Implement file search

Clear found files list on clear button pressed

Make found files header bold

Enable clearing of search box with button click

Add tool tip to search box

Filter data sets on pressing Enter

Add function to filter directories

Closes #10 (closed)

sohstationviewer/view/ui/main_ui.py

@@ -398,6 +398,7 @@ class UIMainWindow(object):
         self.search_line_edit.setPlaceholderText('Search...')
         self.search_line_edit.setToolTip('Filter the list of files based on '
                                          'the content.')
+        self.search_line_edit.textChanged.connect(self.main_window.filter_folder_list)
         self.search_line_edit.setClearButtonEnabled(True)
         try:
             # This value was obtained from the C++ source of QT. We use it here