diff options
Diffstat (limited to 'ishtar/ishtar_base/widgets.py')
| -rw-r--r-- | ishtar/ishtar_base/widgets.py | 343 |
1 files changed, 343 insertions, 0 deletions
diff --git a/ishtar/ishtar_base/widgets.py b/ishtar/ishtar_base/widgets.py new file mode 100644 index 000000000..e058f7074 --- /dev/null +++ b/ishtar/ishtar_base/widgets.py @@ -0,0 +1,343 @@ +#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright (C) 2010-2011 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 Affero 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 Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero 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.template import Context, loader
+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, reverse
+from django.utils.translation import ugettext_lazy as _
+
+from ishtar import settings
+import models
+
+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 SquareMeterWidget(forms.TextInput):
+ def render(self, name, value, attrs=None):
+ if not value:
+ value = u""
+ final_attrs = flatatt(self.build_attrs(attrs, name=name, value=value))
+ output = u'<input class="area_widget" type="text"%s> %s '\
+ u'(<span id="ha_%s">0</span> ha)' % (final_attrs,
+ settings.SURFACE_UNIT_LABEL, attrs['id'])
+ output += """
+<script type="text/javascript"><!--//
+ function evaluate_%(safe_id)s(){
+ value = parseFloat($("#%(id)s").val());
+ if(!isNaN(value)){
+ value = value/10000;
+ } else {
+ value = 0;
+ }
+ $("#ha_%(id)s").html(value);
+ }
+ $("#%(id)s").keyup(evaluate_%(safe_id)s);
+ $(document).ready(evaluate_%(safe_id)s());
+//--></script>
+""" % {"id":attrs['id'], "safe_id":attrs['id'].replace('-', '_')}
+ return mark_safe(output)
+
+AreaWidget = forms.TextInput
+if settings.SURFACE_UNIT == 'square-metre':
+ global AreaWidget
+ AreaWidget = SquareMeterWidget
+
+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() {
+ $("#id_%(name)s").datepicker($.datepicker.regional["%(country)s"]);
+ var val = $("#id_%(name)s").val();
+ if(val){
+ var dtp = $.datepicker.parseDate('yy-mm-dd', val);
+ val = $.datepicker.formatDate(
+ $.datepicker.regional["%(country)s"]['dateFormat'],
+ dtp);
+ $("#id_%(name)s").val(val);
+ }
+ });
+//--></script>
+""" % {"name":name, "country":settings.COUNTRY}
+ return rendered
+
+class JQueryDate(forms.TextInput):
+ def render(self, name, value=None, attrs=None):
+ rendered = super(JQueryDate, self).render(name, value, attrs)
+ # use window.onload to be sure that datepicker don't interfere
+ # with autocomplete fields
+ rendered += """
+<script type="text/javascript"><!--//
+ $(window).load(function() {
+ $("#id_%(name)s").datepicker($.datepicker.regional["%(country)s"]);
+ var val = $("#id_%(name)s").val();
+ if(val){
+ var dt = $.datepicker.parseDate('yy-mm-dd', val);
+ val = $.datepicker.formatDate(
+ $.datepicker.regional["%(country)s"]['dateFormat'],
+ dt);
+ $("#id_%(name)s").val(val);
+ }
+ });
+//--></script>
+""" % {"name":name, "country":settings.COUNTRY}
+ return rendered
+
+class JQueryAutoComplete(forms.TextInput):
+ def __init__(self, source, associated_model=None, options={}, attrs={},
+ new=False):
+ """
+ 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)
+ self.new = new
+
+ 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'
+ new = ''
+ if self.new:
+ model_name = self.associated_model._meta.object_name.lower()
+ url_new = reverse('new-' + model_name, args=[attrs_select['id']])
+ new = u' <a href="#" class="add-button" '\
+ u'onclick="open_window(\'%s\');">+</a>' % url_new
+ html = u'''<input%(attrs_select)s/>%(new)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),
+ 'new':new
+ }
+ return html
+
+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, associated_model, attrs={},
+ table_cols='TABLE_COLS', multiple=False):
+ self.source = source
+ self.form = form
+ self.attrs = attrs
+ self.associated_model = associated_model
+ self.table_cols = table_cols
+ self.multiple = multiple
+
+ def render(self, name, value=None, attrs=None):
+ t = loader.get_template('form_snippet.html')
+ rendered = t.render(Context({'form':self.form}))
+ 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)
+ for field_name in getattr(self.associated_model, self.table_cols):
+ field = self.associated_model
+ keys = field_name.split('.')
+ try:
+ for key in keys:
+ if hasattr(field, 'rel'):
+ field = field.rel.to
+ field = field._meta.get_field(key)
+ except:
+ continue
+ col_names.append(u'"%s"' % field.verbose_name)
+ extra_cols.append(self.COL_TPL % {'idx':field.name})
+ col_names = col_names and ",\n".join(col_names) or ""
+ col_idx = col_idx and ",\n".join(col_idx) or ""
+ extra_cols = extra_cols and ",\n".join(extra_cols) or ""
+ rendered += """<table id="grid_%s" class='jqgrid'></table>
+<div id="pager_%s"></div>
+""" % (name, name)
+ encoding = settings.ENCODING or 'utf-8'
+ rendered += """
+<div id="foot_%s" class="gridfooter"><a href="%scsv" target="_blank">%s (%s)</a></div>
+""" % (name, unicode(self.source), unicode(_("Export as CSV")), encoding)
+ if self.multiple:
+ rendered += '''
+<input type="button" id="add_button_%s" value="%s"/>
+<ul id='selectmulti_%s' class='selectmulti'>
+</ul>
+''' % (name, unicode(_("Add")), name)
+ rendered += '<input type="hidden" id="hidden_%s" name="%s"/>' % (name,
+ name)
+ dct = {'name':name, 'col_names':col_names, 'extra_cols':extra_cols,
+ 'source':unicode(self.source), 'col_idx':col_idx,
+ 'no_result':unicode(_("No results")), 'loading':unicode(_("Loading...")),
+ 'remove':unicode(_("Remove")), 'sname':name.replace('-', '')}
+
+ rendered += """
+<script type="text/javascript">
+var query_vars = new Array(%(col_idx)s);
+jQuery(document).ready(function(){
+ 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?submited=1&" + data;
+ mygrid.setGridParam({url:url});
+ mygrid.trigger("reloadGrid");
+ return false;
+ });
+
+ jQuery("#grid_%(name)s").jqGrid({
+ url:'%(source)s',
+ datatype: "json",
+ mtype: 'GET',
+ colNames:['id', '', %(col_names)s],
+ colModel:[
+ {name:'id', index:'id', hidden:true},
+ {name:'link', index:'link', width:80},
+ %(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,
+ jsonReader : {repeatitems: false}
+ });
+""" % dct
+ if self.multiple:
+ rendered += """
+ var selItems_%(sname)s = new Array();
+ jQuery("#add_button_%(name)s").click(function (){
+ var mygrid = jQuery("#grid_%(name)s");
+ var idx = mygrid.getGridParam('selrow');
+ var label = mygrid.getCell(idx, 2);
+ for (id in selItems_%(sname)s){
+ if(selItems_%(sname)s[id] == idx){
+ return false;
+ }
+ }
+ selItems_%(sname)s.push(idx);
+ jQuery("#selectmulti_%(name)s").append(
+ "<li id='selected_%(name)s_"+idx+"'>"+label+" <a href='#' class='remove' onclick=\\"multiRemoveItem('selItems_%(sname)s', '%(name)s', "+ idx +");return false;\\">%(remove)s</a></li>");
+ return true;
+ });
+ jQuery("#submit_form").click(function (){
+ jQuery("#hidden_%(name)s").val(selItems_%(sname)s);
+ return true;
+ });
+""" % dct
+ else:
+ rendered += """
+ jQuery("#submit_form").click(function (){
+ var mygrid = jQuery("#grid_%(name)s");
+ jQuery("#hidden_%(name)s").val(mygrid.getGridParam('selrow'));
+ return true;
+ });
+""" % dct
+ rendered += """
+});
+</script>
+"""
+ return mark_safe(rendered)
+
|