openlayers_views_style_data_image.inc in Openlayers 7.2
This file holds style plugin for OpenLayers Views
File
modules/openlayers_views/views/openlayers_views_style_data_image.incView source
<?php
/**
* @file
* This file holds style plugin for OpenLayers Views
*
* @ingroup openlayers
*/
/**
* @class
* Extension of the Views Plugin Style for OpenLayers
*
* This class extended the default views plugin class to provide
* a style plugin for the Open Layers module.
*/
class openlayers_views_style_data_image extends views_plugin_style {
/**
* Set default options
*
* Overrides views_plugin_style->option_definition
*/
function option_definition() {
$options = parent::option_definition();
$options['config'] = array();
return $options;
}
/**
* Render the map.
*
* Overrides views_plugin_style->render
*/
function render() {
$view = $this->view;
// Render fields to trigger rewriting and other field processing.
$this->view->style_plugin
->render_fields($this->view->result);
$image_field = isset($this->options['config']['image_field']) ? $this->options['config']['image_field'] : NULL;
$factor_x = !empty($this->options['config']['factors']['x']) ? $this->options['config']['factors']['x'] : 1;
$factor_y = !empty($this->options['config']['factors']['y']) ? $this->options['config']['factors']['y'] : 1;
$numzoomlevels = !empty($this->options['config']['numZoomLevels']) ? $this->options['config']['numZoomLevels'] : 1;
$maxextent = !empty($this->options['config']['maxExtent']) ? $this->options['config']['maxExtent'] : NULL;
foreach ($this->view->result as $count => $row) {
if (isset($view->style_plugin->rendered_fields[$count][$image_field])) {
$image = $view->style_plugin->rendered_fields[$count][$image_field];
$value = $view->style_plugin
->get_field_value($count, $image_field);
$field_output = array_shift($value);
$data[] = array(
'file' => $image,
'size' => array(
'w' => floatval($field_output['width']),
'h' => floatval($field_output['height']),
),
'factors' => array(
'x' => floatval($factor_x),
'y' => floatval($factor_y),
),
'numZoomLevels' => floatval($numzoomlevels),
'maxExtent' => $maxextent,
);
}
}
if (!empty($data)) {
// Skip rendering if view is being edited or previewed.
if (empty($this->view->live_preview)) {
return $data[0];
}
else {
return print_r($data[0], 1);
}
}
else {
return '';
}
}
/**
* Options form
*
* Overrides views_plugin_style->options_form
*/
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
// Get list of fields in this view & flag available geodata fields
$handlers = $this->display->handler
->get_handlers('field');
// Check for any fields, as the view needs them
if (empty($handlers)) {
$form['error_markup'] = array(
'#value' => t('You need to enable at least one field before you can ' . 'configure your field settings'),
'#prefix' => '<div class="error form-item description">',
'#suffix' => '</div>',
);
return;
}
$fields = array();
foreach ($handlers as $field_id => $handler) {
$fields[$field_id] = $handler
->ui_name();
}
$form['config'] = array(
'#type' => 'fieldset',
'#tree' => TRUE,
'#title' => t('Image Source'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
);
$form['config']['image_field'] = array(
'#type' => 'select',
'#title' => t('Map Data Sources'),
'#description' => t('Choose which sources of data that the map will ' . 'provide features for.'),
'#options' => $fields,
'#default_value' => $this->options['config']['image_field'],
);
$form['config']['factors'] = array(
'#tree' => TRUE,
'x' => array(
'#title' => 'Width divider',
'#type' => 'textfield',
'#default_value' => isset($this->options['config']['factors']['x']) ? $this->options['config']['factors']['x'] : 1,
'#description' => t('Width divider.'),
),
'y' => array(
'#title' => 'Height divider',
'#type' => 'textfield',
'#default_value' => isset($this->options['config']['factors']['y']) ? $this->options['config']['factors']['y'] : 1,
'#description' => t('Height divider.'),
),
);
$form['config']['maxExtent'] = array(
'#type' => 'textfield',
'#title' => t('Max Extent'),
'#default_value' => isset($this->options['config']['maxExtent']) ? implode(', ', $this->options['config']['maxExtent']) : '',
'#description' => t('Should consist of four values (left, bottom, right, top). The maximum extent for the layer. Image is stretched to cover whole map if left empty.'),
);
$form['config']['numZoomLevels'] = array(
'#title' => 'Zoomlevels',
'#type' => 'textfield',
'#default_value' => isset($this->options['config']['numZoomLevels']) ? $this->options['config']['numZoomLevels'] : 1,
);
}
}
Classes
Name![]() |
Description |
---|---|
openlayers_views_style_data_image | @class Extension of the Views Plugin Style for OpenLayers |