combine get wf plot info to get chan plot info

closes #112 (closed)

• combine get wf plot info to get chan plot info
• in DB change DS? to SEISMIC

UPDATE Channels SET name=‘SEISMIC’ WHERE param=‘Seismic data’ and dataType=‘RT130’

sohstationviewer/view/plotting/plotting_widget/multi_threaded_plotting_widget.py

 # Define functions to call processor
 
-from typing import Tuple, Union, Dict, Callable, List, Optional
+from typing import Tuple, Union, Dict, List
 
 from PySide2 import QtCore
 
@@ -105,20 +105,17 @@ class MultiThreadedPlottingWidget(PlottingWidget):
             return True
 
     def create_plotting_channel_processors(
-            self, plotting_data: Dict,
-            get_plot_info: Optional[Callable[[str, Dict, str], Dict]]) -> None:
+            self, plotting_data: Dict, need_db_info: bool = False) -> None:
         """
         Create a data processor for each channel data.
 
         :param plotting_data: dict of data by chan_id
-        :param get_plot_info: function to get plotting info from database
+        :param need_db_info: flag to get db info
         """
         for chan_id in plotting_data:
-            if get_plot_info is not None:
-                chan_db_info = get_plot_info(chan_id,
-                                             plotting_data[chan_id],
-                                             self.parent.data_type,
-                                             self.c_mode)
+            if need_db_info:
+                chan_db_info = get_chan_plot_info(
+                    chan_id, self.parent.data_type, self.c_mode)
                 if chan_db_info['height'] == 0:
                     # not draw
                     continue
@@ -196,16 +193,10 @@ class MultiThreadedPlottingWidget(PlottingWidget):
                 self.clean_up()
                 self.finished.emit()
                 return
-            self.create_plotting_channel_processors(
-                self.plotting_data1, self.get_plot_info)
-            self.create_plotting_channel_processors(
-                self.plotting_data2, get_chan_plot_info)
+            self.create_plotting_channel_processors(self.plotting_data1, True)
+            self.create_plotting_channel_processors(self.plotting_data2, True)
             self.process_channel()
 
-    def get_plot_info(self, *args, **kwargs):
-        # function to get database info for channels in self.plotting_data1
-        pass
-
     @QtCore.Slot()
     def process_channel(self, channel_data=None, channel_id=None):
         """
@@ -347,6 +338,6 @@ class MultiThreadedPlottingWidget(PlottingWidget):
             self.is_working = True
             start_msg = 'Zooming in...'
             display_tracking_info(self.tracking_box, start_msg, 'info')
-            self.create_plotting_channel_processors(self.plotting_data1, None)
-            self.create_plotting_channel_processors(self.plotting_data2, None)
+            self.create_plotting_channel_processors(self.plotting_data1)
+            self.create_plotting_channel_processors(self.plotting_data2)
             self.process_channel()