tkivy: cache gui list items - electrum - Electrum Bitcoin wallet
HTML git clone https://git.parazyd.org/electrum
DIR Log
DIR Files
DIR Refs
DIR Submodules
---
DIR commit 03bd6a092bf22e800d316de14f6f422d75c00384
DIR parent 016d733c0f81fb6a39a56cc6ae48563399f7839e
HTML Author: ThomasV <thomasv@electrum.org>
Date: Wed, 1 Jun 2016 19:21:37 +0200
kivy: cache gui list items
Diffstat:
M gui/kivy/uix/screens.py | 153 ++++++++++++++++---------------
1 file changed, 81 insertions(+), 72 deletions(-)
---
DIR diff --git a/gui/kivy/uix/screens.py b/gui/kivy/uix/screens.py
t@@ -106,6 +106,7 @@ class HistoryScreen(CScreen):
tab = ObjectProperty(None)
kvname = 'history'
+ cards = {}
def __init__(self, **kwargs):
self.ra_dialog = None
t@@ -129,48 +130,41 @@ class HistoryScreen(CScreen):
d = LabelDialog(_('Enter Transaction Label'), text, callback)
d.open()
-
- def parse_history(self, items):
- for item in items:
- tx_hash, height, conf, timestamp, value, balance = item
- status, status_str = self.app.wallet.get_tx_status(tx_hash, height, conf, timestamp)
- icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status]
- label = self.app.wallet.get_label(tx_hash) if tx_hash else _('Pruned transaction outputs')
- date = timestamp_to_datetime(timestamp)
- quote_text = ''
- if self.app.fiat_unit and date:
- rate = run_hook('history_rate', date)
- if rate:
- s = run_hook('value_str', value, rate)
- quote_text = '' if s is None else s + ' ' + self.app.fiat_unit
- yield (conf, icon, status_str, label, value, tx_hash, quote_text)
+ def get_card(self, tx_hash, height, conf, timestamp, value, balance):
+ status, status_str = self.app.wallet.get_tx_status(tx_hash, height, conf, timestamp)
+ icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status]
+ label = self.app.wallet.get_label(tx_hash) if tx_hash else _('Pruned transaction outputs')
+ date = timestamp_to_datetime(timestamp)
+ ri = self.cards.get(tx_hash)
+ if ri is None:
+ ri = Factory.HistoryItem()
+ ri.screen = self
+ ri.tx_hash = tx_hash
+ self.cards[tx_hash] = ri
+ ri.icon = icon
+ ri.date = status_str
+ ri.message = label
+ ri.value = value or 0
+ ri.value_known = value is not None
+ ri.confirmations = conf
+ if self.app.fiat_unit and date:
+ rate = run_hook('history_rate', date)
+ if rate:
+ s = run_hook('value_str', value, rate)
+ ri.quote_text = '' if s is None else s + ' ' + self.app.fiat_unit
+ return ri
def update(self, see_all=False):
if self.app.wallet is None:
return
-
- history = self.parse_history(reversed(
- self.app.wallet.get_history(self.app.current_account)))
- # repopulate History Card
+ history = reversed(self.app.wallet.get_history(self.app.current_account))
history_card = self.screen.ids.history_container
history_card.clear_widgets()
count = 0
for item in history:
+ ri = self.get_card(*item)
count += 1
- conf, icon, date_time, message, value, tx, quote_text = item
- ri = Factory.HistoryItem()
- ri.icon = icon
- ri.date = date_time
- ri.message = message
- ri.value = value or 0
- ri.value_known = value is not None
- ri.quote_text = quote_text
- ri.confirmations = conf
- ri.tx_hash = tx
- ri.screen = self
history_card.add_widget(ri)
- if count == 8 and not see_all:
- break
if count == 0:
msg = _('This screen shows your list of transactions. It is currently empty.')
t@@ -425,32 +419,40 @@ pr_icon = {
class InvoicesScreen(CScreen):
kvname = 'invoices'
+ cards = {}
+
+ def get_card(self, pr):
+ key = pr.get_id()
+ ci = self.cards.get(key)
+ if ci is None:
+ ci = Factory.InvoiceItem()
+ ci.key = key
+ ci.screen = self
+ self.cards[key] = ci
+
+ ci.requestor = pr.get_requestor()
+ ci.memo = pr.get_memo()
+ amount = pr.get_amount()
+ if amount:
+ ci.amount = self.app.format_amount_and_units(amount)
+ status = self.app.invoices.get_status(ci.key)
+ ci.status = invoice_text[status]
+ ci.icon = pr_icon[status]
+ else:
+ ci.amount = _('No Amount')
+ ci.status = ''
+ exp = pr.get_expiration_date()
+ ci.date = format_time(exp) if exp else _('Never')
+ return ci
def update(self):
self.menu_actions = [('Pay', self.do_pay), ('Details', self.do_view), ('Delete', self.do_delete)]
invoices_list = self.screen.ids.invoices_container
invoices_list.clear_widgets()
-
_list = self.app.invoices.sorted_list()
for pr in _list:
- ci = Factory.InvoiceItem()
- ci.key = pr.get_id()
- ci.requestor = pr.get_requestor()
- ci.memo = pr.get_memo()
- amount = pr.get_amount()
- if amount:
- ci.amount = self.app.format_amount_and_units(amount)
- status = self.app.invoices.get_status(ci.key)
- ci.status = invoice_text[status]
- ci.icon = pr_icon[status]
- else:
- ci.amount = _('No Amount')
- ci.status = ''
- exp = pr.get_expiration_date()
- ci.date = format_time(exp) if exp else _('Never')
- ci.screen = self
+ ci = self.get_card(pr)
invoices_list.add_widget(ci)
-
if not _list:
msg = _('This screen shows the list of payment requests that have been sent to you. You may also use it to store contact addresses.')
invoices_list.add_widget(EmptyLabel(text=msg))
t@@ -475,6 +477,34 @@ class InvoicesScreen(CScreen):
class RequestsScreen(CScreen):
kvname = 'requests'
+ cards = {}
+
+ def get_card(self, req):
+ address = req['address']
+ timestamp = req.get('time', 0)
+ amount = req.get('amount')
+ expiration = req.get('exp', None)
+ status = req.get('status')
+ signature = req.get('sig')
+
+ ci = self.cards.get(address)
+ if ci is None:
+ ci = Factory.RequestItem()
+ ci.screen = self
+ ci.address = address
+ self.cards[address] = ci
+
+ ci.memo = self.app.wallet.get_label(address)
+ if amount:
+ status = req.get('status')
+ ci.status = request_text[status]
+ else:
+ received = self.app.wallet.get_addr_received(address)
+ ci.status = self.app.format_amount_and_units(amount)
+ ci.icon = pr_icon[status]
+ ci.amount = self.app.format_amount_and_units(amount) if amount else _('No Amount')
+ ci.date = format_time(timestamp)
+ return ci
def update(self):
self.menu_actions = [('Show', self.do_show), ('Details', self.do_view), ('Delete', self.do_delete)]
t@@ -482,29 +512,8 @@ class RequestsScreen(CScreen):
requests_list.clear_widgets()
_list = self.app.wallet.get_sorted_requests(self.app.electrum_config) if self.app.wallet else []
for req in _list:
- address = req['address']
- timestamp = req.get('time', 0)
- amount = req.get('amount')
- expiration = req.get('exp', None)
- status = req.get('status')
- signature = req.get('sig')
-
- ci = Factory.RequestItem()
- ci.address = address
- ci.memo = self.app.wallet.get_label(address)
- if amount:
- status = req.get('status')
- ci.status = request_text[status]
- else:
- received = self.app.wallet.get_addr_received(address)
- ci.status = self.app.format_amount_and_units(amount)
-
- ci.icon = pr_icon[status]
- ci.amount = self.app.format_amount_and_units(amount) if amount else _('No Amount')
- ci.date = format_time(timestamp)
- ci.screen = self
+ ci = self.get_card(req)
requests_list.add_widget(ci)
-
if not _list:
msg = _('This screen shows the list of payment requests you made.')
requests_list.add_widget(EmptyLabel(text=msg))