Hi everybody,
I would like to share a little test to keep working qooxdoo and cherrypy
with AJAX communications.
You need to install Python 2.7, cherrypy and jinja2 template system.
Start installing an empty qooxdoo application with:
python create-application.py --name my_ajax_test
then write a python script with the following source code into my_ajax_test
directory:
8<-------8<-------8<-------8<-------8<-------8<-------8<-------8<-------
import cherrypy
from jinja2 import Environment, FileSystemLoader
import os.path
import json
QXDEBUG = True
if QXDEBUG:
qxpath = 'source'
else:
qxpath = 'build'
current_dir = os.path.join( os.path.dirname(os.path.abspath(__file__)),
qxpath)
env = Environment(loader=FileSystemLoader(qxpath))
conf = {
'global' : {
'server.socket_port' : 8080,
},
'/' : {
'tools.staticdir.on': True,
'tools.staticdir.dir': current_dir + '/'
}
}
if QXDEBUG:
conf['/source'] = {
'tools.staticdir.on': True,
'tools.staticdir.dir': current_dir
}
class Root:
@cherrypy.expose
def index(self):
tmpl = env.get_template('index.html')
return tmpl.render()
@cherrypy.expose
def ajax_qx(self, title):
cherrypy.response.headers['Content-Type'] = 'application/json'
return json.dumps(dict(title="%s from cherrypy" % (title)))
cherrypy.quickstart(Root(), config=conf)
8<-------8<-------8<-------8<-------8<-------8<-------8<-------8<-------
and modify the source of Application.js file in this way:
8<-------8<-------8<-------8<-------8<-------8<-------8<-------8<-------
// Add an event listener
button1.addListener("execute", function(e) {
// Instantiate request
var req = new qx.io.request.Xhr("ajax_qx", "POST");
req.setRequestData({"title": "Hello"});
req.addListener("success", function(e) {
var req = e.getTarget();
var response = req.getResponse();
alert(response['title'] );
}, this);
req.send();
8<-------8<-------8<-------8<-------8<-------8<-------8<-------8<-------
now start the cherrypy server with:
python cherrypy_server.py
and go to page:
http://localhost:8080/
Press the button and you should see: "Hello from cherrypy"
This is all.
P.S. the jinja2 template system is an overkill, but can be useful so I
leaved it.
P.P.S. If you use Python versions before 2.7 you need SimpleJson instead
json.
Best Regards
Claudio Driussi
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