chinese-journal/yii/protected/models/DictionaryForm.php

<?php

class DictionaryForm extends CFormModel {

    public $request;
    public $serverIsWorking;
    public $jsonString;
    public $response;

    public function rules() {
        return array(
            // username and password are required
            array('request', 'required', 'message' => '{attribute} ' . Yii::t('app', 'Field should not be blank')),
        );
    }

    function attributeLabels() {
        return array(
            'request' => Yii::t('app', 'Please enter request:'),
        );
    }

    public function getResponse() {
        $this->serverIsWorking = false;
        $this->response = false;

        try {
            set_error_handler(function() { /* ignore errors */
            });
            $this->jsonString = file_get_contents('http://127.0.0.1:8843/' . $this->request);
            $this->response = json_decode($this->jsonString, true);
            restore_error_handler();

            if ($this->jsonString) {
                $this->serverIsWorking = true;
            }
        } catch (Exception $ex) {
            $this->serverIsWorking = false;
        }

        $this->serverIsWorking = true;
    }

    public function resultExists() {
        return ($this->serverIsWorking) && ($this->response) && ($this->response['words'] !== "");
    }

    public function getDataProvider() {
        $dataProvider = new CArrayDataProvider($this->response['words'], array(
            'id' => 'dictionaryResultDataProvider',
            'pagination' => array(
                'pageSize' => 10,
            ),
        ));

        return $dataProvider;
    }

}