Admin import: xapi specific interface (refs #449, refs #458)

1 files changed, 130 insertions, 28 deletions

diff --git a/chimere/widgets.py b/chimere/widgets.py
index 00f5b79..219f30d 100644
--- a/chimere/widgets.py
+++ b/chimere/widgets.py
@@ -30,6 +30,8 @@ from django.core.urlresolvers import reverse
 from django.utils.safestring import mark_safe
 from django.utils.translation import ugettext as _
 
+import re
+
 def getMapJS(area_name=''):
     '''Variable initialization for drawing the map
     '''
@@ -385,34 +387,44 @@ class AreaWidget(forms.TextInput):
               "%schimere/js/edit_area.js" % settings.STATIC_URL,
               "%schimere/js/base.js" % settings.STATIC_URL,]
 
-    def render(self, name, value, attrs=None):
+    def get_bounding_box_from_value(self, value):
+        '''
+        Return upper left lat/lon and lower lat/lon from the input value
+        '''
+        upper_left_lat, upper_left_lon = 0, 0
+        lower_right_lat, lower_right_lon = 0, 0
+        if not value:
+            return upper_left_lat, upper_left_lon, lower_right_lat, \
+                   lower_right_lon
+        if len(value) == 2:
+            upper_left = value[0]
+            lower_right = value[1]
+            if hasattr(upper_left, 'x') and hasattr(upper_left, 'y'):
+                upper_left_lon, upper_left_lat = upper_left.x, upper_left.y
+            elif len(upper_left) == 2:
+                try:
+                    upper_left_lon = float(upper_left[0])
+                    upper_left_lat = float(upper_left[1])
+                except ValueError:
+                    pass
+            if hasattr(lower_right, 'x') and hasattr(lower_right, 'y'):
+                lower_right_lon, lower_right_lat = lower_right.x, \
+                                                   lower_right.y
+            elif len(lower_right) == 2:
+                lower_right_lon, lower_right_lat = lower_right
+                try:
+                    lower_right_lon = float(lower_right[0])
+                    lower_right_lat = float(lower_right[1])
+                except ValueError:
+                    pass
+        return upper_left_lat, upper_left_lon, lower_right_lat, lower_right_lon
+
+    def render(self, name, value, attrs=None, initialized=True):
         """
         Render a map
         """
-        upper_left_lat, upper_left_lon = 0, 0
-        lower_right_lat, lower_right_lon = 0, 0
-        if value:
-            if len(value) == 2:
-                upper_left = value[0]
-                lower_right = value[1]
-                if hasattr(upper_left, 'x') and hasattr(upper_left, 'y'):
-                    upper_left_lon, upper_left_lat = upper_left.x, upper_left.y
-                elif len(upper_left) == 2:
-                    try:
-                        upper_left_lon = float(upper_left[0])
-                        upper_left_lat = float(upper_left[1])
-                    except ValueError:
-                        pass
-                if hasattr(lower_right, 'x') and hasattr(lower_right, 'y'):
-                    lower_right_lon, lower_right_lat = lower_right.x, \
-                                                       lower_right.y
-                elif len(lower_right) == 2:
-                    lower_right_lon, lower_right_lat = lower_right
-                    try:
-                        lower_right_lon = float(lower_right[0])
-                        lower_right_lat = float(lower_right[1])
-                    except ValueError:
-                        pass
+        upper_left_lat, upper_left_lon, lower_right_lat, lower_right_lon = \
+                                        self.get_bounding_box_from_value(value)
         tpl = getMapJS()
         tpl += u"</div>\n"\
         u"<input type='hidden' name='upper_left_lat' id='upper_left_lat' "\
@@ -425,9 +437,9 @@ class AreaWidget(forms.TextInput):
         u"value='%f'/>\n" % (
             upper_left_lat, upper_left_lon, lower_right_lat, lower_right_lon)
         help_msg = _(u"Hold CTRL, click and drag to select area on the map")
-        tpl += u"<p>%s</p>\n" % help_msg
+        tpl += u"<p class='help-osm'>%s</p>\n" % help_msg
         tpl += u"<script type='text/javascript'>\n"
-        tpl += u"$(document).ready(function($) {\ninit();\n"
+        tpl += u"function init_map_form (){\ninit();\n"
         if value:
             tpl += u"var extent = new OpenLayers.Bounds(%f, %f, %f, %f);\n"\
             u"extent.transform(epsg_display_projection, epsg_projection);\n"\
@@ -435,7 +447,10 @@ class AreaWidget(forms.TextInput):
             u"map.zoomToExtent(extent, true);\n"\
             u"map.zoomOut();" % (upper_left_lon, upper_left_lat,
                                  lower_right_lon, lower_right_lat)
-        tpl += u"});\n</script>\n<hr class='spacer'/>\n"
+        tpl += u"}\n"
+        if initialized:
+            tpl += u"$(document).ready(function($) {init_map_form()});\n"
+        tpl += u"</script>\n"
         tpl += u"<div id='map_edit'>\n"
         return mark_safe(tpl)
 
@@ -455,6 +470,93 @@ class AreaWidget(forms.TextInput):
             values.append(value)
         return values
 
+RE_XAPI = re.compile('(node|way)\[(.*=.*)\]\[bbox='\
+          '(-*[0-9]*.[0-9]*,-*[0-9]*.[0-9]*,-*[0-9]*.[0-9]*,-*[0-9]*.[0-9]*)\]')
+
+class ImportFiltrWidget(AreaWidget):
+    """
+    Manage the edition of the import source field
+    """
+    class Media:
+        css = {
+            "all": settings.OSM_CSS_URLS + \
+                   ["%schimere/css/forms.css" % settings.STATIC_URL,]
+        }
+        js = settings.OSM_JS_URLS + [
+              "%schimere/js/edit_area.js" % settings.STATIC_URL,
+              "%schimere/js/base.js" % settings.STATIC_URL,]
+
+    def render(self, name, value, attrs=None):
+        """
+        Render a map
+        """
+        tpl = super(ImportFiltrWidget, self).render(name, value, attrs,
+                                                     initialized=False)
+        tpl += u"</div><hr class='spacer'/>"
+        vals = {'lbl':_(u"Type:"), 'name':name, 'node':_(u"Node"),
+                'way':_(u"Way")}
+        vals['way_selected'] = ' checked="checked"'\
+                               if self.xapi_type == 'way' else ''
+        vals['node_selected'] = ' checked="checked"'\
+                               if self.xapi_type == 'node' else ''
+        tpl += u"<div class='input-osm'><label>%(lbl)s</label>"\
+         u"<input type='radio' name='id_%(name)s_type' id='id_%(name)s_node'"\
+         u" value='node'%(node_selected)s/> <label for='id_%(name)s_node'>"\
+         u"%(node)s</label> <input type='radio' name='id_%(name)s_type' "\
+         u"id='id_%(name)s_way' value='way'%(way_selected)s/> <label "\
+         u"for='id_%(name)s_way'>%(way)s</label></div>" % vals
+        help_msg = _(u"Enter an OSM \"tag=value\" string such as "\
+             u"\"amenity=pub\". A list of common tag is available "\
+             u"<a href='https://wiki.openstreetmap.org/wiki/Map_Features' "\
+             u" target='_blank'>here</a>.")
+        tpl += u"<p class='help-osm'>%s</p>\n" % help_msg
+        tpl += u"<div class='input-osm'><label for='id_%s_tag'>%s</label>"\
+               u"<input type='text' id='id_%s_tag' value=\"%s\"/></div>" % (
+                                         name, _(u"Tag:"), name, self.xapi_tag)
+        tpl += u"<script type='text/javascript'>\n"
+        tpl += u"var default_xapi='%s';" % settings.CHIMERE_XAPI_URL
+        tpl += u'var msg_missing_area = "%s";' % \
+                                            _(u"You have to select an area.")
+        tpl += u'var msg_missing_type = "%s";' % \
+                                            _(u"You have to select a type.")
+        tpl += u'var msg_missing_filtr = "%s";' % \
+                                         _(u"You have to insert a filter tag.")
+        tpl += u"</script>\n"
+        help_msg = _(u"Don't forget to refresh before submit")
+        tpl += u"<p class='help-osm'>%s</p>\n" % help_msg
+        if not value:
+            value = ''
+        tpl += u"<div><input type='text' id='id_%s' name='id_%s' "\
+               u"value=\"%s\"/> <input type='button' id='id_refresh_%s' "\
+               u"value='%s' class='input-osm'/>" % (name, name, value, name,
+                                                    _(u"Refresh"))
+        return mark_safe(tpl)
+
+    def value_from_datadict(self, data, files, name):
+        """
+        Return the appropriate values
+        """
+        return data.get('id_'+name, None)
+
+    def get_bounding_box_from_value(self, value):
+        '''
+        Return upper left lat/lon, lower lat/lon from the input value.
+        Get also xapi type and xapi tag
+        '''
+        upper_left_lat, upper_left_lon = 0, 0
+        lower_right_lat, lower_right_lon = 0, 0
+        self.xapi_type, self.xapi_tag, self.bounding_box = None, None, None
+        xapi_m = RE_XAPI.match(value)
+        if not xapi_m:
+            return upper_left_lat, upper_left_lon, lower_right_lat, \
+                   lower_right_lon
+        # as the regexp pass, we could be pretty confident
+        self.xapi_type, self.xapi_tag, self.bounding_box = xapi_m.groups()
+        upper_left_lon, upper_left_lat, lower_right_lon, lower_right_lat = \
+                self.bounding_box.split(',')
+        return float(upper_left_lat), float(upper_left_lon), \
+               float(lower_right_lat), float(lower_right_lon)
+
 class AreaField(forms.MultiValueField):
     '''
     Set the widget for the form field