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<?php
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/**
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* @file
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* Summon plugins and render the media browser.
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*/
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/**
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* Media browser page callback.
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*/
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function media_browser($selected = NULL) {
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$output = array();
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$output['#attached']['library'][] = array('media', 'media_browser_page');
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$params = media_set_browser_params();
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// If one or more files have been selected, the browser interaction is now
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// complete. Return empty page content to the dialog which now needs to close,
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// but populate Drupal.settings with information about the selected files.
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if (isset($params['fid'])) {
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$fids = is_array($params['fid']) ? $params['fid'] : array($params['fid']);
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if (!is_numeric($fids[0])) {
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throw new Exception('Error selecting media, fid param is not an fid or an array of fids');
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}
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$files = file_load_multiple($fids);
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foreach ($files as $file) {
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media_browser_build_media_item($file);
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}
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$setting = array('media' => array('selectedMedia' => array_values($files)));
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drupal_add_js($setting, 'setting');
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return $output;
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}
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$plugins = media_get_browser_plugin_info();
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// Allow parameters to provide a list of enabled or disabled media browser
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// plugins.
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if (!empty($params['enabledPlugins'])) {
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$plugins = array_intersect_key($plugins, array_fill_keys($params['enabledPlugins'], 1));
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}
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elseif (!empty($params['disabledPlugins'])) {
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$plugins = array_diff_key($plugins, array_fill_keys($params['disabledPlugins'], 1));
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}
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// Render plugins.
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$plugin_output = array();
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foreach ($plugins as $key => $plugin_info) {
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// Support the old CTools style handler definition.
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if (!isset($plugin_info['class']) && !empty($plugin_info['handler'])) {
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if (is_string($plugin_info['handler'])) {
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$plugin_info['class'] = $plugin_info['handler'];
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}
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elseif (isset($plugin_info['handler']['class'])) {
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$plugin_info['class'] = $plugin_info['handler']['class'];
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}
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}
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if (empty($plugin_info['class']) || !class_exists($plugin_info['class'])) {
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continue;
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}
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$plugin = new $plugin_info['class']($plugin_info, $params);
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if ($plugin->access()) {
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$plugin_output[$key] = $plugin->view();
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if (!empty($plugin_output[$key]) && is_array($plugin_output[$key])) {
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$plugin_output[$key] += array(
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'#title' => $plugin_info['title'],
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'#weight' => isset($plugin_info['weight']) ? $plugin_info['weight'] : 0,
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);
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}
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else {
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unset($plugin_output[$key]);
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continue;
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}
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}
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else {
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continue;
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}
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// We need to get a submit and cancel button on each tab. If the plugin
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// is not returning a form element we need to add a submit button.
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// This is a fairly broad assumption.
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if (empty($plugin_output[$key]['#form']) && !empty($plugin_output[$key]['#markup'])) {
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$fake_buttons = '<div class="form-actions form-wrapper">';
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$fake_buttons .= l(t('Submit'), '', array(
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'attributes' => array(
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'class' => array('button', 'button-yes', 'fake-submit', $key),
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),
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));
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$fake_buttons .= l(t('Cancel'), '', array(
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'attributes' => array(
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'class' => array('button', 'button-no', 'fake-cancel', $key),
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),
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));
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$fake_buttons .= '</div>';
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$plugin_output[$key]['#markup'] .= $fake_buttons;
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}
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// I'm not sure if it is ever the case that a plugin form will ever have
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// the correct cancel button so we add it here. Put it inline with the
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// current submit button. This is a fairly broad assumption.
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if (!empty($plugin_output[$key]['form']['actions']) && !isset($plugin_output[$key]['form']['actions']['cancel'])) {
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$plugin_output[$key]['form']['actions']['cancel'] = array(
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'#type' => 'link',
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'#title' => t('Cancel'),
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'#href' => '',
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'#attributes' => array(
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'class' => array(
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'button',
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'button-no',
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'fake-cancel',
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$key,
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),
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),
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'#weight' => 100,
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);
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}
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}
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// Allow modules to change the tab names or whatever else they want to change
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// before we render. Perhaps this should be an alter on the theming function
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// that we should write to be making the tabs.
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drupal_alter('media_browser_plugins', $plugin_output);
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$tabs = array();
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$settings = array('media' => array('browser' => array()));
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foreach (element_children($plugin_output, TRUE) as $key) {
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// Add any JavaScript settings from the browser tab.
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if (!empty($plugin_output[$key]['#settings'])) {
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$settings['media']['browser'][$key] = $plugin_output[$key]['#settings'];
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}
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// If this is a "ajax" style tab, add the href, otherwise an id. jQuery UI
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// will use an href value to load content from that url
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$tabid = 'media-tab-' . check_plain($key);
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if (!empty($plugin_output[$key]['#callback'])) {
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$href = $plugin_output[$key]['#callback'];
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}
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else {
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$attributes = array(
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'class' => array('media-browser-tab'),
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'id' => $tabid,
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'data-tabid' => $key,
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);
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// Create a div for each tab's content.
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$plugin_output[$key] += array(
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'#prefix' => '<div '. drupal_attributes($attributes) . ">\n",
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'#suffix' => "</div>\n",
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);
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}
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$attributes = array(
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'href' => '#' . $tabid,
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'data-tabid' => $key,
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'title' => $plugin_output[$key]['#title'],
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);
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$tabs[]['element'] = array(
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'#markup' => '<li><a' . drupal_attributes($attributes) . '>' . check_plain($plugin_output[$key]['#title']) . "</a></li>\n",
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);
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}
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drupal_add_js($settings, 'setting');
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$output['title'] = array(
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'#markup' => t('Select a file')
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);
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$output['tabset']['tabs'] = array(
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'#theme' => 'menu_local_tasks',
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'#attributes' => array('class' => array('tabs', 'primary')),
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'#primary' => $tabs,
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);
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$output['tabset']['panes'] = $plugin_output;
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return $output;
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}
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/**
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* Provides a singleton of the params passed to the media browser.
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*
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* This is useful in situations like form alters because callers can pass
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* id="wysiywg_form" or whatever they want, and a form alter could pick this up.
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* We may want to change the hook_media_browser_plugin_view() implementations to
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* use this function instead of being passed params for consistency.
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*
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* It also offers a chance for some meddler to meddle with them.
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*
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* @see media_browser()
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*/
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function media_set_browser_params() {
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$params = &drupal_static(__FUNCTION__, array());
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if (empty($params)) {
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// Build out browser settings. Permissions- and security-related behaviors
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// should not rely on these parameters, since they come from the HTTP query.
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// @TODO make sure we treat parameters as user input.
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$params = drupal_get_query_parameters() + array(
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'types' => array(),
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'multiselect' => FALSE,
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);
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// Transform text 'true' and 'false' to actual booleans.
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foreach ($params as $k => $v) {
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if ($v === 'true') {
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$params[$k] = TRUE;
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}
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elseif ($v === 'false') {
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$params[$k] = FALSE;
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}
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}
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array_walk_recursive($params, 'media_recursive_check_plain');
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// Allow modules to alter the parameters.
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drupal_alter('media_browser_params', $params);
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}
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return $params;
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}
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/**
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* For sanity in grammar.
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*
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* @see media_set_browser_params()
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*/
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function media_get_browser_params() {
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return media_set_browser_params();
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}
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/**
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* Attaches media browser javascript to an element.
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*
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* @param array $element
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* The element array to attach to.
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*/
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function media_attach_browser_js(&$element) {
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$javascript = media_browser_js();
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foreach ($javascript as $key => $definitions) {
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foreach ($definitions as $definition) {
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$element['#attached'][$key][] = $definition;
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}
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}
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}
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/**
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* Helper function to define browser javascript.
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*/
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function media_browser_js() {
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$settings = array(
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'browserUrl' => url('media/browser', array(
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'query' => array('render' => 'media-popup'),
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)
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),
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'styleSelectorUrl' => url('media/-media_id-/format-form', array(
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'query' => array('render' => 'media-popup'),
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)
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),
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);
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$js = array(
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'library' => array(
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array('media', 'media_browser'),
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),
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'js' => array(
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array(
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'data' => array('media' => $settings),
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'type' => 'setting',
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),
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),
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);
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return $js;
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}
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/**
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* Menu callback for testing the media browser.
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*/
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function media_browser_testbed($form) {
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media_attach_browser_js($form);
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$form['test_element'] = array(
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'#type' => 'media',
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'#media_options' => array(
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'global' => array(
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'types' => array('video', 'audio'),
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),
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),
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);
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$launcher = '<a href="#" id="launcher"> Launch Media Browser</a>';
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$form['options'] = array(
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'#type' => 'textarea',
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'#title' => 'Options (JSON)',
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'#rows' => 10,
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);
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$form['launcher'] = array(
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'#markup' => $launcher,
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);
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$form['result'] = array(
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'#type' => 'textarea',
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'#title' => 'Result',
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);
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$js = <<<EOF
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Drupal.behaviors.mediaTest = {
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attach: function(context, settings) {
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var delim = "---";
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var recentOptions = [];
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var recentOptionsCookie = jQuery.cookie("recentOptions");
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if (recentOptionsCookie) {
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recentOptions = recentOptionsCookie.split("---");
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}
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var recentSelectBox = jQuery('<select id="recent_options" style="width:100%"></select>').change(function() { jQuery('#edit-options').val(jQuery(this).val())});
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jQuery('.form-item-options').append('<label for="recent_options">Recent</a>');
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jQuery('.form-item-options').append(recentSelectBox);
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jQuery('.form-item-options').append(jQuery('<a href="#">Reset</a>').click(function() {alert('reset'); jQuery.cookie("recentOptions", null); window.location.reload(); }));
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jQuery.each(recentOptions, function (idx, val) {
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recentSelectBox.append(jQuery('<option></option>').val(val).html(val));
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});
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jQuery('#launcher').click(function () {
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jQuery('#edit-result').val('');
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var options = {};
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var optionsTxt = jQuery('#edit-options').val();
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if (optionsTxt) {
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// Store it in the recent box
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recentOptionsCookie += "---" + optionsTxt
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jQuery.cookie("recentOptions", recentOptionsCookie, { expires: 7 });
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recentSelectBox.append(jQuery('<option></option>').val(optionsTxt).html(optionsTxt));
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options = eval('(' + optionsTxt + ')');
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}
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Drupal.media.popups.mediaBrowser(Drupal.behaviors.mediaTest.mediaSelected, options);
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return false;
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});
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344
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},
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345
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mediaSelected: function(selectedMedia) {
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347
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var result = JSON.stringify(selectedMedia);
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jQuery('#edit-result').val(result);
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}
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350
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}
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351
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EOF;
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drupal_add_js($js, array('type' => 'inline'));
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return $form;
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}
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/**
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359
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* Adds properties to the file.
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360
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*
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361
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* Additional properties on this file are needed by the media browser JS code.
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362
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*/
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363
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function media_browser_build_media_item($file) {
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$preview = media_get_thumbnail_preview($file);
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365
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$file->preview = drupal_render($preview);
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$file->url = file_create_url($file->uri);
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}
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