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Google map geo location and z3c.form widget for Zope3

Project description

This package provides a m01.mongo and z3c.form based google map widget for Zope3.

README

This package provides a z3c.form widget concept for google maps. For more info about google maps see: http://code.google.com/apis/maps/.

The google map (GMapWidget) widget allows you to show a map for select latitude and longitude for a geo location in input mode. In display mode it offers a GMap which shows the given location.

As for all widgets, the GMap widget must provide the IWidget interface:

>>> from zope.interface.verify import verifyClass
>>> from z3c.form.interfaces import IWidget
>>> from z3c.form.interfaces import INPUT_MODE
>>> from m01.gmap.widget import GMapWidget
>>> verifyClass(IWidget, GMapWidget)
True

The widget can be instantiated only using the request:

>>> from z3c.form.testing import TestRequest
>>> request = TestRequest()
>>> widget = GMapWidget(request)

Before rendering the widget, one has to set the name and id of the widget:

>>> widget.id = 'widget.id'
>>> widget.name = 'widget.name'

We also need to register the template for the widget:

>>> import zope.component
>>> from zope.pagetemplate.interfaces import IPageTemplate
>>> from z3c.form.widget import WidgetTemplateFactory
>>> import os
>>> import m01.gmap
>>> def getPath(filename):
...     return os.path.join(os.path.dirname(m01.gmap.__file__),
...     filename)
>>> from m01.gmap import interfaces
>>> zope.component.provideAdapter(
...     WidgetTemplateFactory(getPath('widget_input.pt'), 'text/html'),
...     (None, None, None, None, interfaces.IGMapWidget),
...     IPageTemplate, name=INPUT_MODE)

If we render the widget we get a simple input element:

>>> print(widget.render())
<input type="hidden" id="widget.id-latitude" name="widget.name-latitude" class="hidden-widget" value="" />
<input type="hidden" id="widget.id-longitude" name="widget.name-longitude" class="hidden-widget" value="" />
<div id="widget.id" style="width: 400px; height: 300px"></div>
<BLANKLINE>
<script type="text/javascript">
  $("#widget\\.id").m01GMapWidget({
    iconWidth: 19,
    infoWindowAnchorYOffset: 0,
    iconHeight: 32,
    iconURL: "http://127.0.0.1/@@/m01GMapWidgetIcon.png",
    iconAnchorXOffset: 9,
    zoomFallback: 4,
    zoom: 11,
    longitude: null,
    longitudeFallback: 10,
    latitudeFallback: 10,
    latitudeExpression: "#widget\\.id-latitude",
    mode: "input",
    infoWindowContent: "Drag and drop the marker and save the form. <br />Double click the marker for remove them.",
    address: "",
    latitude: null,
    iconAnchorYOffset: 30,
    longitudeExpression: "#widget\\.id-longitude",
    iconShadowURL: "http://127.0.0.1/@@/m01GMapWidgetIconShadow.png",
    infoWindowAnchorXOffset: 10
  });
</script>
<BLANKLINE>
<BLANKLINE>

We also need to include the IGMapAPIProvider wcih knows how to generate the gamp api javascipt. The APi key it’self can get defined with a product config or with a envirnoment setup. See buildout.cfg and util.py for more info:

>>> import m01.gmap.util
>>> m01.gmap.util.GMAP_API_KEY
u'ABQIAAAAFAsu6H_TCNEapjedv-QILxTwM0brOpm-All5BF6PoaKBxRWWERQwU76rKRQO6OVZmsjxrqya2hcEBw'

We offer http or https javascript links:

>>> print(m01.gmap.util.GMAP_JAVASCRIPT)
<script type="text/javascript" src="//maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAFAsu6H_TCNEapjedv-QILxTwM0brOpm-All5BF6PoaKBxRWWERQwU76rKRQO6OVZmsjxrqya2hcEBw"> </script>
>>> print(m01.gmap.util.GMAP_HTTPS_JAVASCRIPT)
<script type="text/javascript" src="https://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAFAsu6H_TCNEapjedv-QILxTwM0brOpm-All5BF6PoaKBxRWWERQwU76rKRQO6OVZmsjxrqya2hcEBw"> </script>

And you content provider can get used for render the full javascript:

>>> import m01.gmap.browser
>>> provider = m01.gmap.browser.GMapAPIProvider(None, None, None)
>>> print(provider.render())
<script type="text/javascript" src="https://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAFAsu6H_TCNEapjedv-QILxTwM0brOpm-All5BF6PoaKBxRWWERQwU76rKRQO6OVZmsjxrqya2hcEBw"> </script>

Changes

0.6.1 (28-06-2013)

  • bugfix: fix lat, lng setup in gmaps v3 api javascript

0.6.0 (2013-01-04)

  • update to google maps api v3

0.5.0 (2012-11-18)

  • initial release

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