[Kst] branches/work/kst/portto4/kst/src/libkst

[Mike Fenton]

SVN commit 891339 by fenton:

Add static validDataSource based on file check.


 M  +18 -0     datasource.cpp  
 M  +1 -0      datasource.h  


--- branches/work/kst/portto4/kst/src/libkst/datasource.cpp #891338:891339
@@ -258,8 +258,26 @@
 }
 
 
+bool DataSource::validSource(const QString& filename) {
+#ifndef Q_WS_WIN32
+  if (filename == "stdin" || filename == "-") {
+    return true;
+  }
+#endif
+  QString fn = obtainFile(filename);
+  if (fn.isEmpty()) {
+    return false;
+  }
 
+  // Use a local version of the store, we don't want to save this.
+  ObjectStore store;
+  if (DataSourcePtr dataSource = findPluginFor(&store, fn, QString::null)) {
+    return true;
+  }
+  return false;
+}
 
+
 bool DataSource::hasConfigWidget() const {
   return sourceHasConfigWidget(_filename, fileType());
 }
--- branches/work/kst/portto4/kst/src/libkst/datasource.h #891338:891339
@@ -71,6 +71,7 @@
     static SharedPtr<DataSource> loadSource(ObjectStore *store, const QString& filename, const QString& type = QString::null);
     static SharedPtr<DataSource> loadSource(ObjectStore *store, QDomElement& e);
     static SharedPtr<DataSource> findOrLoadSource(ObjectStore *store, const QString& filename);
+    static bool validSource(const QString& filename);
 
     static bool sourceHasConfigWidget(const QString& filename, const QString& type = QString());
     static DataSourceConfigWidget *configWidgetForSource(const QString& filename, const QString& type = QString());