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| from enable.abstract_overlay import AbstractOverlay |
| from kiva import Font |
| from traits.api import Any |
|
|
| |
| |
| 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 |
| |
| |
| 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] |
|
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| def normal_left_down(self, event): |
| sel = self.hittest(event) |
| if sel: |
| if self.editable: |
| self.selected = sel |
| |
| 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: |
| |
| 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() |
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|
| def _set_normal_pointer(self, event): |
| event.window.set_pointer(self.normal_pointer) |
|
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