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form_derivative.py
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form_derivative.py
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from PyQt5.QtWidgets import *
from PyQt5.QtCore import pyqtSignal as Signal
from utils import new_line_edit, new_text_edit, HLine
import tooltips as tt
class Derivative(QWidget):
"""
this widget has fields relevant to a dataset description of type derivative,
it is a logical extension to the form.
"""
modified = Signal()
def __init__(self):
super().__init__()
self.state_change_cb = None
# main layout and sub layouts (for dynamic field insertion)
self.main_layout = QGridLayout()
self.gen_by_layout = QVBoxLayout()
self.src_data_layout = QVBoxLayout()
# lists of widgets for dynamically added (and subtracted) fields
self.gen_by_ls = []
self.src_data_ls = []
# UI setup
self.setLayout(self.main_layout)
self.init_ui()
self.add_gen_by()
def init_ui(self):
"""
Initialize UI components.
Naming conventions for the labels are taken from official BIDS
specification (v1.4.0).
:return:
"""
self.main_layout.setContentsMargins(0, 0, 0, 0)
row = 0 # for main layout row count
# section separation line
h_line = HLine()
self.main_layout.addWidget(h_line, row, 0, 1, -1)
row += 1
# GeneratedBy control
gen_by_label = QLabel('GeneratedBy')
gen_by_label.setToolTip(tt.generated_by)
gen_by_add_button = QPushButton('+')
gen_by_add_button.clicked.connect(self.add_gen_by)
gen_by_remove_button = QPushButton('-')
gen_by_remove_button.clicked.connect(self.remove_gen_by)
self.main_layout.addWidget(gen_by_label, row, 0)
self.main_layout.addWidget(gen_by_remove_button, row, 1)
self.main_layout.addWidget(gen_by_add_button, row, 2)
row += 1
# GeneratedBy fields
self.main_layout.addLayout(self.gen_by_layout, row, 0, 1, -1)
row += 1
# SourceDatasets control
src_data_label = QLabel('SourceDatasets')
src_data_label.setToolTip(tt.sources_datasets)
src_data_add_button = QPushButton('+')
src_data_add_button.clicked.connect(self.add_src_data)
src_data_remove_button = QPushButton('-')
src_data_remove_button.clicked.connect(self.remove_src_data)
self.main_layout.addWidget(src_data_label, row, 0)
self.main_layout.addWidget(src_data_remove_button, row, 1)
self.main_layout.addWidget(src_data_add_button, row, 2)
row += 1
# DataSources fields
self.main_layout.addLayout(self.src_data_layout, row, 0, 1, -1)
row += 1
# spacer and stretch to push content to top left
self.main_layout.addItem(QSpacerItem(0, 0), 0, 3, -1, 1)
self.main_layout.setRowStretch(row, 1)
self.main_layout.setColumnStretch(3, 1)
def add_gen_by(self):
"""
add a GeneratedBy section to layout
:return:
"""
gen_by = GeneratedBy()
gen_by.modified.connect(self.modified.emit)
self.gen_by_layout.addWidget(gen_by)
self.gen_by_ls.append(gen_by)
self.modified.emit()
def remove_gen_by(self):
"""
remove the last GeneratedBy section from layout.
there is a requirement to have at least one GeneratedBy section if class
is initiated, therefore remove won't work if there is a single instance
of GeneratedBy section
:return:
"""
if len(self.gen_by_ls) == 1:
return
self.gen_by_layout.removeWidget(self.gen_by_ls[-1])
self.gen_by_ls[-1].deleteLater()
self.gen_by_ls = self.gen_by_ls[:-1]
self.modified.emit()
def add_src_data(self):
"""
add a SourceDatasets section to layout
:return:
"""
src_data = SourceDatasets()
src_data.modified.connect(self.modified.emit)
self.src_data_layout.addWidget(src_data)
self.src_data_ls.append(src_data)
self.modified.emit()
def remove_src_data(self):
"""
remove the last SourceDatasets section from layout
:return:
"""
if len(self.src_data_ls) == 0:
return
self.src_data_layout.removeWidget(self.src_data_ls[-1])
self.src_data_ls[-1].deleteLater()
self.src_data_ls = self.src_data_ls[:-1]
self.modified.emit()
def get_data(self):
"""
get relevant data from the user filled fields
:return:
"""
gen_by_data_ls = []
src_data_data_ls = []
for i in self.gen_by_ls:
gen_by_data_ls.append(i.get_data())
for i in self.src_data_ls:
src_data_data_ls.append(i.get_data())
data = {
'GeneratedBy': gen_by_data_ls,
'SourceDatasets': src_data_data_ls
}
return data
class GeneratedBy(QWidget):
modified = Signal()
def __init__(self):
super().__init__()
# static widgets with stored user input data
self.name_value = None
self.version_value = None
self.desc_value = None
self.url_value = None
self.cont_type_value = None
self.cont_tag_value = None
self.cont_uri_value = None
# UI setup
self.layout = QGridLayout()
self.setLayout(self.layout)
self.init_ui()
def init_ui(self):
self.layout.setContentsMargins(0, 0, 0, 0)
row = 0
# Name
name_label = QLabel('Name')
name_label.setToolTip(tt.gen_name)
self.name_value = new_line_edit(self.modified.emit)
self.name_value.setPlaceholderText('Required')
self.layout.addWidget(name_label, row, 0)
self.layout.addWidget(self.name_value, row, 1, 1, -1)
row += 1
# Version
version_label = QLabel('Version')
version_label.setToolTip(tt.gen_version)
self.version_value = new_line_edit(self.modified.emit)
self.layout.addWidget(version_label, row, 0)
self.layout.addWidget(self.version_value, row, 1, 1, -1)
row += 1
# Description
desc_label = QLabel('Description')
desc_label.setToolTip(tt.gen_description)
self.desc_value = new_text_edit(self.modified.emit)
self.desc_value.setFixedHeight(80)
self.layout.addWidget(desc_label, row, 0)
row += 1
self.layout.addWidget(self.desc_value, row, 0, 1, -1)
row += 1
# CodeURL
url_label = QLabel('CodeURL')
url_label.setToolTip(tt.gen_code_url)
self.url_value = new_line_edit(self.modified.emit)
self.layout.addWidget(url_label, row, 0)
self.layout.addWidget(self.url_value, row, 1, 1, -1)
row += 1
# Container
cont_label = QLabel('Container')
cont_label.setToolTip(tt.gen_container)
self.layout.addWidget(cont_label, row, 0)
row += 1
cont_type_label = QLabel('Type')
self.cont_type_value = new_line_edit(self.modified.emit)
self.layout.addWidget(cont_type_label, row, 1)
self.layout.addWidget(self.cont_type_value, row, 2, 1, -1)
row += 1
cont_tag_label = QLabel('Tag')
self.cont_tag_value = new_line_edit(self.modified.emit)
self.layout.addWidget(cont_tag_label, row, 1)
self.layout.addWidget(self.cont_tag_value, row, 2, 1, -1)
row += 1
cont_uri_label = QLabel('URI')
self.cont_uri_value = new_line_edit(self.modified.emit)
self.layout.addWidget(cont_uri_label, row, 1)
self.layout.addWidget(self.cont_uri_value, row, 2, 1, -1)
row += 1
# separator line
h_line = HLine()
self.layout.addWidget(h_line, row, 1, 1, -1)
row += 1
# spacer to push content to top
self.layout.addItem(QSpacerItem(0, 0), row, 0, 2, -1)
def get_data(self):
"""
get relevant data from the user filled fields
:return:
"""
data = {
'Name': self.name_value.text(),
'Version': self.version_value.text(),
'Description': self.desc_value.toPlainText(),
'CodeURL': self.url_value.text(),
'Container': {
'Type': self.cont_type_value.text(),
'Tag': self.cont_tag_value.text(),
'URI': self.cont_uri_value.text(),
}
}
return data
class SourceDatasets(QWidget):
modified = Signal()
def __init__(self):
super().__init__()
# static widgets with stored user input data
self.doi_value = None
self.url_value = None
self.version_value = None
# UI setup
self.layout = QGridLayout()
self.setLayout(self.layout)
self.init_ui()
def init_ui(self):
self.layout.setContentsMargins(0, 0, 0, 0)
row = 0
# DOI
doi_label = QLabel('DOI')
self.doi_value = new_line_edit(self.modified.emit)
self.layout.addWidget(doi_label, row, 0)
self.layout.addWidget(self.doi_value, row, 1, 1, -1)
row += 1
# URL
url_label = QLabel('URL')
self.url_value = new_line_edit(self.modified.emit)
self.layout.addWidget(url_label, row, 0)
self.layout.addWidget(self.url_value, row, 1, 1, -1)
row += 1
# Version
version_label = QLabel('Version')
self.version_value = new_line_edit(self.modified.emit)
self.layout.addWidget(version_label, row, 0)
self.layout.addWidget(self.version_value, row, 1, 1, -1)
row += 1
# separator line
h_line = HLine()
self.layout.addWidget(h_line, row, 1, 1, -1)
row += 1
# spacer to push content to top
self.layout.addItem(QSpacerItem(0, 0), row, 0, 2, -1)
def get_data(self):
"""
get relevant data from the user filled fields
:return:
"""
data = {
'DOI': self.doi_value.text(),
'URL': self.url_value.text(),
'Version': self.version_value.text()
}
return data