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<?php
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function phptemplate_preprocess_page(&$vars) {
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$themepath = path_to_theme();
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$basepath = base_path();
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// look for a navigation, content, search links etc
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foreach ($vars as $key=>$value) {
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if (is_string($value) && strpos($value, 'navigation-link')) {
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$vars['navigation_link'] = true;
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}
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if (is_string($value) && strpos($value, 'search-link')) {
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$vars['search_link'] = true;
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}
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}
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// is there an accessibility guide?
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$access_guide = theme_get_setting('accessibility_guide_url');
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if ($access_guide && $access_guide != '') {
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$access_guide = l(t('Accessibility guide'), $access_guide);
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} else {
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$access_guide = false;
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}
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$vars['access_guide'] = $access_guide;
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// are there additional stylesheets
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$css_sheets = theme_get_setting('css_sheets');
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if ($css_sheets) {
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$css_sheets = explode("\n", $css_sheets);
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foreach ($css_sheets as $sheet) {
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drupal_add_css($themepath.'/'.$sheet, 'theme');
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}
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$vars['styles'] = drupal_get_css();
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}
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// is the validator option on?
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if (theme_get_setting('validators')) {
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$vars['validators'] = true;
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}
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// build the accessibility modes block
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$modes = theme_get_setting('accessibility_modes');
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if ($modes) {
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$modes = explode("\r\n", $modes);
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foreach ($modes as $mode) {
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if ($mode != '') {
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$mode = explode(':', $mode);
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$option = $mode[1];
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$rule = $mode[2];
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$mode = $mode[0];
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$op = substr($rule, 0, 1);
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switch ($op) {
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case '+':
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$rules[$mode][$option]['add'][] = substr($rule, 1);
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break;
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case '-':
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$rules[$mode][$option]['remove'][] = substr($rule, 1);
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break;
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case '@':
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$rules[$mode][$option]['image'] = substr($rule, 1);
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break;
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default:
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$rules[$mode][$option]['description'] = $rule;
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break;
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}
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}
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}
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// process the modes - building the output and handling any cookies
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// local copy of the cookies
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$cookie = $_COOKIE;
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// array of css - for possible modification
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$styles = drupal_add_css();
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// index the styles for easy removal
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foreach ($styles as $k0=>$v0) {
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foreach ($v0 as $k1=>$v1) {
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foreach ($v1 as $k2=>$v2) {
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$styles1[$k2][0] = $k0;
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$styles1[$k2][1] = $k1;
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}
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}
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}
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// start to output the mode settings block
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$modes = '<em>'.t('Settings').':</em>';
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$modes1 = '';
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$here = request_uri();
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if (strpos($here, '?q=') === false) {
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$here = '?';
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} else {
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$here = '?q='.$_REQUEST['q'].'&';
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}
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foreach ($rules as $mode=>$options) {
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// any changes to the cookies?
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if (isset($_REQUEST['set_'.$mode])) {
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$cookie[$mode] = $_REQUEST['set_'.$mode];
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$modes1 .= 'Mode changed: '.$mode.'='.$cookie[$mode]."\r";
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setcookie($mode, $cookie[$mode], time() + 86400*365, '/');
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}
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// output the mode options
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$modes .= ' <div class="mode">'.t($mode).'';
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foreach ($options as $option=>$optiondata) {
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$modes .=' <div class="option"><a href="'.$here.'set_'.$mode.'='.$option.'&rand='.rand().'"><img src="'.$basepath.$themepath.'/'.$optiondata['image'].'" alt="'.$optiondata['description'].'" title="'.$optiondata['description'].'" /></a></div>';
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}
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// if the cookie is set for this mode, process the rules
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if (isset($cookie[$mode]) && $cookie[$mode] != '') {
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$option = $cookie[$mode];
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$modes1 .= 'Mode: '.$mode.'='.$option."\r";
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// add any stylesheets
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if (isset($rules[$mode][$option]['add'])) {
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foreach ($rules[$mode][$option]['add'] as $sheet) {
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$styles['all']['theme'][$themepath.'/'.$sheet] = 1;
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$modes1 .= 'added: '.$mode.'='.$option.' '.$sheet."\r";
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}
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}
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// remove any stylesheets
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if (isset($rules[$mode][$option]['remove'])) {
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foreach ($rules[$mode][$option]['remove'] as $sheet) {
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$k0 = $styles1[$sheet][0];
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$k1 = $styles1[$sheet][1];
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unset($styles['all']['theme'][$sheet]);
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$modes1 .= 'removed: '.$mode.'='.$option.' '.$sheet."\r";
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}
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}
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}
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$modes .= '</div>';
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}
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// update the page output for the mode block and the changed styles
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$vars['modes'] = $modes."<!-- \r".$modes1.' -->';
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$vars['styles'] = drupal_get_css($styles);
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$vars['modelocation'] = theme_get_setting('accessibility_modelocation');
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}
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}
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function phptemplate_preprocess_block(&$vars) {
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}
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function phptemplate_preprocess_node(&$vars) {
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}
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