Proposal: GII generate strings for I18N

extensions/gii/Generator.php

@@ -448,4 +448,36 @@ abstract class Generator extends Model
 
         return in_array(strtolower($value), $keywords, true);
     }
+
+    /**
+     * Generates a string depending on translatable property
+     * @param string $string       the text be generated
+     * @param array  $placeholders the placeholders to use by `Yii::t()`
+     */
+    public function generateString($string = '', $placeholders = []){
+        if ($this->translatable) {
+            // If there are placeholders, use them
+            if (count($placeholders) > 0) {
+                $search = ['array (', ')'];
+                $replace = ['[', ']'];
+                $ph = ', ' . str_replace($search, $replace, var_export($placeholders, true));
+            } else {
+                $ph = '';
+            }
+            $str = "Yii::t('app', '" . $string . "'" . $ph . ")";
+        } else {
+            // No translatable, replace placeholders by real words, if any
+            if (count($placeholders) > 0) {
+                $phKeys = array_map(function($word) {
+                    return '{' . $word . '}';
+                }, array_keys($placeholders));
+                $phValues = array_values($placeholders);
+                $string = "'" . str_replace($phKeys, $phValues, $string) . "'";
+            } else {
+                // No placeholders, just the given string
+                $string = "'" . $string . "'";
+            }
+        }
+        return $string;
+    }
 }

extensions/gii/generators/crud/Generator.php

@@ -36,6 +36,7 @@ class Generator extends \yii\gii\Generator
     public $baseControllerClass = 'yii\web\Controller';
     public $indexWidgetType = 'grid';
     public $searchModelClass;
+    public $translatable = false;
 
     /**
      * @inheritdoc
@@ -71,6 +72,7 @@ class Generator extends \yii\gii\Generator
             [['indexWidgetType'], 'in', 'range' => ['grid', 'list']],
             [['modelClass'], 'validateModelClass'],
             [['moduleID'], 'validateModuleID'],
+            [['translatable'], 'boolean'],
         ]);
     }
 
@@ -86,6 +88,7 @@ class Generator extends \yii\gii\Generator
             'baseControllerClass' => 'Base Controller Class',
             'indexWidgetType' => 'Widget Used in Index Page',
             'searchModelClass' => 'Search Model Class',
+            'translatable' => 'Generate Translatable Strings',
         ]);
     }
 
@@ -107,6 +110,8 @@ class Generator extends \yii\gii\Generator
                 You may choose either <code>GridView</code> or <code>ListView</code>',
             'searchModelClass' => 'This is the name of the search model class to be generated. You should provide a fully
                 qualified namespaced class name, e.g., <code>app\models\search\PostSearch</code>.',
+            'translatable' => 'This indicates whether the generator should generate strings using <code>Yii::t()</code> method.
+                Set this to <code>true</code> if you are planning to make your application translatable.',
         ];
     }
 
@@ -123,7 +128,7 @@ class Generator extends \yii\gii\Generator
      */
     public function stickyAttributes()
     {
-        return ['baseControllerClass', 'moduleID', 'indexWidgetType'];
+        return ['baseControllerClass', 'moduleID', 'indexWidgetType', 'translatable'];
     }
 
     /**

extensions/gii/generators/crud/default/search.php

@@ -3,7 +3,7 @@
 use yii\helpers\StringHelper;
 
 /**
- * This is the template for generating a CRUD controller class file.
+ * This is the template for generating CRUD search class of the specified model.
  *
  * @var yii\web\View $this
  * @var yii\gii\generators\crud\Generator $generator
@@ -49,7 +49,7 @@ class <?= $searchModelClass ?> extends Model
     {
         return [
 <?php foreach ($labels as $name => $label): ?>
-            <?= "'$name' => '" . addslashes($label) . "',\n" ?>
+            <?= "'$name' => " . $generator->generateString(addslashes($label)) . ",\n" ?>
 <?php endforeach; ?>
         ];
     }

extensions/gii/generators/crud/default/views/_form.php

@@ -36,7 +36,7 @@ use yii\widgets\ActiveForm;
     echo "    <?= " . $generator->generateActiveField($attribute) . " ?>\n\n";
 } ?>
     <div class="form-group">
-        <?= "<?= " ?>Html::submitButton($model->isNewRecord ? 'Create' : 'Update', ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
+        <?= "<?= " ?>Html::submitButton($model->isNewRecord ? <?= $generator->generateString('Create') ?> : <?= $generator->generateString('Update') ?>, ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) ?>
     </div>
 
     <?= "<?php " ?>ActiveForm::end(); ?>

extensions/gii/generators/crud/default/views/_search.php

@@ -39,8 +39,8 @@ foreach ($generator->getColumnNames() as $attribute) {
 }
 ?>
     <div class="form-group">
-        <?= "<?= " ?>Html::submitButton('Search', ['class' => 'btn btn-primary']) ?>
-        <?= "<?= " ?>Html::resetButton('Reset', ['class' => 'btn btn-default']) ?>
+        <?= "<?= " ?>Html::submitButton(<?= $generator->generateString('Search') ?>, ['class' => 'btn btn-primary']) ?>
+        <?= "<?= " ?>Html::resetButton(<?= $generator->generateString('Reset') ?>, ['class' => 'btn btn-default']) ?>
     </div>
 
     <?= "<?php " ?>ActiveForm::end(); ?>

extensions/gii/generators/crud/default/views/create.php

@@ -18,8 +18,8 @@ use yii\helpers\Html;
  * @var <?= ltrim($generator->modelClass, '\\') ?> $model
  */
 
-$this->title = 'Create <?= Inflector::camel2words(StringHelper::basename($generator->modelClass)) ?>';
-$this->params['breadcrumbs'][] = ['label' => '<?= Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass))) ?>', 'url' => ['index']];
+$this->title = <?= $generator->generateString('Create {modelClass}', ['modelClass' => Inflector::camel2words(StringHelper::basename($generator->modelClass))]) ?>;
+$this->params['breadcrumbs'][] = ['label' => <?= $generator->generateString(Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass)))) ?>, 'url' => ['index']];
 $this->params['breadcrumbs'][] = $this->title;
 ?>
 <div class="<?= Inflector::camel2id(StringHelper::basename($generator->modelClass)) ?>-create">

extensions/gii/generators/crud/default/views/index.php

@@ -23,7 +23,7 @@ use <?= $generator->indexWidgetType === 'grid' ? "yii\\grid\\GridView" : "yii\\w
  * @var <?= ltrim($generator->searchModelClass, '\\') ?> $searchModel
  */
 
-$this->title = '<?= Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass))) ?>';
+$this->title = <?= $generator->generateString(Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass)))) ?>;
 $this->params['breadcrumbs'][] = $this->title;
 ?>
 <div class="<?= Inflector::camel2id(StringHelper::basename($generator->modelClass)) ?>-index">
@@ -33,7 +33,7 @@ $this->params['breadcrumbs'][] = $this->title;
     <?= "<?php " . ($generator->indexWidgetType === 'grid' ? "// " : "") ?>echo $this->render('_search', ['model' => $searchModel]); ?>
 
     <p>
-        <?= "<?= " ?>Html::a('Create <?= Inflector::camel2words(StringHelper::basename($generator->modelClass)) ?>', ['create'], ['class' => 'btn btn-success']) ?>
+        <?= "<?= " ?>Html::a(<?= $generator->generateString('Create {modelClass}', ['modelClass' => Inflector::camel2words(StringHelper::basename($generator->modelClass))]) ?>, ['create'], ['class' => 'btn btn-success']) ?>
     </p>
 
 <?php if ($generator->indexWidgetType === 'grid'): ?>

extensions/gii/generators/crud/default/views/update.php

@@ -20,10 +20,10 @@ use yii\helpers\Html;
  * @var <?= ltrim($generator->modelClass, '\\') ?> $model
  */
 
-$this->title = 'Update <?= Inflector::camel2words(StringHelper::basename($generator->modelClass)) ?>: ' . $model-><?= $generator->getNameAttribute() ?>;
-$this->params['breadcrumbs'][] = ['label' => '<?= Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass))) ?>', 'url' => ['index']];
+$this->title = <?= $generator->generateString('Update {modelClass}: ', ['modelClass' => Inflector::camel2words(StringHelper::basename($generator->modelClass))]) ?> . $model-><?= $generator->getNameAttribute() ?>;
+$this->params['breadcrumbs'][] = ['label' => <?= $generator->generateString(Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass)))) ?>, 'url' => ['index']];
 $this->params['breadcrumbs'][] = ['label' => $model-><?= $generator->getNameAttribute() ?>, 'url' => ['view', <?= $urlParams ?>]];
-$this->params['breadcrumbs'][] = 'Update';
+$this->params['breadcrumbs'][] = <?= $generator->generateString('Update') ?>;
 ?>
 <div class="<?= Inflector::camel2id(StringHelper::basename($generator->modelClass)) ?>-update">
 

extensions/gii/generators/crud/default/views/view.php

@@ -22,7 +22,7 @@ use yii\widgets\DetailView;
  */
 
 $this->title = $model-><?= $generator->getNameAttribute() ?>;
-$this->params['breadcrumbs'][] = ['label' => '<?= Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass))) ?>', 'url' => ['index']];
+$this->params['breadcrumbs'][] = ['label' => <?= $generator->generateString(Inflector::pluralize(Inflector::camel2words(StringHelper::basename($generator->modelClass)))) ?>, 'url' => ['index']];
 $this->params['breadcrumbs'][] = $this->title;
 ?>
 <div class="<?= Inflector::camel2id(StringHelper::basename($generator->modelClass)) ?>-view">
@@ -30,11 +30,11 @@ $this->params['breadcrumbs'][] = $this->title;
     <h1><?= "<?= " ?>Html::encode($this->title) ?></h1>
 
     <p>
-        <?= "<?= " ?>Html::a('Update', ['update', <?= $urlParams ?>], ['class' => 'btn btn-primary']) ?>
-        <?= "<?= " ?>Html::a('Delete', ['delete', <?= $urlParams ?>], [
+        <?= "<?= " ?>Html::a(<?= $generator->generateString('Update') ?>, ['update', <?= $urlParams ?>], ['class' => 'btn btn-primary']) ?>
+        <?= "<?= " ?>Html::a(<?= $generator->generateString('Delete') ?>, ['delete', <?= $urlParams ?>], [
             'class' => 'btn btn-danger',
             'data' => [
-                'confirm' => Yii::t('app', 'Are you sure you want to delete this item?'),
+                'confirm' => <?= $generator->generateString('Are you sure you want to delete this item?') ?>,
                 'method' => 'post',
             ],
         ]) ?>

extensions/gii/generators/crud/form.php

@@ -14,3 +14,4 @@ echo $form->field($generator, 'indexWidgetType')->dropDownList([
     'grid' => 'GridView',
     'list' => 'ListView',
 ]);
+echo $form->field($generator, 'translatable')->checkbox();