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comparison popups_reference.module @ 0:56772e0a00ae

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Import of dev version (2009-01-19)
author Franck Deroche <franck@defr.org>
date Wed, 21 Jan 2009 11:19:01 +0100
parents
children ece8e4be4d6f e1318a313b1d
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-1:000000000000 0:56772e0a00ae
1 <?php
2 // $Id: popups_reference.module,v 1.1.2.6 2009/01/18 22:40:33 starbow Exp $
3
4 /**
5 * @file
6 * Modify the Node Reference widget to use a popup to add a new node.
7 */
8
9
10 /**
11 * Implementation of hook_form_alter().
12 *
13 * Modifies the nodereference setting form and the basic node form.
14 */
15 function popups_reference_form_alter(&$form, $form_state, $form_id) {
16 if ($form_id == 'content_field_edit_form') {
17 // Add a checkbox to the nodereference settings page.
18 $field_name = $form['#field']['field_name'];
19 $form['field']['show_add_link'] = array(
20 '#type' => 'checkbox',
21 '#default_value' => variable_get('popups_reference_show_add_link_'. $field_name, TRUE),
22 '#title' => t('Show the "Add New: Node Type" Popup links'),
23 '#description' => t("Activate Popups:Add and Reference behavior for this reference.")
24 );
25 $form['#submit'][] = '_popups_reference_manage_fields_submit';
26 }
27 elseif (isset($form['type'])) {
28 // Add the "Add New: Node Type" links.
29 $node = $form['#node'];
30 if ($form['type']['#value'] .'_node_form' == $form_id) {
31 $fields = content_fields();
32 foreach ($form as $key => $item) {
33 if (is_array($item)) {
34 $type = $item['#type'];
35 if ($type == 'fieldset') { // Loop through all the subitems.
36 foreach ($form[$key] as $subkey => $subitem) {
37 popups_reference_alter_item($form[$key], $subkey, $subitem, $fields);
38 }
39 }
40 else {
41 popups_reference_alter_item($form, $key, $item, $fields);
42 }
43 }
44
45 }
46 }
47 }
48 }
49
50 /**
51 * Implementation of hook_nodeapi().
52 * Add cookies with node info when a new node is created.
53 * These cookies will be found by the popups_reference behavior and used
54 * to select the newly created node in the reference widget.
55 */
56 function popups_reference_nodeapi($node, $op) {
57 if ($op == 'insert') {
58 $five = time()+300; // 5 minutes in the future.
59 setcookie("PopupRefNid", $node->nid, $five, '/');
60 setcookie("PopupRefTitle", $node->title, $five, '/');
61 }
62 }
63
64 /**
65 * Submit added to the the nodereference settings form.
66 * Set a variable for each nodereference field.
67 */
68 function _popups_reference_manage_fields_submit($form, &$form_state) {
69 $field_name = $form['#field']['field_name'];
70 variable_set('popups_reference_show_add_link_'. $field_name, $form_state['values']['show_add_link']);
71 }
72
73 /**
74 * Run on every element in the basic node form.
75 * Wrap the enabled nodereference fields, and add the popup links.
76 *
77 * @param $form - the form (or fieldgroup).
78 * @param $key - form element name.
79 * @param $item - the form element array.
80 * @param $fields - all fields info.
81 */
82 function popups_reference_alter_item(&$form, $key, $item, $fields) {
83 $field_name = strstr($key, 'field_'); // Check if $key starts with 'field_';
84 if (isset($fields[$field_name]) &&
85 $fields[$field_name]['type'] == 'nodereference' &&
86 variable_get('popups_reference_show_add_link_'. $field_name, TRUE)) {
87 $type = $form['type']['#value'];
88 $field = content_fields($field_name, $form['type']['#value']);
89
90 $wrapper_id = 'popups-reference-' . _popups_reference_counter();
91 $links = _popups_reference_links($field, $type, $wrapper_id, $field['widget']['type']);
92 if ($links) {
93 // Put the nodereference widget and links in an wrapper.
94 // Makes it easy to find for Ahah targeting, and popups_reference behavior selecting.
95 $form[$key]['#prefix'] = '<div id="'. $wrapper_id .'">';
96 $form[$key]['#suffix'] = '<div>Add New: ' . implode(', ', $links) .'</div></div>';
97 }
98 }
99 }
100
101 /**
102 * Generates 'Add new...' link
103 * for each allowed content type
104 *
105 * @param $field
106 * @param $src_type - the type of base node.
107 * @param $wrapper_id - id for the wrapper around the node reference.
108 * @param $type - the type of the node being referenced.
109 * @return Array of html links.
110 */
111 function _popups_reference_links($field, $src_type, $wrapper_id, $type) {
112 if ($type == 'nodereference_select' || $type == 'nodereference_buttons') {
113 // Target the wrapper for replacing.
114 popups_add_popups(array('a.'.$wrapper_id=>array('targetSelectors'=>array('#'.$wrapper_id))));
115 }
116 else if ($type == 'nodereference_autocomplete') {
117 // Don't replace the autocomplete when done.
118 popups_add_popups(array('a.'.$wrapper_id=>array('noUpdate'=>TRUE)));
119 }
120 else { // Unsupported type.
121 return;
122 }
123 $options = array(
124 'attributes' => array(
125 'class' => $wrapper_id . ' popups-reference',
126 'rel' => $wrapper_id,
127 ),
128 'query' => array('destination' => 'node/add/' . str_replace('_', '-', $src_type)),
129 );
130 $links = array();
131 $all_types = node_get_types();
132 foreach ($field['referenceable_types'] as $add_type => $value) {
133 if (!empty($value) && user_access("create $add_type content")) {
134 drupal_add_js(drupal_get_path('module', 'popups_reference') .'/popups_reference.js');
135 $path = 'node/add/' . str_replace('_', '-', $add_type);
136 $links[] = l("Add $add_type", $path, $options);
137 }
138 }
139 return $links;
140 }
141
142 /**
143 * A counter for generating unique element id's.
144 *
145 * @return int: next integer.
146 */
147 function _popups_reference_counter() {
148 static $count = 0;
149 return $count++;
150 }
151