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<?php
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// $Id: cck_multimage.module,v 1.3 2007/08/18 06:27:17 silviogutierrez Exp $
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/**
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* @file
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* Defines an image field type.
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* imagefield uses content.module to store the fid, and the drupal files
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* table to store the actual file data.
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*
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*/
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/**
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* Implementation of hook_perm() in order implement access control to CCK Multimage administration.
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*/
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function cck_multimage_perm() {
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return array('administer CCK Multimage');
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}
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/**
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* Implemenation of hook_menu().
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*/
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function cck_multimage_menu($maycache) {
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$items = array();
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if (!$maycache) {
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$items[] = array(
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'path' => 'admin/content/cck-multimages',
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'title' => t('CCK Multimage'),
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'description' => t('View, Edit and Administer your Multimages.'),
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'callback' => 'cck_multimage_admin',
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'access' => user_access('administer CCK Multimage'),
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);
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}
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return $items;
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}
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/**
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* Implementaiton of hook_help().
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*/
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function cck_multimage_help($section) {
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switch ($section) {
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case 'admin/content/cck-multimages':
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return t('The fields listed below are candidates for displaying as a multimage. In order display a multimage, a node type must contain an image field with multiple values.');
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}
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}
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/**
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* Menu callback for displaying the cck multimage settings page.
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*/
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function cck_multimage_admin($node_type = NULL, $field_name = NULL) {
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if ($node_type && $field_name) {
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drupal_set_title(t('Edit multimage for %multimage', array('%multimage' => $node_type)));
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return drupal_get_form('cck_multimage_edit_form', $node_type, $field_name);
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}
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else {
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drupal_set_title('CCK Multimage Settings');
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return cck_multimage_settings();
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}
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}
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function cck_multimage_settings() {
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$types = content_types();
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$header = array(
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array('data' => t('CCK Type and Field'), 'colspan' => 2),
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array('data' => t('Teaser Display Status'), 'colspan' => 1),
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array('data' => t('Full Display Status'), 'colspan' => 1),
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array('data' => t('Operations'), 'colspan' => 2),
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);
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$rows = array();
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foreach ($types as $type_name => $type) {
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$multimage_fields = array();
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foreach($type['fields'] as $field_name => $field) {
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// If the type contains an image field add the field right away
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if ($field['type'] == 'image') {
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$multimage_fields[$field_name] = $field;
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}
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// If the type contains a node reference field, check if the referenced
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// node type contains an image field.
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elseif ($field['type'] == 'nodereference') {
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$referenced_contains_image = false;
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foreach ((array)$field['referenceable_types'] as $referenceable_type) {
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if ($referenceable_type && $types[$referenceable_type]) {
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foreach ($types[$referenceable_type]['fields'] as $referenceable_field) {
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if ($referenceable_field['type'] == 'image') {
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$referenced_contains_image = true;
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}
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}
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}
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}
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if ($referenced_contains_image) {
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$multimage_fields[$field_name] = $field;
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}
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}
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}
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if (!empty($multimage_fields)) {
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$rows[] = array(array('data' => $type['name'], 'colspan' => 6));
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}
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foreach ($multimage_fields as $field_name => $field) {
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$row = array();
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$row[] = '';
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$row[] = $field['field_name'];
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$row[] = $field['display_settings']['teaser']['format'] == 'cck_multimage' ? '<strong>'. $field['display_settings']['teaser']['format'] .'<strong>' : $field['display_settings']['teaser']['format'];
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$row[] = $field['display_settings']['full']['format'] == 'cck_multimage' ? '<strong>'. $field['display_settings']['full']['format'] .'<strong>' : $field['display_settings']['full']['format'];
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$row[] = l(t('Change display settings'), 'admin/content/types/'. str_replace('_', '-', $type_name) .'/display', NULL, 'destination=admin/content/cck-multimages');
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$row[] = l(t('Edit multimage'), 'admin/content/cck-multimages/'. $type_name .'/'. $field_name);
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$rows[] = $row;
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}
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}
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return theme('table', $header, $rows);
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}
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function cck_multimage_edit_form($node_type, $field_name) {
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$settings = cck_multimage_get_settings($node_type, $field_name);
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$form = array();
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$form['node_type'] = array(
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'#type' => 'value',
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'#value' => $node_type,
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);
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$form['field_name'] = array(
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'#type' => 'value',
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'#value' => $field_name,
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);
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$form['preset'] = array(
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'#type' => 'select',
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'#title' => t('Imagecache Preset'),
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'#description' => t('The imagecache module is used to generate the pictures for the multimage. Select an existing preset or configure a preset in the <a href="!imagecache">imagecache settings</a>.' , array('!imagecache' => url('admin/content/imagecache'))),
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'#options' => array('' => 'Full size image') + drupal_map_assoc(_imagecache_get_presets()),
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'#default_value' => $settings['preset'],
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);
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$form['teaser-preset'] = array(
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'#type' => 'select',
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'#title' => t('Imagecache Teaser Preset'),
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'#description' => t('If you want to have multimage display on teasers, it is highly recommended you create a preset just for teasers with square dimensions, for example 100px x 100px. Select an existing preset or configure a preset in the <a href="!imagecache">imagecache settings</a>.' , array('!imagecache' => url('admin/content/imagecache'))),
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// '#options' => array('' => 'Full size image') + drupal_map_assoc(_imagecache_get_presets()),
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'#options' => array('' => 'Full size image') + drupal_map_assoc(_imagecache_get_presets()),
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'#default_value' => $settings['teaser-preset'],
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);
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$form['detailed_css'] = array(
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'#type' => 'checkbox',
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'#title' => t('Use detailed CSS.'),
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'#description' => t(' Each image field will have its own class distinguishing it from other image fields or even the same image field in other node types. Recommended if you want to apply a separate style to each image field depending on the content type or the field type.'),
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'#default_value' => $settings['detailed_css'],
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);
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$form['captions'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show captions.'),
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'#description' => t('When uploading images, you can assign each one a caption to display. Make sure that the option "Enable Custom Title Text" is enabled in your imagefield options.'),
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'#default_value' => $settings['captions'],
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);
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$form['compatibility'] = array(
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'#type' => 'checkbox',
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'#title' => t('IE6 Compatibility (Recommended)'),
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'#description' => t('Sometimes, IE6\'s use of Fade In and Fade Out can behave strangely, flickering or misaligning. Since all testing for IE6 was done on a virtual machine, this may be why the effect behaved strangely. In compatibility mode, the effect will be absent in IE6. Experiment with either mode in a true installation of IE6 and provide feekdback. Important: This setting MUST be the same across all your Multimages, otherwise the two Javascript files will act at once, causing erratic behaviour.'),
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'#default_value' => $settings['compatibility'],
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);
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$form['destination'] = array(
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'#type' => 'hidden',
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'#value' => 'admin/content/cck-multimages',
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);
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$form['op'] = array(
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'#type' => 'submit',
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'#value' => t('Save'),
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);
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return $form;
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}
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/**
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* Validation handler for multimage edit form.
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*/
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function cck_multimage_edit_form_validate($form_id, $form_values) {
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}
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/**
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* Submit handler for multimage edit form.
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*/
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function cck_multimage_edit_form_submit($form_id, $form_values) {
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unset($form_values['op'], $form_values['form_id'], $form_values['form_token']);
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variable_set('cck_multimage_'. $form_values['node_type'] .'_'. $form_values['field_name'], $form_values);
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drupal_set_message(t('Multimage settings for %type saved.', array('%type' => $form_values['node_type'])));
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}
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/**
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* Implementation of hook_field_formatter_info().
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*/
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function cck_multimage_field_formatter_info() {
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$formatters = array(
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'cck_multimage' => array(
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'label' => 'CCK Multimage',
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'field types' => array('image', 'nodereference'),
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),
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);
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return $formatters;
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function cck_multimage_nodeapi(&$node, $op, $teaser, $page) {
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if ($op == 'view') {
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$display_type = $teaser ? 'teaser' : 'full';
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$type = content_types($node->type);
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foreach ($type['fields'] as $field_name => $field) {
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if ($field['display_settings'][$display_type]['format'] == 'cck_multimage') {
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$settings = cck_multimage_get_settings($node->type, $field_name);
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$node->content[$field_name]['#value'] = theme('cck_multimage', $node->{$field['field_name']}, $settings, $node, $field, $teaser);
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}
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}
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}
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}
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function theme_cck_multimage($images, $settings, $node, $field, $teaser) {
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if(!isset($images[0]['nid'])) {
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//There seems to be some error with imagecache, when you delete all images from a node, it wont fully delete the first image info.
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//This checks against this bug, makes sure it does not print out anything if there are no images.
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return;
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}
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if ($teaser) {
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$imagecache_directory = $settings['teaser-preset'];
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$css_root = 'multimage-teaser';
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}
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else {
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$imagecache_directory = $settings['preset'];
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$css_root = 'multimage';
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}
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$multimage_image_id = $css_root . '-' . $node->nid .'-'. $field['field_name'];
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$multimage_container = $css_root;
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$multimage_image_class = 'multimage-image';
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$multimage_top = $css_root . '-top';
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$multimage_bottom = $css_root . '-bottom';
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if ($settings['detailed_css']) {
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$multimage_container .= ' ' . $css_root . '-' . $node->type . '-' . $field['field_name'];
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$multimage_image_class .= ' ' . $css_root . '-' . $node->type . '-image' . '-' . $field['field_name'];
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$multimage_top .= ' ' . $css_root . '-top-' . $node->type . '-' . $field['field_name'];
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$multimage_bottom .= ' ' . $css_root . '-bottom-' . $node->type . '-' . $field['field_name'];
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}
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$max_height = 0;
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$fileNames = array();
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$fileCaptions = array();
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foreach ($images as $image) {
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$image_path = file_directory_path() .'/imagecache/'. $imagecache_directory .'/'. $image['filepath'];
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$image_info = image_get_info($image_path);
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$height = $image_info['height'];
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if ($height > $max_height) {
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$max_height = $height;
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$max_height += 30; //Account for the fact that the bottom might run into the text.
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}
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array_push($fileNames, file_create_url(file_directory_path() .'/imagecache/'. $imagecache_directory .'/'. $image['filepath']));
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if ($settings['captions'] && !$teaser) {
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array_push($fileCaptions, $image['title']);
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}
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else {
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array_push($fileCaptions, '');
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}
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}
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$firstCaption = '';
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if ($settings['captions'] && !$teaser) {
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$firstCaption = $images[0]['title'];
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}
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$output = '';
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$output .= '<div class="'. $multimage_container . '" style="height:' . $max_height . 'px;">';
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$output .= '<div class="' . $multimage_top . '">';
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$output .= theme('imagecache', $imagecache_directory, $images[0]['filepath'], '', $images[0]['title'], array('id' => $multimage_image_id, 'class' => $multimage_image_class));
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$output .= '</div>';
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$output .= '<div class="' . $multimage_bottom . '">' . $firstCaption . '</div>';
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$output .= '<img class="multimage-buffer" src= "" alt="" style="display: none;" />';
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$output .= '</div>';
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drupal_add_js(array($multimage_image_id => $fileNames, $multimage_image_id . '-captions' => $fileCaptions, $multimage_image_id . '-mode' => (isset($images[1]) ? 'multiple' : 'single')), 'setting');
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if ($settings['compatibility']) { //Add a dynamic JS file that detects the browser and removes the fade effect from IE6.
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drupal_add_js(drupal_get_path('module', 'cck_multimage') .'/cck_multimage_javascript.php');
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}
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else { //Static JS File.
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drupal_add_js(drupal_get_path('module', 'cck_multimage') .'/cck_multimage.js');
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}
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return $output;
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}
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/**
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* Retreive the settings for a specific multimage.
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*/
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function cck_multimage_get_settings($node_type, $field_name) {
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$settings = variable_get('cck_multimage_'. $node_type .'_'. $field_name, array());
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$settings['detailed_css'] = $settings['detailed_css'];
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$settings['captions'] = $settings['captions'];
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$settings['compatibility'] = $settings['compatibility'];
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return $settings;
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}
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