class SourceWidget(QWidget):
"""
Used to display summary information about a source in the list view.
"""
CSS = '''
QWidget#color_bar {
background-color: #9211ff;
}
QLabel#source_name {
font-family: Open Sans;
font-size: 16px;
font-weight: bold;
color: #000;
}
QLabel#timestamp {
font-family: Open Sans;
font-size: 12px;
color: #000;
}
'''
def __init__(self, source: Source):
super().__init__()
# Store source
self.source = source
# Set css id
self.setObjectName('source_widget')
# Set styles
self.setStyleSheet(self.CSS)
# Set layout
layout = QVBoxLayout(self)
self.setLayout(layout)
# Remove margins and spacing
layout.setContentsMargins(10, 10, 10, 10)
layout.setSpacing(0)
# Set up gutter
self.gutter = QWidget()
self.gutter.setObjectName('gutter')
self.gutter.setFixedWidth(30)
gutter_layout = QVBoxLayout(self.gutter)
gutter_layout.setContentsMargins(0, 0, 0, 0)
gutter_layout.setSpacing(0)
self.star = StarToggleButton(self.source)
spacer = QWidget()
gutter_layout.addWidget(self.star)
gutter_layout.addWidget(spacer)
# Set up summary
self.summary = QWidget()
self.summary.setObjectName('summary')
summary_layout = QVBoxLayout(self.summary)
summary_layout.setContentsMargins(0, 0, 0, 0)
summary_layout.setSpacing(0)
self.name = QLabel()
self.name.setObjectName('source_name')
self.preview = QLabel('')
self.preview.setObjectName('preview')
self.preview.setWordWrap(True)
summary_layout.addWidget(self.name)
summary_layout.addWidget(self.preview)
# Set up metadata
self.metadata = QWidget()
self.metadata.setObjectName('metadata')
metadata_layout = QVBoxLayout(self.metadata)
metadata_layout.setContentsMargins(0, 0, 0, 0)
metadata_layout.setSpacing(0)
self.attached = SvgLabel('paperclip.svg', QSize(16, 16))
self.attached.setObjectName('paperclip')
self.attached.setFixedSize(QSize(20, 20))
spacer = QWidget()
metadata_layout.addWidget(self.attached, 1, Qt.AlignRight)
metadata_layout.addWidget(spacer, 1)
# Set up source row
self.source_row = QWidget()
source_row_layout = QHBoxLayout(self.source_row)
source_row_layout.setContentsMargins(0, 0, 0, 0)
source_row_layout.setSpacing(0)
source_row_layout.addWidget(self.gutter, 1)
source_row_layout.addWidget(self.summary, 1)
source_row_layout.addWidget(self.metadata, 1)
# Set up timestamp
self.updated = QLabel()
self.updated.setObjectName('timestamp')
# Add widgets to main layout
layout.addWidget(self.source_row, 1)
layout.addWidget(self.updated, 1, Qt.AlignRight)
self.update()
def setup(self, controller):
"""
Pass through the controller object to this widget.
"""
self.controller = controller
self.star.setup(self.controller)
def update(self):
"""
Updates the displayed values with the current values from self.source.
"""
self.updated.setText(arrow.get(self.source.last_updated).humanize())
self.name.setText("<strong>{}</strong>".format(
html.escape(self.source.journalist_designation)))
if self.source.document_count == 0:
self.attached.hide()
def delete_source(self, event):
if self.controller.api is None:
self.controller.on_action_requiring_login()
return
else:
messagebox = DeleteSourceMessageBox(self, self.source,
self.controller)
messagebox.launch()
class ErrorStatusBar(QWidget):
"""
A pop-up status bar for displaying messages about application errors to the user. Messages will
be displayed for a given duration or until the message is cleared or updated with a new message.
"""
CSS = '''
#error_vertical_bar {
background-color: #f22b5d;
}
#error_icon {
background-color: qlineargradient(
x1: 0,
y1: 0,
x2: 0,
y2: 1,
stop: 0 #fff,
stop: 0.2 #fff,
stop: 1 #fff
);
}
#error_status_bar {
background-color: qlineargradient(
x1: 0,
y1: 0,
x2: 0,
y2: 1,
stop: 0 #fff,
stop: 0.2 #fff,
stop: 1 #fff
);
font-weight: bold;
color: #f22b5d;
}
'''
def __init__(self):
super().__init__()
# Set styles
self.setStyleSheet(self.CSS)
# Set layout
layout = QHBoxLayout(self)
self.setLayout(layout)
# Remove margins and spacing
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
# Error vertical bar
self.vertical_bar = QWidget()
self.vertical_bar.setObjectName('error_vertical_bar') # Set css id
self.vertical_bar.setFixedWidth(10)
# Error icon
self.label = SvgLabel('error_icon.svg', svg_size=QSize(32, 32))
self.label.setObjectName('error_icon') # Set css id
self.label.setFixedWidth(42)
# Error status bar
self.status_bar = QStatusBar()
self.status_bar.setObjectName('error_status_bar') # Set css id
self.status_bar.setSizeGripEnabled(False)
# Add widgets to layout
layout.addWidget(self.vertical_bar)
layout.addWidget(self.label)
layout.addWidget(self.status_bar)
# Hide until a message needs to be displayed
self.vertical_bar.hide()
self.label.hide()
self.status_bar.hide()
# Only show errors for a set duration
self.status_timer = QTimer()
self.status_timer.timeout.connect(self._on_status_timeout)
def _hide(self):
self.vertical_bar.hide()
self.label.hide()
self.status_bar.hide()
def _show(self):
self.vertical_bar.show()
self.label.show()
self.status_bar.show()
def _on_status_timeout(self):
self._hide()
def update_message(self, message: str, duration: int):
"""
Display a status message to the user for a given duration.
"""
self.status_bar.showMessage(message, duration)
self.status_timer.start(duration)
self._show()
def clear_message(self):
"""
Clear any message currently in the status bar.
"""
self.status_bar.clearMessage()
self._hide()