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