94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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from ..Qt import QtGui, QtCore
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from . import VerticalLabel
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__all__ = ['CheckTable']
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class CheckTable(QtGui.QWidget):
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sigStateChanged = QtCore.Signal(object, object, object) # (row, col, state)
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def __init__(self, columns):
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QtGui.QWidget.__init__(self)
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self.layout = QtGui.QGridLayout()
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self.layout.setSpacing(0)
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self.setLayout(self.layout)
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self.headers = []
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self.columns = columns
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col = 1
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for c in columns:
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label = VerticalLabel.VerticalLabel(c, orientation='vertical')
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self.headers.append(label)
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self.layout.addWidget(label, 0, col)
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col += 1
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self.rowNames = []
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self.rowWidgets = []
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self.oldRows = {} ## remember settings from removed rows; reapply if they reappear.
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def updateRows(self, rows):
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for r in self.rowNames[:]:
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if r not in rows:
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self.removeRow(r)
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for r in rows:
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if r not in self.rowNames:
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self.addRow(r)
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def addRow(self, name):
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label = QtGui.QLabel(name)
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row = len(self.rowNames)+1
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self.layout.addWidget(label, row, 0)
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checks = []
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col = 1
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for c in self.columns:
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check = QtGui.QCheckBox('')
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check.col = c
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check.row = name
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self.layout.addWidget(check, row, col)
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checks.append(check)
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if name in self.oldRows:
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check.setChecked(self.oldRows[name][col])
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col += 1
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#QtCore.QObject.connect(check, QtCore.SIGNAL('stateChanged(int)'), self.checkChanged)
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check.stateChanged.connect(self.checkChanged)
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self.rowNames.append(name)
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self.rowWidgets.append([label] + checks)
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def removeRow(self, name):
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row = self.rowNames.index(name)
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self.oldRows[name] = self.saveState()['rows'][row] ## save for later
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self.rowNames.pop(row)
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for w in self.rowWidgets[row]:
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w.setParent(None)
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#QtCore.QObject.disconnect(w, QtCore.SIGNAL('stateChanged(int)'), self.checkChanged)
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if isinstance(w, QtGui.QCheckBox):
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w.stateChanged.disconnect(self.checkChanged)
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self.rowWidgets.pop(row)
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for i in range(row, len(self.rowNames)):
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widgets = self.rowWidgets[i]
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for j in range(len(widgets)):
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widgets[j].setParent(None)
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self.layout.addWidget(widgets[j], i+1, j)
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def checkChanged(self, state):
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check = QtCore.QObject.sender(self)
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#self.emit(QtCore.SIGNAL('stateChanged'), check.row, check.col, state)
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self.sigStateChanged.emit(check.row, check.col, state)
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def saveState(self):
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rows = []
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for i in range(len(self.rowNames)):
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row = [self.rowNames[i]] + [c.isChecked() for c in self.rowWidgets[i][1:]]
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rows.append(row)
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return {'cols': self.columns, 'rows': rows}
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def restoreState(self, state):
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rows = [r[0] for r in state['rows']]
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self.updateRows(rows)
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for r in state['rows']:
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rowNum = self.rowNames.index(r[0])
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for i in range(1, len(r)):
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self.rowWidgets[rowNum][i].setChecked(r[i])
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