class.ilExternalFeedBlockGUIGen.php

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<?php
/*
    +-----------------------------------------------------------------------------+
    | ILIAS open source                                                           |
    +-----------------------------------------------------------------------------+
    | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
    |                                                                             |
    | This program 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 2              |
    | of the License, or (at your option) any later version.                      |
    |                                                                             |
    | This program 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 this program; if not, write to the Free Software                 |
    | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
    +-----------------------------------------------------------------------------+
*/
 
include_once("Services/Block/classes/class.ilBlockGUI.php");
define("IL_FORM_EDIT", 0);
define("IL_FORM_CREATE", 1);
define("IL_FORM_RE_EDIT", 2);
define("IL_FORM_RE_CREATE", 3);
 
abstract class ilExternalFeedBlockGUIGen extends ilBlockGUI
{
    protected $gui_object;
    protected $form_edit_mode;
 
    public function __construct()
    {
        global $DIC;
 
        $this->lng = $DIC->language();
        $ilCtrl = $DIC->ctrl();
 
        parent::__construct();
 
        $this->ctrl = $ilCtrl;
        
        
        include_once("Services/Block/classes/class.ilExternalFeedBlock.php");
        if (isset($_GET["external_feed_block_id"]) && $_GET["external_feed_block_id"] > 0) {
            $this->external_feed_block = new ilExternalFeedBlock($_GET["external_feed_block_id"]);
        }
        
        $this->ctrl->saveParameter($this, array("external_feed_block_id"));
    }
 
    public function executeCommand()
    {
        $ilCtrl = $this->ctrl;
        
        // get next class and command
        $next_class = $this->ctrl->getNextClass($this);
        $cmd = $this->ctrl->getCmd();
        
        switch ($next_class) {
            default:
                $html = $this->$cmd();
                break;
        }
        
        return $html;
    }
 
    public function setGuiObject(&$a_gui_object)
    {
        $this->gui_object = $a_gui_object;
    }
 
    public function getGuiObject()
    {
        return $this->gui_object;
    }
 
    public function setFormEditMode($a_form_edit_mode)
    {
        $this->form_edit_mode = $a_form_edit_mode;
    }
 
    public function getFormEditMode()
    {
        return $this->form_edit_mode;
    }
 
    public function createFeedBlock()
    {
        $this->initFormFeedBlock(IL_FORM_CREATE);
        return $this->form_gui->getHtml();
    }
 
    public function editFeedBlock()
    {
        $this->initFormFeedBlock(IL_FORM_EDIT);
        $this->getValuesFeedBlock();
        return $this->form_gui->getHtml();
    }
 
    public function saveFeedBlock()
    {
        $this->initFormFeedBlock(IL_FORM_CREATE);
 
        $this->external_feed_block = new ilExternalFeedBlock();
 
        if ($this->form_gui->checkInput() &&
            !$this->external_feed_block->isFeedUrlLocal($this->form_gui->getInput("block_feed_url"))) {
            $this->external_feed_block->setTitle($this->form_gui->getInput("block_title"));
            $this->external_feed_block->setFeedUrl($this->form_gui->getInput("block_feed_url"));
            $this->prepareSaveFeedBlock($this->external_feed_block);
            $this->external_feed_block->create();
            $this->exitSaveFeedBlock();
        } else {
            if ($this->external_feed_block->isFeedUrlLocal($this->form_gui->getInput("block_feed_url"))) {
                ilUtil::sendFailure($this->lng->txt("feed_no_local_url"), true);
            }
            $this->form_gui->setValuesByPost();
            return $this->form_gui->getHtml();
        }
    }
 
    public function updateFeedBlock()
    {
        $this->initFormFeedBlock(IL_FORM_EDIT);
        $this->external_feed_block->isFeedUrlLocal($_POST["block_feed_url"]);
        if ($this->form_gui->checkInput() &&
            !!$this->external_feed_block->isFeedUrlLocal($this->form_gui->getInput("block_feed_url"))) {
            $this->external_feed_block->setTitle($this->form_gui->getInput("block_title"));
            $this->external_feed_block->setFeedUrl($this->form_gui->getInput("block_feed_url"));
            $this->external_feed_block->update();
            $this->exitUpdateFeedBlock();
        } else {
            if ($this->external_feed_block->isFeedUrlLocal($this->form_gui->getInput("block_feed_url"))) {
                ilUtil::sendFailure($this->lng->txt("feed_no_local_url"), true);
            }
            $this->form_gui->setValuesByPost();
            return $this->form_gui->getHtml();
        }
    }
 
    public function initFormFeedBlock($a_mode)
    {
        $lng = $this->lng;
        
        $lng->loadLanguageModule("block");
        
        require_once("Services/Form/classes/class.ilPropertyFormGUI.php");
        
        $this->form_gui = new ilPropertyFormGUI();
        
        
        // Property Title
        $text_input = new ilTextInputGUI($lng->txt("block_feed_block_title"), "block_title");
        $text_input->setInfo("");
        $text_input->setRequired(true);
        $text_input->setMaxLength(200);
        $this->form_gui->addItem($text_input);
        
        // Property FeedUrl
        $text_input = new ilTextInputGUI($lng->txt("block_feed_block_feed_url"), "block_feed_url");
        $text_input->setInfo($lng->txt("block_feed_block_feed_url_info"));
        $text_input->setRequired(true);
        $text_input->setMaxLength(250);
        $this->form_gui->addItem($text_input);
        
        
        // save and cancel commands
        if (in_array($a_mode, array(IL_FORM_CREATE,IL_FORM_RE_CREATE))) {
            $this->form_gui->addCommandButton("saveFeedBlock", $lng->txt("save"));
            $this->form_gui->addCommandButton("cancelSaveFeedBlock", $lng->txt("cancel"));
        } else {
            $this->form_gui->addCommandButton("updateFeedBlock", $lng->txt("save"));
            $this->form_gui->addCommandButton("cancelUpdateFeedBlock", $lng->txt("cancel"));
        }
        
        $this->form_gui->setTitle($lng->txt("block_feed_block_head"));
        $this->form_gui->setFormAction($this->ctrl->getFormAction($this));
        
        $this->prepareFormFeedBlock($this->form_gui);
    }
 
    public function getValuesFeedBlock()
    {
        $values = array();
        
        $values["block_title"] = $this->external_feed_block->getTitle();
        $values["block_feed_url"] = $this->external_feed_block->getFeedUrl();
        
        $this->form_gui->setValuesByArray($values);
    }
 
    public function cancelSaveFeedBlock()
    {
        $ilCtrl = $this->ctrl;
 
        $ilCtrl->returnToParent($this);
    }
 
    public function cancelUpdateFeedBlock()
    {
        $ilCtrl = $this->ctrl;
 
        $ilCtrl->returnToParent($this);
    }
 
    public function exitSaveFeedBlock()
    {
        $ilCtrl = $this->ctrl;
 
        $ilCtrl->returnToParent($this);
    }
 
    public function exitUpdateFeedBlock()
    {
        $ilCtrl = $this->ctrl;
 
        $ilCtrl->returnToParent($this);
    }
 
    public function prepareSaveFeedBlock(&$a_external_feed_block)
    {
    }
 
    public function prepareFormFeedBlock(&$a_form_gui)
    {
    }
}