Fix multiple bugs with data refresh

res/ui/informations_tab.ui

@@ -38,8 +38,8 @@ QGroupBox::title {
        <rect>
         <x>0</x>
         <y>0</y>
-        <width>518</width>
-        <height>717</height>
+        <width>522</width>
+        <height>721</height>
        </rect>
       </property>
       <layout class="QVBoxLayout" name="verticalLayout_5">
@@ -58,7 +58,7 @@ QGroupBox::title {
           <item>
            <widget class="QLabel" name="label_general">
             <property name="text">
-             <string>label_general</string>
+             <string/>
             </property>
             <property name="scaledContents">
              <bool>false</bool>
@@ -80,7 +80,7 @@ QGroupBox::title {
           <item>
            <widget class="QLabel" name="label_rules">
             <property name="text">
-             <string>label_rules</string>
+             <string/>
             </property>
             <property name="alignment">
              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
@@ -99,7 +99,7 @@ QGroupBox::title {
           <item>
            <widget class="QLabel" name="label_money">
             <property name="text">
-             <string>label_money</string>
+             <string/>
             </property>
             <property name="alignment">
              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
@@ -118,7 +118,7 @@ QGroupBox::title {
           <item>
            <widget class="QLabel" name="label_wot">
             <property name="text">
-             <string>label_wot</string>
+             <string/>
             </property>
             <property name="alignment">
              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>

src/cutecoin/gui/identities_tab.py

@@ -56,6 +56,8 @@ class IdentitiesTabWidget(QWidget, Ui_IdentitiesTab):
         self.table_identities.customContextMenuRequested.connect(self.identity_context_menu)
         self.table_identities.sortByColumn(0, Qt.AscendingOrder)
         self.table_identities.resizeColumnsToContents()
+        identities_model.modelAboutToBeReset.connect(lambda: self.table_identities.setEnabled(False))
+        identities_model.modelReset.connect(lambda: self.table_identities.setEnabled(True))
 
         members_action = QAction(self.tr("Members"), self)
         members_action.triggered.connect(self._async_search_members)

src/cutecoin/gui/informations_tab.py

@@ -10,9 +10,9 @@ import math
 from PyQt5.QtCore import QLocale, QDateTime, QEvent
 from PyQt5.QtWidgets import QWidget
 from ..gen_resources.informations_tab_uic import Ui_InformationsTabWidget
-from ..tools.decorators import asyncify
+from ..tools.decorators import asyncify, once_at_a_time, cancel_once_task
 from ..tools.exceptions import NoPeerAvailable
-
+from .widgets import Busy
 
 class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
     """
@@ -28,16 +28,19 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
         :return:
         """
         super().__init__()
+        self.setupUi(self)
         self.app = app
         self.account = None
         self.community = None
-
-        self.setupUi(self)
+        self.busy = Busy(self.scrollArea)
+        self.busy.hide()
 
     def change_account(self, account):
+        cancel_once_task(self, self.refresh_labels)
         self.account = account
 
     def change_community(self, community):
+        cancel_once_task(self, self.refresh_labels)
         self.community = community
         self.refresh()
 
@@ -45,9 +48,11 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
         if self.account and self.community:
             self.refresh_labels()
 
+    @once_at_a_time
     @asyncify
     @asyncio.coroutine
     def refresh_labels(self):
+        self.busy.show()
         #  try to request money parameters
         try:
             params = yield from self.community.parameters()
@@ -230,6 +235,11 @@ class InformationsTabWidget(QWidget, Ui_InformationsTabWidget):
                 self.tr('Maximum distance between each WoT member and a newcomer'),
             )
         )
+        self.busy.hide()
+
+    def resizeEvent(self, event):
+        self.busy.resize(event.size())
+        super().resizeEvent(event)
 
     def changeEvent(self, event):
         """

src/cutecoin/gui/network_tab.py

@@ -39,6 +39,8 @@ class NetworkTabWidget(QWidget, Ui_NetworkTabWidget):
         self.table_network.setModel(proxy)
         self.table_network.sortByColumn(0, Qt.DescendingOrder)
         self.table_network.resizeColumnsToContents()
+        model.modelAboutToBeReset.connect(lambda: self.table_network.setEnabled(False))
+        model.modelReset.connect(lambda: self.table_network.setEnabled(True))
 
     def change_community(self, community):
         if self.community:

src/cutecoin/gui/transactions_tab.py

@@ -58,6 +58,10 @@ class TransactionsTabWidget(QWidget, Ui_transactionsTabWidget):
         self.table_history.setSortingEnabled(True)
         self.table_history.horizontalHeader().setSectionResizeMode(QHeaderView.Interactive)
         self.table_history.resizeColumnsToContents()
+
+        model.modelAboutToBeReset.connect(lambda: self.table_history.setEnabled(False))
+        model.modelReset.connect(lambda: self.table_history.setEnabled(True))
+
         self.progressbar.hide()
         self.refresh()
 

src/cutecoin/gui/widgets/__init__.py

-__author__ = 'inso'
+from .busy import Busy
+from .dialogs import QAsyncMessageBox
\ No newline at end of file

src/cutecoin/models/identities.py

@@ -104,12 +104,21 @@ class IdentitiesTableModel(QAbstractTableModel):
     @property
     def pubkeys(self):
         """
-        Get pubkeys of displayed identities
+        Ge
+    def resizeEvent(self, event):
+        self.busy.resize(event.size())
+        super().resizeEvent(event)t pubkeys of displayed identities
         """
         return [i[1] for i in self.identities_data]
 
     @asyncio.coroutine
     def identity_data(self, identity):
+        """
+        Return the identity in the form a tuple to display
+        :param cutecoin.core.registry.Identity identity: The identity to get data from
+        :return: The identity data in the form of a tuple
+        :rtype: tuple
+        """
         try:
             join_date = yield from identity.get_join_date(self.community)
             expiration_date = yield from identity.get_expiration_date(self.community)
@@ -117,7 +126,7 @@ class IdentitiesTableModel(QAbstractTableModel):
             join_date = None
             expiration_date = None
 
-        return (identity.uid, identity.pubkey, join_date, expiration_date)
+        return identity.uid, identity.pubkey, join_date, expiration_date
 
     @asyncio.coroutine
     def refresh_identities(self, identities):

src/cutecoin/models/network.py

@@ -11,7 +11,7 @@ from PyQt5.QtCore import QAbstractTableModel, Qt, QVariant, QSortFilterProxyMode
 from PyQt5.QtGui import QColor, QFont
 
 from ..tools.exceptions import NoPeerAvailable
-from ..tools.decorators import asyncify, once_at_a_time
+from ..tools.decorators import asyncify, once_at_a_time, cancel_once_task
 from cutecoin.core.net.node import Node
 
 
@@ -139,6 +139,7 @@ class NetworkTableModel(QAbstractTableModel):
         self.nodes_data = []
 
     def change_community(self, community):
+        cancel_once_task(self, self.refresh_nodes)
         self.community = community
         self.refresh_nodes()
 
@@ -173,13 +174,12 @@ class NetworkTableModel(QAbstractTableModel):
         return (address, port, number, block_hash, node.uid,
                 is_member, node.pubkey, node.software, node.version, is_root, node.state)
 
+    @once_at_a_time
     @asyncify
     @asyncio.coroutine
     def refresh_nodes(self):
         self.beginResetModel()
         self.nodes_data = []
-        self.endResetModel()
-        self.beginResetModel()
         nodes_data = []
         if self.community:
             for node in self.community.network.nodes: