Moved info messages to separate file in utils

Updated `utils.info` and its calls accordingly
Added info for Filtering section

src/funki/pages/clustering.py

@@ -9,6 +9,7 @@
 
 from utils import serial_to_dataset
 from utils import dataset_to_serial
+from utils import info
 from utils.style import tab_style
 from utils.style import tab_selected_style
 from utils.style import page_style

src/funki/pages/data.py

@@ -35,12 +35,7 @@
                     html.Div(
                         children=[
                             'Please upload your data file here:',
-                            info(
-                                'Please provide a table where rows are '
-                                'observations (e.g. samples, cells...) and '
-                                'columns are variables (e.g. genes, '
-                                'proteins...)'
-                            )
+                            info('upload-data')
                         ]
                     ),
                     dcc.Upload(
@@ -100,12 +95,7 @@
                     html.Div(
                         children=[
                             'Please upload your annotation file here:',
-                            info(
-                                'Please provide a table where rows are '
-                                'observations (e.g. samples, cells...) and '
-                                'columns are annotation variables (e.g. sample '
-                                'names, condition, cell type...)'
-                            )
+                            info('upload-obs')
                         ]
                     ),
                     dcc.Upload(

src/funki/pages/norm.py

@@ -8,6 +8,7 @@
 
 from utils import serial_to_dataset
 from utils import dataset_to_serial
+from utils import info
 from utils.style import tab_style
 from utils.style import tab_selected_style
 from utils.style import page_style
@@ -27,7 +28,12 @@
             html.Br(),
             html.Div(
                 children=[
-                    html.H3('Choose filters:'),
+                    html.H3(
+                        children=[
+                            'Choose filters:',
+                            info('filters')
+                        ]
+                    ),
                     '- Max. genes per cell: ',
                     dcc.Input(
                         id='max-genes',

src/funki/utils/info_msg.py

@@ -0,0 +1,19 @@
+msg = {
+    'upload-data': (
+        'Please provide a table where rows are observations (e.g. samples, '
+        'cells...) and columns are variables (e.g. genes, proteins...)'
+    ),
+    'upload-obs': (
+        'Please provide a table where rows are observations (e.g. samples, '
+        'cells...) and columns are annotation variables (e.g. sample  names, '
+        'condition, cell type...)'
+    ),
+    'filters': ('Choosing proper filtering parameters is a highly context-'
+               'dependent task. Depending on the experimental set up, these '
+               'filters can vary a lot. A proper choice requires some '
+               'expertise and/or some trial and error. Therefore, feel free to '
+               'play with the parameters and observe the resulting '
+               'distribution of your data with the help of the plots below. A '
+               'good strategy is to start with lax thresholds and move up to '
+               'more astringent ones'),
+}

src/funki/utils/utils.py

@@ -7,6 +7,7 @@
 from dash import html
 
 from funki.input import DataSet
+from .info_msg import msg
 
 
 def parse_contents(content, filename):
@@ -123,10 +124,10 @@ def parse_types(df):
 
     return pd.DataFrame(result)
 
-def info(msg):
+def info(key):
     return html.Abbr(
         '\u2753',
-        title=msg,
+        title=msg[key] if key in msg.keys() else None,
         style={
             'text-decoration': 'none',
             'font-size': 12,