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="${field_id}_info" />
  19         </span>
  20 '''
  21
  22 MultiSelectAjax = '''
  23
  24     function _on_alumno_get_result(lista, loading, results)
  25     {
  26         load = MochiKit.DOM.getElement(loading);
  27         load.style.visibility = 'hidden';
  28         if (results.error) {
  29             alert(results.msg);
  30             return;
  31         }
  32         MochiKit.DOM.appendChildNodes(lista, OPTION({'value':results.msg.id}, results.msg.value));
  33         l = MochiKit.DOM.getElement(lista);
  34     }
  35
  36     function _on_alumno_get_error(loading, results)
  37     {
  38         alert(results)
  39         load = MochiKit.DOM.getElement(loading);
  40         load.style.visibility = 'hidden';
  41     }
  42
  43     function sacar_de_la_lista(lista)
  44     {
  45         l = MochiKit.DOM.getElement(lista);
  46         if (l.selectedIndex < 0) return;
  47
  48         /* caso especial, 1 solo item */
  49         if (l.options.length == 1) {
  50             l.options.length = 0
  51             return;
  52         }
  53
  54         for (i=l.selectedIndex; i<l.options.length-1;i++)
  55             l.options[i] = l.options[i+1];
  56     }
  57
  58     function _do_add(callback, texto, lista, loading)
  59     {
  60         url = callback(texto, lista);
  61         t = MochiKit.DOM.getElement(texto);
  62
  63         load = MochiKit.DOM.getElement(loading);
  64         load.style.visibility = 'visible';
  65         var d = loadJSONDoc(url);
  66         d.addCallbacks(partial(_on_alumno_get_result, lista, loading), partial(_on_alumno_get_error, loading));
  67     }
  68 '''
  69
  70 class AjaxMultiSelect(widgets.MultipleSelectField):
  71     template = '''
  72     <div style="width:250px" xmlns:py="http://purl.org/kid/ns#">
  73     <div>
  74     <input type="text" id="${field_id}_nuevo" size="10" value="padron"
  75         style="color:#aaa;"
  76         onfocus="this.style.color='#000'; if (this.value =='padron') { this.value=''; }"
  77         onblur="if (this.value == '') { this.style.color='#aaa'; this.value='padron'; }" />
  78     <img src="/static/images/loading.gif" align="baseline" style="visibility:hidden;" id="${name}_loading" width="16px" height="16px" />
  79     <input type="button" id="_agregar" value="Agregar"
  80         onClick=" _do_add(${on_add}, '${field_id}_nuevo', '${field_id}', '${name}_loading'); " />
  81     </div>
  82     <div>
  83     <select
  84         multiple="multiple"
  85         size="${size}"
  86         name="${name}"
  87         class="${field_class}"
  88         id="${field_id}"
  89         py:attrs="attrs"
  90         style="width:250px;"
  91     >
  92         <optgroup py:for="group, options in grouped_options"
  93             label="${group}"
  94             py:strip="not group"
  95         >
  96         <option py:for="value, desc, attrs in options"
  97             value="${value}"
  98             py:attrs="attrs"
  99             py:content="desc"
 100         />
 101         </optgroup>
 102     </select>
 103     </div>
 104     <div align="center">
 105     <input type="button" id="_sacar" value="Borrar" style="width:100%;"
 106         onClick="sacar_de_la_lista('${field_id}'); " />
 107     </div>
 108     </div>
 109     '''
 110     javascript = [widgets.JSSource(MultiSelectAjax)]
 111     on_add = "alert('Not defined action');"
 112
 113     def __init__(self, **kw):
 114         self.params.append('on_add')
 115         self.on_add = "alert('Not defined action');"
 116         widgets.MultipleSelectField.__init__(self, **kw)