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Mini Shell
Mini Shell
(function ( $ ) {
'use strict';
// Use function construction to store map & DOM elements separately for each instance
var MapField = function ( $container ) {
this.$container = $container;
};
// Use prototype for better performance
MapField.prototype = {
// Initialize everything
init: function () {
this.initDomElements();
this.initMapElements();
this.initMarkerPosition();
this.addListeners();
this.autocomplete();
},
// Initialize DOM elements
initDomElements: function () {
this.$canvas = this.$container.find( '.rwmb-map-canvas' );
this.canvas = this.$canvas[0];
this.$coordinate = this.$container.find( '.rwmb-map-coordinate' );
this.$findButton = this.$container.find( '.rwmb-map-goto-address-button' );
this.addressField = this.$findButton.val();
},
// Initialize map elements
initMapElements: function () {
var defaultLoc = this.$canvas.data( 'default-loc' ),
latLng;
defaultLoc = defaultLoc ? defaultLoc.split( ',' ) : [53.346881, - 6.258860];
latLng = new google.maps.LatLng( defaultLoc[0], defaultLoc[1] ); // Initial position for map
this.map = new google.maps.Map( this.canvas, {
center: latLng,
zoom: 14,
streetViewControl: 0,
mapTypeId: google.maps.MapTypeId.ROADMAP
} );
this.marker = new google.maps.Marker( {position: latLng, map: this.map, draggable: true} );
this.geocoder = new google.maps.Geocoder();
},
// Initialize marker position
initMarkerPosition: function () {
var coord = this.$coordinate.val(),
l,
zoom;
if ( coord ) {
l = coord.split( ',' );
this.marker.setPosition( new google.maps.LatLng( l[0], l[1] ) );
zoom = l.length > 2 ? parseInt( l[2], 10 ) : 14;
this.map.setCenter( this.marker.position );
this.map.setZoom( zoom );
}
else if ( this.addressField ) {
this.geocodeAddress();
}
},
// Add event listeners for 'click' & 'drag'
addListeners: function () {
var that = this;
google.maps.event.addListener( this.map, 'click', function ( event ) {
that.marker.setPosition( event.latLng );
that.updateCoordinate( event.latLng );
} );
google.maps.event.addListener( this.map, 'zoom_changed', function ( event ) {
that.updateCoordinate( that.marker.getPosition() );
} );
google.maps.event.addListener( this.marker, 'drag', function ( event ) {
that.updateCoordinate( event.latLng );
} );
this.$findButton.on( 'click', function () {
that.geocodeAddress();
return false;
} );
/**
* 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 () {
var zoom = this.map.getZoom(),
center = this.map.getCenter();
if ( this.map ) {
google.maps.event.trigger( this.map, 'resize' );
this.map.setZoom( zoom );
this.map.setCenter( center );
}
},
// Autocomplete address
autocomplete: function () {
var that = this;
// No address field or more than 1 address fields, ignore
if ( ! this.addressField || this.addressField.split( ',' ).length > 1 ) {
return;
}
var $address = $( '#' + this.addressField );
// If Meta Box Geo Location installed. Do not run auto complete.
if ( $( '.rwmb-geo-binding' ).length ) {
$address.on( 'selected_address', function () {
that.$findButton.trigger( 'click' );
} );
return false;
}
$address.autocomplete( {
source: function ( request, response ) {
var options = {
'address': request.term,
'region': that.$canvas.data( 'region' )
};
that.geocoder.geocode( options, function ( results ) {
response( $.map( results, function ( item ) {
return {
label: item.formatted_address,
value: item.formatted_address,
latitude: item.geometry.location.lat(),
longitude: item.geometry.location.lng()
};
} ) );
} );
},
select: function ( event, ui ) {
var latLng = new google.maps.LatLng( ui.item.latitude, ui.item.longitude );
that.map.setCenter( latLng );
that.marker.setPosition( latLng );
that.updateCoordinate( latLng );
}
} );
},
// Update coordinate to input field
updateCoordinate: function ( latLng ) {
var zoom = this.map.getZoom();
this.$coordinate.val( latLng.lat() + ',' + latLng.lng() + ',' + zoom );
},
// Find coordinates by address
geocodeAddress: function () {
var address,
addressList = [],
fieldList = this.addressField.split( ',' ),
loop,
that = this;
for ( loop = 0; loop < fieldList.length; loop ++ ) {
addressList[loop] = jQuery( '#' + fieldList[loop] ).val();
}
address = addressList.join( ',' ).replace( /\n/g, ',' ).replace( /,,/g, ',' );
if ( address ) {
this.geocoder.geocode( {'address': address}, function ( results, status ) {
if ( status === google.maps.GeocoderStatus.OK ) {
that.map.setCenter( results[0].geometry.location );
that.marker.setPosition( results[0].geometry.location );
that.updateCoordinate( results[0].geometry.location );
}
} );
}
}
};
$( function () {
$( '.rwmb-map-field' ).each( function () {
var field = new MapField( $( this ) );
field.init();
$( this ).data( 'mapController', field );
} );
$( '.rwmb-input' ).on( 'clone', function () {
$( '.rwmb-map-field' ).each( function () {
var field = new MapField( $( this ) );
field.init();
$( this ).data( 'mapController', field );
} );
} );
} );
})( jQuery );
Zerion Mini Shell 1.0