init commit

LanguageAsset.php

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+<?php 
+namespace pceuropa\language-selection;
+
+class LanguageAsset extends \yii\web\AssetBundle{
+    public $sourcePath = '@vendor/pceuropa/yii2-language-selection-widget/assets';
+    public $baseUrl = '@web';
+    public $depends = [
+        'yii\bootstrap\BootstrapAsset',
+    ];
+}

LanguageSelection.php

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+<?php
+namespace pceuropa\language-selection\LanguageSelection;
+
+use Yii;
+use yii\helpers\Html;
+use pceuropa\language-selection\LanguageAsset;
+
+class LanguageSelection extends \yii\base\Widget {
+
+	public $language;
+	public $url;
+	public $languageParam;
+
+	public function init(){
+		parent::init();
+		if ($this->language === null) {
+            $this->language = ['en'];
+        }
+
+        if ($this->languageParam === null) {
+            $this->languageParam = ['language'];
+        }
+
+        LanguageAsset::register($this->view);
+        $this->url = $this->view->assetBundles[LanguageAsset::className()]->baseUrl;
+	}
+
+	public function run(){
+		return $this->widgetRender();
+	}
+
+	public function patchFlag($lang){
+		return $this->url .'/images/flags/'.$lang.'.png'; 
+	}
+
+	public function allFlag(){
+		$items = '';
+
+		foreach ($this->language as $key => $value) {
+			if (Yii::$app->language != $value){
+				$img = Html::img( $this->patchFlag($value));
+				$a = Html::a ($img ,  ['', $this->languageParam => $value] );
+				$items .= Html::tag('li',$a );
+			}
+		}
+
+		return $items; 
+	}
+
+	public function widgetRender(){
+
+		return $this->render('language-selection', [
+			'flags' => [
+				'now' => $this->patchFlag(Yii::$app->language),
+				'all' => $this->allFlag(),
+			]
+		]);
+	}
+}
+
+?>

composer.json

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+{
+	"name": "pceuropa/yii2-language-selection-widget",
+	"description": "Menu dropdown to select languages",
+	"keywords": [
+		"yii2",
+		"extension",
+		"dropmenu",
+		"flag icons",
+		"bootstrap menu"
+	],
+	"version": "1.0.0",
+	"homepage": "https://github.com/pceuropa/yii2-language-selection-widget.git",
+	"type": "yii2-extension",
+	"license": "MIT",
+	"minimum-stability": "dev",
+	"authors": [
+		{
+		  "name": "Rafal Marguzewicz",
+		  "email": "[email protected]",
+		  "homepage": "https://pceuropa.net/"
+		}
+	],
+	"autoload": {
+		"psr-4": {
+		  "pceuropa\\language-selection\\": ""
+		}
+	}
+}

views/language-selection.php

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+<?php
+    use yii\helpers\Html;
+	$img = Html::img($flags['now']) . ' <span class="caret"></span>';
+?>
+<li class="dropdown">
+	<?= Html::a ($img, ['#'], [ 'class' => 'dropdown-toggle', 'data-toggle' => 'dropdown', 'role' => 'button', 'aria-haspopup' => 'true', 'aria-expanded' => 'false', ] ); ?>
+	<ul class="dropdown-menu court">
+		<?= $flags['all']?>
+	</ul>
+</li>
+
+<?php $this->registerCss(".court { width: 50px; min-width:50px}"); ?>