forked from extern/egroupware
149 lines
6.8 KiB
JavaScript
149 lines
6.8 KiB
JavaScript
/**
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* EGroupware eTemplate2 - Execution layer for legacy event code
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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 https://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright EGroupware GmbH 2011-21
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*/
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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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import { egw } from "../jsapi/egw_global";
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import { et2_IDOMNode } from "./et2_core_interfaces";
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export function et2_compileLegacyJS(_code, _widget, _context) {
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// Replace the javascript pseudo-functions
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_code = js_pseudo_funcs(_code, _widget);
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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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_code = 'widget.getInstanceManager().submit(); return false;';
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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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// 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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_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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context = _widget.getDOMNode();
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}
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// Check to see if it's referring to an existing function with no arguments specified.
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// If so, bind context & use it directly
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if (_code.indexOf("(") === -1) {
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var parts = _code.split(".");
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var existing_func = parts.pop();
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var parent = _widget.egw().window;
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for (var i = 0; i < parts.length; ++i) {
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if (typeof parent[parts[i]] !== "undefined") {
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parent = parent[parts[i]];
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}
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// Nope
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else {
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break;
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}
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}
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if (typeof parent[existing_func] === "function") {
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return parent[existing_func];
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}
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}
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// Generate the function itself, if it fails, log the error message and
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// return a function which always returns false
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try {
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// Code is app.appname.function, add the arguments so it can be executed
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if (typeof _code == 'string' && _code.indexOf('app') == 0 && _code.split('.').length >= 3 && _code.indexOf('(') == -1) {
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const parts = _code.split('.');
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const app = _widget.getInstanceManager().app_obj;
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// check if we need to load the object
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if (parts.length === 3 && typeof app[parts[1]] === 'undefined') {
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return function (ev, widget) {
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return egw.applyFunc(_code, [ev, widget]);
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};
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}
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// Code is app.appname.function, add the arguments so it can be executed
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_code += '(ev,widget)';
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}
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// use app object from etemplate2, which might be private and not just window.app
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_code = _code.replace(/(window\.)?app\./, 'widget.getInstanceManager().app_obj.');
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var func = new Function('ev', 'widget', _code);
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}
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catch (e) {
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_widget.egw().debug('error', 'Error while compiling JS code ', _code);
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return (function () { return false; });
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}
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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 (ev) {
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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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if (arguments && arguments.length > 2) {
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egw.debug('warn', 'Legacy JS code only supports 2 arguments (event and widget)', _code, arguments);
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}
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// Return the result of the called function
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return func.call(context, ev, _widget);
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};
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}
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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 {et2_widget} widget
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* @ToDo replace xajax_doXMLHTTP with egw.json()
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* @ToDo replace (common) cases of confirm with new dialog, idea: calling function supplys function to call after confirm
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* @ToDo template::styles(name) inserts the styles of a named template
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* @return string
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*/
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function js_pseudo_funcs(_val, widget) {
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if (_val.indexOf('egw::link(') != -1) {
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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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// et2_form_name doesn't care about ][, just [
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var _cname = widget.getPath() ? widget.getPath().join("[") : false;
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_val = _val.replace(/form::name\(/g, "'" + widget.getRoot()._inst.uniqueId + "_'+" + (_cname ? "et2_form_name('" + _cname + "'," : '('));
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}
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if (_val.indexOf('egw::lang(') != -1) {
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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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_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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_val = _val.replace(/window.open\('(.*)','(.*)','dependent=yes,width=([^,]*),height=([^,]*),scrollbars=yes,status=(.*)'\)/, "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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_val = _val.replace(/^xajax_doXMLHTTP\('etemplate\.([a-z]+_widget\.[a-zA-Z0-9_]+)\'/, "xajax_doXMLHTTP('" + egw.getAppName() + ".$1.etemplate'");
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}
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if (_val.indexOf('this.form.submit()') != -1) {
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_val = _val.replace('this.form.submit()', 'widget.getInstanceManager().submit()');
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}
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return _val;
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}
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//# sourceMappingURL=et2_core_legacyJSFunctions.js.map
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