added delete image button

labelImg.py

@@ -51,8 +51,11 @@ __appname__ = 'labelImg'
 class WindowMixin(object):
 
     def menu(self, title, actions=None):
+        
         menu = self.menuBar().addMenu(title)
+    
         if actions:
+        
             addActions(menu, actions)
         return menu
 
@@ -236,6 +239,8 @@ class MainWindow(QMainWindow, WindowMixin):
 
         close = action(getStr('closeCur'), self.closeFile, 'Ctrl+W', 'close', getStr('closeCurDetail'))
 
+        deleteImg = action(getStr('deleteImg'), self.deleteImg, 'Ctrl+D', 'close', getStr('deleteImgDetail'))
+
         resetAll = action(getStr('resetAll'), self.resetAll, None, 'resetall', getStr('resetAllDetail'))
 
         color1 = action(getStr('boxLineColor'), self.chooseColor1,
@@ -330,7 +335,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.drawSquaresOption.triggered.connect(self.toogleDrawSquare)
 
         # Store actions for further handling.
-        self.actions = struct(save=save, save_format=save_format, saveAs=saveAs, open=open, close=close, resetAll = resetAll,
+        self.actions = struct(save=save, save_format=save_format, saveAs=saveAs, open=open, close=close, resetAll = resetAll, deleteImg = deleteImg,
                               lineColor=color1, create=create, delete=delete, edit=edit, copy=copy,
                               createMode=createMode, editMode=editMode, advancedMode=advancedMode,
                               shapeLineColor=shapeLineColor, shapeFillColor=shapeFillColor,
@@ -375,7 +380,7 @@ class MainWindow(QMainWindow, WindowMixin):
         self.displayLabelOption.triggered.connect(self.togglePaintLabelsOption)
 
         addActions(self.menus.file,
-                   (open, opendir, changeSavedir, openAnnotation, self.menus.recentFiles, save, save_format, saveAs, close, resetAll, quit))
+                   (open, opendir, changeSavedir, openAnnotation, self.menus.recentFiles, save, save_format, saveAs, close, resetAll, deleteImg, quit))
         addActions(self.menus.help, (help, showInfo))
         addActions(self.menus.view, (
             self.autoSaving,
@@ -410,6 +415,7 @@ class MainWindow(QMainWindow, WindowMixin):
         # Application state.
         self.image = QImage()
         self.filePath = ustr(defaultFilename)
+        self.lastOpenDir= None
         self.recentFiles = []
         self.maxRecent = 7
         self.lineColor = None
@@ -1217,7 +1223,7 @@ class MainWindow(QMainWindow, WindowMixin):
                                                          QFileDialog.ShowDirsOnly | QFileDialog.DontResolveSymlinks))
         else:
             targetDirPath = ustr(defaultOpenDirPath)
-
+        self.lastOpenDir = targetDirPath
         self.importDirImages(targetDirPath)
 
     def importDirImages(self, dirpath):
@@ -1367,6 +1373,13 @@ class MainWindow(QMainWindow, WindowMixin):
         self.toggleActions(False)
         self.canvas.setEnabled(False)
         self.actions.saveAs.setEnabled(False)
+    def deleteImg(self):
+        deletePath = self.filePath
+        if self.filePath is not None:
+            self.openNextImg()
+            os.remove(deletePath)
+            self.importDirImages(self.lastOpenDir)
+            
 
     def resetAll(self):
         self.settings.reset()

resources/strings/strings.properties

@@ -20,6 +20,8 @@ saveAs=Save As
 saveAsDetail=Save the labels to a different file
 closeCur=Close
 closeCurDetail=Close the current file
+deleteImg = Delete Current Image
+deleteImgDetail = Delete current image
 resetAll=Reset All
 resetAllDetail=Reset All
 boxLineColor=Box Line Color