forked from GNUsocial/gnu-social
246 lines
8.8 KiB
PHP
246 lines
8.8 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* Use TinyMCE library to allow rich text editing in the browser
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*
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* PHP version 5
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category WYSIWYG
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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if (!defined('STATUSNET')) {
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// This check helps protect against security problems;
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// your code file can't be executed directly from the web.
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exit(1);
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}
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/**
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* Use TinyMCE library to allow rich text editing in the browser
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*
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* Converts the notice form in browser to a rich-text editor.
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*
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* @category WYSIWYG
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @copyright 2010 StatusNet, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
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* @link http://status.net/
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*/
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class TinyMCEPlugin extends Plugin
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{
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var $html;
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function onEndShowScripts($action)
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{
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if (common_logged_in ()) {
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$action->script(common_path('plugins/TinyMCE/js/jquery.tinymce.js'));
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$action->inlineScript($this->_inlineScript());
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}
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return true;
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}
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function onEndShowStyles($action)
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{
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$action->style('span#notice_data-text_container, span#notice_data-text_parent { float: left }');
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return true;
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}
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function onPluginVersion(&$versions)
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{
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$versions[] = array('name' => 'TinyMCE',
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'version' => STATUSNET_VERSION,
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'author' => 'Evan Prodromou',
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'homepage' => 'http://status.net/wiki/Plugin:TinyMCE',
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'rawdescription' =>
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_m('Use TinyMCE library to allow rich text editing in the browser'));
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return true;
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}
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/**
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* Sanitize HTML input and strip out potentially dangerous bits.
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*
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* @param string $raw HTML
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* @return string HTML
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*/
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private function sanitizeHtml($raw)
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{
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require_once INSTALLDIR . '/extlib/htmLawed/htmLawed.php';
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$config = array('safe' => 1,
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'deny_attribute' => 'id,style,on*');
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return htmLawed($raw, $config);
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}
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/**
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* Strip HTML to plaintext string
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*
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* @param string $html HTML
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* @return string plaintext, single line
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*/
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private function stripHtml($html)
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{
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return str_replace("\n", " ", html_entity_decode(strip_tags($html)));
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}
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/**
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* Hook for new-notice form processing to take our HTML goodies;
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* won't affect API posting etc.
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*
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* @param NewNoticeAction $action
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* @param User $user
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* @param string $content
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* @param array $options
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* @return boolean hook return
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*/
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function onStartSaveNewNoticeWeb($action, $user, &$content, &$options)
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{
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if ($action->arg('richedit')) {
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$html = $this->sanitizeHtml($content);
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$options['rendered'] = $html;
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$content = $this->stripHtml($html);
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}
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return true;
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}
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/**
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* Hook for new-notice form processing to process file upload appending...
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*
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* @param NewNoticeAction $action
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* @param MediaFile $media
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* @param string $content
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* @param array $options
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* @return boolean hook return
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*/
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function onStartSaveNewNoticeAppendAttachment($action, $media, &$content, &$options)
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{
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if ($action->arg('richedit')) {
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// See if we've got a placeholder inline image; if so, fill it!
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$dom = new DOMDocument();
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common_log(LOG_INFO, 'QQQQQQQQQQQQQQQQQQQQQQQQ');
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if ($dom->loadHTML($options['rendered'])) {
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$imgs = $dom->getElementsByTagName('img');
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foreach ($imgs as $img) {
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common_log(LOG_INFO, 'img: ' . var_export($img, true));
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if (preg_match('/(^| )placeholder( |$)/', $img->getAttribute('class'))) {
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common_log(LOG_INFO, 'QQQQQQ: img src: ' . $media->fileRecord->url);
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$img->setAttribute('src', $media->fileRecord->url);
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$holderWidth = intval($img->getAttribute('width'));
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$holderHeight = intval($img->getAttribute('height'));
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$holderAspect = $holderWidth / $holderHeight;
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$path = File::path($media->filename);
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$imgInfo = getimagesize($path);
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common_log(LOG_INFO, 'QQQQQQ: ' . $path . ' : ' . var_export($imgInfo, true));
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$origWidth = $imgInfo[0];
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$origHeight = $imgInfo[1];
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$origAspect = $origWidth / $origHeight;
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if ($origAspect >= 1.0) {
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// wide image
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if ($origWidth > $holderWidth) {
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$width = $holderWidth;
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$height = intval($holderWidth / $origAspect);
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} else {
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$width = $origWidth;
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$height = $origHeight;
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}
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} else {
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if ($origHeight > $holderHeight) {
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$height = $holderHeight;
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$width = ($holderWidth * $origAspect);
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} else {
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$width = $origWidth;
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$height = $origHeight;
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}
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}
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$img->setAttribute('width', $width);
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$img->setAttribute('height', $height);
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common_log(LOG_INFO, 'QQQQQ: ' . $width . ' ' . $height);
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}
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}
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$html = $dom->saveHTML();
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common_log(LOG_INFO, 'QQQQQQ: out: ' . $html);
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$options['rendered'] = $html;
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}
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// The regular code will append the short URL to the plaintext content.
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// Carry on and let it through...
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}
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return true;
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}
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function _inlineScript()
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{
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$path = common_path('plugins/TinyMCE/js/tiny_mce.js');
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// Note: the normal on-submit triggering to save data from
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// the HTML editor into the textarea doesn't play well with
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// our AJAX form submission. Manually moving it to trigger
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// on our send button click.
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$scr = <<<END_OF_SCRIPT
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$().ready(function() {
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$('textarea#notice_data-text').tinymce({
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script_url : '{$path}',
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// General options
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theme : "advanced",
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plugins : "paste,fullscreen,autoresize,inlinepopups,tabfocus,linkautodetect",
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theme_advanced_buttons1 : "bold,italic,strikethrough,|,undo,redo,|,link,unlink,image,|,fullscreen",
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theme_advanced_buttons2 : "",
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theme_advanced_buttons3 : "",
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add_form_submit_trigger : false,
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theme_advanced_resizing : true,
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tabfocus_elements: ":prev,:next"
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});
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$('#form_notice').append('<input type="hidden" name="richedit" value="1">');
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$('#notice_action-submit').click(function() {
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if (typeof tinymce != "undefined") {
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tinymce.triggerSave();
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}
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});
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$('#'+SN.C.S.NoticeDataAttach).change(function() {
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/*
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S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button class="close">×</button></div>';
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NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
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if (NDAS.length > 0) {
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NDAS.replaceWith(S);
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}
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*/
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//alert('yay');
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var img = '<img src="about:blank?placeholder" class="placeholder" width="320" height="240">';
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var html = tinyMCE.activeEditor.getContent();
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tinyMCE.activeEditor.setContent(html + img);
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});
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});
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END_OF_SCRIPT;
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return $scr;
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}
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}
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