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more view docs

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This commit is contained in:
Alexander Makarov
2013-08-16 02:03:41 +04:00
parent 15c9cc23b4
commit 805706b26e
2 changed files with 60 additions and 2 deletions
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60
docs/guide/view.md
View File

@ -183,8 +183,32 @@ page. We're using third argument so one of the views could override it.
### Registering scripts ### Registering scripts
With View object you can register scripts. There are two dedicated methods for it: `registerScript` for inline scripts
and `registerJsFile` for external scripts. Inline scripts are useful for configuration and dynamically generated code.
The method for adding these can be used as follows:
```php
$this->registerScript("var options = ".json_encode($options).";", View::POS_END, 'my-options');
```
First argument is the actual code where we're converting a PHP array of options to JavaScript one. Second argument
determines where script should be in the page. Possible values are:
- `View::POS_HEAD` for head section.
- `View::POS_BEGIN` for right after opening `<body>`.
- `View::POS_END` for right before closing `</body>`.
- `View::POS_READY` for executing code on document `ready` event. This one registers jQuery automatically.
The last argument is unique script ID that is used to identify code block and replace existing one with the same ID
instead of adding a new one.
External script can be added like the following:
```php
$this->registerJsFile('http://example.com/js/main.js');
```
Same as with external CSS it's preferred to use asset bundles for external scripts.
### Registering asset bundles ### Registering asset bundles
@ -198,6 +222,40 @@ frontend\config\AppAsset::register($this);
### Layout ### Layout
A layout is a very convenient way to represent the part of the page that is common for all or at least for most pages
generated by your application. Typically it includes `<head>` section, footer, main menu and alike elements.
You can fine a fine example of the layout in a [basic application template](apps-basic.md). Here we'll review the very
basic one without any widgets or extra markup.
```php
<?php
use yii\helpers\Html;
?>
<?php $this->beginPage(); ?>
<!DOCTYPE html>
<html lang="<?php echo Yii::$app->charset; ?>">
<head>
<meta charset="<?php echo Yii::$app->charset; ?>"/>
<title><?php echo Html::encode($this->title); ?></title>
<?php $this->head(); ?>
</head>
<body>
<?php $this->beginBody(); ?>
<div class="container">
<?php echo $content; ?>
</div>
<footer class="footer">© 2013 me :)</footer>
<?php $this->endBody(); ?>
</body>
</html>
<?php $this->endPage(); ?>
```
In the markup above there's some code. First of all, `$content` is a variable that will contain result of views rendered
with controller's `$this->render()` method.
TBD
### Partials ### Partials
Often you need to reuse some HTML markup in many views and often it's too simple to create a full-featured widget for it. Often you need to reuse some HTML markup in many views and often it's too simple to create a full-featured widget for it.
@ -255,4 +313,4 @@ echo $this->context->getRoute();
### Caching blocks ### Caching blocks
To learn about caching of view fragments please refer to [caching](caching.md) section of the guide.

2
framework/yii/base/View.php
View File

@ -654,7 +654,7 @@ class View extends Component
* - [[POS_BEGIN]]: at the beginning of the body section * - [[POS_BEGIN]]: at the beginning of the body section
* - [[POS_END]]: at the end of the body section * - [[POS_END]]: at the end of the body section
* - [[POS_READY]]: enclosed within jQuery(document).ready(). This is the default value. * - [[POS_READY]]: enclosed within jQuery(document).ready(). This is the default value.
* Note that by using this position, the method will automatically register the jquery js file. * Note that by using this position, the method will automatically register the jQuery js file.
* *
* @param string $key the key that identifies the JS code block. If null, it will use * @param string $key the key that identifies the JS code block. If null, it will use
* $js as the key. If two JS code blocks are registered with the same key, the latter * $js as the key. If two JS code blocks are registered with the same key, the latter