feat(waveform_widget): BECWaveformWidget toolbar added import/export config

bec_widgets/widgets/waveform/assets/export.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="48px" viewBox="0 0 24 24" width="48px"
+     fill="#FFFFFF">
+    <g>
+        <rect fill="none" height="24" width="24"/>
+    </g>
+    <g>
+        <path d="M18,15v3H6v-3H4v3c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2v-3H18z M7,9l1.41,1.41L11,7.83V16h2V7.83l2.59,2.58L17,9l-5-5L7,9z"/>
+    </g>
+</svg>

bec_widgets/widgets/waveform/assets/import.svg

@@ -0,0 +1,9 @@
+<svg xmlns="http://www.w3.org/2000/svg" enable-background="new 0 0 24 24" height="48px" viewBox="0 0 24 24" width="48px"
+     fill="#FFFFFF">
+    <g>
+        <rect fill="none" height="24" width="24"/>
+    </g>
+    <g>
+        <path d="M18,15v3H6v-3H4v3c0,1.1,0.9,2,2,2h12c1.1,0,2-0.9,2-2v-3H18z M17,11l-1.41-1.41L13,12.17V4h-2v8.17L8.41,9.59L7,11l5,5 L17,11z"/>
+    </g>
+</svg>

bec_widgets/widgets/waveform/waveform_dialog/waveform_toolbar.py

@@ -1,7 +1,7 @@
 import os
 
 from qtpy.QtCore import QSize
-from qtpy.QtGui import QIcon, QAction
+from qtpy.QtGui import QAction, QIcon
 
 from bec_widgets.widgets.toolbar.toolbar import ToolBarAction
 
@@ -14,3 +14,23 @@ class SettingsAction(ToolBarAction):
         icon.addFile(os.path.join(parent_path, "assets", "settings.svg"), size=QSize(20, 20))
         self.action = QAction(icon, "Open Configuration Dialog", target)
         toolbar.addAction(self.action)
+
+
+class ImportAction(ToolBarAction):
+    def add_to_toolbar(self, toolbar, target):
+        current_path = os.path.dirname(__file__)
+        parent_path = os.path.dirname(current_path)
+        icon = QIcon()
+        icon.addFile(os.path.join(parent_path, "assets", "import.svg"), size=QSize(20, 20))
+        self.action = QAction(icon, "Import Configuration from YAML", target)
+        toolbar.addAction(self.action)
+
+
+class ExportAction(ToolBarAction):
+    def add_to_toolbar(self, toolbar, target):
+        current_path = os.path.dirname(__file__)
+        parent_path = os.path.dirname(current_path)
+        icon = QIcon()
+        icon.addFile(os.path.join(parent_path, "assets", "export.svg"), size=QSize(20, 20))
+        self.action = QAction(icon, "Export Current Configuration to YAML", target)
+        toolbar.addAction(self.action)

bec_widgets/widgets/waveform/waveform_widget.py

@@ -4,8 +4,8 @@ import sys
 from typing import Literal
 
 import numpy as np
-from PySide6.QtWidgets import QWidget, QVBoxLayout
 from qtpy import PYSIDE6
+from qtpy.QtWidgets import QVBoxLayout, QWidget
 
 from bec_widgets.utils import BECConnector
 from bec_widgets.widgets.figure import BECFigure
@@ -13,7 +13,7 @@ from bec_widgets.widgets.figure.plots.axis_settings import AxisSettingsDialog
 from bec_widgets.widgets.figure.plots.waveform.waveform import Waveform1DConfig
 from bec_widgets.widgets.figure.plots.waveform.waveform_curve import BECCurve
 from bec_widgets.widgets.toolbar import ModularToolBar
-from bec_widgets.widgets.waveform.waveform_dialog.waveform_toolbar import SettingsAction
+from bec_widgets.widgets.waveform.waveform_dialog.waveform_toolbar import *
 
 try:
     import pandas as pd
@@ -71,7 +71,9 @@ class BECWaveformWidget(BECConnector, QWidget):
             actions={
                 # "connect": ConnectAction(),
                 # "history": ResetHistoryAction(),
-                "axis_settings": SettingsAction()
+                "axis_settings": SettingsAction(),
+                "import": ImportAction(),
+                "export": ExportAction(),
             },
             target_widget=self,
         )
@@ -88,6 +90,12 @@ class BECWaveformWidget(BECConnector, QWidget):
 
     def _hook_actions(self):
         self.toolbar.widgets["axis_settings"].action.triggered.connect(self.show_axis_settings)
+        self.toolbar.widgets["import"].action.triggered.connect(
+            lambda: self.load_config(path=None, gui=True)
+        )
+        self.toolbar.widgets["export"].action.triggered.connect(
+            lambda: self.save_config(path=None, gui=True)
+        )
 
     def show_axis_settings(self):
         dialog = AxisSettingsDialog(self, target_widget=self)
@@ -377,6 +385,29 @@ class BECWaveformWidget(BECConnector, QWidget):
         """
         self.waveform.lock_aspect_ratio(lock)
 
+    #######################################
+    # User Access Methods from BECConnector
+    ######################################
+    def load_config(self, path: str | None = None, gui: bool = False):
+        """
+        Load the configuration of the widget from YAML.
+
+        Args:
+            path(str): Path to the configuration file for non-GUI dialog mode.
+            gui(bool): If True, use the GUI dialog to load the configuration file.
+        """
+        self.fig.load_config(path=path, gui=gui)
+
+    def save_config(self, path: str | None = None, gui: bool = False):
+        """
+        Save the configuration of the widget to YAML.
+
+        Args:
+            path(str): Path to save the configuration file for non-GUI dialog mode.
+            gui(bool): If True, use the GUI dialog to save the configuration file.
+        """
+        self.fig.save_config(path=path, gui=gui)
+
     def cleanup(self):
         self.fig.cleanup()
         return super().cleanup()