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Fanchart Feature: allow halfcircle and quadrant like in the drawreport

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svn: r20352
This commit is contained in:
Benny Malengier 2012-09-07 20:11:17 +00:00
parent 4cc2af5eb6
commit e56fc52e95
2 changed files with 94 additions and 30 deletions
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96
src/gui/widgets/fanchart.py
View File

@ -86,8 +86,10 @@ def gender_code(is_male):
PIXELS_PER_GENERATION = 50 # size of radius for generation
BORDER_EDGE_WIDTH = 10 # empty white box size at edge to indicate parents
CENTER = 50 # pixel radius of center
CHILDRING_WIDTH = 12 # width of the children ring inside the person
TRANSLATE_PX = 10 # size of the central circle, used to move the chart
PAD_PX = 4 # padding with edges
BACKGROUND_SCHEME1 = 0
BACKGROUND_SCHEME2 = 1
@ -120,6 +122,10 @@ GENCOLOR = {
MAX_AGE = 100
GRADIENTSCALE = 5
FORM_CIRCLE = 0
FORM_HALFCIRCLE = 1
FORM_QUADRANT = 2
COLLAPSED = 0
NORMAL = 1
EXPANDED = 2
@ -185,15 +191,14 @@ class FanChartWidget(Gtk.DrawingArea):
self._mouse_click = False
self.rotate_value = 90 # degrees, initially, 1st gen male on right half
self.center_xy = [0, 0] # distance from center (x, y)
self.center = 50 # pixel radius of center
#default values
self.reset(None, 9, BACKGROUND_GRAD_GEN, True, True, 'Sans', '#0000FF',
'#FF0000', None, 0.5)
'#FF0000', None, 0.5, FORM_CIRCLE)
self.set_size_request(120, 120)
def reset(self, root_person_handle, maxgen, background, childring,
radialtext, fontdescr, grad_start, grad_end,
filter, alpha_filter):
filter, alpha_filter, form):
"""
Reset all of the data:
root_person_handle = person to show
@ -205,6 +210,7 @@ class FanChartWidget(Gtk.DrawingArea):
grad_start, grad_end: colors to use for background procedure
filter = the person filter to apply to the people in the chart
alpha = the alpha transparency value (0-1) to apply to filtered out data
form = the FORM_ constant for the fanchart
"""
self.cache_fontcolor = {}
@ -216,6 +222,7 @@ class FanChartWidget(Gtk.DrawingArea):
self.grad_end = grad_end
self.filter = filter
self.alpha_filter = alpha_filter
self.form = form
self.set_generations(maxgen)
@ -334,8 +341,15 @@ class FanChartWidget(Gtk.DrawingArea):
# name, person, parents?, children?
self.data[i] = [(None,) * 5] * 2 ** i
self.angle[i] = []
factor = 1
angle = 0
slice = 360.0 / (2 ** i)
if self.form == FORM_HALFCIRCLE:
factor = 1/2
angle = 90
elif self.form == FORM_QUADRANT:
angle = 180
factor = 1/4
slice = 360.0 / (2 ** i) * factor
gender = True
for count in range(len(self.data[i])):
# start, stop, male, state
@ -347,8 +361,15 @@ class FanChartWidget(Gtk.DrawingArea):
"""
Overridden method to handle size request events.
"""
if self.form == FORM_CIRCLE:
requisition.width = 2 * self.halfdist()
requisition.height = requisition.width
elif self.form == FORM_HALFCIRCLE:
requisition.width = 2 * self.halfdist()
requisition.height = requisition.width / 2 + CENTER + PAD_PX
elif self.form == FORM_QUADRANT:
requisition.width = self.halfdist() + CENTER + PAD_PX
requisition.height = requisition.width
def do_get_preferred_width(self):
""" GTK3 uses width for height sizing model. This method will
@ -386,8 +407,7 @@ class FanChartWidget(Gtk.DrawingArea):
Compute the half radius of the circle
"""
nrgen = self.nrgen()
return PIXELS_PER_GENERATION * nrgen + self.center \
+ BORDER_EDGE_WIDTH
return PIXELS_PER_GENERATION * nrgen + CENTER + BORDER_EDGE_WIDTH
def on_draw(self, widget, cr, scale=1.):
"""
@ -397,17 +417,34 @@ class FanChartWidget(Gtk.DrawingArea):
"""
# first do size request of what we will need
nrgen = self.nrgen()
halfdist = PIXELS_PER_GENERATION * nrgen + self.center
halfdist = PIXELS_PER_GENERATION * nrgen + CENTER
if self.form == FORM_CIRCLE:
self.set_size_request(2 * halfdist, 2 * halfdist)
elif self.form == FORM_HALFCIRCLE:
self.set_size_request(2 * halfdist, halfdist + CENTER + PAD_PX)
elif self.form == FORM_QUADRANT:
self.set_size_request(halfdist + CENTER + PAD_PX, halfdist + CENTER + PAD_PX)
#obtain the allocation
alloc = self.get_allocation()
x, y, w, h = alloc.x, alloc.y, alloc.width, alloc.height
if widget is None: # printing, use the size we need
w = 2 * halfdist
h = 2 * halfdist
cr.scale(scale, scale)
if widget:
cr.translate(w/2. - self.center_xy[0], h/2. - self.center_xy[1])
else:
cr.translate(halfdist - self.center_xy[0], halfdist - self.center_xy[1])
if self.form == FORM_CIRCLE:
self.center_x = w/2 - self.center_xy[0]
self.center_y = h/2 - self.center_xy[1]
elif self.form == FORM_HALFCIRCLE:
self.center_x = w/2. - self.center_xy[0]
self.center_y = h - CENTER - PAD_PX- self.center_xy[1]
elif self.form == FORM_QUADRANT:
self.center_x = CENTER + PAD_PX - self.center_xy[0]
self.center_y = h - CENTER - PAD_PX - self.center_xy[1]
cr.translate(self.center_x, self.center_y)
cr.save()
cr.rotate(self.rotate_value * math.pi/180)
for generation in range(self.generations - 1, 0, -1):
@ -422,23 +459,23 @@ class FanChartWidget(Gtk.DrawingArea):
person, userdata)
cr.set_source_rgb(1, 1, 1) # white
cr.move_to(0,0)
cr.arc(0, 0, self.center, 0, 2 * math.pi)
cr.arc(0, 0, CENTER, 0, 2 * math.pi)
cr.move_to(0,0)
cr.fill()
cr.set_source_rgb(0, 0, 0) # black
cr.arc(0, 0, self.center, 0, 2 * math.pi)
cr.arc(0, 0, CENTER, 0, 2 * math.pi)
cr.stroke()
cr.restore()
# Draw center person:
(text, person, parents, child, userdata) = self.data[0][0]
if person:
r, g, b, a = self.background_box(person, person.gender, 0, userdata)
cr.arc(0, 0, self.center, 0, 2 * math.pi)
cr.arc(0, 0, CENTER, 0, 2 * math.pi)
cr.set_source_rgba(r/255, g/255, b/255, a)
cr.fill()
cr.save()
name = name_displayer.display(person)
self.draw_text(cr, name, self.center - 10, 95, 455, False,
self.draw_text(cr, name, CENTER - 10, 95, 455, False,
self.fontcolor(r, g, b), self.fontbold(a))
cr.restore()
#draw center to move chart
@ -465,7 +502,7 @@ class FanChartWidget(Gtk.DrawingArea):
start_rad = start * math.pi/180
stop_rad = stop * math.pi/180
r, g, b, a = self.background_box(person, gender, generation, userdata)
radius = generation * PIXELS_PER_GENERATION + self.center
radius = generation * PIXELS_PER_GENERATION + CENTER
# If max generation, and they have parents:
if generation == self.generations - 1 and parents:
# draw an indicator
@ -1004,7 +1041,12 @@ class FanChartWidget(Gtk.DrawingArea):
alloc = self.get_allocation()
x, y, w, h = alloc.x, alloc.y, alloc.width, alloc.height
if self.translating:
if self.form == FORM_CIRCLE:
self.center_xy = w/2 - event.x, h/2 - event.y
elif self.form == FORM_HALFCIRCLE:
self.center_xy = w/2 - event.x, h - CENTER - PAD_PX - event.y
elif self.form == FORM_QUADRANT:
self.center_xy = CENTER + PAD_PX - event.x, h - CENTER - PAD_PX - event.y
else:
cx = w/2 - self.center_xy[0]
cy = h/2 - self.center_xy[1]
@ -1030,20 +1072,20 @@ class FanChartWidget(Gtk.DrawingArea):
generation >= self.generations outside of diagram
"""
# compute angle, radius, find out who would be there (rotated)
alloc = self.get_allocation()
x, y, w, h = alloc.x, alloc.y, alloc.width, alloc.height
cx = w/2 - self.center_xy[0]
cy = h/2 - self.center_xy[1]
# center coordinate
cx = self.center_x
cy = self.center_y
radius = math.sqrt((curx - cx) ** 2 + (cury - cy) ** 2)
if radius < TRANSLATE_PX:
generation = -1
elif (self.childring and self.childrenroot and
radius < TRANSLATE_PX + CHILDRING_WIDTH):
generation = -2 # indication of one of the children
elif radius < self.center:
elif radius < CENTER:
generation = 0
else:
generation = int((radius - self.center)/PIXELS_PER_GENERATION) + 1
generation = int((radius - CENTER)/PIXELS_PER_GENERATION) + 1
rads = math.atan2( (cury - cy), (curx - cx) )
if rads < 0: # second half of unit circle
@ -1131,7 +1173,14 @@ class FanChartWidget(Gtk.DrawingArea):
self.translating = False
alloc = self.get_allocation()
x, y, w, h = alloc.x, alloc.y, alloc.width, alloc.height
if self.form == FORM_CIRCLE:
self.center_xy = w/2 - event.x, h/2 - event.y
self.center_xy = w/2 - event.x, h/2 - event.y
elif self.form == FORM_HALFCIRCLE:
self.center_xy = w/2 - event.x, h - CENTER - PAD_PX - event.y
elif self.form == FORM_QUADRANT:
self.center_xy = CENTER + PAD_PX - event.x, h - CENTER - PAD_PX - event.y
self.last_x, self.last_y = None, None
self.queue_draw()
return True
@ -1202,6 +1251,7 @@ class FanChartGrampsGUI(object):
self.grad_end = '#FF0000'
self.generic_filter = None # the filter to use. Named as in PageView
self.alpha_filter = 0.2 # transparency of filtered out values
self.form = FORM_HALFCIRCLE
def set_fan(self, fan):
"""
@ -1220,7 +1270,7 @@ class FanChartGrampsGUI(object):
self.fan.reset(root_person_handle, self.maxgen, self.background, self.childring,
self.radialtext, self.fonttype,
self.grad_start, self.grad_end,
self.generic_filter, self.alpha_filter)
self.generic_filter, self.alpha_filter, self.form)
self.fan.queue_draw()
def on_popup(self, obj, event, person_handle):

16
src/plugins/view/fanchartview.py
View File

@ -58,10 +58,11 @@ class FanChartView(fanchart.FanChartGrampsGUI, NavigationView):
#settings in the config file
CONFIGSETTINGS = (
('interface.fanview-maxgen', 9),
('interface.fanview-background', 4),
('interface.fanview-background', fanchart.BACKGROUND_GRAD_GEN),
('interface.fanview-childrenring', True),
('interface.fanview-radialtext', True),
('interface.fanview-font', 'Sans'),
('interface.fanview-form', fanchart.FORM_CIRCLE),
('interface.color-start-grad', '#ef2929'),
('interface.color-end-grad', '#3d37e9'),
)
@ -84,6 +85,7 @@ class FanChartView(fanchart.FanChartGrampsGUI, NavigationView):
self.grad_start = self._config.get('interface.color-start-grad')
self.grad_end = self._config.get('interface.color-end-grad')
self.form = self._config.get('interface.fanview-form')
dbstate.connect('active-changed', self.active_changed)
dbstate.connect('database-changed', self.change_db)
@ -298,6 +300,12 @@ class FanChartView(fanchart.FanChartGrampsGUI, NavigationView):
'interface.color-start-grad', col=1)
configdialog.add_color(table, _('End gradient/2nd color'), 4,
'interface.color-end-grad', col=1)
# form of the fan
configdialog.add_combo(table, _('Fan chart type'), 5,
'interface.fanview-form',
((0, _('Full Circle')), (1,_('Half Circle')),
(2, _('Quadrant'))),
callback=self.cb_update_form)
# options users should not change:
configdialog.add_checkbox(table,
@ -339,6 +347,12 @@ class FanChartView(fanchart.FanChartGrampsGUI, NavigationView):
self.background = val
self.update()
def cb_update_form(self, obj, constant):
entry = obj.get_active()
self._config.set(constant, entry)
self.form = entry
self.update()
def cb_update_childrenring(self, client, cnxn_id, entry, data):
"""
Called when the configuration menu changes the childrenring setting.