C:/xampp/htdocs/moodle/theme/splash/lib.php

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<?php

// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

function splash_process_css($css, $theme) {
 
    if (!empty($theme->settings->regionwidth)) {
        $regionwidth = $theme->settings->regionwidth;
    } else {
        $regionwidth = null;
    }
    $css = splash_set_regionwidth($css, $regionwidth);
 
    if (!empty($theme->settings->customcss)) {
        $customcss = $theme->settings->customcss;
    } else {
        $customcss = null;
    }
    $css = splash_set_customcss($css, $customcss);
 
    return $css;
}

function splash_set_regionwidth($css, $regionwidth) {
    $tag = '[[setting:regionwidth]]';
    $doubletag = '[[setting:regionwidthdouble]]';
    $leftmargintag = '[[setting:leftregionwidthmargin]]';
    $rightmargintag = '[[setting:rightregionwidthmargin]]';
    $replacement = $regionwidth;
    if (is_null($replacement)) {
        $replacement = 240;
    }
    $css = str_replace($tag, $replacement.'px', $css);
    $css = str_replace($doubletag, ($replacement*2).'px', $css);
    $css = str_replace($rightmargintag, ($replacement*3-5).'px', $css);
    $css = str_replace($leftmargintag, ($replacement+5).'px', $css);
    return $css;
}

function splash_set_customcss($css, $customcss) {
    $tag = '[[setting:customcss]]';
    $replacement = $customcss;
    if (is_null($replacement)) {
        $replacement = '';
    }
    $css = str_replace($tag, $replacement, $css);
    return $css;
}

function splash_initialise_colourswitcher(moodle_page $page) {
    user_preference_allow_ajax_update('theme_splash_chosen_colour', PARAM_ALPHA);
    $page->requires->yui_module('moodle-theme_splash-colourswitcher', 'M.theme_splash.initColourSwitcher', array(array('div'=>'#colourswitcher')));
}

function splash_get_colour($default='red') {
    return get_user_preferences('theme_splash_chosen_colour', $default);
}

function splash_check_colourswitch() {
    $changecolour = optional_param('splashcolour', null, PARAM_ALPHA);
    if (in_array($changecolour, array('red','green','blue','orange'))) {
        return set_user_preference('theme_splash_chosen_colour', $changecolour);
    }
    return false;
}