silverstripe-framework/forms/HtmlEditorField.php

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<?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 {
/**
* Includes the JavaScript neccesary for this field to work using the {@link Requirements} system.
*/
public static function include_js() {
Requirements::javascript(MCE_ROOT . 'tiny_mce_src.js');
Requirements::customScript(HtmlEditorConfig::get_active()->generateJS(), 'htmlEditorConfig');
}
/**
* @see TextareaField::__construct()
*/
public function __construct($name, $title = null, $rows = 30, $cols = 20, $value = '', $form = null) {
parent::__construct($name, $title, $rows, $cols, $value, $form);
$this->addExtraClass('typography');
$this->addExtraClass('htmleditor');
self::include_js();
}
/**
* @return string
*/
function Field() {
// mark up broken links
$value = new SS_HTMLValue($this->value);
if($links = $value->getElementsByTagName('a')) foreach($links as $link) {
$matches = array();
if(preg_match('/\[sitetree_link id=([0-9]+)\]/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'));
}
}
}
return $this->createTag (
'textarea',
array (
'class' => $this->extraClass(),
'rows' => $this->rows,
'cols' => $this->cols,
'style' => 'width: 97%; height: ' . ($this->rows * 16) . 'px', // prevents horizontal scrollbars
'tinymce' => 'true',
'id' => $this->id(),
'name' => $this->name
),
htmlentities($value->getContent(), ENT_COMPAT, 'UTF-8')
);
}
public function saveInto($record) {
if($record->escapeTypeForField($this->name) != 'xml') {
throw new Exception (
'HtmlEditorField->saveInto(): This field should save into a HTMLText or HTMLVarchar field.'
);
}
$linkedPages = array();
$linkedFiles = array();
$record->HasBrokenFile = false;
$record->HasBrokenLink = false;
$htmlValue = new SS_HTMLValue($this->value);
// 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, $class));
}
if($page = DataObject::get_by_id('SiteTree', $ID)) {
$linkedPages[] = $page->ID;
} else {
$record->HasBrokenLink = true;
}
} elseif($href[0] != '/' && $file = File::find($href)) {
$linkedFiles[] = $file->ID;
}
}
}
// Resample images, add default attributes and add to assets tracking.
if($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($path = Director::makeRelative($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 = $img->getAttribute('height');
if($width && $height && ($width != $image->getWidth() || $height != $image->getHeight())) {
$img->setAttribute('src', $image->ResizedImage($width, $height)->getRelativePath());
}
// Add default empty title & alt attributes.
if(!$img->getAttribute('alt')) $img->setAttribute('alt', '');
if(!$img->getAttribute('title')) $img->setAttribute('title', '');
// Add to the tracked files.
$linkedFiles[] = $image->ID;
}
// Save file & link tracking data.
if($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) {
$tracker->add($item, array('FieldName' => $this->name));
}
}
if($record->ID && $record->many_many('ImageTracking') && $tracker = $record->ImageTracking()) {
$tracker->removeByFilter(sprintf('"FieldName" = \'%s\' AND "SiteTreeID" = %d', $this->name, $record->ID));
$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() {
$field = new HtmlEditorField_Readonly($this->name, $this->title, $this->value);
$field->setForm($this->form);
$field->dontEscape = true;
return $field;
}
}
/**
* Readonly version of an {@link HTMLEditorField}.
* @package forms
* @subpackage fields-formattedinput
*/
class HtmlEditorField_Readonly extends ReadonlyField {
function Field() {
$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."\" />";
}
function Type() {
return 'htmleditorfield readonly';
}
}
/**
* External toolbar for the HtmlEditorField.
* This is used by the CMS
* @package forms
* @subpackage fields-formattedinput
*/
class HtmlEditorField_Toolbar extends RequestHandler {
protected $controller, $name;
function __construct($controller, $name) {
parent::__construct();
$this->controller = $controller;
$this->name = $name;
}
/**
* Return a {@link Form} instance allowing a user to
* add links in the TinyMCE content editor.
*
* @return Form
*/
function LinkForm() {
Requirements::javascript(THIRDPARTY_DIR . "/behaviour.js");
Requirements::javascript(THIRDPARTY_DIR . "/tiny_mce_improvements.js");
$form = new Form(
$this->controller,
"{$this->name}/LinkForm",
new FieldSet(
new LiteralField('Heading', '<h2><img src="cms/images/closeicon.gif" alt="' . _t('HtmlEditorField.CLOSE', 'close').'" title="' . _t('HtmlEditorField.CLOSE', 'close') . '" />' . _t('HtmlEditorField.LINK', 'Link') . '</h2>'),
new OptionsetField(
'LinkType',
_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'),
)
),
new TreeDropdownField('internal', _t('HtmlEditorField.PAGE', "Page"), 'SiteTree', 'ID', 'MenuTitle'),
new TextField('external', _t('HtmlEditorField.URL', 'URL'), 'http://'),
new EmailField('email', _t('HtmlEditorField.EMAIL', 'Email address')),
new TreeDropdownField('file', _t('HtmlEditorField.FILE', 'File'), 'File', 'Filename'),
new TextField('Anchor', _t('HtmlEditorField.ANCHORVALUE', 'Anchor')),
new TextField('LinkText', _t('HtmlEditorField.LINKTEXT', 'Link text')),
new TextField('Description', _t('HtmlEditorField.LINKDESCR', 'Link description')),
new CheckboxField('TargetBlank', _t('HtmlEditorField.LINKOPENNEWWIN', 'Open link in a new window?'))
),
new FieldSet(
new FormAction('insert', _t('HtmlEditorField.BUTTONINSERTLINK', 'Insert link')),
new FormAction('remove', _t('HtmlEditorField.BUTTONREMOVELINK', 'Remove link'))
)
);
$form->loadDataFrom($this);
return $form;
}
/**
* Return a {@link Form} instance allowing a user to
* add images to the TinyMCE content editor.
*
* @return Form
*/
function ImageForm() {
Requirements::javascript(THIRDPARTY_DIR . "/behaviour.js");
Requirements::javascript(THIRDPARTY_DIR . "/tiny_mce_improvements.js");
Requirements::css('cms/css/TinyMCEImageEnhancement.css');
Requirements::javascript('cms/javascript/TinyMCEImageEnhancement.js');
Requirements::javascript(THIRDPARTY_DIR . '/SWFUpload/SWFUpload.js');
Requirements::javascript(CMS_DIR . '/javascript/Upload.js');
$form = new Form(
$this->controller,
"{$this->name}/ImageForm",
new FieldSet(
new LiteralField('Heading', '<h2><img src="cms/images/closeicon.gif" alt="' . _t('HtmlEditorField.CLOSE', 'close') . '" title="' . _t('HtmlEditorField.CLOSE', 'close') . '" />' . _t('HtmlEditorField.IMAGE', 'Image') . '</h2>'),
new TreeDropdownField('FolderID', _t('HtmlEditorField.FOLDER', 'Folder'), 'Folder'),
new LiteralField('AddFolderOrUpload',
'<div style="clear:both;"></div><div id="AddFolderGroup" style="display: none">
<a style="" href="#" id="AddFolder" class="link">' . _t('HtmlEditorField.CREATEFOLDER','Create Folder') . '</a>
<input style="display: none; margin-left: 2px; width: 94px;" id="NewFolderName" class="addFolder" type="text">
<a style="display: none;" href="#" id="FolderOk" class="link addFolder">' . _t('HtmlEditorField.OK','Ok') . '</a>
<a style="display: none;" href="#" id="FolderCancel" class="link addFolder">' . _t('HtmlEditorField.FOLDERCANCEL','Cancel') . '</a>
</div>
<div id="PipeSeparator" style="display: none">|</div>
<div id="UploadGroup" class="group" style="display: none; margin-top: 2px;">
<a href="#" id="UploadFiles" class="link">' . _t('HtmlEditorField.UPLOAD','Upload') . '</a>
</div>'
),
new TextField('getimagesSearch', _t('HtmlEditorField.SEARCHFILENAME', 'Search by file name')),
new ThumbnailStripField('FolderImages', 'FolderID', 'getimages'),
new TextField('AltText', _t('HtmlEditorField.IMAGEALTTEXT', 'Alternative text (alt) - shown if image cannot be displayed'), '', 80),
new TextField('ImageTitle', _t('HtmlEditorField.IMAGETITLE', 'Title text (tooltip) - for additional information about the image')),
new TextField('CaptionText', _t('HtmlEditorField.CAPTIONTEXT', 'Caption text')),
new DropdownField(
'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.'),
)
),
new FieldGroup(_t('HtmlEditorField.IMAGEDIMENSIONS', 'Dimensions'),
new TextField('Width', _t('HtmlEditorField.IMAGEWIDTHPX', 'Width'), 100),
new TextField('Height', " x " . _t('HtmlEditorField.IMAGEHEIGHTPX', 'Height'), 100)
)
),
new FieldSet(
new FormAction('insertimage', _t('HtmlEditorField.BUTTONINSERTIMAGE', 'Insert image'))
)
);
$form->disableSecurityToken();
$form->loadDataFrom($this);
return $form;
}
function FlashForm() {
Requirements::javascript(THIRDPARTY_DIR . "/behaviour.js");
Requirements::javascript(THIRDPARTY_DIR . "/tiny_mce_improvements.js");
Requirements::javascript(THIRDPARTY_DIR . '/SWFUpload/SWFUpload.js');
Requirements::javascript(CMS_DIR . '/javascript/Upload.js');
$form = new Form(
$this->controller,
"{$this->name}/FlashForm",
new FieldSet(
new LiteralField('Heading', '<h2><img src="cms/images/closeicon.gif" alt="'._t('HtmlEditorField.CLOSE', 'close').'" title="'._t('HtmlEditorField.CLOSE', 'close').'" />'._t('HtmlEditorField.FLASH', 'Flash').'</h2>'),
new TreeDropdownField("FolderID", _t('HtmlEditorField.FOLDER'), "Folder"),
new TextField('getflashSearch', _t('HtmlEditorField.SEARCHFILENAME', 'Search by file name')),
new ThumbnailStripField("Flash", "FolderID", "getflash"),
new FieldGroup(_t('HtmlEditorField.IMAGEDIMENSIONS', "Dimensions"),
new TextField("Width", _t('HtmlEditorField.IMAGEWIDTHPX', "Width"), 100),
new TextField("Height", "x " . _t('HtmlEditorField.IMAGEHEIGHTPX', "Height"), 100)
)
),
new FieldSet(
new FormAction("insertflash", _t('HtmlEditorField.BUTTONINSERTFLASH', 'Insert Flash'))
)
);
$form->loadDataFrom($this);
return $form;
}
}