Add an action to enable/disable scan storing

bliss/flint/resources/icons/scan-many.svg

+<?xml version="1.0" encoding="UTF-8"?>
+<svg id="svg12" enable-background="new 0 0 32 32" version="1.1" viewBox="0 0 32 32" xml:space="preserve" xmlns="http://www.w3.org/2000/svg" xmlns:cc="http://creativecommons.org/ns#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"><metadata id="metadata2"><rdf:RDF><cc:Work rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage"/><dc:title/></cc:Work></rdf:RDF></metadata><path id="path16-3" d="m30.24 26.443c-0.2099-0.02224-13.302-0.01495-14.181-0.24464-1.4684-0.38394-1.4525-0.21784-2.0548-1.3356-1.084-2.0116 0.06041-19.343-4.7282-19.387-4.7886-0.044-3.6546 18.21-5.6019 19.861-1.9473 1.6509-1.9292 1.1062-1.9292 1.1062" fill="none" stroke="#00a14b" stroke-linecap="round" stroke-width="2.109"/><path id="path16-3-5-5" d="m28.024 23.52c-1.084-2.0116-0.05811-18-4.8468-18.044-0.84925-0.00778-1.5122 0.55994-2.0391 1.5085" fill="none" stroke="#758c80" stroke-linecap="round" stroke-width="2.109"/><path id="path16-3-5-5-1" d="m21.111 23.52c-1.084-2.0116-0.05811-18-4.8468-18.044-0.84925-0.00778-1.5122 0.55994-2.0391 1.5085" fill="none" stroke="#758c80" stroke-linecap="round" stroke-width="2.109"/></svg>

bliss/flint/widgets/curve_plot.py

@@ -125,7 +125,8 @@ class CurvePlotWidget(plot_helper.PlotWidget):
     def __init__(self, parent=None):
         super(CurvePlotWidget, self).__init__(parent=parent)
         self.__scans: List[scan_model.Scan] = []
-        self.__maxScans = 3
+        self.__maxStoredScans = 3
+        self.__storePreviousScans = False
         self.__flintModel: Optional[flint_model.FlintState] = None
         self.__plotModel: plot_model.Plot = None
 
@@ -554,6 +555,20 @@ class CurvePlotWidget(plot_helper.PlotWidget):
         self.scanListUpdated.emit(self.__scans)
         self.__redrawAllScans()
 
+    def setMaxStoredScans(self, maxScans: int):
+        # FIXME: Must emit event
+        self.__maxStoredScans = maxScans
+
+    def maxStoredScans(self) -> int:
+        return self.__maxStoredScans
+
+    def setPreviousScanStored(self, storeScans: bool):
+        # FIXME: Must emit event
+        self.__storePreviousScans = storeScans
+
+    def isPreviousScanStored(self) -> bool:
+        return self.__storePreviousScans
+
     @property
     def __scan(self):
         if len(self.__scans) == 0:
@@ -577,10 +592,15 @@ class CurvePlotWidget(plot_helper.PlotWidget):
             self.__scan.scanFinished.disconnect(
                 self.__aggregator.callbackTo(self.__scanFinished)
             )
-        if scan is not None:
-            self.__scans.insert(0, scan)
-        while len(self.__scans) > self.__maxScans:
-            del self.__scans[-1]
+        if self.__storePreviousScans:
+            if scan is not None:
+                self.__scans.insert(0, scan)
+            while len(self.__scans) > self.__maxStoredScans:
+                del self.__scans[-1]
+        else:
+            if scan is not None:
+                self.__scans.clear()
+                self.__scans.append(scan)
         self.__syncStyleStrategy()
         self.scanListUpdated.emit(self.__scans)
         if self.__scan is not None:

bliss/flint/widgets/curve_plot_property.py

@@ -789,6 +789,15 @@ class CurvePlotPropertyWidget(qt.QWidget):
 
         toolBar.addSeparator()
 
+        action = qt.QAction(self)
+        icon = icons.getQIcon("flint:icons/scan-many")
+        action.setCheckable(True)
+        action.setIcon(icon)
+        action.setToolTip("Enable displaying many scans and show the list")
+        action.toggled.connect(self.__toggeledShowScans)
+        toolBar.addAction(action)
+        self.__storeScanAction = action
+
         action = qt.QAction(self)
         icon = icons.getQIcon("flint:icons/scan-history")
         action.setIcon(icon)
@@ -800,6 +809,11 @@ class CurvePlotPropertyWidget(qt.QWidget):
 
         return toolBar
 
+    def __toggeledShowScans(self, checked):
+        self.__scanListView.setVisible(checked)
+        if self.__focusWidget is not None:
+            self.__focusWidget.setPreviousScanStored(checked)
+
     def __resetPlotWithOriginalPlot(self):
         widget = self.__focusWidget
         scan = widget.scan()
@@ -966,6 +980,12 @@ class CurvePlotPropertyWidget(qt.QWidget):
         else:
             plotModel = None
             scanModel = None
+
+        if widget is not None:
+            scansVisible = widget.isPreviousScanStored()
+            self.__scanListView.setVisible(scansVisible)
+            self.__storeScanAction.setChecked(scansVisible)
+
         self.__currentScanChanged(scanModel)
         self.__currentScanListChanged(widget.scanList())
         self.__plotModelUpdated(plotModel)