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<?php
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// $Id: gmap_plugin_style_gmap.inc,v 1.8 2009/03/11 17:39:20 bdragon Exp $
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/**
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* @file
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* GMap style plugin.
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*/
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/**
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* Style plugin to render a map.
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*
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* @ingroup views_style_plugins
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*/
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class gmap_plugin_style_gmap extends views_plugin_style {
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/**
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* Set default options
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*/
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function option_definition() {
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$options = parent::option_definition();
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$options['macro'] = array(
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'default' => '[gmap ]',
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);
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$options['datasource'] = array(
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'default' => 'location',
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);
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$options['markers'] = array('default' => 'static');
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$options['markertype'] = array('default' => 'drupal');
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$options['latfield'] = array('default' => '');
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$options['lonfield'] = array('default' => '');
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$options['markerfield'] = array('default' => '');
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return $options;
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}
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function query() {
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if ($this->options['datasource'] == 'location') {
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$table = $this->view->query->ensure_table('location');
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$this->view->query->add_field($table, 'latitude', 'gmap_lat');
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$this->view->query->add_field($table, 'longitude', 'gmap_lon');
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}
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if ($this->options['markers'] == 'nodetype') {
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$this->view->query->add_field('node', 'type', 'gmap_node_type');
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}
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else if ($this->options['markers'] == 'taxonomy') {
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$this->view->query->add_field('gmap_taxonomy_node', 'marker', 'gmap_node_marker');
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}
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else if ($this->options['markers'] == 'userrole') {
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$this->view->query->add_field('users_roles', 'rid', 'gmap_role_marker');
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}
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}
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function render() {
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if (isset($this->view->live_preview) && $this->view->live_preview) {
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return t('GMap views are not compatible with live preview.');
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}
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if (empty($this->row_plugin)) {
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vpr('gmap_plugin_style_gmap: Missing row plugin');
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return;
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}
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$lat_field = 'gmap_lat';
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$lon_field = 'gmap_lon';
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// Determine fieldname for latitude and longitude fields.
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if ($this->options['datasource'] == 'fields') {
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$lat_field = $this->view->display_handler->get_handler('field', $this->options['latfield'])->field_alias;
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$lon_field = $this->view->display_handler->get_handler('field', $this->options['lonfield'])->field_alias;
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}
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// Determine fieldname for marker field.
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if ($this->options['markers'] == 'field') {
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$marker_field = $this->view->display_handler->get_handler('field', $this->options['markerfield'])->field_alias;
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}
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$markername = isset($this->options['markertype']) ? $this->options['markertype'] : 'drupal';
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$markertypes = variable_get('gmap_node_markers', array());
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if ($this->options['markers'] == 'nodetype') {
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$markertypes = variable_get('gmap_node_markers', array());
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}
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else if ($this->options['markers'] == 'userrole') {
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$markertypes = variable_get('gmap_role_markers', array(DRUPAL_AUTHENTICATED_RID => 'drupal'));
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}
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// Group the rows according to the grouping field, if specified.
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$sets = $this->render_grouping($this->view->result, $this->options['grouping']);
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// Render each group separately and concatenate. Plugins may override this
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// method if they wish some other way of handling grouping.
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$output = '';
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foreach ($sets as $title => $records) {
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$markers = array();
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$offsets = array();
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foreach ($records as $label => $row) {
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$lat = (float)$row->{$lat_field};
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$lon = (float)$row->{$lon_field};
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if (!empty($lat) && !empty($lon)) {
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if ($this->options['markers'] == 'nodetype') {
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if (isset($markertypes[$row->gmap_node_type])) {
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$markername = $markertypes[$row->gmap_node_type];
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}
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}
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else if ($this->options['markers'] == 'taxonomy') {
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if (!empty($row->gmap_node_marker)) {
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$markername = $row->gmap_node_marker;
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}
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}
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else if ($this->options['markers'] == 'userrole') {
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if (!empty($row->gmap_role_marker)) {
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$markername = $markertypes[DRUPAL_AUTHENTICATED_RID];
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if (isset($markertypes[$row->gmap_role_marker])) {
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$markername = $markertypes[$row->gmap_role_marker];
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}
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}
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}
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else if ($this->options['markers'] == 'field') {
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if (!empty($row->{$marker_field})) {
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$markername = $row->{$marker_field};
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}
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}
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if (!isset($offsets[$markername])) {
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$offsets[$markername] = 0;
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}
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$markers[] = array(
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'latitude' => $lat,
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'longitude' => $lon,
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'markername' => $markername,
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'offset' => $offsets[$markername],
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'text' => $this->row_plugin->render($row),
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);
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$offsets[$markername]++;
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}
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}
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if (!empty($markers)) { // Don't draw empty maps.
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$map = gmap_parse_macro($this->options['macro']);
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$map['markers'] = $markers;
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$output .= theme($this->theme_functions(), $this->view, $this->options, $map, $title);
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}
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}
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return $output;
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}
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/**
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* Render the given style.
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*/
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function options_form(&$form, &$form_state) {
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parent::options_form($form, $form_state);
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$form['macro'] = array(
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'#type' => 'textfield',
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'#title' => t('Macro'),
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'#size' => 1000,
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'#default_value' => $this->options['macro'],
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);
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$form['datasource'] = array(
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'#type' => 'select',
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'#title' => t('Data Source'),
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'#options' => array(
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'location' => t('Location.module'),
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'fields' => t('Choose latitude and longitude fields'),
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//'geocode' => t('Just-in-time geocoding on field named "address"'),
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),
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'#default_value' => $this->options['datasource'],
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'#multiple' => FALSE,
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);
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$options = array();
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$fields = $this->display->handler->get_handlers('field');
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foreach ($fields as $id => $handler) {
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$options[$id] = $handler->ui_name(FALSE);
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}
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$form['latfield'] = array(
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'#title' => t('Latitude field'),
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'#description' => t('Format must be degrees decimal.'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => $this->options['latfield'],
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-style-options-datasource' => array('fields')),
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);
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$form['lonfield'] = array(
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'#title' => t('Longitude field'),
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'#description' => t('Format must be degrees decimal.'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => $this->options['lonfield'],
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-style-options-datasource' => array('fields')),
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);
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$form['markers'] = array(
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'#type' => 'select',
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'#title' => t('Marker handling'),
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// @@@ Detect view type automatically?
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'#options' => array(
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'nodetype' => t('By content type (for node views)'),
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'taxonomy' => t('By term (for node views)'),
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'userrole' => t('By user role (for user views)'),
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'field' => t('Use marker field'),
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'static' => t('Use single marker type'),
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),
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'#default_value' => $this->options['markers'],
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);
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$form['markerfield'] = array(
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'#type' => 'select',
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'#title' => t('Marker field'),
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'#description' => t('You can use a views field to set the <em>markername</em> property of the markers.'),
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'#options' => $options,
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'#default_value' => $this->options['markerfield'],
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'#process' => array('views_process_dependency'),
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'#dependency' => array('edit-style-options-markers' => array('field')),
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);
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// Hide the taxonomy handling if gmap_taxonomy.module isn't installed.
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if (!module_exists('gmap_taxonomy')) {
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unset($form['markers']['#options']['taxonomy']);
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}
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$form['markertype'] = array(
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'#type' => 'gmap_markerchooser',
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'#title' => t('Marker / fallback marker to use'),
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'#default_value' => $this->options['markertype'],
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);
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}
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}
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