'audio_preload', 'audio_autoplay', 'js_enabled', 'audio_player']
-
-    audio_controls = fields.StringField('audio_controls',
-                           title='Audio Controls',
-                           description=("Controls to be used in Audio Player."),
-                           default='controls',
-                           required=0)
-
-    audio_error_message = fields.StringField('audio_error_message',
-                           title='Audio Error Message',
-                           description=("Error message to be showed when \
-            user's browser does not support the audio tag."),
-                           default='Your browser does not support audio tag.',
-                           required=0)
-
-    audio_loop = fields.StringField('audio_loop',
-                           title='Audio Loop',
-                           description=("Specifies that the audio file \
-            will start over again, every time it is finished."),
-                           default='none',
-                           required=0)
-
-    audio_preload = fields.StringField('audio_preload',
-                           title='Audio Preload',
-                           description=("Configure that you would like to \
-        start downloading the audio file as soon as possible."),
-                           default='preload',
-                           required=0)
-
-    audio_autoplay = fields.StringField('audio_autoplay',
-                           title='Audio Autoplay',
-                           description=("Configure that you would like to \
-        start downloading and playing the audio file as soon as possible."),
-                           default='',
-                           required=0)
-
-    js_enabled = fields.CheckBoxField('js_enabled',
-        title='Enable on the fly video player change (based on java script)',
-        description='Define if javascript is enabled or not on the current Video',
-        default=1,
-        required=1)
-
-    audio_player = fields.ListField('audio_player',
-                                   title='Audio Player',
-                                   description=(
-        "The video player to be used to show video."),
-                                   default="html5_audio",
-                                   required=1,
-                                   size=1,
-                                   items=[('HTML5 Audio', 'html5_audio'),
-                                          ('Flowplayer', 'flowplayer'),])
-
-    def render(self, field, key, value, REQUEST, render_prefix=None):
-        return self.render_view(field, value, REQUEST, render_prefix)
-
-    def render_view(self, field, value, REQUEST=None, render_prefix=None):
-        if value is None:
-            return ''
-        return Widget.render_element("audio",
+  """
+  A widget that displays a Audio HTML element.
+  This widget is intended to be used in
+  conjunction with WebSite.
+  """
+  property_names = Widget.TextWidget.property_names + \
+          ['audio_controls', 'audio_error_message', 'audio_loop', \
+              'audio_preload', 'audio_autoplay', 'js_enabled', 'audio_player']
+
+  audio_controls = fields.StringField('audio_controls',
+                         title='Audio Controls',
+                         description=("Controls to be used in Audio Player."),
+                         default='controls',
+                         required=0)
+
+  audio_error_message = fields.StringField('audio_error_message',
+                         title='Audio Error Message',
+                         description=("Error message to be showed when \
+          user's browser does not support the audio tag."),
+                         default='Your browser does not support audio tag.',
+                         required=0)
+
+  audio_loop = fields.StringField('audio_loop',
+                         title='Audio Loop',
+                         description=("Specifies that the audio file \
+          will start over again, every time it is finished."),
+                         default='none',
+                         required=0)
+
+  audio_preload = fields.StringField('audio_preload',
+                         title='Audio Preload',
+                         description=("Configure that you would like to \
+      start downloading the audio file as soon as possible."),
+                         default='preload',
+                         required=0)
+
+  audio_autoplay = fields.StringField('audio_autoplay',
+                         title='Audio Autoplay',
+                         description=("Configure that you would like to \
+      start downloading and playing the audio file as soon as possible."),
+                         default='',
+                         required=0)
+
+  js_enabled = fields.CheckBoxField('js_enabled',
+      title='Enable on the fly video player change (based on java script)',
+      description='Define if javascript is enabled or not on the current Video',
+      default=1,
+      required=1)
+
+  audio_player = fields.ListField('audio_player',
+                                 title='Audio Player',
+                                 description=(
+      "The video player to be used to show video."),
+                                 default="html5_audio",
+                                 required=1,
+                                 size=1,
+                                 items=[('HTML5 Audio', 'html5_audio'),
+                                        ('Flowplayer', 'flowplayer'),])
+
+  def render(self, field, key, value, REQUEST, render_prefix=None):
+    return self.render_view(field, value, REQUEST, render_prefix)
+
+  def render_view(self, field, value, REQUEST=None, render_prefix=None):
+    if value is None:
+      return ''
+    audio_player = field.get_value('audio_player')
+    if audio_player == 'html5_audio':
+      return Widget.render_element("audio",
                               src=value,
                               extra=field.get_value('extra'),
                               controls=field.get_value('audio_controls'),
@@ -77,39 +80,60 @@ class AudioWidget(Widget.TextWidget):
                               preload=field.get_value('audio_preload'),
                               autoplay=field.get_value('audio_autoplay'),
                               contents=field.get_value('audio_error_message'))
+    elif audio_player == 'flowplayer':
+      a_element = Widget.render_element("a",
+                        href="%s" % value,
+                        style="display:block;width:%spx;height:%spx;" % \
+                                        (field.get_value('video_width'),
+                                         field.get_value('video_height'),),
+                        id="player")
+
+      script_element = """<script language="JavaScript">
+                             flowplayer("player", "%s/flowplayer.swf");
+                         </script>""" % self.getContext(field, REQUEST).getPortalObject().portal_url()
+      return ' '.join(a_element,script_element)
 
-    def get_javascript_list(self, field, REQUEST=None):
-        """
-        Returns list of javascript needed by the widget
-        """
-        if field.get_value('js_enabled'):
-            audio_player = field.get_value('audio_player')
-            context = getContext(field, REQUEST)
-            if audio_player == 'html5_audio':
-                # XXX Instead of harcoding library name
-                # it should be better to call a python script, as
-                # it is done on type base method.
-                return ['%s/html5media.min.js' % context.portal_url()]
-            elif audio_player == 'flowplayer':
-                return ['%s/flowplayer.min.js' % context.portal_url()]
-        else:
-            return []
-
-def getContext(field, REQUEST):
-    """Return the context of rendering this VideoField.
+
+  def get_javascript_list(self, field, REQUEST=None):
+    """
+    Returns list of javascript needed by the widget
+    """
+    if field.get_value('js_enabled'):
+      audio_player = field.get_value('audio_player')
+      context = self.getContext(field, REQUEST)
+      if audio_player == 'html5_audio':
+        # XXX Instead of harcoding library name
+        # it should be better to call a python script, as
+        # it is done on type base method.
+        return ['%s/html5media.min.js' % context.portal_url()]
+      elif audio_player == 'flowplayer':
+        return ['%s/flowplayer.min.js' % context.portal_url()]
+    else:
+      return []
+
+  def getContext(self):
+    """Return the context of rendering this Field..
     """
-    value = REQUEST.get('here')
+    value = self.request.get('here')
     if value is None:
-        value = getForm(field).aq_parent
+      value = self.getForm().aq_parent
     return value
 
-AudioWidgetInstance = AudioWidget()
+  getContext = lazyMethod(getContext)
 
-class AudioField(ZMIField):
-    """ Audio field
+  def getForm(self):
+    """Return the form which contains the Field.
     """
-    meta_type = "AudioField"
+    return self.field.aq_parent
+
+  getForm = lazyMethod(getForm)
 
-    widget = AudioWidgetInstance
-    validator = Validator.SuppressValidatorInstance
+AudioWidgetInstance = AudioWidget()
+
+class AudioField(ZMIField):
+  """ Audio field
+  """
+  meta_type = "AudioField"
 
+  widget = AudioWidgetInstance
+  validator = Validator.SuppressValidatorInstance