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hostsTable.py
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hostsTable.py
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from PyQt5.QtWidgets import (QWidget, QHBoxLayout,
QTableWidget, QTableWidgetItem, QCheckBox, QMenu, QAbstractItemView)
from PyQt5.QtGui import QFont, QBrush, QColor
from PyQt5.QtCore import Qt
from PyQt5.QtCore import pyqtSignal
from utils import log
class hostsTable(QTableWidget):
hosts = [] # pointer (?) to chartArea.widget.hosts, updated by... import?
hostChanged = pyqtSignal([int])
adjustTimeZones = pyqtSignal([int])
openSecondaryConsole = pyqtSignal([int])
def __init__(self):
super().__init__()
self.initTable()
def contextMenuEvent(self, event):
cmenu = QMenu(self)
#if cfg('dev'):
setTimeZone = cmenu.addAction('Manage Time Zone')
openSQLConsole = cmenu.addAction('Open SQL Console for this data provider')
# cmenu.addSeparator()
action = cmenu.exec_(self.mapToGlobal(event.pos()))
if action == setTimeZone:
i = self.currentRow()
dpidx = self.hosts[i]['dpi']
self.adjustTimeZones.emit(dpidx)
if action == openSQLConsole:
i = self.currentRow()
dpidx = self.hosts[i]['dpi']
self.openSecondaryConsole.emit(dpidx)
def cellChanged(self, nrow, ncol, prow, pcol):
#self.setVisible(False)
#log('new row is %i' % (nrow))
self.hostChanged.emit(nrow)
def hostsUpdated(self):
'''
Fills the hosts table based on self.hosts variable
(which is link to chartArea.widget.hosts
currently without cleaning, so to be called for empty table right after connection
'''
log(f'signal hostsUpdated(): {len(self.hosts)}')
self.setRowCount(len(self.hosts))
i = 0
#hlBrush = QBrush(QColor('#b6dff3'))
hlBrush = QBrush(QColor('#e0eff3'))
fromToAvailable = False
for host in self.hosts:
log(f' hostsUpdated: {host}', 5)
shadeHost = host.get('dpi', 0) % 2
self.setRowHeight(i, 10)
self.setItem(i, 2, QTableWidgetItem(host['host']))
self.setItem(i, 3, QTableWidgetItem(host['port']))
if 'db' in host:
self.setItem(i, 1, QTableWidgetItem(host['db']))
else:
self.setItem(i, 1, QTableWidgetItem(''))
if 'service' in host:
self.setItem(i, 4, QTableWidgetItem(host['service']))
else:
self.setItem(i, 4, QTableWidgetItem(''))
if 'from' in host:
fromToAvailable = True
if self.columnCount() == 5:
self.setColumnCount(7)
self.setHorizontalHeaderLabels(['', 'DB', 'host', 'port', 'service', 'from', 'to'])
self.setItem(i, 5, QTableWidgetItem(host['from'].strftime('%Y-%m-%d %H:%M:%S')))
self.setItem(i, 6, QTableWidgetItem(host['to'].strftime('%Y-%m-%d %H:%M:%S')))
if fromToAvailable == False:
if self.columnCount() == 7:
self.setColumnCount(5)
for j in range(self.columnCount()):
if shadeHost:
if self.item(i, j) is None:
self.setItem(i, j, QTableWidgetItem(''))
self.item(i, j).setBackground(hlBrush)
i+=1
self.resizeColumnsToContents();
# self.setCurrentCell(0, 0)
# change of the host to first one with following implicit call of refill(0)
currentRow = self.currentRow()
log(f'Do the imlicit refill here')
self.setCurrentCell(0, 0)
if currentRow >= 0:
log('Explicit refill call required...')
self.hostChanged.emit(0)
def initTable(self):
self.setSelectionBehavior(QAbstractItemView.SelectRows)
self.currentCellChanged.connect(self.cellChanged) # not sure why overload doesnt work
#self.horizontalHeader().setStyleSheet("background-color: red");
#self.horizontalHeader().setBackground('red');
self.setWordWrap(False)
self.setRowCount(1)
self.setRowHeight(0, 10)
#self.setColumnCount(7)
self.setColumnCount(5)
self.horizontalHeader().setFont(QFont('SansSerif', 8))
self.setFont(QFont('SansSerif', 8))
self.verticalHeader().setVisible(False)
#self.setHorizontalHeaderLabels(['', 'DB', 'host', 'service', 'port', 'from', 'to'])
self.setHorizontalHeaderLabels(['', 'DB', 'host', 'port', 'service'])
self.horizontalHeader().setMinimumSectionSize(8)
self.setColumnWidth(0, 1) # checkbox
self.setColumnWidth(1, 30) # DB
self.setColumnWidth(2, 80) # host
self.setColumnWidth(3, 40) # port
self.setColumnWidth(4, 60) # Service
#self.setColumnWidth(5, 120) # from
#self.setColumnWidth(6, 120) # to