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Skeleton for D&D in Tag Browser

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Kovid Goyal 2011-02-23 07:49:48 -07:00
parent 4f81c2e0f9
commit a64f4aeb0d
1 changed files with 30 additions and 11 deletions
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29
src/calibre/gui2/tag_view.py
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@ -7,7 +7,7 @@ __docformat__ = 'restructuredtext en'
Browsing book collection by tags. Browsing book collection by tags.
''' '''
import traceback, copy import traceback, copy, cPickle
from itertools import izip from itertools import izip
from functools import partial from functools import partial
@ -16,7 +16,7 @@ from PyQt4.Qt import Qt, QTreeView, QApplication, pyqtSignal, QFont, QSize, \
QIcon, QPoint, QVBoxLayout, QHBoxLayout, QComboBox, QTimer,\ QIcon, QPoint, QVBoxLayout, QHBoxLayout, QComboBox, QTimer,\
QAbstractItemModel, QVariant, QModelIndex, QMenu, QFrame,\ QAbstractItemModel, QVariant, QModelIndex, QMenu, QFrame,\
QPushButton, QWidget, QItemDelegate, QString, QLabel, \ QPushButton, QWidget, QItemDelegate, QString, QLabel, \
QShortcut, QKeySequence, SIGNAL QShortcut, QKeySequence, SIGNAL, QMimeData
from calibre.ebooks.metadata import title_sort from calibre.ebooks.metadata import title_sort
from calibre.gui2 import config, NONE, gprefs from calibre.gui2 import config, NONE, gprefs
@ -95,7 +95,8 @@ class TagsView(QTreeView): # {{{
self.setItemDelegate(TagDelegate(self)) self.setItemDelegate(TagDelegate(self))
self.made_connections = False self.made_connections = False
self.setAcceptDrops(True) self.setAcceptDrops(True)
self.setDragDropMode(self.DropOnly) self.setDragEnabled(True)
self.setDragDropMode(self.DragDrop)
self.setDropIndicatorShown(True) self.setDropIndicatorShown(True)
self.setAutoExpandDelay(500) self.setAutoExpandDelay(500)
self.pane_is_visible = False self.pane_is_visible = False
@ -406,6 +407,7 @@ class TagsView(QTreeView): # {{{
fm_dest = self.db.metadata_for_field(item.category_key) fm_dest = self.db.metadata_for_field(item.category_key)
if fm_dest['kind'] == 'user': if fm_dest['kind'] == 'user':
md = event.mimeData() md = event.mimeData()
if hasattr(md, 'column_name'):
fm_src = self.db.metadata_for_field(md.column_name) fm_src = self.db.metadata_for_field(md.column_name)
if md.column_name in ['authors', 'publisher', 'series'] or \ if md.column_name in ['authors', 'publisher', 'series'] or \
(fm_src['is_custom'] and (fm_src['is_custom'] and
@ -664,10 +666,26 @@ class TagsModel(QAbstractItemModel): # {{{
self.db = self.root_item = None self.db = self.root_item = None
def mimeTypes(self): def mimeTypes(self):
return ["application/calibre+from_library"] return ["application/calibre+from_library",
'application/calibre+from_tag_browser']
def mimeData(self, indexes):
data = []
for idx in indexes:
if idx.isValid():
# get some useful serializable data
name = unicode(self.data(idx, Qt.DisplayRole).toString())
data.append(name)
else:
data.append(None)
raw = bytearray(cPickle.dumps(data, -1))
ans = QMimeData()
ans.setData('application/calibre+from_tag_browser', raw)
return ans
def dropMimeData(self, md, action, row, column, parent): def dropMimeData(self, md, action, row, column, parent):
if not md.hasFormat("application/calibre+from_library") or \ fmts = set([unicode(x) for x in md.formats()])
if not fmts.intersection(set(self.mimeTypes())) or \
action != Qt.CopyAction: action != Qt.CopyAction:
return False return False
idx = parent idx = parent
@ -1081,6 +1099,7 @@ class TagsModel(QAbstractItemModel): # {{{
if index.isValid(): if index.isValid():
node = self.data(index, Qt.UserRole) node = self.data(index, Qt.UserRole)
if node.type == TagTreeItem.TAG: if node.type == TagTreeItem.TAG:
ans |= Qt.ItemIsDragEnabled
fm = self.db.metadata_for_field(node.tag.category) fm = self.db.metadata_for_field(node.tag.category)
if node.tag.category in \ if node.tag.category in \
('tags', 'series', 'authors', 'rating', 'publisher') or \ ('tags', 'series', 'authors', 'rating', 'publisher') or \