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Table of Contents editor: When the user tries to use the buttons for moving a single item to move multiple items, popup a help message telling them to use drag and drop instead.

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This commit is contained in:
Kovid Goyal 2014-08-30 17:18:56 +05:30
parent 2d65fde274
commit 837a83ec19
1 changed files with 16 additions and 2 deletions
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18
src/calibre/gui2/toc/main.py
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@ -19,7 +19,7 @@ from PyQt5.Qt import (QPushButton, QFrame, QMenu, QInputDialog,
from calibre.ebooks.oeb.polish.container import get_container, AZW3Container from calibre.ebooks.oeb.polish.container import get_container, AZW3Container
from calibre.ebooks.oeb.polish.toc import ( from calibre.ebooks.oeb.polish.toc import (
get_toc, add_id, TOC, commit_toc, from_xpaths, from_links, from_files) get_toc, add_id, TOC, commit_toc, from_xpaths, from_links, from_files)
from calibre.gui2 import Application, error_dialog, gprefs from calibre.gui2 import Application, error_dialog, gprefs, info_dialog
from calibre.gui2.progress_indicator import ProgressIndicator from calibre.gui2.progress_indicator import ProgressIndicator
from calibre.gui2.toc.location import ItemEdit from calibre.gui2.toc.location import ItemEdit
from calibre.gui2.convert.xpath_wizard import XPathEdit from calibre.gui2.convert.xpath_wizard import XPathEdit
@ -402,7 +402,16 @@ class TreeWidget(QTreeWidget): # {{{
self.setCurrentItem(item, 0, QItemSelectionModel.ClearAndSelect) self.setCurrentItem(item, 0, QItemSelectionModel.ClearAndSelect)
self.scrollToItem(item) self.scrollToItem(item)
def check_multi_selection(self):
if len(self.selectedItems()) > 1:
return info_dialog(self, _('Multiple items selected'), _(
'You are trying to move multiple items at once, this is not supported. Instead use'
' Drag and Drop to move multiple items'), show=True)
return True
def move_left(self): def move_left(self):
if not self.check_multi_selection():
return
item = self.currentItem() item = self.currentItem()
if item is not None: if item is not None:
parent = item.parent() parent = item.parent()
@ -420,6 +429,8 @@ class TreeWidget(QTreeWidget): # {{{
self.highlight_item(item) self.highlight_item(item)
def move_right(self): def move_right(self):
if not self.check_multi_selection():
return
item = self.currentItem() item = self.currentItem()
if item is not None: if item is not None:
parent = item.parent() or self.invisibleRootItem() parent = item.parent() or self.invisibleRootItem()
@ -434,6 +445,8 @@ class TreeWidget(QTreeWidget): # {{{
self.highlight_item(item) self.highlight_item(item)
def move_down(self): def move_down(self):
if not self.check_multi_selection():
return
item = self.currentItem() item = self.currentItem()
if item is None: if item is None:
if self.root.childCount() == 0: if self.root.childCount() == 0:
@ -457,6 +470,8 @@ class TreeWidget(QTreeWidget): # {{{
self.highlight_item(item) self.highlight_item(item)
def move_up(self): def move_up(self):
if not self.check_multi_selection():
return
item = self.currentItem() item = self.currentItem()
if item is None: if item is None:
if self.root.childCount() == 0: if self.root.childCount() == 0:
@ -961,4 +976,3 @@ if __name__ == '__main__':
d.start() d.start()
d.exec_() d.exec_()
del d # Needed to prevent sigsegv in exit cleanup del d # Needed to prevent sigsegv in exit cleanup