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<?php
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// $Id: nicemap_admin.inc,v 1.1 2008/11/14 18:03:58 jmiccolis Exp $
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/**
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* Form for clearing the nicemap cache
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*/
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function nicemap_cache_clear() {
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$form = array();
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$form['info'] = array(
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'#type' => 'item',
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'#value' => "<p>". t('Nicemap stores information it retrieves from each WMS server in a cache to eliminate the need to poll the server for information each time a map is generated. You should clear this cache when the server updates its capabilities or the cached information is no longer valid.') ."</p>",
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Clear nicemap cache'),
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);
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return $form;
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}
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/**
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* Submit handler for nicemap cache clearing.
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*/
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function nicemap_cache_clear_submit($form, &$form_state) {
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variable_set('nicemap_cache', array());
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}
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/**
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* Master settings form and testing page
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*/
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function nicemap_settings() {
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$form = array();
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$form['nicemap_mode'] = array(
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'#title' => t('Map source'),
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'#type' => 'select',
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'#options' => array(0 => '---', 'wms' => t('WMS server'), 'file' => t('Uploaded file')),
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'#default_value' => variable_get('nicemap_mode', 0),
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);
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$form = system_settings_form($form);
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$form['buttons']['#weight'] = 100;
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switch (variable_get('nicemap_mode', '')) {
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case 'wms':
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$form['wms'] = array(
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'#type' => 'fieldset',
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'#title' => t('WMS server'),
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);
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$form['wms']['nicemap_wms_url'] = array(
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'#title' => t('Map server URL'),
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'#description' => t('The root URL of the map server you intend to use,
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please include "http://". This may or may not include
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certain arguments and filenames.'),
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'#default_value' => variable_get('nicemap_wms_url', ''),
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'#type' => 'textfield');
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if ($wms = variable_get('nicemap_wms_url', '')) {
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$spec = nicemap_capabilities_cache($wms);
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// projections
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$crs = array();
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if (count($spec['crs'])) {
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foreach ($spec['crs'] as $code) {
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$crs[$code] = $code;
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}
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}
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$form['wms']['nicemap_wms_crs'] = array(
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'#type' => 'select',
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'#title' => t('CRS code'),
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'#description' => t('Choose the projection mode.'),
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'#options' => $crs,
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'#default_value' => variable_get('nicemap_wms_crs', ''),
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);
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// layers + styles
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$l = _nicemap_get_layers($spec);
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$settings = variable_get('nicemap_defaults', array('layers' => array(), 'styles' => array(), 'weights' => array()));
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$bgcolor = variable_get('nicemap_bgcolor', 'aabbcc');
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_nicemap_layer_style_form($form, $l, $settings['layers'], $settings['styles'], $settings['weights'], $bgcolor);
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}
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break;
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case 'file':
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$form['file'] = array(
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'#type' => 'fieldset',
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'#title' => t('Uploaded file'),
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);
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$options = array();
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foreach (nicemap_projections() as $k => $v) {
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$options[$k] = $v['name'];
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}
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$form['file']['nicemap_file_projection'] = array(
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'#title' => t('Map file projection'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => variable_get('nicemap_file_projection', 'mercator'),
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);
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break;
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}
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return $form;
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}
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/**
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* Layer and style settings form, used also by the view form.
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*/
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function _nicemap_layer_style_form(&$form, $wms_layers, $default_layers, $default_styles, $default_weights, $default_bg) {
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$form['display'] = array(
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'#title' => t('Display options'),
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'#type' => 'fieldset',
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);
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$form['display']['nicemap_bgcolor'] = array(
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'#title' => t('Background color'),
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'#type' => 'textfield',
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'#size' => 6,
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'#maxlength' => 6,
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'#description' => t('Enter an RGB hex value or leave blank to use a transparent background.'),
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'#default_value' => $default_bg,
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);
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$layers = $styles = array();
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foreach ($wms_layers as $layer => $info) {
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$layers[$layer] = $info['title'];
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$styles[$layer] = $info['styles'];
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}
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$weight_options = array();
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for ($i = -5; $i <= 5; $i++) {
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$weight_options[$i] = $i;
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}
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$form['nicemap_defaults'] = array(
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'#tree' => true,
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'#theme' => 'nicemap_settings_layers',
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'#type' => 'fieldset',
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'#title' => t('Layers display options'),
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'layers' => array(),
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'styles' => array(),
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'weights' => array(),
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);
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foreach ($layers as $layer => $name) {
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$form['nicemap_defaults']['layers'][$layer] = array(
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'#type' => 'checkbox',
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'#title' => $name,
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'#default_value' => isset($default_layers[$layer]) ? $default_layers[$layer] : 0,
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);
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$form['nicemap_defaults']['styles'][$layer] = array(
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'#type' => 'select',
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'#options' => $styles[$layer],
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'#default_value' => isset($default_styles[$layer]) ? $default_styles[$layer] : $styles[$layer][0],
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);
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$form['nicemap_defaults']['weights'][$layer] = array(
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'#type' => 'select',
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'#options' => $weight_options,
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'#default_value' => isset($default_weights[$layer]) ? $default_weights[$layer] : 0,
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'#attributes' => array('class' => 'layer-weight'),
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);
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}
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}
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/**
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* Style layer settings into a table grid.
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*/
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function theme_nicemap_settings_layers($form) {
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uasort($form['weights'], create_function('$a, $b', 'return $a["#default_value"] > $b["#default_value"];'));
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$rows = array();
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foreach (element_children($form['weights']) as $elem) {
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$row = array(
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drupal_render($form['layers'][$elem]),
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drupal_render($form['styles'][$elem]),
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drupal_render($form['weights'][$elem]),
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);
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$rows[] = array('data' => $row, 'class' => 'draggable');
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}
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$output = theme('table', array(t('Layer'), t('Style'), t('Weight')), $rows, array('id' => 'wms-layer-selector'));
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drupal_add_tabledrag('wms-layer-selector', 'order', 'self', 'layer-weight');
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$output .= drupal_render($form);
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return $output;
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}
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