open localized help file if available

git-svn-id: http://cpunk.de/svn/src/gpg4usb/trunk@1089 34ebc366-c3a9-4b3c-9f84-69acf7962910

2 files changed, 44 insertions, 1 deletions

diff --git a/helppage.cpp b/helppage.cpp
index 40152cb..9fd3d34 100644
--- a/helppage.cpp
+++ b/helppage.cpp
@@ -33,11 +33,49 @@ HelpPage::HelpPage(const QString path, QWidget *parent) :
     setLayout(mainLayout);
     //setAttribute(Qt::WA_DeleteOnClose);
     //browser->setSource(QUrl::fromLocalFile(path));
-    browser->setSource(QUrl(path));
+
+    connect(browser, SIGNAL(anchorClicked(QUrl)), this, SLOT(openUrl(QUrl)));
+    browser->setOpenLinks(false);
+    browser->setSource(localizedHelp(QUrl(path)));
     browser->setFocus();
 
 }
 
+void HelpPage::openUrl(QUrl url) {
+     browser->setSource(localizedHelp(url));
+};
+
+/**
+ * @brief HelpPage::localizedHelp
+ * check if the requested file is also available with the locale,
+ * e.g. return index.de.html if index.html was requested but the
+ * locale is de and index.de.html is available
+ * @param url
+ * @return
+ */
+QUrl HelpPage::localizedHelp(QUrl url) {
+    QString path = url.toLocalFile();
+    QString filename = path.mid(path.lastIndexOf("/") + 1 );
+    QString filepath = path.left(path.lastIndexOf("/") + 1 );
+    QStringList fileparts = filename.split(".");
+
+    //QSettings settings;
+    QString lang = QSettings().value("int/lang", QLocale::system().name()).toString();
+    if (lang.isEmpty()) {
+        lang = QLocale::system().name();
+    }
+
+    fileparts.insert(1,lang);
+    QString langfile = filepath + fileparts.join(".");
+
+    if(QFile(QUrl(langfile).toLocalFile()).exists()) {
+        return langfile;
+    } else {
+        return path;
+    }
+
+}
+
 QTextBrowser* HelpPage::getBrowser() {
     return browser;
 }
diff --git a/helppage.h b/helppage.h
index 62678d9..8797b3b 100644
--- a/helppage.h
+++ b/helppage.h
@@ -25,6 +25,9 @@
 #include <QWidget>
 #include <QTextBrowser>
 #include <QVBoxLayout>
+#include <QSettings>
+#include <QFile>
+#include <QLocale>
 
 class HelpPage : public QWidget
 {
@@ -36,9 +39,11 @@ public:
 signals:
 
 public slots:
+    void openUrl(QUrl url);
 
 private:
     QTextBrowser *browser; /** The textbrowser of the tab */
+    QUrl localizedHelp(QUrl path);
 
 };