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Rework MyTreeWidget editing

Gets rid of need for EditableItem class.
New callback on_permit_edit to permit widgets to refuse editing.
Restores popup menu on activating a non-editable column behaviour.
283
Neil Booth 9 years ago
parent
commit
544b829f6e
  1. 3
      gui/qt/history_widget.py
  2. 24
      gui/qt/main_window.py
  3. 94
      gui/qt/util.py

3
gui/qt/history_widget.py

@ -32,7 +32,6 @@ class HistoryWidget(MyTreeWidget):
self.refresh_headers()
self.setColumnHidden(1, True)
self.config = self.parent.config
self.setSortingEnabled(False)
def refresh_headers(self):
headers = ['', '', _('Date'), _('Description') , _('Amount'),
@ -72,7 +71,7 @@ class HistoryWidget(MyTreeWidget):
label, is_default_label = self.wallet.get_label(tx_hash)
entry = ['', tx_hash, time_str, label, v_str, balance_str]
run_hook('history_tab_update', tx, entry)
item = EditableItem(entry)
item = QTreeWidgetItem(entry)
item.setIcon(0, icon)
for i in range(len(entry)):
if i>3:

24
gui/qt/main_window.py

@ -855,7 +855,7 @@ class ElectrumWindow(QMainWindow, PrintError):
requestor = req.get('name', '')
amount_str = self.format_amount(amount) if amount else ""
account = ''
item = EditableItem([date, account, address, '', message, amount_str, pr_tooltips.get(status,'')])
item = QTreeWidgetItem([date, account, address, '', message, amount_str, pr_tooltips.get(status,'')])
if signature is not None:
item.setIcon(3, QIcon(":icons/seal.png"))
item.setToolTip(3, 'signed by '+ requestor)
@ -921,7 +921,6 @@ class ElectrumWindow(QMainWindow, PrintError):
self.from_label = QLabel(_('From'))
grid.addWidget(self.from_label, 3, 0)
self.from_list = MyTreeWidget(self, self.from_list_menu, ['',''])
self.from_list.setSortingEnabled(False)
self.from_list.setHeaderHidden(True)
self.from_list.setMaximumHeight(80)
grid.addWidget(self.from_list, 3, 1, 1, 3)
@ -1000,6 +999,7 @@ class ElectrumWindow(QMainWindow, PrintError):
self.invoices_label = QLabel(_('Invoices'))
self.invoices_list = MyTreeWidget(self, self.invoices_list_menu,
[_('Expires'), _('Requestor'), _('Description'), _('Amount'), _('Status')], 2)
self.invoices_list.setSortingEnabled(True)
self.invoices_list.header().setResizeMode(1, QHeaderView.Interactive)
self.invoices_list.setColumnWidth(1, 200)
@ -1406,14 +1406,15 @@ class ElectrumWindow(QMainWindow, PrintError):
def create_addresses_tab(self):
l = MyTreeWidget(self, self.create_receive_menu, [ _('Address'), _('Label'), _('Balance'), _('Tx')], 1)
l.setSelectionMode(QAbstractItemView.ExtendedSelection)
l.setSortingEnabled(False)
self.address_list = l
return self.create_list_tab(l)
def create_contacts_tab(self):
l = MyTreeWidget(self, self.create_contact_menu, [_('Name'), _('Value'), _('Type')], 1, [0, 1])
l.setSelectionMode(QAbstractItemView.ExtendedSelection)
l.item_edited = self.contact_edited
l.setSortingEnabled(True)
l.on_edited = self.on_contact_edited
l.on_permit_edit = self.on_permit_contact_edit
self.contacts_list = l
return self.create_list_tab(l)
@ -1427,7 +1428,7 @@ class ElectrumWindow(QMainWindow, PrintError):
requestor = pr.get_requestor()
exp = pr.get_expiration_date()
date_str = util.format_time(exp) if exp else _('Never')
item = EditableItem([date_str, requestor, pr.memo, self.format_amount(pr.get_amount(), whitespaces=True), pr_tooltips.get(status,'')])
item = QTreeWidgetItem([date_str, requestor, pr.memo, self.format_amount(pr.get_amount(), whitespaces=True), pr_tooltips.get(status,'')])
item.setIcon(4, QIcon(pr_icons.get(status)))
item.setData(0, Qt.UserRole, key)
item.setFont(1, QFont(MONOSPACE_FONT))
@ -1551,7 +1552,11 @@ class ElectrumWindow(QMainWindow, PrintError):
self.payto_e.setText(text)
self.payto_e.setFocus()
def contact_edited(self, item, column, prior):
def on_permit_contact_edit(self, item, column):
# openalias items shouldn't be editable
return item.text(2) != "openalias"
def on_contact_edited(self, item, column, prior):
if column == 0: # Remove old contact if renamed
self.contacts.pop(prior)
self.set_contact(unicode(item.text(0)), unicode(item.text(1)))
@ -1703,7 +1708,7 @@ class ElectrumWindow(QMainWindow, PrintError):
label = self.wallet.labels.get(address,'')
c, u, x = self.wallet.get_addr_balance(address)
balance = self.format_amount(c + u + x)
item = EditableItem( [ address, label, balance, "%d"%num] )
item = QTreeWidgetItem([address, label, balance, "%d"%num])
item.setFont(0, QFont(MONOSPACE_FONT))
item.setData(0, Qt.UserRole, address)
item.setData(0, Qt.UserRole+1, True) # label can be edited
@ -1729,10 +1734,7 @@ class ElectrumWindow(QMainWindow, PrintError):
l.clear()
for key in sorted(self.contacts.keys()):
_type, value = self.contacts[key]
if _type == 'address':
item = EditableItem([key, value, _type])
else: # openalias items shouldn't be editable
item = QTreeWidgetItem([key, value, _type])
item = QTreeWidgetItem([key, value, _type])
item.setData(0, Qt.UserRole, key)
l.addTopLevelItem(item)
if key == current_key:

94
gui/qt/util.py

@ -283,19 +283,9 @@ def filename_field(parent, config, defaultname, select_msg):
return vbox, filename_e, b1
class EditableItem(QTreeWidgetItem):
def __init__(self, columns):
QTreeWidgetItem.__init__(self, columns)
self.setFlags(self.flags() | Qt.ItemIsEditable)
class EditableItemDelegate(QStyledItemDelegate):
class ElectrumItemDelegate(QStyledItemDelegate):
def createEditor(self, parent, option, index):
if index.column() not in self.parent().editable_columns:
return None
self.parent().editing = (self.parent().currentItem(),
index.column(),
unicode(index.data().toString()))
return QStyledItemDelegate.createEditor(self, parent, option, index)
return self.parent().createEditor(parent, option, index)
class MyTreeWidget(QTreeWidget):
@ -305,23 +295,20 @@ class MyTreeWidget(QTreeWidget):
self.parent = parent
self.stretch_column = stretch_column
self.setContextMenuPolicy(Qt.CustomContextMenu)
self.itemActivated.connect(self.on_activated)
self.customContextMenuRequested.connect(create_menu)
self.setUniformRowHeights(True)
# extend the syntax for consistency
self.addChild = self.addTopLevelItem
self.insertChild = self.insertTopLevelItem
# Control which columns are editable
self.editing = (None, None, None)
self.editor = None
if editable_columns is None:
editable_columns = [stretch_column]
self.editable_columns = editable_columns
self.setEditTriggers(QAbstractItemView.DoubleClicked |
QAbstractItemView.EditKeyPressed)
self.setItemDelegate(EditableItemDelegate(self))
self.itemChanged.connect(self.item_changed)
self.setItemDelegate(ElectrumItemDelegate(self))
self.itemActivated.connect(self.on_activated)
self.update_headers(headers)
self.setSortingEnabled(True)
def update_headers(self, headers):
self.setColumnCount(len(headers))
@ -331,26 +318,61 @@ class MyTreeWidget(QTreeWidget):
sm = QHeaderView.Stretch if col == self.stretch_column else QHeaderView.ResizeToContents
self.header().setResizeMode(col, sm)
def on_activated(self, item):
if not item:
return
for i in range(0,self.viewport().height()/5):
if self.itemAt(QPoint(0,i*5)) == item:
break
def editItem(self, item, column):
if column in self.editable_columns:
self.editing_itemcol = (item, column, unicode(item.text(column)))
# Calling setFlags causes on_changed events for some reason
item.setFlags(item.flags() | Qt.ItemIsEditable)
QTreeWidget.editItem(self, item, column)
item.setFlags(item.flags() & ~Qt.ItemIsEditable)
def keyPressEvent(self, event):
if event.key() == Qt.Key_F2:
self.on_activated(self.currentItem(), self.currentColumn())
else:
return
for j in range(0,30):
if self.itemAt(QPoint(0,i*5 + j)) != item:
break
self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), QPoint(50, i*5 + j - 1))
QTreeWidget.keyPressEvent(self, event)
def item_changed(self, item, column):
'''Called only when the text actually changes'''
# Only pass user edits to item_edited()
if item == self.editing[0] and column == self.editing[1]:
self.item_edited(item, column, self.editing[2])
def permit_edit(self, item, column):
return (column in self.editable_columns
and self.on_permit_edit(item, column))
def on_permit_edit(self, item, column):
return True
def item_edited(self, item, column, prior):
def on_activated(self, item, column):
if self.permit_edit(item, column):
self.editItem(item, column)
else:
pt = self.visualItemRect(item).bottomLeft()
pt.setX(50)
self.emit(SIGNAL('customContextMenuRequested(const QPoint&)'), pt)
def createEditor(self, parent, option, index):
self.editor = QStyledItemDelegate.createEditor(self.itemDelegate(),
parent, option, index)
self.editor.connect(self.editor, SIGNAL("editingFinished()"),
self.editing_finished)
return self.editor
def editing_finished(self):
# Long-time QT bug - pressing Enter to finish editing signals
# editingFinished twice. If the item changed the sequence is
# Enter key: editingFinished, on_change, editingFinished
# Mouse: on_change, editingFinished
# This mess is the cleanest way to ensure we make the
# on_edited callback with the updated item
if self.editor:
(item, column, prior_text) = self.editing_itemcol
if self.editor.text() == prior_text:
self.editor = None # Unchanged - ignore any 2nd call
elif item.text(column) == prior_text:
pass # Buggy first call on Enter key, item not yet updated
else:
# What we want - the updated item
self.on_edited(*self.editing_itemcol)
self.editor = None
def on_edited(self, item, column, prior):
'''Called only when the text actually changes'''
key = str(item.data(0, Qt.UserRole).toString())
text = unicode(item.text(column))

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