add contents

lib/plugins/odt/ODT/elements/ODTContainerElement.php

@@ -0,0 +1,92 @@
+<?php
+
+require_once DOKU_PLUGIN.'odt/ODT/elements/ODTStateElement.php';
+
+/**
+ * Interface iContainerAccess
+ *
+ * To prevent clashes with other interfaces function names all functions
+ * are prefixed with iCA_.
+ * 
+ * @package ODT\iContainerAccess
+ */
+interface iContainerAccess
+{
+    public function isNested ();
+    public function addNestedContainer (iContainerAccess $nested);
+    public function getNestedContainers ();
+    public function determinePositionInContainer (array &$data, ODTStateElement $current);
+    public function getMaxWidthOfNestedContainer (ODTInternalParams $params, array $data);
+}
+
+/**
+ * ODTContainerElement:
+ * Class for extra code to support container elements (frame and table).
+ *
+ * @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author  LarsDW223
+ */
+class ODTContainerElement
+{
+    // Container specific state data
+    protected $owner = NULL;
+    protected $is_nested = false;
+    protected $nestedContainers = array();
+
+    /**
+     * Constructor.
+     */
+    public function __construct(ODTStateElement $owner) {
+        $this->owner = $owner;
+    }
+
+    /**
+     * Determine and set the parent for this element.
+     * The parent is the previous element.
+     * 
+     * If the container is nested in another table or frame,
+     * then the surrounding table or frame is the parent!
+     *
+     * @param ODTStateElement $previous
+     */
+    public function determineParent(ODTStateElement $previous) {
+        $container = $previous;
+        while ($container != NULL) {
+            if ($container->getClass() == 'table-cell') {
+                $cell = $container;
+            }
+            if ($container->getClass() == 'table') {
+                break;
+            }
+            if ($container->getClass() == 'frame') {
+                break;
+            }
+            $container = $container->getParent();
+        }
+        if ($container == NULL) {
+            $this->owner->setParent($previous);
+        } else {
+            $this->owner->setParent($container);
+            $container->addNestedContainer ($this->owner);
+            $this->is_nested = true;
+        }
+    }
+
+    /**
+     * Is this container nested in another container
+     * (inserted into another table or frame)?
+     * 
+     * @return boolean
+     */
+    public function isNested () {
+        return $this->is_nested;
+    }
+
+    public function addNestedContainer (iContainerAccess $nested) {
+        $this->nestedContainers [] = $nested;
+    }
+
+    public function getNestedContainers () {
+        return $this->nestedContainers;
+    }
+}