[ui] Improve "Clear Images" action's behaviour and performance

meshroom/ui/commands.py

@@ -350,6 +350,31 @@ def undoImpl(self):
         listAttribute.insert(self.index, self.value)
 
 
+class ClearImagesCommand(GraphCommand):
+    def __init__(self, graph, cameraInitNodes, parent=None):
+        super(ClearImagesCommand, self).__init__(graph, parent)
+        self.cameraInits = cameraInitNodes
+        self.viewpoints = { cameraInit.name: cameraInit.attribute("viewpoints").getExportValue() for cameraInit in self.cameraInits }
+        self.intrinsics = { cameraInit.name: cameraInit.attribute("intrinsics").getExportValue() for cameraInit in self.cameraInits }
+        self.title = "Clear{}Images".format(" " if len(self.cameraInits) == 1 else " All ")
+        self.setText(self.title)
+
+    def redoImpl(self):
+        for i in range(len(self.cameraInits)):
+            # Reset viewpoints
+            self.cameraInits[i].viewpoints.resetValue()
+            self.cameraInits[i].viewpoints.valueChanged.emit()
+            # Reset intrinsics
+            self.cameraInits[i].intrinsics.resetValue()
+            self.cameraInits[i].intrinsics.valueChanged.emit()
+
+    def undoImpl(self):
+        for cameraInit in self.viewpoints:
+            with GraphModification(self.graph):
+                self.graph.node(cameraInit).viewpoints.value = self.viewpoints[cameraInit]
+                self.graph.node(cameraInit).intrinsics.value = self.intrinsics[cameraInit]
+
+
 class MoveNodeCommand(GraphCommand):
     """ Move a node to a given position. """
     def __init__(self, graph, node, position, parent=None):

meshroom/ui/graph.py

@@ -733,6 +733,16 @@ def appendAttribute(self, attribute, value=QJsonValue()):
     def removeAttribute(self, attribute):
         self.push(commands.ListAttributeRemoveCommand(self._graph, attribute))
 
+    @Slot()
+    def clearImages(self):
+        with self.groupedGraphModification("Clear Images"):
+            self.push(commands.ClearImagesCommand(self._graph, [self.cameraInit]))
+
+    @Slot()
+    def clearAllImages(self):
+        with self.groupedGraphModification("Clear All Images"):
+            self.push(commands.ClearImagesCommand(self._graph, list(self.cameraInits)))
+
     @Slot(Node)
     def appendSelection(self, node):
         """ Append 'node' to the selection if it is not already part of the selection. """

meshroom/ui/qml/main.qml

@@ -427,6 +427,26 @@ ApplicationWindow {
         uigraph: _reconstruction
     }
 
+    Action {
+        id: clearImagesAction
+        property string tooltip: "Clear images for the current CameraInit group"
+        text: "Clear Images"
+        onTriggered: {
+            _reconstruction.clearImages()
+            _reconstruction.selectedViewId = "-1"
+        }
+    }
+
+    Action {
+        id: clearAllImagesAction
+        property string tooltip: "Clear all the images for all the CameraInit groups"
+        text: "Clear All Images"
+        onTriggered: {
+            _reconstruction.clearAllImages()
+            _reconstruction.selectedViewId = "-1"
+        }
+    }
+
     Action {
         id: undoAction
 
@@ -638,28 +658,12 @@ ApplicationWindow {
                 }
             }
 
-            Action {
-                id: clearImagesAction
-                text: "Clear Images"
-                onTriggered: {
-                    //Loop through all the camera inits
-                    for(var i = 0 ; i < _reconstruction.cameraInits.count; i++){
-                        var cameraInit = _reconstruction.cameraInits.at(i)
-
-                        //Delete all viewpoints
-                        var viewpoints = cameraInit.attribute('viewpoints')
-                        for(var y = viewpoints.value.count - 1 ; y >= 0 ; y--){
-                              _reconstruction.removeAttribute(viewpoints.value.at(y))
-                        }
-
-                        //Delete all intrinsics
-                        var intrinsics = cameraInit.attribute('intrinsics')
-                        for(var z = intrinsics.value.count - 1 ; z >= 0 ; z--){
-                              _reconstruction.removeAttribute(intrinsics.value.at(z))
-                        }
-                    }
-                }
+            MenuItem {
+                action: clearImagesAction
+                ToolTip.visible: hovered
+                ToolTip.text: clearImagesAction.tooltip
             }
+
             MenuSeparator { }
             Menu {
                 id: advancedMenu
@@ -692,6 +696,12 @@ ApplicationWindow {
                         importProjectDialog.open();
                     }
                 }
+
+                MenuItem {
+                    action: clearAllImagesAction
+                    ToolTip.visible: hovered
+                    ToolTip.text: clearAllImagesAction.tooltip
+                }
             }
             MenuSeparator { }
             Action {