/[drupal]/contributions/modules/image_pub/image_pub.common.inc
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revision 1.1, Sat Jan 31 02:00:25 2009 UTC revision 1.1.2.1, Sat Jan 31 02:00:25 2009 UTC
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1    <?php
2    // $Id: image_pub.common.inc,v 1.16 2008/12/02 22:46:58 egfrith Exp $
3    
4    /*
5     * Generalized helper functions for tasks that require tight integration
6     * with other parts of Drupal, such as image.module and taxonomy.module.
7     *      _image_pub_get_vid()
8     *      _image_pub_base_url()
9     *      _image_pub_image_baseurl()
10     *      _image_pub_get_imagefilename()
11     *      _image_pub_get_imageinfo()
12     *      _image_pub_album_get()
13     *      _image_pub_album_enum()
14     *      _image_pub_album_selector()
15     *      _image_pub_album_access()
16     *      _image_pub_album_images()
17     *
18     *      _image_pub_authenticate()
19     *      _image_pub_album_add()
20     *      _image_pub_image_add()
21     */
22    
23    require_once 'image_pub.common.inc';
24    
25    function _image_pub_get_vid() {
26      return _image_gallery_get_vid();
27    }
28    function _image_pub_base_url() {
29      global $base_url;
30      return $base_url;
31    }
32    function _image_pub_image_baseurl() {
33      return _image_pub_base_url() .'/'. variable_get('file_directory_path', 'files') .'/'. variable_get('image_default_path', 'images');
34    }
35    function _image_pub_get_imagefilename($node, $size = '_original') {
36      $fname = $node->images[$size];
37      if (isset($fname)) {
38        $imgbase = variable_get('image_default_path', 'images') .'/';
39        if (!strncmp($fname, $imgbase, strlen($imgbase))) {
40          $fname = substr($fname, strlen($imgbase));
41        }
42      }
43      return $fname;
44    }
45    function _image_pub_get_imageinfo($node, $size = '_original') {
46      $file = file_create_path($node->images[$size]);
47      $info = image_get_info($file);
48      $info['filesize'] = filesize($file);
49      return $info;
50    }
51    function _image_pub_album_get($albumid) {
52    
53      $term = taxonomy_get_term($albumid);
54      if (!$term) {
55            if ($albumid == 0) {
56          $term = taxonomy_get_term('<root>');
57        }
58        else {
59          $term = NULL;
60        }
61      }
62      return $term;
63    }
64    function _image_pub_album_enum($albumid = 0, $subalbums = TRUE) {
65      return taxonomy_get_tree(_image_pub_get_vid(), $albumid, -1,
66                               ($subalbums ? NULL : 1));
67    }
68    function _image_pub_album_selector($fname, $showroot = FALSE, $selalbum = NULL) {
69      /* This is mostly redundant with taxonomy_form(). */
70      $body = array();
71      $tree = _image_pub_album_enum();
72      $options = array();
73      $albumid = 0;
74      if (isset($selalbum)) {
75        $albumid = $selalbum->tid;
76      }
77      if ($showroot) {
78        $options[0] = '&lt;Root Album&gt;';
79      }
80      if ($tree) {
81        foreach ($tree as $term) {
82          if (!$showroot && ($albumid == 0)) {
83            $albumid = $term->tid;
84          }
85          $dashes = '';
86          for ($i = 0; $i < $term->depth; $i++) {
87            $dashes .= '-';
88          }
89          $options[$term->tid] = $dashes . $term->name;
90        }
91      }
92      $body[] = '<select name="' . $fname . '">';
93      foreach ($options as $aid => $term) {
94        $sel = '';
95        if ($aid == $albumid) {
96          $sel = ' selected="selected"';
97        }
98        $body[] = '<option value="' .$aid . '"' . $sel . '>' . $term . '</option>';
99      }
100      $body[] = '</select>';
101      return implode("\r\n", $body);
102    }
103    
104    function _image_pub_album_access($type, $album) {
105      switch ($type) {
106        case 'view':
107          return user_access('access content');
108        case 'update':
109          return user_access('administer images');
110        case 'create':
111          return user_access('create images');
112      }
113      return FALSE;
114    }
115    function _image_pub_album_images($tid) {
116      $nodes = array();
117      $sql = "SELECT n.nid FROM {node} n INNER JOIN {term_node} t ON t.nid = n.nid WHERE t.tid = $tid AND n.type = 'image';";
118      $res = db_query($sql);
119      while ($term = db_fetch_object($res)) {
120        $nodes[] = node_load(array('nid' => $term->nid));
121      }
122      return $nodes;
123    }
124    function _image_pub_authenticate($uname, $pass) {
125      global $user;
126      if ($user->uid) {
127        watchdog('image_pub', 'Session closed for %user', array('%user' => theme('placeholder', $user->name)));
128        unset($user);
129      }
130      $user = user_authenticate(array('name' => $uname, 'pass' => $pass));
131      if (!$user->uid) {
132        return FALSE;
133      }
134      watchdog('image_pub', 'Session opened for %user', array('%user' => theme('placeholder', $user->name)));
135      return TRUE;
136    }
137    function _image_pub_album_add($title, $descr, $palbum) {
138      watchdog('image_pub', 'Album added with title %title', array('%title' => $title));
139    
140      if (empty($title)) {
141        $title = 'Untitled album';
142      }
143      $edit = array(
144        'name' => $title,
145        'description' => $descr,
146        'vid' => _image_pub_get_vid(),
147        'parent' => array(isset($palbum) ? $palbum->tid : 0),
148        'weight' => 0,
149      );
150      $term = taxonomy_save_term($edit);
151      if (isset($term)) {
152        // taxonomy_save_term amends $edit directly, and simply returns a status
153        // return (object)$edit;
154        return (object)$edit;
155      }
156      return NULL;
157    }
158    function _image_pub_image_add($album, $caption, $description, $srcfield) {
159      global $user;
160      if (!isset($_FILES[$srcfield])) {
161        return array('success' => FALSE,
162                     'reason' => 'Forgetting a file?');
163      }
164    
165      if (empty($caption)) {
166        $caption = $_POST['force_filename'];
167        if (empty($caption)) {
168          $caption = basename($_FILES[$srcfield]['name']);
169          if (empty($caption)) {
170            $caption = 'Untitled image';
171          }
172        }
173      }
174    
175      // Create a drupal node
176      // In order for the image upload to work, the name, tmp_name and error
177      // of the $_FILES[$srcfield] have to be copied to locations
178      // that file_check_upload() recognises.
179      // The size needs to go into $_FILES['files']['size']['image'] for image
180      // module's size checking to occur.
181      $_FILES['files']['name']['image'] = $_FILES[$srcfield]['name'];
182      $_FILES['files']['tmp_name']['image'] = $_FILES[$srcfield]['tmp_name'];
183      $_FILES['files']['error']['image'] = $_FILES[$srcfield]['error'];
184      $_FILES['files']['size']['image'] = filesize($_FILES[$srcfield]['tmp_name']);
185    
186      $form_state = array();
187      module_load_include('inc', 'node', 'node.pages');
188      $node = array('type' => 'image');
189      $form_state['values']['title'] = $caption;
190      $form_state['values']['uid'] = $user->uid;
191      $form_state['values']['name'] = $user->name;
192      $form_state['values']['body_field'] = $description;
193      $form_state['values']['taxonomy'][_image_pub_get_vid()] = $album->tid;
194      $form_state['values']['op'] = t('Save');
195      $redirect_url = drupal_execute('image_node_form', $form_state, (object)$node);
196    
197      // Check that the uploaded image was accepted.
198      $errors = form_get_errors();
199      if (!empty($errors)) {
200        return array('success' => FALSE,
201                     'reason' => strip_tags(implode($errors, ' ')));
202      }
203    
204      watchdog('image_pub', '%image was added.', array('%image' => $_FILES[$srcfield]['name']));
205      return array('success' => TRUE, 'redirect_url' => $redirect_url);
206    }
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