Source Code for Module madrona.bookmarks.widgets

 1  from django import forms 
 2  from django.utils.safestring import mark_safe 
 3  from django.forms.util import flatatt 
 4  from django.conf import settings 
 5  from django.contrib.gis.geos import fromstr 
 6   
 7   
 8 -class BookmarkWidget(forms.TextInput): 
 9 -    def __init__(self, title='Point', attrs=None): 
10          super(BookmarkWidget, self).__init__(attrs) 
11          self.title = title 
12   
13 -    def render(self, name, value, attrs=None): 
14          output = super(SimplePoint, self).render(name, value, attrs) 
15          set_text = "Set" 
16          new_text = "New" 
17          if value: 
18              geo = fromstr(value) 
19              set_text = "Reset" 
20              new_text = "Reset" 
21          return mark_safe(""" 
22          <div> 
23              <a id="do_grabpoint" class="button" href="#"> 
24                  <span>Click to %s Starting Point</span> 
25              </a> 
26              <span style="display:none">  
27              %s  
28              </span> 
29          </div> 
30          <br/><br/> 
31          <script type="text/javascript"> 
32          var shape; 
33   
34          madrona.beforeDestroy( function() { 
35              if(shape && shape.getParentNode()){ 
36                  gex.dom.removeObject(shape); 
37              } 
38          }); 
39   
40          madrona.onShow( function() { 
41              function shape_to_wkt(shape) { 
42                  var lat = shape.getGeometry().getLatitude(); 
43                  var lon = shape.getGeometry().getLongitude(); 
44                  var wkt = "SRID=4326;POINT(" + lon + " " + lat + ")"; 
45                  return wkt; 
46              } 
47   
48              $('#do_grabpoint').click( function () { 
49                  if(!$(this).hasClass('disabled')){ 
50                      if(shape && shape.getParentNode()){ 
51                          gex.dom.removeObject(shape); 
52                      } 
53                      $(this).addClass('disabled'); 
54                      var button = $(this); 
55                      button.html('<span>Click map to set placemark</span>'); 
56   
57                      var popts = { 
58                          visibility: true, 
59                          name: '%s %s', 
60                          style: { icon: { color: '#FF0' } }             
61                      } 
62                      popts['point'] = [0,0];  
63                      shape = gex.dom.addPlacemark(popts); 
64                      gex.edit.place(shape, { 
65                          bounce: false, 
66                          dropCallback: function(){ 
67                              $('#id_%s').val(shape_to_wkt(shape)); 
68                              button.html('<span>Drag Placemark to Reset</span>'); 
69                              gex.edit.makeDraggable(shape, { 
70                                  bounce: false,  
71                                  dropCallback: function () { 
72                                      $('#id_%s').val(shape_to_wkt(shape)); 
73                                  } 
74                              }); 
75                          } 
76                      }); 
77                  } 
78              }); 
79          }); 
80          </script> 
81          """ % (set_text,output,new_text,self.title,name,name)) 
82