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source: trunk/workshop-routing-foss4g/web/GeoExt/docs/_sources/lib/GeoExt/widgets/WMSLegend.txt @ 76

Revision 76, 2.6 KB checked in by djay, 10 years ago (diff)

Ajout du répertoire web

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1
2.. currentmodule:: GeoExt
3
4:class:`GeoExt.WMSLegend`
5================================================================================
6
7
8.. cssclass:: meta
9
10
11Extends
12    * `Ext.Container <http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container>`_
13    * :class:`GeoExt.LayerLegend`
14
15
16
17xtype
18    ``gx_wmslegend``
19
20
21
22
23.. class:: WMSLegend(config)
24
25Show a legend image for a WMS layer. The image can be read from the styles
26field of a layer record (if the record comes e.g. from a
27:class:`GeoExt.data.WMSCapabilitiesReader`). If not provided, a
28GetLegendGraphic request will be issued to retrieve the image.
29
30
31   
32
33
34Config Options
35--------------
36
37Configuration properties in addition to
38those listed for `Ext.Container <http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container>`_.
39
40
41.. describe:: baseParams
42
43    ``Object``
44     Optional parameters to add to the legend url, this can e.g. be used to
45     support vendor-specific parameters in a SLD WMS GetLegendGraphic
46     request. To override the default MIME type of image/gif use the
47     FORMAT parameter in baseParams.
48   
49     .. code-block:: javascript
50   
51         var legendPanel = new GeoExt.LegendPanel({
52             map: map,
53             title: 'Legend Panel',
54             defaults: {
55                 style: 'padding:5px',
56                 baseParams: {
57                     FORMAT: 'image/png',
58                     LEGEND_OPTIONS: 'forceLabels:on'
59                 }
60             }
61         });
62
63.. describe:: defaultStyleIsFirst
64
65    ``Boolean``
66    The WMS spec does not say if the first style advertised for a layer in
67    a Capabilities document is the default style that the layer is
68    rendered with. We make this assumption by default. To be strictly WMS
69    compliant, set this to false, but make sure to configure a STYLES
70    param with your WMS layers, otherwise LegendURLs advertised in the
71    GetCapabilities document cannot be used.
72
73.. describe:: labelCls
74
75    ``String``
76    Optional css class to use for the layer title labels.
77
78.. describe:: layerRecord
79
80    :class:`GeoExt.data.LayerRecord`  The layer record for the legend
81
82.. describe:: legendTitle
83
84    ``String``
85    Optional title to be displayed instead of the layer title.  If this is
86    set, the value of ``showTitle`` will be ignored (assumed to be true).
87
88.. describe:: showTitle
89
90    ``Boolean``
91    Whether or not to show the title of a layer. This can be overridden
92    on the LayerStore record using the hideTitle property.
93
94.. describe:: useScaleParameter
95
96    ``Boolean``
97    Should we use the optional SCALE parameter in the SLD WMS
98    GetLegendGraphic request? Defaults to true.
99
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