Просмотр архива Contao (бывшая TYPOlight)


<?php

/**
 * Contao Open Source CMS
 *
 * Copyright (c) 2005-2016 Leo Feyer
 *
 * @license LGPL-3.0+
 */

namespace Contao;


/**
 * Provide methods to handle input field "file tree".
 *
 * @property string  $orderField
 * @property boolean $multiple
 * @property boolean $isGallery
 * @property boolean $isDownloads
 *
 * @author Leo Feyer <https://github.com/leofeyer>
 */
class FileTree extends Widget
{

    /**
     * Submit user input
     * @var boolean
     */
    protected $blnSubmitInput = true;

    /**
     * Template
     * @var string
     */
    protected $strTemplate = 'be_widget';

    /**
     * Order ID
     * @var string
     */
    protected $strOrderId;

    /**
     * Order name
     * @var string
     */
    protected $strOrderName;


    /**
     * Load the database object
     *
     * @param array $arrAttributes
     */
    public function __construct($arrAttributes=null)
    {
        $this->import('Database');
        parent::__construct($arrAttributes);

        // Prepare the order field
        if ($this->orderField != '')
        {
            $this->strOrderId = $this->orderField . str_replace($this->strField, '', $this->strId);
            $this->strOrderName = $this->orderField . str_replace($this->strField, '', $this->strName);

            // Retrieve the order value
            $objRow = $this->Database->prepare("SELECT {$this->orderField} FROM {$this->strTable} WHERE id=?")
                                     ->limit(1)
                                     ->execute($this->activeRecord->id);

            $tmp = deserialize($objRow->{$this->orderField});
            $this->{$this->orderField} = (!empty($tmp) && is_array($tmp)) ? array_filter($tmp) : array();
        }
    }


    /**
     * Return an array if the "multiple" attribute is set
     *
     * @param mixed $varInput
     *
     * @return mixed
     */
    protected function validator($varInput)
    {
        // Store the order value
        if ($this->orderField != '')
        {
            $arrNew = array_map('StringUtil::uuidToBin', explode(',', Input::post($this->strOrderName)));

            // Only proceed if the value has changed
            if ($arrNew !== $this->{$this->orderField})
            {
                $this->Database->prepare("UPDATE {$this->strTable} SET tstamp=?, {$this->orderField}=? WHERE id=?")
                               ->execute(time(), serialize($arrNew), $this->activeRecord->id);

                $this->objDca->createNewVersion = true; // see #6285
            }
        }

        // Return the value as usual
        if ($varInput == '')
        {
            if ($this->mandatory)
            {
                $this->addError(sprintf($GLOBALS['TL_LANG']['ERR']['mandatory'], $this->strLabel));
            }

            return '';
        }
        elseif (strpos($varInput, ',') === false)
        {
            $varInput = StringUtil::uuidToBin($varInput);

            return $this->multiple ? array($varInput) : $varInput;
        }
        else
        {
            $arrValue = array_filter(explode(',', $varInput));

            return $this->multiple ? array_map('StringUtil::uuidToBin', $arrValue) : StringUtil::uuidToBin($arrValue[0]);
        }
    }


    /**
     * Generate the widget and return it as string
     *
     * @return string
     */
    public function generate()
    {
        $arrSet = array();
        $arrValues = array();
        $blnHasOrder = ($this->orderField != '' && is_array($this->{$this->orderField}));

        if (!empty($this->varValue)) // Can be an array
        {
            $objFiles = FilesModel::findMultipleByUuids((array)$this->varValue);
            $allowedDownload = trimsplit(',', strtolower(Config::get('allowedDownload')));

            if ($objFiles !== null)
            {
                while ($objFiles->next())
                {
                    // File system and database seem not in sync
                    if (!file_exists(TL_ROOT . '/' . $objFiles->path))
                    {
                        continue;
                    }

                    $arrSet[$objFiles->id] = $objFiles->uuid;

                    // Show files and folders
                    if (!$this->isGallery && !$this->isDownloads)
                    {
                        if ($objFiles->type == 'folder')
                        {
                            $arrValues[$objFiles->uuid] = Image::getHtml('folderC.gif') . ' ' . $objFiles->path;
                        }
                        else
                        {
                            $objFile = new File($objFiles->path, true);
                            $strInfo = $objFiles->path . ' <span class="tl_gray">(' . $this->getReadableSize($objFile->size) . ($objFile->isImage ? ', ' . $objFile->width . 'x' . $objFile->height . ' px' : '') . ')</span>';

                            if ($objFile->isImage)
                            {
                                $image = 'placeholder.png';

                                if (($objFile->isSvgImage || $objFile->height <= Config::get('gdMaxImgHeight') && $objFile->width <= Config::get('gdMaxImgWidth')) && $objFile->viewWidth && $objFile->viewHeight)
                                {
                                    $image = Image::get($objFiles->path, 80, 60, 'center_center');
                                }

                                $arrValues[$objFiles->uuid] = Image::getHtml($image, '', 'class="gimage" title="' . specialchars($strInfo) . '"');
                            }
                            else
                            {
                                $arrValues[$objFiles->uuid] = Image::getHtml($objFile->icon) . ' ' . $strInfo;
                            }
                        }
                    }

                    // Show a sortable list of files only
                    else
                    {
                        if ($objFiles->type == 'folder')
                        {
                            $objSubfiles = FilesModel::findByPid($objFiles->uuid);

                            if ($objSubfiles === null)
                            {
                                continue;
                            }

                            while ($objSubfiles->next())
                            {
                                // Skip subfolders
                                if ($objSubfiles->type == 'folder')
                                {
                                    continue;
                                }

                                $objFile = new File($objSubfiles->path, true);
                                $strInfo = '<span class="dirname">' . dirname($objSubfiles->path) . '/</span>' . $objFile->basename . ' <span class="tl_gray">(' . $this->getReadableSize($objFile->size) . ($objFile->isImage ? ', ' . $objFile->width . 'x' . $objFile->height . ' px' : '') . ')</span>';

                                if ($this->isGallery)
                                {
                                    // Only show images
                                    if ($objFile->isImage)
                                    {
                                        $image = 'placeholder.png';

                                        if (($objFile->isSvgImage || $objFile->height <= Config::get('gdMaxImgHeight') && $objFile->width <= Config::get('gdMaxImgWidth')) && $objFile->viewWidth && $objFile->viewHeight)
                                        {
                                            $image = Image::get($objSubfiles->path, 80, 60, 'center_center');
                                        }

                                        $arrValues[$objSubfiles->uuid] = Image::getHtml($image, '', 'class="gimage" title="' . specialchars($strInfo) . '"');
                                    }
                                }
                                else
                                {
                                    // Only show allowed download types
                                    if (in_array($objFile->extension, $allowedDownload) && !preg_match('/^meta(_[a-z]{2})?.txt$/', $objFile->basename))
                                    {
                                        $arrValues[$objSubfiles->uuid] = Image::getHtml($objFile->icon) . ' ' . $strInfo;
                                    }
                                }
                            }
                        }
                        else
                        {
                            $objFile = new File($objFiles->path, true);
                            $strInfo = '<span class="dirname">' . dirname($objFiles->path) . '/</span>' . $objFile->basename . ' <span class="tl_gray">(' . $this->getReadableSize($objFile->size) . ($objFile->isImage ? ', ' . $objFile->width . 'x' . $objFile->height . ' px' : '') . ')</span>';

                            if ($this->isGallery)
                            {
                                // Only show images
                                if ($objFile->isImage)
                                {
                                    $image = 'placeholder.png';

                                    if (($objFile->isSvgImage || $objFile->height <= Config::get('gdMaxImgHeight') && $objFile->width <= Config::get('gdMaxImgWidth')) && $objFile->viewWidth && $objFile->viewHeight)
                                    {
                                        $image = Image::get($objFiles->path, 80, 60, 'center_center');
                                    }

                                    $arrValues[$objFiles->uuid] = Image::getHtml($image, '', 'class="gimage" title="' . specialchars($strInfo) . '"');
                                }
                            }
                            else
                            {
                                // Only show allowed download types
                                if (in_array($objFile->extension, $allowedDownload) && !preg_match('/^meta(_[a-z]{2})?.txt$/', $objFile->basename))
                                {
                                    $arrValues[$objFiles->uuid] = Image::getHtml($objFile->icon) . ' ' . $strInfo;
                                }
                            }
                        }
                    }
                }
            }

            // Apply a custom sort order
            if ($blnHasOrder)
            {
                $arrNew = array();

                foreach ((array) $this->{$this->orderField} as $i)
                {
                    if (isset($arrValues[$i]))
                    {
                        $arrNew[$i] = $arrValues[$i];
                        unset($arrValues[$i]);
                    }
                }

                if (!empty($arrValues))
                {
                    foreach ($arrValues as $k=>$v)
                    {
                        $arrNew[$k] = $v;
                    }
                }

                $arrValues = $arrNew;
                unset($arrNew);
            }
        }

        // Load the fonts for the drag hint (see #4838)
        Config::set('loadGoogleFonts', true);

        // Convert the binary UUIDs
        $strSet = implode(',', array_map('StringUtil::binToUuid', $arrSet));
        $strOrder = $blnHasOrder ? implode(',', array_map('StringUtil::binToUuid', $this->{$this->orderField})) : '';

        $return = '<input type="hidden" name="'.$this->strName.'" id="ctrl_'.$this->strId.'" value="'.$strSet.'">' . ($blnHasOrder ? '
  <input type="hidden" name="'.$this->strOrderName.'" id="ctrl_'.$this->strOrderId.'" value="'.$strOrder.'">' : '') . '
  <div class="selector_container">' . (($blnHasOrder && count($arrValues) > 1) ? '
    <p class="sort_hint">' . $GLOBALS['TL_LANG']['MSC']['dragItemsHint'] . '</p>' : '') . '
    <ul id="sort_'.$this->strId.'" class="'.trim(($blnHasOrder ? 'sortable ' : '').($this->isGallery ? 'sgallery' : '')).'">';

        foreach ($arrValues as $k=>$v)
        {
            $return .= '<li data-id="'.StringUtil::binToUuid($k).'">'.$v.'</li>';
        }

        $return .= '</ul>
    <p><a href="contao/file.php?do='.Input::get('do').'&amp;table='.$this->strTable.'&amp;field='.$this->strField.'&amp;act=show&amp;id='.$this->activeRecord->id.'&amp;value='.implode(',', array_keys($arrSet)).'&amp;rt='.REQUEST_TOKEN.'" class="tl_submit" onclick="Backend.getScrollOffset();Backend.openModalSelector({'width':768,'title':''.specialchars(str_replace("'", "\'", $GLOBALS['TL_LANG']['MSC']['filepicker'])).'','url':this.href,'id':''.$this->strId.''});return false">'.$GLOBALS['TL_LANG']['MSC']['changeSelection'].'</a></p>' . ($blnHasOrder ? '
    <script>Backend.makeMultiSrcSortable("sort_'.$this->strId.'", "ctrl_'.$this->strOrderId.'")</script>' : '') . '
  </div>';

        if (!Environment::get('isAjaxRequest'))
        {
            $return = '<div>' . $return . '</div>';
        }

        return $return;
    }
}