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trunk/workshop-routing-foss4g/web/GeoExt/docs/_sources/lib/GeoExt/data/FeatureReader.txt
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1 | |
2 | .. currentmodule:: GeoExt.data |
3 | |
4 | :class:`GeoExt.data.FeatureReader` |
5 | ================================================================================ |
6 | |
7 | |
8 | .. cssclass:: meta |
9 | |
10 | |
11 | Extends |
12 | * `Ext.data.DataReader <http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader>`_ |
13 | |
14 | |
15 | |
16 | |
17 | |
18 | |
19 | |
20 | .. class:: FeatureReader(meta, recordType) |
21 | |
22 | Data reader class to create an array of |
23 | :class:`GeoExt.data.FeatureRecord` objects from an |
24 | ``OpenLayers.Protocol.Response`` object for use in a |
25 | :class:`GeoExt.data.FeatureStore` object. |
26 | |
27 | |
28 | |
29 | Example Use |
30 | ----------- |
31 | |
32 | Typical usage in a store: |
33 | |
34 | .. code-block:: javascript |
35 | |
36 | var store = new Ext.data.Store({ |
37 | reader: new GeoExt.data.FeatureReader({}, [ |
38 | {name: 'name', type: 'string'}, |
39 | {name: 'elevation', type: 'float'} |
40 | ]) |
41 | }); |
42 | |
43 | |
44 | |
45 | |
46 | |
47 | |
48 | |
49 | |
50 | |
51 | Public Methods |
52 | -------------- |
53 | |
54 | Public methods in addition to those |
55 | listed for `Ext.data.DataReader <http://dev.sencha.com/deploy/dev/docs/?class=Ext.data.DataReader>`_. |
56 | |
57 | |
58 | .. method:: FeatureReader.readRecords |
59 | |
60 | :param features: ``Array(OpenLayers.Feature.Vector)`` List of |
61 | features for creating records |
62 | :return: ``Object`` An object with ``records`` and ``totalRecords`` |
63 | properties. |
64 | |
65 | Create a data block containing :class:`GeoExt.data.FeatureRecord` |
66 | objects from an array of features. |
67 | |
68 | |
69 | |
70 | |
71 |
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