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(function () { |
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// holds a function queue to call once page is loaded |
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function Main() { |
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var VERSION = '{{VERSION}}'; |
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this.VERSION = VERSION; |
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|
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/** |
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* Call a render function, wrapped in a try/catch |
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* @param {() => void} fnc |
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*/ |
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function callRenderFunction(fnc) { |
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try { |
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fnc(); |
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} catch (e) { |
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console.log('-- version --', VERSION); |
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console.error(e); |
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} |
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} |
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|
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var ready = false; |
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var callbacks = []; |
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|
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/** |
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* this function mirrors the array appending function |
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* so that we can at least append functions to a global array |
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* before the maps are ready to be rendered |
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* |
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* All shortcodes should execute the following: |
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* window.WPLeafletMapPlugin = window.WPLeafletMapPlugin || []; |
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* window.WPLeafletMapPlugin.push(function () { |
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* |
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* Think of it as a whenReady callback |
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*/ |
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this.push = function (fnc) { |
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if (ready) { |
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callRenderFunction(fnc); |
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} else { |
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callbacks.push(fnc); |
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} |
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}; |
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|
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/** |
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* Same as above, but what if someone wants to execute a function |
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* before other functions? |
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*/ |
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this.unshift = function (fnc) { |
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if (ready) { |
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callRenderFunction(fnc); |
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} else { |
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callbacks.unshift(fnc); |
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} |
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}; |
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|
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/** |
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* execute all callbacks once page/Leaflet is loaded |
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*/ |
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this.init = function () { |
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ready = true; |
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for (var i = 0, len = callbacks.length; i < len; i++) { |
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callRenderFunction(callbacks[i]); |
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} |
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}; |
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|
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/** |
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* Create map from a div element |
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* @since 2.18.0 |
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*/ |
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this.createMap = function (options) { |
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// gets maps by className in order |
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var elems = document.getElementsByClassName('WPLeafletMap'); |
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var i = this.maps.length; |
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var container = elems[i]; |
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|
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var map = L.map(container, options); |
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|
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// removed from PHP in 2.18.0 |
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if (options.fitBounds) { |
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map._shouldFitBounds = true; |
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} |
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|
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// removed from PHP in 2.18.0 |
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if (options.attribution) { |
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addAttributionToMap(options.attribution, map); |
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} |
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|
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this.maps.push(map); |
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|
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return map; |
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}; |
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|
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/** |
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* Create image map from a div element |
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* @since 2.18.0 |
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*/ |
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this.createImageMap = function (options) { |
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var map = this.createMap(options); |
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|
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// moved from PHP in 2.18.0 |
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map.is_image_map = true; |
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|
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this.images.push(map); |
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|
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return map; |
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}; |
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|
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/** |
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* maps are created iteratively, so the last map is the current map |
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*/ |
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this.getCurrentMap = function () { |
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return this.maps[this.maps.length - 1]; |
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}; |
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|
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/** |
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* Get/Create L.FeatureGroup for ALL shapes; used for `fitbounds` |
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* @since 2.13.0 |
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*/ |
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this.getCurrentGroup = function () { |
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// marker groups are mapid -> feature group |
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var mapid = this.maps.length; |
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if (!this.markergroups[mapid]) { |
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this.markergroups[mapid] = this.newMarkerGroup(this.maps[mapid - 1]); |
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} |
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return this.markergroups[mapid]; |
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}; |
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|
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/** |
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* backwards-compatible getCurrentGroup |
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* @deprecated 2.13.0 |
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*/ |
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this.getCurrentMarkerGroup = this.getCurrentGroup; |
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|
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/** |
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* get FeatureGroup and add to map |
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* |
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* ! This is extracted so that it can be overwritten by plugins |
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*/ |
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this.getGroup = function (map) { |
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return new L.FeatureGroup().addTo(map); |
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}; |
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|
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/** |
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* group is created and event is added |
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*/ |
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this.newMarkerGroup = function (map) { |
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var mg = this.getGroup(map); |
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|
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mg.timeout = null; |
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|
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// custom attribute |
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if (map._shouldFitBounds) { |
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mg.on( |
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'layeradd', |
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function (event) { |
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if (event.layer instanceof L.FeatureGroup) { |
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// wait for featuregroup/ajax-geojson to be ready |
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event.layer.on('ready', function () { |
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map.fitBounds(mg.getBounds()); |
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}); |
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} |
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|
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// needs a timeout so that it doesn't |
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// opt out of a bound change |
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window.clearTimeout(this.timeout); |
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this.timeout = window.setTimeout(function () { |
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try { |
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map.fitBounds(mg.getBounds()); |
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} catch (e) { |
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// ajax-geojson might not have valid bounds yet |
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} |
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}, 100); |
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}, |
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mg |
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); |
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} |
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|
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return mg; |
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}; |
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|
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/** Adds all properties as a table-view for GeoJSON popups */ |
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this.propsToTable = function (props) { |
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var prop; |
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var keys = []; |
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for (prop in props) { |
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if (Object.prototype.hasOwnProperty.call(props, prop)) { |
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keys.push(prop); |
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} |
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} |
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keys = keys.sort(); |
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|
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var output = '<table>'; |
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|
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for (var i = 0, len = keys.length; i < len; i++) { |
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var key = keys[i]; |
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output += '<tr><td>' + key + '</td>'; |
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output += '<td>' + props[key] + '</td></tr>'; |
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} |
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|
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output += '</table>'; |
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|
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return output; |
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}; |
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|
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function trim(a) { |
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return a.trim(); |
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} |
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|
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function addAttributionToMap(attribution, map) { |
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if (!attribution) { |
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return; |
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} |
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|
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var attributions = attribution.split(';'); |
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var attControl = L.control |
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.attribution({ |
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prefix: false, |
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}) |
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.addTo(map); |
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|
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for (var i = 0, len = attributions.length; i < len; i++) { |
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var att = trim(attributions[i]); |
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attControl.addAttribution(att); |
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} |
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} |
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|
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var unescape = (this.unescape = function (str) { |
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var div = document.createElement('div'); |
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div.innerHTML = str; |
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return div.innerText || str; |
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}); |
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|
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var templateRe = /\{ *(.*?) *\}/g; |
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|
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/** |
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* It interpolates variables in curly brackets (regex above) |
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* |
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* ex: "Property Value: {property_key}" |
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* |
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* @param {string} str |
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* @param {object} data e.g. feature.properties |
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*/ |
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this.template = function (str, data) { |
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if (data == null) { |
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return str; |
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} |
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|
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return str.replace(templateRe, function (match, key) { |
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var obj = liquid(key); |
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var value = parseKey(data, obj.key); |
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if (value == null) { |
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return obj.default || match; |
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} |
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return value; |
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}); |
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}; |
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|
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/** used in strToPath */ |
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var strToPathRe = /[.‘’'“”"\[\]]+/g; |
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|
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/** |
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* Converts nested object keys to array |
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* |
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* ex: `this.that['and'].theOther[4]` -> |
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* ['this', 'that', 'and', 'theOther', '4'] |
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* @param {string} key |
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*/ |
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function strToPath(key) { |
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if (key == null) { |
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return []; |
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} |
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var input = key.split(strToPathRe); |
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var output = []; |
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|
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// failsafe for all empty strings; |
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// mostly catches brackets at the end of a string |
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for (var i = 0, len = input.length; i < len; i++) { |
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if (input[i] !== '') { |
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output.push(input[i]); |
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} |
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} |
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|
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return output; |
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} |
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|
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/** |
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* It uses strToPath to access a possibly nested path value |
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* |
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* @param {object} obj |
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* @param {string} key |
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*/ |
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function parseKey(obj, key) { |
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var arr = strToPath(unescape(key)); |
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var value = obj; |
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|
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for (var i = 0, len = arr.length; i < len; i++) { |
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value = value[arr[i]]; |
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if (!value) { |
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return undefined; |
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} |
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} |
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|
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return value; |
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} |
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|
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/** |
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* parses liquid tags from a string |
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* |
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* @param {string} str |
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*/ |
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function liquid(str) { |
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var tags = str.split(' | '); |
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var obj = {}; |
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|
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// removes initial variable from array |
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var key = tags.shift(); |
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|
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for (var i = 0, len = tags.length; i < len; i++) { |
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var tag = tags[i].split(': '); |
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var tagName = tag.shift(); |
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var tagValue = tag.join(': ') || true; |
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|
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obj[tagName] = tagValue; |
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} |
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|
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// always preserve the original string |
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obj.key = key; |
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|
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return obj; |
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} |
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|
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function waitFor(prop, cb) { |
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if (typeof L !== 'undefined' && typeof L[prop] !== 'undefined') { |
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cb(); |
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} else { |
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setTimeout(function () { |
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waitFor(prop, cb); |
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}, 100); |
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} |
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} |
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|
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/** wait for leaflet-svg-icon (if deferred) */ |
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this.waitForSVG = function (cb) { |
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waitFor('SVGIcon', cb); |
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}; |
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|
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/** wait for leaflet-ajax-geojson (if deferred) */ |
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this.waitForAjax = function (cb) { |
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waitFor('AjaxGeoJSON', cb); |
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}; |
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|
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this.createScale = function (options) { |
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L.control.scale(options).addTo(this.getCurrentMap()); |
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}; |
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|
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this.getIconOptions = function (options) { |
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var _options = options || {}; |
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var iconArrays = [ |
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'iconSize', |
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'iconAnchor', |
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'shadowSize', |
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'shadowAnchor', |
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'popupAnchor', |
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'tooltipAnchor', |
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]; |
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var default_icon = L.Icon.Default.prototype.options; |
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// arrays are strings, unfortunately... |
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for (var i = 0, len = iconArrays.length; i < len; i++) { |
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var option_name = iconArrays[i]; |
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var option = _options[option_name]; |
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// convert "1,2" to [1, 2]; |
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if (option) { |
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var arr = option.split(','); |
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// array.map for ie<9 |
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for (var j = 0, lenJ = arr.length; j < lenJ; j++) { |
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arr[j] = Number(arr[j]); |
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} |
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_options[option_name] = arr; |
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} |
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} |
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// default popupAnchor |
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if (!_options.popupAnchor) { |
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// set (roughly) to size of icon |
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_options.popupAnchor = (function (i_size) { |
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// copy array |
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i_size = i_size.slice(); |
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|
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// inverse coordinates |
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i_size[0] = 0; |
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i_size[1] *= -1; |
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// bottom position on popup is 7px |
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i_size[1] -= 3; |
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return i_size; |
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})(_options.iconSize || default_icon.iconSize); |
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} |
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if (_options.iconUrl) { |
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_options.icon = new L.Icon(_options); |
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} |
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return _options; |
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}; |
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|
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// these accessible properties hold map objects |
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this.maps = []; |
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this.images = []; |
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this.markergroups = {}; |
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this.markers = []; |
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this.lines = []; |
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this.polygons = []; |
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this.circles = []; |
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this.geojsons = []; |
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this.overlays = []; |
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} |
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|
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/** |
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* window.WPLeafletMapPlugin can be used, by saving arguments, |
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* before it is officially initialized |
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* |
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* This is used to deal with the potential for deferred scripts |
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*/ |
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var original = window.WPLeafletMapPlugin; |
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window.WPLeafletMapPlugin = new Main(); |
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|
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// check for functions to execute |
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if (!!original) { |
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for (var i = 0, len = original.length; i < len; i++) { |
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window.WPLeafletMapPlugin.push(original[i]); |
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} |
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|
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// empty the array |
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original.splice(0); |
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|
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// re-add any methods that may have been added to the original |
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for (var k in original) { |
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if (original.hasOwnProperty(k)) { |
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window.WPLeafletMapPlugin[k] = original[k]; |
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} |
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} |
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} |
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|
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// onload waits for Leaflet to load |
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if (window.addEventListener) { |
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window.addEventListener('load', window.WPLeafletMapPlugin.init, false); |
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} else if (window.attachEvent) { |
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window.attachEvent('onload', window.WPLeafletMapPlugin.init); |
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} |
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})(); |
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|
