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wp-content/plugins/sitepress-multilingual-cms/inc/upgrade-functions/2.0.0/stepper.php

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+<?php
+
+class Icl_Stepper {
+
+
+	/**
+	 * Added dummy element to match number of elements and to cover init action
+	 *
+	 * @var array
+	 */
+	protected $_steps = array( null );
+	/**
+	 * Current step
+	 *
+	 * @var int
+	 */
+	protected $_step;
+	/**
+	 * Next step can be forced with Icl_Stepper::setNextStep()
+	 *
+	 * @var int
+	 */
+	protected $_nextStep = null;
+
+	/**
+	 * Provide current step here
+	 *
+	 * @param int $step
+	 */
+	function __construct( $step = 0 ) {
+		if ( empty( $step ) ) {
+			$step = 0;
+		}
+		$this->_step = intval( $step );
+	}
+
+	/**
+	 * Register steps (function names)
+	 */
+	public function registerSteps() {
+		$args         = func_get_args();
+		$this->_steps = array_merge( $this->_steps, $args );
+	}
+
+	/**
+	 * Returns current step
+	 *
+	 * @return int
+	 */
+	public function getStep() {
+		return $this->_step;
+	}
+
+	/**
+	 * Returns next step
+	 *
+	 * @return int
+	 */
+	public function getNextStep() {
+		return ! is_null( $this->_nextStep ) ? $this->_nextStep : $this->_step += 1;
+	}
+
+	/**
+	 * Sets current step
+	 *
+	 * @param int $num
+	 */
+	public function setStep( $num ) {
+		$this->_step = intval( $num );
+	}
+
+	/**
+	 * Forcing next step
+	 *
+	 * @param int $num
+	 */
+	public function setNextStep( $num ) {
+		$this->_nextStep = intval( $num );
+	}
+
+	/**
+	 * Calculates bar width
+	 *
+	 * @return int Should be used as percentage width (%)
+	 */
+	public function barWidth() {
+		return round( ( $this->_step * 100 ) / count( $this->_steps ) );
+	}
+
+	/**
+	 * Calls current step's function
+	 *
+	 * @return mixed
+	 */
+	public function init() {
+		if ( $this->_step !== 0 && isset( $this->_steps[ $this->_step ] )
+				&& is_callable( $this->_steps[ $this->_step ] ) ) {
+			return call_user_func_array( $this->_steps[ $this->_step ], array( $this->_step, $this ) );
+		}
+	}
+
+	/**
+	 * Returns initial HTML formatted screen
+	 *
+	 * @param string $message Message to be displayed
+	 * @return string
+	 */
+	public function render( $message = '' ) {
+		$output = '<div class="progress-bar" style="width: 100%; height: 15px; background-color: #FFFFFFF; border: 1px solid #e6db55;">
+            <div class="progress" style="height: 100%; background-color: Yellow; width: ' . $this->barWidth() . '%;"></div>
+        </div>
+        <div class="message" style="clear:both;">' . $message . '</div>';
+		return $output;
+	}
+
+}