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"""
***************************************************************************
FixedTableDialog.py
---------------------
Date : August 2012
Copyright : (C) 2012 by Victor Olaya
Email : volayaf at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = "Victor Olaya"
__date__ = "August 2012"
__copyright__ = "(C) 2012, Victor Olaya"
import os
import warnings
from qgis.gui import QgsGui
from qgis.PyQt import uic
from qgis.PyQt.QtWidgets import (
QDialog,
QPushButton,
QAbstractItemView,
QDialogButtonBox,
)
from qgis.PyQt.QtGui import QStandardItemModel, QStandardItem
pluginPath = os.path.split(os.path.dirname(__file__))[0]
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=DeprecationWarning)
WIDGET, BASE = uic.loadUiType(os.path.join(pluginPath, "ui", "DlgFixedTable.ui"))
class FixedTableDialog(BASE, WIDGET):
def __init__(self, param, table):
"""
Constructor for FixedTableDialog
:param param: linked processing parameter
:param table: initial table contents - squashed to 1-dimensional!
"""
super().__init__(None)
self.setupUi(self)
QgsGui.instance().enableAutoGeometryRestore(self)
self.tblView.setSelectionBehavior(
QAbstractItemView.SelectionBehavior.SelectRows
)
self.tblView.setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection)
self.param = param
self.rettable = None
# Additional buttons
self.btnAdd = QPushButton(self.tr("Add row"))
self.buttonBox.addButton(self.btnAdd, QDialogButtonBox.ButtonRole.ActionRole)
self.btnRemove = QPushButton(self.tr("Remove row(s)"))
self.buttonBox.addButton(self.btnRemove, QDialogButtonBox.ButtonRole.ActionRole)
self.btnRemoveAll = QPushButton(self.tr("Remove all"))
self.buttonBox.addButton(
self.btnRemoveAll, QDialogButtonBox.ButtonRole.ActionRole
)
self.btnAdd.clicked.connect(self.addRow)
self.btnRemove.clicked.connect(lambda: self.removeRows())
self.btnRemoveAll.clicked.connect(lambda: self.removeRows(True))
if self.param.hasFixedNumberRows():
self.btnAdd.setEnabled(False)
self.btnRemove.setEnabled(False)
self.btnRemoveAll.setEnabled(False)
self.populateTable(table)
def populateTable(self, table):
cols = len(self.param.headers())
rows = len(table) // cols
model = QStandardItemModel(rows, cols)
# Set headers
model.setHorizontalHeaderLabels(self.param.headers())
# Populate table
for row in range(rows):
for col in range(cols):
item = QStandardItem(str(table[row * cols + col]))
model.setItem(row, col, item)
self.tblView.setModel(model)
def accept(self):
cols = self.tblView.model().columnCount()
rows = self.tblView.model().rowCount()
# Table MUST BE 1-dimensional to match core QgsProcessingParameterMatrix expectations
self.rettable = []
for row in range(rows):
for col in range(cols):
self.rettable.append(str(self.tblView.model().item(row, col).text()))
QDialog.accept(self)
def reject(self):
QDialog.reject(self)
def removeRows(self, removeAll=False):
if removeAll:
self.tblView.model().clear()
self.tblView.model().setHorizontalHeaderLabels(self.param.headers())
else:
indexes = sorted(self.tblView.selectionModel().selectedRows())
self.tblView.setUpdatesEnabled(False)
for i in reversed(indexes):
self.tblView.model().removeRows(i.row(), 1)
self.tblView.setUpdatesEnabled(True)
def addRow(self):
items = [QStandardItem("0") for i in range(self.tblView.model().columnCount())]
self.tblView.model().appendRow(items)
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