kopia lustrzana https://github.com/inkstitch/inkstitch
775 wiersze
25 KiB
Python
775 wiersze
25 KiB
Python
# -*- coding: UTF-8 -*-
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import os
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import sys
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import json
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import traceback
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import time
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from threading import Thread, Event
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from copy import copy
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import wx
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from wx.lib.scrolledpanel import ScrolledPanel
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from collections import defaultdict
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from functools import partial
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from itertools import groupby
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from .base import InkstitchExtension
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from ..i18n import _
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from ..stitch_plan import patches_to_stitch_plan
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from ..elements import EmbroideryElement, Fill, AutoFill, Stroke, SatinColumn
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from ..utils import save_stderr, restore_stderr
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from ..simulator import EmbroiderySimulator
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def presets_path():
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try:
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import appdirs
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config_path = appdirs.user_config_dir('inkstitch')
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except ImportError:
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config_path = os.path.expanduser('~/.inkstitch')
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if not os.path.exists(config_path):
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os.makedirs(config_path)
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return os.path.join(config_path, 'presets.json')
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def load_presets():
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try:
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with open(presets_path(), 'r') as presets:
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presets = json.load(presets)
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return presets
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except:
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return {}
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def save_presets(presets):
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with open(presets_path(), 'w') as presets_file:
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json.dump(presets, presets_file)
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def load_preset(name):
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return load_presets().get(name)
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def save_preset(name, data):
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presets = load_presets()
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presets[name] = data
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save_presets(presets)
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def delete_preset(name):
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presets = load_presets()
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presets.pop(name, None)
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save_presets(presets)
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def confirm_dialog(parent, question, caption = 'ink/stitch'):
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dlg = wx.MessageDialog(parent, question, caption, wx.YES_NO | wx.ICON_QUESTION)
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result = dlg.ShowModal() == wx.ID_YES
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dlg.Destroy()
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return result
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def info_dialog(parent, message, caption = 'ink/stitch'):
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dlg = wx.MessageDialog(parent, message, caption, wx.OK | wx.ICON_INFORMATION)
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dlg.ShowModal()
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dlg.Destroy()
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class ParamsTab(ScrolledPanel):
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def __init__(self, *args, **kwargs):
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self.params = kwargs.pop('params', [])
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self.name = kwargs.pop('name', None)
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self.nodes = kwargs.pop('nodes')
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kwargs["style"] = wx.TAB_TRAVERSAL
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ScrolledPanel.__init__(self, *args, **kwargs)
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self.SetupScrolling()
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self.changed_inputs = set()
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self.dependent_tabs = []
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self.parent_tab = None
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self.param_inputs = {}
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self.paired_tab = None
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self.disable_notify_pair = False
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toggles = [param for param in self.params if param.type == 'toggle']
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if toggles:
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self.toggle = toggles[0]
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self.params.remove(self.toggle)
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self.toggle_checkbox = wx.CheckBox(self, label=self.toggle.description)
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value = any(self.toggle.values)
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if self.toggle.inverse:
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value = not value
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self.toggle_checkbox.SetValue(value)
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self.toggle_checkbox.Bind(wx.EVT_CHECKBOX, self.update_toggle_state)
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self.toggle_checkbox.Bind(wx.EVT_CHECKBOX, self.changed)
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self.param_inputs[self.toggle.name] = self.toggle_checkbox
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else:
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self.toggle = None
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self.settings_grid = wx.FlexGridSizer(rows=0, cols=3, hgap=10, vgap=10)
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self.settings_grid.AddGrowableCol(0, 1)
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self.settings_grid.SetFlexibleDirection(wx.HORIZONTAL)
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self.__set_properties()
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self.__do_layout()
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if self.toggle:
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self.update_toggle_state()
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# end wxGlade
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def pair(self, tab):
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# print self.name, "paired with", tab.name
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self.paired_tab = tab
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self.update_description()
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def add_dependent_tab(self, tab):
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self.dependent_tabs.append(tab)
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self.update_description()
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def set_parent_tab(self, tab):
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self.parent_tab = tab
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def is_dependent_tab(self):
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return self.parent_tab is not None
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def enabled(self):
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if self.toggle_checkbox:
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return self.toggle_checkbox.IsChecked()
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else:
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return True
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def update_toggle_state(self, event=None, notify_pair=True):
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enable = self.enabled()
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# print self.name, "update_toggle_state", enable
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for child in self.settings_grid.GetChildren():
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widget = child.GetWindow()
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if widget:
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child.GetWindow().Enable(enable)
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if notify_pair and self.paired_tab:
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self.paired_tab.pair_changed(enable)
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for tab in self.dependent_tabs:
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tab.dependent_enable(enable)
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if event:
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event.Skip()
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def pair_changed(self, value):
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# print self.name, "pair_changed", value
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new_value = not value
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if self.enabled() != new_value:
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self.set_toggle_state(not value)
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self.update_toggle_state(notify_pair=False)
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if self.on_change_hook:
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self.on_change_hook(self)
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def dependent_enable(self, enable):
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if enable:
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self.toggle_checkbox.Enable()
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else:
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self.set_toggle_state(False)
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self.toggle_checkbox.Disable()
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self.update_toggle_state()
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if self.on_change_hook:
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self.on_change_hook(self)
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def set_toggle_state(self, value):
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if self.toggle_checkbox:
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self.toggle_checkbox.SetValue(value)
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self.changed_inputs.add(self.toggle_checkbox)
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def get_values(self):
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values = {}
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if self.toggle:
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checked = self.enabled()
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if self.toggle_checkbox in self.changed_inputs and not self.toggle.inverse:
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values[self.toggle.name] = checked
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if not checked:
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# Ignore params on this tab if the toggle is unchecked,
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# because they're grayed out anyway.
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return values
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for name, input in self.param_inputs.iteritems():
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if input in self.changed_inputs and input != self.toggle_checkbox:
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values[name] = input.GetValue()
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return values
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def apply(self):
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values = self.get_values()
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for node in self.nodes:
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# print >> sys.stderr, "apply: ", self.name, node.id, values
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for name, value in values.iteritems():
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node.set_param(name, value)
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def on_change(self, callable):
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self.on_change_hook = callable
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def changed(self, event):
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self.changed_inputs.add(event.GetEventObject())
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event.Skip()
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if self.on_change_hook:
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self.on_change_hook(self)
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def load_preset(self, preset):
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preset_data = preset.get(self.name, {})
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for name, value in preset_data.iteritems():
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if name in self.param_inputs:
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self.param_inputs[name].SetValue(value)
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self.changed_inputs.add(self.param_inputs[name])
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self.update_toggle_state()
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def save_preset(self, storage):
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preset = storage[self.name] = {}
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for name, input in self.param_inputs.iteritems():
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preset[name] = input.GetValue()
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def update_description(self):
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if len(self.nodes) == 1:
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description = _("These settings will be applied to 1 object.")
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else:
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description = _("These settings will be applied to %d objects.") % len(self.nodes)
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if any(len(param.values) > 1 for param in self.params):
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description += "\n • " + _("Some settings had different values across objects. Select a value from the dropdown or enter a new one.")
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if self.dependent_tabs:
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if len(self.dependent_tabs) == 1:
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description += "\n • " + _("Disabling this tab will disable the following %d tabs.") % len(self.dependent_tabs)
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else:
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description += "\n • " + _("Disabling this tab will disable the following tab.")
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if self.paired_tab:
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description += "\n • " + _("Enabling this tab will disable %s and vice-versa.") % self.paired_tab.name
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self.description_text = description
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def resized(self, event):
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if not hasattr(self, 'rewrap_timer'):
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self.rewrap_timer = wx.Timer()
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self.rewrap_timer.Bind(wx.EVT_TIMER, self.rewrap)
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# If we try to rewrap every time we get EVT_SIZE then a resize is
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# extremely slow.
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self.rewrap_timer.Start(50, oneShot=True)
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event.Skip()
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def rewrap(self, event=None):
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self.description.SetLabel(self.description_text)
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self.description.Wrap(self.GetSize().x - 20)
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self.description_container.Layout()
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if event:
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event.Skip()
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def __set_properties(self):
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# begin wxGlade: SatinPane.__set_properties
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# end wxGlade
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pass
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def __do_layout(self):
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# just to add space around the settings
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box = wx.BoxSizer(wx.VERTICAL)
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summary_box = wx.StaticBox(self, wx.ID_ANY, label=_("Inkscape objects"))
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sizer = wx.StaticBoxSizer(summary_box, wx.HORIZONTAL)
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# sizer = wx.BoxSizer(wx.HORIZONTAL)
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self.description = wx.StaticText(self)
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self.update_description()
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self.description.SetLabel(self.description_text)
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self.description_container = box
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self.Bind(wx.EVT_SIZE, self.resized)
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sizer.Add(self.description, proportion=0, flag=wx.EXPAND|wx.ALL, border=5)
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box.Add(sizer, proportion=0, flag=wx.ALL, border=5)
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if self.toggle:
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box.Add(self.toggle_checkbox, proportion=0, flag=wx.BOTTOM, border=10)
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for param in self.params:
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description = wx.StaticText(self, label=param.description)
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description.SetToolTip(param.tooltip)
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self.settings_grid.Add(description, proportion=1, flag=wx.EXPAND|wx.RIGHT, border=40)
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if param.type == 'boolean':
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if len(param.values) > 1:
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input = wx.CheckBox(self, style=wx.CHK_3STATE)
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input.Set3StateValue(wx.CHK_UNDETERMINED)
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else:
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input = wx.CheckBox(self)
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if param.values:
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input.SetValue(param.values[0])
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input.Bind(wx.EVT_CHECKBOX, self.changed)
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elif len(param.values) > 1:
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input = wx.ComboBox(self, wx.ID_ANY, choices=sorted(param.values), style=wx.CB_DROPDOWN)
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input.Bind(wx.EVT_COMBOBOX, self.changed)
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input.Bind(wx.EVT_TEXT, self.changed)
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else:
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value = param.values[0] if param.values else ""
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input = wx.TextCtrl(self, wx.ID_ANY, value=str(value))
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input.Bind(wx.EVT_TEXT, self.changed)
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self.param_inputs[param.name] = input
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self.settings_grid.Add(input, proportion=1, flag=wx.ALIGN_CENTER_VERTICAL)
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self.settings_grid.Add(wx.StaticText(self, label=param.unit or ""), proportion=1, flag=wx.ALIGN_CENTER_VERTICAL)
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box.Add(self.settings_grid, proportion=1, flag=wx.ALL, border=10)
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self.SetSizer(box)
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self.Layout()
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# end of class SatinPane
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class SettingsFrame(wx.Frame):
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def __init__(self, *args, **kwargs):
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# begin wxGlade: MyFrame.__init__
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self.tabs_factory = kwargs.pop('tabs_factory', [])
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self.cancel_hook = kwargs.pop('on_cancel', None)
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wx.Frame.__init__(self, None, wx.ID_ANY,
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_("Embroidery Params")
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)
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self.notebook = wx.Notebook(self, wx.ID_ANY)
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self.tabs = self.tabs_factory(self.notebook)
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for tab in self.tabs:
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tab.on_change(self.update_simulator)
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self.simulate_window = None
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self.simulate_thread = None
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self.simulate_refresh_needed = Event()
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# used when closing to avoid having the window reopen at the last second
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self.disable_simulate_window = False
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wx.CallLater(1000, self.update_simulator)
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self.presets_box = wx.StaticBox(self, wx.ID_ANY, label=_("Presets"))
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self.preset_chooser = wx.ComboBox(self, wx.ID_ANY)
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self.update_preset_list()
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self.load_preset_button = wx.Button(self, wx.ID_ANY, _("Load"))
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self.load_preset_button.Bind(wx.EVT_BUTTON, self.load_preset)
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self.add_preset_button = wx.Button(self, wx.ID_ANY, _("Add"))
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self.add_preset_button.Bind(wx.EVT_BUTTON, self.add_preset)
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self.overwrite_preset_button = wx.Button(self, wx.ID_ANY, _("Overwrite"))
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self.overwrite_preset_button.Bind(wx.EVT_BUTTON, self.overwrite_preset)
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self.delete_preset_button = wx.Button(self, wx.ID_ANY, _("Delete"))
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self.delete_preset_button.Bind(wx.EVT_BUTTON, self.delete_preset)
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self.cancel_button = wx.Button(self, wx.ID_ANY, _("Cancel"))
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self.cancel_button.Bind(wx.EVT_BUTTON, self.cancel)
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self.Bind(wx.EVT_CLOSE, self.cancel)
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self.use_last_button = wx.Button(self, wx.ID_ANY, _("Use Last Settings"))
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self.use_last_button.Bind(wx.EVT_BUTTON, self.use_last)
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self.apply_button = wx.Button(self, wx.ID_ANY, _("Apply and Quit"))
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self.apply_button.Bind(wx.EVT_BUTTON, self.apply)
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self.__set_properties()
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self.__do_layout()
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# end wxGlade
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def update_simulator(self, tab=None):
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if self.simulate_window:
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self.simulate_window.stop()
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self.simulate_window.clear()
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if self.disable_simulate_window:
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return
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if not self.simulate_thread or not self.simulate_thread.is_alive():
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self.simulate_thread = Thread(target=self.simulate_worker)
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self.simulate_thread.daemon = True
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self.simulate_thread.start()
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self.simulate_refresh_needed.set()
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def simulate_worker(self):
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while True:
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self.simulate_refresh_needed.wait()
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self.simulate_refresh_needed.clear()
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self.update_patches()
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def update_patches(self):
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patches = self.generate_patches()
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if patches and not self.simulate_refresh_needed.is_set():
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wx.CallAfter(self.refresh_simulator, patches)
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def refresh_simulator(self, patches):
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stitch_plan = patches_to_stitch_plan(patches)
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if self.simulate_window:
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self.simulate_window.stop()
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self.simulate_window.load(stitch_plan=stitch_plan)
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else:
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my_rect = self.GetRect()
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simulator_pos = my_rect.GetTopRight()
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simulator_pos.x += 5
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screen_rect = wx.Display(0).ClientArea
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max_width = screen_rect.GetWidth() - my_rect.GetWidth()
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max_height = screen_rect.GetHeight()
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try:
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self.simulate_window = EmbroiderySimulator(None, -1, _("Preview"),
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simulator_pos,
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size=(300, 300),
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stitch_plan=stitch_plan,
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on_close=self.simulate_window_closed,
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target_duration=5,
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max_width=max_width,
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max_height=max_height)
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except:
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error = traceback.format_exc()
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try:
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# a window may have been created, so we need to destroy it
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# or the app will never exit
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wx.Window.FindWindowByName("Preview").Destroy()
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except:
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pass
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info_dialog(self, error, _("Internal Error"))
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self.simulate_window.Show()
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wx.CallLater(10, self.Raise)
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wx.CallAfter(self.simulate_window.go)
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def simulate_window_closed(self):
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self.simulate_window = None
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def generate_patches(self):
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patches = []
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nodes = []
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for tab in self.tabs:
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tab.apply()
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if tab.enabled() and not tab.is_dependent_tab():
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nodes.extend(tab.nodes)
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# sort nodes into the proper stacking order
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nodes.sort(key=lambda node: node.order)
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try:
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for node in nodes:
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if self.simulate_refresh_needed.is_set():
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# cancel; params were updated and we need to start over
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return []
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# Making a copy of the embroidery element is an easy
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# way to drop the cache in the @cache decorators used
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# for many params in embroider.py.
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patches.extend(copy(node).embroider(None))
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except SystemExit:
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raise
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except:
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# Ignore errors. This can be things like incorrect paths for
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# satins or division by zero caused by incorrect param values.
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pass
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return patches
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|
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def update_preset_list(self):
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preset_names = load_presets().keys()
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preset_names = [preset for preset in preset_names if preset != "__LAST__"]
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self.preset_chooser.SetItems(sorted(preset_names))
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def get_preset_name(self):
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preset_name = self.preset_chooser.GetValue().strip()
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if preset_name:
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return preset_name
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else:
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info_dialog(self, _("Please enter or select a preset name first."), caption=_('Preset'))
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return
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|
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def check_and_load_preset(self, preset_name):
|
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preset = load_preset(preset_name)
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if not preset:
|
|
info_dialog(self, _('Preset "%s" not found.') % preset_name, caption=_('Preset'))
|
|
|
|
return preset
|
|
|
|
def get_preset_data(self):
|
|
preset = {}
|
|
|
|
current_tab = self.tabs[self.notebook.GetSelection()]
|
|
while current_tab.parent_tab:
|
|
current_tab = current_tab.parent_tab
|
|
|
|
tabs = [current_tab]
|
|
if current_tab.paired_tab:
|
|
tabs.append(current_tab.paired_tab)
|
|
tabs.extend(current_tab.paired_tab.dependent_tabs)
|
|
tabs.extend(current_tab.dependent_tabs)
|
|
|
|
for tab in tabs:
|
|
tab.save_preset(preset)
|
|
|
|
return preset
|
|
|
|
def add_preset(self, event, overwrite=False):
|
|
preset_name = self.get_preset_name()
|
|
if not preset_name:
|
|
return
|
|
|
|
if not overwrite and load_preset(preset_name):
|
|
info_dialog(self, _('Preset "%s" already exists. Please use another name or press "Overwrite"') % preset_name, caption=_('Preset'))
|
|
|
|
save_preset(preset_name, self.get_preset_data())
|
|
self.update_preset_list()
|
|
|
|
event.Skip()
|
|
|
|
def overwrite_preset(self, event):
|
|
self.add_preset(event, overwrite=True)
|
|
|
|
|
|
def _load_preset(self, preset_name):
|
|
preset = self.check_and_load_preset(preset_name)
|
|
if not preset:
|
|
return
|
|
|
|
for tab in self.tabs:
|
|
tab.load_preset(preset)
|
|
|
|
|
|
def load_preset(self, event):
|
|
preset_name = self.get_preset_name()
|
|
if not preset_name:
|
|
return
|
|
|
|
self._load_preset(preset_name)
|
|
|
|
event.Skip()
|
|
|
|
|
|
def delete_preset(self, event):
|
|
preset_name = self.get_preset_name()
|
|
if not preset_name:
|
|
return
|
|
|
|
preset = self.check_and_load_preset(preset_name)
|
|
if not preset:
|
|
return
|
|
|
|
delete_preset(preset_name)
|
|
self.update_preset_list()
|
|
self.preset_chooser.SetValue("")
|
|
|
|
event.Skip()
|
|
|
|
def _apply(self):
|
|
for tab in self.tabs:
|
|
tab.apply()
|
|
|
|
def apply(self, event):
|
|
self._apply()
|
|
save_preset("__LAST__", self.get_preset_data())
|
|
self.close()
|
|
|
|
def use_last(self, event):
|
|
self.disable_simulate_window = True
|
|
self._load_preset("__LAST__")
|
|
self.apply(event)
|
|
|
|
def close(self):
|
|
if self.simulate_window:
|
|
self.simulate_window.stop()
|
|
self.simulate_window.Close()
|
|
|
|
self.Destroy()
|
|
|
|
def cancel(self, event):
|
|
if self.cancel_hook:
|
|
self.cancel_hook()
|
|
|
|
self.close()
|
|
|
|
def __set_properties(self):
|
|
# begin wxGlade: MyFrame.__set_properties
|
|
self.notebook.SetMinSize((800, 600))
|
|
self.preset_chooser.SetSelection(-1)
|
|
# end wxGlade
|
|
|
|
def __do_layout(self):
|
|
# begin wxGlade: MyFrame.__do_layout
|
|
sizer_1 = wx.BoxSizer(wx.VERTICAL)
|
|
#self.sizer_3_staticbox.Lower()
|
|
sizer_2 = wx.StaticBoxSizer(self.presets_box, wx.HORIZONTAL)
|
|
sizer_3 = wx.BoxSizer(wx.HORIZONTAL)
|
|
for tab in self.tabs:
|
|
self.notebook.AddPage(tab, tab.name)
|
|
sizer_1.Add(self.notebook, 1, wx.EXPAND|wx.LEFT|wx.TOP|wx.RIGHT, 10)
|
|
sizer_2.Add(self.preset_chooser, 1, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
|
|
sizer_2.Add(self.load_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
|
|
sizer_2.Add(self.add_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
|
|
sizer_2.Add(self.overwrite_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
|
|
sizer_2.Add(self.delete_preset_button, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
|
|
sizer_1.Add(sizer_2, 0, flag=wx.EXPAND|wx.ALL, border=10)
|
|
sizer_3.Add(self.cancel_button, 0, wx.ALIGN_RIGHT|wx.RIGHT, 5)
|
|
sizer_3.Add(self.use_last_button, 0, wx.ALIGN_RIGHT|wx.RIGHT|wx.BOTTOM, 5)
|
|
sizer_3.Add(self.apply_button, 0, wx.ALIGN_RIGHT|wx.RIGHT|wx.BOTTOM, 5)
|
|
sizer_1.Add(sizer_3, 0, wx.ALIGN_RIGHT, 0)
|
|
self.SetSizer(sizer_1)
|
|
sizer_1.Fit(self)
|
|
self.Layout()
|
|
# end wxGlade
|
|
|
|
class NoValidObjects(Exception):
|
|
pass
|
|
|
|
class Params(InkstitchExtension):
|
|
def __init__(self, *args, **kwargs):
|
|
self.cancelled = False
|
|
InkstitchExtension.__init__(self, *args, **kwargs)
|
|
|
|
def embroidery_classes(self, node):
|
|
element = EmbroideryElement(node)
|
|
classes = []
|
|
|
|
if element.get_style("fill"):
|
|
classes.append(AutoFill)
|
|
classes.append(Fill)
|
|
|
|
if element.get_style("stroke"):
|
|
classes.append(Stroke)
|
|
|
|
if element.get_style("stroke-dasharray") is None:
|
|
classes.append(SatinColumn)
|
|
|
|
return classes
|
|
|
|
def get_nodes_by_class(self):
|
|
nodes = self.get_nodes()
|
|
nodes_by_class = defaultdict(list)
|
|
|
|
for z, node in enumerate(nodes):
|
|
for cls in self.embroidery_classes(node):
|
|
element = cls(node)
|
|
element.order = z
|
|
nodes_by_class[cls].append(element)
|
|
|
|
return sorted(nodes_by_class.items(), key=lambda (cls, nodes): cls.__name__)
|
|
|
|
def get_values(self, param, nodes):
|
|
getter = 'get_param'
|
|
|
|
if param.type in ('toggle', 'boolean'):
|
|
getter = 'get_boolean_param'
|
|
else:
|
|
getter = 'get_param'
|
|
|
|
values = filter(lambda item: item is not None,
|
|
(getattr(node, getter)(param.name, str(param.default)) for node in nodes))
|
|
|
|
return values
|
|
|
|
def group_params(self, params):
|
|
def by_group_and_sort_index(param):
|
|
return param.group, param.sort_index
|
|
|
|
def by_group(param):
|
|
return param.group
|
|
|
|
return groupby(sorted(params, key=by_group_and_sort_index), by_group)
|
|
|
|
def create_tabs(self, parent):
|
|
tabs = []
|
|
nodes_by_class = self.get_nodes_by_class()
|
|
|
|
if not nodes_by_class:
|
|
raise NoValidObjects()
|
|
|
|
for cls, nodes in self.get_nodes_by_class():
|
|
params = cls.get_params()
|
|
|
|
for param in params:
|
|
param.values = list(set(self.get_values(param, nodes)))
|
|
|
|
parent_tab = None
|
|
new_tabs = []
|
|
for group, params in self.group_params(params):
|
|
tab = ParamsTab(parent, id=wx.ID_ANY, name=group or cls.element_name, params=list(params), nodes=nodes)
|
|
new_tabs.append(tab)
|
|
|
|
if group is None:
|
|
parent_tab = tab
|
|
|
|
for tab in new_tabs:
|
|
if tab != parent_tab:
|
|
parent_tab.add_dependent_tab(tab)
|
|
tab.set_parent_tab(parent_tab)
|
|
|
|
tabs.extend(new_tabs)
|
|
|
|
for tab in tabs:
|
|
if tab.toggle and tab.toggle.inverse:
|
|
for other_tab in tabs:
|
|
if other_tab != tab and other_tab.toggle.name == tab.toggle.name:
|
|
tab.pair(other_tab)
|
|
other_tab.pair(tab)
|
|
|
|
def tab_sort_key(tab):
|
|
parent = tab.parent_tab or tab
|
|
|
|
sort_key = (
|
|
# For Stroke and SatinColumn, place the one that's
|
|
# enabled first. Place dependent tabs first too.
|
|
parent.toggle and parent.toggle_checkbox.IsChecked(),
|
|
|
|
# If multiple tabs are enabled, make sure dependent
|
|
# tabs are grouped with the parent.
|
|
parent,
|
|
|
|
# Within parent/dependents, put the parent first.
|
|
tab == parent
|
|
)
|
|
|
|
return sort_key
|
|
|
|
tabs.sort(key=tab_sort_key, reverse=True)
|
|
|
|
return tabs
|
|
|
|
|
|
def cancel(self):
|
|
self.cancelled = True
|
|
|
|
def effect(self):
|
|
try:
|
|
app = wx.App()
|
|
frame = SettingsFrame(tabs_factory=self.create_tabs, on_cancel=self.cancel)
|
|
frame.Show()
|
|
app.MainLoop()
|
|
|
|
if self.cancelled:
|
|
# This prevents the superclass from outputting the SVG, because we
|
|
# may have modified the DOM.
|
|
sys.exit(0)
|
|
except NoValidObjects:
|
|
self.no_elements_error()
|