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comics.py
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comics.py
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import browser
import feeddata
import dialogs
import ui
myfeeddata = feeddata.FeedData()
def get_control_width(control):
maxwidth = 0
for segment in control.segments:
tmp = ui.Button()
tmp.title = segment
tmp.size_to_fit()
maxwidth = max(maxwidth, tmp.width)
return 2 * maxwidth * len(control.segments)
#
# TableView of the entries for a single feed
#
class EntriesDataSource(object):
def __init__(self, feed):
self.feed = feed # feeddata.Feed
def tableview_number_of_sections(self, tableview):
return 1
def tableview_number_of_rows(self, tableview, section):
return len(self.feed.entries)
def tableview_cell_for_row(self, tableview, section, row):
cell = ui.TableViewCell()
cell.accessory_type = 'detail_button'
cell.text_label.text = self.feed.entries[row].title
return cell
def tableview_can_delete(self, tableview, section, row):
return False
def tableview_can_move(self, tableview, section, row):
return False
def tableview_accessory_button_tapped(self, tableview, section, row):
entry = self.feed.entries[row]
fields = []
for name in ['title', 'link', 'description', 'published', 'id']:
if name in entry:
field = {'type': 'text',
'title': name.title(),
'value': entry[name]}
fields.append(field)
dialogs.form_dialog(title='Info', fields=fields)
def tableview_did_select(self, tableview, section, row):
# Called when a row was selected.
entry = self.feed.entries[row]
tableview.selected_row = -1
if 'link' in entry:
panel = browser.BrowserView(name=self.feed.entries[row].title)
panel.load_url(self.feed.entries[row].link)
root.push_view(panel)
#
# TableView of all the feeds
#
class FeedDataSource (object):
save_name = 'feeds.json'
def __init__(self, myfeeddata, tableview):
self.feeddata = myfeeddata # feeddata.Feeddata
self.feeds = self.feeddata.feeds
self.tableview = tableview
# TableView data_source methods
def tableview_number_of_sections(self, tableview):
# Return the number of sections (defaults to 1)
return 1
def tableview_number_of_rows(self, tableview, section):
# Return the number of rows in the section
return len(self.feeds)
def tableview_cell_for_row(self, tableview, section, row):
# Create and return a cell for the given section/row
cell = ui.TableViewCell()
cell.accessory_type = 'detail_button'
if self.feeds[row].error:
cell.text_label.text = str(self.feeds[row].error)
cell.text_label.text_color = 'red'
else:
cell.text_label.text = self.feeds[row].feed.title
return cell
def tableview_can_delete(self, tableview, section, row):
# Return True if the user should be able to delete the given row.
return True
def tableview_delete(self, tableview, section, row):
self.feeddata.remove_feed_index(row)
self.feeddata.save()
tableview.reload_data()
def tableview_can_move(self, tableview, section, row):
# Return True if a reordering control should be shown for the given row (in editing mode).
return True
def tableview_move_row(self, tableview, from_section, from_row, to_section, to_row):
self.feeddata.move_feed(from_row, to_row)
self.feeddata.save()
# TableView delegate methods
def tableview_accessory_button_tapped(self, tableview, section, row):
feed = self.feeds[row]
fields = [{'type': 'url',
'title': 'URL',
'value': feed.url}]
if feed.error:
fields.append({'type': 'text',
'title': 'Error',
'value': str(feed.error)})
else:
for name in ['title', 'link', 'description', 'published']:
if name in feed.feed:
field = {'type': 'text',
'title': name.title(),
'value': feed.feed[name]}
fields.append(field)
dialogs.form_dialog(title='Info', fields=fields)
def tableview_did_select(self, tableview, section, row):
# Called when a row was selected.
tableview.selected_row = -1
if self.feeds[row].error:
return
panel = ui.TableView(name = self.feeds[row].feed.title)
panel.data_source = EntriesDataSource(self.feeds[row])
panel.delegate = panel.data_source
root.push_view(panel)
# ButtonItem methods
def add_feed_url(self, sender):
url = 'http://skin-horse.com/feed/'
fields = [{'type': 'url',
'title': 'URL',
'key': 'url',
'value': url}]
input = dialogs.form_dialog(title='Add Feed', fields=fields)
if input is None or input['url'] == '':
return
self.feeddata.add_feed_url(input['url'])
self.feeddata.save()
self.superview.reload_data()
view1 = ui.TableView(frame=(0, 40, 200, 160), name='By Feed', flex='WH')
view1_source = FeedDataSource(myfeeddata, view1)
view1.data_source = view1_source
view1.delegate = view1_source
view1.editable = True
#
# TableView of all entries by date
#
class DateDataSource (object):
def __init__(self, myfeeddata, tableview):
self.feeddata = myfeeddata
self.tableview = tableview
# TableView data_source methods
def tableview_number_of_sections(self, tableview):
# Return the number of sections (defaults to 1)
return len(self.feeddata.ordered_dates)
def tableview_number_of_rows(self, tableview, section):
# Return the number of rows in the section
section_key = self.feeddata.ordered_dates[section]
return len(self.feeddata.entries_by_date[section_key])
def tableview_title_for_header(self, tableview, section):
# Return a title for the given section.
# If this is not implemented, no section headers will be shown.
section_key = self.feeddata.ordered_dates[section]
return '{dt:%A} {dt:%B} {dt.day}, {dt.year}'.format(dt=section_key)
def tableview_cell_for_row(self, tableview, section, row):
# Create and return a cell for the given section/row
cell = ui.TableViewCell()
cell.accessory_type = 'detail_button'
section_key = self.feeddata.ordered_dates[section]
section_data = self.feeddata.entries_by_date[section_key]
cell.text_label.text = section_data[row].title
return cell
def tableview_can_delete(self, tableview, section, row):
# Return True if the user should be able to delete the given row.
return False
def tableview_can_move(self, tableview, section, row):
# Return True if a reordering control should be shown for the given row (in editing mode).
return False
# TableView delegate methods
def tableview_accessory_button_tapped(self, tableview, section, row):
section_key = self.feeddata.ordered_dates[section]
section_data = self.feeddata.entries_by_date[section_key]
entry = section_data[row]
fields = []
for name in ['title', 'link', 'description', 'published', 'id']:
if name in entry:
field = {'type': 'text',
'title': name.title(),
'value': entry[name]}
fields.append(field)
dialogs.form_dialog(title='Info', fields=fields)
def tableview_did_select(self, tableview, section, row):
# Called when a row was selected.
section_key = self.feeddata.ordered_dates[section]
section_data = self.feeddata.entries_by_date[section_key]
entry = section_data[row]
if 'link' in entry:
panel = browser.BrowserView(name=section_data[row].title)
panel.load_url(section_data[row].link)
root.push_view(panel)
view2 = ui.TableView(frame=(0, 40, 200, 160), name='By Date', flex='WH')
view2_data = DateDataSource(myfeeddata, view2)
view2.data_source = view2_data
view2.delegate = view2_data
view2.editable = False
#
# Custom view for switching between tabs
#
class TabView(ui.View):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.control = ui.SegmentedControl(flex='LR')
self.control.y = 4
self.control.action = self.select_subview
self.add_subview(self.control)
self.display_subviews = []
self.add_button = ui.ButtonItem('Add', action=view1_source.add_feed_url)
#self.left_button_items = [self.add_button]
self.edit_button = ui.ButtonItem('Edit', action=self.set_editing)
#self.right_button_items = [self.edit_button]
self.done_button = ui.ButtonItem('Done', action=self.unset_editing)
def select_subview(self, sender):
selected = self.display_subviews[sender.selected_index]
selected.bring_to_front()
self.edit_button.enabled = selected.editable
selected.reload_data()
def add_subview(self, view):
super().add_subview(view)
if view is self.control:
return
self.display_subviews.append(view)
selected = self.control.selected_index
self.control.segments += (view.name,)
if selected < 0:
self.control.selected_index = 0
else:
self.control.selected_index = selected
self.control.width = get_control_width(self.control)
offset = self.control.height + 8
view.frame = (self.x, offset, self.width, self.height - offset)
self.display_subviews[self.control.selected_index].bring_to_front()
def reload_data(self):
for view in self.display_subviews:
view.reload_data()
def set_editing(self, sender):
self.control.enabled = False
self.left_button_items = []
self.right_button_items = [self.done_button]
selected = self.display_subviews[self.control.selected_index]
selected.set_editing(True)
def unset_editing(self, sender):
self.control.enabled = True
self.left_button_items = [self.add_button]
self.right_button_items = [self.edit_button]
selected = self.display_subviews[self.control.selected_index]
selected.set_editing(False)
tabview = TabView(name='Comics', bg_color='white')
tabview.add_subview(view1)
tabview.add_subview(view2)
root = ui.NavigationView(tabview)
root.present()
@ui.in_background
def load():
ai = ui.ActivityIndicator(background_color='black')
ai.style = ui.ACTIVITY_INDICATOR_STYLE_WHITE_LARGE
ai.present('sheet', hide_title_bar=True, animated=False)
ai.start()
myfeeddata.load(callback=tabview.reload_data)
ai.stop()
ai.close()
tabview.unset_editing(None)
load()