openlayers_ui.maps.inc in Openlayers 7.2
This file holds the functions handling maps in the Openlayers UI.
File
modules/openlayers_ui/includes/openlayers_ui.maps.incView source
<?php
/**
* @file
* This file holds the functions handling maps in the
* Openlayers UI.
*
* @ingroup openlayers
*/
/**
* Form submit for map add form, for the projection add ahah
*/
function openlayers_ui_maps_add_projection_submit($form, &$form_state) {
unset($form_state['submit_handlers']);
form_execute_handlers('submit', $form, $form_state);
$form_state['rebuild'] = TRUE;
}
/**
* OpenLayers AHAH
*
* Function to handle the AHAH request of the openlayers form
*/
function openlayers_ui_map_ahah() {
$form_state = array(
'storage' => NULL,
'submitted' => FALSE,
);
$form_build_id = $_POST['form_build_id'];
$form = form_get_cache($form_build_id, $form_state);
// Get variables
$args = $form['#parameters'];
$form_id = array_shift($args);
$form_state['post'] = $form['#post'] = $_POST;
$form['#programmed'] = $form['#redirect'] = FALSE;
// Reprocess form with new form state
drupal_process_form($form_id, $form, $form_state);
// Rebuild form and remove any submit handlers
$form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
// Unset wrapper and create output
$output = theme('status_messages') . drupal_render($form['layerstyles']);
// Final rendering callback.
drupal_json(array(
'status' => TRUE,
'data' => $output,
));
}
/**
* Process form submission into a map array.
*
* @param $values
* Array of values to process.
* @return
* Map data array.
*/
function openlayers_ui_maps_form_process($values = array()) {
// Valid keys that we will cherry-pick from the form values.
$keys = array(
'width',
'height',
'image_path',
'css_path',
'proxy_host',
'hide_empty_map',
'center',
'behaviors',
'layers',
'layer_weight',
'layer_styles',
'layer_styles_select',
'layer_styles_temporary',
'layer_activated',
'layer_switcher',
'projections',
'styles',
);
// TODO: eliminate this process, too much disconnect between
// forms and data
$processed = array();
foreach ($keys as $key) {
switch ($key) {
case 'behaviors':
$processed['behaviors'] = array();
foreach ($values['behaviors'] as $behavior => $settings) {
if ($settings['enabled']) {
$processed['behaviors'][$behavior] = isset($settings['options_set']['options']) ? $settings['options_set']['options'] : array();
}
}
break;
case 'projections':
$processed['projection'] = $values['layerstyles']['projections']['easy_projection'];
$processed['displayProjection'] = $values['layerstyles']['projections']['displayProjection'];
break;
case 'layers':
// Put the default layer in the right place.
// TODO: finish port here
$processed['default_layer'] = $values['layerstyles']['layers']['default_layer'];
$baselayers = array_filter($values['layerstyles']['layers']['baselayers']);
$overlays = isset($values['layerstyles']['layers']['overlays']) ? array_filter($values['layerstyles']['layers']['overlays']) : array();
// Sort overlay layers by weight, in case browser didn't
// send them already sorted
if (isset($values['layerstyles']['layer_weight'])) {
$overlays = array();
asort($values['layerstyles']['layer_weight']);
foreach (array_keys($values['layerstyles']['layer_weight']) as $layer_key) {
if ($values['layerstyles']['layers']['overlays'][$layer_key]) {
$overlays[$layer_key] = $layer_key;
}
}
// TODO: Above code is terrrrrrrrible. rewrite when I have the time
}
// Merge our different layer sections together
$processed['layers'] = array_merge($baselayers, $overlays);
break;
case 'layer_weight':
case 'layer_styles':
case 'layer_styles_select':
case 'layer_styles_temporary':
case 'layer_activated':
case 'layer_switcher':
case 'projections':
case 'styles':
$processed[$key] = isset($values['layerstyles'][$key]) ? $values['layerstyles'][$key] : array();
break;
default:
// $processed[$key] = is_array($values[$key]) ?
// array_filter($values[$key]) : $values[$key];
$processed[$key] = isset($values[$key]) ? $values[$key] : array();
break;
}
}
// Ensure these values are arrays
$ensure_array = array(
'behaviors',
'layers',
'layer_weight',
'layer_styles',
'layer_styles_select',
'layer_styles_temporary',
'styles',
);
foreach ($ensure_array as $key) {
if (empty($processed[$key])) {
$processed[$key] = array();
}
}
return $processed;
}
/**
* Get behavior options.
*/
function openlayers_ui_get_behavior_options($type, $defaults) {
$form = array();
$behaviors = openlayers_behaviors();
$enabled_behaviors = array();
foreach ($defaults['behaviors'] as $key => $options) {
$enabled_behaviors[$key] = $behaviors[$key];
unset($behaviors[$key]);
}
// Ordering behaviors
// First display the enabled, then the disabled.
uasort($enabled_behaviors, '_openlayers_ui_sort_behaviors');
uasort($behaviors, '_openlayers_ui_sort_behaviors');
$behaviors = array_merge($enabled_behaviors, $behaviors);
foreach ($behaviors as $key => $plugin) {
// Get behavior class
$class = ctools_plugin_load_class('openlayers', 'behaviors', $key, 'behavior');
if (!empty($class)) {
$options = isset($defaults['behaviors'][$key]) ? $defaults['behaviors'][$key] : array();
$behavior = new $class($options, $defaults);
if (!isset($plugin['ui_visibility']) || $plugin['ui_visibility']) {
// Create basic form structure for behavior
$form[$key] = array(
'#type' => 'fieldset',
'#title' => $plugin['title'],
'#collapsible' => TRUE,
'#collapsed' => isset($defaults['behaviors'][$key]) ? FALSE : TRUE,
'enabled' => array(
'#type' => 'checkbox',
'#title' => $plugin['title'],
'#description' => $plugin['description'],
'#default_value' => isset($defaults['behaviors'][$key]),
),
);
// Create options items
$options = $behavior
->options_form($options);
if (!empty($options)) {
$form[$key]['options_set'] = array(
'#type' => 'fieldset',
'#title' => t('Options'),
'#collapsible' => FALSE,
'#collapsed' => FALSE,
'#states' => array(
'visible' => array(
':input[name="behaviors[' . $key . '][enabled]"]' => array(
'checked' => TRUE,
),
),
),
'options' => $options,
);
}
}
}
}
return $form;
}
/**
* Callback sorting behaviors alphabetically
*/
function _openlayers_ui_sort_behaviors($a, $b) {
return strnatcmp($a['title'], $b['title']);
}
/**
* Create Centering Map
*
* Create map for interactive default centering
*
* @param $defaults
* Array of defults to use for the map of centering and zooming
* @return
* Themed map array
*/
function openlayers_ui_maps_form_center_map($defaults = array()) {
// Pass variables etc. to javascript
$pass_values = array(
'openlayersForm' => array(
'projectionLayers' => openlayers_ui_get_projection_options(),
),
);
drupal_add_js($pass_values, 'setting');
$projection = openlayers_get_projection('EPSG', '3857');
openlayers_add_js_projection_definition($projection);
// centerpoint & zoom of this map are overridden
// by the mapformvalues behavior on page load.
//
// Note that navigation screws up the boxselect
// behavior for getting extent.
$centermap_def = array(
'id' => 'openlayers-center-helpmap',
'projection' => $projection->identifier,
'displayProjection' => $projection->identifier,
'default_layer' => 'mapquest_osm',
'width' => '600px',
'height' => '400px',
'center' => array(
'initial' => array(
'centerpoint' => "0, 0",
'zoom' => 2,
),
),
'image_path' => drupal_get_path('module', 'openlayers') . '/themes/default_dark/img/',
'layers' => array(
'mapquest_osm',
),
'behaviors' => array(
//'openlayers_behavior_navigation' => array(),
'openlayers_behavior_panzoombar' => array(),
//'openlayers_behavior_dragpan' => array(),
'openlayers_behavior_mapformvalues' => array(),
'openlayers_behavior_boxselect' => array(),
'openlayers_behavior_attribution' => array(),
),
);
return openlayers_render_map_data($centermap_def);
}Functions
Name |
Description |
|---|---|
| openlayers_ui_get_behavior_options | Get behavior options. |
| openlayers_ui_maps_add_projection_submit | Form submit for map add form, for the projection add ahah |
| openlayers_ui_maps_form_center_map | Create Centering Map |
| openlayers_ui_maps_form_process | Process form submission into a map array. |
| openlayers_ui_map_ahah | OpenLayers AHAH |
| _openlayers_ui_sort_behaviors | Callback sorting behaviors alphabetically |