264 Zeilen
9.6 KiB
PHP
264 Zeilen
9.6 KiB
PHP
<?php
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/**
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* $RCSfile$: class.edit_area.php
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*
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* Project:
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* Contenido Content Management System Backend
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*
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* Description: This file defines class edit_area. This class allows to add edit_area to any page.
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* This class renders a javascript code, which includes edit_area. It is possible to
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* configure editarea whith a lot of params. For details see: http://www.cdolivet.net/editarea/
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* editarea/docs/configuration.html Standard properties where set by this class. It is possible
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* to set further properties in system or client settings in contenido by using type edit_area
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* This properties where also imported by this class.
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*
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*
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* @package Contenido Backend
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* @version 1.0.0
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* @author Timo Trautmann
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* @copyright four for business AG <www.4fb.de>
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* @license http://www.contenido.org/license/LIZENZ.txt
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* @link http://www.4fb.de
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* @since file available since 2008-05-07
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*
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* {@internal
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* created 2008-05-07
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* }}
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*
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* $Id$
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*/
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/**
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*
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* Description: Class for handling and displaying edit_area
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*
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* @version 1.0.0
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* @author Timo Trautmann
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* @copyright four for business AG <www.4fb.de>
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*
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* {@internal
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* created 2008-05-07
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* }}
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*
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*/
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class EditArea {
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/**
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* Properties which were used to init edit_area
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*
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* @var array
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* @access private
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*/
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var $aProperties;
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/**
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* HTML-ID of textarea which is replaced by edit_area
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*
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* @var string
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* @access private
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*/
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var $sTextareaId;
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/**
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* defines if textarea is used or not (by system/client/user property)
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*
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* @var boolean
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* @access private
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*/
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var $bActivated;
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/**
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* defines if js-script for edit_area is included on rendering process
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*
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* @var boolean
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* @access private
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*/
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var $bAddScript;
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/**
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* The contenido configuration array
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*
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* @var array
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* @access private
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*/
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var $aCfg;
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/*################################################################*/
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/**
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* Constructor of EditArea initializes class variables
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*
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* @param string $sId - The id of textarea which is replaced by editor
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* @param string $sSyntax - Name of syntax highlighting which is used (html, css, js, php, ...)
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* @param string $sLang - lang which is used into editor. Notice NOT Contenido language id
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* ex: de, en ... To get it from contenido language use:
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* substr(strtolower($belang), 0, 2) in backend
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* @param boolean $bAddScript - defines if edit_area script is included or not
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* interesting when there is more than only one editor on page
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* @param array $aCfg - The contenido configuration array
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* @param boolean $bEditable - Optional defines if content is editable or not
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*
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* @access public
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*/
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function __construct($sId, $sSyntax, $sLang, $bAddScript, $aCfg, $bEditable = true) {
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//datatype check
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$sId = (string) $sId;
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$sSyntax = (string) $sSyntax;
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$aCfg = (array) $aCfg;
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$sLang = (string) $sLang;
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//init class variables
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$this->aProperties = array();
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$this->aCfg = $aCfg;
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$this->bAddScript = $bAddScript;
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$this->sTextareaId = $sId;
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$this->bActivated = true;
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//set standard properties for editor which were static or defined by constructor param
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$this->setProperty('start_highlight', 'true', true);
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$this->setProperty('allow_resize', 'both', false);
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$this->setProperty('allow_toggle', 'false', true);
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$this->setProperty('language', $sLang, false);
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$this->setProperty('save_callback', 'save_callback', false);
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$this->setProperty('syntax', $sSyntax, false);
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$this->setProperty('replace_tab_by_spaces', '4', true);
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$this->setProperty('plugins', 'charmap', false);
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$this->setProperty('toolbar', 'save, search, go_to_line, fullscreen, |, undo, redo, |, select_font,|, change_smooth_selection, highlight, reset_highlight, |, charmap, |, help', false);
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//make content not editable if not allowed
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if ($bEditable == false) {
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$this->setProperty('is_editable', 'false', true);
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} else {
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$this->setProperty('is_editable', 'true', true);
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}
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//internal function which appends more properties to $this->setProperty wich where defined
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//by user or sysadmin in systemproperties / client settings / user settings ...
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$this->getSystemProperties();
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}
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/**
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* Function gets properties from contenido for edit_area and stores it into
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* $this->setProperty so user is able to overwride standard settings or append
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* other settings. Function also checks if edit_area is activated or deactivated
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* by user
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*
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* @access private
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*/
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function getSystemProperties() {
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//check if editor is disabled or enabled by user/admin
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if (getEffectiveSetting("edit_area", "activated", "true") == "false") {
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$this->bActivated = false;
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}
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$aUserSettings = getEffectiveSettingsByType("edit_area");
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foreach ($aUserSettings as $sKey => $sValue) {
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if ($sKey != 'activated') {
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if ($sValue == "true" || $sValue == "false" || is_numeric($sValue)) {
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$this->setProperty($sKey, $sValue, true);
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} else {
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$this->setProperty($sKey, $sValue, false);
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}
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}
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}
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}
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/**
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* Function for setting a property for edit_area to $this->setProperty
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* existing properties were overwritten
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*
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* @param string $sName - Name of edit_area property
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* @param string $sValue - Value of edit_area property
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* @param boolean $bIsNumeric - Defines if value is numeric or not
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* in case of a numeric value, there is no need to use
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* quotes
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*
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* @access public
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*/
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function setProperty($sName, $sValue, $bIsNumeric) {
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//datatype check
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$sName = (string) $sName;
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$sValue = (string) $sValue;
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$bIsNumeric = (boolean) $bIsNumeric;
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//generate a new array for new property
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$aRecord = array();
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$aRecord['name'] = $sName;
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$aRecord['value'] = $sValue;
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$aRecord['is_numeric'] = $bIsNumeric;
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//append it to class variable $this->aProperties
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//when key already exists, overwride it
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$this->aProperties[$sName] = $aRecord;
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}
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/**
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* Function renders js_script for inclusion into an header of a html file
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*
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* @return string - js_script for edit_area
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* @access public
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*/
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function renderScript() {
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//if editor is disabled, there is no need to render this script
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if ($this->bActivated == false) {
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return '';
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}
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//if external js file for editor should be included, do this here
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$sJs = '';
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if ($this->bAddScript) {
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$sPath = $this->aCfg['path']['contenido_fullhtml'];
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$sJs .= '<script type="text/javascript" src="'.$sPath.'external/edit_area/edit_area_compressor_cl.php?plugins"></script>'."\n";
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$sJs .= '<script type="text/javascript">
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function save_callback(id, content) {
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var oForm = document.getElementById(id).form;
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for (var i = 0; i < oForm.length; ++i) {
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var element = oForm.elements[i];
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if((element.id && editAreaLoader.getValue(element.id)) || (element.id == id)) {
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element.value = editAreaLoader.getValue(element.id);
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}
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}
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oForm.submit();
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}
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</script>';
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}
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//define template for edit_area script
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$sJs .= '<script type="text/javascript">
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function init_editarea_%s() {
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var oTextarea = document.getElementById("%s")
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if (!oTextarea) {
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window.setTimeout("init_editarea_%s()", 50);
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} else {
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if (navigator.userAgent.indexOf("MSIE") > -1) {
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var width = oTextarea.offsetWidth;
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oTextarea.style.width = width+"px";
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}
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editAreaLoader.init({
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id: "%s"
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%s
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})
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}
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}
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window.setTimeout("init_editarea_%s()", 50);
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</script>';
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//get all stored properties and convert it in order to insert it into edit_area js template
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$sProperties = '';
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foreach ($this->aProperties as $aProperty) {
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if ($aProperty['is_numeric'] == true) {
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$sProperties .= ', '.$aProperty['name'].':'.$aProperty['value']."\n";
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} else {
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$sProperties .= ', '.$aProperty['name'].': "'.$aProperty['value']."\"\n";
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}
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}
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//fill js template, using sprintf
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$sTextareaId = $this->sTextareaId;
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$sJsResult = sprintf($sJs, $sTextareaId, $sTextareaId, $sTextareaId, $sTextareaId, $sProperties, $sTextareaId);
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return $sJsResult;
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}
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}
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?>
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