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HtmlEditorField_Iframe.php
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HtmlEditorField_Iframe.php
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<?php
class HtmlEditorField_Iframe extends Extension
{
private static $allowed_actions = array(
'viewiframe'
);
protected $templateViewFile = 'HtmlEditorField_viewfile';
/**
* @param Form &$form
*/
public function updateMediaForm(Form &$form)
{
Requirements::javascript(HTMLEDITORIFRAME_BASE . '/javascript/HtmlEditorField_Iframe.js');
Requirements::css(HTMLEDITORIFRAME_BASE . '/css/HtmlEditorField_Iframe.css');
$numericLabelTmpl = <<<HTML
<h4>
<span class="step-label">
<span class="flyout">1</span><span class="arrow"></span>
<strong class="title">Iframe URL</strong>
</span>
</h4>
HTML;
$actionButton = <<<HTML
<button class="action ui-action-constructive ui-button field add-iframe" data-icon="addMedia">
Add url
</button>
HTML;
$fields = $form->Fields();
// HtmlEditorField_Toolbar::MediaForm() creates a FieldList consists of two composite fields,
// the first containing headings and the second containing the fields we need
$actualFields = $fields->last();
$tabset = $actualFields->fieldByName("MediaFormInsertMediaTabs");
$tabset->push(
Tab::create(
'From an Iframe',
CompositeField::create(
LiteralField::create('headerIframe', $numericLabelTmpl),
TextField::create('IframeURL', 'Enter URL')
->addExtraClass('iframeurl'),
LiteralField::create('addIframeImage', $actionButton)
)->addExtraClass('content ss-uploadfield from-web')
)->addExtraClass('htmleditorfield-from-iframe')
);
}
/**
* View iframe info.
*
* @see HtmlEditorField_Toolbar::viewfile()
* @param SS_HTTPRequest $request
* @return HTMLText
* @throws LogicException
*/
public function viewiframe(SS_HTTPRequest $request)
{
if ($url = $request->getVar('IframeURL')) {
$url = $url;
$data = ArrayData::create(array(
'Title' => $url,
'Width' => $request->getVar('Width') ?: null,
'Height' => $request->getVar('Height') ?: null
));
} else {
throw new LogicException('Need an "IframeURL" parameter to identify the iframe');
}
$fileWrapper = new HtmlEditorField_IframeEmbed($url, $data);
$fields = $this->getFieldsForIframe($url, $fileWrapper);
$data = array('Fields' => $fields);
return $fileWrapper->customise($data)->renderWith($this->templateViewFile);
}
/**
* Return field list for iframe insert/update form
*
* @param string $url
* @param HtmlEditorField_IframeEmbed $iframe
* @return FieldList
*/
protected function getFieldsForIframe($url, HtmlEditorField_IframeEmbed $iframe)
{
$thumbnailURL = FRAMEWORK_DIR . '/images/default_media.png';
$fields = FieldList::create(
CompositeField::create(
CompositeField::create(
LiteralField::create(
'ImageFull',
'<img class="thumbnail-preview" src="' . $thumbnailURL . '" alt="" />'
)
)->setName('FilePreviewImage')->addExtraClass('cms-file-info-preview'),
CompositeField::create(
CompositeField::create(
ReadonlyField::create('FileType', _t('AssetTableField.TYPE', 'File type') . ':', $iframe->Type),
$urlField = ReadonlyField::create('ClickableURL', _t('AssetTableField.URL', 'URL'),
sprintf('<a href="%s" target="_blank" class="file">%s</a>', $url, $url)
)->addExtraClass('text-wrap')
)
)->setName('FilePreviewData')->addExtraClass('cms-file-info-data')
)->setName('FilePreview')->addExtraClass('cms-file-info'),
TextField::create('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
DropdownField::create(
'CSSClass',
_t('HtmlEditorField.CSSCLASS', 'Alignment / style'),
array(
'left' => _t('HtmlEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
'leftAlone' => _t('HtmlEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
'right' => _t('HtmlEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.'),
'center' => _t('HtmlEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
)
)->addExtraClass('last')
);
$urlField->dontEscape = true;
if ($iframe->Width != null) {
$fields->push(
FieldGroup::create(
_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
TextField::create(
'Width',
_t('HtmlEditorField.IMAGEWIDTHPX', 'Width'),
$iframe->Width
)->setMaxLength(5),
TextField::create(
'Height',
_t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'),
$iframe->Height
)->setMaxLength(5)
)->addExtraClass('dimensions last')
);
}
$fields->push(new HiddenField('URL', false, $url));
$this->owner->extend('updateFieldsForIframe', $fields, $url, $iframe);
return $fields;
}
}