Mercurial Repositories > MQTT Monitor / file comparison
comparison: MqttMonitor/MqttUserPropertiesEditor.py
MqttMonitor/MqttUserPropertiesEditor.py
- branch
- eric7
- changeset 102
- 70b8858199f5
- child 103
- 5fe4f179975f
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| 101:0eae5f616154 | 102:70b8858199f5 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing an editor for MQTT v5 user properties. | |
| 8 """ | |
| 9 | |
| 10 from PyQt6.QtCore import pyqtSlot | |
| 11 from PyQt6.QtWidgets import QDialog, QTableWidgetItem | |
| 12 | |
| 13 from .Ui_MqttUserPropertiesEditor import Ui_MqttUserPropertiesEditor | |
| 14 | |
| 15 import UI.PixmapCache | |
| 16 | |
| 17 | |
| 18 class MqttUserPropertiesEditor(QDialog, Ui_MqttUserPropertiesEditor): | |
| 19 """ | |
| 20 Class implementing an editor for MQTT v5 user properties. | |
| 21 """ | |
| 22 def __init__(self, header, properties, parent=None): | |
| 23 """ | |
| 24 Constructor | |
| 25 | |
| 26 @param header text to be shown in the dialog header label | |
| 27 @type str | |
| 28 @param properties list of defined user properties | |
| 29 @type list of tuple of (str, str) | |
| 30 @param parent reference to the parent widget (defaults to None) | |
| 31 @type QWidget (optional) | |
| 32 """ | |
| 33 super().__init__(parent) | |
| 34 self.setupUi(self) | |
| 35 | |
| 36 self.addButton.setIcon(UI.PixmapCache.getIcon("plus")) | |
| 37 self.deleteButton.setIcon(UI.PixmapCache.getIcon("minus")) | |
| 38 self.clearButton.setIcon(UI.PixmapCache.getIcon("editDelete")) | |
| 39 | |
| 40 self.headerLabel.setText(header) | |
| 41 | |
| 42 if properties: | |
| 43 self.propertiesTable.setRowCount(len(properties)) | |
| 44 for row, (key, value) in enumerate(properties): | |
| 45 self.propertiesTable.setItem(row, 0, QTableWidgetItem(key)) | |
| 46 self.propertiesTable.setItem(row, 1, QTableWidgetItem(value)) | |
| 47 | |
| 48 self.deleteButton.setEnabled(False) | |
| 49 | |
| 50 @pyqtSlot() | |
| 51 def on_propertiesTable_itemSelectionChanged(self): | |
| 52 """ | |
| 53 Private slot to handle the selection of rows. | |
| 54 """ | |
| 55 self.deleteButton.setEnabled( | |
| 56 bool(self.propertiesTable.selectedItems())) | |
| 57 | |
| 58 @pyqtSlot() | |
| 59 def on_addButton_clicked(self): | |
| 60 """ | |
| 61 Private slot to add a row to the table. | |
| 62 """ | |
| 63 self.propertiesTable.setRowCount(self.propertiesTable.rowCount() + 1) | |
| 64 self.propertiesTable.setCurrentCell( | |
| 65 self.propertiesTable.rowCount() - 1, 0) | |
| 66 | |
| 67 @pyqtSlot() | |
| 68 def on_deleteButton_clicked(self): | |
| 69 """ | |
| 70 Private slot to delete the selected rows. | |
| 71 """ | |
| 72 selectedRanges = self.propertiesTable.selectedRanges() | |
| 73 selectedRows = [(r.bottomRow(), r.topRow()) for r in selectedRanges] | |
| 74 for bottomRow, topRow in sorted(selectedRows, reverse=True): | |
| 75 for row in range(bottomRow, topRow - 1, -1): | |
| 76 self.propertiesTable.removeRow(row) | |
| 77 | |
| 78 @pyqtSlot() | |
| 79 def on_clearButton_clicked(self): | |
| 80 """ | |
| 81 Private slot to delete all properties. | |
| 82 """ | |
| 83 self.propertiesTable.clearContents() | |
| 84 self.propertiesTable.setRowCount(10) | |
| 85 self.propertiesTable.setCurrentCell(0, 0) | |
| 86 | |
| 87 def getProperties(self): | |
| 88 """ | |
| 89 Public method to get the list of defined user properties. | |
| 90 | |
| 91 @return list of defined user properties | |
| 92 @rtype list of tuple of (str, str) | |
| 93 """ | |
| 94 properties = [] | |
| 95 | |
| 96 for row in range(self.propertiesTable.rowCount()): | |
| 97 keyItem = self.propertiesTable.item(row, 0) | |
| 98 key = keyItem.text() if keyItem else "" | |
| 99 if key: | |
| 100 valueItem = self.propertiesTable.item(row, 1) | |
| 101 value = valueItem.text() if valueItem else "" | |
| 102 properties.append((key, value)) | |
| 103 | |
| 104 return properties |
