Merge pull request #15 from zdomke/main

Refactoring Archive Viewer as hybrid PyDM display

archive_viewer/archive_viewer.py

@@ -0,0 +1,39 @@
+from time import time
+from qtpy.QtCore import Slot
+from pydm import Display
+from mixins import (TracesTableMixin, AxisTableMixin, ArchiversTabMixin)
+
+
+class ArchiveViewer(Display, TracesTableMixin, AxisTableMixin, ArchiversTabMixin):
+    def __init__(self, parent=None, args=None, macros=None, ui_filename=__file__.replace(".py", ".ui")) -> None:
+        super(ArchiveViewer, self).__init__(parent=parent, args=args,
+                                            macros=macros, ui_filename=ui_filename)
+
+        self.ui.main_spltr.setCollapsible(0, False)
+        self.ui.main_spltr.setStretchFactor(0, 1)
+
+        self.axis_table_init()
+        self.traces_table_init()
+        self.archivers_tab_init()
+
+        self.curve_delegates_init()
+        self.axis_delegates_init()
+
+        self.ui.half_min_scale_btn.clicked.connect(lambda _: self.set_plot_timerange(30))
+        self.ui.min_scale_btn.clicked.connect(lambda _: self.set_plot_timerange(60))
+        self.ui.hour_scale_btn.clicked.connect(lambda _: self.set_plot_timerange(3600))
+        self.ui.week_scale_btn.clicked.connect(lambda _: self.set_plot_timerange(604800))
+        self.ui.month_scale_btn.clicked.connect(lambda _: self.set_plot_timerange(2628300))
+        self.ui.auto_scale_btn.toggled.connect(self.ui.archiver_plot.setAutoRangeY)
+
+    @Slot(float)
+    def set_plot_timerange(self, timespan: float) -> None:
+        """Sets the Archiver Plot's x-axis to show the requested timespan.
+
+        Parameters
+        ----------
+        timespan : float
+            The number of seconds to show on the plot.
+        """
+        curr = time()
+        self.ui.archiver_plot.plotItem.setXRange(curr - timespan, curr)