sercom/widgets.py

   1 # Custom useful widget
   2 #
   3
   4 from turbogears import widgets
   5
   6 class CustomTextField(widgets.TextField):
   7     """Un input con un div al lado para ponerle info"""
   8     template = '''
   9         <span xmlns:py="http://purl.org/kid/ns#">
  10         <input
  11             type="text"
  12             name="${name}"
  13             class="${field_class}"
  14             id="${field_id}"
  15             value="${value}"
  16             py:attrs="attrs"
  17          />
  18          <span id="${field_id}_info" />
  19         </span>
  20 '''
  21
  22 MultiSelectAjax = '''
  23
  24     function _on_alumno_get_result(lista, loading, results)
  25     {
  26         load = MochiKit.DOM.getElement(loading);
  27         load.style.visibility = 'hidden';
  28         if (results.error) {
  29             alert(results.msg);
  30             return;
  31         }
  32         MochiKit.DOM.appendChildNodes(lista, OPTION({'value':results.msg.id}, results.msg.value));
  33         l = MochiKit.DOM.getElement(lista);
  34     }
  35
  36     function _on_alumno_get_error(loading, results)
  37     {
  38         alert(results)
  39         load = MochiKit.DOM.getElement(loading);
  40         load.style.visibility = 'hidden';
  41     }
  42
  43     function sacar_de_la_lista(lista)
  44     {
  45         replaceChildNodes(lista,
  46             list(ifilterfalse(itemgetter('selected'), $(lista).options))
  47         );
  48     }
  49
  50     function _do_add(callback, texto, lista, loading)
  51     {
  52         url = callback(texto, lista);
  53         t = MochiKit.DOM.getElement(texto);
  54
  55         load = MochiKit.DOM.getElement(loading);
  56         load.style.visibility = 'visible';
  57         var d = loadJSONDoc(url);
  58         d.addCallbacks(partial(_on_alumno_get_result, lista, loading), partial(_on_alumno_get_error, loading));
  59         t.value = 'padron';
  60         t.style.color = "#aaa";
  61     }
  62 '''
  63
  64 class AjaxMultiSelect(widgets.MultipleSelectField):
  65     template = '''
  66     <div style="width:250px" xmlns:py="http://purl.org/kid/ns#">
  67     <div>
  68     <input type="text" id="${field_id}_nuevo" size="10" value="padron"
  69         style="color:#aaa;"
  70         onfocus="this.style.color='#000'; if (this.value =='padron') { this.value=''; }"
  71         onblur="if (this.value == '') { this.style.color='#aaa'; this.value='padron'; }" />
  72     <img src="/static/images/loading.gif" align="baseline" style="visibility:hidden;" id="${name}_loading" width="16px" height="16px" />
  73     <input type="button" id="_agregar" value="Agregar"
  74         onClick=" _do_add(${on_add}, '${field_id}_nuevo', '${field_id}', '${name}_loading'); " />
  75     </div>
  76     <div>
  77     <select
  78         multiple="multiple"
  79         size="${size}"
  80         name="${name}"
  81         class="${field_class}"
  82         id="${field_id}"
  83         py:attrs="attrs"
  84         style="width:250px;"
  85     >
  86         <optgroup py:for="group, options in grouped_options"
  87             label="${group}"
  88             py:strip="not group"
  89         >
  90         <option py:for="value, desc, attrs in options"
  91             value="${value}"
  92             py:attrs="attrs"
  93             py:content="desc"
  94         />
  95         </optgroup>
  96     </select>
  97     </div>
  98     <div align="center">
  99     <input type="button" id="_sacar" value="Borrar" style="width:100%;"
 100         onClick="sacar_de_la_lista('${field_id}'); " />
 101     </div>
 102     </div>
 103     '''
 104     javascript = [widgets.JSSource(MultiSelectAjax)]
 105     on_add = "alert('Not defined action');"
 106
 107     def __init__(self, **kw):
 108         self.params.append('on_add')
 109         self.on_add = "alert('Not defined action');"
 110         widgets.MultipleSelectField.__init__(self, **kw)