More improvements to Wiki, mainly EditMode.

- Fixed display of Edit History. (Date, Author, PageId)
 - Added GxsId for Author Display.
 - Enabled/Disabled History depending on Modification & oldHistory flags.
 - Fixed bug where preview triggered Modification Flag.
 - Switched WikiDialog to Rendered Mode, and removed spacer.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5929 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/WikiPoos/WikiDialog.cpp

@@ -28,7 +28,7 @@
 #include "gui/WikiPoos/WikiAddDialog.h"
 #include "gui/WikiPoos/WikiEditDialog.h"
 
-#include "gui/gxs/WikiGroupDialog.h"
+#include "gui/gxs/WikiGroupDialog.h"
 
 #include <retroshare/rswiki.h>
 
@@ -37,6 +37,12 @@
 
 #include <QTimer>
 
+//#define USE_PEGMMD_RENDERER     1
+
+#ifdef USE_PEGMMD_RENDERER
+#include "markdown_lib.h"
+#endif
+
 /******
  * #define WIKI_DEBUG 1
  *****/
@@ -318,7 +324,22 @@ void WikiDialog::modTreeChanged()
 
 void WikiDialog::updateWikiPage(const RsWikiSnapshot &page)
 {
-	ui.textBrowser->setPlainText(QString::fromStdString(page.mPage));
+#ifdef USE_PEGMMD_RENDERER
+	/* render as HTML */
+	int extensions = 0;
+	char *answer = markdown_to_string((char *) page.mPage.c_str(), extensions, HTML_FORMAT);
+
+	QString renderedText = QString::fromUtf8(answer);
+	ui.textBrowser->setHtml(renderedText);
+
+	// free answer.
+	free(answer);
+#else
+	/* render as HTML */
+	QString renderedText = "IN (dummy) RENDERED TEXT MODE:\n";
+	renderedText += QString::fromStdString(page.mPage);
+	ui.textBrowser->setPlainText(renderedText);
+#endif
 }