block_site_main_menu.php 5.99 KB
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<?php
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class block_site_main_menu extends block_list {
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    function init() {
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        $this->title = get_string('pluginname', 'block_site_main_menu');
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    }
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    function applicable_formats() {
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        return array('site' => true);
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    }

    function get_content() {
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        global $USER, $CFG, $DB, $OUTPUT;
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        if ($this->content !== NULL) {
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            return $this->content;
        }

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        $this->content = new stdClass();
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        $this->content->items = array();
        $this->content->icons = array();
        $this->content->footer = '';

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        if (empty($this->instance)) {
            return $this->content;
        }

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        $course = $this->page->course;
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        require_once($CFG->dirroot.'/course/lib.php');
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        $context = context_course::instance($course->id);
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        $isediting = $this->page->user_is_editing() && has_capability('moodle/course:manageactivities', $context);
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/// extra fast view mode
        if (!$isediting) {
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            $modinfo = get_fast_modinfo($course);
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            if (!empty($modinfo->sections[0])) {
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                $options = array('overflowdiv'=>true);
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                foreach($modinfo->sections[0] as $cmid) {
                    $cm = $modinfo->cms[$cmid];
                    if (!$cm->uservisible) {
                        continue;
                    }
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                    $content = $cm->get_formatted_content(array('overflowdiv' => true, 'noclean' => true));
                    $instancename = $cm->get_formatted_name();
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                    if (!($url = $cm->get_url())) {
                        $this->content->items[] = $content;
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                        $this->content->icons[] = '';
                    } else {
                        $linkcss = $cm->visible ? '' : ' class="dimmed" ';
                        //Accessibility: incidental image - should be empty Alt text
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                        $icon = '<img src="' . $cm->get_icon_url() . '" class="icon" alt="" />';
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                        $this->content->items[] = '<a title="'.$cm->modplural.'" '.$linkcss.' '.$cm->extra.
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                                ' href="' . $url . '">' . $icon . $instancename . '</a>';
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                    }
                }
            }
            return $this->content;
        }

/// slow & hacky editing mode
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        $courserenderer = $this->page->get_renderer('core', 'course');
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        $ismoving = ismoving($course->id);
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        course_create_sections_if_missing($course, 0);
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        $modinfo = get_fast_modinfo($course);
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        $section = $modinfo->get_section_info(0);
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        if ($ismoving) {
            $strmovehere = get_string('movehere');
            $strmovefull = strip_tags(get_string('movefull', '', "'$USER->activitycopyname'"));
            $strcancel= get_string('cancel');
            $stractivityclipboard = $USER->activitycopyname;
        }
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    /// Casting $course->modinfo to string prevents one notice when the field is null
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        $editbuttons = '';

        if ($ismoving) {
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            $this->content->icons[] = '<img src="'.$OUTPUT->pix_url('t/move') . '" class="iconsmall" alt="" />';
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            $this->content->items[] = $USER->activitycopyname.'&nbsp;(<a href="'.$CFG->wwwroot.'/course/mod.php?cancelcopy=true&amp;sesskey='.sesskey().'">'.$strcancel.'</a>)';
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        }

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        if (!empty($modinfo->sections[0])) {
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            $options = array('overflowdiv'=>true);
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            foreach ($modinfo->sections[0] as $modnumber) {
                $mod = $modinfo->cms[$modnumber];
                if (!$mod->uservisible) {
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                    continue;
                }
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                if (!$ismoving) {
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                    $actions = course_get_cm_edit_actions($mod, -1);
                    $editbuttons = html_writer::tag('div',
                            $courserenderer->course_section_cm_edit_actions($actions),
                            array('class' => 'buttons'));
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                } else {
                    $editbuttons = '';
                }
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                if ($mod->visible || has_capability('moodle/course:viewhiddenactivities', $context)) {
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                    if ($ismoving) {
                        if ($mod->id == $USER->activitycopy) {
                            continue;
                        }
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                        $this->content->items[] = '<a title="'.$strmovefull.'" href="'.$CFG->wwwroot.'/course/mod.php?moveto='.$mod->id.'&amp;sesskey='.sesskey().'">'.
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                            '<img style="height:16px; width:80px; border:0px" src="'.$OUTPUT->pix_url('movehere') . '" alt="'.$strmovehere.'" /></a>';
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                        $this->content->icons[] = '';
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                    }
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                    $content = $mod->get_formatted_content(array('overflowdiv' => true, 'noclean' => true));
                    $instancename = $mod->get_formatted_name();
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                    $linkcss = $mod->visible ? '' : ' class="dimmed" ';

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                    if (!($url = $mod->get_url())) {
                        $this->content->items[] = $content . $editbuttons;
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                        $this->content->icons[] = '';
                    } else {
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                        //Accessibility: incidental image - should be empty Alt text
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                        $icon = '<img src="' . $mod->get_icon_url() . '" class="icon" alt="" />';
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                        $this->content->items[] = '<a title="' . $mod->modfullname . '" ' . $linkcss . ' ' . $mod->extra .
                            ' href="' . $url . '">' . $icon . $instancename . '</a>' . $editbuttons;
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                    }
                }
            }
        }

        if ($ismoving) {
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            $this->content->items[] = '<a title="'.$strmovefull.'" href="'.$CFG->wwwroot.'/course/mod.php?movetosection='.$section->id.'&amp;sesskey='.sesskey().'">'.
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                                      '<img style="height:16px; width:80px; border:0px" src="'.$OUTPUT->pix_url('movehere') . '" alt="'.$strmovehere.'" /></a>';
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            $this->content->icons[] = '';
        }

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        $this->content->footer = $courserenderer->course_section_add_cm_control($course,
                0, null, array('inblock' => true));
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        return $this->content;
    }
}

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