class ChartActivity(activity.Activity):
def __init__(self, handle):
activity.Activity.__init__(self, handle, True)
self.max_participants = 1
# CHART_OPTIONS
self._font_option = TITLE_FONT
self.x_label = ''
self.y_label = ''
self.chart_color = utils.get_user_fill_color('str')
self.chart_line_color = utils.get_user_stroke_color('str')
self.current_chart = None
self.charts_area = None
self.chart_data = []
self.chart_type_buttons = []
self._font_options = {
'titleColor': '#000000',
'titleFont': 'Sans',
'titleFontSize': 12,
'axis': {
'tickFont': 'Sans',
'tickFontSize': 12,
'tickColor': '#000000',
'labelFontSize': 14,
'labelColor': '#666666',
'labelFont': 'Sans',
'lineColor': '#b3b3b3'}}
# TOOLBARS
self._labels_font = RadioToolButton()
self._title_font = RadioToolButton()
toolbarbox = ToolbarBox()
activity_button = ActivityToolbarButton(self)
activity_btn_toolbar = activity_button.page
activity_btn_toolbar.title.connect('changed', self._set_chart_title)
save_as_image = ToolButton('save-as-image')
save_as_image.connect('clicked', self._save_as_image)
save_as_image.set_tooltip(_('Save as image'))
activity_btn_toolbar.insert(save_as_image, -1)
save_as_image.show()
import_stopwatch = ToolButton('import-stopwatch')
import_stopwatch.connect('clicked', self.__import_stopwatch_cb)
import_stopwatch.set_tooltip(_('Read StopWatch data'))
activity_btn_toolbar.insert(import_stopwatch, -1)
import_stopwatch.show()
import_measure = ToolButton('import-measure')
import_measure.set_tooltip(_('Read Measure data'))
if utils.get_channels() == 1:
import_measure.connect('clicked', self.__import_measure_cb, 1)
else:
import_measure.connect('clicked', self._measure_btn_clicked)
self._create_measure_palette(import_measure)
activity_btn_toolbar.insert(import_measure, -1)
import_measure.show()
toolbarbox.toolbar.insert(activity_button, 0)
add_v = ToolButton('gtk-add')
add_v.connect('clicked', self._add_value)
add_v.set_tooltip(_('Add a value'))
toolbarbox.toolbar.insert(add_v, -1)
remove_v = ToolButton('gtk-remove')
remove_v.connect('clicked', self._remove_value)
remove_v.set_tooltip(_('Remove the selected value'))
toolbarbox.toolbar.insert(remove_v, -1)
self._remove_v = remove_v
separator = Gtk.SeparatorToolItem()
separator.set_draw(True)
separator.set_expand(False)
toolbarbox.toolbar.insert(separator, -1)
# We create two sets: one for the main toolbar and one for the
# chart toolbar. We choose which set to use based on the
# screen width.
self._create_chart_buttons(toolbarbox.toolbar)
self._chart_button = ToolbarButton(icon_name='vbar')
chart_toolbar = Gtk.Toolbar()
self._create_chart_buttons(chart_toolbar)
self._chart_button.props.page = chart_toolbar
chart_toolbar.show_all()
toolbarbox.toolbar.insert(self._chart_button, -1)
separator = Gtk.SeparatorToolItem()
separator.set_draw(True)
separator.set_expand(False)
toolbarbox.toolbar.insert(separator, -1)
self._options_button = ToolbarButton(icon_name='preferences-system')
options_toolbar = Gtk.Toolbar()
self.chart_color_btn = ColorToolButton()
self.chart_color_btn.set_color(_COLOR1)
self.chart_color_btn.set_title(_('Chart Color'))
options_toolbar.insert(self.chart_color_btn, -1)
GObject.timeout_add(1000,
self._connect_color_btn,
self.chart_color_btn,
self._set_chart_color)
self.line_color_btn = ColorToolButton()
self.line_color_btn.set_color(_COLOR2)
self.line_color_btn.set_title(_('Line Color'))
options_toolbar.insert(self.line_color_btn, -1)
GObject.timeout_add(1000,
self._connect_color_btn,
self.line_color_btn,
self._set_chart_line_color)
separator = Gtk.SeparatorToolItem()
separator.set_draw(True)
separator.set_expand(False)
options_toolbar.insert(separator, -1)
h_label_icon = Icon(icon_name='hlabel')
h_label_tool_item = Gtk.ToolItem()
h_label_tool_item.add(h_label_icon)
options_toolbar.insert(h_label_tool_item, -1)
self.h_label = Entry(_('Horizontal label...'))
self.h_label.entry.connect('changed', self._set_h_label)
options_toolbar.insert(self.h_label, -1)
separator = Gtk.SeparatorToolItem()
separator.set_draw(False)
separator.set_expand(False)
options_toolbar.insert(separator, -1)
v_label_icon = Icon(icon_name='vlabel')
v_label_tool_item = Gtk.ToolItem()
v_label_tool_item.add(v_label_icon)
options_toolbar.insert(v_label_tool_item, -1)
self.v_label = Entry(_('Vertical label...'))
self.v_label.entry.connect('changed', self._set_v_label)
options_toolbar.insert(self.v_label, -1)
self._options_button.props.page = options_toolbar
options_toolbar.show_all()
toolbarbox.toolbar.insert(self._options_button, -1)
text_toolbar_btn = ToolbarButton()
text_toolbar_btn.props.icon_name = 'format-text'
text_toolbar_btn.props.label = _('Text')
toolbarbox.toolbar.insert(text_toolbar_btn, -1)
self._text_options_btn = text_toolbar_btn
texttoolbar = Gtk.Toolbar()
self.font_name_combo = FontComboBox()
self.font_name_combo.set_font_name('Sans')
def set_font_name(w):
self._set_chart_font_options(font=w.get_font_name())
self.font_name_combo.connect("changed", set_font_name)
texttoolbar.insert(ToolComboBox(self.font_name_combo), -1)
self.font_size = FontSize()
def set_font_size(w):
self._set_chart_font_options(size=w.get_font_size())
self.font_size.connect("changed", set_font_size)
texttoolbar.insert(self.font_size, -1)
self.text_color_btn = ColorToolButton()
self.text_color_btn.set_color(style.COLOR_BLACK.get_gdk_color())
self.text_color_btn.set_title(_('Font Color'))
texttoolbar.insert(self.text_color_btn, -1)
GObject.timeout_add(1000, self._connect_color_btn,
self.text_color_btn,
self._set_text_color)
# self._title_font created in the top of the file
self._title_font.connect('clicked', self._set_font_option,
TITLE_FONT)
self._title_font.set_tooltip(_('Title font'))
self._title_font.props.icon_name = 'title-font'
op_group = self._title_font
texttoolbar.insert(self._title_font, 0)
# self._labels_font created in the top of the file
self._labels_font.connect('clicked', self._set_font_option,
LABELS_FONT)
self._labels_font.set_tooltip(_('Labels font'))
self._labels_font.props.icon_name = 'labels-font'
self._labels_font.props.group = op_group
texttoolbar.insert(self._labels_font, 1)
tick_font = RadioToolButton()
tick_font.connect('clicked', self._set_font_option, TICK_FONT)
tick_font.set_tooltip(_('Tick font'))
tick_font.props.icon_name = 'tick-font'
tick_font.props.group = op_group
texttoolbar.insert(tick_font, 2)
separator = Gtk.SeparatorToolItem()
texttoolbar.insert(separator, 3)
text_toolbar_btn.props.page = texttoolbar
texttoolbar.show_all()
separator = Gtk.SeparatorToolItem()
separator.set_draw(True)
separator.set_expand(False)
toolbarbox.toolbar.insert(separator, -1)
self._fullscreen_button = ToolButton('view-fullscreen')
self._fullscreen_button.set_tooltip(_("Fullscreen"))
self._fullscreen_button.props.accelerator = '<Alt>Return'
self._fullscreen_button.connect('clicked', self.__fullscreen_cb)
toolbarbox.toolbar.insert(self._fullscreen_button, -1)
charthelp.create_help(toolbarbox.toolbar)
separator = Gtk.SeparatorToolItem()
separator.set_draw(False)
separator.set_expand(True)
toolbarbox.toolbar.insert(separator, -1)
stopbtn = StopButton(self)
toolbarbox.toolbar.insert(stopbtn, -1)
self.set_toolbar_box(toolbarbox)
# CANVAS
paned = Gtk.HPaned()
box = Gtk.VBox()
self.box = box
# Set the info box width to 1/3 of the screen:
def size_allocate_cb(widget, allocation):
paned.disconnect(self._setup_handle)
box_width = allocation.width / 3
box.set_size_request(box_width, -1)
self._setup_handle = paned.connect('size_allocate',
size_allocate_cb)
scroll = Gtk.ScrolledWindow()
scroll.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
self.labels_and_values = ChartData(self)
scroll.add(self.labels_and_values)
self.labels_and_values.connect('label-changed', self._label_changed)
self.labels_and_values.connect('value-changed', self._value_changed)
box.pack_start(scroll, True, True, 0)
liststore_toolbar = Gtk.Toolbar()
move_up = ToolButton('go-up')
move_up.set_tooltip(_('Move up'))
move_up.connect('clicked', self._move_up)
move_down = ToolButton('go-down')
move_down.set_tooltip(_('Move down'))
move_down.connect('clicked', self._move_down)
liststore_toolbar.insert(move_up, 0)
liststore_toolbar.insert(move_down, 1)
box.pack_end(liststore_toolbar, False, False, 0)
paned.add1(box)
# CHARTS AREA
eventbox = Gtk.EventBox()
self.charts_area = ChartArea(self)
eventbox.modify_bg(Gtk.StateType.NORMAL, _WHITE)
eventbox.add(self.charts_area)
self._notebook = Gtk.Notebook()
self._notebook.set_property('show-tabs', False)
self._notebook.append_page(eventbox, Gtk.Label())
# EMPTY WIDGETS
empty_widgets = Gtk.EventBox()
empty_widgets.modify_bg(Gtk.StateType.NORMAL,
style.COLOR_WHITE.get_gdk_color())
vbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
mvbox = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
vbox.pack_start(mvbox, True, False, 0)
image_icon = Icon(pixel_size=style.LARGE_ICON_SIZE,
icon_name='chart',
stroke_color=style.COLOR_BUTTON_GREY.get_svg(),
fill_color=style.COLOR_TRANSPARENT.get_svg())
mvbox.pack_start(image_icon, False, False, style.DEFAULT_PADDING)
label = Gtk.Label('<span foreground="%s"><b>%s</b></span>' %
(style.COLOR_BUTTON_GREY.get_html(),
_('No data')))
label.set_use_markup(True)
mvbox.pack_start(label, False, False, style.DEFAULT_PADDING)
hbox = Gtk.Box()
open_image_btn = Gtk.Button()
open_image_btn.connect('clicked', self._add_value)
add_image = Gtk.Image.new_from_stock(Gtk.STOCK_ADD,
Gtk.IconSize.BUTTON)
buttonbox = Gtk.Box()
buttonbox.pack_start(add_image, False, True, 0)
buttonbox.pack_end(Gtk.Label(_('Add a value')), True, True, 5)
open_image_btn.add(buttonbox)
hbox.pack_start(open_image_btn, True, False, 0)
mvbox.pack_start(hbox, False, False, style.DEFAULT_PADDING)
empty_widgets.add(vbox)
empty_widgets.show_all()
self._notebook.append_page(empty_widgets, Gtk.Label())
paned.add2(self._notebook)
self.set_canvas(paned)
self.charts_area.connect('size_allocate', self._chart_size_allocate)
self.show_all()
Gdk.Screen.get_default().connect('size-changed', self._configure_cb)
self._configure_cb()
def _set_text_color(self, *args):
color = utils.rgb2html(args[-1].get_color())
self._set_chart_font_options(color=color)
def _set_chart_font_options(self, font=None, size=None, color=None):
op = self._font_options
if self._font_option == TITLE_FONT:
op['titleFont'] = font or op['titleFont']
op['titleFontSize'] = size or op['titleFontSize']
op['titleColor'] = color or op['titleColor']
elif self._font_option == LABELS_FONT:
op['axis']['labelFont'] = font or op['axis']['labelFont']
op['axis']['labelFontSize'] = size or op['axis']['labelFontSize']
op['axis']['labelColor'] = color or op['axis']['labelColor']
elif self._font_option == TICK_FONT:
op['axis']['tickFont'] = font or op['axis']['tickFont']
op['axis']['tickFontSize'] = size or op['axis']['tickFontSize']
op['axis']['tickColor'] = color or op['axis']['tickColor']
self._font_options = op
self._render_chart()
def _get_chart_font_options(self, option):
chart_options = self._font_options
if option == TITLE_FONT:
font = chart_options['titleFont']
size = chart_options['titleFontSize']
color = chart_options['titleColor']
elif option == LABELS_FONT:
font = chart_options['axis']['labelFont']
size = chart_options['axis']['labelFontSize']
color = chart_options['axis']['labelColor']
elif option == TICK_FONT:
font = chart_options['axis']['tickFont']
size = chart_options['axis']['tickFontSize']
color = chart_options['axis']['tickColor']
else:
return None, None, None
return font, size, color
def _set_font_option(self, *args):
if not hasattr(self, 'font_name_combo'):
return
self._font_option = args[-1]
font, size, color = self._get_chart_font_options(self._font_option)
self.font_name_combo.set_font_name(font)
self.font_size.set_font_size(size)
self.text_color_btn.set_color(Color(color).get_gdk_color())
def _create_chart_buttons(self, toolbar):
add_vbar_chart = RadioToolButton()
add_vbar_chart.connect('clicked', self._add_chart_cb,
charts.VERTICAL_BAR)
add_vbar_chart.set_tooltip(_('Vertical Bar Chart'))
add_vbar_chart.props.icon_name = 'vbar'
charts_group = add_vbar_chart
toolbar.insert(add_vbar_chart, -1)
add_hbar_chart = RadioToolButton()
add_hbar_chart.connect('clicked', self._add_chart_cb,
charts.HORIZONTAL_BAR)
add_hbar_chart.set_tooltip(_('Horizontal Bar Chart'))
add_hbar_chart.props.icon_name = 'hbar'
add_hbar_chart.props.group = charts_group
toolbar.insert(add_hbar_chart, -1)
add_line_chart = RadioToolButton()
add_line_chart.connect('clicked', self._add_chart_cb, charts.LINE)
add_line_chart.set_tooltip(_('Line Chart'))
add_line_chart.props.icon_name = 'line'
add_line_chart.props.group = charts_group
toolbar.insert(add_line_chart, -1)
add_pie_chart = RadioToolButton()
add_pie_chart.set_active(True)
add_pie_chart.connect('clicked', self._add_chart_cb, charts.PIE)
add_pie_chart.set_tooltip(_('Pie Chart'))
add_pie_chart.props.icon_name = 'pie'
add_pie_chart.props.group = charts_group
toolbar.insert(add_pie_chart, -1)
self.chart_type_buttons.append(add_vbar_chart)
self.chart_type_buttons.append(add_hbar_chart)
self.chart_type_buttons.append(add_line_chart)
self.chart_type_buttons.append(add_pie_chart)
def _show_empty_widgets(self):
if hasattr(self, '_notebook'):
self._notebook.set_current_page(1)
self._remove_v.set_sensitive(False)
for btn in self.chart_type_buttons:
btn.set_sensitive(False)
self._options_button.set_sensitive(False)
self._text_options_btn.set_sensitive(False)
self._fullscreen_button.set_sensitive(False)
def _show_chart_area(self):
if self._notebook.get_current_page() == 1:
self._notebook.set_current_page(0)
self._remove_v.set_sensitive(True)
for btn in self.chart_type_buttons:
btn.set_sensitive(True)
self._options_button.set_sensitive(True)
self._text_options_btn.set_sensitive(True)
self._fullscreen_button.set_sensitive(True)
def _create_measure_palette(self, button):
palette = button.get_palette()
hbox = Gtk.HBox()
channel1 = ToolButton('measure-channel-1')
channel1.connect('clicked', self.__import_measure_cb, 1)
channel2 = ToolButton('measure-channel-2')
channel2.connect('clicked', self.__import_measure_cb, 2)
hbox.pack_start(channel1, False, True, 0)
hbox.pack_end(channel2, False, True, 0)
hbox.show_all()
palette.set_content(hbox)
def _measure_btn_clicked(self, button):
palette = button.get_palette()
palette.popup(immediate=True, state=1)
def _add_value(self, widget, label='', value='0.0'):
if label == '':
label = str(len(self.chart_data) + 1)
is_number = True
try:
float(value)
except ValueError:
_logger.debug('data (%s) not a number' % (str(value)))
is_number = False
if is_number:
data = (label, float(value))
if data not in self.chart_data:
pos = self.labels_and_values.add_value(label, value)
self.chart_data.insert(pos, data)
self._update_chart_data()
elif not is_number:
_invalid_number_alert(activity)
def _remove_value(self, widget):
value = self.labels_and_values.remove_selected_value()
self.chart_data.remove(value)
self._update_chart_data()
def _add_chart_cb(self, widget, type=charts.VERTICAL_BAR):
self.current_chart = charts.Chart(type)
def update_btn():
if (type == charts.PIE and
not self.chart_type_buttons[3].get_active() and
not self.chart_type_buttons[7].get_active()):
self.chart_type_buttons[3].set_active(True)
self.chart_type_buttons[7].set_active(True)
GObject.idle_add(update_btn)
self.update_chart()
def _configure_cb(self, event=None):
# If we have room, put buttons on the main toolbar
if Gdk.Screen.width() / 14 > style.GRID_CELL_SIZE:
self._chart_button.set_expanded(False)
self._chart_button.hide()
for i in range(4):
self.chart_type_buttons[i].show()
self.chart_type_buttons[i + 4].hide()
else:
self._chart_button.show()
self._chart_button.set_expanded(True)
for i in range(4):
self.chart_type_buttons[i].hide()
self.chart_type_buttons[i + 4].show()
def _chart_size_allocate(self, widget, allocation):
self._render_chart()
def unfullscreen(self):
self.box.show()
activity.Activity.unfullscreen(self)
GObject.idle_add(self._render_chart)
def __fullscreen_cb(self, button):
self.box.hide()
self._render_chart(fullscreen=True)
activity.Activity.fullscreen(self)
def _render_chart(self, fullscreen=False):
if not self.chart_data:
self._show_empty_widgets()
return
if self.current_chart is None or self.charts_area is None:
return
try:
# Resize the chart for all the screen sizes
alloc = self.get_allocation()
if fullscreen:
new_width = alloc.width
new_height = alloc.height
self.current_chart.width = alloc.width
self.current_chart.height = alloc.height
if not fullscreen:
alloc = self.charts_area.get_allocation()
new_width = alloc.width - 40
new_height = alloc.height - 40
self.current_chart.width = new_width
self.current_chart.height = new_height
# Set options
self.current_chart.set_color_scheme(color=self.chart_color)
self.current_chart.set_line_color(self.chart_line_color)
self.current_chart.set_font_options(self._font_options)
if self.current_chart.type == charts.PIE:
self.current_chart.render(self)
else:
self.current_chart.render()
self.charts_area.queue_draw()
except (ZeroDivisionError, ValueError):
pass
self._show_chart_area()
return False
def _update_chart_active_button(self, type=None):
if self.current_chart is None and type is None:
return
_type = type or self.current_chart.type
if _type == charts.VERTICAL_BAR:
self.chart_type_buttons[0].set_active(True)
self.chart_type_buttons[4].set_active(True)
elif _type == charts.HORIZONTAL_BAR:
self.chart_type_buttons[1].set_active(True)
self.chart_type_buttons[5].set_active(True)
elif _type == charts.LINE:
self.chart_type_buttons[2].set_active(True)
self.chart_type_buttons[6].set_active(True)
elif _type == charts.PIE:
self.chart_type_buttons[3].set_active(True)
self.chart_type_buttons[7].set_active(True)
self._labels_font.set_sensitive(False)
def _update_chart_data(self):
if self.current_chart is None:
return
self.current_chart.data_set(self.chart_data)
self._update_chart_labels()
def _set_chart_title(self, widget):
self._update_chart_labels(title=widget.get_text())
def _update_chart_labels(self, title=''):
if self.current_chart is None:
return
if not title and self.metadata['title']:
title = self.metadata['title']
self.current_chart.set_title(title)
self.current_chart.set_x_label(self.x_label)
self.current_chart.set_y_label(self.y_label)
self._render_chart()
def update_chart(self):
if self.current_chart:
self.current_chart.data_set(self.chart_data)
self.current_chart.set_title(self.metadata['title'])
self.current_chart.set_x_label(self.x_label)
self.current_chart.set_y_label(self.y_label)
self._set_font_option(self._font_option)
self._render_chart()
def _label_changed(self, treeview, path, new_label):
path = int(path)
self.chart_data[path] = (new_label, self.chart_data[path][1])
self._update_chart_data()
def _value_changed(self, treeview, path, new_value):
path = int(path)
self.chart_data[path] = (self.chart_data[path][0], float(new_value))
self._update_chart_data()
def _move_up(self, widget):
old, new = self.labels_and_values.move_up()
_object = self.chart_data[old]
self.chart_data.remove(_object)
self.chart_data.insert(new, _object)
self._update_chart_data()
def _move_down(self, widget):
old, new = self.labels_and_values.move_down()
if old is not None:
_object = self.chart_data[old]
self.chart_data.remove(_object)
self.chart_data.insert(new, _object)
self._update_chart_data()
def _set_h_label(self, widget):
self.x_label = widget.get_text()
self._update_chart_labels()
def _set_v_label(self, widget):
self.y_label = widget.get_text()
self._update_chart_labels()
def _set_chart_color(self, *args):
self.chart_color = utils.rgb2html(args[-1].get_color())
self._render_chart()
def _set_chart_line_color(self, *args):
self.chart_line_color = utils.rgb2html(args[-1].get_color())
self._render_chart()
def _connect_color_btn(self, colorbtn, function):
if colorbtn._palette is None:
return True
for scale in colorbtn._palette._scales:
scale.connect('button-release-event', function, colorbtn)
for button in colorbtn._palette._swatch_tray.get_children():
button.connect('clicked', function, colorbtn)
return False
def _object_chooser(self, mime_type, type_name):
chooser = ObjectChooser()
matches_mime_type = False
response = chooser.run()
if response == Gtk.ResponseType.ACCEPT:
jobject = chooser.get_selected_object()
metadata = jobject.metadata
file_path = jobject.file_path
if metadata['mime_type'] == mime_type:
matches_mime_type = True
else:
alert = Alert()
alert.props.title = _('Invalid object')
alert.props.msg = \
_('The selected object must be a %s file' % (type_name))
ok_icon = Icon(icon_name='dialog-ok')
alert.add_button(Gtk.ResponseType.OK, _('Ok'), ok_icon)
ok_icon.show()
alert.connect('response', lambda a, r: self.remove_alert(a))
self.add_alert(alert)
alert.show()
return matches_mime_type, file_path, metadata['title']
def _graph_from_reader(self, reader):
self.labels_and_values.model.clear()
self.chart_data = []
chart_data = reader.get_chart_data()
horizontal, vertical = reader.get_labels_name()
self.v_label.entry.set_text(horizontal)
self.h_label.entry.set_text(vertical)
# Load the data
for row in chart_data:
self._add_value(None,
label=row[0], value=float(row[1]))
self.update_chart()
def __import_stopwatch_cb(self, widget):
matches_mime_type, file_path, title = \
self._object_chooser(_STOPWATCH_MIME_TYPE, _('StopWatch'))
if matches_mime_type:
f = open(file_path)
reader = StopWatchReader(f)
self._graph_from_reader(reader)
f.close()
def __import_measure_cb(self, widget, channel=1):
matches_mime_type, file_path, title = \
self._object_chooser(_CSV_MIME_TYPE, _('Measure'))
if matches_mime_type:
f = open(file_path)
reader = MeasureReader(f, channel)
self._graph_from_reader(reader)
f.close()
def _save_as_image(self, widget):
if self.current_chart:
jobject = datastore.create()
jobject.metadata['title'] = self.metadata['title']
jobject.metadata['mime_type'] = 'image/png'
self.current_chart.as_png(_CHART_FILE)
jobject.set_file_path(_CHART_FILE)
datastore.write(jobject)
def load_from_file(self, f):
try:
data = json.load(f)
finally:
f.close()
self.metadata['title'] = data['title']
self.x_label = data['x_label']
self.y_label = data['y_label']
self.chart_color = data['chart_color']
self.chart_line_color = data['chart_line_color']
self.current_chart.type = data['current_chart.type']
# Make it compatible with old Chart instances
if 'font_options' in data:
self._font_options = data['font_options']
chart_data = data['chart_data']
# Update charts buttons
self._update_chart_active_button()
# Update the controls in the config subtoolbar
self.chart_color_btn.set_color(Color(self.chart_color).get_gdk_color())
self.line_color_btn.set_color(Color(self.chart_line_color).
get_gdk_color())
# If the saved label is not '', set the text entry with the saved label
if self.x_label != '':
self.h_label.entry.set_text(self.x_label)
if self.y_label != '':
self.v_label.entry.set_text(self.y_label)
# load the data
for row in chart_data:
self._add_value(None, label=row[0], value=float(row[1]))
self.update_chart()
def write_file(self, file_path):
self.metadata['mime_type'] = 'application/x-chart-activity'
if self.current_chart:
data = {}
data['title'] = self.metadata['title']
data['x_label'] = self.x_label
data['y_label'] = self.y_label
data['chart_color'] = self.chart_color
data['chart_line_color'] = self.chart_line_color
data['current_chart.type'] = self.current_chart.type
data['chart_data'] = self.chart_data
data['font_options'] = self._font_options
f = open(file_path, 'w')
try:
json.dump(data, f)
finally:
f.close()
def read_file(self, file_path):
f = open(file_path, 'r')
GObject.idle_add(self.load_from_file, f)
class ToolbarSpeed(Gtk.Toolbar):
__gsignals__ = {
"speed-changed": (GObject.SIGNAL_RUN_FIRST, None, [float]),
}
def __init__(self):
Gtk.Toolbar.__init__(self)
self.button = ToolbarButton(page=self, icon_name="media-playback-stop")
self.playing = True
self.speed = None
self.stop_play = ToolButton("media-playback-stop")
self.stop_play.set_tooltip(_("Stop"))
self.stop_play.connect("clicked", self._stop_play)
self.insert(self.stop_play, -1)
self.slow_button = RadioToolButton(group=None,
icon_name="slow-walk-milton-raposo")
self.slow_button.set_tooltip(_("Run slow"))
self.slow_button.connect("clicked", self._speed_changed_cb, Speed.SLOW)
self.insert(self.slow_button, -1)
self.normal_button = RadioToolButton(group=self.slow_button,
icon_name="walking")
self.normal_button.set_tooltip(_("Run Normal"))
self.normal_button.connect("clicked", self._speed_changed_cb,
Speed.NORMAL)
self.insert(self.normal_button, -1)
self.fast_button = RadioToolButton(group=self.slow_button,
icon_name="running")
self.fast_button.set_tooltip(_("Run fast"))
self.fast_button.connect("clicked", self._speed_changed_cb, Speed.FAST)
self.insert(self.fast_button, -1)
self.slow_button.set_active(True)
self.show_all()
def _stop_play(self, button=None):
self.playing = not self.playing
if self.playing:
self.stop_play.set_icon_name("media-playback-stop")
self.stop_play.set_tooltip(_("Stop"))
self.button.set_icon_name("media-playback-stop")
if self.speed is None:
self.speed = Speed.SLOW
self.emit("speed-changed", self.speed)
else:
self.stop_play.set_icon_name("media-playback-start")
self.stop_play.set_tooltip(_("Start"))
self.button.set_icon_name("media-playback-start")
self.emit("speed-changed", Speed.STOPPED)
def _speed_changed_cb(self, button, speed):
if not self.playing:
self.speed = speed
self._stop_play()
else:
self.emit("speed-changed", speed)
self.speed = speed
def enable(self):
self.set_sensitive_buttons(True)
def disable(self):
self.set_sensitive_buttons(False)
def set_sensitive_buttons(self, sensitive):
self.stop_play.set_sensitive(sensitive)
self.slow_button.set_sensitive(sensitive)
self.normal_button.set_sensitive(sensitive)
self.fast_button.set_sensitive(sensitive)