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leinfelder
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<!doctype html public "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd">
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<html>
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<head>
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<title>
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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
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</title>
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<link rel ="stylesheet" type="text/css" href="stylesheet.css" title="Style">
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parent.document.title="MapPaneOL.js Overview";
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<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-summary.html"><font class="NavBarFont1"><b>Overview</b></font></a> </td>
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<em>
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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<script>
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<!--
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if(window==top) {
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document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
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//-->
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<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
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<hr>
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<center>
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<h2>MapPaneOL.js</h2>
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</center>
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<h4>Summary</h4>
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<p>
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No overview generated for 'MapPaneOL.js'<BR/><BR/>
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</p>
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<hr>
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<tr bgcolor="#CCCCFF" class="TableHeadingColor">
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<td colspan=2><font size="+2">
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<b>Class Summary</b>
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</font></td>
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</tr>
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<tr bgcolor="white" class="TableRowColor">
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<td width="15%"><b><a href="MapPaneOL.html">MapPaneOL</a></b></td>
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<td> </td>
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</tr>
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</table>
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<hr/>
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<!-- ========== METHOD SUMMARY =========== -->
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<a name="method_summary"><!-- --></a>
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<table border="1" cellpadding="3" cellspacing="0" width="100%">
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<tr bgcolor="#CCCCFF" class="TableHeadingColor">
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<td colspan=2>
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<font size="+2">
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<b>Method Summary</b>
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</font>
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</td>
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</tr>
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<tr bgcolor="white" class="TableRowColor">
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<td align="right" valign="top" width="1%">
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<font size="-1">
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<code>static Object</code>
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</font>
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</td>
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<td>
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<code>
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<b>
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<a href="GLOBALS.html#imageLoaded">imageLoaded</a></b>()
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</code>
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<br>
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</td>
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</tr>
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</table>
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<p>
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<!-- ========== END METHOD SUMMARY =========== -->
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<pre class="sourceview"><span class="comment">/*
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Author: Cameron Shorter cameronAtshorter.net
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: MapPaneOL.js 3935 2008-03-25 13:58:02Z ahocevar $
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*/</span>
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<span class="comment">
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// Ensure this object's dependancies are loaded.</span>
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loadCss(<span class="literal">"openlayers/style.css"</span>);
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mapbuilder.loadScript(baseDir+<span class="literal">"/util/openlayers/OpenLayers.js"</span>);
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mapbuilder.loadScript(baseDir+<span class="literal">"/util/Util.js"</span>);
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mapbuilder.loadScript(baseDir+<span class="literal">"/widget/WidgetBase.js"</span>);
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mapbuilder.loadScript(baseDir+<span class="literal">"/tool/Extent.js"</span>);
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<span class="comment">/**
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* Widget to render a map from an OGC context document. The layers are
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* rendered using http://openlayers.org .
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> WidgetBase
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* <span class="attrib">@param</span> widgetNode The widget's XML object node from the configuration document.
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* <span class="attrib">@param</span> model The model object that this widget belongs to.
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*/</span>
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<span class="reserved">function</span> MapPaneOL(widgetNode, model) {
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WidgetBase.apply(<span class="reserved">this</span>,new Array(widgetNode, model));
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OpenLayers.ImgPath = config.skinDir + <span class="literal">'/images/openlayers/'</span>;
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OpenLayers.ProxyHost = config.proxyUrl+<span class="literal">"/?url="</span>;
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<span class="comment">
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// replacement for deprecated MapContainerBase</span>
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<span class="reserved">this</span>.containerNodeId = <span class="reserved">this</span>.htmlTagId;
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model.containerModel = <span class="reserved">this</span>.model;
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<span class="comment">
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//Make sure the Extent is attached to the context and initialized</span>
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<span class="reserved">if</span>(!<span class="reserved">this</span>.model.extent){
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<span class="reserved">this</span>.model.extent = new Extent (<span class="reserved">this</span>.model);
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<span class="reserved">this</span>.model.addFirstListener( <span class="literal">"loadModel"</span>, <span class="reserved">this</span>.model.extent.firstInit, <span class="reserved">this</span>.model.extent );
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}
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<span class="comment">/**
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* For tiled wms layers: Overlap of map tiles in pixels. Useful for
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* preventing rendering artefacts at tile edges. Recommended values:
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* 0-15, default is 0 (no gutter at all).
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*/</span>
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<span class="reserved">this</span>.tileGutter = <span class="reserved">this</span>.getProperty(<span class="literal">"mb:tileGutter"</span>, 0);
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<span class="comment">/**
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* For tiled wms layers: how many rows of tiles should be preloaded
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* outside the visible map? Large values mean slow loading, small
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* ones mean longer delays when panning. Recommended values: 1-3,
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* default is 2.
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*/</span>
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<span class="reserved">this</span>.tileBuffer = parseInt(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:tileBuffer"</span>, 2));
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<span class="comment">/**
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* For WMS layers: should they be regarded as normal WMS layers,
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* with a single tile for the entire boundingbox or as a tiled
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* WMS layer
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*/</span>
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<span class="reserved">this</span>.singleTile = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:singleTile"</span>, true));
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<span class="comment">/**
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* For tiled wms layers: how many pixels should the size of one tile
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* be? Default is 256.
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*/</span>
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<span class="reserved">this</span>.tileSize = parseInt(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:tileSize"</span>, 256));
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<span class="comment">/**
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* For WMS on top of Google Maps you need to reproject the WMS image. This will stretch
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* the WMS images to fit the odd sized google tiles. Default is false
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*/</span>
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<span class="reserved">this</span>.imageReproject = Mapbuilder.parseBoolean(
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<span class="reserved">this</span>.getProperty(<span class="literal">"mb:imageReproject"</span>, false));
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<span class="comment">/**
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* for untiled wms layers: how many times should the map image be
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* larger than the visible map. Large values mean slow loading, small
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* ones mean many reloads when panning. Recommended values: 1-3,
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* default is 2.
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*/</span>
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<span class="reserved">this</span>.imageBuffer = parseInt(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:imageBuffer"</span>, 2));
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<span class="comment">/**
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* Should layers also be rendered outside the map extent? Default is false.
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*/</span>
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<span class="reserved">this</span>.displayOutsideMaxExtent = Mapbuilder.parseBoolean(
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<span class="reserved">this</span>.getProperty(<span class="literal">"mb:displayOutsideMaxExtent"</span>, false));
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<span class="comment">/**
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* Number of layers that are currently being loaded
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*/</span>
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<span class="reserved">this</span>.loadingLayers = 0;
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<span class="comment">/**
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* Called after a feature has been added to a WFS. This function triggers
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* the WMS basemaps to be redrawn. A timestamp param is added to the URL
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* to ensure the basemap image is not cached.
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* This function is triggered by the refreshWmsLayers event. If this event
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* is fired with a <layerId> as param, only that layer will be refreshed.
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* <span class="attrib">@param</span> objRef reference to this widget
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*/</span>
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<span class="reserved">this</span>.refreshWmsLayers = <span class="reserved">function</span>(objRef) {
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var layerId = objRef.model.getParam(<span class="literal">"refreshWmsLayers"</span>);
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var uniqueId = (new Date()).getTime();
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var layers = layerId ?
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[objRef.getLayer(objRef, layerId)] :
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objRef.model.map.layers;
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<span class="reserved">for</span> (var i in layers) {
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<span class="reserved">if</span> (layers[i].CLASS_NAME.indexOf(<span class="literal">'OpenLayers.Layer.WMS'</span>) == 0) {
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layers[i].mergeNewParams({uniqueId: uniqueId});
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}
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}
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}
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<span class="reserved">this</span>.model.addListener(<span class="literal">"refreshWmsLayers"</span>,<span class="reserved">this</span>.refreshWmsLayers,<span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"refresh"</span>,<span class="reserved">this</span>.paint, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addFirstListener(<span class="literal">"newModel"</span>, <span class="reserved">this</span>.clear, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"hidden"</span>,<span class="reserved">this</span>.hidden, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"addLayer"</span>,<span class="reserved">this</span>.addLayer, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"deleteLayer"</span>,<span class="reserved">this</span>.deleteLayer, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"moveLayerUp"</span>,<span class="reserved">this</span>.moveLayerUp, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"moveLayerDown"</span>,<span class="reserved">this</span>.moveLayerDown, <span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"opacity"</span>,<span class="reserved">this</span>.setOpacity,<span class="reserved">this</span>);
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<span class="reserved">this</span>.model.addListener(<span class="literal">"bbox"</span>, <span class="reserved">this</span>.zoomToBbox, <span class="reserved">this</span>);
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<span class="comment"> //this.model.addListener( "zoomOut", this.zoomOut, this );</span>
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<span class="comment"> //this.model.addListener( "zoomIn", this.zoomIn, this );</span>
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<span class="comment"> // this.model.addListener( "zoomToMaxExtent", this.zoomToMaxExtent, this );</span>
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<span class="comment"> //this.model.addFirstListener("loadModel",this.paint,this);</span>
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}
|
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|
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<span class="comment">/**
|
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* Render the widget.
|
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* <span class="attrib">@param</span> objRef Pointer to widget object.
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*/</span>
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MapPaneOL.<span class="reserved">prototype</span>.paint = <span class="reserved">function</span>(objRef, refresh) {
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<span class="comment">
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// Create an OpenLayers map</span>
|
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<span class="comment">
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//Test if context exist</span>
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<span class="reserved">if</span>(objRef.model.doc.selectSingleNode(<span class="literal">"//wmc:OWSContext"</span>))
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objRef.context=<span class="literal">"OWS"</span>;
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<span class="reserved">else</span> <span class="reserved">if</span>(objRef.model.doc.selectSingleNode(<span class="literal">"//wmc:ViewContext"</span>))
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objRef.context=<span class="literal">"View"</span>;
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<span class="reserved">else</span>
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alert(mbGetMessage(<span class="literal">"noContextDefined"</span>));
|
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var proj=objRef.model.proj;
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<span class="comment">
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//maxExtent</span>
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var maxExtent=null;
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maxExtent=objRef.getProperty(<span class="literal">"mb:maxExtent"</span>);
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maxExtent=(maxExtent)?maxExtent.split(<span class="literal">" "</span>):null;
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<span class="comment"> // If the maxExtentis not specified in the config</span>
|
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<span class="comment"> // calculate it from the BBox in the Context.</span>
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<span class="reserved">if</span>(!maxExtent){
|
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maxExtent=objRef.model.getBoundingBox();
|
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}
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maxExtent=(maxExtent)?new OpenLayers.Bounds(maxExtent[0],maxExtent[1],maxExtent[2],maxExtent[3]):null;
|
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|
|
<span class="reserved">if</span>(maxExtent==null)alert(mbGetMessage(<span class="literal">"noBboxInContext"</span>));
|
302 |
|
|
<span class="comment">
|
303 |
|
|
//maxResolution</span>
|
304 |
|
|
var maxResolution=null;
|
305 |
|
|
maxResolution=objRef.getProperty(<span class="literal">"mb:maxResolution"</span>);
|
306 |
|
|
maxResolution=(maxResolution) ? parseFloat(maxResolution) : <span class="literal">"auto"</span>;
|
307 |
|
|
<span class="comment">
|
308 |
|
|
//minResolution</span>
|
309 |
|
|
var minResolution=null;
|
310 |
|
|
minResolution=objRef.getProperty(<span class="literal">"mb:minResolution"</span>);
|
311 |
|
|
minResolution=(minResolution) ? parseFloat(minResolution) : undefined;
|
312 |
|
|
<span class="comment">
|
313 |
|
|
//transitionEffect</span>
|
314 |
|
|
objRef.transitionEffect = objRef.getProperty(<span class="literal">"mb:transitionEffect"</span>, undefined);
|
315 |
|
|
<span class="comment">
|
316 |
|
|
//units</span>
|
317 |
|
|
var units = proj.getUnits() == <span class="literal">'meters'</span> ? <span class="literal">'m'</span> : proj.getUnits();
|
318 |
|
|
<span class="comment">
|
319 |
|
|
//resolutions</span>
|
320 |
|
|
<span class="comment"> //TBD: if resolutions is both set here and for the baselayer and they are different weird things may happen</span>
|
321 |
|
|
<span class="comment"> // this needs to be solved</span>
|
322 |
|
|
var resolutions=objRef.getProperty(<span class="literal">"mb:resolutions"</span>);
|
323 |
|
|
resolutions = resolutions ? resolutions.split(<span class="literal">","</span>) : null;
|
324 |
|
|
<span class="reserved">if</span> (resolutions) {
|
325 |
|
|
<span class="reserved">for</span> (var r=0; r<resolutions.length; r++) {
|
326 |
|
|
resolutions[r] = parseFloat(resolutions[r]);
|
327 |
|
|
}
|
328 |
|
|
}
|
329 |
|
|
<span class="comment">
|
330 |
|
|
//fixed scales - overrides resolutions</span>
|
331 |
|
|
var scales = objRef.getProperty(<span class="literal">"mb:scales"</span>);
|
332 |
|
|
<span class="reserved">if</span>(scales){
|
333 |
|
|
scales = scales.split(<span class="literal">","</span>);
|
334 |
|
|
resolutions = new Array();
|
335 |
|
|
<span class="reserved">for</span> (var s=0; s<scales.length; s++) {
|
336 |
|
|
resolutions.push(OpenLayers.Util.getResolutionFromScale(scales[s], units));
|
337 |
|
|
}
|
338 |
|
|
}
|
339 |
|
|
<span class="reserved">if</span>(resolutions){
|
340 |
|
|
objRef.model.extent.setZoomLevels(true,resolutions);
|
341 |
|
|
}
|
342 |
|
|
<span class="reserved">else</span> objRef.model.extent.setZoomLevels(false);
|
343 |
|
|
<span class="comment">
|
344 |
|
|
//get the output DIV and set it to context-size</span>
|
345 |
|
|
var node = document.getElementById(objRef.containerNodeId);
|
346 |
|
|
var fixedSize = Mapbuilder.parseBoolean(objRef.getProperty(<span class="literal">"mb:fixedSize"</span>, false));
|
347 |
|
|
<span class="reserved">if</span>(fixedSize){
|
348 |
|
|
node.style.width = objRef.model.getWindowWidth()+<span class="literal">"px"</span>;
|
349 |
|
|
node.style.height = objRef.model.getWindowHeight()+<span class="literal">"px"</span>;
|
350 |
|
|
}
|
351 |
|
|
<span class="comment">
|
352 |
|
|
//default map options</span>
|
353 |
|
|
var mapOptions = {
|
354 |
|
|
controls:[],
|
355 |
|
|
projection: proj,
|
356 |
|
|
units: units,
|
357 |
|
|
fractionalZoom: true,
|
358 |
|
|
maxExtent: maxExtent,
|
359 |
|
|
maxResolution: maxResolution,
|
360 |
|
|
minResolution: minResolution,
|
361 |
|
|
resolutions: resolutions,
|
362 |
|
|
theme: null, // we have the theme loaded by Mapbuilder
|
363 |
|
|
destroy: <span class="reserved">function</span>(destroy){
|
364 |
|
|
<span class="reserved">if</span> (destroy != true) {
|
365 |
|
|
<span class="reserved">this</span>.mbMapPane.model.setParam(<span class="literal">"newModel"</span>, true);
|
366 |
|
|
} <span class="reserved">else</span> {
|
367 |
|
|
<span class="reserved">this</span>.mbMapPane = null;
|
368 |
|
|
<span class="reserved">this</span>.mbCursor = null;
|
369 |
|
|
OpenLayers.Map.<span class="reserved">prototype</span>.destroy.apply(<span class="reserved">this</span>, arguments);
|
370 |
|
|
<span class="reserved">this</span>.layerContainerDiv = null;
|
371 |
|
|
<span class="reserved">this</span>.baseLayer = null;
|
372 |
|
|
}}
|
373 |
|
|
};
|
374 |
|
|
|
375 |
|
|
<span class="reserved">if</span> (!objRef.model.map) {
|
376 |
|
|
objRef.model.map = new OpenLayers.Map(node, mapOptions);
|
377 |
|
|
<span class="comment">
|
378 |
|
|
// Increase hight of Control layers to allow for lots of layers.</span>
|
379 |
|
|
objRef.model.map.Z_INDEX_BASE.Control=10000;
|
380 |
|
|
var baseLayer = null;
|
381 |
|
|
<span class="comment">
|
382 |
|
|
//If we have an OWSContext and we have a BaseLayer we need to use this layer</span>
|
383 |
|
|
<span class="comment"> //for more information have a look at http://docs.codehaus.org/display/MAP/Using+Google-layers</span>
|
384 |
|
|
<span class="reserved">if</span>(objRef.context==<span class="literal">"OWS"</span>&&objRef.model.getBaseLayer()){
|
385 |
|
|
var baseLayerNode = objRef.model.getBaseLayer();
|
386 |
|
|
<span class="comment">
|
387 |
|
|
//overrule the SRS in the Context with the one from the BaseLayer</span>
|
388 |
|
|
var baseSrs = baseLayerNode.selectSingleNode(<span class="literal">"ows:TileSet/ows:SRS"</span>);
|
389 |
|
|
<span class="reserved">if</span>(baseSrs) objRef.model.setSRS(getNodeValue(baseSrs));
|
390 |
|
|
<span class="comment"> //overrule the units in the Context with the updated SRS units</span>
|
391 |
|
|
units = proj.getUnits() == <span class="literal">'meters'</span> ? <span class="literal">'m'</span> : proj.getUnits();
|
392 |
|
|
<span class="comment"> //overrule the boundingbox in the Context with the maxExtent from the BaseLayer</span>
|
393 |
|
|
var maxExtentNode = baseLayerNode.selectSingleNode(<span class="literal">"ows:TileSet/ows:BoundingBox"</span>);
|
394 |
|
|
<span class="reserved">if</span>(maxExtentNode) maxExtent = new OpenLayers.Bounds(maxExtentNode.selectSingleNode(<span class="literal">'@minx'</span>).nodeValue,maxExtentNode.selectSingleNode(<span class="literal">'@miny'</span>).nodeValue,maxExtentNode.selectSingleNode(<span class="literal">'@maxx'</span>).nodeValue,maxExtentNode.selectSingleNode(<span class="literal">'@maxy'</span>).nodeValue);
|
395 |
|
|
<span class="comment"> //overrule resolutions in the Context with the one from BaseLayer</span>
|
396 |
|
|
<span class="comment"> //<span class="attrib">@TODO</span>: check if the firstChild is really needed</span>
|
397 |
|
|
var resolutions =baseLayerNode.selectSingleNode(<span class="literal">"ows:TileSet/ows:Resolutions"</span>);
|
398 |
|
|
resolutions = resolutions ? getNodeValue(resolutions).split(<span class="literal">","</span>) : null;
|
399 |
|
|
<span class="reserved">if</span> (resolutions) {
|
400 |
|
|
<span class="reserved">for</span> (var r=0; r<resolutions.length; r++) {
|
401 |
|
|
resolutions[r] = parseFloat(resolutions[r]);
|
402 |
|
|
}
|
403 |
|
|
}
|
404 |
|
|
<span class="comment"> //overrule tileSize in the Context with the one from the BaseLayer</span>
|
405 |
|
|
<span class="comment"> //right now we only support square tiles which are defined by their width: </span>
|
406 |
|
|
var tileSize =baseLayerNode.selectSingleNode(<span class="literal">"ows:TileSet/ows:Width"</span>);
|
407 |
|
|
<span class="reserved">if</span>(tileSize) objRef.tileSize = parseInt(tileSize.nodeValue);
|
408 |
|
|
<span class="comment"> //check if there's a format defined for the BaseLayer</span>
|
409 |
|
|
var format = baseLayerNode.selectSingleNode(<span class="literal">"ows:TileSet/ows:Format"</span>);
|
410 |
|
|
<span class="reserved">if</span>(format) format = format.nodeValue;
|
411 |
|
|
<span class="comment">
|
412 |
|
|
//Initialising the baseLayer</span>
|
413 |
|
|
<span class="comment"> // Test service of the baseLayer</span>
|
414 |
|
|
var service=baseLayerNode.selectSingleNode(<span class="literal">"wmc:Server/@service"</span>);
|
415 |
|
|
service=(service)?service.nodeValue:<span class="literal">""</span>;
|
416 |
|
|
<span class="comment"> // Test title of the baseLayer</span>
|
417 |
|
|
var title=Mapbuilder.getProperty(baseLayerNode, <span class="literal">"wmc:Title"</span>, <span class="literal">""</span>);
|
418 |
|
|
<span class="comment"> // Get the name of the baseLayer</span>
|
419 |
|
|
var baseLayerName = Mapbuilder.getProperty(baseLayerNode, <span class="literal">"wmc:Name"</span>, <span class="literal">""</span>);
|
420 |
|
|
<span class="comment"> // get the layer-type of the BaseLayer (this allows specifying if is is a arial,road or hybrid map)</span>
|
421 |
|
|
var baseLayerType = Mapbuilder.getProperty(baseLayerNode, <span class="literal">"ows:TileSet/ows:Layers"</span>, <span class="literal">"hybrid"</span>);
|
422 |
|
|
<span class="comment"> // it might be that the baseLayer is a WMS so we need to fetch the url</span>
|
423 |
|
|
var href=Mapbuilder.getProperty(baseLayerNode, <span class="literal">"wmc:Server/wmc:OnlineResource/@xlink:href"</span>, <span class="literal">""</span>);
|
424 |
|
|
|
425 |
|
|
var baseLayerOptions = {
|
426 |
|
|
units: units,
|
427 |
|
|
projection: proj,
|
428 |
|
|
maxExtent: maxExtent,
|
429 |
|
|
|
430 |
|
|
alpha: false, //option <span class="reserved">for</span> png transparency with ie6
|
431 |
|
|
isBaseLayer: true,
|
432 |
|
|
displayOutsideMaxExtent: objRef.displayOutsideMaxExtent,
|
433 |
|
|
ratio: 1
|
434 |
|
|
|
435 |
|
|
};
|
436 |
|
|
|
437 |
|
|
switch(service){
|
438 |
|
|
<span class="comment"> // WMS Layer (Untiled)</span>
|
439 |
|
|
case <span class="literal">"OGC"</span>:
|
440 |
|
|
case <span class="literal">"WMS"</span>:
|
441 |
|
|
case <span class="literal">"wms"</span>:
|
442 |
|
|
case <span class="literal">"OGC:WMS"</span>:
|
443 |
|
|
|
444 |
|
|
baseLayerOptions.ratio = objRef.imageBuffer;
|
445 |
|
|
|
446 |
|
|
var params = new Array();
|
447 |
|
|
|
448 |
|
|
|
449 |
|
|
baseLayer= new OpenLayers.Layer.WMS(title,href,{
|
450 |
|
|
layers: baseLayerName,
|
451 |
|
|
format: format
|
452 |
|
|
},
|
453 |
|
|
baseLayerOptions
|
454 |
|
|
);
|
455 |
|
|
break;
|
456 |
|
|
<span class="comment">
|
457 |
|
|
// WMS-C Layer (Tiled)</span>
|
458 |
|
|
case <span class="literal">"WMS-C"</span>:
|
459 |
|
|
case <span class="literal">"OGC:WMS-C"</span>:
|
460 |
|
|
baseLayerOptions.gutter = objRef.tileGutter;
|
461 |
|
|
baseLayerOptions.buffer = objRef.tileBuffer;
|
462 |
|
|
baseLayerOptions.tileSize = new OpenLayers.Size(objRef.tileSize, objRef.tileSize);
|
463 |
|
|
|
464 |
|
|
baseLayer= new OpenLayers.Layer.WMS(title,href,{
|
465 |
|
|
layers: baseLayerName,
|
466 |
|
|
format: format
|
467 |
|
|
},
|
468 |
|
|
baseLayerOptions
|
469 |
|
|
);
|
470 |
|
|
objRef.model.map.fractionalZoom = false;
|
471 |
|
|
break;
|
472 |
|
|
|
473 |
|
|
case <span class="literal">"GMAP"</span>:
|
474 |
|
|
case <span class="literal">"Google"</span>:
|
475 |
|
|
<span class="reserved">if</span>(maxExtent) baseLayerOptions.maxExtent=maxExtent;
|
476 |
|
|
<span class="comment"> //check if we have spherical projection</span>
|
477 |
|
|
var sphericalMercator = (objRef.model.getSRS()==<span class="literal">'EPSG:900913'</span>)?true:false;
|
478 |
|
|
<span class="comment"> //check if we have a layertype</span>
|
479 |
|
|
switch(baseLayerType){
|
480 |
|
|
case <span class="literal">"aerial"</span>:
|
481 |
|
|
case <span class="literal">"satellite"</span>:
|
482 |
|
|
baseLayerType=G_SATELLITE_MAP;
|
483 |
|
|
break;
|
484 |
|
|
case <span class="literal">"road"</span>:
|
485 |
|
|
case <span class="literal">"normal"</span>:
|
486 |
|
|
baseLayerType=G_NORMAL_MAP;
|
487 |
|
|
break;
|
488 |
|
|
default:
|
489 |
|
|
baseLayerType=G_HYBRID_MAP;
|
490 |
|
|
}
|
491 |
|
|
baseLayer = new OpenLayers.Layer.Google( baseLayerName , {type: baseLayerType, minZoomLevel: 0, maxZoomLevel:19, sphericalMercator: sphericalMercator, maxResolution: 156543.0339 }, baseLayerOptions );
|
492 |
|
|
objRef.model.map.numZoomLevels = 20;
|
493 |
|
|
objRef.model.map.fractionalZoom = false;
|
494 |
|
|
break;
|
495 |
|
|
|
496 |
|
|
case <span class="literal">"YMAP"</span>:
|
497 |
|
|
case <span class="literal">"Yahoo"</span>:
|
498 |
|
|
<span class="comment"> //Yahoo-layer doesn't support layerTypes</span>
|
499 |
|
|
<span class="reserved">if</span>(maxExtent) baseLayerOptions.maxExtent=maxExtent;
|
500 |
|
|
<span class="comment"> //check if we have spherical projection</span>
|
501 |
|
|
var sphericalMercator = (objRef.model.getSRS()==<span class="literal">'EPSG:900913'</span>)?true:false;
|
502 |
|
|
baseLayer = new OpenLayers.Layer.Yahoo( baseLayerName , { maxZoomLevel:21, sphericalMercator: sphericalMercator }, baseLayerOptions );
|
503 |
|
|
objRef.model.map.fractionalZoom = false;
|
504 |
|
|
break;
|
505 |
|
|
|
506 |
|
|
case <span class="literal">"VE"</span>:
|
507 |
|
|
case <span class="literal">"Microsoft"</span>:
|
508 |
|
|
<span class="reserved">if</span>(maxExtent) baseLayerOptions.maxExtent=maxExtent;
|
509 |
|
|
<span class="comment"> //check if we have spherical projection</span>
|
510 |
|
|
var sphericalMercator = (objRef.model.getSRS()==<span class="literal">'EPSG:900913'</span>)?true:false;
|
511 |
|
|
<span class="comment"> //check if we have a layertype</span>
|
512 |
|
|
switch(baseLayerType){
|
513 |
|
|
case <span class="literal">"aerial"</span>:
|
514 |
|
|
case <span class="literal">"satellite"</span>:
|
515 |
|
|
baseLayerType=VEMapStyle.Aerial;
|
516 |
|
|
break;
|
517 |
|
|
case <span class="literal">"road"</span>:
|
518 |
|
|
case <span class="literal">"normal"</span>:
|
519 |
|
|
baseLayerType=VEMapStyle.Road;
|
520 |
|
|
break;
|
521 |
|
|
default:
|
522 |
|
|
baseLayerType=VEMapStyle.Hybrid;
|
523 |
|
|
}
|
524 |
|
|
baseLayer = new OpenLayers.Layer.VirtualEarth( baseLayerName,{minZoomLevel: 0, maxZoomLevel: 21,type: baseLayerType});
|
525 |
|
|
objRef.model.map.fractionalZoom = false;
|
526 |
|
|
break;
|
527 |
|
|
|
528 |
|
|
case <span class="literal">"MultiMap"</span>:
|
529 |
|
|
<span class="reserved">if</span>(maxExtent) baseLayerOptions.maxExtent=maxExtent;
|
530 |
|
|
<span class="comment"> //check if we have spherical projection</span>
|
531 |
|
|
var sphericalMercator = (objRef.model.getSRS()==<span class="literal">'EPSG:900913'</span>)?true:false;
|
532 |
|
|
baseLayer = new OpenLayers.Layer.MultiMap( baseLayerName , { maxZoomLevel:21, sphericalMercator: sphericalMercator }, baseLayerOptions );
|
533 |
|
|
objRef.model.map.fractionalZoom = false;
|
534 |
|
|
break;
|
535 |
|
|
default:
|
536 |
|
|
alert(mbGetMessage(<span class="literal">"layerTypeNotSupported"</span>, service));
|
537 |
|
|
}
|
538 |
|
|
}
|
539 |
|
|
<span class="comment"> //Otherwise we will just use a bogus WMS layer as BaseLayer</span>
|
540 |
|
|
<span class="reserved">else</span> {
|
541 |
|
|
var baseLayerOptions = {
|
542 |
|
|
units: units,
|
543 |
|
|
projection: proj.srsCode,
|
544 |
|
|
maxExtent: maxExtent,
|
545 |
|
|
maxResolution: maxResolution, //<span class="literal">"auto"</span> <span class="reserved">if</span> not defined in the context
|
546 |
|
|
minResolution: minResolution,
|
547 |
|
|
resolutions: resolutions,
|
548 |
|
|
alpha: false, //option <span class="reserved">for</span> png transparency with ie6
|
549 |
|
|
isBaseLayer: true,
|
550 |
|
|
displayOutsideMaxExtent: objRef.displayOutsideMaxExtent,
|
551 |
|
|
ratio: 1,
|
552 |
|
|
singleTile: true,
|
553 |
|
|
transitionEffect: objRef.transitionEffect,
|
554 |
|
|
visibility: false,
|
555 |
|
|
moveTo: <span class="reserved">function</span>(){<span class="reserved">return</span> true}
|
556 |
|
|
};
|
557 |
|
|
baseLayer = new OpenLayers.Layer.WMS(<span class="literal">"baselayer"</span>,
|
558 |
|
|
config.skinDir+<span class="literal">"/images/openlayers/blank.gif"</span>, null, baseLayerOptions);
|
559 |
|
|
|
560 |
|
|
}
|
561 |
|
|
objRef.model.map.addLayer(baseLayer);
|
562 |
|
|
}
|
563 |
|
|
<span class="reserved">else</span> {
|
564 |
|
|
objRef.deleteAllLayers(objRef);
|
565 |
|
|
}
|
566 |
|
|
|
567 |
|
|
var layers = objRef.model.getAllLayers();
|
568 |
|
|
<span class="reserved">if</span> (!objRef.oLlayers){
|
569 |
|
|
objRef.oLlayers = {};
|
570 |
|
|
}
|
571 |
|
|
|
572 |
|
|
<span class="reserved">for</span> (var i=0;i<=layers.length-1;i++){
|
573 |
|
|
objRef.addLayer(objRef,layers[i]);
|
574 |
|
|
}
|
575 |
|
|
var bbox=objRef.model.getBoundingBox();
|
576 |
|
|
<span class="comment">
|
577 |
|
|
// set objRef as attribute of the OL map, so we have a reference</span>
|
578 |
|
|
<span class="comment"> // to MapPaneOL available when handling OpenLayers events.</span>
|
579 |
|
|
objRef.model.map.mbMapPane = objRef;
|
580 |
|
|
<span class="comment">
|
581 |
|
|
// register OpenLayers event to keep the context updated</span>
|
582 |
|
|
objRef.model.map.events.register(<span class="literal">'moveend'</span>, objRef.model.map, objRef.updateContext);
|
583 |
|
|
<span class="comment"> // register OpenLayers event to do updates onmouseup</span>
|
584 |
|
|
objRef.model.map.events.register(<span class="literal">'mouseup'</span>, objRef.model.map, objRef.updateMouse);
|
585 |
|
|
|
586 |
|
|
objRef.model.callListeners(<span class="literal">"bbox"</span>);
|
587 |
|
|
|
588 |
|
|
}
|
589 |
|
|
|
590 |
|
|
<span class="comment">/**
|
591 |
|
|
* remove OpenLayers events and layers
|
592 |
|
|
* <span class="attrib">@param</span> objRef reference to this widget
|
593 |
|
|
*/</span>
|
594 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.clear = <span class="reserved">function</span>(objRef) {
|
595 |
|
|
<span class="reserved">if</span> (objRef.model.map) {
|
596 |
|
|
OpenLayers.Event.stopObservingElement(window);
|
597 |
|
|
objRef.model.map.destroy(true);
|
598 |
|
|
objRef.model.map = null;
|
599 |
|
|
objRef.oLlayers = {};
|
600 |
|
|
}
|
601 |
|
|
}
|
602 |
|
|
|
603 |
|
|
<span class="comment">/**
|
604 |
|
|
* Event handler to keep the modelStatus updated when an OpenLayers layer
|
605 |
|
|
* starts loading.
|
606 |
|
|
* <span class="attrib">@param</span> e OpenLayers event
|
607 |
|
|
*/</span>
|
608 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.increaseLoadingLayers = <span class="reserved">function</span>(e) {
|
609 |
|
|
++<span class="reserved">this</span>.loadingLayers;
|
610 |
|
|
var message = mbGetMessage((<span class="reserved">this</span>.loadingLayers>1) ? <span class="literal">"loadingLayers"</span> : <span class="literal">"loadingLayer"</span>,
|
611 |
|
|
<span class="reserved">this</span>.loadingLayers);
|
612 |
|
|
<span class="reserved">this</span>.model.setParam(<span class="literal">"modelStatus"</span>, message);
|
613 |
|
|
}
|
614 |
|
|
|
615 |
|
|
<span class="comment">/**
|
616 |
|
|
* Event handler to keep the modelStatus updated when an OpenLayers layer
|
617 |
|
|
* finished loading.
|
618 |
|
|
* <span class="attrib">@param</span> e OpenLayers event
|
619 |
|
|
*/</span>
|
620 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.decreaseLoadingLayers = <span class="reserved">function</span>(e) {
|
621 |
|
|
--<span class="reserved">this</span>.loadingLayers;
|
622 |
|
|
var message = <span class="reserved">this</span>.loadingLayers > 0 ?
|
623 |
|
|
mbGetMessage((<span class="reserved">this</span>.loadingLayers>1) ? <span class="literal">"loadingLayers"</span> : <span class="literal">"loadingLayer"</span>,
|
624 |
|
|
<span class="reserved">this</span>.loadingLayers) :
|
625 |
|
|
null;
|
626 |
|
|
<span class="reserved">this</span>.model.setParam(<span class="literal">"modelStatus"</span>, message);
|
627 |
|
|
}
|
628 |
|
|
|
629 |
|
|
<span class="comment">/**
|
630 |
|
|
* Event handler to keep the Mapbuilder context updated. It also
|
631 |
|
|
* sets the map cursor to the previously stored value.
|
632 |
|
|
* This is called by OpenLayers.
|
633 |
|
|
* <span class="attrib">@param</span> e OpenLayers event
|
634 |
|
|
*/</span>
|
635 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.updateContext = <span class="reserved">function</span>(e) {
|
636 |
|
|
<span class="comment"> // get objRef from the event originator object (e.object),</span>
|
637 |
|
|
<span class="comment"> // where it was stored as mbPane property by paint().</span>
|
638 |
|
|
var objRef = e.object.mbMapPane;
|
639 |
|
|
|
640 |
|
|
var bboxOL = objRef.model.map.getExtent().toBBOX().split(<span class="literal">','</span>);
|
641 |
|
|
var ul = new Array(bboxOL[0],bboxOL[3]);
|
642 |
|
|
var lr = new Array(bboxOL[2],bboxOL[1]);
|
643 |
|
|
|
644 |
|
|
<span class="reserved">if</span>(objRef.model.getWindowWidth()!=e.element.offsetWidth)
|
645 |
|
|
objRef.model.setWindowWidth(e.element.offsetWidth);
|
646 |
|
|
<span class="reserved">if</span>(objRef.model.getWindowHeight()!=e.element.offsetHeight)
|
647 |
|
|
objRef.model.setWindowHeight(e.element.offsetHeight);
|
648 |
|
|
|
649 |
|
|
var currentAoi = objRef.model.getParam(<span class="literal">'aoi'</span>);
|
650 |
|
|
var newAoi = new Array(ul, lr);
|
651 |
|
|
<span class="reserved">if</span> (!currentAoi || currentAoi.toString() != newAoi.toString()) {
|
652 |
|
|
objRef.model.setBoundingBox( new Array(ul[0], lr[1], lr[0], ul[1]) );
|
653 |
|
|
objRef.model.extent.setSize(objRef.model.map.getResolution());
|
654 |
|
|
objRef.model.setParam(<span class="literal">"aoi"</span>, newAoi);
|
655 |
|
|
}
|
656 |
|
|
}
|
657 |
|
|
|
658 |
|
|
<span class="comment">/**
|
659 |
|
|
* Restore the map cursor stored by buttons. This has to be done
|
660 |
|
|
* in an OpenLayers mouseup event, because the mouseup event
|
661 |
|
|
* in OpenLayers resets the cursor to default.
|
662 |
|
|
* <span class="attrib">@param</span> e OpenLayers event
|
663 |
|
|
*/</span>
|
664 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.updateMouse = <span class="reserved">function</span>(e) {
|
665 |
|
|
<span class="comment"> // get objRef from the event originator object (e.object),</span>
|
666 |
|
|
<span class="comment"> // where it was stored as mbPane property by paint().</span>
|
667 |
|
|
var objRef = e.object.mbMapPane;
|
668 |
|
|
<span class="comment">
|
669 |
|
|
// update map pane cursor</span>
|
670 |
|
|
<span class="reserved">if</span> (objRef.model.map.mbCursor) {
|
671 |
|
|
objRef.model.map.div.style.cursor = objRef.model.map.mbCursor;
|
672 |
|
|
}
|
673 |
|
|
}
|
674 |
|
|
|
675 |
|
|
<span class="comment">/**
|
676 |
|
|
* Zoom to the current Bounding Box.
|
677 |
|
|
* <span class="attrib">@param</span> objRef reference to this widget
|
678 |
|
|
*/</span>
|
679 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.zoomToBbox = <span class="reserved">function</span>(objRef) {
|
680 |
|
|
<span class="reserved">if</span> (objRef.model.map) {
|
681 |
|
|
var bbox = objRef.model.getBoundingBox();
|
682 |
|
|
var displayBbox = [];
|
683 |
|
|
var extent = objRef.model.map.getExtent();
|
684 |
|
|
<span class="reserved">if</span> (extent) {
|
685 |
|
|
displayBbox = extent.toBBOX();
|
686 |
|
|
}
|
687 |
|
|
<span class="comment"> // only perform zoom operation if not already at bbox</span>
|
688 |
|
|
<span class="reserved">if</span> (bbox.toString() != displayBbox.toString()) {
|
689 |
|
|
objRef.model.map.zoomToExtent(new OpenLayers.Bounds(bbox[0],bbox[1],bbox[2],bbox[3]));
|
690 |
|
|
}
|
691 |
|
|
}
|
692 |
|
|
}
|
693 |
|
|
|
694 |
|
|
<span class="comment">/**
|
695 |
|
|
* Hide/unhide a layer. Called by Context when the hidden attribute changes.
|
696 |
|
|
* <span class="attrib">@param</span> objRef Pointer to widget object.
|
697 |
|
|
* <span class="attrib">@param</span> layerId Id of the layer to hide/unhide.
|
698 |
|
|
*/</span>
|
699 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.hidden = <span class="reserved">function</span>(objRef, layerId) {
|
700 |
|
|
var vis=objRef.model.getHidden(layerId);
|
701 |
|
|
<span class="reserved">if</span>(vis==<span class="literal">"1"</span>){ var hidden=false; }
|
702 |
|
|
<span class="reserved">else</span> {var hidden=true; }
|
703 |
|
|
var tmpLayer=objRef.getLayer(objRef,layerId)
|
704 |
|
|
<span class="reserved">if</span>(tmpLayer)tmpLayer.setVisibility(hidden);
|
705 |
|
|
}
|
706 |
|
|
|
707 |
|
|
<span class="comment">/**
|
708 |
|
|
* Returns OL layer node from LayerMgr
|
709 |
|
|
* <span class="attrib">@param</span> layerId The layer Id (or layerName)
|
710 |
|
|
*/</span>
|
711 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.getLayer = <span class="reserved">function</span>(objRef,layerId) {
|
712 |
|
|
<span class="comment">
|
713 |
|
|
// If layer cannot be found then layerId might actually be layerName</span>
|
714 |
|
|
<span class="comment"> // We then try to fetch the <span class="attrib">@id</span> of the layer from the model</span>
|
715 |
|
|
<span class="reserved">if</span> (!objRef.oLlayers[layerId]) {
|
716 |
|
|
layerId = objRef.model.getLayerIdByName(layerId) || layerId;
|
717 |
|
|
}
|
718 |
|
|
|
719 |
|
|
<span class="reserved">if</span>(objRef.oLlayers[layerId] && objRef.oLlayers[layerId].id) {
|
720 |
|
|
<span class="reserved">return</span> objRef.model.map.getLayer(objRef.oLlayers[layerId].id);
|
721 |
|
|
} <span class="reserved">else</span> {
|
722 |
|
|
<span class="reserved">return</span> false;
|
723 |
|
|
}
|
724 |
|
|
}
|
725 |
|
|
<span class="comment">
|
726 |
|
|
|
727 |
|
|
//####################################################</span>
|
728 |
|
|
<span class="comment">/**
|
729 |
|
|
* Removes a layer from the output
|
730 |
|
|
/**
|
731 |
|
|
* Removes a layer from the output
|
732 |
|
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
733 |
|
|
* <span class="attrib">@param</span> layerId the WMS name for the layer to be removed
|
734 |
|
|
*/</span>
|
735 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.deleteLayer = <span class="reserved">function</span>(objRef, layerId) {
|
736 |
|
|
<span class="reserved">if</span>(objRef.oLlayers[layerId])objRef.model.map.removeLayer(objRef.oLlayers[layerId]);
|
737 |
|
|
}
|
738 |
|
|
<span class="comment">/**
|
739 |
|
|
* Removes all layers from the output
|
740 |
|
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
741 |
|
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
742 |
|
|
*/</span>
|
743 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.deleteAllLayers = <span class="reserved">function</span>(objRef) {
|
744 |
|
|
<span class="reserved">for</span> (var i in objRef.oLlayers) {
|
745 |
|
|
var layer = objRef.oLlayers[i];
|
746 |
|
|
layer.destroy();
|
747 |
|
|
}
|
748 |
|
|
objRef.oLlayers = {};
|
749 |
|
|
}
|
750 |
|
|
<span class="comment">
|
751 |
|
|
//#############################################TDO</span>
|
752 |
|
|
<span class="comment">/**
|
753 |
|
|
* Moves a layer up in the stack of map layers
|
754 |
|
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
755 |
|
|
* <span class="attrib">@param</span> layerId the WMS name for the layer to be removed
|
756 |
|
|
*/</span>
|
757 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.moveLayerUp = <span class="reserved">function</span>(objRef, layerId) {
|
758 |
|
|
var map=objRef.model.map;
|
759 |
|
|
map.raiseLayer(map.getLayer(objRef.oLlayers[layerId].id), 1);
|
760 |
|
|
}
|
761 |
|
|
|
762 |
|
|
<span class="comment">/**
|
763 |
|
|
* Moves a layer up in the stack of map layers
|
764 |
|
|
* <span class="attrib">@param</span> objRef Pointer to this object.
|
765 |
|
|
* <span class="attrib">@param</span> layerId the WMS name for the layer to be removed
|
766 |
|
|
*/</span>
|
767 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.moveLayerDown = <span class="reserved">function</span>(objRef, layerId) {
|
768 |
|
|
objRef.model.map.raiseLayer(objRef.getLayer(objRef,layerId), -1);
|
769 |
|
|
}
|
770 |
|
|
<span class="comment">//###############################################</span>
|
771 |
|
|
<span class="comment">/**
|
772 |
|
|
* Called when the context's opacity attribute changes.
|
773 |
|
|
/**
|
774 |
|
|
* Called when the context's opacity attribute changes.
|
775 |
|
|
* <span class="attrib">@param</span> objRef This object.
|
776 |
|
|
* <span class="attrib">@param</span> layerId The id of the layer that was toggled.
|
777 |
|
|
*/</span>
|
778 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.setOpacity=<span class="reserved">function</span>(objRef, layerId){
|
779 |
|
|
var _opacity=<span class="literal">"1"</span>;
|
780 |
|
|
_opacity=objRef.model.getOpacity(layerId);
|
781 |
|
|
objRef.getLayer(objRef,layerId).setOpacity(_opacity);
|
782 |
|
|
}
|
783 |
|
|
<span class="comment">/**
|
784 |
|
|
* Adds a layer into the output
|
785 |
|
|
* <span class="attrib">@param</span> objRef This object.
|
786 |
|
|
* <span class="attrib">@param</span> layerNode The node of the layer
|
787 |
|
|
*/</span>
|
788 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.addLayer = <span class="reserved">function</span>(objRef, layerNode) {
|
789 |
|
|
<span class="comment"> // OpenLayers doesn't contain information about projection, so if the</span>
|
790 |
|
|
<span class="comment"> // baseLayer projection is not standard lat/long, it needs to know</span>
|
791 |
|
|
<span class="comment"> // maxExtent and maxResolution to calculate the zoomLevels.</span>
|
792 |
|
|
var layer = layerNode;
|
793 |
|
|
<span class="comment">
|
794 |
|
|
// Test service of the layer</span>
|
795 |
|
|
var service=layer.selectSingleNode(<span class="literal">"wmc:Server/@service"</span>);service=(service)?service.nodeValue:<span class="literal">""</span>;
|
796 |
|
|
<span class="comment">
|
797 |
|
|
// Test title of the layer</span>
|
798 |
|
|
var title=Mapbuilder.getProperty(layer, <span class="literal">"wmc:Title"</span>, <span class="literal">""</span>);
|
799 |
|
|
<span class="comment">
|
800 |
|
|
// Get the name of the layer</span>
|
801 |
|
|
layerName = Mapbuilder.getProperty(layer, <span class="literal">"wmc:Name"</span>, <span class="literal">""</span>);
|
802 |
|
|
<span class="comment">
|
803 |
|
|
// Get the layerId. Fallback to layerName if non-existent</span>
|
804 |
|
|
var layerId;
|
805 |
|
|
<span class="reserved">if</span> (layer.selectSingleNode(<span class="literal">"@id"</span>) && layer.selectSingleNode(<span class="literal">"@id"</span>).nodeValue) {
|
806 |
|
|
layerId = layer.selectSingleNode(<span class="literal">"@id"</span>).nodeValue;
|
807 |
|
|
} <span class="reserved">else</span> {
|
808 |
|
|
layerId = layerName;
|
809 |
|
|
}
|
810 |
|
|
|
811 |
|
|
<span class="reserved">if</span> (objRef.context==<span class="literal">"OWS"</span>){
|
812 |
|
|
var href=Mapbuilder.getProperty(layer, <span class="literal">"wmc:Server/wmc:OnlineResource/@xlink:href"</span>, <span class="literal">""</span>);
|
813 |
|
|
}
|
814 |
|
|
<span class="reserved">else</span> {
|
815 |
|
|
<span class="reserved">if</span>(_SARISSA_IS_SAFARI){
|
816 |
|
|
var nodehref=layer.selectSingleNode(<span class="literal">"wmc:Server/wmc:OnlineResource"</span>);
|
817 |
|
|
var href=nodehref.attributes[1].nodeValue;
|
818 |
|
|
}
|
819 |
|
|
<span class="reserved">else</span>{
|
820 |
|
|
<span class="reserved">if</span>(_SARISSA_IS_OPERA){
|
821 |
|
|
var href=layer.selectSingleNode(<span class="literal">"wmc:Server/wmc:OnlineResource"</span>).getAttributeNS (<span class="literal">"http://www.w3.org/1999/xlink"</span>,<span class="literal">"href"</span>);// <span class="reserved">for</span> opera
|
822 |
|
|
}<span class="reserved">else</span>{
|
823 |
|
|
var href=layer.selectSingleNode(<span class="literal">"wmc:Server/wmc:OnlineResource"</span>).getAttribute(<span class="literal">"xlink:href"</span>);
|
824 |
|
|
}
|
825 |
|
|
}
|
826 |
|
|
}
|
827 |
|
|
<span class="comment">
|
828 |
|
|
// Test format of the layer</span>
|
829 |
|
|
var format=layer.selectSingleNode(<span class="literal">"wmc:FormatList/wmc:Format[@current='1']"</span>);
|
830 |
|
|
<span class="reserved">if</span> (!format) {
|
831 |
|
|
format = layer.selectSingleNode(<span class="literal">"wmc:FormatList/wmc:Format"</span>);
|
832 |
|
|
}
|
833 |
|
|
format = format ? getNodeValue(format) : <span class="literal">"image/gif"</span>;
|
834 |
|
|
<span class="comment">
|
835 |
|
|
// Test visibility of the layer</span>
|
836 |
|
|
var vis=layer.selectSingleNode(<span class="literal">"@hidden"</span>);
|
837 |
|
|
<span class="reserved">if</span> (vis) {
|
838 |
|
|
<span class="reserved">if</span>(vis.nodeValue==<span class="literal">"1"</span>)
|
839 |
|
|
vis=false;
|
840 |
|
|
<span class="reserved">else</span>
|
841 |
|
|
vis=true;
|
842 |
|
|
}
|
843 |
|
|
<span class="comment"> // Test if layer is queryable</span>
|
844 |
|
|
var query=layer.selectSingleNode(<span class="literal">"@queryable"</span>);
|
845 |
|
|
<span class="reserved">if</span> (query){
|
846 |
|
|
<span class="reserved">if</span>(query.nodeValue==<span class="literal">"1"</span>)
|
847 |
|
|
query=true;
|
848 |
|
|
<span class="reserved">else</span>
|
849 |
|
|
query=false;
|
850 |
|
|
}
|
851 |
|
|
<span class="comment">
|
852 |
|
|
// Test if opacity is specified</span>
|
853 |
|
|
var opacity=layer.selectSingleNode(<span class="literal">"@opacity"</span>);
|
854 |
|
|
<span class="reserved">if</span> (opacity)
|
855 |
|
|
opacity=opacity.nodeValue;
|
856 |
|
|
<span class="reserved">else</span>
|
857 |
|
|
opacity=false;
|
858 |
|
|
<span class="comment">
|
859 |
|
|
// Get current style node of the layer</span>
|
860 |
|
|
var currentStyle = layer.selectSingleNode(<span class="literal">'wmc:StyleList/wmc:Style[@current=1]'</span>);
|
861 |
|
|
<span class="comment">
|
862 |
|
|
// will be true for IE6, false for later versions of IE</span>
|
863 |
|
|
objRef.IE6 = false <span class="comment">/*<span class="attrib">@cc_on</span> || <span class="attrib">@_jscript_version</span> < 5.7 @*/</span>;
|
864 |
|
|
<span class="comment">
|
865 |
|
|
//default option value for a layer</span>
|
866 |
|
|
var layerOptions = {
|
867 |
|
|
visibility: vis,
|
868 |
|
|
projection: objRef.model.map.baseLayer.projection,
|
869 |
|
|
queryable: query,
|
870 |
|
|
maxExtent: objRef.model.map.baseLayer.maxExtent,
|
871 |
|
|
maxResolution: objRef.model.map.baseLayer.maxResolution, //<span class="literal">"auto"</span> <span class="reserved">if</span> not defined in the context
|
872 |
|
|
minResolution: objRef.model.map.baseLayer.minResolution, //<span class="literal">"auto"</span> <span class="reserved">if</span> not defined in the context
|
873 |
|
|
alpha: format.indexOf(<span class="literal">"png"</span>) != -1 ? objRef.IE6 : false, //option <span class="reserved">for</span> png transparency with ie6
|
874 |
|
|
isBaseLayer: false,
|
875 |
|
|
displayOutsideMaxExtent: objRef.displayOutsideMaxExtent
|
876 |
|
|
};
|
877 |
|
|
|
878 |
|
|
switch(service){
|
879 |
|
|
<span class="comment"> // WMS Layer (Untiled)</span>
|
880 |
|
|
case <span class="literal">"OGC"</span>:
|
881 |
|
|
case <span class="literal">"WMS"</span>:
|
882 |
|
|
case <span class="literal">"wms"</span>:
|
883 |
|
|
case <span class="literal">"OGC:WMS"</span>:
|
884 |
|
|
<span class="reserved">if</span>(!objRef.model.map.baseLayer){
|
885 |
|
|
layerOptions.isBaseLayer=true;
|
886 |
|
|
}
|
887 |
|
|
<span class="reserved">else</span> {
|
888 |
|
|
<span class="comment"> //TBD what if we have layers with different projections in the context?</span>
|
889 |
|
|
layerOptions.reproject=objRef.imageReproject;
|
890 |
|
|
layerOptions.isBaseLayer=false;
|
891 |
|
|
}
|
892 |
|
|
|
893 |
|
|
layerOptions.ratio = objRef.imageBuffer;
|
894 |
|
|
layerOptions.singleTile = objRef.singleTile;
|
895 |
|
|
<span class="reserved">if</span> (objRef.singleTile == true) {
|
896 |
|
|
layerOptions.transitionEffect = objRef.transitionEffect;
|
897 |
|
|
}
|
898 |
|
|
|
899 |
|
|
var params = new Array();
|
900 |
|
|
params = sld2UrlParam(currentStyle);
|
901 |
|
|
<span class="reserved">if</span> (objRef.model.timestampList && objRef.model.timestampList.getAttribute(<span class="literal">"layerId"</span>) == layerId) {
|
902 |
|
|
var ts = objRef.model.timestampList.childNodes[0];
|
903 |
|
|
|
904 |
|
|
objRef.oLlayers[layerId]= new OpenLayers.Layer.WMS(title,href,{
|
905 |
|
|
layers: layerName,
|
906 |
|
|
<span class="comment"> // "TRUE" in upper case else the context doc boston.xml</span>
|
907 |
|
|
<span class="comment"> // (i.c. the IONIC WMS/WFS) doesn't work.</span>
|
908 |
|
|
<span class="comment"> // Note that this is in line with the WMS standard (OGC 01-068r2),</span>
|
909 |
|
|
<span class="comment"> // section 6.4.1 Parameter Ordering and Case:</span>
|
910 |
|
|
<span class="comment"> // "Parameter names shall not be case sensitive,</span>
|
911 |
|
|
<span class="comment"> // but parameter values shall be case sensitive."</span>
|
912 |
|
|
transparent: format.indexOf(<span class="literal">"jpeg"</span>) == -1 ? <span class="literal">"TRUE"</span> : <span class="literal">"FALSE"</span>,
|
913 |
|
|
<span class="literal">"TIME"</span>: getNodeValue(ts),
|
914 |
|
|
format: format,
|
915 |
|
|
sld:params.sld,
|
916 |
|
|
sld_body:params.sld_body,
|
917 |
|
|
styles:params.styles
|
918 |
|
|
},
|
919 |
|
|
layerOptions
|
920 |
|
|
);
|
921 |
|
|
<span class="comment"> // Turn on timestamp listenet</span>
|
922 |
|
|
<span class="reserved">this</span>.model.addListener(<span class="literal">"timestamp"</span>,<span class="reserved">this</span>.timestampListener,<span class="reserved">this</span>);
|
923 |
|
|
}
|
924 |
|
|
<span class="reserved">else</span> {
|
925 |
|
|
objRef.oLlayers[layerId]= new OpenLayers.Layer.WMS(title,href,{
|
926 |
|
|
layers: layerName,
|
927 |
|
|
<span class="comment"> // "TRUE" in upper case else the context doc boston.xml</span>
|
928 |
|
|
<span class="comment"> // (i.c. the IONIC WMS/WFS) doesn't work.</span>
|
929 |
|
|
<span class="comment"> // Note that this is in line with the WMS standard (OGC 01-068r2),</span>
|
930 |
|
|
<span class="comment"> // section 6.4.1 Parameter Ordering and Case:</span>
|
931 |
|
|
<span class="comment"> // "Parameter names shall not be case sensitive,</span>
|
932 |
|
|
<span class="comment"> // but parameter values shall be case sensitive."</span>
|
933 |
|
|
transparent: format.indexOf(<span class="literal">"jpeg"</span>) == -1 ? <span class="literal">"TRUE"</span> : <span class="literal">"FALSE"</span>,
|
934 |
|
|
format: format,
|
935 |
|
|
sld:params.sld,
|
936 |
|
|
sld_body:params.sld_body,
|
937 |
|
|
styles:params.styles
|
938 |
|
|
},
|
939 |
|
|
layerOptions
|
940 |
|
|
);
|
941 |
|
|
}
|
942 |
|
|
break;
|
943 |
|
|
<span class="comment">
|
944 |
|
|
// WMS-C Layer (Tiled)</span>
|
945 |
|
|
case <span class="literal">"WMS-C"</span>:
|
946 |
|
|
case <span class="literal">"OGC:WMS-C"</span>:
|
947 |
|
|
<span class="reserved">if</span>(!objRef.model.map.baseLayer){
|
948 |
|
|
layerOptions.isBaseLayer=true;
|
949 |
|
|
}
|
950 |
|
|
<span class="reserved">else</span> {
|
951 |
|
|
<span class="comment"> //TBD what if we have layers with different projections in the context?</span>
|
952 |
|
|
layerOptions.reproject=objRef.imageReproject;
|
953 |
|
|
layerOptions.isBaseLayer=false;
|
954 |
|
|
}
|
955 |
|
|
|
956 |
|
|
layerOptions.gutter = objRef.tileGutter;
|
957 |
|
|
layerOptions.buffer = objRef.tileBuffer;
|
958 |
|
|
layerOptions.tileSize = new OpenLayers.Size(objRef.tileSize, objRef.tileSize);
|
959 |
|
|
|
960 |
|
|
var params = new Array();
|
961 |
|
|
params = sld2UrlParam(currentStyle);
|
962 |
|
|
objRef.oLlayers[layerId]= new OpenLayers.Layer.WMS(title,href,{
|
963 |
|
|
layers: layerName,
|
964 |
|
|
transparent: format.indexOf(<span class="literal">"jpeg"</span>) == -1 ? <span class="literal">"TRUE"</span> : <span class="literal">"FALSE"</span>,
|
965 |
|
|
format: format,
|
966 |
|
|
sld:params.sld,
|
967 |
|
|
sld_body:params.sld_body,
|
968 |
|
|
styles:params.styles
|
969 |
|
|
},
|
970 |
|
|
layerOptions
|
971 |
|
|
);
|
972 |
|
|
objRef.model.map.fractionalZoom = false;
|
973 |
|
|
break;
|
974 |
|
|
<span class="comment">
|
975 |
|
|
// WFS Layer</span>
|
976 |
|
|
case <span class="literal">"WFS"</span>:
|
977 |
|
|
case <span class="literal">"wfs"</span>:
|
978 |
|
|
case <span class="literal">"OGC:WFS"</span>:
|
979 |
|
|
style = sld2OlStyle(currentStyle);
|
980 |
|
|
<span class="reserved">if</span>(style){
|
981 |
|
|
layerOptions.styleMap=new OpenLayers.StyleMap(style);
|
982 |
|
|
}
|
983 |
|
|
<span class="reserved">else</span>{
|
984 |
|
|
layerOptions.style=objRef.getWebSafeStyle(objRef, 2*i+1);
|
985 |
|
|
}
|
986 |
|
|
layerOptions.featureClass=OpenLayers.Feature.WFS;
|
987 |
|
|
|
988 |
|
|
objRef.oLlayers[layerId]= new OpenLayers.Layer.WFS(
|
989 |
|
|
title,
|
990 |
|
|
href,{
|
991 |
|
|
typename: layerId,
|
992 |
|
|
maxfeatures: 1000},
|
993 |
|
|
layerOptions
|
994 |
|
|
);
|
995 |
|
|
break;
|
996 |
|
|
<span class="comment">
|
997 |
|
|
// GML Layer</span>
|
998 |
|
|
case <span class="literal">"gml"</span>:
|
999 |
|
|
case <span class="literal">"OGC:GML"</span>:
|
1000 |
|
|
style = sld2OlStyle(currentStyle);
|
1001 |
|
|
<span class="reserved">if</span>(style){
|
1002 |
|
|
layerOptions.styleMap=new OpenLayers.StyleMap(style);
|
1003 |
|
|
}
|
1004 |
|
|
<span class="reserved">else</span>{
|
1005 |
|
|
layerOptions.style=objRef.getWebSafeStyle(objRef, 2*i+1);
|
1006 |
|
|
}
|
1007 |
|
|
objRef.oLlayers[layerId] = new OpenLayers.Layer.GML(title,href,layerOptions);
|
1008 |
|
|
|
1009 |
|
|
break;
|
1010 |
|
|
<span class="comment">
|
1011 |
|
|
// KML Layer</span>
|
1012 |
|
|
case <span class="literal">"KML"</span>:
|
1013 |
|
|
case <span class="literal">"kml"</span>:
|
1014 |
|
|
objRef.oLlayers[layerId]= new OpenLayers.Layer.GML(
|
1015 |
|
|
title,
|
1016 |
|
|
href,{
|
1017 |
|
|
format: OpenLayers.Format.KML
|
1018 |
|
|
}
|
1019 |
|
|
);
|
1020 |
|
|
break;
|
1021 |
|
|
<span class="comment">
|
1022 |
|
|
// Currently the following layertypes are only supported in a OwsContext doc as a BaseLayer</span>
|
1023 |
|
|
<span class="comment"> // for more information see http://docs.codehaus.org/display/MAP/Using+Google-layers</span>
|
1024 |
|
|
<span class="comment">/* case "GMAP":
|
1025 |
|
|
case "Google":
|
1026 |
|
|
//the empty baseLayer has to be destroyed when you want to use google
|
1027 |
|
|
objRef.model.map.baseLayer.destroy();
|
1028 |
|
|
layerOptions.maxExtent=new OpenLayers.Bounds("-20037508", "-20037508", "20037508", "20037508.34");
|
1029 |
|
|
objRef.oLlayers[layerId] = new OpenLayers.Layer.Google( "Google Satellite" , {type: G_HYBRID_MAP, maxZoomLevel:18, sphericalMercator: true }, layerOptions );
|
1030 |
|
|
break;
|
1031 |
|
|
|
1032 |
|
|
case "YMAP":
|
1033 |
|
|
case "Yahoo":
|
1034 |
|
|
// <script src="http://api.maps.yahoo.com/ajaxymap?v=3.0&appid=euzuro-openlayers"></script>
|
1035 |
|
|
layerOptions.isBaseLayer=true;
|
1036 |
|
|
objRef.oLlayers[layerId] = new OpenLayers.Layer.Yahoo( "Yahoo");
|
1037 |
|
|
break;
|
1038 |
|
|
|
1039 |
|
|
case "VE":
|
1040 |
|
|
case "Microsoft":
|
1041 |
|
|
//<script src='http://dev.virtualearth.net/mapcontrol/v3/mapcontrol.js'></script>
|
1042 |
|
|
layerOptions.isBaseLayer=true;
|
1043 |
|
|
objRef.oLlayers[layerId] = new OpenLayers.Layer.VirtualEarth( "VE",{minZoomLevel: 0, maxZoomLevel: 18,type: VEMapStyle.Hybrid});
|
1044 |
|
|
break;
|
1045 |
|
|
|
1046 |
|
|
case "MultiMap":
|
1047 |
|
|
//<script type="text/javascript" src="http://clients.multimap.com/API/maps/1.1/metacarta_04"></script>
|
1048 |
|
|
layerOptions.isBaseLayer=true;
|
1049 |
|
|
objRef.oLlayers[layerId] = new OpenLayers.Layer.MultiMap( "MultiMap");
|
1050 |
|
|
break;*/</span>
|
1051 |
|
|
default:
|
1052 |
|
|
alert(mbGetMessage(<span class="literal">"layerTypeNotSupported"</span>, service));
|
1053 |
|
|
}
|
1054 |
|
|
<span class="reserved">if</span>(opacity && objRef.oLlayers[layerId]){
|
1055 |
|
|
objRef.oLlayers[layerId].setOpacity(opacity);
|
1056 |
|
|
}
|
1057 |
|
|
|
1058 |
|
|
objRef.oLlayers[layerId].events.register(<span class="literal">'loadstart'</span>, objRef, objRef.increaseLoadingLayers);
|
1059 |
|
|
objRef.oLlayers[layerId].events.register(<span class="literal">'loadend'</span>, objRef, objRef.decreaseLoadingLayers);
|
1060 |
|
|
<span class="comment">
|
1061 |
|
|
// Here the OL layer gets added to the OL map</span>
|
1062 |
|
|
objRef.model.map.addLayer(objRef.oLlayers[layerId]);
|
1063 |
|
|
}
|
1064 |
|
|
|
1065 |
|
|
<span class="comment">/**
|
1066 |
|
|
* gets an OpenLayers vector style with web safe colors.
|
1067 |
|
|
* <span class="attrib">@param</span> objRef reference to this object
|
1068 |
|
|
* <span class="attrib">@param</span> colorNumber number of a color from which to generate websafe color
|
1069 |
|
|
* <span class="attrib">@return</span> {OpenLayers.Style} style for OpenLayers vector rendering
|
1070 |
|
|
*/</span>
|
1071 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.getWebSafeStyle = <span class="reserved">function</span>(objRef, colorNumber) {
|
1072 |
|
|
colors=new Array(<span class="literal">"00"</span>,<span class="literal">"33"</span>,<span class="literal">"66"</span>,<span class="literal">"99"</span>,<span class="literal">"CC"</span>,<span class="literal">"FF"</span>);
|
1073 |
|
|
colorNumber=(colorNumber)?colorNumber:0;
|
1074 |
|
|
colorNumber=(colorNumber<0)?0:colorNumber;
|
1075 |
|
|
colorNumber=(colorNumber>215)?215:colorNumber;
|
1076 |
|
|
i=parseInt(colorNumber/36);
|
1077 |
|
|
j=parseInt((colorNumber-i*36)/6);
|
1078 |
|
|
k=parseInt((colorNumber-i*36-j*6));
|
1079 |
|
|
var color=<span class="literal">"#"</span>+colors[i]+colors[j]+colors[k];
|
1080 |
|
|
var defaultStyle = {
|
1081 |
|
|
fillColor: <span class="literal">"#808080"</span>,
|
1082 |
|
|
fillOpacity: 1,
|
1083 |
|
|
strokeColor: <span class="literal">"#000000"</span>,
|
1084 |
|
|
strokeOpacity: 1,
|
1085 |
|
|
strokeWidth: 1,
|
1086 |
|
|
pointRadius: 6};
|
1087 |
|
|
var style=OpenLayers.Util.extend(defaultStyle,OpenLayers.Feature.Vector.style[<span class="literal">"default"</span>]);
|
1088 |
|
|
style.fillColor = color;
|
1089 |
|
|
style.strokeColor = color;
|
1090 |
|
|
style.map = objRef.model.map;
|
1091 |
|
|
<span class="reserved">return</span> style;
|
1092 |
|
|
}
|
1093 |
|
|
|
1094 |
|
|
<span class="comment">/**
|
1095 |
|
|
* Called for refreshing one layer.
|
1096 |
|
|
* <span class="attrib">@param</span> objRef This object.
|
1097 |
|
|
* <span class="attrib">@param</span> layerId The id of the layer that was toggled.
|
1098 |
|
|
*/</span>
|
1099 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.refreshLayer = <span class="reserved">function</span>(objRef, layerId , newParams){
|
1100 |
|
|
newParams[<span class="literal">'version'</span>] = Math.random(); //necessary <span class="reserved">for</span> see change in certain case
|
1101 |
|
|
objRef.getLayer(objRef,layerId).mergeNewParams(newParams);
|
1102 |
|
|
}
|
1103 |
|
|
|
1104 |
|
|
<span class="comment">/**
|
1105 |
|
|
* Called when the map timestamp is changed so set the layer visiblity.
|
1106 |
|
|
* <span class="attrib">@param</span> objRef This object.
|
1107 |
|
|
* <span class="attrib">@param</span> timestampIndex The array index for the layer to be displayed.
|
1108 |
|
|
*/</span>
|
1109 |
|
|
MapPaneOL.<span class="reserved">prototype</span>.timestampListener=<span class="reserved">function</span>(objRef, timestampIndex){
|
1110 |
|
|
<span class="reserved">if</span> (window.movieLoop.frameIsLoading == true) {
|
1111 |
|
|
<span class="reserved">return</span>;
|
1112 |
|
|
}
|
1113 |
|
|
var layerId = objRef.model.timestampList.getAttribute(<span class="literal">"layerId"</span>);
|
1114 |
|
|
var ts = objRef.model.timestampList.childNodes[timestampIndex];
|
1115 |
|
|
|
1116 |
|
|
<span class="reserved">if</span> (layerId && ts) {
|
1117 |
|
|
var curLayer = objRef.oLlayers[layerId]; //TBD: please check <span class="reserved">if</span> <span class="reserved">this</span> still works now we<span class="literal">'ve moved to layerId
|
1118 |
|
|
if (!curLayer.grid) {
|
1119 |
|
|
return;
|
1120 |
|
|
}
|
1121 |
|
|
div = curLayer.grid[0][0].imgDiv;
|
1122 |
|
|
// Perform URL substitution via regexps
|
1123 |
|
|
var oldImageUrl = div.src || div.firstChild.src;
|
1124 |
|
|
var newImageUrl = oldImageUrl.replace(/TIME\=.*?\&/,'</span>TIME=<span class="literal">' + getNodeValue(ts) + '</span>&<span class="literal">');
|
1125 |
|
|
if (oldImageUrl == newImageUrl) {
|
1126 |
|
|
return;
|
1127 |
|
|
}
|
1128 |
|
|
|
1129 |
|
|
function imageLoaded() {
|
1130 |
|
|
window.movieLoop.frameIsLoading = false;
|
1131 |
|
|
if(element.removeEventListener) { // Standard
|
1132 |
|
|
element.removeEventListener("load", imageLoaded, false);
|
1133 |
|
|
} else if(element.detachEvent) { // IE
|
1134 |
|
|
element.detachEvent('</span>onload<span class="literal">', imageLoaded);
|
1135 |
|
|
}
|
1136 |
|
|
}
|
1137 |
|
|
|
1138 |
|
|
window.movieLoop.frameIsLoading = true;
|
1139 |
|
|
var element = div.nodeName.toUpperCase() == "IMG" ? div : div.firstChild;
|
1140 |
|
|
if(element.addEventListener) { // Standard
|
1141 |
|
|
element.addEventListener("load", imageLoaded, false);
|
1142 |
|
|
} else if(element.attachEvent) { // IE
|
1143 |
|
|
element.attachEvent('</span>onload', imageLoaded);
|
1144 |
|
|
}
|
1145 |
|
|
<span class="reserved">if</span> (objRef.IE6) {
|
1146 |
|
|
OpenLayers.Util.modifyAlphaImageDiv(div,
|
1147 |
|
|
null, null, null, newImageUrl);
|
1148 |
|
|
} <span class="reserved">else</span> {
|
1149 |
|
|
element.src = newImageUrl;
|
1150 |
|
|
}
|
1151 |
|
|
}
|
1152 |
|
|
|
1153 |
|
|
}
|
1154 |
|
|
</pre>
|
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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1182 |
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<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Sun Apr 27 20:30:54 2008</div>
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