openlayers/doc/devdocs/files/OpenLayers/Control/Permalink-js.html

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  14 <div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="OpenLayers.Control.Permalink"></a>OpenLayers.<wbr>Control.<wbr>Permalink</h1><div class=CBody><p>The Permalink control is hyperlink that will return the user to the current map view.&nbsp; By default it is drawn in the lower right corner of the map.&nbsp; The href is updated as the map is zoomed, panned and whilst layers are switched.&nbsp; ` Inherits from:</p><ul><li><a href="../Control-js.html#OpenLayers.Control" class=LClass id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">OpenLayers.Control</a></li></ul><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#OpenLayers.Control.Permalink" >OpenLayers.<wbr>Control.<wbr>Permalink</a></td><td class=SDescription>The Permalink control is hyperlink that will return the user to the current map view. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Permalink.Properties" >Properties</a></td><td class=SDescription></td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.argParserClass" >argParserClass</a></td><td class=SDescription>{Class} The ArgParser control class (not instance) to use with this control.</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Permalink.element" >element</a></td><td class=SDescription>{DOMElement}</td></tr><tr class="SProperty SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.base" >base</a></td><td class=SDescription>{String}</td></tr><tr class="SProperty SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Permalink.displayProjection" >displayProjection</a></td><td class=SDescription>{<a href="../Projection-js.html#OpenLayers.Projection" class=LClass id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">OpenLayers.Projection</a>} Requires proj4js support. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Permalink.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.OpenLayers.Control.Permalink" >OpenLayers.<wbr>Control.<wbr>Permalink</a></td><td class=SDescription></td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Control.Permalink.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.destroy" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">destroy</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Permalink.setMap" id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">setMap</a></td><td class=SDescription>Set the map property for the control.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.draw" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">draw</a></td><td class=SDescription>{DOMElement}</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#OpenLayers.Control.Permalink.updateLink" id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">updateLink</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Control.Permalink.createParams" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">createParams</a></td><td class=SDescription>Creates the parameters that need to be encoded into the permalink url.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
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  16 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.Properties"></a>Properties</h3></div></div>
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  18 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.argParserClass"></a>argParserClass</h3><div class=CBody><p>{Class} The ArgParser control class (not instance) to use with this control.</p></div></div></div>
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  20 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.element"></a>element</h3><div class=CBody><p>{DOMElement}</p></div></div></div>
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  22 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.base"></a>base</h3><div class=CBody><p>{String}</p></div></div></div>
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  24 <div class="CProperty"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.displayProjection"></a>displayProjection</h3><div class=CBody><p>{<a href="../Projection-js.html#OpenLayers.Projection" class=LClass id=link8 onMouseOver="ShowTip(event, 'tt1', 'link8')" onMouseOut="HideTip('tt1')">OpenLayers.Projection</a>} Requires proj4js support.&nbsp;  Projection used when creating the coordinates in the link.&nbsp; This will reproject the map coordinates into display coordinates.&nbsp; If you are using this functionality, the permalink which is last added to the map will determine the coordinate type which is read from the URL, which means you should not add permalinks with different displayProjections to the same map.</p></div></div></div>
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  26 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.Constructor"></a>Constructor</h3></div></div>
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  28 <div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.OpenLayers.Control.Permalink"></a>OpenLayers.<wbr>Control.<wbr>Permalink</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>element</td><td class=CDLDescription>{DOMElement}</td></tr><tr><td class=CDLEntry>base</td><td class=CDLDescription>{String}</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object} options to the control.</td></tr></table></div></div></div>
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  30 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.Functions"></a>Functions</h3></div></div>
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  32 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.destroy"></a>destroy</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote></div></div></div>
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  34 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.setMap"></a>setMap</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>setMap: function(</td><td class=PParameter nowrap>map</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Set the map property for the control.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>map</td><td class=CDLDescription>{<a href="../Map-js.html#OpenLayers.Map" class=LClass id=link9 onMouseOver="ShowTip(event, 'tt8', 'link9')" onMouseOut="HideTip('tt8')">OpenLayers.Map</a>}</td></tr></table></div></div></div>
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  36 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.draw"></a>draw</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>draw: function()</td></tr></table></blockquote><h4 class=CHeading>Returns</h4><p>{DOMElement}</p></div></div></div>
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  38 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.updateLink"></a>updateLink</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateLink: function()</td></tr></table></blockquote></div></div></div>
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  40 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Control.Permalink.createParams"></a>createParams</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>createParams: function(</td><td class=PParameter nowrap>center,</td></tr><tr><td></td><td class=PParameter nowrap>zoom,</td></tr><tr><td></td><td class=PParameter nowrap>layers</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the parameters that need to be encoded into the permalink url.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>center</td><td class=CDLDescription>{<a href="../BaseTypes/LonLat-js.html#OpenLayers.LonLat" class=LClass id=link10 onMouseOver="ShowTip(event, 'tt9', 'link10')" onMouseOut="HideTip('tt9')">OpenLayers.LonLat</a>} center to encode in the permalink.&nbsp; Defaults to the current map center.</td></tr><tr><td class=CDLEntry>zoom</td><td class=CDLDescription>{Integer} zoom level to encode in the permalink.&nbsp; Defaults to the current map zoom level.</td></tr><tr><td class=CDLEntry>layers</td><td class=CDLDescription>{Array(<a href="../Layer-js.html#OpenLayers.Layer" class=LClass >OpenLayers.Layer</a>)} layers to encode in the permalink.&nbsp; Defaults to the current map layers.</td></tr></table><h4 class=CHeading>Returns</h4><p>{Object} Hash of parameters that will be url-encoded into the permalink.</p></div></div></div>
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  52
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  55 <!--START_ND_TOOLTIPS-->
  56 <div class=CToolTip id="tt1"><div class=CClass>Class for coordinate transforms between coordinate systems. </div></div><div class=CToolTip id="tt2"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>destroy: function()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt3"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>setMap: function(</td><td class=PParameter nowrap>map</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Set the map property for the control.</div></div><div class=CToolTip id="tt4"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>draw: function()</td></tr></table></blockquote>{DOMElement}</div></div><div class=CToolTip id="tt5"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td>updateLink: function()</td></tr></table></blockquote></div></div><div class=CToolTip id="tt6"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>createParams: function(</td><td class=PParameter nowrap>center,</td></tr><tr><td></td><td class=PParameter nowrap>zoom,</td></tr><tr><td></td><td class=PParameter nowrap>layers</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the parameters that need to be encoded into the permalink url.</div></div><div class=CToolTip id="tt7"><div class=CClass>Controls affect the display or behavior of the map. </div></div><div class=CToolTip id="tt8"><div class=CClass>Instances of OpenLayers.Map are interactive maps embedded in a web page. </div></div><div class=CToolTip id="tt9"><div class=CClass>This class represents a longitude and latitude pair</div></div><!--END_ND_TOOLTIPS-->
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