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yandex maps templatetag

Author:
coolchevy
Posted:
May 26, 2012
Language:
Python
Version:
1.4
Score:
1 (after 1 ratings)

https://github.com/coolchevy/django-yandexmaps

django-yandexmaps

easy maps integration via yandex maps api

Installation

  1. Add your YANDEXMAPS_API_KEY to settings.py http://api.yandex.ru/maps/form.xml/
  2. Add 'yandex_maps' in INSTALLED_APPS

Usage

Template::

{% load yandexmaps_tags %}

{% yandex_map_by_address object.get_address object.title 500,300 %}

Demo

http://colorsound.com.ua/clubs/porter-pub-1/

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##https://github.com/coolchevy/django-yandexmaps

##yandexmaps/templatetags/yandexmaps_tags.py
from django.template import Library, TemplateSyntaxError, Node, Variable
from django.template.loader import get_template
from django.template import Context
from django.contrib.sites.models import Site
from yandexmaps.settings import DEFAULT_WIDTH,DEFAULT_HEIGHT,YANDEXMAPS_API_KEY

register = Library()

class YandexMapByAddressNode(Node):
    def __init__(self, address, title, wh):
        self.address = Variable(address)
        self.title = Variable(title)
        self.wh = wh

    def render(self, context):
        if not YANDEXMAPS_API_KEY:
            raise TemplateSyntaxError('YANDEXMAPS_API_KEY is undefined in settings.py')
        address = self.address.resolve(context)
        title = self.title.resolve(context)
        ctx = {
                'map_width':DEFAULT_WIDTH,
                'map_height':DEFAULT_HEIGHT,
                "title":title,
                "address":address,
                "API_KEY":YANDEXMAPS_API_KEY,
                "copyright":Site.objects.get_current().domain,
                }
        if self.wh:
            ctx.update({
                'map_width':self.wh[0],
                'map_height':self.wh[1],
                })
        t = get_template("yandexmaps/map_by_address.html")
        return t.render(Context(ctx))

@register.tag
def yandex_map_by_address(parser, token):
    """
    {% yandex_map_by_address address infobox width,height %}
    """
    bits = token.split_contents()
    if len(bits)<3:
        raise TemplateSyntaxError('%s tag requires more arguments' % bits[0])
    if len(bits) == 4:
        wh = bits[3].split(",")
        if len(wh)<2:
            raise TemplateSyntaxError('%s tag has invalid wight,height argument' % bits[0])
    else:
        wh = None
    return YandexMapByAddressNode(bits[1],bits[2],wh)



##yandexmaps/templates/yandexmaps/map_by_address.html
<script src="http://api-maps.yandex.ru/1.1/index.xml?key={{API_KEY}}" type="text/javascript"></script>
<script type="text/javascript">
var map, geoResult;
YMaps.jQuery(function () {
    map = new YMaps.Map(YMaps.jQuery("#YMapsID")[0]);
    var geocoder = new YMaps.Geocoder('{{address}}', {results: 1, boundedBy: map.getBounds()});
    YMaps.Events.observe(geocoder, geocoder.Events.Load, function () {
        if (this.length()) {
            geoResult = this.get(0);
            map.setBounds(geoResult.getBounds());
    var placemark = new YMaps.Placemark(geoResult.getGeoPoint());
    placemark.name = "{{title}}";
    placemark.description = "{{address}}";
    map.addOverlay(placemark);
    placemark.openBalloon();
        }
    });
    map.addControl(new YMaps.TypeControl());
    map.addControl(new YMaps.Zoom());
    map.addCopyright('{{copyright}}');
});
</script>
<div id="YMapsID" style="width:{{map_width}}px;height:{{map_height}}px;"></div>

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