mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
427 lines
15 KiB
PHP
427 lines
15 KiB
PHP
<?php
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/**
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* A TinyMCE-powered WYSIWYG HTML editor field with image and link insertion and tracking capabilities. Editor fields
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* are created from <textarea> tags, which are then converted with JavaScript.
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*
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* @package forms
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* @subpackage fields-formattedinput
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*/
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class HtmlEditorField extends TextareaField {
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/**
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* @var Boolean Use TinyMCE's GZIP compressor
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*/
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static $use_gzip = true;
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/**
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* Includes the JavaScript neccesary for this field to work using the {@link Requirements} system.
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*/
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public static function include_js() {
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require_once 'tinymce/tiny_mce_gzip.php';
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$configObj = HtmlEditorConfig::get_active();
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if(self::$use_gzip) {
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$internalPlugins = array();
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foreach($configObj->getPlugins() as $plugin => $path) if(!$path) $internalPlugins[] = $plugin;
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$tag = TinyMCE_Compressor::renderTag(array(
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'url' => THIRDPARTY_DIR . '/tinymce/tiny_mce_gzip.php',
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'plugins' => implode(',', $internalPlugins),
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'themes' => 'advanced',
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'languages' => $configObj->getOption('language')
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), true);
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preg_match('/src="([^"]*)"/', $tag, $matches);
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Requirements::javascript($matches[1]);
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} else {
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Requirements::javascript(MCE_ROOT . 'tiny_mce_src.js');
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}
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Requirements::customScript($configObj->generateJS(), 'htmlEditorConfig');
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}
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/**
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* @see TextareaField::__construct()
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*/
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public function __construct($name, $title = null, $rows = 30, $cols = 20, $value = '', $form = null) {
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parent::__construct($name, $title, $rows, $cols, $value, $form);
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self::include_js();
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}
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/**
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* @return string
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*/
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function Field() {
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// mark up broken links
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$value = new SS_HTMLValue($this->value);
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if($links = $value->getElementsByTagName('a')) foreach($links as $link) {
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$matches = array();
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if(preg_match('/\[sitetree_link id=([0-9]+)\]/i', $link->getAttribute('href'), $matches)) {
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if(!DataObject::get_by_id('SiteTree', $matches[1])) {
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$class = $link->getAttribute('class');
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$link->setAttribute('class', ($class ? "$class ss-broken" : 'ss-broken'));
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}
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}
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}
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return $this->createTag (
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'textarea',
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$this->getAttributes(),
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htmlentities($value->getContent(), ENT_COMPAT, 'UTF-8')
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);
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}
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function getAttributes() {
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return array_merge(
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parent::getAttributes(),
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array(
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'tinymce' => 'true',
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'style' => 'width: 97%; height: ' . ($this->rows * 16) . 'px', // prevents horizontal scrollbars
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'value' => null,
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)
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);
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}
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public function saveInto($record) {
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if($record->escapeTypeForField($this->name) != 'xml') {
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throw new Exception (
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'HtmlEditorField->saveInto(): This field should save into a HTMLText or HTMLVarchar field.'
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);
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}
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$linkedPages = array();
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$linkedFiles = array();
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$htmlValue = new SS_HTMLValue($this->value);
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if(class_exists('SiteTree')) {
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// Populate link tracking for internal links & links to asset files.
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if($links = $htmlValue->getElementsByTagName('a')) foreach($links as $link) {
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$href = Director::makeRelative($link->getAttribute('href'));
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if($href) {
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if(preg_match('/\[sitetree_link id=([0-9]+)\]/i', $href, $matches)) {
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$ID = $matches[1];
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// clear out any broken link classes
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if($class = $link->getAttribute('class')) {
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$link->setAttribute('class', preg_replace('/(^ss-broken|ss-broken$| ss-broken )/', null, $class));
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}
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$linkedPages[] = $ID;
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if(!DataObject::get_by_id('SiteTree', $ID)) $record->HasBrokenLink = true;
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} else if(substr($href, 0, strlen(ASSETS_DIR) + 1) == ASSETS_DIR.'/') {
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$candidateFile = File::find(Convert::raw2sql(urldecode($href)));
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if($candidateFile) {
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$linkedFiles[] = $candidateFile->ID;
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} else {
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$record->HasBrokenFile = true;
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}
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} else if($href == '' || $href[0] == '/') {
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$record->HasBrokenLink = true;
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}
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}
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}
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}
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// Resample images, add default attributes and add to assets tracking.
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if($images = $htmlValue->getElementsByTagName('img')) foreach($images as $img) {
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// strip any ?r=n data from the src attribute
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$img->setAttribute('src', preg_replace('/([^\?]*)\?r=[0-9]+$/i', '$1', $img->getAttribute('src')));
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if(!$image = File::find($path = urldecode(Director::makeRelative($img->getAttribute('src'))))) {
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if(substr($path, 0, strlen(ASSETS_DIR) + 1) == ASSETS_DIR . '/') {
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$record->HasBrokenFile = true;
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}
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continue;
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}
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// Resample the images if the width & height have changed.
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$width = $img->getAttribute('width');
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$height = $img->getAttribute('height');
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if($image){
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if($width && $height && ($width != $image->getWidth() || $height != $image->getHeight())) {
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//Make sure that the resized image actually returns an image:
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$resized=$image->ResizedImage($width, $height);
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if($resized)
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$img->setAttribute('src', $resized->getRelativePath());
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}
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}
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// Add default empty title & alt attributes.
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if(!$img->getAttribute('alt')) $img->setAttribute('alt', '');
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if(!$img->getAttribute('title')) $img->setAttribute('title', '');
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//If the src attribute is not set, then we won't add this to the list:
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if($img->getAttribute('src')){
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// Add to the tracked files.
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$linkedFiles[] = $image->ID;
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}
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}
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// Save file & link tracking data.
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if(class_exists('SiteTree')) {
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if($record->ID && $record->many_many('LinkTracking') && $tracker = $record->LinkTracking()) {
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$tracker->removeByFilter(sprintf('"FieldName" = \'%s\' AND "SiteTreeID" = %d', $this->name, $record->ID));
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if($linkedPages) foreach($linkedPages as $item) {
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$SQL_fieldName = Convert::raw2sql($this->name);
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DB::query("INSERT INTO \"SiteTree_LinkTracking\" (\"SiteTreeID\",\"ChildID\", \"FieldName\")
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VALUES ($record->ID, $item, '$SQL_fieldName')");
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}
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}
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if($record->ID && $record->many_many('ImageTracking') && $tracker = $record->ImageTracking()) {
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$tracker->where(sprintf('"FieldName" = \'%s\' AND "SiteTreeID" = %d', $this->name, $record->ID))->removeAll();
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$fieldName = $this->name;
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if($linkedFiles) foreach($linkedFiles as $item) {
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$tracker->add($item, array('FieldName' => $this->name));
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}
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}
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}
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$record->{$this->name} = $htmlValue->getContent();
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}
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/**
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* @return HtmlEditorField_Readonly
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*/
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public function performReadonlyTransformation() {
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$field = new HtmlEditorField_Readonly($this->name, $this->title, $this->value);
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$field->setForm($this->form);
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$field->dontEscape = true;
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return $field;
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}
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public function performDisabledTransformation() {
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return $this->performReadonlyTransformation();
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}
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}
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/**
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* Readonly version of an {@link HTMLEditorField}.
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* @package forms
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* @subpackage fields-formattedinput
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*/
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class HtmlEditorField_Readonly extends ReadonlyField {
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function Field() {
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$valforInput = $this->value ? Convert::raw2att($this->value) : "";
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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."\" />";
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}
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function Type() {
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return 'htmleditorfield readonly';
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}
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}
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/**
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* External toolbar for the HtmlEditorField.
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* This is used by the CMS
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* @package forms
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* @subpackage fields-formattedinput
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*/
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class HtmlEditorField_Toolbar extends RequestHandler {
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protected $controller, $name;
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function __construct($controller, $name) {
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parent::__construct();
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Requirements::javascript(SAPPHIRE_DIR . "/thirdparty/behaviour/behaviour.js");
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Requirements::javascript(SAPPHIRE_DIR . "/javascript/tiny_mce_improvements.js");
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Requirements::javascript(SAPPHIRE_DIR ."/thirdparty/jquery-form/jquery.form.js");
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Requirements::javascript(SAPPHIRE_DIR ."/javascript/HtmlEditorField.js");
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$this->controller = $controller;
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$this->name = $name;
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}
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/**
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* Searches the SiteTree for display in the dropdown
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*
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* @return callback
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*/
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function siteTreeSearchCallback($sourceObject, $labelField, $search) {
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return DataObject::get($sourceObject, "\"MenuTitle\" LIKE '%$search%' OR \"Title\" LIKE '%$search%'");
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}
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/**
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* Return a {@link Form} instance allowing a user to
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* add links in the TinyMCE content editor.
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*
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* @return Form
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*/
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function LinkForm() {
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$siteTree = new TreeDropdownField('internal', _t('HtmlEditorField.PAGE', "Page"), 'SiteTree', 'ID', 'MenuTitle', true);
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// mimic the SiteTree::getMenuTitle(), which is bypassed when the search is performed
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$siteTree->setSearchFunction(array($this, 'siteTreeSearchCallback'));
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$numericLabelTmpl = '<span class="step-label"><span class="flyout">%d</span><span class="arrow"></span><strong class="title">%s</strong></span>';
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$form = new Form(
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$this->controller,
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"{$this->name}/LinkForm",
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new FieldList(
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new LiteralField(
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'Heading',
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sprintf('<h3>%s</h3>', _t('HtmlEditorField.LINK', 'Link'))
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),
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$contentComposite = new CompositeField(
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new OptionsetField(
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'LinkType',
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sprintf($numericLabelTmpl, '1', _t('HtmlEditorField.LINKTO', 'Link to')),
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array(
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'internal' => _t('HtmlEditorField.LINKINTERNAL', 'Page on the site'),
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'external' => _t('HtmlEditorField.LINKEXTERNAL', 'Another website'),
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'anchor' => _t('HtmlEditorField.LINKANCHOR', 'Anchor on this page'),
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'email' => _t('HtmlEditorField.LINKEMAIL', 'Email address'),
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'file' => _t('HtmlEditorField.LINKFILE', 'Download a file'),
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)
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),
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new LiteralField('Step2',
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'<div class="step2">' . sprintf($numericLabelTmpl, '2', _t('HtmlEditorField.DETAILS', 'Details')) . '</div>'
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),
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$siteTree,
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new TextField('external', _t('HtmlEditorField.URL', 'URL'), 'http://'),
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new EmailField('email', _t('HtmlEditorField.EMAIL', 'Email address')),
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new TreeDropdownField('file', _t('HtmlEditorField.FILE', 'File'), 'File', 'Filename', 'Title', true),
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new TextField('Anchor', _t('HtmlEditorField.ANCHORVALUE', 'Anchor')),
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new TextField('Description', _t('HtmlEditorField.LINKDESCR', 'Link description')),
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new CheckboxField('TargetBlank', _t('HtmlEditorField.LINKOPENNEWWIN', 'Open link in a new window?')),
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new HiddenField('Locale', null, $this->controller->Locale)
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)
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),
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new FieldList(
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$removeAction = new ResetFormAction('remove', _t('HtmlEditorField.BUTTONREMOVELINK', 'Remove link')),
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$insertAction = new FormAction('insert', _t('HtmlEditorField.BUTTONINSERTLINK', 'Insert link'))
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)
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);
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$insertAction->addExtraClass('ss-ui-action-constructive');
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$removeAction->addExtraClass('ss-ui-action-destructive');
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$contentComposite->addExtraClass('content');
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$form->unsetValidator();
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$form->loadDataFrom($this);
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$form->addExtraClass('htmleditorfield-form htmleditorfield-linkform cms-dialog-content');
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$this->extend('updateLinkForm', $form);
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return $form;
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}
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/**
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* Return a {@link Form} instance allowing a user to
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* add images to the TinyMCE content editor.
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*
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* @return Form
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*/
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function ImageForm() {
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if(!class_exists('ThumbnailStripField')) {
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throw new Exception('ThumbnailStripField class required for HtmlEditorField->ImageForm()');
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}
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$fields = new FieldList(
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new LiteralField(
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'Heading',
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sprintf('<h3>%s</h3>', _t('HtmlEditorField.IMAGE', 'Image'))
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),
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$contentComposite = new CompositeField(
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new TreeDropdownField('FolderID', _t('HtmlEditorField.FOLDER', 'Folder'), 'Folder'),
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new CompositeField(new FieldList(
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new LiteralField('ShowUpload', '<p class="showUploadField"><a href="#">'. _t('HtmlEditorField.SHOWUPLOADFORM', 'Upload File') .'</a></p>'),
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new FileField("Files[0]" , _t('AssetAdmin.CHOOSEFILE','Choose file: ')),
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new LiteralField('Response', '<div id="UploadFormResponse"></div>'),
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new HiddenField('UploadMode', 'Upload Mode', 'CMSEditor') // used as a hook for doUpload switching
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)),
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new TextField('getimagesSearch', _t('HtmlEditorField.SEARCHFILENAME', 'Search by file name')),
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new ThumbnailStripField('FolderImages', 'FolderID', 'getimages'),
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new TextField('AltText', _t('HtmlEditorField.IMAGEALTTEXT', 'Alternative text (alt) - shown if image cannot be displayed'), '', 80),
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new TextField('ImageTitle', _t('HtmlEditorField.IMAGETITLE', 'Title text (tooltip) - for additional information about the image')),
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new TextField('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
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new DropdownField(
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'CSSClass',
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_t('HtmlEditorField.CSSCLASS', 'Alignment / style'),
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array(
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'left' => _t('HtmlEditorField.CSSCLASSLEFT', 'On the left, with text wrapping around.'),
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'leftAlone' => _t('HtmlEditorField.CSSCLASSLEFTALONE', 'On the left, on its own.'),
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'right' => _t('HtmlEditorField.CSSCLASSRIGHT', 'On the right, with text wrapping around.'),
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'center' => _t('HtmlEditorField.CSSCLASSCENTER', 'Centered, on its own.'),
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)
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),
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new FieldGroup(_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
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new TextField('Width', _t('HtmlEditorField.IMAGEWIDTHPX', 'Width'), 100),
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new TextField('Height', " x " . _t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'), 100)
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)
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)
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);
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$actions = new FieldList(
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$insertAction = new FormAction('insertimage', _t('HtmlEditorField.BUTTONINSERTIMAGE', 'Insert image'))
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);
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$insertAction->addExtraClass('ss-ui-action-constructive');
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$form = new Form(
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$this->controller,
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"{$this->name}/ImageForm",
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$fields,
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$actions
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);
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$contentComposite->addExtraClass('content');
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// Allow other people to extend the fields being added to the imageform
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$this->extend('updateImageForm', $form);
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$form->unsetValidator();
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$form->disableSecurityToken();
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$form->loadDataFrom($this);
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$form->addExtraClass('htmleditorfield-form htmleditorfield-imageform cms-dialog-content');
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return $form;
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}
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function FlashForm() {
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if(!class_exists('ThumbnailStripField')) {
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throw new Exception('ThumbnailStripField class required for HtmlEditorField->FlashForm()');
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}
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$form = new Form(
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$this->controller,
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"{$this->name}/FlashForm",
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new FieldList(
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new LiteralField(
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'Heading',
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sprintf('<h3>%s</h3>', _t('HtmlEditorField.FLASH', 'Flash'))
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),
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$contentComposite = new CompositeField(
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new TreeDropdownField("FolderID", _t('HtmlEditorField.FOLDER'), "Folder"),
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new TextField('getflashSearch', _t('HtmlEditorField.SEARCHFILENAME', 'Search by file name')),
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new ThumbnailStripField("Flash", "FolderID", "getflash"),
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new FieldGroup(_t('HtmlEditorField.IMAGEDIMENSIONS', "Dimensions"),
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new TextField("Width", _t('HtmlEditorField.IMAGEWIDTHPX', "Width"), 100),
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new TextField("Height", "x " . _t('HtmlEditorField.IMAGEHEIGHTPX', "Height"), 100)
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)
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)
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),
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new FieldList(
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$insertAction = new FormAction("insertflash", _t('HtmlEditorField.BUTTONINSERTFLASH', 'Insert Flash'))
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)
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);
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$insertAction->addExtraClass('ss-ui-action-constructive');
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$contentComposite->addExtraClass('content');
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$this->extend('updateFlashForm', $form);
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$form->unsetValidator();
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$form->loadDataFrom($this);
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$form->disableSecurityToken();
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$form->addExtraClass('htmleditorfield-form htmleditorfield-flashform cms-dialog-content');
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return $form;
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}
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} |