MDL-51603 dataformat: Implement streaming dataformat plugin

2016-04-20 12:39:25 +10:00
parent b4772a41d1
commit bff1edbe44
34 changed files with 1461 additions and 5 deletions
@@ -0,0 +1,111 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * html data format writer
+ *
+ * @package    dataformat_html
+ * @copyright  2016 Brendan Heywood ([email protected])
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+namespace dataformat_html;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * html data format writer
+ *
+ * @package    dataformat_html
+ * @copyright  2016 Brendan Heywood ([email protected])
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class writer extends \core\dataformat\base {
+
+    /** @var $mimetype */
+    public $mimetype = "text/html";
+
+    /** @var $extension */
+    public $extension = ".html";
+
+    /**
+     * Write the start of the format
+     *
+     * @param array $columns
+     */
+    public function write_header($columns) {
+        echo "<!DOCTYPE html><html>";
+        echo \html_writer::tag('title', $this->filename);
+        echo "<style>
+html, body {
+    margin: 0;
+    padding: 0;
+    font-family: sans-serif;
+    font-size: 13px;
+    background: #eee;
+}
+th {
+    border: solid 1px #999;
+    background: #eee;
+}
+td {
+    border: solid 1px #999;
+    background: #fff;
+}
+tr:hover td {
+    background: #eef;
+}
+table {
+    border-collapse: collapse;
+    border-spacing: 0pt;
+    width: 80%;
+    margin: auto;
+}
+</style>
+<body>
+<table border=1 cellspacing=0 cellpadding=3>
+";
+        echo \html_writer::start_tag('tr');
+        foreach ($columns as $k => $v) {
+            echo \html_writer::tag('th', $v);
+        }
+        echo \html_writer::end_tag('tr');
+    }
+
+    /**
+     * Write a single record
+     *
+     * @param array $record
+     * @param int $rownum
+     */
+    public function write_record($record, $rownum) {
+        echo \html_writer::start_tag('tr');
+        foreach ($record as $cell) {
+            echo \html_writer::tag('td', $cell);
+        }
+        echo \html_writer::end_tag('tr');
+    }
+
+    /**
+     * Write the end of the format
+     *
+     * @param array $columns
+     */
+    public function write_footer($columns) {
+        echo "</table></body></html>";
+    }
+
+}