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

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69<li><a class="reference external" href="#"><tt class="docutils literal"><span class="pre">GeoExt.WMSLegend</span></tt></a><ul>
70<li><a class="reference external" href="#config-options">Config Options</a></li>
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76            <p class="topless"><a href="VectorLegend.html"
77                                  title="previous chapter"><tt class="docutils literal docutils literal docutils literal"><span class="pre">GeoExt.VectorLegend</span></tt></a></p>
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80                                  title="next chapter"><tt class="docutils literal"><span class="pre">GeoExt.ZoomSlider</span></tt></a></p>
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90  <div class="section" id="geoext-wmslegend">
91<h1><a title="GeoExt.WMSLegend" class="reference internal" href="#GeoExt.WMSLegend"><tt class="xref docutils literal"><span class="pre">GeoExt.WMSLegend</span></tt></a><a class="headerlink" href="#geoext-wmslegend" title="Permalink to this headline">¶</a></h1>
92<dl class="meta docutils">
93<dt>Extends</dt>
94<dd><ul class="first last simple">
95<li><a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a></li>
96<li><a title="GeoExt.LayerLegend" class="reference external" href="LayerLegend.html#GeoExt.LayerLegend"><tt class="xref docutils literal"><span class="pre">GeoExt.LayerLegend</span></tt></a></li>
97</ul>
98</dd>
99<dt>xtype</dt>
100<dd><tt class="docutils literal"><span class="pre">gx_wmslegend</span></tt></dd>
101</dl>
102<dl class="class">
103<dt id="GeoExt.WMSLegend">
104<em class="property">class </em><tt class="descclassname">GeoExt.</tt><tt class="descname">WMSLegend</tt><big>(</big><em>config</em><big>)</big><a class="headerlink" href="#GeoExt.WMSLegend" title="Permalink to this definition">¶</a></dt>
105<dd></dd></dl>
106
107<p>Show a legend image for a WMS layer. The image can be read from the styles
108field of a layer record (if the record comes e.g. from a
109<a title="GeoExt.data.WMSCapabilitiesReader" class="reference external" href="../data/WMSCapabilitiesReader.html#GeoExt.data.WMSCapabilitiesReader"><tt class="xref docutils literal"><span class="pre">GeoExt.data.WMSCapabilitiesReader</span></tt></a>). If not provided, a
110GetLegendGraphic request will be issued to retrieve the image.</p>
111<div class="section" id="config-options">
112<h2>Config Options<a class="headerlink" href="#config-options" title="Permalink to this headline">¶</a></h2>
113<p>Configuration properties in addition to
114those listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a>.</p>
115<dl class="describe">
116<dt>
117<tt class="descname">baseParams</tt></dt>
118<dd><dl class="docutils">
119<dt><tt class="docutils literal"><span class="pre">Object</span></tt></dt>
120<dd><p class="first">Optional parameters to add to the legend url, this can e.g. be used to
121support vendor-specific parameters in a SLD WMS GetLegendGraphic
122request. To override the default MIME type of image/gif use the
123FORMAT parameter in baseParams.</p>
124<div class="last highlight-javascript"><div class="highlight"><pre><span class="kd">var</span> <span class="nx">legendPanel</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">GeoExt</span><span class="p">.</span><span class="nx">LegendPanel</span><span class="p">({</span>
125    <span class="nx">map</span><span class="o">:</span> <span class="nx">map</span><span class="p">,</span>
126    <span class="nx">title</span><span class="o">:</span> <span class="s1">&#39;Legend Panel&#39;</span><span class="p">,</span>
127    <span class="nx">defaults</span><span class="o">:</span> <span class="p">{</span>
128        <span class="nx">style</span><span class="o">:</span> <span class="s1">&#39;padding:5px&#39;</span><span class="p">,</span>
129        <span class="nx">baseParams</span><span class="o">:</span> <span class="p">{</span>
130            <span class="nx">FORMAT</span><span class="o">:</span> <span class="s1">&#39;image/png&#39;</span><span class="p">,</span>
131            <span class="nx">LEGEND_OPTIONS</span><span class="o">:</span> <span class="s1">&#39;forceLabels:on&#39;</span>
132        <span class="p">}</span>
133    <span class="p">}</span>
134<span class="p">});</span>
135</pre></div>
136</div>
137</dd>
138</dl>
139</dd></dl>
140
141<dl class="describe">
142<dt>
143<tt class="descname">defaultStyleIsFirst</tt></dt>
144<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
145The WMS spec does not say if the first style advertised for a layer in
146a Capabilities document is the default style that the layer is
147rendered with. We make this assumption by default. To be strictly WMS
148compliant, set this to false, but make sure to configure a STYLES
149param with your WMS layers, otherwise LegendURLs advertised in the
150GetCapabilities document cannot be used.</dd></dl>
151
152<dl class="describe">
153<dt>
154<tt class="descname">labelCls</tt></dt>
155<dd><tt class="docutils literal"><span class="pre">String</span></tt>
156Optional css class to use for the layer title labels.</dd></dl>
157
158<dl class="describe">
159<dt>
160<tt class="descname">layerRecord</tt></dt>
161<dd><a title="GeoExt.data.LayerRecord" class="reference external" href="../data/LayerRecord.html#GeoExt.data.LayerRecord"><tt class="xref docutils literal"><span class="pre">GeoExt.data.LayerRecord</span></tt></a>  The layer record for the legend</dd></dl>
162
163<dl class="describe">
164<dt>
165<tt class="descname">legendTitle</tt></dt>
166<dd><tt class="docutils literal"><span class="pre">String</span></tt>
167Optional title to be displayed instead of the layer title.  If this is
168set, the value of <tt class="docutils literal"><span class="pre">showTitle</span></tt> will be ignored (assumed to be true).</dd></dl>
169
170<dl class="describe">
171<dt>
172<tt class="descname">showTitle</tt></dt>
173<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
174Whether or not to show the title of a layer. This can be overridden
175on the LayerStore record using the hideTitle property.</dd></dl>
176
177<dl class="describe">
178<dt>
179<tt class="descname">useScaleParameter</tt></dt>
180<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
181Should we use the optional SCALE parameter in the SLD WMS
182GetLegendGraphic request? Defaults to true.</dd></dl>
183
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