Hello,
I asked this similarly before, but I can't seem to find a solution a drives me
mad.....
The code of my current solution is added below.
when my application gets loaded for the first time a login form gets displayed
(from line 38 to line 79). If I insert login-data and click the button, I send
the
loginname and the password via qx.io.remote.Request to the database. If the
input
data is correct, the request will return a valid customerid ( integer > 0 ) and
which
gets alerted correctly in line 20. Then I store it in line 21 for further
processing
in the program, but the values alerted in the lines 33,34,84,85 remain 0.
If I refresh the page via browser-button, the CustID alerted in 33 or 84 has
the right value while
this.__IsLoggedIn remains 0.
How can I read a value from database for processing it in the same program run?
Somebody lately came up with asyncronous calls ... but like how ?
Can somebody give a working program snippet for this task ? Howtos ?
...would be grateful for your help!
1 qx.Class.define("newversion.Application",
2 {
3 extend : qx.application.Standalone,
4 members :
5 {
6 __IsLoggedIn : 0,
7
8 checkInput : function()
9 {
10 param = "http://www.ourdomain.com/php/auth.php?pass=";
+this.__tpassword.getValue()+"&login="+this.__tuser.getValue();
11 var auth_proc = new qx.io.remote.Request(param);
12 auth_proc.addListener("completed",
13 function(e){
14 try {
15 var content = e.getContent();
16 if (content.length > 0){
17 this.__IsLoggedIn= qx.util.Json.parse(content);
18 }
19 }catch (e){}
20 alert("this.__IsLoggedIn "+this.__IsLoggedIn);
21 qx.bom.Cookie.set("logonstate" , this.__IsLoggedIn );
22 }
23 );
24 auth_proc.send();
25 },
26
27 main: function()
28 {
29 this.base(arguments);
30 qx.locale.Manager.getInstance().setLocale("de_DE");
31 var CustID = qx.bom.Cookie.get(newversion.Application.COOKIE_KEY);
32
33 alert("CustID "+CustID);
34 alert("this.__IsLoggedIn "+this.__IsLoggedIn);
35
36 if (CustID == null){
37
38 /////////////////begin LOGIN-FORM////////////////////
39 // Create a layout for the main container
40 var layout = new qx.ui.layout.Grid(4, 2);
41
42 // Create the main container and set the layout
43 var container = new qx.ui.container.Composite(layout);
44
45 // Create some labels for the form elements
46
47 var luser = new qx.ui.basic.Label("User/Benutzer");
48 var lpassword = new qx.ui.basic.Label("Password/Passwort");
49
50 // Add the labels to the container
51
52 container.add(luser, {row: 1, column : 0});
53 container.add(lpassword, {row: 2, column : 0});
54
55 // Create the text fields
56 this.__tuser = new qx.ui.form.TextField();
57 this.__tpassword = new qx.ui.form.PasswordField();
58
59 container.add(this.__tuser, {row: 1, column : 1});
60 container.add(this.__tpassword , {row: 2, column : 1});
61
62 // And finally create a button to submit the form
63
64
65 var btSenden = new qx.ui.form.Button("Ok");
66
67 btSenden.addListener("execute", function(rep) {
68 this.checkInput();
69 this.main();
70
71 }, this);
72
73 this.checkInput();
74
75 container.add(btSenden, {row: 4, column : 1});
76 // Add the container to the application
77 this.getRoot().add(container, {left: "50%", top: "30%"});
78 /////////////////end LOGIN-FORM//////////////////////
79
80 }else{
81
82
qx.Class.patch(qx.ui.treevirtual.TreeVirtual,qx.ui.treevirtual.SimpleTreeDataModel);
83 qx.Class.include(qx.ui.treevirtual.TreeVirtual,
qx.ui.treevirtual.MNode);
84 alert("CustID "+CustID);
85 alert("this.__IsLoggedIn "+this.__IsLoggedIn);
Cheers
Poc
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