forked from extern/egroupware
431 lines
11 KiB
JavaScript
431 lines
11 KiB
JavaScript
/**
|
|
* EGroupware clientside API object
|
|
*
|
|
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
|
|
* @package etemplate
|
|
* @subpackage api
|
|
* @link http://www.egroupware.org
|
|
* @author Andreas Stöckel (as AT stylite.de)
|
|
* @author Ralf Becker <RalfBecker@outdoor-training.de>
|
|
* @version $Id$
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
/*egw:uses
|
|
jquery.jquery;
|
|
|
|
egw_core;
|
|
egw_utils;
|
|
egw_files;
|
|
egw_debug;
|
|
*/
|
|
|
|
egw.extend('json', egw.MODULE_WND_LOCAL, function(_app, _wnd) {
|
|
|
|
/**
|
|
* Object which contains all registered handlers for JS responses.
|
|
* The handlers are organized per response type in the top level of the
|
|
* object, where each response type can have an array of handlers attached
|
|
* to it.
|
|
*/
|
|
var plugins = {};
|
|
|
|
/**
|
|
* Internal implementation of the JSON request object.
|
|
*/
|
|
function json_request(_menuaction, _parameters, _callback, _context,
|
|
_async, _sender, _egw)
|
|
{
|
|
// Copy the parameters
|
|
this.url = _egw.ajaxUrl(_menuaction);
|
|
this.parameters = _parameters ? _parameters : [];
|
|
this.async = _async ? _async : false;
|
|
this.callback = _callback ? _callback : null;
|
|
this.context = _context ? _context : null;
|
|
this.sender = _sender ? _sender : null;
|
|
this.egw = _egw;
|
|
|
|
// We currently don't have a request object
|
|
this.request = null;
|
|
|
|
// Some variables needed for notification about a JS files done loading
|
|
this.onLoadFinish = null;
|
|
this.jsFiles = 0;
|
|
this.jsCount = 0;
|
|
|
|
// Function which is currently used to display alerts -- may be replaced by
|
|
// some API function.
|
|
this.alertHandler = function(_message, _details) {
|
|
alert(_message);
|
|
|
|
if (_details)
|
|
{
|
|
_egw.debug('info', _message, _details);
|
|
}
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Sends the assembled request to the server
|
|
* @param {boolean} [async=false] Overrides async provided in constructor to give an easy way to make simple async requests
|
|
* @returns undefined
|
|
*/
|
|
json_request.prototype.sendRequest = function(async) {
|
|
if(typeof async != "undefined")
|
|
{
|
|
this.async = async;
|
|
}
|
|
|
|
// Assemble the complete request
|
|
var request_obj = {
|
|
'json_data': this.egw.jsonEncode({
|
|
'request': {
|
|
'parameters': this.parameters
|
|
}
|
|
})
|
|
};
|
|
|
|
// Send the request via AJAX using the jquery ajax function
|
|
$j.ajax({
|
|
url: this.url,
|
|
async: this.async,
|
|
context: this,
|
|
data: request_obj,
|
|
dataType: 'json',
|
|
type: 'POST',
|
|
success: this.handleResponse,
|
|
error: function(_xmlhttp, _err) {
|
|
this.egw.debug('error', 'Ajax request to', this.url, ' failed:',
|
|
_err);
|
|
}
|
|
});
|
|
}
|
|
|
|
json_request.prototype.handleResponse = function(data) {
|
|
if (data && data.response)
|
|
{
|
|
// Load files first
|
|
var js_files = [];
|
|
for (var i = data.response.length - 1; i > 0; --i)
|
|
{
|
|
var res = data.response[i];
|
|
if(res.type == 'js' && typeof res.data == 'string')
|
|
{
|
|
js_files.unshift(res.data);
|
|
data.response.splice(i,1);
|
|
}
|
|
}
|
|
if(js_files.length > 0)
|
|
{
|
|
this.egw.includeJS(js_files, function() {this.handleResponse(data);}, this);
|
|
return;
|
|
}
|
|
for (var i = 0; i < data.response.length; i++)
|
|
{
|
|
// Get the response object
|
|
var res = data.response[i];
|
|
|
|
// Check whether a plugin for the given type exists
|
|
if (typeof plugins[res.type] !== 'undefined')
|
|
{
|
|
for (var j = 0; j < plugins[res.type].length; j++) {
|
|
try {
|
|
// Get a reference to the plugin
|
|
var plugin = plugins[res.type][j];
|
|
|
|
// Call the plugin callback
|
|
plugin.callback.call(
|
|
plugin.context ? plugin.context : this.context,
|
|
res.type, res, this
|
|
);
|
|
|
|
} catch(e) {
|
|
var msg = e.message ? e.message : e + '';
|
|
var stack = e.stack ? "\n-- Stack trace --\n" + e.stack : ""
|
|
this.egw.debug('error', 'Exception "' + msg + '" while handling JSON response type "' + res.type + '", plugin', plugin, 'response', res, stack);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
var json = {
|
|
|
|
/** The constructor of the egw_json_request class.
|
|
*
|
|
* @param _menuaction the menuaction function which should be called and
|
|
* which handles the actual request. If the menuaction is a full featured
|
|
* url, this one will be used instead.
|
|
* @param _parameters which should be passed to the menuaction function.
|
|
* @param _async specifies whether the request should be asynchronous or
|
|
* not.
|
|
* @param _callback specifies the callback function which should be
|
|
* called, once the request has been sucessfully executed.
|
|
* @param _context is the context which will be used for the callback function
|
|
* @param _sender is a parameter being passed to the _callback function
|
|
*/
|
|
json: function(_menuaction, _parameters, _callback, _context, _async,
|
|
_sender)
|
|
{
|
|
return new json_request(_menuaction, _parameters, _callback,
|
|
_context, _async, _sender, this);
|
|
},
|
|
|
|
/**
|
|
* Registers a new handler plugin.
|
|
*
|
|
* @param _callback is the callback function which should be called
|
|
* whenever a response is comming from the server.
|
|
* @param _context is the context in which the callback function should
|
|
* be called. If null is given, the plugin is executed in the context
|
|
* of the request object context.
|
|
* @param _type is an optional parameter defaulting to 'global'.
|
|
* it describes the response type which this plugin should be
|
|
* handling.
|
|
*/
|
|
registerJSONPlugin: function(_callback, _context, _type)
|
|
{
|
|
// _type defaults to 'global'
|
|
if (typeof _type === 'undefined')
|
|
{
|
|
_type = 'global';
|
|
}
|
|
|
|
// Create an array for the given category inside the plugins object
|
|
if (typeof plugins[_type] === 'undefined')
|
|
{
|
|
plugins[_type] = [];
|
|
}
|
|
|
|
// Add the entry
|
|
plugins[_type].push({
|
|
'callback': _callback,
|
|
'context': _context,
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Removes a previously registered plugin.
|
|
*
|
|
* @param _callback is the callback function which should be called
|
|
* whenever a response is comming from the server.
|
|
* @param _context is the context in which the callback function should
|
|
* be called.
|
|
* @param _type is an optional parameter defaulting to 'global'.
|
|
* it describes the response type which this plugin should be
|
|
* handling.
|
|
*/
|
|
unregisterJSONPlugin: function(_callback, _context, _type)
|
|
{
|
|
// _type defaults to 'global'
|
|
if (typeof _type === 'undefined')
|
|
{
|
|
_type = 'global';
|
|
}
|
|
|
|
if (typeof plugins[_type] !== 'undefined') {
|
|
for (var i = 0; i < plugins[_type].length; i++)
|
|
{
|
|
if (plugins[_type][i].callback == _callback &&
|
|
plugins[_type][i].context == _context)
|
|
{
|
|
plugins[_type].slice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
// Regisert the "alert" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
//Check whether all needed parameters have been passed and call the alertHandler function
|
|
if ((typeof res.data.message != 'undefined') &&
|
|
(typeof res.data.details != 'undefined'))
|
|
{
|
|
req.alertHandler(
|
|
res.data.message,
|
|
res.data.details)
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'alert');
|
|
|
|
// Register the "assign" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
//Check whether all needed parameters have been passed and call the alertHandler function
|
|
if ((typeof res.data.id != 'undefined') &&
|
|
(typeof res.data.key != 'undefined') &&
|
|
(typeof res.data.value != 'undefined'))
|
|
{
|
|
var obj = document.getElementById(res.data.id);
|
|
if (obj)
|
|
{
|
|
obj[res.data.key] = res.data.value;
|
|
|
|
if (res.data.key == "innerHTML")
|
|
{
|
|
egw_insertJS(res.data.value);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'assign');
|
|
|
|
// Register the "data" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
//Callback the caller in order to allow him to handle the data
|
|
if (req.callback)
|
|
{
|
|
req.callback.call(req.sender, res.data);
|
|
return true;
|
|
}
|
|
}, null, 'data');
|
|
|
|
// Register the "script" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data == 'string')
|
|
{
|
|
try
|
|
{
|
|
var func = new Function(res.data);
|
|
func.call(req.egw ? req.egw.window : window);
|
|
}
|
|
catch (e)
|
|
{
|
|
req.egw.debug('error', 'Error while executing script: ',
|
|
res.data,e)
|
|
}
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'script');
|
|
|
|
// Register the "apply" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data.func == 'string')
|
|
{
|
|
var parts = res.data.func.split('.');
|
|
var func = parts.pop();
|
|
var parent = req.egw.window;
|
|
for(var i=0; i < parts.length && typeof parent[parts[i]] != 'undefined'; ++i)
|
|
{
|
|
parent = parent[parts[i]];
|
|
}
|
|
if (typeof parent[func] == 'function')
|
|
{
|
|
try
|
|
{
|
|
parent[func].apply(parent, res.data.parms);
|
|
}
|
|
catch (e)
|
|
{
|
|
req.egw.debug('error', e.message, ' in function', res.data.func,
|
|
'Parameters', res.data.parms);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'apply');
|
|
|
|
// Register the "jquery" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data.select == 'string' &&
|
|
typeof res.data.func == 'string')
|
|
{
|
|
try
|
|
{
|
|
var jQueryObject = $j(res.data.select, req.context);
|
|
jQueryObject[res.data.func].apply(jQueryObject, res.data.parms);
|
|
}
|
|
catch (e)
|
|
{
|
|
req.egw.debug('error', 'Function', res.data.func,
|
|
'Parameters', res.data.parms);
|
|
}
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'jquery');
|
|
|
|
// Register the "redirect" plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
//console.log(res.data.url);
|
|
if (typeof res.data.url == 'string' &&
|
|
typeof res.data.global == 'boolean')
|
|
{
|
|
//Special handling for framework reload
|
|
res.data.global |= (res.data.url.indexOf("?cd=10") > 0);
|
|
|
|
if (res.data.global)
|
|
{
|
|
egw_topWindow().location.href = res.data.url;
|
|
}
|
|
else
|
|
{
|
|
egw_appWindowOpen(req.app, res.data.url);
|
|
}
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'redirect');
|
|
|
|
// Register the 'css' plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data == 'string')
|
|
{
|
|
req.egw.includeCSS(res.data);
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'css');
|
|
|
|
// Register the 'js' plugin
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data == 'string')
|
|
{
|
|
req.jsCount++;
|
|
req.egw.includeJS(res.data, function() {
|
|
req.jsFiles++;
|
|
if (req.jsFiles == req.jsCount && req.onLoadFinish)
|
|
{
|
|
req.onLoadFinish.call(req.sender);
|
|
}
|
|
});
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'js');
|
|
|
|
// Register the 'html' plugin, replacing document content with send html
|
|
json.registerJSONPlugin(function(type, res, req) {
|
|
if (typeof res.data == 'string')
|
|
{
|
|
// Empty the document tree
|
|
while (_wnd.document.childNodes.length > 0)
|
|
{
|
|
_wnd.document.removeChild(_wnd.document.childNodes[0]);
|
|
}
|
|
|
|
// Write the given content
|
|
_wnd.document.write(res.data);
|
|
|
|
// Close the document
|
|
_wnd.document.close();
|
|
return true;
|
|
}
|
|
throw 'Invalid parameters';
|
|
}, null, 'html');
|
|
|
|
// Return the extension
|
|
return json;
|
|
});
|
|
|