UTI: Add Download for iterative data.
[csit.git] / resources / tools / dash / app / pal / trending / layout.py
index b5286a0..2be19f8 100644 (file)
@@ -14,6 +14,7 @@
 """Plotly Dash HTML layout override.
 """
 
+import logging
 import pandas as pd
 import dash_bootstrap_components as dbc
 
@@ -27,63 +28,56 @@ from yaml import load, FullLoader, YAMLError
 from datetime import datetime, timedelta
 from copy import deepcopy
 from json import loads, JSONDecodeError
+from ast import literal_eval
 
+from ..utils.constants import Constants as C
+from ..utils.utils import show_tooltip, label, sync_checklists, list_tests, \
+    get_date, gen_new_url
+from ..utils.url_processing import url_decode
 from ..data.data import Data
 from .graphs import graph_trending, graph_hdrh_latency, \
     select_trending_data
 
 
 class Layout:
-    """
+    """The layout of the dash app and the callbacks.
     """
 
-    STYLE_DISABLED = {"display": "none"}
-    STYLE_ENABLED = {"display": "inherit"}
-
-    CL_ALL_DISABLED = [{
-        "label": "All",
-        "value": "all",
-        "disabled": True
-    }]
-    CL_ALL_ENABLED = [{
-        "label": "All",
-        "value": "all",
-        "disabled": False
-    }]
-
-    PLACEHOLDER = html.Nobr("")
-
-    DRIVERS = ("avf", "af-xdp", "rdma", "dpdk")
-
-    LABELS = {
-        "dpdk": "DPDK",
-        "container_memif": "LXC/DRC Container Memif",
-        "crypto": "IPSec IPv4 Routing",
-        "ip4": "IPv4 Routing",
-        "ip6": "IPv6 Routing",
-        "ip4_tunnels": "IPv4 Tunnels",
-        "l2": "L2 Ethernet Switching",
-        "srv6": "SRv6 Routing",
-        "vm_vhost": "VMs vhost-user",
-        "nfv_density-dcr_memif-chain_ipsec": "CNF Service Chains Routing IPSec",
-        "nfv_density-vm_vhost-chain_dot1qip4vxlan":"VNF Service Chains Tunnels",
-        "nfv_density-vm_vhost-chain": "VNF Service Chains Routing",
-        "nfv_density-dcr_memif-pipeline": "CNF Service Pipelines Routing",
-        "nfv_density-dcr_memif-chain": "CNF Service Chains Routing",
-    }
-
-    def __init__(self, app: Flask, html_layout_file: str, spec_file: str,
-        graph_layout_file: str, data_spec_file: str,
+    def __init__(self, app: Flask, html_layout_file: str,
+        graph_layout_file: str, data_spec_file: str, tooltip_file: str,
         time_period: str=None) -> None:
-        """
+        """Initialization:
+        - save the input parameters,
+        - read and pre-process the data,
+        - prepare data for the control panel,
+        - read HTML layout file,
+        - read tooltips from the tooltip file.
+
+        :param app: Flask application running the dash application.
+        :param html_layout_file: Path and name of the file specifying the HTML
+            layout of the dash application.
+        :param graph_layout_file: Path and name of the file with layout of
+            plot.ly graphs.
+        :param data_spec_file: Path and name of the file specifying the data to
+            be read from parquets for this application.
+        :param tooltip_file: Path and name of the yaml file specifying the
+            tooltips.
+        :param time_period: It defines the time period for data read from the
+            parquets in days from now back to the past.
+        :type app: Flask
+        :type html_layout_file: str
+        :type graph_layout_file: str
+        :type data_spec_file: str
+        :type tooltip_file: str
+        :type time_period: int
         """
 
         # Inputs
         self._app = app
         self._html_layout_file = html_layout_file
-        self._spec_file = spec_file
         self._graph_layout_file = graph_layout_file
         self._data_spec_file = data_spec_file
+        self._tooltip_file = tooltip_file
         self._time_period = time_period
 
         # Read the data:
@@ -122,7 +116,7 @@ class Layout:
                 replace("2n-", "")
             test = lst_test[-1]
             nic = suite.split("-")[0]
-            for drv in self.DRIVERS:
+            for drv in C.DRIVERS:
                 if drv in test:
                     if drv == "af-xdp":
                         driver = "af_xdp"
@@ -135,7 +129,7 @@ class Layout:
             infra = "-".join((tbed, nic, driver))
             lst_test = test.split("-")
             framesize = lst_test[0]
-            core = lst_test[1] if lst_test[1] else "1C"
+            core = lst_test[1] if lst_test[1] else "8C"
             test = "-".join(lst_test[2: -1])
 
             if tbs.get(dut, None) is None:
@@ -167,6 +161,7 @@ class Layout:
         # Read from files:
         self._html_layout = ""
         self._graph_layout = None
+        self._tooltips = dict()
 
         try:
             with open(self._html_layout_file, "r") as file_read:
@@ -187,8 +182,20 @@ class Layout:
         except YAMLError as err:
             raise RuntimeError(
                 f"An error occurred while parsing the specification file "
-                f"{self._graph_layout_file}\n"
-                f"{err}"
+                f"{self._graph_layout_file}\n{err}"
+            )
+
+        try:
+            with open(self._tooltip_file, "r") as file_read:
+                self._tooltips = load(file_read, Loader=FullLoader)
+        except IOError as err:
+            logging.warning(
+                f"Not possible to open the file {self._tooltip_file}\n{err}"
+            )
+        except YAMLError as err:
+            logging.warning(
+                f"An error occurred while parsing the specification file "
+                f"{self._tooltip_file}\n{err}"
             )
 
         # Callbacks:
@@ -215,12 +222,20 @@ class Layout:
     def time_period(self):
         return self._time_period
 
-    def label(self, key: str) -> str:
-        return self.LABELS.get(key, key)
-
     def add_content(self):
+        """Top level method which generated the web page.
+
+        It generates:
+        - Store for user input data,
+        - Navigation bar,
+        - Main area with control panel and ploting area.
+
+        If no HTML layout is provided, an error message is displayed instead.
+
+        :returns: The HTML div with the whole page.
+        :rtype: html.Div
         """
-        """
+
         if self.html_layout and self.spec_tbs:
             return html.Div(
                 id="div-main",
@@ -249,12 +264,9 @@ class Layout:
                         id="row-main",
                         class_name="g-0",
                         children=[
-                            dcc.Store(
-                                id="selected-tests"
-                            ),
-                            dcc.Store(
-                                id="control-panel"
-                            ),
+                            dcc.Store(id="selected-tests"),
+                            dcc.Store(id="control-panel"),
+                            dcc.Location(id="url", refresh=False),
                             self._add_ctrl_col(),
                             self._add_plotting_col(),
                         ]
@@ -276,6 +288,9 @@ class Layout:
 
     def _add_navbar(self):
         """Add nav element with navigation panel. It is placed on the top.
+
+        :returns: Navigation bar.
+        :rtype: dbc.NavbarSimple
         """
         return dbc.NavbarSimple(
             id="navbarsimple-main",
@@ -298,6 +313,9 @@ class Layout:
 
     def _add_ctrl_col(self) -> dbc.Col:
         """Add column with controls. It is placed on the left side.
+
+        :returns: Column with the control panel.
+        :rtype: dbc.Col
         """
         return dbc.Col(
             id="col-controls",
@@ -308,6 +326,9 @@ class Layout:
 
     def _add_plotting_col(self) -> dbc.Col:
         """Add column with plots and tables. It is placed on the right side.
+
+        :returns: Column with tables.
+        :rtype: dbc.Col
         """
         return dbc.Col(
             id="col-plotting-area",
@@ -318,21 +339,21 @@ class Layout:
                             id="row-graph-tput",
                             class_name="g-0 p-2",
                             children=[
-                                self.PLACEHOLDER
+                                C.PLACEHOLDER
                             ]
                         ),
                         dbc.Row(  # Latency
                             id="row-graph-lat",
                             class_name="g-0 p-2",
                             children=[
-                                self.PLACEHOLDER
+                                C.PLACEHOLDER
                             ]
                         ),
                         dbc.Row(  # Download
                             id="row-btn-download",
                             class_name="g-0 p-2",
                             children=[
-                                self.PLACEHOLDER
+                                C.PLACEHOLDER
                             ]
                         )
                     ]
@@ -342,7 +363,10 @@ class Layout:
         )
 
     def _add_ctrl_panel(self) -> dbc.Row:
-        """
+        """Add control panel.
+
+        :returns: Control panel.
+        :rtype: dbc.Row
         """
         return dbc.Row(
             id="row-ctrl-panel",
@@ -353,7 +377,10 @@ class Layout:
                     children=[
                         dbc.InputGroup(
                             [
-                                dbc.InputGroupText("DUT"),
+                                dbc.InputGroupText(
+                                    children=show_tooltip(self._tooltips,
+                                        "help-dut", "DUT")
+                                ),
                                 dbc.Select(
                                     id="dd-ctrl-dut",
                                     placeholder=(
@@ -378,7 +405,10 @@ class Layout:
                     children=[
                         dbc.InputGroup(
                             [
-                                dbc.InputGroupText("Infra"),
+                                dbc.InputGroupText(
+                                    children=show_tooltip(self._tooltips,
+                                        "help-infra", "Infra")
+                                ),
                                 dbc.Select(
                                     id="dd-ctrl-phy",
                                     placeholder=(
@@ -397,7 +427,10 @@ class Layout:
                     children=[
                         dbc.InputGroup(
                             [
-                                dbc.InputGroupText("Area"),
+                                dbc.InputGroupText(
+                                    children=show_tooltip(self._tooltips,
+                                        "help-area", "Area")
+                                ),
                                 dbc.Select(
                                     id="dd-ctrl-area",
                                     placeholder="Select an Area...",
@@ -414,7 +447,10 @@ class Layout:
                     children=[
                         dbc.InputGroup(
                             [
-                                dbc.InputGroupText("Test"),
+                                dbc.InputGroupText(
+                                    children=show_tooltip(self._tooltips,
+                                        "help-test", "Test")
+                                ),
                                 dbc.Select(
                                     id="dd-ctrl-test",
                                     placeholder="Select a Test...",
@@ -427,28 +463,29 @@ class Layout:
                     ]
                 ),
                 dbc.Row(
-                    id="row-ctrl-core",
+                    id="row-ctrl-framesize",
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            "Number of Cores",
+                            children=show_tooltip(self._tooltips,
+                                "help-framesize", "Frame Size"),
                             class_name="p-0"
                         ),
                         dbc.Col(
                             children=[
                                 dbc.Checklist(
-                                    id="cl-ctrl-core-all",
-                                    options=self.CL_ALL_DISABLED,
-                                    inline=False,
+                                    id="cl-ctrl-framesize-all",
+                                    options=C.CL_ALL_DISABLED,
+                                    inline=True,
                                     switch=False
-                                )
+                                ),
                             ],
                             width=3
                         ),
                         dbc.Col(
                             children=[
                                 dbc.Checklist(
-                                    id="cl-ctrl-core",
+                                    id="cl-ctrl-framesize",
                                     inline=True,
                                     switch=False
                                 )
@@ -457,28 +494,29 @@ class Layout:
                     ]
                 ),
                 dbc.Row(
-                    id="row-ctrl-framesize",
+                    id="row-ctrl-core",
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            "Frame Size",
+                            children=show_tooltip(self._tooltips,
+                                "help-cores", "Number of Cores"),
                             class_name="p-0"
                         ),
                         dbc.Col(
                             children=[
                                 dbc.Checklist(
-                                    id="cl-ctrl-framesize-all",
-                                    options=self.CL_ALL_DISABLED,
-                                    inline=True,
+                                    id="cl-ctrl-core-all",
+                                    options=C.CL_ALL_DISABLED,
+                                    inline=False,
                                     switch=False
-                                ),
+                                )
                             ],
                             width=3
                         ),
                         dbc.Col(
                             children=[
                                 dbc.Checklist(
-                                    id="cl-ctrl-framesize",
+                                    id="cl-ctrl-core",
                                     inline=True,
                                     switch=False
                                 )
@@ -491,14 +529,15 @@ class Layout:
                     class_name="gy-1",
                     children=[
                         dbc.Label(
-                            "Test Type",
+                            children=show_tooltip(self._tooltips,
+                                "help-ttype", "Test Type"),
                             class_name="p-0"
                         ),
                         dbc.Col(
                             children=[
                                 dbc.Checklist(
                                     id="cl-ctrl-testtype-all",
-                                    options=self.CL_ALL_DISABLED,
+                                    options=C.CL_ALL_DISABLED,
                                     inline=True,
                                     switch=False
                                 ),
@@ -516,6 +555,34 @@ class Layout:
                         )
                     ]
                 ),
+                dbc.Row(
+                    id="row-ctrl-normalize",
+                    class_name="gy-1",
+                    children=[
+                        dbc.Label(
+                            children=show_tooltip(self._tooltips,
+                                "help-normalize", "Normalize"),
+                            class_name="p-0"
+                        ),
+                        dbc.Col(
+                            children=[
+                                dbc.Checklist(
+                                    id="cl-ctrl-normalize",
+                                    options=[{
+                                        "value": "normalize",
+                                        "label": (
+                                            "Normalize results to CPU"
+                                            "frequency 2GHz"
+                                        )
+                                    }],
+                                    value=[],
+                                    inline=True,
+                                    switch=False
+                                ),
+                            ]
+                        )
+                    ]
+                ),
                 dbc.Row(
                     class_name="gy-1 p-0",
                     children=[
@@ -535,6 +602,11 @@ class Layout:
                 dbc.Row(
                     class_name="gy-1",
                     children=[
+                        dbc.Label(
+                            class_name="gy-1",
+                            children=show_tooltip(self._tooltips,
+                                "help-time-period", "Time Period"),
+                        ),
                         dcc.DatePickerRange(
                             id="dpr-period",
                             className="d-flex justify-content-center",
@@ -547,14 +619,14 @@ class Layout:
                                 datetime.utcnow() - timedelta(
                                     days=self.time_period),
                             end_date=datetime.utcnow(),
-                            display_format="D MMMM YY"
+                            display_format="D MMM YY"
                         )
                     ]
                 ),
                 dbc.Row(
                     id="row-card-sel-tests",
                     class_name="gy-1",
-                    style=self.STYLE_DISABLED,
+                    style=C.STYLE_DISABLED,
                     children=[
                         dbc.Label(
                             "Selected tests",
@@ -571,7 +643,7 @@ class Layout:
                 ),
                 dbc.Row(
                     id="row-btns-sel-tests",
-                    style=self.STYLE_DISABLED,
+                    style=C.STYLE_DISABLED,
                     children=[
                         dbc.ButtonGroup(
                             class_name="gy-2",
@@ -599,13 +671,19 @@ class Layout:
         )
 
     class ControlPanel:
-        def __init__(self, panel: dict) -> None:
+        """A class representing the control panel.
+        """
 
-            CL_ALL_DISABLED = [{
-                "label": "All",
-                "value": "all",
-                "disabled": True
-            }]
+        def __init__(self, panel: dict) -> None:
+            """Initialisation of the control pannel by default values. If
+            particular values are provided (parameter "panel") they are set
+            afterwards.
+
+            :param panel: Custom values to be set to the control panel.
+            :param default: Default values to be set to the control panel.
+            :type panel: dict
+            :type defaults: dict
+            """
 
             # Defines also the order of keys
             self._defaults = {
@@ -622,16 +700,17 @@ class Layout:
                 "cl-ctrl-core-options": list(),
                 "cl-ctrl-core-value": list(),
                 "cl-ctrl-core-all-value": list(),
-                "cl-ctrl-core-all-options": CL_ALL_DISABLED,
+                "cl-ctrl-core-all-options": C.CL_ALL_DISABLED,
                 "cl-ctrl-framesize-options": list(),
                 "cl-ctrl-framesize-value": list(),
                 "cl-ctrl-framesize-all-value": list(),
-                "cl-ctrl-framesize-all-options": CL_ALL_DISABLED,
+                "cl-ctrl-framesize-all-options": C.CL_ALL_DISABLED,
                 "cl-ctrl-testtype-options": list(),
                 "cl-ctrl-testtype-value": list(),
                 "cl-ctrl-testtype-all-value": list(),
-                "cl-ctrl-testtype-all-options": CL_ALL_DISABLED,
+                "cl-ctrl-testtype-all-options": C.CL_ALL_DISABLED,
                 "btn-ctrl-add-disabled": True,
+                "cl-normalize-value": list(),
                 "cl-selected-options": list(),
             }
 
@@ -649,6 +728,13 @@ class Layout:
             return self._panel
 
         def set(self, kwargs: dict) -> None:
+            """Set the values of the Control panel.
+
+            :param kwargs: key - value pairs to be set.
+            :type kwargs: dict
+            :raises KeyError: If the key in kwargs is not present in the Control
+                panel.
+            """
             for key, val in kwargs.items():
                 if key in self._panel:
                     self._panel[key] = val
@@ -656,42 +742,49 @@ class Layout:
                     raise KeyError(f"The key {key} is not defined.")
 
         def get(self, key: str) -> any:
+            """Returns the value of a key from the Control panel.
+
+            :param key: The key which value should be returned.
+            :type key: str
+            :returns: The value of the key.
+            :rtype: any
+            :raises KeyError: If the key in kwargs is not present in the Control
+                panel.
+            """
             return self._panel[key]
 
         def values(self) -> tuple:
+            """Returns the values from the Control panel as a list.
+
+            :returns: The values from the Control panel.
+            :rtype: list
+            """
             return tuple(self._panel.values())
 
-    @staticmethod
-    def _sync_checklists(opt: list, sel: list, all: list, id: str) -> tuple:
-        """
-        """
-        options = {v["value"] for v in opt}
-        if id =="all":
-            sel = list(options) if all else list()
-        else:
-            all = ["all", ] if set(sel) == options else list()
-        return sel, all
+    def callbacks(self, app):
+        """Callbacks for the whole application.
 
-    @staticmethod
-    def _list_tests(selection: dict) -> list:
-        """Display selected tests with checkboxes
+        :param app: The application.
+        :type app: Flask
         """
-        if selection:
-            return [{"label": v["id"], "value": v["id"]} for v in selection]
-        else:
-            return list()
 
-    def callbacks(self, app):
+        def _generate_plotting_area(figs: tuple, url: str) -> tuple:
+            """Generate the plotting area with all its content.
 
-        def _generate_plotting_arrea(args: tuple) -> tuple:
-            """
+            :param figs: Figures to be placed in the plotting area.
+            :param utl: The URL to be placed in the plotting area bellow the
+                tables.
+            :type figs: tuple of plotly.graph_objects.Figure
+            :type url: str
+            :returns: tuple of elements to be shown in the plotting area.
+            :rtype: tuple(dcc.Graph, dcc.Graph, list(dbc.Col, dbc.Col))
             """
 
-            (fig_tput, fig_lat) = args
+            (fig_tput, fig_lat) = figs
 
-            row_fig_tput = self.PLACEHOLDER
-            row_fig_lat = self.PLACEHOLDER
-            row_btn_dwnld = self.PLACEHOLDER
+            row_fig_tput = C.PLACEHOLDER
+            row_fig_lat = C.PLACEHOLDER
+            row_btn_dwnld = C.PLACEHOLDER
 
             if fig_tput:
                 row_fig_tput = [
@@ -701,15 +794,43 @@ class Layout:
                     )
                 ]
                 row_btn_dwnld = [
-                    dcc.Loading(children=[
-                        dbc.Button(
-                            id="btn-download-data",
-                            children=["Download Data"],
-                            class_name="me-1",
-                            color="info"
-                        ),
-                        dcc.Download(id="download-data")
-                    ]),
+                    dbc.Col(  # Download
+                        width=2,
+                        children=[
+                            dcc.Loading(children=[
+                                dbc.Button(
+                                    id="btn-download-data",
+                                    children=show_tooltip(self._tooltips,
+                                        "help-download", "Download Data"),
+                                    class_name="me-1",
+                                    color="info"
+                                ),
+                                dcc.Download(id="download-data")
+                            ]),
+                        ]
+                    ),
+                    dbc.Col(  # Show URL
+                        width=10,
+                        children=[
+                            dbc.InputGroup(
+                                class_name="me-1",
+                                children=[
+                                    dbc.InputGroupText(
+                                        style=C.URL_STYLE,
+                                        children=show_tooltip(self._tooltips,
+                                            "help-url", "URL", "input-url")
+                                    ),
+                                    dbc.Input(
+                                        id="input-url",
+                                        readonly=True,
+                                        type="url",
+                                        style=C.URL_STYLE,
+                                        value=url
+                                    )
+                                ]
+                            )
+                        ]
+                    )
                 ]
             if fig_lat:
                 row_fig_lat = [
@@ -752,6 +873,7 @@ class Layout:
             Output("cl-ctrl-testtype-all", "value"),
             Output("cl-ctrl-testtype-all", "options"),
             Output("btn-ctrl-add", "disabled"),
+            Output("cl-ctrl-normalize", "value"),
             Output("cl-selected", "options"),  # User selection
             State("control-panel", "data"),  # Store
             State("selected-tests", "data"),  # Store
@@ -766,24 +888,76 @@ class Layout:
             Input("cl-ctrl-framesize-all", "value"),
             Input("cl-ctrl-testtype", "value"),
             Input("cl-ctrl-testtype-all", "value"),
+            Input("cl-ctrl-normalize", "value"),
             Input("btn-ctrl-add", "n_clicks"),
             Input("dpr-period", "start_date"),
             Input("dpr-period", "end_date"),
             Input("btn-sel-remove", "n_clicks"),
             Input("btn-sel-remove-all", "n_clicks"),
+            Input("url", "href")
         )
         def _update_ctrl_panel(cp_data: dict, store_sel: list, list_sel: list,
             dd_dut: str, dd_phy: str, dd_area: str, dd_test: str, cl_core: list,
             cl_core_all: list, cl_framesize: list, cl_framesize_all: list,
-            cl_testtype: list, cl_testtype_all: list, btn_add: int,
-            d_start: str, d_end: str, btn_remove: int,
-            btn_remove_all: int) -> tuple:
-            """
+            cl_testtype: list, cl_testtype_all: list, cl_normalize: list,
+            btn_add: int, d_start: str, d_end: str, btn_remove: int,
+            btn_remove_all: int, href: str) -> tuple:
+            """Update the application when the event is detected.
+
+            :param cp_data: Current status of the control panel stored in
+                browser.
+            :param store_sel: List of tests selected by user stored in the
+                browser.
+            :param list_sel: List of tests selected by the user shown in the
+                checklist.
+            :param dd_dut: Input - DUTs.
+            :param dd_phy: Input - topo- arch-nic-driver.
+            :param dd_area: Input - Tested area.
+            :param dd_test: Input - Test.
+            :param cl_core: Input - Number of cores.
+            :param cl_core_all: Input - All numbers of cores.
+            :param cl_framesize: Input - Frame sizes.
+            :param cl_framesize_all: Input - All frame sizes.
+            :param cl_testtype: Input - Test type (NDR, PDR, MRR).
+            :param cl_testtype_all: Input - All test types.
+            :param cl_normalize: Input - Normalize the results.
+            :param btn_add: Input - Button "Add Selected" tests.
+            :param d_start: Date and time where the data processing starts.
+            :param d_end: Date and time where the data processing ends.
+            :param btn_remove: Input - Button "Remove selected" tests.
+            :param btn_remove_all: Input - Button "Remove All" tests.
+            :param href: Input - The URL provided by the browser.
+            :type cp_data: dict
+            :type store_sel: list
+            :type list_sel: list
+            :type dd_dut: str
+            :type dd_phy: str
+            :type dd_area: str
+            :type dd_test: str
+            :type cl_core: list
+            :type cl_core_all: list
+            :type cl_framesize: list
+            :type cl_framesize_all: list
+            :type cl_testtype: list
+            :type cl_testtype_all: list
+            :type cl_normalize: list
+            :type btn_add: int
+            :type d_start: str
+            :type d_end: str
+            :type btn_remove: int
+            :type btn_remove_all: int
+            :type href: str
+            :returns: New values for web page elements.
+            :rtype: tuple
             """
 
-            d_start = datetime(int(d_start[0:4]), int(d_start[5:7]),
-                int(d_start[8:10]))
-            d_end = datetime(int(d_end[0:4]), int(d_end[5:7]), int(d_end[8:10]))
+            ctrl_panel = self.ControlPanel(cp_data)
+
+            d_start = get_date(d_start)
+            d_end = get_date(d_end)
+
+            # Parse the url:
+            parsed_url = url_decode(href)
 
             row_fig_tput = no_update
             row_fig_lat = no_update
@@ -791,17 +965,13 @@ class Layout:
             row_card_sel_tests = no_update
             row_btns_sel_tests = no_update
 
-            ctrl_panel = self.ControlPanel(cp_data)
-
             trigger_id = callback_context.triggered[0]["prop_id"].split(".")[0]
 
             if trigger_id == "dd-ctrl-dut":
                 try:
+                    dut = self.spec_tbs[dd_dut]
                     options = sorted(
-                        [
-                            {"label": v, "value": v}
-                                for v in self.spec_tbs[dd_dut].keys()
-                        ],
+                        [{"label": v, "value": v}for v in dut.keys()],
                         key=lambda d: d["label"]
                     )
                     disabled = False
@@ -816,29 +986,28 @@ class Layout:
                     "dd-ctrl-area-value": str(),
                     "dd-ctrl-area-options": list(),
                     "dd-ctrl-area-disabled": True,
+                    "dd-ctrl-test-value": str(),
                     "dd-ctrl-test-options": list(),
                     "dd-ctrl-test-disabled": True,
                     "cl-ctrl-core-options": list(),
                     "cl-ctrl-core-value": list(),
                     "cl-ctrl-core-all-value": list(),
-                    "cl-ctrl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-framesize-options": list(),
                     "cl-ctrl-framesize-value": list(),
                     "cl-ctrl-framesize-all-value": list(),
-                    "cl-ctrl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-testtype-options": list(),
                     "cl-ctrl-testtype-value": list(),
                     "cl-ctrl-testtype-all-value": list(),
-                    "cl-ctrl-testtype-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-testtype-all-options": C.CL_ALL_DISABLED,
                 })
-            if trigger_id == "dd-ctrl-phy":
+            elif trigger_id == "dd-ctrl-phy":
                 try:
                     dut = ctrl_panel.get("dd-ctrl-dut-value")
+                    phy = self.spec_tbs[dut][dd_phy]
                     options = sorted(
-                        [
-                            {"label": self.label(v), "value": v}
-                                for v in self.spec_tbs[dut][dd_phy].keys()
-                        ],
+                        [{"label": label(v), "value": v} for v in phy.keys()],
                         key=lambda d: d["label"]
                     )
                     disabled = False
@@ -850,30 +1019,29 @@ class Layout:
                     "dd-ctrl-area-value": str(),
                     "dd-ctrl-area-options": options,
                     "dd-ctrl-area-disabled": disabled,
+                    "dd-ctrl-test-value": str(),
                     "dd-ctrl-test-options": list(),
                     "dd-ctrl-test-disabled": True,
                     "cl-ctrl-core-options": list(),
                     "cl-ctrl-core-value": list(),
                     "cl-ctrl-core-all-value": list(),
-                    "cl-ctrl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-framesize-options": list(),
                     "cl-ctrl-framesize-value": list(),
                     "cl-ctrl-framesize-all-value": list(),
-                    "cl-ctrl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-testtype-options": list(),
                     "cl-ctrl-testtype-value": list(),
                     "cl-ctrl-testtype-all-value": list(),
-                    "cl-ctrl-testtype-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-testtype-all-options": C.CL_ALL_DISABLED,
                 })
             elif trigger_id == "dd-ctrl-area":
                 try:
                     dut = ctrl_panel.get("dd-ctrl-dut-value")
                     phy = ctrl_panel.get("dd-ctrl-phy-value")
+                    area = self.spec_tbs[dut][phy][dd_area]
                     options = sorted(
-                        [
-                            {"label": v, "value": v}
-                                for v in self.spec_tbs[dut][phy][dd_area].keys()
-                        ],
+                        [{"label": v, "value": v} for v in area.keys()],
                         key=lambda d: d["label"]
                     )
                     disabled = False
@@ -888,15 +1056,15 @@ class Layout:
                     "cl-ctrl-core-options": list(),
                     "cl-ctrl-core-value": list(),
                     "cl-ctrl-core-all-value": list(),
-                    "cl-ctrl-core-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-core-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-framesize-options": list(),
                     "cl-ctrl-framesize-value": list(),
                     "cl-ctrl-framesize-all-value": list(),
-                    "cl-ctrl-framesize-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-framesize-all-options": C.CL_ALL_DISABLED,
                     "cl-ctrl-testtype-options": list(),
                     "cl-ctrl-testtype-value": list(),
                     "cl-ctrl-testtype-all-value": list(),
-                    "cl-ctrl-testtype-all-options": self.CL_ALL_DISABLED,
+                    "cl-ctrl-testtype-all-options": C.CL_ALL_DISABLED,
                 })
             elif trigger_id == "dd-ctrl-test":
                 core_opts = list()
@@ -905,37 +1073,35 @@ class Layout:
                 dut = ctrl_panel.get("dd-ctrl-dut-value")
                 phy = ctrl_panel.get("dd-ctrl-phy-value")
                 area = ctrl_panel.get("dd-ctrl-area-value")
-                cores = self.spec_tbs[dut][phy][area][dd_test]["core"]
-                fsizes = self.spec_tbs[dut][phy][area][dd_test]["frame-size"]
-                ttypes = self.spec_tbs[dut][phy][area][dd_test]["test-type"]
+                test = self.spec_tbs[dut][phy][area][dd_test]
+                cores = test["core"]
+                fsizes = test["frame-size"]
+                ttypes = test["test-type"]
                 if dut and phy and area and dd_test:
-                    core_opts = [
-                        {"label": v, "value": v} for v in sorted(cores)
-                    ]
-                    framesize_opts = [
-                        {"label": v, "value": v} for v in sorted(fsizes)
-                    ]
-                    testtype_opts = [
-                        {"label": v, "value": v}for v in sorted(ttypes)
-                    ]
+                    core_opts = [{"label": v, "value": v}
+                        for v in sorted(cores)]
+                    framesize_opts = [{"label": v, "value": v}
+                        for v in sorted(fsizes)]
+                    testtype_opts = [{"label": v, "value": v}
+                        for v in sorted(ttypes)]
                     ctrl_panel.set({
                         "dd-ctrl-test-value": dd_test,
                         "cl-ctrl-core-options": core_opts,
                         "cl-ctrl-core-value": list(),
                         "cl-ctrl-core-all-value": list(),
-                        "cl-ctrl-core-all-options": self.CL_ALL_ENABLED,
+                        "cl-ctrl-core-all-options": C.CL_ALL_ENABLED,
                         "cl-ctrl-framesize-options": framesize_opts,
                         "cl-ctrl-framesize-value": list(),
                         "cl-ctrl-framesize-all-value": list(),
-                        "cl-ctrl-framesize-all-options": self.CL_ALL_ENABLED,
+                        "cl-ctrl-framesize-all-options": C.CL_ALL_ENABLED,
                         "cl-ctrl-testtype-options": testtype_opts,
                         "cl-ctrl-testtype-value": list(),
                         "cl-ctrl-testtype-all-value": list(),
-                        "cl-ctrl-testtype-all-options": self.CL_ALL_ENABLED,
+                        "cl-ctrl-testtype-all-options": C.CL_ALL_ENABLED,
                     })
             elif trigger_id == "cl-ctrl-core":
-                val_sel, val_all = self._sync_checklists(
-                    opt=ctrl_panel.get("cl-ctrl-core-options"),
+                val_sel, val_all = sync_checklists(
+                    options=ctrl_panel.get("cl-ctrl-core-options"),
                     sel=cl_core,
                     all=list(),
                     id=""
@@ -945,8 +1111,8 @@ class Layout:
                     "cl-ctrl-core-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-core-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-ctrl-core-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-ctrl-core-options"),
                     sel=list(),
                     all=cl_core_all,
                     id="all"
@@ -956,8 +1122,8 @@ class Layout:
                     "cl-ctrl-core-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-framesize":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-ctrl-framesize-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-ctrl-framesize-options"),
                     sel=cl_framesize,
                     all=list(),
                     id=""
@@ -967,8 +1133,8 @@ class Layout:
                     "cl-ctrl-framesize-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-framesize-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-ctrl-framesize-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-ctrl-framesize-options"),
                     sel=list(),
                     all=cl_framesize_all,
                     id="all"
@@ -978,8 +1144,8 @@ class Layout:
                     "cl-ctrl-framesize-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-testtype":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-ctrl-testtype-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-ctrl-testtype-options"),
                     sel=cl_testtype,
                     all=list(),
                     id=""
@@ -989,8 +1155,8 @@ class Layout:
                     "cl-ctrl-testtype-all-value": val_all,
                 })
             elif trigger_id == "cl-ctrl-testtype-all":
-                val_sel, val_all = self._sync_checklists(
-                    opt = ctrl_panel.get("cl-ctrl-testtype-options"),
+                val_sel, val_all = sync_checklists(
+                    options = ctrl_panel.get("cl-ctrl-testtype-options"),
                     sel=list(),
                     all=cl_testtype_all,
                     id="all"
@@ -1034,37 +1200,19 @@ class Layout:
                                         "testtype": ttype.lower()
                                     })
                     store_sel = sorted(store_sel, key=lambda d: d["id"])
-                    row_card_sel_tests = self.STYLE_ENABLED
-                    row_btns_sel_tests = self.STYLE_ENABLED
-                    ctrl_panel.set(ctrl_panel.defaults)
-                    ctrl_panel.set({
-                        "cl-selected-options": self._list_tests(store_sel)
-                    })
-                    row_fig_tput, row_fig_lat, row_btn_dwnld = \
-                        _generate_plotting_arrea(
-                            graph_trending(
-                                self.data, store_sel, self.layout, d_start,
-                                d_end
-                            )
-                        )
-            elif trigger_id == "dpr-period":
-                row_fig_tput, row_fig_lat, row_btn_dwnld = \
-                    _generate_plotting_arrea(
-                        graph_trending(
-                            self.data, store_sel, self.layout, d_start, d_end
-                        )
-                    )
+                    row_card_sel_tests = C.STYLE_ENABLED
+                    row_btns_sel_tests = C.STYLE_ENABLED
+                    if C.CLEAR_ALL_INPUTS:
+                        ctrl_panel.set(ctrl_panel.defaults)
             elif trigger_id == "btn-sel-remove-all":
                 _ = btn_remove_all
-                row_fig_tput = self.PLACEHOLDER
-                row_fig_lat = self.PLACEHOLDER
-                row_btn_dwnld = self.PLACEHOLDER
-                row_card_sel_tests = self.STYLE_DISABLED
-                row_btns_sel_tests = self.STYLE_DISABLED
+                row_fig_tput = C.PLACEHOLDER
+                row_fig_lat = C.PLACEHOLDER
+                row_btn_dwnld = C.PLACEHOLDER
+                row_card_sel_tests = C.STYLE_DISABLED
+                row_btns_sel_tests = C.STYLE_DISABLED
                 store_sel = list()
-                ctrl_panel.set({
-                        "cl-selected-options": list()
-                })
+                ctrl_panel.set({"cl-selected-options": list()})
             elif trigger_id == "btn-sel-remove":
                 _ = btn_remove
                 if list_sel:
@@ -1073,27 +1221,45 @@ class Layout:
                         if item["id"] not in list_sel:
                             new_store_sel.append(item)
                     store_sel = new_store_sel
+            elif trigger_id == "url":
+                # TODO: Add verification
+                url_params = parsed_url["params"]
+                if url_params:
+                    store_sel = literal_eval(
+                        url_params.get("store_sel", list())[0])
+                    d_start = get_date(url_params.get("start", list())[0])
+                    d_end = get_date(url_params.get("end", list())[0])
+                    if store_sel:
+                        row_card_sel_tests = C.STYLE_ENABLED
+                        row_btns_sel_tests = C.STYLE_ENABLED
+
+            if trigger_id in ("btn-ctrl-add", "url", "dpr-period",
+                    "btn-sel-remove", "cl-ctrl-normalize"):
                 if store_sel:
                     row_fig_tput, row_fig_lat, row_btn_dwnld = \
-                        _generate_plotting_arrea(
-                            graph_trending(
-                                self.data, store_sel, self.layout, d_start,
-                                d_end
+                        _generate_plotting_area(
+                            graph_trending(self.data, store_sel, self.layout,
+                                d_start, d_end, bool(cl_normalize)),
+                            gen_new_url(
+                                parsed_url,
+                                {
+                                    "store_sel": store_sel,
+                                    "start": d_start,
+                                    "end": d_end
+                                }
                             )
                         )
                     ctrl_panel.set({
-                        "cl-selected-options": self._list_tests(store_sel)
+                        "cl-selected-options": list_tests(store_sel)
                     })
                 else:
-                    row_fig_tput = self.PLACEHOLDER
-                    row_fig_lat = self.PLACEHOLDER
-                    row_btn_dwnld = self.PLACEHOLDER
-                    row_card_sel_tests = self.STYLE_DISABLED
-                    row_btns_sel_tests = self.STYLE_DISABLED
+                    row_fig_tput = C.PLACEHOLDER
+                    row_fig_lat = C.PLACEHOLDER
+                    row_btn_dwnld = C.PLACEHOLDER
+                    row_card_sel_tests = C.STYLE_DISABLED
+                    row_btns_sel_tests = C.STYLE_DISABLED
                     store_sel = list()
-                    ctrl_panel.set({
-                            "cl-selected-options": list()
-                    })
+                    ctrl_panel.set({"cl-selected-options": list()})
 
             if ctrl_panel.get("cl-ctrl-core-value") and \
                     ctrl_panel.get("cl-ctrl-framesize-value") and \
@@ -1102,7 +1268,8 @@ class Layout:
             else:
                 disabled = True
             ctrl_panel.set({
-                "btn-ctrl-add-disabled": disabled
+                "btn-ctrl-add-disabled": disabled,
+                "cl-normalize-value": cl_normalize
             })
 
             ret_val = [
@@ -1121,7 +1288,14 @@ class Layout:
             prevent_initial_call=True
         )
         def _show_metadata_from_graphs(graph_data: dict) -> tuple:
-            """
+            """Generates the data for the offcanvas displayed when a particular
+            point in a graph is clicked on.
+
+            :param graph_data: The data from the clicked point in the graph.
+            :type graph_data: dict
+            :returns: The data to be displayed on the offcanvas and the
+                information to show the offcanvas.
+            :rtype: tuple(list, list, bool)
             """
             try:
                 trigger_id = loads(
@@ -1191,7 +1365,16 @@ class Layout:
             prevent_initial_call=True
         )
         def _download_data(store_sel, n_clicks):
-            """
+            """Download the data
+
+            :param store_sel: List of tests selected by user stored in the
+                browser.
+            :param n_clicks: Number of clicks on the button "Download".
+            :type store_sel: list
+            :type n_clicks: int
+            :returns: dict of data frame content (base64 encoded) and meta data
+                used by the Download component.
+            :rtype: dict
             """
 
             if not n_clicks:
@@ -1207,4 +1390,4 @@ class Layout:
                     continue
                 df = pd.concat([df, sel_data], ignore_index=True)
 
-            return dcc.send_data_frame(df.to_csv, "trending_data.csv")
+            return dcc.send_data_frame(df.to_csv, C.TREND_DOWNLOAD_FILE_NAME)