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Mini Shell
Mini Shell
( function( $, L ) {
'use strict';
var osmTileLayer = L.tileLayer( 'https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
} );
// Use function construction to store map & DOM elements separately for each instance
var OsmField = function ( $container ) {
this.$container = $container;
};
// Use prototype for better performance
OsmField.prototype = {
// Initialize everything
init: function () {
this.initDomElements();
this.initMapElements();
this.initMarkerPosition();
this.addListeners();
this.autocomplete();
},
// Initialize DOM elements
initDomElements: function () {
this.$canvas = this.$container.find( '.rwmb-osm-canvas' );
this.canvas = this.$canvas[0];
this.$coordinate = this.$container.find( '.rwmb-osm-coordinate' );
this.$findButton = this.$container.find( '.rwmb-osm-goto-address-button' );
this.addressField = this.$container.data( 'address-field' );
},
// Initialize map elements
initMapElements: function () {
var defaultLoc = this.$canvas.data( 'default-loc' ),
latLng;
defaultLoc = defaultLoc ? defaultLoc.split( ',' ) : [53.346881, -6.258860];
latLng = L.latLng( defaultLoc[0], defaultLoc[1] ); // Initial position for map.
this.map = L.map( this.canvas, {
center: latLng,
zoom: 14
} );
this.map.addLayer( osmTileLayer );
this.marker = L.marker( latLng, {
draggable: true
} ).addTo( this.map );
},
// Initialize marker position
initMarkerPosition: function () {
var coordinate = this.$coordinate.val(),
location,
zoom;
if ( coordinate ) {
location = coordinate.split( ',' );
var latLng = L.latLng( location[0], location[1] );
this.marker.setLatLng( latLng );
zoom = location.length > 2 ? parseInt( location[2], 10 ) : 14;
this.map.panTo( latLng );
this.map.setZoom( zoom );
} else if ( this.addressField ) {
this.geocodeAddress();
}
},
// Add event listeners for 'click' & 'drag'
addListeners: function () {
var that = this;
this.map.on( 'click', function ( event ) {
that.marker.setLatLng( event.latlng );
that.updateCoordinate( event.latlng );
} );
this.map.on( 'zoom', function () {
that.updateCoordinate( that.marker.getLatLng() );
} );
this.marker.on( 'drag', function () {
that.updateCoordinate( that.marker.getLatLng() );
} );
this.$findButton.on( 'click', function ( e ) {
e.preventDefault();
that.geocodeAddress();
} );
/**
* Add a custom event that allows other scripts to refresh the maps when needed
* For example: when maps is in tabs or hidden div (this is known issue of Google Maps)
*
* @see https://developers.google.com/maps/documentation/javascript/reference ('resize' Event)
*/
$( window ).on( 'rwmb_map_refresh', function () {
that.refresh();
} );
// Refresh on meta box hide and show
$( document ).on( 'postbox-toggled', function () {
that.refresh();
} );
// Refresh on sorting meta boxes
$( '.meta-box-sortables' ).on( 'sortstop', function () {
that.refresh();
} );
},
refresh: function () {
if ( ! this.map ) {
return;
}
this.map.invalidateSize();
this.map.panTo( this.map.getCenter() );
},
// Autocomplete address
autocomplete: function () {
var that = this,
$address = this.getAddressField();
if ( null === $address ) {
return;
}
// If Meta Box Geo Location installed. Do not run auto complete.
if ( $( '.rwmb-geo-binding' ).length ) {
$address.on( 'selected_address', that.geocodeAddress );
return;
}
$address.autocomplete( {
source: function ( request, response ) {
$.get( 'https://nominatim.openstreetmap.org/search', {
format: 'json',
q: request.term,
countrycodes: that.$canvas.data( 'region' ),
"accept-language": that.$canvas.data( 'language' )
}, function( results ) {
if ( ! results.length ) {
response( [ {
value: '',
label: RWMB_Osm.no_results_string
} ] );
return;
}
response( results.map( function ( item ) {
return {
label: item.display_name,
value: item.display_name,
latitude: item.lat,
longitude: item.lon
};
} ) );
}, 'json' );
},
select: function ( event, ui ) {
var latLng = L.latLng( ui.item.latitude, ui.item.longitude );
that.map.panTo( latLng );
that.marker.setLatLng( latLng );
that.updateCoordinate( latLng );
}
} );
},
// Update coordinate to input field
updateCoordinate: function ( latLng ) {
var zoom = this.map.getZoom();
this.$coordinate.val( latLng.lat + ',' + latLng.lng + ',' + zoom );
},
// Find coordinates by address
geocodeAddress: function () {
var address = this.getAddress(),
that = this;
if ( ! address ) {
return;
}
$.get( 'https://nominatim.openstreetmap.org/search', {
format: 'json',
q: address,
limit: 1,
countrycodes: that.$canvas.data( 'region' ),
"accept-language": that.$canvas.data( 'language' )
}, function( result ) {
if ( result.length !== 1 ) {
return;
}
var latLng = L.latLng( result[0].lat, result[0].lon );
that.map.panTo( latLng );
that.marker.setLatLng( latLng );
that.updateCoordinate( latLng );
}, 'json' );
},
// Get the address field.
getAddressField: function() {
// No address field or more than 1 address fields, ignore
if ( ! this.addressField || this.addressField.split( ',' ).length > 1 ) {
return null;
}
return this.findAddressField( this.addressField );
},
// Get the address value for geocoding.
getAddress: function() {
var that = this;
return this.addressField.split( ',' )
.map( function( part ) {
part = that.findAddressField( part );
return null === part ? '' : part.val();
} )
.join( ',' ).replace( /\n/g, ',' ).replace( /,,/g, ',' );
},
// Find address field based on its name attribute. Auto search inside groups when needed.
findAddressField: function( fieldName ) {
// Not in a group.
var $address = $( 'input[name="' + fieldName + '"]');
if ( $address.length ) {
return $address;
}
// If map and address is inside a cloneable group.
$address = this.$container.closest( '.rwmb-group-clone' ).find( 'input[name*="[' + fieldName + ']"]' );
if ( $address.length ) {
return $address;
}
// If map and address is inside a non-cloneable group.
$address = this.$container.closest( '.rwmb-group-wrapper' ).find( 'input[name*="[' + fieldName + ']"]' );
if ( $address.length ) {
return $address;
}
return null;
}
};
function update() {
$( '.rwmb-osm-field' ).each( function () {
var $this = $( this ),
controller = $this.data( 'osmController' );
if ( controller ) {
return;
}
controller = new OsmField( $this );
controller.init();
$this.data( 'osmController', controller );
} );
}
$( function () {
update();
$( '.rwmb-input' ).on( 'clone', update );
} );
} )( jQuery, L );
Zerion Mini Shell 1.0