MDL-61657 block_myoverview: implement course images for the myoverview block

lib/geopattern-php/GeoPattern/SVGElements/Base.php

@@ -0,0 +1,55 @@
+<?php namespace RedeyeVentures\GeoPattern\SVGElements;
+
+abstract class Base
+{
+    protected $tag;
+    protected $elements;
+    protected $args;
+
+    function __construct($args)
+    {
+        $this->args = $args;
+    }
+
+    public function elementsToString()
+    {
+        $string = ' ';
+        foreach ($this->elements as $key => $value)
+        {
+            $string .= "$key=\"$value\" ";
+        }
+        return $string;
+    }
+
+    public function argsToString()
+    {
+        $string = '';
+        foreach ($this->args as $key => $value)
+        {
+            if (is_array($value))
+            {
+                $string .= "$key=\"";
+                foreach ($value as $k => $v)
+                {
+                    $string .= "$k:$v;";
+                }
+                $string .= '" ';
+            }
+            else
+            {
+                $string .= "$key=\"$value\" ";
+            }
+        }
+        return $string;
+    }
+
+    public function getString()
+    {
+        return "<{$this->tag}{$this->elementsToString()}{$this->argsToString()}/>";
+    }
+
+    function __toString()
+    {
+        return $this->getString();
+    }
+}