Task 1 - Smart Notes

from PyQt5.QtCore import Qt

from PyQt5.QtWidgets import (
    QApplication, QWidget, QPushButton,
    QLabel, QListWidget, QLineEdit,
    QTextEdit, QInputDialog, QHBoxLayout,
    QVBoxLayout, QFormLayout)

import json

app = QApplication([])

'''Application interface'''
# Application window parameters
notes_win = QWidget()
notes_win.setWindowTitle('Smart Notes')
notes_win.resize(900, 600)

# Application window widgets
# List widget: List of notes [New this week!]
list_notes = QListWidget()
list_notes_label = QLabel('List of notes')

# Buttons under the list of notes
button_note_create = QPushButton('Create note')
button_note_del = QPushButton('Delete note')
button_note_save = QPushButton('Save note')

# Creates a field to insert tags [New this week!]
field_tag = QLineEdit('') # Creates a blank field
field_tag.setPlaceholderText('Enter tag...') # Text prompt inside the field
field_text = QTextEdit() # Field for entering text

# Buttons for all the tags
button_add = QPushButton('Add to note')
button_del = QPushButton('Untag from note')
button_search = QPushButton('Search notes by tag')

# List widget: List of tags
list_tags = QListWidget()
list_tags_label = QLabel('List of tags')

# Arranging widgets by layout
layout_notes = QHBoxLayout()
col_1 = QVBoxLayout()
col_1.addWidget(field_text) # This is where you type the note!

col_2 = QVBoxLayout()
col_2.addWidget(list_notes_label)   # Label - List of notes
col_2.addWidget(list_notes)         # List of notes

row_1 = QHBoxLayout()
row_1.addWidget(button_note_create) # Create and delete buttons in Row 1
row_1.addWidget(button_note_del)

row_2 = QHBoxLayout()
row_2.addWidget(button_note_save)   # Save button in Row 2
col_2.addLayout(row_1)              # Add Row 1 and Row 2 onto Col 2
col_2.addLayout(row_2)

# In column 2, we also have the tags!
col_2.addWidget(list_tags_label)    # Label - tags
col_2.addWidget(list_tags)          # List of tags
col_2.addWidget(field_tag)          # Key in tags

row_3 = QHBoxLayout()               # Column 2 has two more rows
row_3.addWidget(button_add)         # Row 3 - add, delete buttons
row_3.addWidget(button_del)
row_4 = QHBoxLayout()
row_4.addWidget(button_search)      # Row 4 - Search

col_2.addLayout(row_3)              # Add Row 3 and 4 onto Col 2
col_2.addLayout(row_4)

layout_notes.addLayout(col_1, stretch = 2)      # STRETCHING FACTOR
layout_notes.addLayout(col_2, stretch = 1)
notes_win.setLayout(layout_notes)

# Run the application
notes_win.show()
app.exec_()