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#pma/libraries/plugins/transformations/abs/TextFileUploadTransformationsPlugin.php

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+<?php
+/* vim: set expandtab sw=4 ts=4 sts=4: */
+/**
+ * Abstract class for the text file upload input transformations plugins
+ *
+ * @package    PhpMyAdmin-Transformations
+ * @subpackage TextFileUpload
+ */
+namespace PMA\libraries\plugins\transformations\abs;
+
+use PMA\libraries\plugins\IOTransformationsPlugin;
+
+/**
+ * Provides common methods for all of the text file upload
+ * input transformations plugins.
+ *
+ * @package    PhpMyAdmin-Transformations
+ * @subpackage TextFileUpload
+ */
+abstract class TextFileUploadTransformationsPlugin extends IOTransformationsPlugin
+{
+    /**
+     * Gets the transformation description of the specific plugin
+     *
+     * @return string
+     */
+    public static function getInfo()
+    {
+        return __(
+            'File upload functionality for TEXT columns. '
+            . 'It does not have a textarea for input.'
+        );
+    }
+
+    /**
+     * Does the actual work of each specific transformations plugin.
+     *
+     * @param string $buffer  text to be transformed
+     * @param array  $options transformation options
+     * @param string $meta    meta information
+     *
+     * @return string
+     */
+    public function applyTransformation($buffer, $options = array(), $meta = '')
+    {
+        return $buffer;
+    }
+
+    /**
+     * Returns the html for input field to override default textarea.
+     * Note: Return empty string if default textarea is required.
+     *
+     * @param array  $column               column details
+     * @param int    $row_id               row number
+     * @param string $column_name_appendix the name attribute
+     * @param array  $options              transformation options
+     * @param string $value                Current field value
+     * @param string $text_dir             text direction
+     * @param int    $tabindex             tab index
+     * @param int    $tabindex_for_value   offset for the values tabindex
+     * @param int    $idindex              id index
+     *
+     * @return string the html for input field
+     */
+    public function getInputHtml(
+        $column,
+        $row_id,
+        $column_name_appendix,
+        $options,
+        $value,
+        $text_dir,
+        $tabindex,
+        $tabindex_for_value,
+        $idindex
+    ) {
+        $html = '';
+        if (!empty($value)) {
+            $html = '<input type="hidden" name="fields_prev' . $column_name_appendix
+                . '" value="' . htmlspecialchars($value) . '"/>';
+            $html .= '<input type="hidden" name="fields' . $column_name_appendix
+                . '" value="' . htmlspecialchars($value) . '"/>';
+        }
+        $html .= '<input type="file" name="fields_upload'
+            . $column_name_appendix . '"/>';
+
+        return $html;
+    }
+
+    /* ~~~~~~~~~~~~~~~~~~~~ Getters and Setters ~~~~~~~~~~~~~~~~~~~~ */
+
+    /**
+     * Gets the transformation name of the specific plugin
+     *
+     * @return string
+     */
+    public static function getName()
+    {
+        return "Text file upload";
+    }
+}