Implement input event load dialog with loading gif and debouncing

bulk_reminders/load.py

@@ -0,0 +1,52 @@
+import os
+import re
+from typing import List
+
+from PyQt5.QtCore import QSize, QTimer
+from PyQt5.QtGui import QMovie
+from PyQt5.QtWidgets import QApplication, QDialog, QLabel
+
+from bulk_reminders.api import Event
+from bulk_reminders.load_base import Ui_Dialog
+
+REGEX = re.compile(
+    r'\s*([\w\d\s,.;\'!\[\]()]{1,})\s+\|\s+(\d{4}-\d{2}-\d{2})\s+(\d{1,2}:\d{2}(?:AM|PM))?\s*(\d{4}-\d{2}-\d{2})(\d{1,2}:\d{2}(?:AM|PM))?')
+
+
+class LoadDialog(QDialog, Ui_Dialog):
+    def __init__(self, *args, **kwargs):
+        super(QDialog, self).__init__(*args, **kwargs)
+        self.setupUi(self)
+
+        self.spinner = QLabel()
+        path = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'loading.gif')
+        self.movie = QMovie(path)
+        self.movie.setScaledSize(QSize(26, 26))
+        self.spinner.setMovie(self.movie)
+        self.movie.start()
+        self.spinner.hide()
+        self.spinner.setFixedSize(23, 23)
+        self.horizontalLayout.addWidget(self.spinner)
+
+        self.plainTextEdit.textChanged.connect(self.edited)
+        self.parseTimer = QTimer()
+        self.parseTimer.timeout.connect(self.parse)
+        self.parseTimer.setSingleShot(True)
+
+        self.show()
+        self.parse()
+
+        self.parsed: List[Event] = []
+
+    def parse(self) -> None:
+        """Parse the events entered into the dialog"""
+        self.spinner.hide()
+        results = [result.groups() for result in re.finditer(REGEX, self.plainTextEdit.toPlainText())]
+        self.eventCountLabel.setText(f'{len(results)} group{"s" if len(results) != 0 else ""} found.')
+        self.parsed = list(map(Event.parse_raw, results))
+
+    def edited(self) -> None:
+        """Prepare a timer to be fired to parse the edited text"""
+        self.parseTimer.stop()
+        self.spinner.show()
+        self.parseTimer.start(500)  # 0.5 seconds

bulk_reminders/load.ui

@@ -0,0 +1,88 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Load Events</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <widget class="QPlainTextEdit" name="plainTextEdit"/>
+   </item>
+   <item row="1" column="0">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QToolButton" name="toolButton">
+       <property name="text">
+        <string>...</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QLabel" name="eventCountLabel">
+       <property name="text">
+        <string>3 events found.</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QDialogButtonBox" name="buttonBox">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="standardButtons">
+        <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+       </property>
+       <property name="centerButtons">
+        <bool>false</bool>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>Dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>

bulk_reminders/load_base.py

@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+
+# Form implementation generated from reading ui file 'load.ui'
+#
+# Created by: PyQt5 UI code generator 5.15.4
+#
+# WARNING: Any manual changes made to this file will be lost when pyuic5 is
+# run again.  Do not edit this file unless you know what you are doing.
+
+
+from PyQt5 import QtCore, QtGui, QtWidgets
+
+
+class Ui_Dialog(object):
+    def setupUi(self, Dialog):
+        Dialog.setObjectName("Dialog")
+        Dialog.resize(400, 300)
+        self.gridLayout = QtWidgets.QGridLayout(Dialog)
+        self.gridLayout.setObjectName("gridLayout")
+        self.plainTextEdit = QtWidgets.QPlainTextEdit(Dialog)
+        self.plainTextEdit.setObjectName("plainTextEdit")
+        self.gridLayout.addWidget(self.plainTextEdit, 0, 0, 1, 1)
+        self.horizontalLayout = QtWidgets.QHBoxLayout()
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.toolButton = QtWidgets.QToolButton(Dialog)
+        self.toolButton.setObjectName("toolButton")
+        self.horizontalLayout.addWidget(self.toolButton)
+        self.eventCountLabel = QtWidgets.QLabel(Dialog)
+        self.eventCountLabel.setObjectName("eventCountLabel")
+        self.horizontalLayout.addWidget(self.eventCountLabel)
+        self.buttonBox = QtWidgets.QDialogButtonBox(Dialog)
+        self.buttonBox.setOrientation(QtCore.Qt.Horizontal)
+        self.buttonBox.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox.setCenterButtons(False)
+        self.buttonBox.setObjectName("buttonBox")
+        self.horizontalLayout.addWidget(self.buttonBox)
+        self.gridLayout.addLayout(self.horizontalLayout, 1, 0, 1, 1)
+
+        self.retranslateUi(Dialog)
+        self.buttonBox.accepted.connect(Dialog.accept)
+        self.buttonBox.rejected.connect(Dialog.reject)
+        QtCore.QMetaObject.connectSlotsByName(Dialog)
+
+    def retranslateUi(self, Dialog):
+        _translate = QtCore.QCoreApplication.translate
+        Dialog.setWindowTitle(_translate("Dialog", "Load Events"))
+        self.toolButton.setText(_translate("Dialog", "..."))
+        self.eventCountLabel.setText(_translate("Dialog", "3 events found."))