Merge tag '1.3.0'

.travis.yml

@@ -4,12 +4,18 @@ php:
   - "5.6"
   - "7.0"
   - "7.1"
+  - "7.2"
 
 env:
-  - CONTAO_VERSION=contao/core-bundle ^4.4.2
+  - CONTAO_VERSION=contao/core-bundle ~4.4.2
+  - CONTAO_VERSION=contao/core-bundle ~4.5.0
 
 matrix:
   exclude:
+    - php: 5.6
+      env: CONTAO_VERSION=contao/core-bundle ~4.5.0
+    - php: 7.0
+      env: CONTAO_VERSION=contao/core-bundle ~4.5.0
 
 sudo: false
 

CHANGELOG.md

@@ -2,6 +2,16 @@
 Changelog
 =========
 
+Version 1.3.0 (2018-02-xx)
+--------------------------
+
+[Full Changelog](https://github.com/netzmacht/contao-leaflet-geocode-widget/compare/1.2.1...1.3.0)
+
+ - Move apply button to the modal footer.
+ - Deprecate `Netzmacht\Contao\Leaflet\GeocodeWidget`. Use `Netzmacht\Contao\Leaflet\Widget\GeocodeWidget` instead.
+ - Add feature to adjust a radius.
+ - Allow Contao 4.5.0.
+
 Version 1.2.0 (2017-11-13)
 --------------------------
 

README.md

@@ -51,6 +51,8 @@ bin/console assets:install --symlink
 
 ### 4. Use the widget
 
+#### Coordinates only
+
 ```php
 $GLOBALS['TL_DCA']['tl_example']['fields']['coordinates'] = [
     'label'     => ['Koordinaten', 'Geben Sie die Koordinaten ein'],
@@ -61,3 +63,52 @@ $GLOBALS['TL_DCA']['tl_example']['fields']['coordinates'] = [
     'sql' => 'varchar(255) NOT NULL default \'\''
 ];
 ```
+
+#### Coordinates and radius
+
+To pick the radius in meters as well, you have to configure the `eval.radius` option for the related radius field.
+The radius field should be a simle text input. The `default`, `minval` and `maxval` flags are passed to the geocode 
+widget so that only radius in that boundary can be chosen.
+
+```php
+$GLOBALS['TL_DCA']['tl_page']['fields']['coordinates'] = [
+    'label'     => ['Koordinaten', 'Geben Sie die Koordinaten ein'],
+    'inputType' => 'leaflet_geocode',
+    'eval'      => [
+        'tl_class' => 'w50',
+        'radius'   => 'radius'
+    ],
+    'sql' => 'varchar(255) NOT NULL default \'\''
+];
+
+$GLOBALS['TL_DCA']['tl_page']['fields']['radius'] = [
+    'label'     => ['Radius', 'Angabe des Radius in Metern'],
+    'inputType' => 'leaflet_radius', // Optional, you can use a text widget as well
+    'eval'      => [      
+        'default'  => 500,
+        'minval'   => 100,
+        'maxval'   => 5000,
+        'steps'    => 100, // Round value to the closest 100m.
+        'tl_class' => 'w50',
+    ],
+    'sql' => 'varchar(255) NOT NULL default \'\''
+];
+```
+
+If you want to add an wizard icon to the radius field as well, you only have to reference the coordinates field.
+
+```php
+$GLOBALS['TL_DCA']['tl_page']['fields']['radius'] = [
+    'label'     => ['Radius', 'Angabe des Radius in Metern'],
+    'inputType' => 'leaflet_radius',
+    'eval'      => [
+        'rgxp'        => 'natural',
+        'default'     => 500,
+        'minval'      => 100,
+        'maxval'      => 5000,
+        'tl_class'    => 'w50 wizard',
+        'coordinates' => 'coordinates'
+    ],
+    'sql' => 'varchar(255) NOT NULL default \'\''
+];
+```

composer.json

@@ -8,13 +8,13 @@
         "leaflet"
     ],
     "type": "contao-bundle",
-    "license": "LGPL-3.0+",
+    "license": "LGPL-3.0-or-later",
     "authors": [
         {
             "name": "David Molineus",
             "email": "mail@netzmacht.de",
-            "homepage": "http://www.netzmacht.de",
-            "role": "Project leader"
+            "homepage": "https://netzmacht.de",
+            "role": "Developer"
         }
     ],
     "support": {
@@ -25,12 +25,13 @@
     },
     "require": {
         "php": ">=5.6.0",
-        "contao/core-bundle": "~4.4.0",
-        "netzmacht/contao-leaflet-libraries": "~1.0"
+        "contao/core-bundle": "^4.4.0",
+        "netzmacht/contao-leaflet-libraries": "~1.3"
     },
     "require-dev": {
         "contao/manager-plugin": "^2.0",
-        "phpcq/all-tasks": "^1.2"
+        "phpcq/all-tasks": "^1.2",
+        "php-http/guzzle6-adapter": "^1.1"
     },
     "suggest": {
         "netzmacht/contao-leaflet-maps": "Leaflet Maps for Contao"
@@ -42,8 +43,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "1.2.x-dev",
-            "dev-develop": "1.3.x-dev"
+            "dev-master": "1.3.x-dev",
+            "dev-develop": "1.4.x-dev"
         },
         "contao-manager-plugin": "Netzmacht\\Contao\\Leaflet\\GeocodeWidget\\ContaoManager\\Plugin"
     }

src/DependencyInjection/LeafletGeocodeWidgetExtension.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * Geocode backend widget based on Leaflet.
+ *
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
+ * @filesource
+ */
+
+namespace Netzmacht\Contao\Leaflet\GeocodeWidget\DependencyInjection;
+
+use Symfony\Component\Config\FileLocator;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
+
+/**
+ * Class LeafletGeocodeWidgetExtension
+ */
+class LeafletGeocodeWidgetExtension extends Extension
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function load(array $configs, ContainerBuilder $container)
+    {
+        $loader = new YamlFileLoader(
+            $container,
+            new FileLocator(dirname(__DIR__) . '/Resources/config')
+        );
+
+        $loader->load('listeners.yml');
+    }
+}

src/EventListener/RadiusWizardCallbackListener.php

@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Geocode backend widget based on Leaflet.
+ *
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
+ * @filesource
+ */
+
+namespace Netzmacht\Contao\Leaflet\GeocodeWidget\EventListener;
+
+use Contao\DataContainer;
+
+/**
+ * Class RadiusWizardCallbackListener
+ *
+ * @package Netzmacht\Contao\Leaflet\GeocodeWidget\EventListener
+ */
+class RadiusWizardCallbackListener
+{
+    /**
+     * Generate the wizard for the radius widget.
+     *
+     * @param DataContainer $dataContainer Data container driver.
+     *
+     * @return string
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    public function generateWizard($dataContainer)
+    {
+        if (!isset($GLOBALS['TL_DCA'][$dataContainer->table]['fields'][$dataContainer->field]['eval']['coordinates'])) {
+            return '';
+        }
+
+        return sprintf(
+            '<a href="#" onclick="$(\'ctrl_%s_toggle\').click();return false;"><img src="%s"></a>',
+            $GLOBALS['TL_DCA'][$dataContainer->table]['fields'][$dataContainer->field]['eval']['coordinates'],
+            'bundles/leafletgeocodewidget/img/map.png'
+        );
+    }
+}

src/GeocodeWidget.php

@@ -5,130 +5,38 @@
  *
  * @package    netzmacht
  * @author     David Molineus <david.molineus@netzmacht.de>
- * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
  * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
  * @filesource
  */
 
 namespace Netzmacht\Contao\Leaflet\GeocodeWidget;
 
+use Netzmacht\Contao\Leaflet\GeocodeWidget\Widget\GeocodeWidget as BaseWidget;
+
 /**
  * Class GeocodeWidget
  *
- * @property int  size
- * @property bool multiple
+ * @deprecated
  */
-class GeocodeWidget extends \Widget
+class GeocodeWidget extends BaseWidget
 {
     /**
-     * Submit user input.
-     *
-     * @var boolean
+     * {@inheritdoc}
      */
-    protected $blnSubmitInput = true;
-
-    /**
-     * Add a for attribute.
-     *
-     * @var boolean
-     */
-    protected $blnForAttribute = true;
-
-    /**
-     * Template.
-     *
-     * @var string
-     */
-    protected $strTemplate = 'be_widget';
-
-    /**
-     * Template name.
-     *
-     * @var string
-     */
-    protected $widgetTemplate = 'be_widget_leaflet_geocode';
-
-    /**
-     * Validate the input.
-     *
-     * @param mixed $value Given value.
-     *
-     * @return mixed
-     *
-     * @SuppressWarnings(PHPMD.Superglobals)
-     */
-    protected function validator($value)
+    public function __construct(array $arrAttributes = null)
     {
-        $value = parent::validator($value);
+        parent::__construct($arrAttributes);
 
-        if (!$value) {
-            return $value;
-        }
-
-        if (is_array($value)) {
-            foreach ($value as $key => $val) {
-                $value[$key] = $this->validator($val);
-            }
-
-            return $value;
-        }
-
-        // See: http://stackoverflow.com/a/18690202
-        if (!preg_match(
-            '#^[-+]?([1-8]?\d(\.\d+)?|90(\.0+)?),[-+]?(180(\.0+)?|((1[0-7]\d)|([1-9]?\d))(\.\d+)?)(,[-+]?\d+)?$#',
-            $value
-        )) {
-            $this->addError(
+        // @codingStandardsIgnoreStart
+        @trigger_error(
             sprintf(
-                    $GLOBALS['TL_LANG']['ERR']['leafletInvalidCoordinate'],
-                    $value
-                )
+                '"%s" is deprecated and will be removed in version 2.0.0. Use "%s" instead.',
+                GeocodeWidget::class,
+                BaseWidget::class
+            ),
+            E_USER_DEPRECATED
         );
-        }
-
-        return $value;
-    }
-
-    /**
-     * Generate the widget.
-     *
-     * @return string
-     */
-    public function generate()
-    {
-        $wrapperClass = 'wizard';
-
-        if (!$this->multiple || !$this->size) {
-            $this->size = 1;
-        } else {
-            $wrapperClass .= ' wizard_' . $this->size;
-        }
-
-        if (!is_array($this->value)) {
-            $this->value = [$this->value];
-        }
-
-        $buffer = '';
-
-        for ($index = 0; $index < $this->size; $index++) {
-            $template = new \BackendTemplate($this->widgetTemplate);
-            $template->setData(
-                [
-                    'wrapperClass' => $wrapperClass,
-                    'widget'       => $this,
-                    'value'        => \StringUtil::specialchars($this->value[$index]),
-                    'class'        => $this->strClass ? ' ' . $this->strClass : '',
-                    'id'           => $this->strId . (($this->size > 1) ? '_' . $index : ''),
-                    'name'         => $this->strName . (($this->size > 1) ? '[]' : ''),
-                    'attributes'   => $this->getAttributes(),
-                    'wizard'       => $this->wizard,
-                    'label'        => $this->strLabel,
-                ]
-            );
-
-            $buffer .= $template->parse();
-        }
-
-        return $buffer;
+        // @codingStandardsIgnoreEnd
     }
 }

src/Resources/config/listeners.yml

@@ -0,0 +1,4 @@
+services:
+  netzmacht.contao_leaflet_geocode.listeners.radius_wizard:
+    class: Netzmacht\Contao\Leaflet\GeocodeWidget\EventListener\RadiusWizardCallbackListener
+    public: true

src/Resources/contao/config/config.php

@@ -5,9 +5,10 @@
  *
  * @package    netzmacht
  * @author     David Molineus <david.molineus@netzmacht.de>
- * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
  * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
  * @filesource
  */
 
-$GLOBALS['BE_FFL']['leaflet_geocode'] = 'Netzmacht\Contao\Leaflet\GeocodeWidget\GeocodeWidget';
+$GLOBALS['BE_FFL']['leaflet_geocode'] = 'Netzmacht\Contao\Leaflet\GeocodeWidget\Widget\GeocodeWidget';
+$GLOBALS['BE_FFL']['leaflet_radius']  = 'Netzmacht\Contao\Leaflet\GeocodeWidget\Widget\RadiusWidget';

src/Resources/contao/languages/de/default.php

@@ -13,3 +13,6 @@
 $GLOBALS['TL_LANG']['ERR']['leafletInvalidCoordinate']   = 'Die angegebenen Koordinaten sind ungültig.';
 $GLOBALS['TL_LANG']['MSC']['leafletSearchPositionLabel'] = 'Suchen';
 $GLOBALS['TL_LANG']['MSC']['leafletApplyPositionLabel']  = 'Übernehmen';
+$GLOBALS['TL_LANG']['MSC']['leafletConfirmPositionLabel'] = 'Als neue Position übernehmen?';
+$GLOBALS['TL_LANG']['MSC']['leafletOkLabel']              = 'Ja';
+$GLOBALS['TL_LANG']['MSC']['leafletCancelLabel']          = 'Nein';

src/Resources/contao/languages/en/default.php

@@ -13,3 +13,6 @@
 $GLOBALS['TL_LANG']['ERR']['leafletInvalidCoordinate']    = 'Invalid coordinates given.';
 $GLOBALS['TL_LANG']['MSC']['leafletSearchPositionLabel']  = 'Search';
 $GLOBALS['TL_LANG']['MSC']['leafletApplyPositionLabel']   = 'Apply';
+$GLOBALS['TL_LANG']['MSC']['leafletConfirmPositionLabel'] = 'Set as new position';
+$GLOBALS['TL_LANG']['MSC']['leafletOkLabel']              = 'Ok';
+$GLOBALS['TL_LANG']['MSC']['leafletCancelLabel']          = 'Cancel';

src/Resources/contao/templates/be_widget_leaflet_geocode.html5

@@ -6,6 +6,12 @@ $GLOBALS['TL_CSS'][] = 'bundles/leafletgeocodewidget/css/backend.css';
 
 $GLOBALS['TL_JAVASCRIPT'][] = 'assets/leaflet/libs/leaflet/leaflet.js';
 $GLOBALS['TL_JAVASCRIPT'][] = 'assets/leaflet/libs/control-geocoder/Control.Geocoder.js';
+
+if ($this->radius) {
+    $GLOBALS['TL_CSS'][]        = 'assets/leaflet/libs/leaflet-pm/leaflet.pm.css';
+    $GLOBALS['TL_JAVASCRIPT'][] = 'assets/leaflet/libs/leaflet-pm/leaflet.pm.min.js';
+}
+
 $GLOBALS['TL_JAVASCRIPT'][] = 'bundles/leafletgeocodewidget/js/geocode.widget.js';
 
 ?>
@@ -19,15 +25,26 @@ $GLOBALS['TL_JAVASCRIPT'][] = 'bundles/leafletgeocodewidget/js/geocode.widget.js
            onfocus="Backend.getScrollOffset()"
     >
 
-    <img src="bundles/leafletgeocodewidget/img/map.png" id="ctrl_<?= $this->id ?>_toggle">
+    <a href="#"><img src="bundles/leafletgeocodewidget/img/map.png" id="ctrl_<?= $this->id ?>_toggle"></a>
 </div>
 
 <?= $this->wizard ?>
 <script>
+    window.addEvent(
+        'domready',
+        function () {
             new LeafletGeocodeWidget({
                 id: 'ctrl_<?= $this->id ?>',
                 searchPositionLabel: '<?= $GLOBALS['TL_LANG']['MSC']['leafletSearchPositionLabel'] ?>',
                 applyPositionLabel: '<?= $GLOBALS['TL_LANG']['MSC']['leafletApplyPositionLabel'] ?>',
-        modalTitle: '<?= $this->label ?>'
+                confirmPositionLabel: '<?= $GLOBALS['TL_LANG']['MSC']['leafletConfirmPositionLabel'] ?>',
+                okLabel: '<?= $GLOBALS['TL_LANG']['MSC']['leafletOkLabel'] ?>',
+                cancelLabel: '<?= $GLOBALS['TL_LANG']['MSC']['leafletCancelLabel'] ?>',
+                modalTitle: '<?= $this->label ?>'<?php if ($this->radius): ?>,
+                radius: <?= json_encode($this->radius) ?>,
+                picker: LeafletGeocodeCirclePicker
+                <?php endif ?>
             })
+        }
+    );
 </script>

src/Resources/contao/templates/be_widget_leaflet_radius.html5

@@ -0,0 +1,13 @@
+<div class="<?= $this->wrapperClass ?>">
+    <input type="text"
+           name="<?= $this->name ?>"
+           id="ctrl_<?= $this->id ?>"
+           class="tl_text tl_leaflet_geocode<?= $this->class ?>"
+           value="<?= $this->value ?>"<?= $this->attributes ?>
+           onfocus="Backend.getScrollOffset()"
+    >
+
+    <?php if ($this->coordinates): ?>
+        <a href="#" onclick="$('ctrl_<?= $this->coordinates ?>_toggle').click();return false;"><img src="bundles/leafletgeocodewidget/img/map.png"></a>,
+    <?php endif ?>
+</div>

src/Resources/public/css/backend.css

@@ -2,3 +2,25 @@
     width: 325px;
     display: inline-block;
 }
+
+.leaflet-geocode-map {
+    width: 100%;
+    height: 50vh;
+    min-height: 400px
+}
+
+.leaflet-geocode-btn {
+    margin-top: 10px;
+    display: inline-block;
+    padding: 7px 12px;
+    border: 1px solid #aaa;
+    border-radius: 2px;
+    box-sizing: border-box;
+    cursor: pointer;
+    background: #eee;
+    transition: background .2s ease;
+}
+
+.leaflet-geocode-btn + .leaflet-geocode-btn {
+    margin-left: 5px;
+}

src/Resources/public/js/geocode.widget.js

@@ -3,18 +3,151 @@
  *
  * @package    netzmacht
  * @author     David Molineus <david.molineus@netzmacht.de>
- * @copyright  2016-2017 netzmacht David Molineus. All rights reserved.
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
  * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
  * @filesource
  */
 
+var LeafletGeocodeAbstractPicker = L.Class.extend({
+    initialize: function (map, options) {
+        L.Util.setOptions(this, options);
+        this.map = map;
+    },
+    show: function (position, radius) {
+        if (!this.marker) {
+            this._createMarker(position, radius);
+        } else {
+            this._updateCoordinates(position, radius);
+        }
+
+        this._panTo(position);
+    },
+    _updateCoordinates: function (position) {
+        this.marker.setLatLng(position);
+    }
+});
+
+var LeafletGeocodeMarkerPicker = LeafletGeocodeAbstractPicker.extend({
+    apply: function (coordinatesInput) {
+        var coordinates = this.marker
+            ? ( this.marker.getLatLng().lat + ',' + this.marker.getLatLng().lng)
+            : '';
+
+        coordinatesInput.set('value', coordinates);
+    },
+    _panTo: function (position) {
+        this.map.setZoom(this.map.getMaxZoom());
+        this.map.panTo(position);
+    },
+    _createMarker: function (position) {
+        this.marker = L.marker(position, {draggable: true}).addTo(this.map);
+        this.marker.on('dragend', function () {
+            this.map.panTo(this.marker.getLatLng());
+        }.bind(this));
+    }
+});
+
+var LeafletGeocodeCirclePicker = LeafletGeocodeAbstractPicker.extend({
+    apply: function (coordinatesInput, radiusInput) {
+        var radius      = '';
+        var coordinates = this.marker
+            ? ( this.marker.getLatLng().lat + ',' + this.marker.getLatLng().lng)
+            : '';
+
+        coordinatesInput.set('value', coordinates);
+
+        if (this.marker) {
+            radius = Math.round(this.marker.getRadius());
+
+            if (this.options.radius.steps > 0) {
+                radius = (this.options.radius.steps * Math.round(radius / this.options.radius.steps));
+            }
+        }
+
+        radiusInput.set('value', radius);
+    },
+    _panTo: function () {
+        this.map.fitBounds(this.marker.getBounds());
+    },
+    _createMarker: function (position, radius) {
+        this.marker = L.circle(position, { radius: radius || this.options.radius.default });
+        this.marker.addTo(this.map);
+
+        this.marker.on('pm:markerdragend', function () {
+            var radius = this.marker.getRadius();
+
+            if (this.options.radius.steps > 0) {
+                radius = (this.options.radius.steps * Math.round(radius / this.options.radius.steps));
+            }
+
+            if (this.options.radius.min > 0 && this.options.radius.min > radius) {
+                radius = this.options.radius.min;
+            }
+
+            if (this.options.radius.max > 0 && this.options.radius.max < radius) {
+                radius = this.options.radius.max;
+            }
+
+            if (radius != this.marker.getRadius()) {
+                this.marker.pm.disable();
+                this.marker.setRadius(radius);
+                this._enableEditMode();
+            } else {
+                this.marker.pm._outerMarker.setTooltipContent(this._formatRadius(radius));
+            }
+
+            this.map.fitBounds(this.marker.getBounds());
+        }.bind(this));
+
+        this._enableEditMode();
+    },
+    _updateCoordinates: function (position,radius) {
+        this.marker.pm.disable();
+        this.marker.setLatLng(position);
+
+        if (radius !== undefined) {
+            this.marker.setRadius(radius);
+        }
+        this.marker.pm.enable();
+    },
+    _enableEditMode: function () {
+        this.marker.pm.enable();
+        this.marker.pm._outerMarker.bindTooltip(
+            this._formatRadius(this.marker.getRadius()),
+            {permanent: true, direction: 'right', offset: [10, 0] }
+        );
+    },
+    _formatRadius: function (radius) {
+        var unit = 'm';
+
+        radius = Math.floor(radius);
+
+        if (radius > 1000) {
+            unit   = 'km';
+            radius = (radius / 1000).toFixed(1);
+        }
+
+        return radius.toString() + ' ' + unit;
+    }
+});
+
 var LeafletGeocodeWidget = L.Class.extend({
     options: {
-        mapTemplate: '<div id="leaflet_geocode_widget_map_{id}" class="" style="width 100%; height: 50vh; min-height: 400px"></div>',
+        mapTemplate: '<div id="leaflet_geocode_widget_map_{id}" class="leaflet-geocode-map"></div>',
         modalWidth: 800,
         modalTitle: 'Choose coordinates',
         searchPositionLabel: 'Search',
-        applyPositionLabel: 'Apply'
+        applyPositionLabel: 'Apply',
+        confirmPositionLabel: 'Set as new position',
+        okLabel: 'Ok',
+        cancelLabel: 'Cancel',
+        radius: null,
+        picker: LeafletGeocodeMarkerPicker,
+        map: {
+            maxZoom: 15,
+            minZoom: 2
+        },
+        bboxPadding: [0, 70]
     },
     initialize: function (options) {
         L.Util.setOptions(this, options);
@@ -22,40 +155,94 @@ var LeafletGeocodeWidget = L.Class.extend({
         this.element = $(this.options.id);
         this.toggle  = $(this.options.id + '_toggle');
         this.toggle.addEvent('click', this._showMap.bind(this));
+
+        if (this.options.radius) {
+            this.radius = $(this.options.radius.element);
+
+            if (this.radius.get('value').length > 0) {
+                this.options.radius.default = parseInt(this.radius.get('value'));
+            }
+
+            if (this.options.radius.default === undefined) {
+                this.options.radius.default = 0;
+            }
+        }
     },
-    _showMap: function () {
-        var content, modal;
+    _showMap: function (e) {
+        e.stop();
 
         // Create modal window.
-        content = L.Util.template(this.options.mapTemplate, this.options);
-        modal   = this._createModal();
+        var content = L.Util.template(this.options.mapTemplate, this.options);
+        this.modal  = this._createModal();
 
-        modal.show({'title': this.options.modalTitle, 'contents': content});
+        this.modal.show({title: this.options.modalTitle, contents: content});
 
         // Initialize map after showing modal so element exists.
-        this._createMap(modal);
+        this._createMap();
     },
     _createModal: function () {
-        return new SimpleModal({
-            'width': this.options.modalWidth,
-            'hideFooter': true,
-            'draggable': false,
-            'overlayOpacity': .5,
-            'onShow': function () {
+        var modal = new SimpleModal({
+            width: this.options.modalWidth,
+            hideFooter: false,
+            draggable: false,
+            overlayOpacity: .5,
+            btn_ok: Contao.lang.close,
+            onShow: function () {
                 document.body.setStyle('overflow', 'hidden');
             },
-            'onHide': function () {
+            onHide: function () {
                 document.body.setStyle('overflow', 'auto');
             }
         });
+
+        modal.addButton(Contao.lang.apply, 'btn', function () {
+            this.picker.apply(this.element, this.radius);
+            modal.hide();
+        }.bind(this));
+
+        return modal;
     },
-    _createMap: function (modal) {
-        var map = L.map('leaflet_geocode_widget_map_' + this.options.id).setView([0, 0], 2);
+    _createMap: function () {
+        var map     = L.map('leaflet_geocode_widget_map_' + this.options.id, this.options.map).setView([0, 0], 2);
+        var radius  = 0;
+        this.picker = new this.options.picker(map, this.options);
 
         L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
             attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
         }).addTo(map);
 
+        map.on('click', function (event) {
+            var marker       = new L.marker(event.latlng).addTo(map);
+            var container    = document.createElement('div');
+            var okButton     = document.createElement('button');
+            var cancelButton = document.createElement('button');
+
+            okButton.set('class', 'leaflet-geocode-btn').appendHTML(this.options.okLabel);
+            okButton.addEvent('click', function (event) {
+                event.stop();
+
+                this.picker.show(marker.getLatLng());
+                map.removeLayer(marker);
+            }.bind(this));
+
+            cancelButton.set('class', 'leaflet-geocode-btn').appendHTML(this.options.cancelLabel);
+            cancelButton.addEvent('click', function (event) {
+                map.removeLayer(marker);
+            });
+
+            container.appendHTML('<h2>' + this.options.confirmPositionLabel + '</h2>');
+            container.appendChild(okButton);
+            container.appendChild(cancelButton);
+
+            marker.bindPopup(container, {
+                keepInView: true,
+                autoPanPaddingTopLeft: this.options.bboxPadding,
+                autoClose: false,
+                closeOnClick: false,
+                closeButton: false
+            }).openPopup();
+        }.bind(this));
+
         var geoCoder = L.Control.geocoder({
             defaultMarkGeocode: false,
             collapsed: false,
@@ -63,53 +250,15 @@ var LeafletGeocodeWidget = L.Class.extend({
         }).addTo(map);
 
         geoCoder.on('markgeocode', function (event) {
-            this._handleGeoCode.call(this, modal, map, event);
+            this.picker.show(event.geocode.center);
         }.bind(this));
 
         if (this.element.value) {
-            var value = this.element.value.split(/,/);
-            this._createMarker(value, map);
-
-            map.setZoom(16);
-            map.panTo(value);
+            if (this.radius && this.radius.get('value').length > 0) {
+                radius = parseInt(this.radius.get('value'));
             }
 
-        return map;
-    },
-    _handleGeoCode: function (modal, map, event) {
-        var container = document.createElement('div');
-        var link      = document.createElement('button');
-        var result    = event.geocode;
-
-        link.set('style', 'margin-left: 10px;');
-        link.appendText(this.options.applyPositionLabel);
-        link.addEvent('click', function (e) {
-            e.stop();
-
-            this.element.set('value', result.center.lat + ',' + result.center.lng);
-            modal.hide();
-        }.bind(this));
-
-        container.appendHTML(result.html || result.name);
-        container.appendChild(link);
-
-        if (this._geocodeMarker) {
-            map.removeLayer(this._geocodeMarker);
+            this.picker.show(L.latLng(this.element.value.split(/,/)), radius);
         }
-
-        map.fitBounds(result.bbox, { padding: [0, 70]});
-        map.panTo(result.center);
-
-        this._createMarker(result.center, map);
-        this._geocodeMarker.bindPopup(container, {
-            keepInView: true,
-            autoPanPaddingTopLeft: [0, 70]
-        }).openPopup();
-    },
-    _createMarker: function (position, map) {
-        this._geocodeMarker = L.marker(position, {draggable: true}).addTo(map);
-        this._geocodeMarker.on('dragend', function (event) {
-            this.element.set('value', event.target._latlng.lat + ',' + event.target._latlng.lng);
-        }.bind(this));
     }
 });

src/Widget/GeocodeWidget.php

@@ -0,0 +1,167 @@
+<?php
+
+/**
+ * Geocode backend widget based on Leaflet.
+ *
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
+ * @filesource
+ */
+
+namespace Netzmacht\Contao\Leaflet\GeocodeWidget\Widget;
+
+/**
+ * Class GeocodeWidget
+ *
+ * @property int  size
+ * @property bool multiple
+ */
+class GeocodeWidget extends \Widget
+{
+    /**
+     * Submit user input.
+     *
+     * @var boolean
+     */
+    protected $blnSubmitInput = true;
+
+    /**
+     * Add a for attribute.
+     *
+     * @var boolean
+     */
+    protected $blnForAttribute = true;
+
+    /**
+     * Template.
+     *
+     * @var string
+     */
+    protected $strTemplate = 'be_widget';
+
+    /**
+     * Template name.
+     *
+     * @var string
+     */
+    protected $widgetTemplate = 'be_widget_leaflet_geocode';
+
+    /**
+     * Validate the input.
+     *
+     * @param mixed $value Given value.
+     *
+     * @return mixed
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    protected function validator($value)
+    {
+        $value = parent::validator($value);
+
+        if (!$value) {
+            return $value;
+        }
+
+        if (is_array($value)) {
+            foreach ($value as $key => $val) {
+                $value[$key] = $this->validator($val);
+            }
+
+            return $value;
+        }
+
+        // See: http://stackoverflow.com/a/18690202
+        if (!preg_match(
+            '#^[-+]?([1-8]?\d(\.\d+)?|90(\.0+)?),[-+]?(180(\.0+)?|((1[0-7]\d)|([1-9]?\d))(\.\d+)?)(,[-+]?\d+)?$#',
+            $value
+        )) {
+            $this->addError(
+                sprintf(
+                    $GLOBALS['TL_LANG']['ERR']['leafletInvalidCoordinate'],
+                    $value
+                )
+            );
+        }
+
+        return $value;
+    }
+
+    /**
+     * Generate the widget.
+     *
+     * @return string
+     */
+    public function generate()
+    {
+        $wrapperClass = 'wizard';
+
+        if (!$this->multiple || !$this->size) {
+            $this->size = 1;
+        } else {
+            $wrapperClass .= ' wizard_' . $this->size;
+        }
+
+        if (!is_array($this->value)) {
+            $this->value = [$this->value];
+        }
+
+        $buffer = '';
+
+        for ($index = 0; $index < $this->size; $index++) {
+            $template = new \BackendTemplate($this->widgetTemplate);
+            $template->setData(
+                [
+                    'wrapperClass' => $wrapperClass,
+                    'widget'       => $this,
+                    'value'        => \StringUtil::specialchars($this->value[$index]),
+                    'class'        => $this->strClass ? ' ' . $this->strClass : '',
+                    'id'           => $this->strId . (($this->size > 1) ? '_' . $index : ''),
+                    'name'         => $this->strName . (($this->size > 1) ? '[]' : ''),
+                    'attributes'   => $this->getAttributes(),
+                    'wizard'       => $this->wizard,
+                    'label'        => $this->strLabel,
+                    'radius'       => $this->buildRadiusOptions()
+                ]
+            );
+
+            $buffer .= $template->parse();
+        }
+
+        return $buffer;
+    }
+
+    /**
+     * Build the radius options.
+     *
+     * @return array|null
+     *
+     * @SuppressWarnings(PHPMD.Superglobals)
+     */
+    private function buildRadiusOptions()
+    {
+        if (!$this->radius || !isset($GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->radius])) {
+            return null;
+        }
+
+        $options = [
+            'element'      => 'ctrl_' . $this->radius,
+            'min'          => 0,
+            'max'          => 0,
+            'defaultValue' => 0
+        ];
+
+        if (isset($GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->radius]['eval'])) {
+            $config = $GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->radius]['eval'];
+
+            $options['min']          = isset($config['minval']) ? (int) $config['minval'] : 0;
+            $options['max']          = isset($config['maxval']) ? (int) $config['maxval'] : 0;
+            $options['defaultValue'] = isset($config['default']) ? (int) $config['default'] : 0;
+            $options['steps']        = isset($config['steps']) ? (int) $config['steps'] : 0;
+        }
+
+        return $options;
+    }
+}

src/Widget/RadiusWidget.php

@@ -0,0 +1,99 @@
+<?php
+
+/**
+ * Geocode backend widget based on Leaflet.
+ *
+ * @package    netzmacht
+ * @author     David Molineus <david.molineus@netzmacht.de>
+ * @copyright  2016-2018 netzmacht David Molineus. All rights reserved.
+ * @license    LGPL-3.0 https://github.com/netzmacht/contao-leaflet-geocode-widget/blob/master/LICENSE
+ * @filesource
+ */
+
+namespace Netzmacht\Contao\Leaflet\GeocodeWidget\Widget;
+
+use Contao\BackendTemplate;
+use Contao\TextField;
+
+/**
+ * Class RadiusWidget
+ */
+class RadiusWidget extends TextField
+{
+    /**
+     * Template name.
+     *
+     * @var string
+     */
+    protected $widgetTemplate = 'be_widget_leaflet_radius';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __get($strKey)
+    {
+        if ($strKey === 'rgxp') {
+            return 'natural';
+        }
+
+        return parent::__get($strKey);
+    }
+
+    /**
+     * Generate the widget.
+     *
+     * @return string
+     */
+    public function generate()
+    {
+        $wrapperClass = $this->coordinates ? 'wizard' : '';
+
+        if (!$this->multiple || !$this->size) {
+            $this->size = 1;
+        } else {
+            $wrapperClass .= ' wizard_' . $this->size;
+        }
+
+        if (!is_array($this->value)) {
+            $this->value = [$this->value];
+        }
+
+        $buffer = '';
+
+        for ($index = 0; $index < $this->size; $index++) {
+            $template = new BackendTemplate($this->widgetTemplate);
+            $template->setData(
+                [
+                    'wrapperClass' => trim($wrapperClass),
+                    'widget'       => $this,
+                    'value'        => \StringUtil::specialchars($this->value[$index]),
+                    'class'        => $this->strClass ? ' ' . $this->strClass : '',
+                    'id'           => $this->strId . (($this->size > 1) ? '_' . $index : ''),
+                    'name'         => $this->strName . (($this->size > 1) ? '[]' : ''),
+                    'attributes'   => $this->getAttributes(),
+                    'wizard'       => $this->wizard,
+                    'label'        => $this->strLabel,
+                    'coordinates'  => $this->coordinates
+                ]
+            );
+
+            $buffer .= $template->parse();
+        }
+
+        return $buffer;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function validator($varInput)
+    {
+        if (is_numeric($varInput) && $this->steps > 0) {
+            $steps    = (int) $this->steps;
+            $varInput = (int) $varInput;
+            $varInput = ($steps * round($varInput / $steps));
+        }
+
+        return parent::validator($varInput);
+    }
+}