Move entities and managers back to Common (#431)

src/Spout/Writer/Common/Manager/WorksheetManagerInterface.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Box\Spout\Writer\Common\Manager;
+
+use Box\Spout\Writer\Common\Entity\Worksheet;
+use Box\Spout\Writer\Style\Style;
+
+/**
+ * Interface WorksheetManagerInterface
+ * Inteface for worksheet managers, providing the generic interfaces to work with worksheets.
+ *
+ * @package Box\Spout\Writer\Common\Manager
+ */
+interface WorksheetManagerInterface
+{
+    /**
+     * Adds data to the worksheet.
+     *
+     * @param Worksheet $worksheet The worksheet to add the row to
+     * @param array $dataRow Array containing data to be written. Cannot be empty.
+     *          Example $dataRow = ['data1', 1234, null, '', 'data5'];
+     * @param Style $rowStyle Style to be applied to the row. NULL means use default style.
+     * @return void
+     * @throws \Box\Spout\Common\Exception\IOException If the data cannot be written
+     * @throws \Box\Spout\Common\Exception\InvalidArgumentException If a cell value's type is not supported
+     */
+    public function addRow(Worksheet $worksheet, $dataRow, $rowStyle);
+
+    /**
+     * Prepares the worksheet to accept data
+     *
+     * @param Worksheet $worksheet The worksheet to start
+     * @return void
+     * @throws \Box\Spout\Common\Exception\IOException If the sheet data file cannot be opened for writing
+     */
+    public function startSheet(Worksheet $worksheet);
+
+    /**
+     * Closes the worksheet
+     *
+     * @param Worksheet $worksheet
+     * @return void
+     */
+    public function close(Worksheet $worksheet);
+}