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<?php
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// $Id: creativecommons_lite.module,v 1.3 2008/06/10 06:27:10 gloscon Exp $
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/**
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* This module will display Creative Common licences for selected content type
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*
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*/
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define('CC_LITE_PATH', drupal_get_path('module', 'creativecommons_lite'));
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define('CC_LITE_IMAGE_PATH', base_path() . CC_LITE_PATH . '/images/');
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/** from creativecommons.module
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*
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* Enclose each arg in paragraph tags.
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*/
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function para() {
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$args = func_get_args();
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$p = '';
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foreach($args as $c) {
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$p .= "<p>$c</p>";
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}
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return $p;
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}
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/**
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* Implementation of hook_perm().
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*/
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function creativecommons_lite_perm() {
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return array('administer creative commons lite');
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}
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/**
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* Implementation of hook_menu().
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*/
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function creativecommons_lite_menu() {
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$items = array();
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$items['admin/settings/creativecommons-lite'] = array(
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'title' => t('Creative Commons Lite'),
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'description' => t('Configure the Creative Commons licence settings.'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('creativecommons_lite_settings_form'),
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'access arguments' => array('administer creative commons lite')
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);
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return $items;
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}
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/**
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* Implementation of hook_help().
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*/
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function creativecommons_lite_help($path, $arg) {
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$cc_lite_desc = t('A Creative Commons licence helps you publish your work online while letting others know exactly what they can and can\'t do with your work. Creative Commons offers a flexible range of protections and freedoms for authors and artists, built upon the "all rights reserved" concept of traditional copyright to create a voluntary "some rights reserved" copyright.');
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$cc_lite_desc_short = t('Assign a Creative Commons licence to content that appears on the site.');
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$cc_lite_node = t('Attaching a Creative Commons licence to a node within Drupal can designate the content of that node, as well as any attached files, as Creatively Commoned material.');
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$cc_lite_url = sprintf(t('Visit %s for more information.'), '<a href="http://creativecommons.org/learnmore">' . t('the Creative Commons website') . '</a>');
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switch ($path) {
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case 'admin/modules#description':
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return $cc_lite_desc_short;
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case 'admin/settings/creativecommons-lite':
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return para($cc_lite_desc, $cc_lite_node, $cc_lite_url);
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case 'admin/help#creativecommons-lite':
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return para($cc_lite_desc, $cc_lite_node, $cc_lite_url);
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}
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}
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/**
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* Admin settings page
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*/
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function creativecommons_lite_settings_form() {
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// Get all CC licence types
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$types = creativecommons_lite_get_licence_array();
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$form['creativecommons_lite_mandatory'] = array(
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'#type' => 'checkbox',
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'#title' => t('Mandatory licence specification'),
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'#description' => t('Specifies whether or not the user is required to specify a licence.'),
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'#default_value' => variable_get('creativecommons_lite_mandatory', 0),
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);
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$form['creativecommons_lite_no_text'] = array(
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'#type' => 'checkbox',
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'#title' => t('Don\'t display licence text'),
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'#description' => t('Specifies whether or not the licence text should be displayed underneath the licence icons.'),
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'#default_value' => variable_get('creativecommons_lite_no_text', 0),
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);
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$licence_icons = array(
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'buttons_large' => '<img alt="' . $types['by-nc-sa'] . '" src="' . CC_LITE_IMAGE_PATH . 'buttons_large/by-nc-sa.png" />',
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'buttons_small' => '<img alt="' . $types['by-nc-sa'] . '" src="' . CC_LITE_IMAGE_PATH . 'buttons_small/by-nc-sa.png" />',
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'deed_icons' => '<img alt="' . t('Attribution') . '" src="' . CC_LITE_IMAGE_PATH . 'deed_icons/by.png" /><img alt="' . t('Non-Commercial') . '" src="' . CC_LITE_IMAGE_PATH . 'deed_icons/nc.png" /><img alt="' . t('Share Alike') . '" src="' . CC_LITE_IMAGE_PATH . 'deed_icons/sa.png" />',
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'button_srr' => '<img alt="' . t('Some Rights Reserved') . '" src="' . CC_LITE_IMAGE_PATH . 'somerights20.png" />',
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'none' => t('No icon'),
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);
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$form['creativecommons_lite_icon_style'] = array(
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'#type' => 'radios',
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'#title' => t('Licence icon style'),
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'#options' => $licence_icons,
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'#default_value' => variable_get('creativecommons_lite_icon_style', 'buttons_large'),
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);
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$form['creativecommons_lite_default_licence'] = array(
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'#type' => 'select',
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'#title' => t('Default licence'),
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'#description' => t('Licence selected by default when adding a new node.'),
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'#options' => $types,
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'#default_value' => variable_get('creativecommons_lite_default_licence', ''),
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);
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// Remove the first empty option from the licence types
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array_shift($types);
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$form['creativecommons_lite_licence_options'] = array(
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'#type' => 'select',
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'#title' => t('Allowed licences'),
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'#description' => t('Selection of licence types the user can choose from.'),
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'#options' => $types,
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'#multiple' => TRUE,
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'#default_value' => variable_get('creativecommons_lite_licence_options', array_keys($types)),
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);
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$form['creativecommons_lite_jurisdiction'] = array(
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'#type' => 'select',
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'#title' => t('Licence jurisdiction'),
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'#description' => t('Jurisdiction of the applied licence.'),
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'#options' => creativecommons_lite_get_jurisdiction_array('names'),
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'#default_value' => variable_get('creativecommons_lite_jurisdiction', ''),
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);
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return system_settings_form($form);
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function creativecommons_lite_form_alter(&$form, $form_state, $form_id) {
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// setting for which content type this will show up
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if ($form_id == 'node_type_form' && isset($form['identity']['type'])) {
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$node_type = $form['#node_type']->type;
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$form['workflow']["creativecommons_lite"] = array(
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'#type' => 'checkbox',
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'#title' => t('Allow user to add a Creative Commons licence.'),
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'#description'=>t('User will be able to select licence while adding content. Selected licence will be displayed in right block on node view page.'),
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'#return_value' => 1,
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'#default_value' => variable_get("creativecommons_lite_$node_type", 0),
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);
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}
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elseif (isset($form['type']) && $form['type']['#value'] .'_node_form' == $form_id) {
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// add licence selection field to node
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$node = $form['#node']; // got form
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if (variable_get("creativecommons_lite_$node->type", 0)) {
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$form = array_merge($form, creativecommons_lite_form($node));
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$form['creativecommons_lite']['#weight'] = 29; // 30 comment and menu and after that author and publishing
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}
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}
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}
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/**
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* Implementation of hook_form().
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*/
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function creativecommons_lite_form($node) {
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$description = para(
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sprintf(t('%s help you share your work while keeping your copyright. Other people can copy and distribute your work provided they give you credit—and only on the conditions you specify here.'), '<a href="http://creativecommons.org/learn/licenses/">' . t('Creative Commons licences') . '</a>') .
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' ' . sprintf(t('Visit the Creative Commons website for an %s'), '<a href="http://creativecommons.org/about/licenses/meet-the-licenses">' . t('explanation of the different licences') . '.</a>'),
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sprintf(t('Choose the %s if you want to offer your work with no conditions.'), '<a href="http://creativecommons.org/licenses/publicdomain/">' . t('Public Domain licence') . '</a>')
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);
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$types = array();
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// available licence types
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$types = creativecommons_lite_get_licence_array(variable_get('creativecommons_lite_licence_options', NULL));
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// default to the default licence or the first licence if no default licence is set except for existing nodes.
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if (!array_key_exists('cc_lite_licence', $node)) {
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$node->cc_lite_licence = variable_get('creativecommons_lite_default_licence', key($types));
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}
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$form['creativecommons_lite'] = array(
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'#type' => 'fieldset',
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'#title' => t('Creative Commons licence'),
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'#attributes' => array('class'=>'attachments'),
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'#collapsible' => TRUE,
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'#collapsed' => FALSE,
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'#tree' => TRUE,
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);
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$form['creativecommons_lite'][] = array('#value'=>$description);
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$form['creativecommons_lite']['cclite_select_licence_form']['cc_lite_licence'] = array(
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'#type' => 'select',
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'#tree'=> FALSE,
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'#title' => t('Select a licence'),
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'#default_value' => $node->cc_lite_licence,
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'#options' => $types,
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'#required' => variable_get('creativecommons_lite_mandatory', false),
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);
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return $form;
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}
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/**
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* return html of a licence
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*
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* @param unknown_type $licence
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* @return unknown
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*/
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function get_licence_html($licence) {
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$licence_info = get_licence_info($licence);
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$html = "\n<!--Creative Commons Licence-->\n";
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if (variable_get('creativecommons_lite_icon_style', 'buttons_large') != 'none') {
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if ($img = $licence_info['images']) {
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foreach ($img as $img_tag) {
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$html .= l($img_tag, $licence_info['licence_uri'], array(
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'attributes' => array('rel' => 'license', 'title' => $licence_info['licence_name']),
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'html' => TRUE)
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) . "\n";
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}
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$html .= '<br />';
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}
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}
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if (!variable_get('creativecommons_lite_no_text', 0)) {
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$html .= t('This work is licenced under a') .
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' ' . l($licence_info['licence_name'] .
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' ' . t('Creative Commons licence'), $licence_info['licence_uri'], array('attributes' => array('rel' => 'license'))) .
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"<br />\n";
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}
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$html .= "<!--/Creative Commons Licence-->\n";
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return $html;
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}
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/**
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* Implementation of hook_block().
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*/
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function creativecommons_lite_block($op='list', $delta=0, $edit = array()) {
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// listing of blocks, such as on the admin/block page
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if ($op == "list") {
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$blocks[0] = array(
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'info' => t('Creative Commons licence'),
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'weight' => 0,
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'enabled' => 1, // default make it enabled
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'region' => 'right', // garland has no right default
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'theme'=>'garland',
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);
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return $blocks;
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}
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elseif ($op == 'view') {
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switch ($delta) {
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case 0:
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if (!is_numeric(arg(1))) {
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return;
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}
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$nid = (int)arg(1);
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$node = node_load(array('nid'=>$nid));
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if ( $node && arg(0) == 'node' && ( $node->cc_lite_licence ) && ( (arg(2)=='view') || (arg(2)=='') ) ) {
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if ($node->cc_lite_licence) {
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// append html
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$output = get_licence_html($node->cc_lite_licence);
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if ($output) {
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$block['content'] = '<p class="creativecommons">'.$output.'</p>';
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}
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}
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}
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return $block;
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}
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}
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}
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/**
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* Return array of available licences
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*
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* @return unknown
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*/
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function creativecommons_lite_get_licence_array($options = NULL) {
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$types = array();
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$types['by'] = t('Attribution');
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$types['by-nd'] = t('Attribution No Derivatives');
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$types['by-nc-nd'] = t('Attribution Non-commercial No Derivatives');
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$types['by-nc'] = t('Attribution Non-commercial');
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$types['by-nc-sa'] = t('Attribution Non-commercial Share Alike');
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$types['by-sa'] = t('Attribution Share Alike');
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$types['publicdomain'] = t('Public Domain');
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// Only include the provided options
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if (is_array($options)) {
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$types = array_intersect_key($types, $options);
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}
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// Add an empty option to the beginning of the types
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$types = array_merge(array('' => ''), $types);
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return $types;
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}
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function creativecommons_lite_get_jurisdiction_array($filter = null) {
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// Available jurisdictions as of 2008-02-18 retrieved from: http://api.creativecommons.org/rest/1.5/support/jurisdictions
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// License version of each jurisdiction as of 2008-02-18 retrieved for each jurisdiction from http://creativecommons.org/licenses/by-nc-sa/<jurisdiction>/
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$jurisdictions = array(
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'' => array('name' => '', 'version' => '3.0'),
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'ar' => array('name' => 'Argentina', 'version' => '2.5'),
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'au' => array('name' => 'Australia', 'version' => '2.5'),
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'at' => array('name' => 'Austria', 'version' => '2.0'),
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'be' => array('name' => 'Belgium', 'version' => '2.0'),
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'br' => array('name' => 'Brazil', 'version' => '2.5'),
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'bg' => array('name' => 'Bulgaria', 'version' => '2.5'),
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'ca' => array('name' => 'Canada', 'version' => '2.5'),
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'cl' => array('name' => 'Chile', 'version' => '2.0'),
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'cn' => array('name' => 'China Mainland', 'version' => '2.5'),
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'co' => array('name' => 'Colombia', 'version' => '2.5'),
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'hr' => array('name' => 'Croatia', 'version' => '2.5'),
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'hu' => array('name' => 'Hungary', 'version' => '2.5'),
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'dk' => array('name' => 'Denmark', 'version' => '2.5'),
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'fi' => array('name' => 'Finland', 'version' => '1.0'),
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'fr' => array('name' => 'France', 'version' => '2.0'),
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'de' => array('name' => 'Germany', 'version' => '2.0'),
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'il' => array('name' => 'Israel', 'version' => '2.5'),
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'in' => array('name' => 'India', 'version' => '2.5'),
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'it' => array('name' => 'Italy', 'version' => '2.5'),
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'jp' => array('name' => 'Japan', 'version' => '2.1'),
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'kr' => array('name' => 'Korea', 'version' => '2.0'),
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'mk' => array('name' => 'Macedonia', 'version' => '2.5'),
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'my' => array('name' => 'Malaysia', 'version' => '2.5'),
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'mt' => array('name' => 'Malta', 'version' => '2.5'),
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'mx' => array('name' => 'Mexico', 'version' => '2.5'),
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'nl' => array('name' => 'Netherlands', 'version' => '3.0'),
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'pe' => array('name' => 'Peru', 'version' => '2.5'),
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'ph' => array('name' => 'Philippines', 'version' => '3.0'),
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'pl' => array('name' => 'Poland', 'version' => '2.5'),
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'pt' => array('name' => 'Portugal', 'version' => '2.5'),
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'si' => array('name' => 'Slovenia', 'version' => '2.5'),
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'za' => array('name' => 'South Africa', 'version' => '2.5'),
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'es' => array('name' => 'Spain', 'version' => '2.5'),
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'se' => array('name' => 'Sweden', 'version' => '2.5'),
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'ch' => array('name' => 'Switzerland', 'version' => '2.5'),
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'tw' => array('name' => 'Taiwan', 'version' => '2.5'),
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'uk' => array('name' => 'UK: England & Wales', 'version' => '2.0'),
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'scotland' => array('name' => 'UK: Scotland', 'version' => '2.5'),
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'us' => array('name' => 'United States', 'version' => '3.0'),
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'gr' => array('name' => 'Greece', 'version' => '3.0'),
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'lu' => array('name' => 'Luxembourg', 'version' => '3.0'),
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'nz' => array('name' => 'New Zealand', 'version' => '3.0'),
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'rs' => array('name' => 'Serbia', 'version' => '3.0')
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);
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switch ($filter) {
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case 'names':
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$names = array();
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foreach ($jurisdictions as $key => $value) {
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$names[$key] = $value['name'];
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}
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return $names;
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break;
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case 'versions':
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$versions = array();
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foreach ($jurisdictions as $key => $value) {
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$versions[$key] = $value['version'];
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}
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return $versions;
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break;
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default:
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return $jurisdictions;
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break;
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}
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}
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/**
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| 398 |
* Implementation of hook_nodeapi().
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*/
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function creativecommons_lite_nodeapi(&$node, $op, $a3, $a4) {
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switch($op) {
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| 402 |
case 'validate':
|
| 403 |
break;
|
| 404 |
case 'load':
|
| 405 |
if( variable_get("creativecommons_lite_$node->type", 0) ) {
|
| 406 |
$result = db_query("SELECT * FROM {creativecommons_lite} WHERE nid=%d", $node->nid);
|
| 407 |
$res = db_fetch_array($result);
|
| 408 |
$node->cc_lite_licence = $res['licence'];
|
| 409 |
}
|
| 410 |
|
| 411 |
break;
|
| 412 |
case 'view':
|
| 413 |
// added block view
|
| 414 |
break;
|
| 415 |
case 'insert':
|
| 416 |
if( variable_get("creativecommons_lite_$node->type", 0) ) {
|
| 417 |
$result = db_query("INSERT INTO {creativecommons_lite} (nid, licence) VALUES (%d, '%s')", $node->nid, $node->cc_lite_licence);
|
| 418 |
}
|
| 419 |
|
| 420 |
break;
|
| 421 |
case 'update':
|
| 422 |
if( variable_get("creativecommons_lite_$node->type", 0) ) {
|
| 423 |
//check to see if this node already has a licence
|
| 424 |
$result = db_query("SELECT * FROM {creativecommons_lite} WHERE nid = %d", $node->nid);
|
| 425 |
$licence = db_fetch_object($result);
|
| 426 |
|
| 427 |
if (!$licence) {
|
| 428 |
return creativecommons_lite_nodeapi($node, 'insert', $a3, $a4);
|
| 429 |
}
|
| 430 |
|
| 431 |
// update node licence
|
| 432 |
$result = db_query("UPDATE {creativecommons_lite} SET licence='%s' WHERE nid=%d ", $node->cc_lite_licence, $node->nid);
|
| 433 |
}
|
| 434 |
|
| 435 |
break;
|
| 436 |
case 'delete':
|
| 437 |
if (variable_get("creativecommons_lite_$node->type", 0)) {
|
| 438 |
db_query("DELETE FROM {creativecommons_lite} WHERE nid=%d", $node->nid);
|
| 439 |
}
|
| 440 |
|
| 441 |
break;
|
| 442 |
case 'rss item':
|
| 443 |
break;
|
| 444 |
}
|
| 445 |
|
| 446 |
return $output;
|
| 447 |
}
|
| 448 |
|
| 449 |
|
| 450 |
function get_licence_info($licence) {
|
| 451 |
$licence_info = array();
|
| 452 |
$images = array();
|
| 453 |
|
| 454 |
$uri = 'http://creativecommons.org/licenses/';
|
| 455 |
$jurisdiction = variable_get('creativecommons_lite_jurisdiction', '');
|
| 456 |
$icon_style = variable_get('creativecommons_lite_icon_style', 'buttons_large');
|
| 457 |
|
| 458 |
$types = creativecommons_lite_get_licence_array();
|
| 459 |
$versions = creativecommons_lite_get_jurisdiction_array('versions');
|
| 460 |
|
| 461 |
$licence_version = $versions[$jurisdiction] . '/' . ($jurisdiction != '' ? $jurisdiction . '/' : '');
|
| 462 |
|
| 463 |
$licence_info['licence_name'] = $types[$licence];
|
| 464 |
$licence_info['licence_uri'] = $uri . $licence . '/' . ($licence != 'publicdomain' ? $licence_version : '');
|
| 465 |
|
| 466 |
if ($icon_style != 'none') {
|
| 467 |
switch ($icon_style) {
|
| 468 |
case 'deed_icons':
|
| 469 |
$folder = $icon_style . '/';
|
| 470 |
|
| 471 |
$icons = explode('-', $licence);
|
| 472 |
|
| 473 |
foreach($icons as $value) {
|
| 474 |
$images[] = $value . '.png';
|
| 475 |
}
|
| 476 |
|
| 477 |
break;
|
| 478 |
case 'button_srr':
|
| 479 |
$folder = '';
|
| 480 |
|
| 481 |
$images[] = 'somerights20.png';
|
| 482 |
|
| 483 |
break;
|
| 484 |
default:
|
| 485 |
$folder = $icon_style . '/';
|
| 486 |
|
| 487 |
$images[] = $licence . '.png';
|
| 488 |
|
| 489 |
break;
|
| 490 |
}
|
| 491 |
|
| 492 |
foreach($images as $key => $image) {
|
| 493 |
$images[$key] = '<img alt="' . t('Creative Commons licence icon') . '" src="' . CC_LITE_IMAGE_PATH . $folder . $image . '" />';
|
| 494 |
}
|
| 495 |
|
| 496 |
$licence_info['images'] = $images;
|
| 497 |
}
|
| 498 |
|
| 499 |
return $licence_info;
|
| 500 |
}
|
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