Changeset 630155bd in sasview for src/sas/qtgui/DataExplorer.py

Timestamp:

Oct 5, 2016 4:40:30 PM (8 years ago)

Author:

davidm

Branches:

ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

2366fb2, e207c3f

Parents:

d0ccd80f

Message:

implementation of loadProject and saveProject

File:

• src/sas/qtgui/DataExplorer.py (modified) (3 diffs)

src/sas/qtgui/DataExplorer.py

@@ -30 +30 @@
     # for the gui and providing an interface to the data model.
 
-    def __init__(self, parent=None, guimanager=None):
+    def __init__(self, parent=None, guimanager=None, manager=None):
         super(DataExplorerWindow, self).__init__(parent, guimanager)
 
@@ -43 +43 @@
         self.parent = guimanager
         self.loader = Loader()
-        self.manager = DataManager()
+        self.manager = manager if manager is not None else DataManager()
         self.txt_widget = QtGui.QTextEdit(None)
         # self.txt_widget = GuiUtils.DisplayWindow()
@@ -164 +164 @@
 
         self.loadFromURL(path_str)
+
+    def loadProject(self):
+        """
+        Called when the "Open Project" menu item chosen.
+        """
+        kwargs = {
+            'parent'    : self,
+            'caption'   : 'Open Project',
+            'filter'    : 'Project (*.json);;All files (*.*)',
+            'options'   : QtGui.QFileDialog.DontUseNativeDialog
+        }
+        filename = str(QtGui.QFileDialog.getOpenFileName(**kwargs))
+        if filename:
+            load_thread = threads.deferToThread(self.readProject, filename)
+            load_thread.addCallback(self.readProjectComplete)
+
+    def readProject(self, filename):
+        self.communicator.statusBarUpdateSignal.emit("Loading Project... %s" % os.path.basename(filename))
+        try:
+            manager = DataManager()
+            with open(filename, 'r') as infile:
+                manager.load_from_readable(infile)
+
+            self.communicator.statusBarUpdateSignal.emit("Loaded Project: %s" % os.path.basename(filename))
+            return manager
+
+        except:
+            self.communicator.statusBarUpdateSignal.emit("Failed: %s" % os.path.basename(filename))
+            raise
+
+    def readProjectComplete(self, manager):
+        self.model.clear()
+
+        self.manager.assign(manager)
+        for id, item in self.manager.get_all_data().iteritems():
+            self.updateModel(item.data, item.path)
+
+        self.model.reset()
+
+    def saveProject(self):
+        """
+        Called when the "Save Project" menu item chosen.
+        """
+        kwargs = {
+            'parent'    : self,
+            'caption'   : 'Save Project',
+            'filter'    : 'Project (*.json)',
+            'options'   : QtGui.QFileDialog.DontUseNativeDialog
+        }
+        filename = str(QtGui.QFileDialog.getSaveFileName(**kwargs))
+        if filename:
+            self.communicator.statusBarUpdateSignal.emit("Saving Project... %s\n" % os.path.basename(filename))
+            with open(filename, 'w') as outfile:
+                self.manager.save_to_writable(outfile)
 
     def deleteFile(self, event):