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1 | <?php |
2 | |
3 | namespace Flow\Block; |
4 | |
5 | use Flow\Model\UUID; |
6 | use IContextSource; |
7 | |
8 | interface Block { |
9 | /** |
10 | * @param IContextSource $context |
11 | * @param string $action |
12 | */ |
13 | public function init( IContextSource $context, $action ); |
14 | |
15 | /** |
16 | * Perform validation of data model |
17 | * |
18 | * @param array $data |
19 | * @return bool True if data model is valid |
20 | */ |
21 | public function onSubmit( array $data ); |
22 | |
23 | /** |
24 | * Write updates to storage |
25 | */ |
26 | public function commit(); |
27 | |
28 | /** |
29 | * Render the API output of this Block. |
30 | * Templating is provided for convenience |
31 | * |
32 | * @param array $options |
33 | * @return array |
34 | */ |
35 | public function renderApi( array $options ); |
36 | |
37 | /** |
38 | * @return string Unique name among all blocks on an object |
39 | */ |
40 | public function getName(); |
41 | |
42 | /** |
43 | * @return UUID |
44 | */ |
45 | public function getWorkflowId(); |
46 | |
47 | /** |
48 | * Returns an array of all error types encountered in this block. The values |
49 | * in the returned array can be used to pass to getErrorMessage() or |
50 | * getErrorExtra() to respectively fetch the specific error message or |
51 | * additional details. |
52 | * |
53 | * @return array |
54 | */ |
55 | public function getErrors(); |
56 | |
57 | /** |
58 | * Checks if any errors have occurred in the block (no argument), or if a |
59 | * specific error has occurred (argument being the error type) |
60 | * |
61 | * @param string|null $type |
62 | * @return bool |
63 | */ |
64 | public function hasErrors( $type = null ); |
65 | |
66 | /** |
67 | * Returns true if the block can render the requested action, or false |
68 | * otherwise. |
69 | * |
70 | * @param string $action |
71 | * @return bool |
72 | */ |
73 | public function canRender( $action ); |
74 | } |