Fix #7732 (Multiple Search and Replace without closing Dialog)

src/calibre/gui2/actions/edit_metadata.py

@@ -162,9 +162,14 @@ class EditMetadataAction(InterfaceAction):
             return
         # Prevent the TagView from updating due to signals from the database
         self.gui.tags_view.blockSignals(True)
+        changed = False
         try:
-            changed = MetadataBulkDialog(self.gui, rows,
-                self.gui.library_view.model()).changed
+            while True:
+                dialog = MetadataBulkDialog(self.gui, rows, self.gui.library_view.model())
+                if dialog.changed:
+                    changed = True
+                if not dialog.do_again:
+                    break
         finally:
             self.gui.tags_view.blockSignals(False)
         if changed:

src/calibre/gui2/dialogs/metadata_bulk.py

@@ -6,7 +6,7 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 import re
 
 from PyQt4.Qt import Qt, QDialog, QGridLayout, QVBoxLayout, QFont, QLabel, \
-                     pyqtSignal
+                     pyqtSignal, QDialogButtonBox
 from PyQt4 import QtGui
 
 from calibre.gui2.dialogs.metadata_bulk_ui import Ui_MetadataBulkDialog
@@ -232,8 +232,19 @@ class MetadataBulkDialog(QDialog, Ui_MetadataBulkDialog):
             self.create_custom_column_editors()
 
         self.prepare_search_and_replace()
+
+        self.button_box.clicked.connect(self.button_clicked)
+        self.button_box.button(QDialogButtonBox.Apply).setToolTip(_(
+            'Immediately make all changes without closing the dialog. '
+            'This operation cannot be canceled or undone'))
+        self.do_again = False
         self.exec_()
 
+    def button_clicked(self, which):
+        if which == self.button_box.button(QDialogButtonBox.Apply):
+            self.do_again = True
+            self.accept()
+
     def prepare_search_and_replace(self):
         self.search_for.initialize('bulk_edit_search_for')
         self.replace_with.initialize('bulk_edit_replace_with')
@@ -692,7 +703,6 @@ class MetadataBulkDialog(QDialog, Ui_MetadataBulkDialog):
         self.db.clean()
         return QDialog.accept(self)
 
-
     def series_changed(self, *args):
         self.write_series = True
 

src/calibre/gui2/dialogs/metadata_bulk.ui

@@ -710,7 +710,7 @@ nothing should be put between the original text and the inserted text</string>
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+      <set>QDialogButtonBox::Apply|QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
      </property>
     </widget>
    </item>