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<?php
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// $Id: img_assist.module,v 1.106 2009/08/03 21:47:25 sun Exp $
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/**
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* @file
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* Image assist administrative functionality.
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*/
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/**
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* Implementation of hook_settings().
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*/
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function img_assist_admin_settings() {
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require_once drupal_get_path('module', 'img_assist') .'/includes/img_assist.token.inc';
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// Access settings.
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$form['access'] = array(
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'#type' => 'fieldset',
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'#title' => t('Access settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['access']['img_assist_paths_type'] = array(
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'#type' => 'radios',
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'#title' => t('Display Image assist on paths'),
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'#default_value' => variable_get('img_assist_paths_type', 2),
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'#options' => array(t('on specific paths'), t('not on specific paths'), t('all paths')),
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);
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$form['access']['img_assist_paths'] = array(
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'#type' => 'textarea',
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'#title' => t('Paths'),
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'#default_value' => variable_get('img_assist_paths', "node/*\ncomment/*"),
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'#cols' => 40,
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'#rows' => 5,
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'#description' => t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>')),
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);
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$form['access']['img_assist_textareas_type'] = array(
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'#type' => 'radios',
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'#title' => t('Display Image assist on text areas'),
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'#default_value' => variable_get('img_assist_textareas_type', 2),
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'#options' => array(t('Show on every textarea except the listed textareas.'), t('Show on only the listed textareas.'), t('Show on all textareas.')),
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);
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$form['access']['img_assist_textareas'] = array(
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'#type' => 'textarea',
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'#title' => t('Text areas'),
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'#default_value' => variable_get('img_assist_textareas', "edit-body\nedit-comment"),
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'#cols' => 40,
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'#rows' => 5,
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'#description' => t("Enter one text area form-id per line. Form-id's are used by Drupal to typify them, which allows themers and coders to modify certain form fields, but not all. Find form-id's using this method: view the source of the webpage, then search for the string that's just above the text area and you'll see the form-id nearby. The '*' character is a wildcard. For example, you can specify all CCK fields as %cck-example.", array('%cck-example' => 'edit-field-*')),
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);
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$form['access']['img_assist_link'] = array(
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'#type' => 'select',
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'#title' => t('Textarea image link'),
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'#default_value' => variable_get('img_assist_link', 'icon'),
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'#options' => array('icon' => t('Show icon'), 'text' => t('Show text link'), 'none' => t('Do not show a link')),
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'#description' => t('Choose what to show under the textareas for which Image assist is enabled.'),
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);
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// Prepare select options for image browser views.
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$options = array();
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views_include('admin');
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$views = views_get_all_views();
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$base_tables = views_fetch_base_tables();
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foreach ($views as $view) {
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// Exclude malformed views (@see views/admin.inc).
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if (!empty($view->disabled) || empty($view->display)) {
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continue;
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}
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// Exclude views considered unusable for IA.
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if (!($view->base_table == 'node' || $view->base_table == 'files')) {
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continue;
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}
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$options[$view->name] = ($view->get_title() == '') ? $view->name : $view->get_title();
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}
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$form['access']['img_assist_views'] = array(
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'#type' => 'select',
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'#multiple' => TRUE,
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'#title' => t('Image browser views'),
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'#default_value' => variable_get('img_assist_views', drupal_map_assoc(array('img_assist_browser'))),
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'#options' => $options,
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'#required' => TRUE,
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'#description' => t('Select the views to use for selecting images.'),
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);
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if (module_exists('taxonomy')) {
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$vocs = array(0 => '<'. t('none') .'>');
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foreach (taxonomy_get_vocabularies() as $vid => $voc) {
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$vocs[$vid] = $voc->name;
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}
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if (count($vocs) > 1) {
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$form['access']['img_assist_vocabs'] = array(
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'#type' => 'select',
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'#multiple' => TRUE,
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'#title' => t('Select the vocabularies to use for Image assist'),
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'#default_value' => variable_get('img_assist_vocabs', array()),
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'#options' => $vocs,
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'#description' => t('Select the vocabularies you want to be able to filter thumbnails by. This setting changes the behavior of Image assist at startup from loading all image thumbnails to displaying a list of image names until a filter is chosen.'),
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);
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}
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}
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// Image settings.
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$form['image'] = array(
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'#type' => 'fieldset',
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'#title' => t('Image generation settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['image']['img_assist_max_size'] = array(
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'#type' => 'textfield',
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'#title' => t('Maximum inline image size allowed'),
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'#default_value' => variable_get('img_assist_max_size', '640x640'),
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'#size' => 9,
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'#maxlength' => 9,
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'#description' => t('Enter the number of maximum image dimensions to display with Image assist. This is a way to prevent users from breaking your layouts. This is applied when the filter tag is processed, so it will affect existing images. If an existing image exceeds these dimensions, a smaller derivative of the image will be substituted (or a smaller version will be created if you have allowed Image assist to create its own derivatives).'),
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);
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if (function_exists('image_get_sizes')) {
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$max_size = explode('x', variable_get('img_assist_max_size', '640x640'));
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$oversize_count = 0;
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foreach (image_get_sizes() as $key => $size) {
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$dimensions = $size['width'] .'x'. $size['height'];
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if ((!empty($size['width']) && $size['width'] <= $max_size[0]) || (!empty($size['height']) && $size['height'] <= $max_size[1])) {
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$derivatives[$dimensions] = $size['label'];
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}
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elseif ($key == IMAGE_THUMBNAIL) {
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// Thumbnail option is shown even if it is larger than maximum size.
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$derivatives[$dimensions] = $size['label'];
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}
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else {
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$oversize_count++;
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}
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$allsizes[$key] = $size['label'];
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}
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$form['image']['img_assist_popup_label'] = array(
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'#type' => 'select',
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'#title' => t('Popup size'),
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'#default_value' => variable_get('img_assist_popup_label', IMAGE_PREVIEW),
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'#options' => $allsizes,
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'#description' => t('Select the size of the image that is popped up.'),
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);
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$oversize_alert = ($oversize_count) ? '<br /><strong>'. format_plural($oversize_count, '1 image size is not being shown because it exceeds the the maximum inline image size setting (see above).', '@count image sizes are not being shown because they exceed the the maximum inline image size setting (see above).') .'</strong>' : '';
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$form['image']['img_assist_default_label'] = array(
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'#type' => 'select',
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'#title' => t('Default size for inline images'),
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'#default_value' => variable_get('img_assist_default_label', '100x100'),
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'#options' => $derivatives,
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'#description' => t('Select a derivative to be used by default for inline images.') . $oversize_alert,
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);
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}
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$form['image']['img_assist_create_derivatives'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Creation of image derivatives'),
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'#default_value' => variable_get('img_assist_create_derivatives', array()),
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'#options' => array(
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'properties' => t('Create 200x200 images for the image properties window (useful if the thumbnail size is small).'),
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'custom_advanced' => t('Allow users with %access permission to create custom size inline images.', array('%access' => 'access advanced options')),
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'custom_all' => t('Allow all users to create custom size inline images.'),
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),
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'#description' => t('These options allow Image assist to generate its custom image sizes (in the same manner as image.module) when a user would prefer a different size from the default image sizes defined in the image.module settings.'),
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);
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// Other properties.
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$form['properties'] = array(
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'#type' => 'fieldset',
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'#title' => t('Image property dialog settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['properties']['img_assist_default_link_behavior'] = array(
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'#type' => 'select',
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'#title' => t('Default link behavior'),
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'#default_value' => variable_get('img_assist_default_link_behavior', 'none'),
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'#options' => array('none' => t('Not a link'), 'node' => t('Link to image page'), 'popup' => t('Open in popup window'), 'url' => t('Go to URL')),
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'#description' => t('The link behavior can be overridden when inserting images by users with the proper permissions, but these defaults will still be used for everyone else.'),
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);
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$form['properties']['img_assist_default_link_url'] = array(
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'#type' => 'textfield',
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'#title' => t('Default URL'),
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'#default_value' => variable_get('img_assist_default_link_url', 'http://'),
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'#size' => 30,
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'#maxlength' => 255,
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'#description' => t('The default URL is used when Go to URL is choosen as the link behavior.'),
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);
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$form['properties']['img_assist_default_insert_mode'] = array(
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'#type' => 'select',
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'#title' => t('Default insert mode'),
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'#default_value' => variable_get('img_assist_default_insert_mode', 'none'),
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'#options' => array('filtertag' => t('Filter Tag'), 'html' => t('HTML Code')),
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'#description' => t('The insert behavior can be overridden by users with the %permission permission when inserting images. <strong>Warning:</strong> If images are inserted as HTML, Image Assist is not able to correct a link or image URL afterwards. Please also note that users will not be able to edit already inserted images when using HTML code and the TinyMCE plugin.', array('%permission' => t('access advanced options'))),
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);
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$form['properties']['img_assist_load_title'] = array(
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'#type' => 'radios',
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'#title' => t('Preset caption title'),
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'#default_value' => variable_get('img_assist_load_title', 1),
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'#options' => array(t('Disabled'), t('Enabled')),
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'#description' => t('If enabled, the title from the image will be loaded as the bolded caption by default.'),
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);
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$token_installed = module_exists('token');
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$token_instructions = (!$token_installed ? t('Requires the !token module.', array('!token' => l('Token', 'http://drupal.org/project/token'))) : t('See below for a list of available replacement patterns.'));
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$form['properties']['img_assist_title_pattern'] = array(
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'#type' => 'textfield',
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'#title' => t('Caption title pattern'),
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'#default_value' => variable_get('img_assist_title_pattern', '[title]'),
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'#size' => 60,
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'#maxlength' => 255,
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'#description' => t('The pattern to generate the bolded caption title from.') .' '. $token_instructions,
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'#disabled' => !$token_installed,
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);
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$form['properties']['img_assist_load_description'] = array(
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'#type' => 'radios',
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'#title' => t('Preset caption text'),
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'#default_value' => variable_get('img_assist_load_description', 1),
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'#options' => array(t('Disabled'), t('Enabled')),
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'#description' => t('If enabled, the body text from the image will be loaded as the caption by default.'),
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);
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$form['properties']['img_assist_description_pattern'] = array(
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'#type' => 'textfield',
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'#title' => t('Caption text pattern'),
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'#default_value' => variable_get('img_assist_description_pattern', '[body]'),
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'#size' => 60,
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'#maxlength' => 255,
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'#description' => t('The pattern to generate the caption text from.') .' '. $token_instructions,
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'#disabled' => !$token_installed,
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);
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if ($token_installed) {
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$form['properties']['token_help'] = array(
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'#title' => t('Replacement patterns'),
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'#type' => 'fieldset',
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['properties']['token_help'][] = array(
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'#value' => theme('token_help', 'node'),
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);
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}
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if (module_exists('content')) {
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$options = array();
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$info = _content_type_info();
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foreach ($info['content types']['image']['fields'] as $field) {
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$options[$field['field_name']] = t($field['widget']['label']) .' ('. $field['field_name'] .')';
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}
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$form['properties']['img_assist_display_properties'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Image properties shown'),
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'#default_value' => variable_get('img_assist_display_properties', array()),
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'#options' => $options,
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'#description' => t('All selected CCK fields from the Image node will be displayed in the Image Assist pop-up window.'),
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);
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if (empty($options)) {
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$form['properties']['img_assist_display_properties']['#description'] .= '<br />'. t('<strong>Note:</strong> The <a href="!content-type">Image content-type</a> does not contain any CCK fields currently.', array('!content-type' => url('admin/content/node-type/image/fields')));
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}
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}
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// Image display settings.
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$form['display'] = array(
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'#type' => 'fieldset',
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'#title' => t('Image display settings'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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);
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$form['display']['img_assist_page_styling'] = array(
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'#type' => 'select',
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'#title' => t('Include img_assist.css on all pages for styling inline images?'),
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'#default_value' => variable_get('img_assist_page_styling', 'yes'),
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'#options' => array('yes' => t('yes'), 'no' => t('no')),
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'#description' => t('Advanced users can customize their theme\'s CSS file so that inclusion of the img_assist.css file will not be necessary. See notes at the bottom of img_assist.css for details.'),
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);
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return system_settings_form($form);
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}
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/**
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* Validate Image Assist settings.
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*/
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function img_assist_admin_settings_validate($form, &$form_state) {
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// img_assist_max_size must contain a value for width and height.
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if (!preg_match('/\d+x\d+/', $form_state['values']['img_assist_max_size'])) {
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form_set_error('img_assist_max_size', t('Allowed maximum inline image size has to indicate width and height, for example %example.', array('%example' => '200x300')));
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}
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}
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/**
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* Menu callback; clears relevant caches, then redirects to the previous page.
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*
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* @see devel_cache_clear()
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*/
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function img_assist_cache_clear() {
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// clear core tables
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$core = array('cache_filter', 'cache_page');
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foreach ($core as $table) {
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cache_clear_all('*', $table, TRUE);
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}
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drupal_set_message('Cache cleared.');
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drupal_goto('admin/settings/img_assist');
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}
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