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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2010 Étienne Loks <etienne.loks_AT_peacefrogsDOTnet>
# Copyright (C) 2007 skam <massimo dot scamarcia at gmail.com>
# (http://djangosnippets.org/snippets/233/)
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# See the file COPYING for details.
from django import forms
from django.utils.safestring import mark_safe
from django.forms.widgets import flatatt
from django.utils.encoding import smart_unicode
from django.utils.html import escape
from django.utils.simplejson import JSONEncoder
from django.core.urlresolvers import resolve
from django.utils.translation import ugettext_lazy as _
from ishtar import settings
class DeleteWidget(forms.CheckboxInput):
def render(self, name, value, attrs=None):
final_attrs = flatatt(self.build_attrs(attrs, name=name,
value='1'))
output = ['<tr class="delete"><td colspan="2">']
output.append(u"<button%s>%s</button>" % (final_attrs, _("Delete")))
output.append('</td></tr>')
return mark_safe('\n'.join(output))
class JQueryDate(forms.TextInput):
def render(self, name, value=None, attrs=None):
rendered = super(JQueryDate, self).render(name, value, attrs)
rendered += """
<script type="text/javascript"><!--//
$(function() {$("#id_%s").datepicker($.datepicker.regional["%s"]);});
//--></script>
""" % (name, settings.COUNTRY)
return rendered
class JQueryAutoComplete(forms.TextInput):
def __init__(self, source, associated_model=None, options={}, attrs={}):
"""
Source can be a list containing the autocomplete values or a
string containing the url used for the request.
"""
self.options = None
self.attrs = {}
self.source = source
self.associated_model = associated_model
if len(options) > 0:
self.options = JSONEncoder().encode(options)
self.attrs.update(attrs)
def render_js(self, field_id):
if isinstance(self.source, list):
source = JSONEncoder().encode(self.source)
elif isinstance(self.source, str) or isinstance(self.source, unicode):
source = "'%s'" % escape(self.source)
else:
try:
source = "'" + unicode(self.source) + "'"
except:
raise ValueError('source type is not valid')
options = 'source : ' + source
options += ''', select: function( event, ui ) {
if(ui.item){
$('#id_%s').val(ui.item.id);
} else {
$('#id_%s').val(null);
}
}, minLength: 2
''' % (field_id, field_id)
if self.options:
options += ',%s' % self.options
js = u'$(\'#id_select_%s\').autocomplete({%s});\n' % (field_id, options)
js += u'''$(\'#id_select_%s\').live('click', function(){
$('#id_%s').val(null);
$('#id_select_%s').val(null);
});''' % (field_id, field_id, field_id)
return js
def render(self, name, value=None, attrs=None):
attrs_hidden = self.build_attrs(attrs, name=name)
attrs_select = self.build_attrs(attrs)
if value:
val = escape(smart_unicode(value))
attrs_hidden['value'] = val
attrs_select['value'] = val
if self.associated_model:
try:
attrs_select['value'] = unicode(self.associated_model.\
objects.get(pk=value))
except:
attrs_select['value'] = ""
if not self.attrs.has_key('id'):
attrs_hidden['id'] = 'id_%s' % name
attrs_select['id'] = 'id_select_%s' % name
if 'class' not in attrs_select:
attrs_select['class'] = 'autocomplete'
return u'''<input%(attrs_select)s/>\
<input type="hidden"%(attrs_hidden)s/>\
<script type="text/javascript"><!--//
$(function() {%(js)s});//--></script>
''' % {
'attrs_select' : flatatt(attrs_select),
'attrs_hidden' : flatatt(attrs_hidden),
'js' : self.render_js(name),
}
class JQueryJqGrid(forms.RadioSelect):
COL_TPL = "{name:'%(idx)s', index:'%(idx)s', sortable:true}"
class Media:
js = ['%s/js/i18n/grid.locale-%s.js' % (settings.MEDIA_URL,
settings.COUNTRY),
'%s/js/jquery.jqGrid.min.js' % settings.MEDIA_URL,
]
css = {'all':['%s/media/ui.jqgrid.css' % settings.MEDIA_URL]}
def __init__(self, source, form, cols, attrs={}):
self.source = source
self.form = form
self.attrs = attrs
self.cols = cols
def render(self, name, value=None, attrs=None):
rendered = unicode(self.form)
"""
for k in self.form.fields:
field = self.form.fields[k]
print unicode(field)
print field.label_tag
rendered += u"<tr><td>%s</td><td>%s</td></tr>" % (field.label_tag,
unicode(field))
"""
rendered += """
</table>
<button id='search_%s' class='submit'>%s</button>
<h4>%s</h4>
""" % (name, unicode(_("Search")), unicode(_("Search and select an item")))
extra_cols = []
col_names, col_idx = [], []
for k in self.form.fields:
field = self.form.fields[k]
col_idx.append(u'"%s"' % k)
if k in self.cols:
col_names.append(u'"%s"' % field.label)
extra_cols.append(self.COL_TPL % {'idx':k})
col_names = col_names and ",".join([""]+col_names) or ""
col_idx = col_idx and ",".join(col_idx) or ""
extra_cols = extra_cols and ",".join([""]+extra_cols) or ""
rendered += """<table id="grid_%s" class='jqgrid'></table>
<div id="pager_%s"></div>
<input type="hidden" id="hidden_%s" name="%s">""" % (name, name, name, name)
rendered += """
<script type="text/javascript">
var query_vars = new Array(%(col_idx)s);
jQuery(document).ready(function(){
jQuery("#submit_form").click(function (){
var mygrid = jQuery("#grid_%(name)s");
jQuery("#hidden_%(name)s").val(mygrid.getGridParam('selrow'));
return true;
});
jQuery("#search_%(name)s").click(function (){
var data = "";
for (idx in query_vars)
{
var key = query_vars[idx];
var val = jQuery("#id_"+key).val();
if (val){
if (data) data += "&";
data += key + "=" + val;
}
}
var mygrid = jQuery("#grid_%(name)s");
var url = "%(source)s?" + data;
mygrid.setGridParam({url:url});
mygrid.trigger("reloadGrid");
return false;
});
jQuery("#grid_%(name)s").jqGrid({
url:'%(source)s',
datatype: "json",
mtype: 'GET',
colNames:['id', '%(name_label)s'%(col_names)s],
colModel:[
{name:'id', index:'id', hidden:true},
{name:'value', index:'value'}%(extra_cols)s
],
sortname: 'value',
viewrecords: true,
sortorder: "asc",
emptyrecords: "%(no_result)s",
loadtext: "%(loading)s",
pager: '#pager_%(name)s',
pgbuttons: false,
pginput: false,
width:740
});
});
</script>
""" % {'name':name, 'col_names':col_names, 'extra_cols':extra_cols,
'name_label':unicode(_("Name")), 'source':unicode(self.source),
'col_idx':col_idx, 'no_result':unicode(_("No results")),
'loading':unicode(_("Loading..."))}
return rendered
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