functions/page_header.php

   1 <?php
   2
   3 /**
   4  * page_header.php
   5  *
   6  * Prints the page header (duh)
   7  *
   8  * @copyright &copy; 1999-2006 The SquirrelMail Project Team
   9  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  10  * @version $Id$
  11  * @package squirrelmail
  12  */
  13
  14 /** Include required files from SM */
  15 include_once(SM_PATH . 'functions/imap_mailbox.php');
  16
  17 /**
  18  * Output a SquirrelMail page header, from <!doctype> to </head>
  19  * Always set up the language before calling these functions.
  20  *
  21  * Since 1.5.1 function sends http headers. Function should be called
  22  * before any output is started.
  23  * @param string title the page title, default SquirrelMail.
  24  * @param string xtra extra HTML to insert into the header
  25  * @param bool do_hook whether to execute hooks, default true
  26  * @param bool frames generate html frameset doctype (since 1.5.1)
  27  * @return void
  28  */
  29 function displayHtmlHeader( $title = 'SquirrelMail', $xtra = '', $do_hook = TRUE, $frames = FALSE ) {
  30     global $squirrelmail_language, $sTemplateID, $oErrorHandler, $oTemplate;
  31
  32     if ( !sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION) ) {
  33         global $base_uri;
  34     }
  35     global $custom_css, $pageheader_sent, $theme, $theme_default, $text_direction,
  36         $default_fontset, $chosen_fontset, $default_fontsize, $chosen_fontsize,
  37         $chosen_theme, $chosen_theme_path, $user_themes, $user_theme_default;
  38
  39     /* add no cache headers here */
  40 //FIXME: should change all header() calls in SM core to use $oTemplate->header()!!
  41     $oTemplate->header('Pragma: no-cache'); // http 1.0 (rfc1945)
  42     $oTemplate->header('Cache-Control: private, no-cache, no-store'); // http 1.1 (rfc2616)
  43
  44     $oTemplate->assign('frames', $frames);
  45     $oTemplate->assign('lang', $squirrelmail_language);
  46
  47     $header_tags = '';
  48
  49     $header_tags .= "<meta name=\"robots\" content=\"noindex,nofollow\">\n";
  50
  51     $used_fontset = (!empty($chosen_fontset) ? $chosen_fontset : $default_fontset);
  52     $used_fontsize = (!empty($chosen_fontsize) ? $chosen_fontsize : $default_fontsize);
  53     $used_theme = !isset($chosen_theme) && $user_theme_default != 'none' && is_dir($chosen_theme) && is_readable($chosen_theme)?  $user_themes[$user_theme_default]['PATH'].'/default.css' : $chosen_theme_path;
  54
  55     /**
  56      * Stylesheets are loaded in the following order:
  57      *    1) All stylesheets provided by the template.  Normally, these are
  58      *       stylsheets in templates/<template>/css/.  This is accomplished by calling
  59      *       $oTemplate->fetch_standard_stylesheet_links().
  60      *    2) An optional user-defined stylesheet.  This is set in the Display
  61      *       Preferences.
  62      *    3) src/style.php which sets some basic font prefs.
  63      *    4) If we are dealing with an RTL language, we load rtl.css from the
  64      *       template set.
  65      */
  66
  67     // 1. Stylesheets from the template.
  68     $header_tags .= $oTemplate->fetch_standard_stylesheet_links();
  69
  70     $aUserStyles = array();
  71
  72     // 2. Option user-defined stylesheet from preferences.
  73     if (!empty($used_theme)) {
  74         /**
  75          * All styles just point to a directory, so we need to include all .css
  76          * files in that directory.
  77          */
  78         $styles = list_files($used_theme, '.css');
  79         foreach ($styles as $sheet) {
  80             $aUserStyles[] = $used_theme .'/'.$sheet;
  81         }
  82     }
  83
  84     // 3. src/style.php
  85     $aUserStyles[] = $base_uri .'src/style.php?'
  86                    . (!empty($used_fontset) ? '&amp;fontset='.$used_fontset : '')
  87                    . (!empty($used_fontsize) ? '&amp;fontsize='.$used_fontsize : '');
  88
  89     // 3.1.  Load the stylesheets we have already
  90     $header_tags .= $oTemplate->fetch_external_stylesheet_links($aUserStyles);
  91
  92     // 4. Optional rtl.css stylesheet
  93     if ($text_direction == 'rtl') {
  94         $header_tags .= $oTemplate->fetch_right_to_left_stylesheet_link();
  95     }
  96
  97     if ($squirrelmail_language == 'ja_JP') {
  98         /*
  99          * force correct detection of charset, when browser does not follow
 100          * http content-type and tries to detect charset from page content.
 101          * Shooting of browser's creator can't be implemented in php.
 102          * We might get rid of it, if we follow http://www.w3.org/TR/japanese-xml/
 103          * recommendations and switch to unicode.
 104          */
 105         $header_tags .= "<!-- \xfd\xfe -->\n";
 106         $header_tags .= '<meta http-equiv="Content-type" content="text/html; charset=euc-jp">' . "\n";
 107     }
 108     if ($do_hook) {
 109         // NOTE! plugins here must assign output to template
 110         //       and NOT echo anything directly!!
 111         do_hook('generic_header');
 112     }
 113
 114     $header_tags .= $xtra;
 115     $oTemplate->assign('page_title', $title);
 116
 117     /* work around IE6's scrollbar bug */
 118     $header_tags .= <<<EOS
 119 <!--[if IE 6]>
 120 <style type="text/css">
 121 /* avoid stupid IE6 bug with frames and scrollbars */
 122 body {
 123     width: expression(document.documentElement.clientWidth - 30);
 124 }
 125 </style>
 126 <![endif]-->
 127
 128 EOS;
 129
 130     $oTemplate->assign('header_tags', $header_tags);
 131     $oTemplate->display('protocol_header.tpl');
 132
 133     /* this is used to check elsewhere whether we should call this function */
 134     $pageheader_sent = TRUE;
 135     if (isset($oErrorHandler)) {
 136         $oErrorHandler->HeaderSent();
 137     }
 138
 139 }
 140
 141 /**
 142  * Given a path to a SquirrelMail file, return a HTML link to it
 143  *
 144  * @param string path the SquirrelMail file to link to
 145  * @param string text the link text
 146  * @param string target the target frame for this link
 147  */
 148 function makeInternalLink($path, $text, $target='') {
 149     global $base_uri;
 150 //    sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
 151     if ($target != '') {
 152         $target = " target=\"$target\"";
 153     }
 154
 155     // This is an inefficient hook and is only used by
 156     // one plugin that still needs to patch this code,
 157     // plus if we are templat-izing SM, visual hooks
 158     // are not needed.  However, I am leaving the code
 159     // here just in case we find a good (non-visual?)
 160     // use for the internal_link hook.
 161     //
 162     //$hooktext = do_hook_function('internal_link',$text);
 163     //if ($hooktext != '')
 164     //    $text = $hooktext;
 165
 166     return '<a href="'.$base_uri.$path.'"'.$target.'>'.$text.'</a>';
 167 }
 168
 169 /**
 170  * Same as makeInternalLink, but echoes it too
 171  */
 172 function displayInternalLink($path, $text, $target='') {
 173 // FIXME: should let the template echo all these kinds of things
 174     echo makeInternalLink($path, $text, $target);
 175 }
 176
 177 /**
 178  * Outputs a complete SquirrelMail page header, starting with <!doctype> and
 179  * including the default menu bar. Uses displayHtmlHeader and takes
 180  * JavaScript and locale settings into account.
 181  *
 182  * @param array color the array of theme colors
 183  * @param string mailbox the current mailbox name to display
 184  * @param string sHeaderJs javascipt code to be inserted in a script block in the header
 185  * @param string sBodyTagJs js events to be inserted in the body tag
 186  * @return void
 187  */
 188
 189 function displayPageHeader($color, $mailbox, $sHeaderJs='', $sBodyTagJs = '') {
 190
 191     global $reply_focus, $hide_sm_attributions, $frame_top,
 192         $provider_name, $provider_uri, $startMessage,
 193         $javascript_on, $action, $oTemplate;
 194
 195     if (empty($sBodyTagJs)) {
 196         if (strpos($action, 'reply') !== FALSE && $reply_focus) {
 197         if ($reply_focus == 'select')
 198             $sBodyTagJs = 'onload="checkForm(\'select\');"';
 199         else if ($reply_focus == 'focus')
 200             $sBodyTagJs = 'onload="checkForm(\'focus\');"';
 201         else if ($reply_focus != 'none')
 202             $sBodyTagJs = 'onload="checkForm();"';
 203         }
 204         else
 205         $sBodyTagJs = 'onload="checkForm();"';
 206     }
 207
 208     $urlMailbox = urlencode($mailbox);
 209     $startMessage = (int)$startMessage;
 210
 211     sqgetGlobalVar('delimiter', $delimiter, SQ_SESSION );
 212
 213     if (!isset($frame_top)) {
 214         $frame_top = '_top';
 215     }
 216
 217     if( $javascript_on || strpos($sHeaderJs, 'new_js_autodetect_results.value') ) {
 218         $js_includes = $oTemplate->get_javascript_includes(TRUE);
 219         $sJsBlock = '';
 220         foreach ($js_includes as $js_file) {
 221             $sJsBlock .= '<script src="'.$js_file.'" type="text/javascript"></script>' ."\n";
 222         }
 223         if ($sHeaderJs) {
 224             $sJsBlock .= "\n<script type=\"text/javascript\">" .
 225                         "\n<!--\n" .
 226                         $sHeaderJs . "\n\n// -->\n</script>\n";
 227         }
 228         displayHtmlHeader ('SquirrelMail', $sJsBlock);
 229     } else {
 230         /* do not use JavaScript */
 231         displayHtmlHeader ('SquirrelMail');
 232         $sBodyTagJs = '';
 233     }
 234     /*
 235      * this explains the imap_mailbox.php dependency. We should instead store
 236      * the selected mailbox in the session and fallback to the session var.
 237      */
 238     $shortBoxName = htmlspecialchars(imap_utf7_decode_local(
 239                 readShortMailboxName($mailbox, $delimiter)));
 240     if ( $shortBoxName == 'INBOX' ) {
 241         $shortBoxName = _("INBOX");
 242     }
 243
 244     $sm_attributes = '';
 245     if (!$hide_sm_attributions) {
 246         $sm_attributes .= '<td class="sqm_providerInfo">' ."\n";
 247         if (empty($provider_uri)) {
 248             $sm_attributes .= '   <a href="about.php">SquirrelMail</a>';
 249         } else {
 250             if (empty($provider_name)) $provider_name= 'SquirrelMail';
 251             $sm_attributes .= '   <a href="'.$provider_uri.'" target="_blank">'.$provider_name.'</a>'."\n";
 252         }
 253         $sm_attributes .= "  </td>\n";
 254     }
 255
 256     $oTemplate->assign('body_tag_js', $sBodyTagJs);
 257     $oTemplate->assign('shortBoxName', $shortBoxName);
 258     $oTemplate->assign('sm_attribute_str', $sm_attributes);
 259     $oTemplate->assign('frame_top', $frame_top);
 260     $oTemplate->assign('urlMailbox', $urlMailbox);
 261     $oTemplate->assign('startMessage', $startMessage);
 262     $oTemplate->assign('hide_sm_attributions', $hide_sm_attributions);
 263     $oTemplate->display('page_header.tpl');
 264 }
 265
 266 /**
 267  * Blatantly copied/truncated/modified from displayPageHeader.
 268  * Outputs a page header specifically for the compose_in_new popup window
 269  *
 270  * @param array color the array of theme colors
 271  * @param string mailbox the current mailbox name to display
 272  * @param string sHeaderJs javascipt code to be inserted in a script block in the header
 273  * @param string sBodyTagJs js events to be inserted in the body tag
 274  * @return void
 275  */
 276 function compose_Header($color, $mailbox, $sHeaderJs='', $sBodyTagJs = '') {
 277
 278     global $reply_focus, $javascript_on, $action, $oTemplate;
 279
 280     if (empty($sBodyTagJs)) {
 281         if (strpos($action, 'reply') !== FALSE && $reply_focus) {
 282         if ($reply_focus == 'select')
 283             $sBodyTagJs = 'onload="checkForm(\'select\');"';
 284         else if ($reply_focus == 'focus')
 285             $sBodyTagJs = 'onload="checkForm(\'focus\');"';
 286         else if ($reply_focus != 'none')
 287             $sBodyTagJs = 'onload="checkForm();"';
 288         }
 289         else
 290         $sBodyTagJs = 'onload="checkForm();"';
 291     }
 292
 293
 294     /*
 295      * Locate the first displayable form element (only when JavaScript on)
 296      */
 297     if($javascript_on) {
 298         if ($sHeaderJs) {
 299             $sJsBlock = "\n<script type=\"text/javascript\">" .
 300                         "\n<!--\n" .
 301                         $sHeaderJs . "\n\n// -->\n</script>\n";
 302         } else {
 303         $sJsBlock = '';
 304         }
 305         $sJsBlock .= "\n";
 306
 307         $js_includes = $oTemplate->get_javascript_includes(TRUE);
 308         foreach ($js_includes as $js_file) {
 309             $sJsBlock .= '<script src="'.$js_file.'" type="text/javascript"></script>' ."\n";
 310         }
 311
 312         displayHtmlHeader (_("Compose"), $sJsBlock);
 313     } else {
 314         /* javascript off */
 315         displayHtmlHeader(_("Compose"));
 316         $onload = '';
 317     }
 318 // FIXME: should let the template echo all these kinds of things
 319     echo "<body text=\"$color[8]\" bgcolor=\"$color[4]\" link=\"$color[7]\" vlink=\"$color[7]\" alink=\"$color[7]\" $sBodyTagJs>\n\n";
 320 }