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leaflet_field-v4.php
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<?php
class acf_field_leaflet_field extends acf_field
{
// vars
var $settings, // will hold info such as dir / path
$defaults; // will hold default field options
// holds information about supported tile-providers
static $map_providers = array(
'openstreetmap' => array(
'url' => 'http://tile.openstreetmap.org/{z}/{x}/{y}.png',
'requires_key' => false,
'nicename' => 'OpenStreetMap',
'attribution' => 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors'
),
'openstreetmap_blackandwhite' => array(
'url' => 'http://{s}.www.toolserver.org/tiles/bw-mapnik/{z}/{x}/{y}.png',
'requires_key' => false,
'nicename' => 'OpenStreetMap Black and White',
'attribution' => '© <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>'
),
'cloudmade' => array(
'url' => "http://{s}.tile.cloudmade.com/{api_key}/997/256/{z}/{x}/{y}.png",
'requires_key' => true,
'nicename' => 'CloudMade',
'attribution' => 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="http://cloudmade.com">CloudMade</a>'
)
);
/*
* __construct
*
* Set name / label needed for actions / filters
*
* @since 3.6
* @date 23/01/13
*/
function __construct()
{
// vars
$this->name = 'leaflet_field';
$this->label = __( 'Leaflet Field' );
$this->category = __( 'Content','acf' ); // Basic, Content, Choice, etc
$this->defaults = array(
'lat' => '55.606',
'lng' => '13.002',
'zoom_level' => 13,
'height' => 400,
'api_key' => '',
'map_provider' => 'openstreetmap',
);
// do not delete!
parent::__construct();
// settings
$this->settings = array(
'path' => apply_filters( 'acf/helpers/get_path', __FILE__ ),
'dir' => apply_filters( 'acf/helpers/get_dir', __FILE__ ),
'version' => '1.2.1'
);
add_action( 'acf/field_group/admin_head', array( $this, 'conditional_options' ) );
}
/*
* create_options()
*
* Create extra options for your field. This is rendered when editing a field.
* The value of $field['name'] can be used (like below) to save extra data to the $field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field - an array holding all the field's data
*/
function create_options( $field )
{
// defaults
$field = array_merge($this->defaults, $field);
// key is needed in the field names to correctly save the data
$key = $field['name'];
$providers = array();
foreach( acf_field_leaflet_field::$map_providers as $key => $value ) {
$providers[$key] = $value['nicename'];
}
// Create Field Options HTML
?>
<tr class="leaflet_field_map_provider_field field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Map provider','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('Select map provider','acf-leaflet-field'); ?></p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'radio',
'name' => 'fields['.$key.'][map_provider]',
'value' => $field['map_provider'],
'layout' => 'horizontal',
'choices' => $providers
));
?>
</td>
</tr>
<tr class="leaflet_field_api_key_field field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Cloudmade API-key','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('Register for an API-key at ','acf-leaflet-field'); ?><a href="http://account.cloudmade.com/register" target="_blank">CloudMade</a>.</p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'text',
'name' => 'fields['.$key.'][api_key]',
'value' => $field['api_key']
));
?>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Zoom level','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('','acf-leaflet-field'); ?></p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'number',
'name' => 'fields['.$key.'][zoom_level]',
'value' => $field['zoom_level']
));
?>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Latitude','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('','acf-leaflet-field'); ?></p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'number',
'name' => 'fields['.$key.'][lat]',
'value' => $field['lat']
));
?>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Longitude','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('','acf-leaflet-field'); ?></p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'number',
'name' => 'fields['.$key.'][lng]',
'value' => $field['lng']
));
?>
</td>
</tr>
<tr class="field_option field_option_<?php echo $this->name; ?>">
<td class="label">
<label><?php _e('Height','acf-leaflet-field'); ?></label>
<p class="description"><?php _e('The map needs a specified height to be rendered correctly.','acf-leaflet-field'); ?></p>
</td>
<td>
<?php
do_action('acf/create_field', array(
'type' => 'number',
'name' => 'fields['.$key.'][height]',
'value' => $field['height']
));
?>
</td>
</tr>
<?php
}
/*
* ACF { Conditional Logic
*
* @description: hide / show fields based on a "trigger" field
* @created: 17/07/12
*/
function conditional_options()
{
?>
<style type="text/css">
.leaflet_field_api_key_field {
display: none;
}
</style>
<script type="text/javascript">
(function($){
/*
* Map provider change
*/
$(document).on('change', '.leaflet_field_map_provider_field input' , function(){
// vars
var value = $(this).val();
<?php
// iterate map providers and check if they require an api-key
$conditions = '';
foreach( acf_field_leaflet_field::$map_providers as $key => $map_provider )
{
$conditions .= 'if( value == "' . $key . '" ) { $(this).parents(".leaflet_field_map_provider_field").siblings(".leaflet_field_api_key_field").';
if( $map_provider['requires_key'] )
{
$conditions .= 'show';
}
else {
$conditions .= 'hide';
}
$conditions .= '(); }';
}
echo $conditions;
?>
});
})(jQuery);
</script>
<?php
}
/*
* create_field()
*
* Create the HTML interface for your field
*
* @param $field - an array holding all the field's data
*
* @type action
* @since 3.6
* @date 23/01/13
*/
function create_field( $field )
{
// defaults
$field = array_merge($this->defaults, $field);
// Build an unique id based on ACF's one.
$pattern = array( '/\[/', '/\]/' );
$replace = array( '_', '' );
$uid = preg_replace($pattern, $replace, $field['name']);
$field['id'] = $uid;
// resolve tile-layer and attribution
$tile_layer = str_replace( '{api_key}', $field['api_key'], acf_field_leaflet_field::$map_providers[$field['map_provider']]['url'] );
$attribution = acf_field_leaflet_field::$map_providers[$field['map_provider']]['attribution'];
// include the javascript
include_once("js/input.js.php");
// render the field container,
?>
<div id="leaflet_field-wrapper_<?php echo $uid; ?>" class="tool-marker-active">
<input type="hidden" value='<?php echo $field['value']; ?>' id="field_<?php echo $uid; ?>" name="<?php echo $field['name']; ?>" data-zoom-level="<?php echo $field['zoom_level']; ?>" data-lat="<?php echo $field['lat']; ?>" data-lng="<?php echo $field['lng']; ?>" />
<div class="leaflet-map" data-uid="<?php echo $uid; ?>" data-tile-layer="<?php echo $tile_layer; ?>" data-attribution='<?php echo $attribution; ?>'>
<div id="map_<?php echo $uid; ?>" style="height:<?php echo $field['height']; ?>px;"></div>
</div>
</div>
<?php
}
/*
* input_admin_enqueue_scripts()
*
* This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.
* Use this action to add css + javascript to assist your create_field() action.
*
* $info http://codex.wordpress.org/Plugin_API/Action_Reference/admin_enqueue_scripts
* @type action
* @since 3.6
* @date 23/01/13
*/
function input_admin_enqueue_scripts()
{
// styles
wp_enqueue_style( 'leaflet', plugins_url( '/js/leaflet/leaflet.css', __FILE__ ), array(), '0.7.3', 'all' );
wp_enqueue_style( 'leaflet.draw', plugins_url( '/js/Leaflet.draw/dist/leaflet.draw.css', __FILE__ ), array(), 'ccca4b11ba4ff545433bf70f610b215053a2615e', 'all' );
wp_enqueue_style( 'icomoon', plugins_url( '/css/icomoon/style.css', __FILE__ ), array(), '1.0.0', 'all' );
wp_enqueue_style( 'leaflet-field', plugins_url( '/css/input.css', __FILE__ ), array( 'leaflet', 'icomoon' ), '1', 'all' );
// scripts
wp_enqueue_script( 'jquery' );
wp_register_script( 'leaflet', plugins_url( '/js/leaflet/leaflet.js', __FILE__ ), array(), '0.7.3', false );
wp_register_script( 'leaflet.draw', plugins_url( '/js/Leaflet.draw/dist/leaflet.draw.js', __FILE__ ), array( 'leaflet' ), 'ccca4b11ba4ff545433bf70f610b215053a2615e', false );
wp_enqueue_script( 'leaflet' );
wp_enqueue_script( 'leaflet.draw' );
}
/*
* input_admin_head()
*
* This action is called in the admin_head action on the edit screen where your field is created.
* Use this action to add css and javascript to assist your create_field() action.
*
* @info http://codex.wordpress.org/Plugin_API/Action_Reference/admin_head
* @type action
* @since 3.6
* @date 23/01/13
*/
function input_admin_head()
{
// Note: This function can be removed if not used
}
/*
* field_group_admin_enqueue_scripts()
*
* This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.
* Use this action to add css + javascript to assist your create_field_options() action.
*
* $info http://codex.wordpress.org/Plugin_API/Action_Reference/admin_enqueue_scripts
* @type action
* @since 3.6
* @date 23/01/13
*/
function field_group_admin_enqueue_scripts()
{
// Note: This function can be removed if not used
}
/*
* field_group_admin_head()
*
* This action is called in the admin_head action on the edit screen where your field is edited.
* Use this action to add css and javascript to assist your create_field_options() action.
*
* @info http://codex.wordpress.org/Plugin_API/Action_Reference/admin_head
* @type action
* @since 3.6
* @date 23/01/13
*/
function field_group_admin_head()
{
// Note: This function can be removed if not used
}
/*
* load_value()
*
* This filter is appied to the $value after it is loaded from the db
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value found in the database
* @param $post_id - the $post_id from which the value was loaded from
* @param $field - the field array holding all the field options
*
* @return $value - the value to be saved in te database
*/
function load_value( $value, $post_id, $field )
{
// Note: This function can be removed if not used
return $value;
}
/*
* update_value()
*
* This filter is appied to the $value before it is updated in the db
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value which will be saved in the database
* @param $post_id - the $post_id of which the value will be saved
* @param $field - the field array holding all the field options
*
* @return $value - the modified value
*/
function update_value( $value, $post_id, $field )
{
// Note: This function can be removed if not used
return $value;
}
/*
* format_value()
*
* This filter is appied to the $value after it is loaded from the db and before it is passed to the create_field action
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value which was loaded from the database
* @param $post_id - the $post_id from which the value was loaded
* @param $field - the field array holding all the field options
*
* @return $value - the modified value
*/
function format_value( $value, $post_id, $field )
{
// defaults?
/*
$field = array_merge($this->defaults, $field);
*/
// perhaps use $field['preview_size'] to alter the $value?
// Note: This function can be removed if not used
return $value;
}
/*
* format_value_for_api()
*
* This filter is appied to the $value after it is loaded from the db and before it is passed back to the api functions such as the_field
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value - the value which was loaded from the database
* @param $post_id - the $post_id from which the value was loaded
* @param $field - the field array holding all the field options
*
* @return $value - the modified value
*/
function format_value_for_api( $value, $post_id, $field )
{
// defaults?
$field = array_merge( $this->defaults, $field );
// format value
$value = json_decode( $value );
// Note: This function can be removed if not used
return $value;
}
/*
* load_field()
*
* This filter is appied to the $field after it is loaded from the database
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $field - the field array holding all the field options
*
* @return $field - the field array holding all the field options
*/
function load_field( $field )
{
// Note: This function can be removed if not used
return $field;
}
/*
* update_field()
*
* This filter is appied to the $field before it is saved to the database
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $field - the field array holding all the field options
* @param $post_id - the field group ID (post_type = acf)
*
* @return $field - the modified field
*/
function update_field( $field, $post_id )
{
// Note: This function can be removed if not used
return $field;
}
}
// create field
new acf_field_leaflet_field();
?>