lib.php

<?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/>.

/**
 * Moodle's crisp theme, an example of how to make a Bootstrap theme
 *
 * DO NOT MODIFY THIS THEME!
 * COPY IT FIRST, THEN RENAME THE COPY AND MODIFY IT INSTEAD.
 *
 * For full information about creating Moodle themes, see:
 * http://docs.moodle.org/dev/Themes_2.0
 *
 * @package   theme_crisp
 * @copyright 2014 dualcube {@link http://dualcube.com}
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
/**
 * Returns an object containing HTML for the areas affected by settings.
 *
 * @param renderer_base $output Pass in $OUTPUT.
 * @param moodle_page $page Pass in $PAGE.
 * @return stdClass An object with the following properties:
 *      - navbarclass A CSS class to use on the navbar. By default ''.
 *      - heading HTML to use for the heading. A logo if one is selected or the default heading.
 *      - footnote HTML to use as a footnote. By default ''.
 */
function theme_crisp_get_html_for_settings(renderer_base $output, moodle_page $page) {
    global $CFG;
    $return = new stdClass;

    $return->navbarclass = '';
    if (!empty($page->theme->settings->invert)) {
        $return->navbarclass .= ' navbar-inverse';
    }

    if (!empty($page->theme->settings->logo)) {
        $return->heading = html_writer::link($CFG->wwwroot, '', array('title' => get_string('home'), 'class' => 'logo'));
    } else {
        $return->heading = $output->page_heading();
    }

    $return->footnote = '';
    if (!empty($page->theme->settings->footnote)) {
        $return->footnote = '<div class="footnote text-center">'.$page->theme->settings->footnote.'</div>';
    }

    return $return;
}
function theme_crisp_get_setting($setting, $format = false) {
    global $CFG;
    require_once($CFG->dirroot . '/lib/weblib.php');
    static $theme;
    if (empty($theme)) {
        $theme = theme_config::load('crisp');
    }
    if (empty($theme->settings->$setting)) {
        return false;
    } else if (!$format) {
        return $theme->settings->$setting;
    } else if ($format === 'format_text') {
        return format_text($theme->settings->$setting, FORMAT_PLAIN);
    } else if ($format === 'format_html') {
        return format_text($theme->settings->$setting, FORMAT_HTML, array('trusted' => true, 'noclean' => true));
    } else {
        return format_string($theme->settings->$setting);
    }
}
/**
 * Parses CSS before it is cached.
 *
 * This function can make alterations and replace patterns within the CSS.
 *
 * @param string $css The CSS
 * @param theme_config $theme The theme config object.
 * @return string The parsed CSS The parsed CSS.
 */
function theme_crisp_process_css($css, $theme) {
    // Set the background image for the logo.
    $logo = $theme->setting_file_url('logo', 'logo');
    $css = theme_crisp_set_logo($css, $logo);
    // Set custom CSS.
    if (!empty($theme->settings->customcss)) {
        $customcss = $theme->settings->customcss;
    } else {
        $customcss = null;
    }
    $css = theme_crisp_set_customcss($css, $customcss);
    $thememaincolor = theme_crisp_get_setting('maincolor');
    $css = theme_crisp_set_maincolor($css, $thememaincolor);
    return $css;
}
/**
 * Adds any custom color to the CSS before it is cached.
 *
 * @param string $css The original CSS.
 * @param string $themecolor The custom CSS to add.
 * @return string The CSS which now contains our custom CSS.
 */
function theme_crisp_set_maincolor($css, $themecolor) {
    $tag = '[[setting:maincolor]]';
    $replacement = $themecolor;
    if (is_null($replacement)) {
        $replacement = '#088a4a';
    }
    $css = str_replace($tag, $replacement, $css);
    return $css;
}

/**
 * Adds the logo to CSS.
 *
 * @param string $css The CSS.
 * @param string $logo The URL of the logo.
 * @return string The parsed CSS
 */
function theme_crisp_set_logo($css, $logo) {
    $tag = '[[setting:logo]]';
    $replacement = $logo;
    if (is_null($replacement)) {
        $replacement = '';
    }

    $css = str_replace($tag, $replacement, $css);

    return $css;
}


function theme_crisp_pluginfile($course, $cm, $context, $filearea, $args, $forcedownload, array $options = array()) {
    static $theme;
    if (empty($theme)) {
        $theme = theme_config::load('crisp');
    }
    if ($context->contextlevel == CONTEXT_SYSTEM) {
        if ($filearea === 'logo') {
            return $theme->setting_file_serve('logo', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic1') {
                return $theme->setting_file_serve('slidepic1', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic2') {
                return $theme->setting_file_serve('slidepic2', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic3') {
                return $theme->setting_file_serve('slidepic3', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic4') {
                return $theme->setting_file_serve('slidepic4', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic5') {
                return $theme->setting_file_serve('slidepic5', $args, $forcedownload, $options);
        } else if ($filearea === 'slidepic6') {
                return $theme->setting_file_serve('slidepic6', $args, $forcedownload, $options);
        } else if ($filearea === 'picture1') {
                return $theme->setting_file_serve('picture1', $args, $forcedownload, $options);
        } else if ($filearea === 'favicon') {
                return $theme->setting_file_serve('favicon', $args, $forcedownload, $options);
        } else if ($filearea === 'pic1') {
                return $theme->setting_file_serve('pic1', $args, $forcedownload, $options);
        } else if ($filearea === 'pic2') {
                return $theme->setting_file_serve('pic2', $args, $forcedownload, $options);
        } else if ($filearea === 'pic3') {
                return $theme->setting_file_serve('pic3', $args, $forcedownload, $options);
        } else if ($filearea === 'img1') {
                return $theme->setting_file_serve('img1', $args, $forcedownload, $options);
        } else {
            send_file_not_found();
        }
    } else {
        send_file_not_found();
    }
}

/**
 * Adds any custom CSS to the CSS before it is cached.
 *
 * @param string $css The original CSS.
 * @param string $customcss The custom CSS to add.
 * @return string The CSS which now contains our custom CSS.
 */
function theme_crisp_set_customcss($css, $customcss) {
    $tag = '[[setting:customcss]]';
    $replacement = $customcss;
    if (is_null($replacement)) {
        $replacement = '';
    }

    $css = str_replace($tag, $replacement, $css);

    return $css;
}



/**
 * All theme functions should start with theme_crisp_
 * @deprecated since 2.5.1
 */
function crisp_process_css() {
    throw new coding_exception('Please call theme_'.__FUNCTION__.' instead of '.__FUNCTION__);
}

/**
 * All theme functions should start with theme_crisp_
 * @deprecated since 2.5.1
 */
function crisp_set_logo() {
    throw new coding_exception('Please call theme_'.__FUNCTION__.' instead of '.__FUNCTION__);
}

/**
 * All theme functions should start with theme_crisp_
 * @deprecated since 2.5.1
 */
function crisp_set_customcss() {
    throw new coding_exception('Please call theme_'.__FUNCTION__.' instead of '.__FUNCTION__);
}