snap2/tk2/editors/TKSnapEditor.php5

<?php

abstract class TKSnapEditor extends TKContainer {
    protected $res;
    protected $path;
    protected $version;
    protected $redirectTo;
    protected $actionVars;

    const REDIR_ADMINTOOL = 1;

    public function __construct($version, $redirectTo = self::REDIR_ADMINTOOL, $showPreview = true) {
        parent::__construct();

        $this->version = $version;
        $this->path = $version->getCanonicalPath();
        $this->res = $version->getResource();

        if($showPreview)
            $this->addText('<h3>Editor</h3>');

        $continue = true;
        if(isset($_REQUEST['snap2ed_save']))
            $continue = $this->preSave();
        else if(isset($_REQUEST['snap2ed_saveAndExit']))
            $continue = $this->preSaveAndExit();
        else if(isset($_REQUEST['snap2ed_exit']))
            $continue = $this->preExit();

        $error = false;
        if($continue) {
            if(isset($_REQUEST['snap2ed_save']) || isset($_REQUEST['snap2ed_saveAndExit'])) {
                $newCM = $this->processSave($this->version->getContentModule());
                if($newCM !== false) {
                    if(!$this->version->update($newCM)) {
                        $html = "<p><b>Error</b>: " . $this->version->getLastError() . "</p>";
                        $this->addText($html);
                        $error = true;
                    }
                }
                else
                    $error = true;
            }
            if(isset($_REQUEST['snap2ed_saveAndExit']) || isset($_REQUEST['snap2ed_exit'])) {
                if(!$error) {
                    if(isset($_REQUEST['snap2ed_saveAndExit']))
                        $this->postSaveAndExit($newCM, $error);
                    else if(isset($_REQUEST['snap2ed_exit']))
                        $this->postExit();

                    if($redirectTo === self::REDIR_ADMINTOOL)
                        SWATFunctions::redirect("/snap2/view" . $path);
                    else
                        SWATFunctions::redirect($redirectTo);
                }
            }

            if(isset($_REQUEST['snap2ed_save']))
                $this->postSave($newCM, $error);
        }
        else
            $this->addText('<b>Action Cancelled</b>');

        $this->showEditor($version->getContentModule(), $error);
        if($showPreview) {
            $preview = $version->getContentModule()->getPreview();
            $this->add($preview);
        }
    }

    protected function renderContainer($class, $style, $events, $id) {
        $html = "<div$id$class[0]$style[0]$events>\n";
        foreach($this->getChildrenBySlot('main') as $idx => $c) {
            if(is_object($c)) {
                $tmp = $c->render();
            }
            else {
                $tmp = $c;
            }

            $html .= $tmp;
        }
        $html .= "</div>\n";
        return $html;
    }

    protected abstract function showEditor($cm, $failed);

    protected abstract function processSave($oldCM);

    // return false from preXxx() methods to cancel action
    protected function preSave() {
        return true;
    }

    protected function preSaveAndExit() {
        return true;
    }

    protected function preExit() {
        return true;
    }

    protected function postSave($newCM, $error) {
    }

    protected function postSaveAndExit($newCM, $error) {
    }

    protected function postExit() {
    }
}

?>

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