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Informations about the package yii2-linktitles
Yii2-LinkTitles
LinkTitles is a Yii 2.0 widget which adds titles to relative links. The titles will pop up in a toolbox window when hovering above the link. The titles are fetched from the site by means of JSON-calls. If the link already has a title, it will remain unchanged, and not be overwritten by LinkTitles.
A demonstration of the LinkTitles is here.
Installation
Install yii2-linktitles in the usual way with Composer.
Add the following to the require section of your composer.json file:
"sjaakp/yii2-linktitles": "*"
or run:
composer require sjaakp/yii2-linktitles
You can manually install yii2-linktitles by downloading the source in ZIP-format.
Prerequisites
For LinkTitles to work, some settings have to be done to the urlManager component
in the site's main configuration file, usually called web.php or main.php in the config
directory:
'urlManager' => [
'enablePrettyUrl' => true,
'showScriptName' => false,
'rules' => [
'<c:[\w\-]+>/<id:\d+>' => '<c>/view',
// other rules ...
],
// ...Many Yii 2 sites will have these settings anyway.
Using the LinkTitles widget
Using the LinkTitles widget in an Yii2 view file can be as simple as:
...
<p>Some HTML containing several relative links... </p>
... The HTML between begin() and end() can be as complicated as you like.
On loading the view, LinkTitles tries to retrieve the titles of
all the relative links by means of a JSON call with a modified href.
If the href of the link is /message/42, LinkTitles calls
/message/link-title/42.
The site is expected to return the title in JSON-format, like:
{ "title": "The title of Message 42" }One way to accomplish this is by using LinkTitleAction to add an action
link-title to the controller linked to, like so:
This assumes that the model (Message) has an attribute title which
contains the link title.
If the link title is kept in another attribute, say header,
set the attribute property of LinkTitleAction to its name, like so:
public function actions()
{
return [
'link-title' => [
'class' => LinkTitleAction::class,
'model' => Message::class,
'attribute' => 'header'
]
];
}You may also write a custom function to handle the link-title function
along these lines:
<?php
class MessageController extends Controller
{
...
public function actionLinkTitle($id)
{
$model = Message::findOne($id);
if ($model) {
$title = <retrieve title from $model>
$r = [ 'title' => $title ];
}
else $r = [];
return $this->asJson($r);
}
...
}