display.block.php

<?php

$Block = $App->get('block');

switch (strval($Page->getInfo('block'))) {
    case 'N':
        # Не показываем никакие блоки
        return;
    case 'Y':
        # Список блоков или список блоков по умолчанию
        if (!$_blockList = $Block->getBlockList($Page)) $_blockList = $Block->getDefaultBlockList($Page);
        break;
    default:
        # Список блоков по умолчанию
        $_blockList = $Block->getDefaultBlockList($Page);
}

# Список активных блоков с индексами block:n
$blockList = array();
foreach ($_blockList as $order => &$block) if ($block['active']) {
    $key = $block['block'] . ':' . $block['n'];
    $blockList[$key] = $block;
    if ($block['parent_n'] && $block['parent_block']) {
        $parentKey = $block['parent_block'] . ':' . $block['parent_n'];
        if (isset($blockList[$parentKey])) {
            # Ссылки на дочерные блоки
            if (!is_array($blockList[$parentKey]['children'])) $blockList[$parentKey]['children'] = array();
            $blockList[$parentKey]['children'][$key] = &$blockList[$key];
        }
    }
}

# Список блоков для построения 2 колонок
$block2colList = null;
foreach ($blockList as $key => &$block) {
    if ($block['parent_n'] && $block['parent_block']) continue;
    if ($block2colList) {
        $block2colList[$key] = &$blockList[$key];
    } elseif ($block['block'] === '2col' && !$block['children']) {
        $block2colList[$key] = &$blockList[$key];
    }
}
# Есть 2 колонки из предыдущей версии системы
if ($block2colList) {
    foreach (array_reverse(array_keys($block2colList)) as $block2colKey) {
        $block2col = &$block2colList[$block2colKey];
        if ($block2col['block'] === '2col' && !$block2col['children']) {
            $needBlockCount1 = $needBlockCount2 = 0;
            foreach ($block2colList as $key => &$block) {
                if ($key === $block2colKey) {
                    $needBlockCount1 = intval($block['data']['col1-block-count']); if (!$needBlockCount1) $needBlockCount1 = 1;
                    $needBlockCount2 = intval($block['data']['col2-block-count']); if (!$needBlockCount2) $needBlockCount2 = 1;
                    $block2col['children1'] = array();
                    $block2col['children2'] = array();
                } elseif ($needBlockCount1 > 0) {
                    $block2colList[$key]['parent_n'] = $block2col['n'];
                    $block2colList[$key]['parent_block'] = $block2col['block'];
                    $block2col['children1'][$key] = &$block2colList[$key];
                    unset($block2colList[$key]);
                    $needBlockCount1 --;
                } elseif ($needBlockCount2 > 0) {
                    $block2colList[$key]['parent_n'] = $block2col['n'];
                    $block2colList[$key]['parent_block'] = $block2col['block'];
                    $block2col['children2'][$key] = &$block2colList[$key];
                    unset($block2colList[$key]);
                    $needBlockCount2 --;
                }
            }
        }
    }
}

# Отображение всех блоков в обратном порядке
foreach (array_reverse(array_keys($blockList)) as $key) {
    $block = &$blockList[$key];
    if (substr($block['block'], 0, 5) === 'list.') {
        $list = substr($block['block'], 5);
        if ($App->resolvePath('cms/html/block/list.' . $list . '.php')) $blockList[$key]['html'] = $Main->callTemplate('block/list', $list, $Page, array( 'block' => $block ));
        else $blockList[$key]['html'] = $Page->displayBlock($list);
    } else {
        $blockList[$key]['html'] = $Main->callTemplate('block/block', $block['block'], $Page, array( 'block' => $block ));
    }
}

# Отображение всех блоков
foreach ($blockList as $key => &$block) {
    if ($block['parent_n'] && $block['parent_block']) continue;
    print $block['html'];
}

?>