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<?php //Dear emacs, please make this buffer -*- php -*-
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// $Id$
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/**
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* @file
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* This file contains a set of constructions that help us formatting the
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* output of LDAP searches and views.
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*
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* Copyright (C) 2006 Andre dos Anjos
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*
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* This file is part of the ldap_addresbook module for Drupal.
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*
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* The ldap_addressbook module is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place, Suite 330, Boston, MA 02111-1307 USA
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**/
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/**
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* Returns the name of a temporary file which contains the image given as
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* parameter rescaled to fit the given maximum size parameter. The rescaling
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* executed by this function will have optimal resampling.
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*
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* @param $original_imagefilename The input jpeg image file
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* @param $size_hint The maximum size hint for this image
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* @param $tmp_path The temporary directory where to put the resulting file
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* @param $prefix A string prefix, so I can generate a filename that is easy
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* to identify
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**/
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function _lab_rescale_file($original_imagefilename, $size_hint,
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$tmp_path, $prefix) {
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$value = getimagesize($original_imagefilename);
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if (!$value) return FALSE;
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list($width_orig, $height_orig, $type_orig, $attr_orig) = $value;
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$width = $width_orig;
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$height = $height_orig;
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if ($width > $height) {
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if ($width > 0) $height = ((float)$size_hint/$width) * $height_orig;
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$width = $size_hint;
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}
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else {
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if ($height > 0) $width = ((float)$size_hint/$height) * $width_orig;
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$height = $size_hint;
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}
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//trigger_error('Resizing image to (w x h) = ('.$width.' x '.$height.')');
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// Resample
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$resampled_image = imagecreatetruecolor($width, $height);
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$image = imagecreatefromjpeg($original_imagefilename);
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imagecopyresampled($resampled_image, $image, 0, 0, 0, 0, $width, $height,
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$width_orig, $height_orig);
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// Save again
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$resampled_imagefilename = tempnam($tmp_path, $prefix);
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imagejpeg($resampled_image, $resampled_imagefilename, 100);
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// Destroy the existing images
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imagedestroy($image);
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imagedestroy($resampled_image);
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// Return happily
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chmod($resampled_imagefilename, 0644);
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return $resampled_imagefilename;
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}
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/**
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* Returns the name of a temporary file which contains the image given as
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* parameter rescaled to fit the given maximum size parameter. The rescaling
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* executed by this function will have optimal resampling.
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*
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* @param $jpeg The input jpeg image
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* @param $size_hint The maximum size hint for this image
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* @param $tmp_path The temporary directory where to put the resulting file
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* @param $prefix A string prefix, so I can generate a filename that is easy
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* to identify
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**/
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function _lab_rescale($jpeg, $size_hint, $tmp_path, $prefix) {
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//save the jpeg initially
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$original_imagefilename = tempnam($tmp_path, $prefix);
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$original_imagefile = fopen($original_imagefilename, 'wb');
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fwrite($original_imagefile, $jpeg);
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fclose($original_imagefile);
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$resampled_imagefilename =
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_lab_rescale_file($original_imagefilename, $size_hint,
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$tmp_path, $prefix);
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// Remove the original file
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unlink($original_imagefilename);
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return $resampled_imagefilename; //this may be false
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}
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/**
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* This function translates the names and meanings of most of the LDAP fields
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* of interest. If you have any strings wishing translation, just place them
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* here.
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*
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* @param k The name of the string needing translation
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* @return The human-readable format of the string, if available, or itself.
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**/
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function _lat($k) {
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$dict = array('cn' => t('Name'),
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'givenname' => t('First name'),
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'sn' => t('Last name'),
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'jpegphoto' => t('Photo'),
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'mail' => t('E-mail'),
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'homepostaladdress' => t('Home address'),
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'postaladdress' => t('Work address'),
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'postalcode' => t('Work postal code'),
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'postalcode' => t('Work zip'),
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'initials' => t('Initials'),
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'title' => t('Title'),
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'telephonenumber' => t('Telephone'),
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'homephone' => t('Private phone number'),
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'mobile' => t('Mobile'),
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'o' => t('Organization'),
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'labeleduri' => t('Web address'));
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$lk = strtolower($k);
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if (array_key_exists($lk, $dict)) {
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return $dict[$lk];
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}
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return $k;
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}
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/**
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* This function can output a Drupal themed table that contains 1 addressbook
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* contact in compact form. This is the reasoning behind this view:
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* # The user photo, if there is any, is reduced
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* # The phone numbers are all cluttered together
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* # The mail and URL are grouped together
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* # We use graphical icons to show the view/edit/delete urls, since they are
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* more compact than text.
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*
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* @param $info The entry from the LDAP server
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* @param $summary The summary fields I'm supposed to work with
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* @param $path The path to the module
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* @param $tmp_path The temporary directory where I should be able to create
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* temporary files.
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* @param $edit TRUE if the user has edit permissions (this will make me
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* generate links for the edit and delete panes.
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* @param $privacy The privacy keyword to fill in to the links (either
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* 'global', for global addressbook entries or 'private').
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*
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* @param $info An LDAP entry for which you want to create a compact view.
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*/
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function _lab_compact_view($info, $summary, $path, $tmp_path, $edit, $privacy) {
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$cn = $info["cn"][0];
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$row = array();
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$imgdir = "modules/$path/image";
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$images = l(theme_image($imgdir.'/view.png', t('view'), t('view')),
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$path."/node/$privacy/$cn/view", array(), NULL, NULL, FALSE, TRUE);
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if ($edit) {
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$images .= '<br />'.
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l(theme_image($imgdir.'/edit.png', t('edit'), t('edit')),
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$path."/node/$privacy/$cn/edit", array(), NULL, NULL, FALSE, TRUE).
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'<br />'.
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l(theme_image($imgdir.'/delete.png', t('delete'), t('delete')),
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$path."/node/$privacy/$cn/delete", array(), NULL, NULL, FALSE, TRUE);
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}
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$row[] = $images;
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//jpeg photo comes first
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if (in_array('jpegphoto', $summary)) {
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if(array_key_exists('jpegphoto', $info)) {
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$imagefilename = _lab_rescale($info['jpegphoto'][0], 70,
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$tmp_path, $path);
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if (!$imagefilename) {
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drupal_set_message(t("JPEG image for contact '$cn' seems corrupted. Fix it whenever possible!"));
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$row[] = l(t("[Corrupted image]"),
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$path."/node/$privacy/$cn/view", array(), NULL, NULL, FALSE, TRUE);
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}
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else {
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$row[] = l(theme_image($imagefilename, '['.$info['cn'][0].'\'s photo]',
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'['.$info['cn'][0].'\'s photo]'),
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$path."/node/$privacy/$cn/view", array(), NULL, NULL, FALSE, TRUE);
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}
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}
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else $row[] = l(t("[No photo]"),
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$path."/node/$privacy/$cn/view", array(), NULL, NULL, FALSE, TRUE);
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;
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}
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//CN gets the e-mail link and the URL under it
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$newcolumn = "<b>$cn</b><br /><br />";
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if (array_key_exists('mail', $info)) {
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$mail = $info['mail'][0];
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$newcolumn .= '<a href="mailto:'.$mail.'">'.
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theme_image($imgdir.'/mail.png', t("e-mail to $cn"), t("e-mail to $cn"),
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array("style" => " vertical-align:middle")).$mail.'</a>';
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}
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if (array_key_exists('labeleduri', $info)) {
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$url = $info['labeleduri'][0];
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$newcolumn .= '<br /><a href="'.$url.'">'.
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theme_image($imgdir.'/home.png', t("visit $cn's homepage"),
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t("visit $cn's homepage"),
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array("style" => " vertical-align:middle")).$url.'</a>';
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}
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$row[] = $newcolumn;
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//Phone numbers
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$newcolumn = '';
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if (array_key_exists('telephonenumber', $info))
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$newcolumn .= '<b>'.t('Main').'</b>:'.$info['telephonenumber'][0];
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if (array_key_exists('homephone', $info))
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$newcolumn .= '<br />'.
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theme_image($imgdir.'/home.png', t("visit $cn's homepage"),
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t("visit $cn's homepage"),
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array("style" => " vertical-align:middle")).
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$info['homephone'][0];
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if (array_key_exists('mobile', $info))
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$newcolumn .= '<br /><b>'._lat('mobile').':</b>'.$info['mobile'][0];
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$row[] = $newcolumn;
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$exclude = array('cn', 'jpegphoto', 'mail', 'labeleduri',
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'telephonenumber', 'homephone', 'mobile');
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foreach ($summary as $field) {
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if (in_array($field, $exclude)) continue;
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$value = $info[$field][0];
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if ($field == 'mail')
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$row[] = "<a href=\"mailto:$value\">$value</a>";
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else if ($field == 'labeleduri')
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$row[] = "<a href=\"$value\">$value</a>";
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else
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$row[] = $value;
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}
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return $row;
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}
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/**
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* This function can output a Drupal themed table that contains many
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* addressbook contacts in compact format.
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*
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* @param $info The entries from the LDAP server
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* @param $fields The fields I'm supposed to work with
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* @param $path The path to the module
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* @param $tmp_path The temporary directory where I should be able to create
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* temporary files.
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* @param $edit TRUE if the user has edit permissions (this will make me
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* generate links for the edit and delete panes.
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* @param $privacy The privacy keyword to fill in to the links (either
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* 'global', for global addressbook entries or 'private').
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*
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* @param $info An LDAP entry for which you want to create a compact view.
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*/
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function _lab_multi_view($info, $summary, $path, $tmp_path, $edit, $privacy) {
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$table_head = array();
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$table_row = array();
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$table_head[] = '';
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//jpeg photo comes first
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if (in_array('jpegphoto', $summary)) $table_head[] = _lat('jpegphoto');
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$table_head[] = _lat('cn');
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if (in_array('telephonenumber', $summary) ||
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in_array('homephone', $summary) ||
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in_array('mobile', $summary));
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$table_head[] = _lat('telephonenumber');
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$exclude = array('cn', 'jpegphoto', 'mail', 'labeleduri',
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'telephonenumber', 'homephone', 'mobile');
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foreach ($summary as $field) {
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if (in_array($field, $exclude)) continue;
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$table_head[] = l(_lat($field), $path."/search/$privacy/$what/$field");
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}
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for ($i=0; $i<count($info); $i++)
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$table_row[] = _lab_compact_view($info[$i], $summary, $path, $tmp_path,
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$edit, $privacy);
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$table_attrs = array("width" => "100%");
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return theme_table($table_head, $table_row, $table_attrs);
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}
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/**
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* This function can output a Drupal themed table that contains 1 addressbook
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* contact in extended form.
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*
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* @param $info The entry from the LDAP server
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* @param $fields The fields I'm supposed to work with
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* @param $path The path to the module
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* @param $tmp_path The temporary directory where I should be able to create
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* temporary files.
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*
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* @param $info An LDAP entry for which you want to create a compact view.
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*/
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function _lab_view($info, $fields, $path, $tmp_path) {
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$table_head = array();
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$table_row = array();
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$cn = $info['cn'][0];
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if(array_key_exists('jpegphoto', $info)) {
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$name_entry = array('data' => '<h2>'.$cn.'</h2>');
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$imagefilename =
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_lab_rescale($info['jpegphoto'][0], 100, $tmp_path, $path);
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if (!$imagefilename) {
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drupal_set_message(t("JPEG image for contact '$cn' seems corrupted. Fix it whenever possible!"));
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$image_entry = '[Corrupted image]';
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}
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else {
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$image_entry = theme_image($imagefilename, '['.$cn.'\'s photo]',
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'['.$cn.'\'s photo]');
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}
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$table_row[0] = array($image_entry, $name_entry);
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}
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else {
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$name_entry = array('data' => '<h2>'.$cn.'</h2>',
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'colspan' => 2);
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$table_row[0] = array($name_entry);
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}
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$special = array('jpegphoto', 'cn');
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$i = 1;
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foreach ($fields as $field) {
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$lfield = strtolower($field);
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if (in_array($field, $special)) continue;
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$value = '';
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if (array_key_exists($field, $info))
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$value = $info[$field][0];
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if (array_key_exists($lfield, $info))
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$value = $info[$lfield][0];
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if ($lfield == 'mail' && !empty($value))
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$value = "<a href=\"mailto:$value\">$value</a>";
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else if ($lfield == 'labeleduri' && !empty($value))
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$value = "<a href=\"$value\">$value</a>";
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if (!empty($value)) {
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$value_entry = array('data' => $value);
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$table_row[$i] = array('<b>'._lat($field).':</b>', $value_entry);
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$i++;
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}
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}
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//$table_attrs = array("width" => "100%");
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return theme_table($table_head, $table_row, $table_attrs);
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}
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?>
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