1 |
<?php |
2 |
|
3 |
/** |
4 |
* This example illustrates the use of the |
5 |
* permissions checking mechanism built into the |
6 |
* PageWidget object. |
7 |
* |
8 |
* |
9 |
* $Id: widget13.php,v 1.2 2004/02/03 23:46:51 hemna Exp $ |
10 |
* |
11 |
* @author Walter A. Boring IV <waboring@buildabetterweb.com> |
12 |
* @package phpHtmlLib |
13 |
* @subpackage widget-examples |
14 |
* @version 2.4.0 |
15 |
* |
16 |
*/ |
17 |
|
18 |
/** |
19 |
* Include the phphtmllib libraries |
20 |
* |
21 |
*/ |
22 |
include_once("includes.inc"); |
23 |
|
24 |
class PermissionsCheckTestPage extends PageWidget { |
25 |
|
26 |
|
27 |
function PermissionsCheckTestPage($title) { |
28 |
//turn on the ability to do a permissions check |
29 |
$this->allow_permissions_checks(TRUE); |
30 |
|
31 |
$this->PageWidget($title, HTML); |
32 |
|
33 |
//we need this for the css defined for the InfoTable |
34 |
//for the DialogWidget. The DialogWidget uses InfoTable. |
35 |
$this->add_css_link("/phphtmllib/css/defaulttheme.php"); |
36 |
} |
37 |
|
38 |
/** |
39 |
* This method is called during constructor time to check |
40 |
* to make sure the page is allowed to build and render |
41 |
* any content. |
42 |
* |
43 |
* @return boolean FALSE = not allowed. |
44 |
*/ |
45 |
function permission() { |
46 |
//If you want to see a 'permissions' error |
47 |
//on this page then pass in the query string |
48 |
//variable 'failed=1' on the url to this script. |
49 |
if (isset($_REQUEST["failed"])) { |
50 |
//ok we 'failed'. Lets set the specialized |
51 |
//error message with a link to go back. |
52 |
$this->set_permissions_message( |
53 |
container("You don't have permissions!", |
54 |
html_br(2), |
55 |
html_a($_SERVER["PHP_SELF"],"GO BACK"))); |
56 |
return false; |
57 |
} |
58 |
return true; |
59 |
} |
60 |
|
61 |
/** |
62 |
* This will only get called if we have permissions to |
63 |
* build and render the content for this page object. |
64 |
* |
65 |
* @return object |
66 |
*/ |
67 |
function body_content() { |
68 |
$dialog = new MessageBoxWidget("Some title", "400", |
69 |
container("This is a message", |
70 |
html_br(2), |
71 |
"Want to see a permissions error?", |
72 |
html_br(), |
73 |
html_a($_SERVER["PHP_SELF"]."?failed=1", |
74 |
"Click Here")) |
75 |
); |
76 |
|
77 |
return $dialog; |
78 |
} |
79 |
} |
80 |
|
81 |
//build the Page object and try and |
82 |
//render it's content. |
83 |
//the permissions checking happens at |
84 |
//'constructor' time. |
85 |
$page = new PermissionsCheckTestPage("testing"); |
86 |
|
87 |
//the render method will not call the |
88 |
//content building methods if the permissions |
89 |
//fail. |
90 |
print $page->render(); |
91 |
?> |