add contents

lib/plugins/odt/ODT/ODTFootnote.php

@@ -0,0 +1,82 @@
+<?php
+
+require_once DOKU_PLUGIN . 'odt/ODT/ODTDocument.php';
+
+/**
+ * ODTFootnote:
+ * Class containing static code for handling footnotes.
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author Andreas Gohr
+ */
+class ODTFootnote
+{
+    /**
+     * Open/start a footnote.
+     *
+     * All following content will go to the footnote instead of
+     * the document. To achieve this the previous content
+     * is moved to $store and $content is cleared
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     */
+    function footnoteOpen(ODTInternalParams $params, $element=NULL, $attributes=NULL) {
+        // $element and $attributes are actually unused
+
+        // Move current content to store and record footnote
+        $params->document->store = $params->content;
+        $params->content = '';
+
+        $note = new ODTElementNote();
+        $params->document->state->enter($note);
+        $note->setHTMLElement ($element);
+    }
+
+    /**
+     * Close/end a footnote.
+     *
+     * All content is moved to the $footnotes array and the old
+     * content is restored from $store again.
+     *
+     * @author Andreas Gohr
+     */
+    function footnoteClose(ODTInternalParams $params) {
+        // Close any open paragraph first
+        $params->document->paragraphClose();
+
+        ODTUtility::closeHTMLElement ($params, $params->document->state->getHTMLElement());
+        $params->document->closeCurrentElement();
+
+        // Recover footnote into the stack and restore old content
+        $footnote = $params->content;
+        $params->content = $params->document->store;
+        $params->document->store = '';
+
+        // Check to see if this footnote has been seen before
+        $i = array_search($footnote, $params->document->footnotes);
+        $label = ($i+1).')';
+
+        if ($i === false) {
+            $i = count($params->document->footnotes);
+            $label = ($i+1).')';
+
+            // Its a new footnote, add it to the $footnotes array
+            $params->document->footnotes[$i] = $footnote;
+
+            $params->content .= '<text:note text:id="ftn'.$i.'" text:note-class="footnote">';
+            $params->content .= '<text:note-citation text:label="'.$label.'">'.$label.'</text:note-citation>';
+            $params->content .= '<text:note-body>';
+            $params->content .= $footnote;
+            $params->content .= '</text:note-body>';
+            $params->content .= '</text:note>';
+        } else {
+            // Seen this one before - just reference it
+            $params->document->spanOpen($params->document->getStyleName('footnote anchor'));
+            $params->content .= '<text:note-ref text:note-class="footnote" text:reference-format="text" text:ref-name="ftn'.$i.'">'.$label.'</text:note-ref>';
+            $params->document->spanClose();
+        }
+
+        // Only for debugging...
+        //$params->document->trace_dump .= $params->document->state->toString();
+    }
+}