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136 lines
4.2 KiB
JavaScript
136 lines
4.2 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - A simple PHP expression parser written in JS
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011
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* @version $Id: et2_core_phpExpressionCompiler.js 38256 2012-03-05 13:07:38Z igel457 $
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*/
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"use strict";
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/*egw:uses
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et2_interfaces;
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et2_core_common;
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*/
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(function() {
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/**
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* Resolve javascript pseudo functions in onclick or onchange:
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* - egw::link('$l','$p') calls egw.link($l,$p)
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* - form::name('name') returns expanded name/id taking into account the name at that point of the template hierarchy
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* - egw::lang('Message ...') translate the message, calls egw.lang()
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* - confirm('message') translates 'message' and adds a '?' if not present
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* - window.open() replaces it with egw_openWindowCentered2()
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* - xajax_doXMLHTTP('etemplate. replace ajax calls in widgets with special handler not requiring etemplate run rights
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*
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* @param string _val onclick, onchange, ... action
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* @param string _cname name-prefix / name-space
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* @return string
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*/
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function js_pseudo_funcs(_val)
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{
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if (_val.indexOf('egw::link(') != -1)
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{
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_val = _val.replace(/egw::link\(/g,'egw.link(');
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}
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if (_val.indexOf('form::name(') != -1)
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{
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// XXX Use the widget reference XXX
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//_val = _val.replace(/form::name\(/g,_cname ? "et2_form_name('"+_cname+"'," : '(');
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}
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if (_val.indexOf('egw::lang(') != -1)
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{
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_val = _val.replace(/egw::lang\(/g,'egw.lang(');
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}
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// ToDo: inserts the styles of a named template
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/*if (preg_match('/template::styles\(["\']{1}(.*)["\']{1}\)/U',$on,$matches))
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{
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$tpl = $matches[1] == $this->name ? $this : new etemplate($matches[1]);
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$on = str_replace($matches[0],"'<style>".str_replace(array("\n","\r"),'',$tpl->style)."</style>'",$on);
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}*/
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// translate messages in confirm()
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if (_val.indexOf('confirm(') != -1)
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{
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_val = _val.replace(/confirm\((['"])(.*?)(\?)?['"]\)/,"confirm(egw.lang($1$2$1)+'$3')"); // add ? if not there, saves extra phrase
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}
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// replace window.open() with EGw's egw_openWindowCentered2()
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if (_val.indexOf('window.open(') != -1)
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{
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_val = _val.replace(/window.open\('(.*)','(.*)','dependent=yes,width=([^,]*),height=([^,]*),scrollbars=yes,status=(.*)'\)/,
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"egw_openWindowCentered2('$1', '$2', $3, $4, '$5')");
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}
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// replace xajax calls to code in widgets, with the "etemplate" handler,
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// this allows to call widgets with the current app, otherwise everyone would need etemplate run rights
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if (_val.indexOf("xajax_doXMLHTTP('etemplate.") != -1)
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{
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_val = _val.replace(/^xajax_doXMLHTTP\('etemplate\.([a-z]+_widget\.[a-zA-Z0-9_]+)\'/,
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"xajax_doXMLHTTP('"+egw.getAppName()+".$1.etemplate'");
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}
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return _val;
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}
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this.et2_compileLegacyJS = function(_code, _widget, _context) {
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// Replace the javascript pseudo-functions
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_code = js_pseudo_funcs(_code);
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// Check whether _code is simply "1" -- if yes replace it accordingly
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if (_code === '1')
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{
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_code = 'return true;';
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}
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// Check whether some pseudo-variables still reside inside of the code,
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// if yes, replace them.
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if (_code.indexOf("$") >= 0 || _code.indexOf("@") >= 0)
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{
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// Get the content array manager for the widget
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var mgr = _widget.getArrayMgr("content");
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if (mgr)
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{
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_code = mgr.expandName(_code);
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}
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}
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// Context is the context in which the function will run. Set context to
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// null as a default, so that it's possible to find bugs where "this" is
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// accessed in the code, but not properly set.
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var context = _context ? _context : null;
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// Check whether the given widget implements the "et2_IDOMNode"
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// interface
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if (!context && _widget.implements(et2_IDOMNode))
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{
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context = _widget.getDOMNode();
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}
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// Generate the function itself
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var func = new Function('egw', 'widget', 'window', _code);
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// Execute the code and return its results, pass the egw instance and
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// the widget
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return function() {
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// Get the egw reference
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var egw = _widget.egw();
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// Dump the executed code for debugging
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egw.debug('log', 'Executing legacy JS code: ', _code);
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// Return the result of the called function
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return func.call(context, egw, _widget, egw.window);
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}
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}
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}).call(window);
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