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69<li><a class="reference external" href="#"><tt class="docutils literal"><span class="pre">GeoExt.VectorLegend</span></tt></a><ul>
70<li><a class="reference external" href="#config-options">Config Options</a></li>
71<li><a class="reference external" href="#public-methods">Public Methods</a></li>
72<li><a class="reference external" href="#events">Events</a></li>
73</ul>
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79                                  title="previous chapter"><tt class="docutils literal docutils literal docutils literal"><span class="pre">GeoExt.UrlLegend</span></tt></a></p>
80            <h4>Next topic</h4>
81            <p class="topless"><a href="WMSLegend.html"
82                                  title="next chapter"><tt class="docutils literal"><span class="pre">GeoExt.WMSLegend</span></tt></a></p>
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91           
92  <div class="section" id="geoext-vectorlegend">
93<h1><a title="GeoExt.VectorLegend" class="reference internal" href="#GeoExt.VectorLegend"><tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend</span></tt></a><a class="headerlink" href="#geoext-vectorlegend" title="Permalink to this headline">¶</a></h1>
94<dl class="meta docutils">
95<dt>Extends</dt>
96<dd><ul class="first last simple">
97<li><a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a></li>
98<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>
99</ul>
100</dd>
101<dt>xtype</dt>
102<dd><tt class="docutils literal"><span class="pre">gx_vectorlegend</span></tt></dd>
103</dl>
104<dl class="class">
105<dt id="GeoExt.VectorLegend">
106<em class="property">class </em><tt class="descclassname">GeoExt.</tt><tt class="descname">VectorLegend</tt><big>(</big><em>config</em><big>)</big><a class="headerlink" href="#GeoExt.VectorLegend" title="Permalink to this definition">¶</a></dt>
107<dd>Create a vector legend.</dd></dl>
108
109<div class="section" id="config-options">
110<h2>Config Options<a class="headerlink" href="#config-options" title="Permalink to this headline">¶</a></h2>
111<p>Configuration properties in addition to
112those listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a>.</p>
113<dl class="describe">
114<dt>
115<tt class="descname">bodyBorder</tt></dt>
116<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
117Show a border around the legend panel. Default is <tt class="docutils literal"><span class="pre">false</span></tt>.</dd></dl>
118
119<dl class="describe">
120<dt>
121<tt class="descname">clickableSymbol</tt></dt>
122<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
123Set cursor style to &#8220;pointer&#8221; for symbolizers.  Register for
124the <tt class="docutils literal"><span class="pre">symbolclick</span></tt> event to handle clicks.  Note that click events
125are fired regardless of this value.  If <tt class="docutils literal"><span class="pre">false</span></tt>, no cursor style will
126be set.  Default is <tt class="docutils literal"><span class="pre">false</span></tt>.</dd></dl>
127
128<dl class="describe">
129<dt>
130<tt class="descname">clickableTitle</tt></dt>
131<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
132Set cursor style to &#8220;pointer&#8221; for rule titles.  Register for
133the <tt class="docutils literal"><span class="pre">titleclick</span></tt> event to handle clicks.  Note that click events
134are fired regardless of this value.  If <tt class="docutils literal"><span class="pre">false</span></tt>, no cursor style will
135be set.  Default is <tt class="docutils literal"><span class="pre">false</span></tt>.</dd></dl>
136
137<dl class="describe">
138<dt>
139<tt class="descname">enableDD</tt></dt>
140<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
141Allow drag and drop of rules. Default is <tt class="docutils literal"><span class="pre">false</span></tt>.</dd></dl>
142
143<dl class="describe">
144<dt>
145<tt class="descname">labelCls</tt></dt>
146<dd><tt class="docutils literal"><span class="pre">String</span></tt>
147Optional css class to use for the layer title labels.</dd></dl>
148
149<dl class="describe">
150<dt>
151<tt class="descname">layer</tt></dt>
152<dd><tt class="docutils literal"><span class="pre">OpenLayers.Layer.Vector</span></tt>
153The layer that this legend will be based on.  One of <tt class="docutils literal"><span class="pre">layer</span></tt>,
154<tt class="docutils literal"><span class="pre">rules</span></tt>, or <tt class="docutils literal"><span class="pre">layerRecord</span></tt> must be specified in the config.</dd></dl>
155
156<dl class="describe">
157<dt>
158<tt class="descname">layerRecord</tt></dt>
159<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>
160The record containing a vector layer that this legend will be based on.
161One of <tt class="docutils literal"><span class="pre">layerRecord</span></tt>, <tt class="docutils literal"><span class="pre">layer</span></tt>,  or <tt class="docutils literal"><span class="pre">rules</span></tt> must be specified in
162the config.</dd></dl>
163
164<dl class="describe">
165<dt>
166<tt class="descname">legendTitle</tt></dt>
167<dd><tt class="docutils literal"><span class="pre">String</span></tt>
168Optional title to be displayed instead of the layer title.  If this is
169set, the value of <tt class="docutils literal"><span class="pre">showTitle</span></tt> will be ignored (assumed to be true).</dd></dl>
170
171<dl class="describe">
172<dt>
173<tt class="descname">rules</tt></dt>
174<dd><dl class="docutils">
175<dt><tt class="docutils literal"><span class="pre">Array(OpenLayers.Rule)</span></tt></dt>
176<dd>List of rules.  One of <tt class="docutils literal"><span class="pre">rules</span></tt>, <tt class="docutils literal"><span class="pre">layer</span></tt>, or <tt class="docutils literal"><span class="pre">layerRecord</span></tt> must be
177specified in the config.  The <tt class="docutils literal"><span class="pre">symbolType</span></tt> property must also be
178provided if only <tt class="docutils literal"><span class="pre">rules</span></tt> are given in the config.</dd>
179</dl>
180</dd></dl>
181
182<dl class="describe">
183<dt>
184<tt class="descname">selectOnClick</tt></dt>
185<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
186Set to true if a rule should be selected by clicking on the
187symbol or title. Selection will trigger the ruleselected event, and
188a click on a selected rule will unselect it and trigger the
189<tt class="docutils literal"><span class="pre">ruleunselected</span></tt> event. Default is <tt class="docutils literal"><span class="pre">false</span></tt>.</dd></dl>
190
191<dl class="describe">
192<dt>
193<tt class="descname">showTitle</tt></dt>
194<dd><tt class="docutils literal"><span class="pre">Boolean</span></tt>
195Whether or not to show the title of a layer. This can be overridden
196on the LayerStore record using the hideTitle property.</dd></dl>
197
198<dl class="describe">
199<dt>
200<tt class="descname">symbolType</tt></dt>
201<dd><tt class="docutils literal"><span class="pre">String</span></tt>
202The symbol type for legend swatches.  Must be one of <tt class="docutils literal"><span class="pre">&quot;Point&quot;</span></tt>,
203<tt class="docutils literal"><span class="pre">&quot;Line&quot;</span></tt>, or <tt class="docutils literal"><span class="pre">&quot;Polygon&quot;</span></tt>.  If not provided, the <tt class="docutils literal"><span class="pre">layer</span></tt> or
204<tt class="docutils literal"><span class="pre">layerRecord</span></tt> config property must be specified, and the geometry type
205of the first feature found on the layer will be used. If a rule does
206not have a symbolizer for <tt class="docutils literal"><span class="pre">symbolType</span></tt>, we look at the symbolizers
207for the rule, and see if it has a <tt class="docutils literal"><span class="pre">&quot;Point&quot;</span></tt>, <tt class="docutils literal"><span class="pre">&quot;Line&quot;</span></tt> or
208<tt class="docutils literal"><span class="pre">&quot;Polygon&quot;</span></tt> symbolizer, which we use for rendering a swatch of the
209respective geometry type.</dd></dl>
210
211<dl class="describe">
212<dt>
213<tt class="descname">untitledPrefix</tt></dt>
214<dd><tt class="docutils literal"><span class="pre">String</span></tt>
215The prefix to use as a title for rules with no title or
216name.  Default is <tt class="docutils literal"><span class="pre">&quot;Untitled</span> <span class="pre">&quot;</span></tt>.  Prefix will be appended with a
217number that corresponds to the index of the rule (1 for first rule).</dd></dl>
218
219</div>
220<div class="section" id="public-methods">
221<h2>Public Methods<a class="headerlink" href="#public-methods" title="Permalink to this headline">¶</a></h2>
222<p>Public methods in addition to those
223listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a>.</p>
224<dl class="method">
225<dt id="GeoExt.VectorLegend.setCurrentScaleDenominator">
226<tt class="descclassname">VectorLegend.</tt><tt class="descname">setCurrentScaleDenominator</tt><big>(</big><big>)</big><a class="headerlink" href="#GeoExt.VectorLegend.setCurrentScaleDenominator" title="Permalink to this definition">¶</a></dt>
227<dd><table class="docutils field-list" frame="void" rules="none">
228<col class="field-name" />
229<col class="field-body" />
230<tbody valign="top">
231<tr class="field"><th class="field-name">Parameter:</th><td class="field-body"><em>scale</em> &#8211; <tt class="docutils literal"><span class="pre">Number</span></tt> The scale denominator.</td>
232</tr>
233</tbody>
234</table>
235<p>Set the current scale denominator.  This will hide entries for any
236rules that don&#8217;t apply at the current scale.</p>
237</dd></dl>
238
239<dl class="method">
240<dt id="GeoExt.VectorLegend.update">
241<tt class="descclassname">VectorLegend.</tt><tt class="descname">update</tt><big>(</big><big>)</big><a class="headerlink" href="#GeoExt.VectorLegend.update" title="Permalink to this definition">¶</a></dt>
242<dd>Update rule titles and symbolizers.</dd></dl>
243
244</div>
245<div class="section" id="events">
246<h2>Events<a class="headerlink" href="#events" title="Permalink to this headline">¶</a></h2>
247<p>Events in addition to those
248listed for <a class="reference external" href="http://dev.sencha.com/deploy/dev/docs/?class=Ext.Container">Ext.Container</a>.</p>
249<dl class="describe">
250<dt>
251<tt class="descname">ruleclick</tt></dt>
252<dd><p>Fires when a rule entry is clicked (fired with symbolizer or
253title click).</p>
254<p>Listener arguments:</p>
255<ul class="simple">
256<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
257<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule that was clicked.</li>
258</ul>
259</dd></dl>
260
261<dl class="describe">
262<dt>
263<tt class="descname">rulemoved</tt></dt>
264<dd><p>Fires when a rule is moved.</p>
265<p>Listener arguments:</p>
266<ul class="simple">
267<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
268<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule that was moved.</li>
269</ul>
270</dd></dl>
271
272<dl class="describe">
273<dt>
274<tt class="descname">ruleselected</tt></dt>
275<dd><p>Fires when a rule is clicked and <tt class="docutils literal"><span class="pre">selectOnClick</span></tt> is set to
276<tt class="docutils literal"><span class="pre">true</span></tt>.</p>
277<p>Listener arguments:</p>
278<ul class="simple">
279<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
280<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule that was selected.</li>
281</ul>
282</dd></dl>
283
284<dl class="describe">
285<dt>
286<tt class="descname">ruleunselected</tt></dt>
287<dd><p>Fires when the selected rule is clicked and <tt class="docutils literal"><span class="pre">selectOnClick</span></tt>
288is set to <tt class="docutils literal"><span class="pre">true</span></tt>, or when a rule is unselected by selecting a
289different one.</p>
290<p>Listener arguments:</p>
291<ul class="simple">
292<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
293<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule that was unselected.</li>
294</ul>
295</dd></dl>
296
297<dl class="describe">
298<dt>
299<tt class="descname">symbolclick</tt></dt>
300<dd><p>Fires when a rule symbolizer is clicked.</p>
301<p>Listener arguments:</p>
302<ul class="simple">
303<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
304<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule whose symbol was clicked.</li>
305</ul>
306</dd></dl>
307
308<dl class="describe">
309<dt>
310<tt class="descname">titleclick</tt></dt>
311<dd><p>Fires when a rule title is clicked.</p>
312<p>Listener arguments:</p>
313<ul class="simple">
314<li>comp - <tt class="xref docutils literal"><span class="pre">GeoExt.VectorLegend`</span></tt> This component.</li>
315<li>rule - <tt class="docutils literal"><span class="pre">OpenLayers.Rule</span></tt> The rule whose title was clicked.</li>
316</ul>
317</dd></dl>
318
319</div>
320</div>
321
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