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# Copyright 2011 Jake Ross
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ===============================================================================
# ===============================================================================
# Copyright 2013 Jake Ross
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ===============================================================================
# ============= enthought library imports =======================
from enable.abstract_overlay import AbstractOverlay
from kiva import Font
from traits.api import Any
# ============= standard library imports ========================
# ============= local library imports ==========================
from pychron.canvas.canvas2D.scene.loading_scene import LoadingScene
from pychron.canvas.canvas2D.scene.primitives.primitives import LoadIndicator
from pychron.canvas.canvas2D.scene.scene_canvas import SceneCanvas
def group_position(pos, func=None):
pos = sorted(pos)
pp = pos[0]
stack = [pp]
ss = []
for pi in pos[1:]:
if not pp + 1 == pi:
ss.append(func(stack) if func else stack)
stack = []
stack.append(pi)
pp = pi
if stack:
ss.append(func(stack) if func else stack)
return ss
class LoadingOverlay(AbstractOverlay):
info_str = ""
font = Font("Arial")
def overlay(self, other_component, gc, view_bounds=None, mode="normal"):
if self.info_str:
with gc:
gc.set_font(self.font)
lines = self.info_str.split("\n")
lws, lhs = list(zip(*[gc.get_full_text_extent(mi)[:2] for mi in lines]))
rect_width = max(lws) + 4
rect_height = (max(lhs) + 2) * len(lhs)
gc.translate_ctm(self.x + 15, self.y - rect_height)
gc.set_fill_color((0.7, 0.7, 0.7))
gc.rect(-3, -3, rect_width + 6, rect_height + 6)
gc.draw_path()
gc.set_fill_color((0, 0, 0))
lh = max(lhs) + 2
for i, li in enumerate(lines[::-1]):
gc.set_text_position(0, i * lh)
gc.show_text(li)
def set_item(self, item):
if item and item.fill:
msg = "hole: {}\nlabnumber: " "{}\nweight: {}mg\nnote: {}".format(
item.name, item.labnumber_label.text, item.weight_label.text, item.note
)
self.info_str = msg
else:
self.info_str = ""
class LoadingCanvas(SceneCanvas):
use_pan = False
use_zoom = False
selected = Any
# fill_padding = True
# bgcolor = 'red'
show_axes = False
show_grids = False
padding_top = 0
padding_bottom = 0
padding_left = 0
padding_right = 0
aspect_ratio = 1
editable = True
scene_klass = LoadingScene
current_item = None
popup = None
_last_position = 1
def load_scene(self, t, **kw):
self.overlays = []
scene = self.scene_klass()
scene.load(t, **kw)
self.view_x_range = scene.get_xrange()
self.view_y_range = scene.get_yrange()
self.scene = scene
self.popup = LoadingOverlay()
self.popup.visible = False
self.overlays.append(self.popup)
def get_selection(self):
return [item for item in self.scene.get_items(LoadIndicator) if item.state]
# def edit_left_down(self, event):
# if self.editable:
# sel = self.hittest(event)
# if sel:
# sel.state = not sel.state
#
# self.selected = sel
#
# # self.selected = self.hittest(event)
# # self.selected.state = not self.selected.state
# self.request_redraw()
def normal_left_down(self, event):
sel = self.hittest(event)
if sel:
if self.editable:
self.selected = sel
# self._counter = int(sel.name)+1
else:
sel.state = not sel.state
self.selected = sel
self.request_redraw()
self.selected = None
def hittest(self, event):
if self.scene:
for li in self.scene.layers:
for it in li.components:
# it.canvas = self
if it.canvas and it.is_in(event.x, event.y):
return it
def normal_mouse_leave(self, event):
pass
def normal_mouse_move(self, event):
if self.editable:
self.current_item = self.hittest(event)
if self.current_item:
event.window.set_pointer(self.cross_pointer)
else:
self._set_normal_pointer(event)
def set_last_position(self, pos):
self._last_position = pos
def normal_key_pressed(self, event):
if event.character == "Enter":
self.selected = self.scene.get_item(
str(self._last_position), klass=LoadIndicator
)
self.request_redraw()
# def info_left_down(self, event):
# self.edit_left_down(event)
#
# def info_mouse_move(self, event):
# self.popup.x, self.popup.y = event.x, event.y
# self.current_item = self.hittest(event)
# if self.current_item:
#
# event.window.set_pointer(self.pointer)
# self.popup.set_item(self.current_item)
# self.popup.visible = True
# else:
# self.popup.visible = False
# self._set_normal_pointer(event)
#
# self.request_redraw()
#
# def info_mouse_leave(self, event):
# self.popup.visible = False
# self.request_redraw()
def _set_normal_pointer(self, event):
event.window.set_pointer(self.normal_pointer)
# def _pop(self):
# self.popup.set_item(self.current_item)
# self.popup.visible = True
# self.request_redraw()
# ============= EOF =============================================
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