<?php

/**
 * Toolbar shared by all instances of {@link HTMLEditorField}, to avoid too much markup duplication.
 *  Needs to be inserted manually into the template in order to function - see {@link LeftAndMain->EditorToolbar()}.
 *
 * @package forms
 * @subpackage fields-formattedinput
 */
class HtmlEditorField_Toolbar extends RequestHandler {
    /**
     * @return FieldList
     */
    protected function getFieldsForImage($url, $file) {
        if($file->File instanceof Image) {
            $formattedImage = $file->File->generateFormattedImage('SetWidth',
                Config::inst()->get('Image', 'asset_preview_width'));
            $thumbnailURL = Convert::raw2att($formattedImage ? $formattedImage->URL : $url);
        } else {
            $thumbnailURL = Convert::raw2att($url);
        }

        $fileName = Convert::raw2att($file->Name);

        $fields = new FieldList(
            CompositeField::create(
                CompositeField::create(
                    LiteralField::create(
                        "ImageFull",
                        "<img id='thumbnailImage' class='thumbnail-preview' "
                            . "src='{$thumbnailURL}?r=" . rand(1,100000) . "' alt='$fileName' />\n"
                    )
                )->setName("FilePreviewImage")->addExtraClass('cms-file-info-preview'),
                CompositeField::create(
                    CompositeField::create(
                        new ReadonlyField("FileType", _t('AssetTableField.TYPE','File type'), $file->FileType),
                        new ReadonlyField("Size", _t('AssetTableField.SIZE','File size'), $file->getSize()),
                        $urlField = new ReadonlyField(
                            'ClickableURL',
                            _t('AssetTableField.URL','URL'),
                            sprintf(
                                '<a href="%s" title="%s" target="_blank" class="file-url">%s</a>',
                                Convert::raw2att($file->Link()),
                                Convert::raw2att($file->Link()),
                                Convert::raw2att($file->RelativeLink())
                            )
                        ),
                        new DateField_Disabled("Created", _t('AssetTableField.CREATED','First uploaded'),
                            $file->Created),
                        new DateField_Disabled("LastEdited", _t('AssetTableField.LASTEDIT','Last changed'),
                            $file->LastEdited)
                    )
                )->setName("FilePreviewData")->addExtraClass('cms-file-info-data')
            )->setName("FilePreview")->addExtraClass('cms-file-info'),

            TextField::create(
                'AltText',
                _t('HtmlEditorField.IMAGEALT', 'Alternative text (alt)'),
                $file->Title,
                80
            )->setDescription(
                _t('HtmlEditorField.IMAGEALTTEXTDESC', 'Shown to screen readers or if image can not be displayed')),

            TextField::create(
                'Title',
                _t('HtmlEditorField.IMAGETITLETEXT', 'Title text (tooltip)')
            )->setDescription(
                _t('HtmlEditorField.IMAGETITLETEXTDESC', 'For additional information about the image')),

            new TextField('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
            DropdownField::create(
                'CSSClass',
                _t('HtmlEditorField.CSSCLASS', 'Alignment / style'),
                array(
                    'leftAlone' => _t('HtmlEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
                    'center' => _t('HtmlEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
                    'left' => _t('HtmlEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
                    'right' => _t('HtmlEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.')
                )
            )->addExtraClass('last')
        );

        if($file->Width != null){
            $fields->push(
                FieldGroup::create(_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
                    TextField::create(
                        'Width',
                        _t('HtmlEditorField.IMAGEWIDTHPX', 'Width'),
                        $file->InsertWidth
                    )->setMaxLength(5),
                    TextField::create(
                        'Height',
                        " x " . _t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'),
                        $file->InsertHeight
                    )->setMaxLength(5)
                )->addExtraClass('dimensions last')
            );
        }
        $urlField->dontEscape = true;

        $this->extend('updateFieldsForImage', $fields, $url, $file);

        return $fields;
    }
}