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Diffstat (limited to 'misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js')
| -rw-r--r-- | misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js b/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js deleted file mode 100644 index 564d071..0000000 --- a/misc/openlayers/lib/OpenLayers/Layer/GeoRSS.js +++ /dev/null @@ -1,265 +0,0 @@ -/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for - * full list of contributors). Published under the 2-clause BSD license. - * See license.txt in the OpenLayers distribution or repository for the - * full text of the license. */ - - -/** - * @requires OpenLayers/Layer/Markers.js - * @requires OpenLayers/Request/XMLHttpRequest.js - */ - -/** - * Class: OpenLayers.Layer.GeoRSS - * Add GeoRSS Point features to your map. - * - * Inherits from: - * - <OpenLayers.Layer.Markers> - */ -OpenLayers.Layer.GeoRSS = OpenLayers.Class(OpenLayers.Layer.Markers, { - - /** - * Property: location - * {String} store url of text file - */ - location: null, - - /** - * Property: features - * {Array(<OpenLayers.Feature>)} - */ - features: null, - - /** - * APIProperty: formatOptions - * {Object} Hash of options which should be passed to the format when it is - * created. Must be passed in the constructor. - */ - formatOptions: null, - - /** - * Property: selectedFeature - * {<OpenLayers.Feature>} - */ - selectedFeature: null, - - /** - * APIProperty: icon - * {<OpenLayers.Icon>}. This determines the Icon to be used on the map - * for this GeoRSS layer. - */ - icon: null, - - /** - * APIProperty: popupSize - * {<OpenLayers.Size>} This determines the size of GeoRSS popups. If - * not provided, defaults to 250px by 120px. - */ - popupSize: null, - - /** - * APIProperty: useFeedTitle - * {Boolean} Set layer.name to the first <title> element in the feed. Default is true. - */ - useFeedTitle: true, - - /** - * Constructor: OpenLayers.Layer.GeoRSS - * Create a GeoRSS Layer. - * - * Parameters: - * name - {String} - * location - {String} - * options - {Object} - */ - initialize: function(name, location, options) { - OpenLayers.Layer.Markers.prototype.initialize.apply(this, [name, options]); - this.location = location; - this.features = []; - }, - - /** - * Method: destroy - */ - destroy: function() { - // Warning: Layer.Markers.destroy() must be called prior to calling - // clearFeatures() here, otherwise we leak memory. Indeed, if - // Layer.Markers.destroy() is called after clearFeatures(), it won't be - // able to remove the marker image elements from the layer's div since - // the markers will have been destroyed by clearFeatures(). - OpenLayers.Layer.Markers.prototype.destroy.apply(this, arguments); - this.clearFeatures(); - this.features = null; - }, - - /** - * Method: loadRSS - * Start the load of the RSS data. Don't do this when we first add the layer, - * since we may not be visible at any point, and it would therefore be a waste. - */ - loadRSS: function() { - if (!this.loaded) { - this.events.triggerEvent("loadstart"); - OpenLayers.Request.GET({ - url: this.location, - success: this.parseData, - scope: this - }); - this.loaded = true; - } - }, - - /** - * Method: moveTo - * If layer is visible and RSS has not been loaded, load RSS. - * - * Parameters: - * bounds - {Object} - * zoomChanged - {Object} - * minor - {Object} - */ - moveTo:function(bounds, zoomChanged, minor) { - OpenLayers.Layer.Markers.prototype.moveTo.apply(this, arguments); - if(this.visibility && !this.loaded){ - this.loadRSS(); - } - }, - - /** - * Method: parseData - * Parse the data returned from the Events call. - * - * Parameters: - * ajaxRequest - {<OpenLayers.Request.XMLHttpRequest>} - */ - parseData: function(ajaxRequest) { - var doc = ajaxRequest.responseXML; - if (!doc || !doc.documentElement) { - doc = OpenLayers.Format.XML.prototype.read(ajaxRequest.responseText); - } - - if (this.useFeedTitle) { - var name = null; - try { - name = doc.getElementsByTagNameNS('*', 'title')[0].firstChild.nodeValue; - } - catch (e) { - name = doc.getElementsByTagName('title')[0].firstChild.nodeValue; - } - if (name) { - this.setName(name); - } - } - - var options = {}; - - OpenLayers.Util.extend(options, this.formatOptions); - - if (this.map && !this.projection.equals(this.map.getProjectionObject())) { - options.externalProjection = this.projection; - options.internalProjection = this.map.getProjectionObject(); - } - - var format = new OpenLayers.Format.GeoRSS(options); - var features = format.read(doc); - - for (var i=0, len=features.length; i<len; i++) { - var data = {}; - var feature = features[i]; - - // we don't support features with no geometry in the GeoRSS - // layer at this time. - if (!feature.geometry) { - continue; - } - - var title = feature.attributes.title ? - feature.attributes.title : "Untitled"; - - var description = feature.attributes.description ? - feature.attributes.description : "No description."; - - var link = feature.attributes.link ? feature.attributes.link : ""; - - var location = feature.geometry.getBounds().getCenterLonLat(); - - - data.icon = this.icon == null ? - OpenLayers.Marker.defaultIcon() : - this.icon.clone(); - - data.popupSize = this.popupSize ? - this.popupSize.clone() : - new OpenLayers.Size(250, 120); - - if (title || description) { - // we have supplemental data, store them. - data.title = title; - data.description = description; - - var contentHTML = '<div class="olLayerGeoRSSClose">[x]</div>'; - contentHTML += '<div class="olLayerGeoRSSTitle">'; - if (link) { - contentHTML += '<a class="link" href="'+link+'" target="_blank">'; - } - contentHTML += title; - if (link) { - contentHTML += '</a>'; - } - contentHTML += '</div>'; - contentHTML += '<div style="" class="olLayerGeoRSSDescription">'; - contentHTML += description; - contentHTML += '</div>'; - data['popupContentHTML'] = contentHTML; - } - var feature = new OpenLayers.Feature(this, location, data); - this.features.push(feature); - var marker = feature.createMarker(); - marker.events.register('click', feature, this.markerClick); - this.addMarker(marker); - } - this.events.triggerEvent("loadend"); - }, - - /** - * Method: markerClick - * - * Parameters: - * evt - {Event} - */ - markerClick: function(evt) { - var sameMarkerClicked = (this == this.layer.selectedFeature); - this.layer.selectedFeature = (!sameMarkerClicked) ? this : null; - for(var i=0, len=this.layer.map.popups.length; i<len; i++) { - this.layer.map.removePopup(this.layer.map.popups[i]); - } - if (!sameMarkerClicked) { - var popup = this.createPopup(); - OpenLayers.Event.observe(popup.div, "click", - OpenLayers.Function.bind(function() { - for(var i=0, len=this.layer.map.popups.length; i<len; i++) { - this.layer.map.removePopup(this.layer.map.popups[i]); - } - }, this) - ); - this.layer.map.addPopup(popup); - } - OpenLayers.Event.stop(evt); - }, - - /** - * Method: clearFeatures - * Destroy all features in this layer. - */ - clearFeatures: function() { - if (this.features != null) { - while(this.features.length > 0) { - var feature = this.features[0]; - OpenLayers.Util.removeItem(this.features, feature); - feature.destroy(); - } - } - }, - - CLASS_NAME: "OpenLayers.Layer.GeoRSS" -}); |