content_type_snippet_edit_fns.inc

<?php
require_once SQ_CORE_PACKAGE_PATH.'/content_type/content_type_edit_fns.inc';

class Content_Type_Snippet_Edit_Fns extends Content_Type_Edit_Fns
{


    function __construct()
    {
        parent::__construct();

    }//end constructor


    function paint(&$asset, $editing=FALSE, $generating=FALSE)
    {
        $snippet_asset = $asset->getCurrentSnippet();
        if ($generating) {
            $this->paintGenerated($asset, $snippet_asset);
        } else {
            if (!is_null($snippet_asset)) {
                $snippet_asset->printBody();
            }
        }

        return TRUE;

    }//end paint()


    function paintGenerated(&$asset, &$snippet_asset)
    {
        // this is used when generating content_file.php
        echo '<'.'?php'."\n";
        if (!is_null($snippet_asset)) {
            ?>
            $snippet_assetid = '<?php echo $snippet_asset->id; ?>';
            $snippet_asset = $GLOBALS['SQ_SYSTEM']->am->getAsset($snippet_assetid);
            $snippet_asset->printBody();
            <?php
        }
        echo '?'.'>'."\n";

    }//end paintGenerated()


    function paintBackend(&$asset, $prefix)
    {
        if ($asset->writeAccess('attributes')) {

            // no access, do not change anything
            $snippets = $asset->getSnippets();
            if (empty($snippets)) {
                echo translate('cms_ct_snippet_no_access');
                return TRUE;
            }

            // get default values
            $source_safe = FALSE;
            $current_view = $asset->attr('view_style');
            $current_snippet = $asset->getCurrentSnippet();
            $current_id = (is_null($current_snippet)) ? 0 : $current_snippet->id;
            $current_content = translate('cms_ct_snippet_select_one');
            if ($current_id) {
                if (!isset($snippets[$current_id])) {
                    // no read access or snippet deleted
                    $current_content = translate('cms_ct_snippet_warning', get_asset_tag_line($current_id));
                } else {
                    $current_content = $snippets[$current_id]['content'];
                    $source_safe = TRUE;
                }
            }

            // prepare the snippet and view style selection
            $viewstyle = Array(
                            'source'    => 'View source',
                            'html'      => 'View HTML',
                         );
            $dropdown = Array(0 => '--');
            foreach ($snippets as $id => $info) {
                $dropdown[$id] = $id.': '.$info['name'];
                // print the content for quick switching later
                hidden_field($prefix.'_hidden_source_'.$id, $info['type'] == 'content_type_nest_content' ? $info['content'] : nl2br(htmlspecialchars($info['content'])));
                hidden_field($prefix.'_hidden_html_'.$id, $info['content']);
            }

            // print the interface
            // and the javascript for instant preview
            $switchSnippet = 'onChange="switchSnippet(this.value)"';
            $switchView = 'onChange="switchView(this.value)"';
            ?>
            <table class="sq-backend-table">
                <tr>
                    <td class="sq-backend-table-cell-alt">
                    <?php echo combo_box($prefix.'_dropdown', $dropdown, FALSE, $current_id, 0, $switchSnippet); ?>
                    <?php echo combo_box($prefix.'_viewstyle', $viewstyle, FALSE, $current_view, 0, $switchView); ?>
                    </td>
                </tr>
                <tr>
                    <td>
                        <span id="<?php echo $prefix.'_displayarea'; ?>" name="<?php echo $prefix.'_displayarea'; ?>">
                        <?php
                        if ($current_view == 'source' && $source_safe) {
                            echo $snippets[$current_id]['type'] == 'content_type_nest_content' ? $current_content : nl2br(htmlspecialchars($current_content));
                        } else {
                            echo $current_content;
                        }
                        ?>
                        </span>
                    </td>
                </tr>
            </table>
            <script type="text/javascript">
                function switchSnippet(id) {
                    var span = document.getElementById('<?php echo $prefix.'_displayarea'; ?>');
                    var style = document.getElementById('<?php echo $prefix.'_viewstyle'; ?>');
                    if (id == 0) {
                        span.innerHTML = '<?php echo translate('cms_ct_snippet_select_one'); ?>';
                        return;
                    }
                    var snippet = document.getElementById(('<?php echo $prefix; ?>_hidden_' + style.value + '_' + id));
                    span.innerHTML = snippet.value;
                }
                function switchView(style) {
                    var span = document.getElementById('<?php echo $prefix.'_displayarea'; ?>');
                    var dropdown = document.getElementById('<?php echo $prefix.'_dropdown'; ?>');
                    if (dropdown.value == 0) {
                        return;
                    }
                    var snippet = document.getElementById(('<?php echo $prefix; ?>_hidden_' + style + '_' + dropdown.value));
                    span.innerHTML = snippet.value;
                }
            </script>
            <?php
        }//end if

        return TRUE;

    }//end paintBackend()


    function processBackend($link, &$asset, $prefix)
    {
        if ($asset->writeAccess('attributes')) {

            // update view style and selected snippet
            if (isset($_POST[$prefix.'_viewstyle'])) {
                $asset->setAttrValue('view_style', $_POST[$prefix.'_viewstyle']);
                $asset->saveAttributes();
            }
            $current_snippet = $asset->getCurrentSnippet();
            $current_id = (is_null($current_snippet)) ? 0 : $current_snippet->id;
            $new_id = (isset($_POST[$prefix.'_dropdown'])) ? $_POST[$prefix.'_dropdown'] : 0;

            if (!$new_id && (!$current_id || !$current_snippet->readAccess())) {
                // no new id set, and does not have access to current snippet
                // prevent accidental overwrite
                return FALSE;
            }
            
            if ($new_id) {
                // user selected a different snippet
                if ($new_id != $current_id) {
                    if ($current_id) {
                        // delete old snippet link
                        $link = $GLOBALS['SQ_SYSTEM']->am->getLink($asset->id, SQ_LINK_NOTICE, '', TRUE, 'snippet_asset');
                        if (!$asset->deleteLink($link['linkid'])) {
                            return FALSE;
                        }
                    }
                    $new_snippet = $GLOBALS['SQ_SYSTEM']->am->getAsset($new_id);
                    // create new snippet link
                    if (!$asset->createLink($new_snippet, SQ_LINK_NOTICE, 'snippet_asset')) {
                        return FALSE;
                    }
                    // special initial case, current = 0
                    if (!$current_id && $new_id) {
                        $asset->linksUpdated();
                    }
                }//end if

            } else if ($current_id) {
                // user unselected a snippet
                $link = $GLOBALS['SQ_SYSTEM']->am->getLink($asset->id, SQ_LINK_NOTICE, '', TRUE, 'snippet_asset');
                if (!$asset->deleteLink($link['linkid'])) {
                    return FALSE;
                }
            }

            // update content.php file
            $bc_container_link = $GLOBALS['SQ_SYSTEM']->am->getLinks($asset->id, SQ_LINK_TYPE_2, 'bodycopy_container', FALSE, 'minor');
            if (!empty($bc_container_link)) {
                $container = $GLOBALS['SQ_SYSTEM']->am->getAsset($bc_container_link[0]['majorid']);
                $edit_fns = $container->getEditFns();
                $edit_fns->generateContentFile($container);
            }

        }//end if
        return FALSE;

    }//end processBackend()


}//end class

?>