removing unused code

BandTableWidget.py

@@ -23,25 +23,17 @@ __date__ = '2021-09-14'
 __copyright__ = '(C) 2021 by J. Pierson, UMR 6554 LETG, CNRS'
 
 import os
-import codecs
 
 from qgis.PyQt import uic
-from qgis.PyQt.QtCore import pyqtSlot, QDir
+from qgis.PyQt.QtCore import pyqtSlot
 from qgis.PyQt.QtWidgets import (QTreeWidgetItem,
-                                 QFileDialog,
                                  QMessageBox,
                                  QInputDialog,
-                                 QColorDialog
                                  )
-from qgis.PyQt.QtXml import QDomDocument
-
 from qgis.core import (QgsApplication, 
                        QgsMapLayer,
                        QgsMapLayerProxyModel)
-from qgis.analysis import QgsRelief
-
 from processing.gui.wrappers import WidgetWrapper
-from processing.tools import system
 from osgeo import gdal
 
 pluginPath = os.path.dirname(__file__)
@@ -91,6 +83,7 @@ class BandTableWidget(BASE, WIDGET):
     def _removeBandData(self,):
         self.bandClassTree.clear()
 
+    # remove selected line in table when remove button is clicked
     @pyqtSlot()
     def on_btnRemove_clicked(self):
         selectedItems = self.bandClassTree.selectedItems()
@@ -98,6 +91,7 @@ class BandTableWidget(BASE, WIDGET):
             self.bandClassTree.invisibleRootItem().removeChild(item)
             item = None
     
+    # move down selected line in table when down button is clicked
     @pyqtSlot()
     def on_btnDown_clicked(self):
         selectedItems = self.bandClassTree.selectedItems()
@@ -108,6 +102,7 @@ class BandTableWidget(BASE, WIDGET):
                 self.bandClassTree.insertTopLevelItem(currentIndex + 1, item)
                 self.bandClassTree.setCurrentItem(item)
     
+    # move up selected line in table when up button is clicked
     @pyqtSlot()
     def on_btnUp_clicked(self):
         selectedItems = self.bandClassTree.selectedItems()
@@ -118,6 +113,7 @@ class BandTableWidget(BASE, WIDGET):
                 self.bandClassTree.insertTopLevelItem(currentIndex - 1, item)
                 self.bandClassTree.setCurrentItem(item)
 
+    # when a cell in 3rd column is clicked, open dialog box for entering value
     @pyqtSlot(QTreeWidgetItem, int)
     def on_bandClassTree_itemDoubleClicked(self, item, column):
         if not item:
@@ -131,6 +127,8 @@ class BandTableWidget(BASE, WIDGET):
             if ok:
                 item.setText(2, str(d))
 
+    # return table values in a list, one element for each row
+    # [['band 1', 'old name 1', 'new name 1'], ['band 2', 'old name 2', 'new name 2']]
     def bandNames(self):
         band_names = []
         for i in range(self.bandClassTree.topLevelItemCount()):
@@ -140,9 +138,6 @@ class BandTableWidget(BASE, WIDGET):
                 band_names.append(row)
         return band_names
 
-    def layerName(self):
-        pass
-
     def setLayer(self, layer):
         QMessageBox.information(None, self.tr('tralala'), self.tr('coucou'))
         self.layer = layer

merge_rename_bands_algorithm.py

@@ -31,18 +31,12 @@ __copyright__ = '(C) 2021 by J. Pierson, UMR 6554 LETG, CNRS'
 __revision__ = '$Format:%H$'
 
 from qgis.PyQt.QtCore import QCoreApplication
-from qgis.PyQt.QtGui import QIcon, QColor
 from qgis.core import (QgsProcessing,
                        QgsProcessingAlgorithm,
                        QgsProcessingParameterRasterLayer,
-                       QgsProcessingParameterMatrix,
                        QgsProcessingParameterDefinition,
                        QgsProcessingParameterString,
                        QgsProcessingParameterRasterDestination)
-from processing.algs.qgis.QgisAlgorithm import QgisAlgorithm
-from processing.gui.wrappers import WidgetWrapper
-#import BandTableWidget
-from qgis.PyQt.QtWidgets import QTableWidget
 from osgeo import gdal
 
 # custom band table widget
@@ -74,32 +68,6 @@ class ParameterBandTable(QgsProcessingParameterDefinition):
             return value.split(';')
 
 
-class TableWidget(WidgetWrapper):
-    """
-    QTable widget
-    """
-
-    def createWidget(self):
-        self._combo = QTableWidget()
-        # row count
-        self._combo.setRowCount(1) 
-        # column count
-        self._combo.setColumnCount(2)
-        # column headers
-        self._combo.setHorizontalHeaderLabels(["Name", "Future name"])
-
-        return self._combo
-
-    def value(self):
-        # retrieve table values [["name 1", "future name 1"], ["name 2", "future name 2"], ...]
-        table = []
-        nrow = self._combo.rowCount()
-        #ncol = self._combo.columnCount()
-        for i in range(nrow):
-            table.append([self._combo.cellWidget(i, 0), self._combo.cellWidget(i, 1)])
-        return table
-
-
 class MergeAndRenameAlgorithm(QgsProcessingAlgorithm):
     """
     This is an algorithm that takes a raster layer and
@@ -143,8 +111,6 @@ class MergeAndRenameAlgorithm(QgsProcessingAlgorithm):
         """
 
         # RETRIEVE INPUTS AND OUTPUT
-        #input_param = self.parameterAsRasterLayer(parameters, self.INPUT, context)
-        #bandData = ParameterBandTable.parseValue(parameters[self.INPUT])
         band_data = ParameterBandTable.tableValuesAsList(parameters[self.INPUT])
         output_raster_path = self.parameterAsOutputLayer(parameters, self.OUTPUT, context)