silverstripe-framework/forms/HtmlEditorField.php
Ingo Schommer 5ca9db5e5e Limit HtmlEditorField HTMLText casting note to existing fields
This prevents it from failing for proxied values
like BlogEntryForm, where the field name doesn't exist,
and rather gets processed and saved into a different field.
2013-04-29 09:32:05 +02:00

970 lines
31 KiB
PHP

<?php
/**
* A TinyMCE-powered WYSIWYG HTML editor field with image and link insertion and tracking capabilities. Editor fields
* are created from <textarea> tags, which are then converted with JavaScript.
*
* @package forms
* @subpackage fields-formattedinput
*/
class HtmlEditorField extends TextareaField {
/**
* @config
* @var Boolean Use TinyMCE's GZIP compressor
*/
private static $use_gzip = true;
protected $rows = 30;
/**
* Includes the JavaScript neccesary for this field to work using the {@link Requirements} system.
*/
public static function include_js() {
require_once 'tinymce/tiny_mce_gzip.php';
$configObj = HtmlEditorConfig::get_active();
if(Config::inst()->get('HtmlEditorField', 'use_gzip')) {
$internalPlugins = array();
foreach($configObj->getPlugins() as $plugin => $path) if(!$path) $internalPlugins[] = $plugin;
$tag = TinyMCE_Compressor::renderTag(array(
'url' => THIRDPARTY_DIR . '/tinymce/tiny_mce_gzip.php',
'plugins' => implode(',', $internalPlugins),
'themes' => 'advanced',
'languages' => $configObj->getOption('language')
), true);
preg_match('/src="([^"]*)"/', $tag, $matches);
Requirements::javascript(html_entity_decode($matches[1]));
} else {
Requirements::javascript(MCE_ROOT . 'tiny_mce_src.js');
}
Requirements::customScript($configObj->generateJS(), 'htmlEditorConfig');
}
/**
* @see TextareaField::__construct()
*/
public function __construct($name, $title = null, $value = '') {
parent::__construct($name, $title, $value);
self::include_js();
}
/**
* @return string
*/
public function Field($properties = array()) {
// mark up broken links
$value = Injector::inst()->create('HTMLValue', $this->value);
if($links = $value->getElementsByTagName('a')) foreach($links as $link) {
$matches = array();
if(preg_match('/\[sitetree_link(?:\s*|%20|,)?id=([0-9]+)\]/i', $link->getAttribute('href'), $matches)) {
if(!DataObject::get_by_id('SiteTree', $matches[1])) {
$class = $link->getAttribute('class');
$link->setAttribute('class', ($class ? "$class ss-broken" : 'ss-broken'));
}
}
if(preg_match('/\[file_link(?:\s*|%20|,)?id=([0-9]+)\]/i', $link->getAttribute('href'), $matches)) {
if(!DataObject::get_by_id('File', $matches[1])) {
$class = $link->getAttribute('class');
$link->setAttribute('class', ($class ? "$class ss-broken" : 'ss-broken'));
}
}
}
$properties['Value'] = htmlentities($value->getContent(), ENT_COMPAT, 'UTF-8');
$obj = $this->customise($properties);
return $obj->renderWith($this->getTemplates());
}
public function getAttributes() {
return array_merge(
parent::getAttributes(),
array(
'tinymce' => 'true',
'style' => 'width: 97%; height: ' . ($this->rows * 16) . 'px', // prevents horizontal scrollbars
'value' => null,
)
);
}
public function saveInto(DataObjectInterface $record) {
if($record->hasField($this->name) && $record->escapeTypeForField($this->name) != 'xml') {
throw new Exception (
'HtmlEditorField->saveInto(): This field should save into a HTMLText or HTMLVarchar field.'
);
}
$linkedPages = array();
$linkedFiles = array();
$htmlValue = Injector::inst()->create('HTMLValue', $this->value);
if(class_exists('SiteTree')) {
// Populate link tracking for internal links & links to asset files.
if($links = $htmlValue->getElementsByTagName('a')) foreach($links as $link) {
$href = Director::makeRelative($link->getAttribute('href'));
if($href) {
if(preg_match('/\[sitetree_link,id=([0-9]+)\]/i', $href, $matches)) {
$ID = $matches[1];
// clear out any broken link classes
if($class = $link->getAttribute('class')) {
$link->setAttribute('class',
preg_replace('/(^ss-broken|ss-broken$| ss-broken )/', null, $class));
}
$linkedPages[] = $ID;
if(!DataObject::get_by_id('SiteTree', $ID)) $record->HasBrokenLink = true;
} else if(substr($href, 0, strlen(ASSETS_DIR) + 1) == ASSETS_DIR.'/') {
$candidateFile = File::find(Convert::raw2sql(urldecode($href)));
if($candidateFile) {
$linkedFiles[] = $candidateFile->ID;
} else {
$record->HasBrokenFile = true;
}
} else if($href == '' || $href[0] == '/') {
$record->HasBrokenLink = true;
}
}
}
}
// Resample images, add default attributes and add to assets tracking.
if($images = $htmlValue->getElementsByTagName('img')) foreach($images as $img) {
// strip any ?r=n data from the src attribute
$img->setAttribute('src', preg_replace('/([^\?]*)\?r=[0-9]+$/i', '$1', $img->getAttribute('src')));
if(!$image = File::find($path = urldecode(Director::makeRelative($img->getAttribute('src'))))) {
if(substr($path, 0, strlen(ASSETS_DIR) + 1) == ASSETS_DIR . '/') {
$record->HasBrokenFile = true;
}
continue;
}
// Resample the images if the width & height have changed.
$width = $img->getAttribute('width');
$height = $img->getAttribute('height');
if($image){
if($width && $height && ($width != $image->getWidth() || $height != $image->getHeight())) {
//Make sure that the resized image actually returns an image:
$resized=$image->ResizedImage($width, $height);
if($resized) $img->setAttribute('src', $resized->getRelativePath());
}
}
// Add default empty title & alt attributes.
if(!$img->getAttribute('alt')) $img->setAttribute('alt', '');
if(!$img->getAttribute('title')) $img->setAttribute('title', '');
//If the src attribute is not set, then we won't add this to the list:
if($img->getAttribute('src')){
// Add to the tracked files.
$linkedFiles[] = $image->ID;
}
}
// Save file & link tracking data.
if(class_exists('SiteTree')) {
if($record->ID && $record->many_many('LinkTracking') && $tracker = $record->LinkTracking()) {
$tracker->removeByFilter(sprintf('"FieldName" = \'%s\' AND "SiteTreeID" = %d',
$this->name, $record->ID));
if($linkedPages) foreach($linkedPages as $item) {
$SQL_fieldName = Convert::raw2sql($this->name);
DB::query("INSERT INTO \"SiteTree_LinkTracking\" (\"SiteTreeID\",\"ChildID\", \"FieldName\")
VALUES ($record->ID, $item, '$SQL_fieldName')");
}
}
if($record->ID && $record->many_many('ImageTracking') && $tracker = $record->ImageTracking()) {
$tracker->where(
sprintf('"FieldName" = \'%s\' AND "SiteTreeID" = %d', $this->name, $record->ID)
)->removeAll();
$fieldName = $this->name;
if($linkedFiles) foreach($linkedFiles as $item) {
$tracker->add($item, array('FieldName' => $this->name));
}
}
}
$record->{$this->name} = $htmlValue->getContent();
}
/**
* @return HtmlEditorField_Readonly
*/
public function performReadonlyTransformation() {
$field = $this->castedCopy('HtmlEditorField_Readonly');
$field->dontEscape = true;
return $field;
}
public function performDisabledTransformation() {
return $this->performReadonlyTransformation();
}
}
/**
* Readonly version of an {@link HTMLEditorField}.
* @package forms
* @subpackage fields-formattedinput
*/
class HtmlEditorField_Readonly extends ReadonlyField {
public function Field($properties = array()) {
$valforInput = $this->value ? Convert::raw2att($this->value) : "";
return "<span class=\"readonly typography\" id=\"" . $this->id() . "\">"
. ( $this->value && $this->value != '<p></p>' ? $this->value : '<i>(not set)</i>' )
. "</span><input type=\"hidden\" name=\"".$this->name."\" value=\"".$valforInput."\" />";
}
public function Type() {
return 'htmleditorfield readonly';
}
}
/**
* 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 {
private static $allowed_actions = array(
'LinkForm',
'MediaForm',
'viewfile'
);
/**
* @var string
*/
protected $templateViewFile = 'HtmlEditorField_viewfile';
protected $controller, $name;
public function __construct($controller, $name) {
parent::__construct();
Requirements::javascript(FRAMEWORK_DIR . "/thirdparty/jquery/jquery.js");
Requirements::javascript(THIRDPARTY_DIR . '/jquery-ui/jquery-ui.js');
Requirements::javascript(THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js');
Requirements::javascript(FRAMEWORK_ADMIN_DIR . '/javascript/ssui.core.js');
Requirements::javascript(FRAMEWORK_DIR ."/javascript/HtmlEditorField.js");
Requirements::css(THIRDPARTY_DIR . '/jquery-ui-themes/smoothness/jquery-ui.css');
$this->controller = $controller;
$this->name = $name;
}
public function forTemplate() {
return sprintf(
'<div id="cms-editor-dialogs" data-url-linkform="%s" data-url-mediaform="%s"></div>',
Controller::join_links($this->controller->Link(), $this->name, 'LinkForm', 'forTemplate'),
Controller::join_links($this->controller->Link(), $this->name, 'MediaForm', 'forTemplate')
);
}
/**
* Searches the SiteTree for display in the dropdown
*
* @return callback
*/
public function siteTreeSearchCallback($sourceObject, $labelField, $search) {
return DataObject::get($sourceObject, "\"MenuTitle\" LIKE '%$search%' OR \"Title\" LIKE '%$search%'");
}
/**
* Return a {@link Form} instance allowing a user to
* add links in the TinyMCE content editor.
*
* @return Form
*/
public function LinkForm() {
$siteTree = new TreeDropdownField('internal', _t('HtmlEditorField.PAGE', "Page"),
'SiteTree', 'ID', 'MenuTitle', true);
// mimic the SiteTree::getMenuTitle(), which is bypassed when the search is performed
$siteTree->setSearchFunction(array($this, 'siteTreeSearchCallback'));
$numericLabelTmpl = '<span class="step-label"><span class="flyout">%d</span><span class="arrow"></span>'
. '<strong class="title">%s</strong></span>';
$form = new Form(
$this->controller,
"{$this->name}/LinkForm",
new FieldList(
$headerWrap = new CompositeField(
new LiteralField(
'Heading',
sprintf('<h3 class="htmleditorfield-mediaform-heading insert">%s</h3>',
_t('HtmlEditorField.LINK', 'Insert Link'))
)
),
$contentComposite = new CompositeField(
new OptionsetField(
'LinkType',
sprintf($numericLabelTmpl, '1', _t('HtmlEditorField.LINKTO', 'Link to')),
array(
'internal' => _t('HtmlEditorField.LINKINTERNAL', 'Page on the site'),
'external' => _t('HtmlEditorField.LINKEXTERNAL', 'Another website'),
'anchor' => _t('HtmlEditorField.LINKANCHOR', 'Anchor on this page'),
'email' => _t('HtmlEditorField.LINKEMAIL', 'Email address'),
'file' => _t('HtmlEditorField.LINKFILE', 'Download a file'),
),
'internal'
),
new LiteralField('Step2',
'<div class="step2">'
. sprintf($numericLabelTmpl, '2', _t('HtmlEditorField.DETAILS', 'Details')) . '</div>'
),
$siteTree,
new TextField('external', _t('HtmlEditorField.URL', 'URL'), 'http://'),
new EmailField('email', _t('HtmlEditorField.EMAIL', 'Email address')),
new TreeDropdownField('file', _t('HtmlEditorField.FILE', 'File'), 'File', 'ID', 'Title', true),
new TextField('Anchor', _t('HtmlEditorField.ANCHORVALUE', 'Anchor')),
new TextField('Description', _t('HtmlEditorField.LINKDESCR', 'Link description')),
new CheckboxField('TargetBlank',
_t('HtmlEditorField.LINKOPENNEWWIN', 'Open link in a new window?')),
new HiddenField('Locale', null, $this->controller->Locale)
)
),
new FieldList(
ResetFormAction::create('remove', _t('HtmlEditorField.BUTTONREMOVELINK', 'Remove link'))
->addExtraClass('ss-ui-action-destructive')
->setUseButtonTag(true)
,
FormAction::create('insert', _t('HtmlEditorField.BUTTONINSERTLINK', 'Insert link'))
->addExtraClass('ss-ui-action-constructive')
->setAttribute('data-icon', 'accept')
->setUseButtonTag(true)
)
);
$headerWrap->addExtraClass('CompositeField composite cms-content-header nolabel ');
$contentComposite->addExtraClass('ss-insert-link content');
$form->unsetValidator();
$form->loadDataFrom($this);
$form->addExtraClass('htmleditorfield-form htmleditorfield-linkform cms-dialog-content');
$this->extend('updateLinkForm', $form);
return $form;
}
/**
* Return a {@link Form} instance allowing a user to
* add images and flash objects to the TinyMCE content editor.
*
* @return Form
*/
public function MediaForm() {
// TODO Handle through GridState within field - currently this state set too late to be useful here (during
// request handling)
$parentID = $this->controller->getRequest()->requestVar('ParentID');
$fileFieldConfig = GridFieldConfig::create()->addComponents(
new GridFieldFilterHeader(),
new GridFieldSortableHeader(),
new GridFieldDataColumns(),
new GridFieldPaginator(5),
new GridFieldDeleteAction(),
new GridFieldDetailForm()
);
$fileField = new GridField('Files', false, null, $fileFieldConfig);
$fileField->setList($this->getFiles($parentID));
$fileField->setAttribute('data-selectable', true);
$fileField->setAttribute('data-multiselect', true);
$columns = $fileField->getConfig()->getComponentByType('GridFieldDataColumns');
$columns->setDisplayFields(array(
'CMSThumbnail' => false,
'Name' => _t('File.Name'),
));
$numericLabelTmpl = '<span class="step-label"><span class="flyout">%d</span><span class="arrow"></span>'
. '<strong class="title">%s</strong></span>';
$fromCMS = new CompositeField(
new LiteralField('headerSelect',
'<h4>'.sprintf($numericLabelTmpl, '1', _t('HtmlEditorField.FindInFolder', 'Find in Folder')).'</h4>'),
$select = new TreeDropdownField('ParentID', "", 'Folder'),
$fileField
);
$fromCMS->addExtraClass('content ss-uploadfield from-CMS');
$select->addExtraClass('content-select');
$fromWeb = new CompositeField(
new LiteralField('headerURL',
'<h4>' . sprintf($numericLabelTmpl, '1', _t('HtmlEditorField.ADDURL', 'Add URL')) . '</h4>'),
$remoteURL = new TextField('RemoteURL', 'http://'),
new LiteralField('addURLImage',
'<button class="action ui-action-constructive ui-button field add-url" data-icon="addMedia"></button>')
);
$remoteURL->addExtraClass('remoteurl');
$fromWeb->addExtraClass('content ss-uploadfield from-web');
Requirements::css(FRAMEWORK_DIR . '/css/AssetUploadField.css');
$computerUploadField = Object::create('UploadField', 'AssetUploadField', '');
$computerUploadField->setConfig('previewMaxWidth', 40);
$computerUploadField->setConfig('previewMaxHeight', 30);
$computerUploadField->addExtraClass('ss-assetuploadfield');
$computerUploadField->removeExtraClass('ss-uploadfield');
$computerUploadField->setTemplate('HtmlEditorField_UploadField');
$computerUploadField->setFolderName(Config::inst()->get('Upload', 'uploads_folder'));
$tabSet = new TabSet(
"MediaFormInsertMediaTabs",
new Tab(
'FromComputer',
_t('HtmlEditorField.FROMCOMPUTER','From your computer'),
$computerUploadField
),
new Tab(
'FromWeb',
_t('HtmlEditorField.FROMWEB', 'From the web'),
$fromWeb
),
new Tab(
'FromCms',
_t('HtmlEditorField.FROMCMS','From the CMS'),
$fromCMS
)
);
$tabSet->addExtraClass('cms-tabset-primary');
$allFields = new CompositeField(
$tabSet,
new LiteralField('headerEdit', '<h4 class="field header-edit">' . sprintf($numericLabelTmpl, '2',
_t('HtmlEditorField.ADJUSTDETAILSDIMENSIONS', 'Details &amp; dimensions')) . '</h4>'),
$editComposite = new CompositeField(
new LiteralField('contentEdit', '<div class="content-edit ss-uploadfield-files files"></div>')
)
);
$allFields->addExtraClass('ss-insert-media');
$headings = new CompositeField(
new LiteralField(
'Heading',
sprintf('<h3 class="htmleditorfield-mediaform-heading insert">%s</h3>',
_t('HtmlEditorField.INSERTMEDIA', 'Insert Media')).
sprintf('<h3 class="htmleditorfield-mediaform-heading update">%s</h3>',
_t('HtmlEditorField.UpdateMEDIA', 'Update Media'))
)
);
$headings->addExtraClass('cms-content-header');
$editComposite->addExtraClass('ss-assetuploadfield');
$fields = new FieldList(
$headings,
$allFields
);
$actions = new FieldList(
FormAction::create('insertmedia', _t('HtmlEditorField.BUTTONINSERT', 'Insert'))
->addExtraClass('ss-ui-action-constructive media-insert')
->setAttribute('data-icon', 'accept')
->setUseButtonTag(true),
FormAction::create('insertmedia', _t('HtmlEditorField.BUTTONUpdate', 'Update'))
->addExtraClass('ss-ui-action-constructive media-update')
->setAttribute('data-icon', 'accept')
->setUseButtonTag(true)
);
$form = new Form(
$this->controller,
"{$this->name}/MediaForm",
$fields,
$actions
);
$form->unsetValidator();
$form->disableSecurityToken();
$form->loadDataFrom($this);
$form->addExtraClass('htmleditorfield-form htmleditorfield-mediaform cms-dialog-content');
// TODO Re-enable once we remove $.metadata dependency which currently breaks the JS due to $.ui.widget
// $form->setAttribute('data-urlViewfile', $this->controller->Link($this->name));
// Allow other people to extend the fields being added to the imageform
$this->extend('updateMediaForm', $form);
return $form;
}
/**
* View of a single file, either on the filesystem or on the web.
*/
public function viewfile($request) {
// TODO Would be cleaner to consistently pass URL for both local and remote files,
// but GridField doesn't allow for this kind of metadata customization at the moment.
if($url = $request->getVar('FileURL')) {
if(Director::is_absolute_url($url) && !Director::is_site_url($url)) {
$url = $url;
$file = new File(array(
'Title' => basename($url),
'Filename' => $url
));
} else {
$url = Director::makeRelative($request->getVar('FileURL'));
$url = preg_replace('/_resampled\/[^-]+-/', '', $url);
$file = File::get()->filter('Filename', $url)->first();
if(!$file) $file = new File(array(
'Title' => basename($url),
'Filename' => $url
));
}
} elseif($id = $request->getVar('ID')) {
$file = DataObject::get_by_id('File', $id);
$url = $file->RelativeLink();
} else {
throw new LogicException('Need either "ID" or "FileURL" parameter to identify the file');
}
// Instanciate file wrapper and get fields based on its type
// Check if appCategory is an image and exists on the local system, otherwise use oEmbed to refference a
// remote image
if($file && $file->appCategory() == 'image' && Director::is_site_url($url)) {
$fileWrapper = new HtmlEditorField_Image($url, $file);
} elseif(!Director::is_site_url($url)) {
$fileWrapper = new HtmlEditorField_Embed($url, $file);
} else {
$fileWrapper = new HtmlEditorField_File($url, $file);
}
$fields = $this->getFieldsForFile($url, $fileWrapper);
$this->extend('updateFieldsForFile', $fields, $url, $fileWrapper);
return $fileWrapper->customise(array(
'Fields' => $fields,
))->renderWith($this->templateViewFile);
}
/**
* Similar to {@link File->getCMSFields()}, but only returns fields
* for manipulating the instance of the file as inserted into the HTML content,
* not the "master record" in the database - hence there's no form or saving logic.
*
* @param String Relative or absolute URL to file
* @return FieldList
*/
protected function getFieldsForFile($url, $file) {
$fields = $this->extend('getFieldsForFile', $url, $file);
if(!$fields) {
if($file instanceof HtmlEditorField_Embed) {
$fields = $this->getFieldsForOembed($url, $file);
} elseif($file->Extension == 'swf') {
$fields = $this->getFieldsForFlash($url, $file);
} else {
$fields = $this->getFieldsForImage($url, $file);
}
$fields->push(new HiddenField('URL', false, $url));
}
$this->extend('updateFieldsForFile', $fields, $url, $file);
return $fields;
}
/**
* @return FieldList
*/
protected function getFieldsForOembed($url, $file) {
if(isset($file->Oembed->thumbnail_url)) {
$thumbnailURL = $file->Oembed->thumbnail_url;
} elseif($file->Type == 'photo') {
$thumbnailURL = $file->Oembed->url;
} else {
$thumbnailURL = FRAMEWORK_DIR . '/images/default_media.png';
}
$fields = new FieldList(
$filePreview = CompositeField::create(
CompositeField::create(
new LiteralField(
"ImageFull",
"<img id='thumbnailImage' class='thumbnail-preview' "
. "src='{$thumbnailURL}?r=" . rand(1,100000) . "' alt='{$file->Name}' />\n"
)
)->setName("FilePreviewImage")->addExtraClass('cms-file-info-preview'),
CompositeField::create(
CompositeField::create(
new ReadonlyField("FileType", _t('AssetTableField.TYPE','File type') . ':', $file->Type),
$urlField = ReadonlyField::create('ClickableURL', _t('AssetTableField.URL','URL'),
sprintf('<a href="%s" target="_blank" class="file">%s</a>', $url, $url)
)->addExtraClass('text-wrap')
)
)->setName("FilePreviewData")->addExtraClass('cms-file-info-data')
)->setName("FilePreview")->addExtraClass('cms-file-info'),
new TextField('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
DropdownField::create(
'CSSClass',
_t('HtmlEditorField.CSSCLASS', 'Alignment / style'),
array(
'left' => _t('HtmlEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
'leftAlone' => _t('HtmlEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
'right' => _t('HtmlEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.'),
'center' => _t('HtmlEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
)
)->addExtraClass('last')
);
if($file->Width != null){
$fields->push(
FieldGroup::create(
_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
TextField::create(
'Width',
_t('HtmlEditorField.IMAGEWIDTHPX', 'Width'),
$file->Width
)->setMaxLength(5),
TextField::create(
'Height',
_t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'),
$file->Height
)->setMaxLength(5)
)->addExtraClass('dimensions last')
);
}
$urlField->dontEscape = true;
if($file->Type == 'photo') {
$filePreview->FieldList()->insertBefore(new TextField(
'AltText',
_t('HtmlEditorField.IMAGEALTTEXT', 'Alternative text (alt) - shown if image cannot be displayed'),
$file->Title,
80
), 'CaptionText');
$filePreview->FieldList()->insertBefore(new TextField(
'Title',
_t('HtmlEditorField.IMAGETITLE', 'Title text (tooltip) - for additional information about the image')
), 'CaptionText');
}
$this->extend('updateFieldsForImage', $fields, $url, $file);
return $fields;
}
/**
* @return FieldList
*/
protected function getFieldsForFlash($url, $file) {
$fields = new FieldList(
FieldGroup::create(
_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
TextField::create(
'Width',
_t('HtmlEditorField.IMAGEWIDTHPX', 'Width'),
$file->Width
)->setMaxLength(5),
TextField::create(
'Height',
" x " . _t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'),
$file->Height
)->setMaxLength(5)
)->addExtraClass('dimensions')
);
$this->extend('updateFieldsForFlash', $fields, $url, $file);
return $fields;
}
/**
* @return FieldList
*/
protected function getFieldsForImage($url, $file) {
if($file->File instanceof Image) {
$formattedImage = $file->File->generateFormattedImage('SetWidth', Config::inst()->get('Image', 'asset_preview_width'));
$thumbnailURL = $formattedImage ? $formattedImage->URL : $url;
} else {
$thumbnailURL = $url;
}
$fields = new FieldList(
CompositeField::create(
CompositeField::create(
LiteralField::create(
"ImageFull",
"<img id='thumbnailImage' class='thumbnail-preview' "
. "src='{$thumbnailURL}?r=" . rand(1,100000) . "' alt='{$file->Name}' />\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" target="_blank" class="file-url">%s</a>',
$file->Link(), $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)'),
$file->Title,
80
)->setDescription(
_t('HtmlEditorField.IMAGEALTTEXTDESC', 'Shown to screen readers or if image can not be displayed')),
TextField::create(
'Title',
_t('HtmlEditorField.IMAGETITLETEXT', 'Title text (tooltip)')
)->setDescription(
_t('HtmlEditorField.IMAGETITLETEXTDESC', 'For additional information about the image')),
new TextField('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
DropdownField::create(
'CSSClass',
_t('HtmlEditorField.CSSCLASS', 'Alignment / style'),
array(
'left' => _t('HtmlEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
'leftAlone' => _t('HtmlEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
'right' => _t('HtmlEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.'),
'center' => _t('HtmlEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
)
)->addExtraClass('last')
);
if($file->Width != null){
$fields->push(
FieldGroup::create(_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
TextField::create(
'Width',
_t('HtmlEditorField.IMAGEWIDTHPX', 'Width'),
$file->Width
)->setMaxLength(5),
TextField::create(
'Height',
" x " . _t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'),
$file->Height
)->setMaxLength(5)
)->addExtraClass('dimensions last')
);
}
$urlField->dontEscape = true;
$this->extend('updateFieldsForImage', $fields, $url, $file);
return $fields;
}
/**
* @param Int
* @return DataList
*/
protected function getFiles($parentID = null) {
// TODO Use array('Filename:EndsWith' => $exts) once that's supported
$exts = $this->getAllowedExtensions();
$wheres = array();
foreach($exts as $ext) $wheres[] = '"Filename" LIKE \'%.' . $ext . '\'';
$files = File::get()->where(implode(' OR ', $wheres));
// Limit by folder (if required)
if($parentID) {
$files = $files->filter('ParentID', $parentID);
}
return $files;
}
/**
* @return Array All extensions which can be handled by the different views.
*/
protected function getAllowedExtensions() {
$exts = array('jpg', 'gif', 'png', 'swf','jpeg');
$this->extend('updateAllowedExtensions', $exts);
return $exts;
}
}
/**
* Encapsulation of a file which can either be a remote URL
* or a {@link File} on the local filesystem, exhibiting common properties
* such as file name or the URL.
*
* @todo Remove once core has support for remote files
*/
class HtmlEditorField_File extends ViewableData {
/** @var String */
protected $url;
/** @var File */
protected $file;
/**
* @param String
* @param File
*/
public function __construct($url, $file = null) {
$this->url = $url;
$this->file = $file;
$this->failover = $file;
parent::__construct();
}
/**
* @return File Might not be set (for remote files)
*/
public function getFile() {
return $this->file;
}
public function getURL() {
return $this->url;
}
public function getName() {
return ($this->file) ? $this->file->Name : preg_replace('/\?.*/', '', basename($this->url));
}
/**
* @return String HTML
*/
public function getPreview() {
$preview = $this->extend('getPreview');
if($preview) return $preview;
if($this->file) {
return $this->file->CMSThumbnail();
} else {
// Hack to use the framework's built-in thumbnail support without creating a local file representation
$tmpFile = new File(array('Name' => $this->Name, 'Filename' => $this->Name));
return $tmpFile->CMSThumbnail();
}
}
public function getExtension() {
return strtolower(($this->file) ? $this->file->Extension : pathinfo($this->Name, PATHINFO_EXTENSION));
}
public function appCategory() {
if($this->file) {
return $this->file->appCategory();
} else {
// Hack to use the framework's built-in thumbnail support without creating a local file representation
$tmpFile = new File(array('Name' => $this->Name, 'Filename' => $this->Name));
return $tmpFile->appCategory();
}
}
}
class HtmlEditorField_Embed extends HtmlEditorField_File {
protected $oembed;
public function __construct($url, $file = null) {
parent::__construct($url, $file);
$this->oembed = Oembed::get_oembed_from_url($url);
if(!$this->oembed) {
$controller = Controller::curr();
$controller->response->addHeader('X-Status',
rawurlencode(_t(
'HtmlEditorField.URLNOTANOEMBEDRESOURCE',
"The URL '{url}' could not be turned into a media resource.",
"The given URL is not a valid Oembed resource; the embed element couldn't be created.",
array('url' => $url)
)));
$controller->response->setStatusCode(404);
throw new SS_HTTPResponse_Exception($controller->response);
}
}
public function getWidth() {
return $this->oembed->Width ?: 100;
}
public function getHeight() {
return $this->oembed->Height ?: 100;
}
public function getPreview() {
if(isset($this->oembed->thumbnail_url)) {
return sprintf('<img src="%s" />', $this->oembed->thumbnail_url);
}
}
public function getName() {
if(isset($this->oembed->title)) {
return $this->oembed->title;
} else {
return parent::getName();
}
}
public function getType() {
return $this->oembed->type;
}
public function getOembed() {
return $this->oembed;
}
public function appCategory() {
return 'embed';
}
public function getInfo() {
return $this->oembed->info;
}
}
class HtmlEditorField_Image extends HtmlEditorField_File {
protected $width;
protected $height;
public function __construct($url, $file = null) {
parent::__construct($url, $file);
// Get dimensions for remote file
$info = @getimagesize($url);
if($info) {
$this->width = $info[0];
$this->height = $info[1];
}
}
public function getWidth() {
return ($this->file) ? $this->file->Width : $this->width;
}
public function getHeight() {
return ($this->file) ? $this->file->Height : $this->height;
}
public function getPreview() {
return ($this->file) ? $this->file->CMSThumbnail() : sprintf('<img src="%s" />', $this->url);
}
}