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from itertools import chain
import textwrap
import inkex
from ..commands import add_layer_commands
from ..elements.validation import ValidationWarning, ValidationError
from ..i18n import _
from ..svg import get_correction_transform
from ..svg.tags import (INKSCAPE_GROUPMODE, INKSCAPE_LABEL,
SODIPODI_ROLE, SVG_GROUP_TAG, SVG_PATH_TAG,
SVG_TEXT_TAG, SVG_TSPAN_TAG)
from .base import InkstitchExtension
class Troubleshoot(InkstitchExtension):
def effect(self):
if not self.get_elements():
return
self.create_troubleshoot_layer()
problem_types = set()
for element in self.elements:
for problem in chain(element.validation_errors(), element.validation_warnings()):
problem_types.add(type(problem))
self.insert_pointer(problem)
if problem_types:
self.add_descriptions(problem_types)
else:
svg = self.document.getroot()
svg.remove(self.troubleshoot_layer)
message = _("All selected shapes are valid!")
message += "\n\n"
message += _("Tip: If you are still having an issue with an object not being rendered, "
"you might need to convert it it to a path (Path -> Object to Path) or check if it is possibly in an ignored layer.")
inkex.errormsg(message)
def insert_pointer(self, problem):
correction_transform = get_correction_transform(self.troubleshoot_layer)
if isinstance(problem, ValidationWarning):
fill_color = "#ffdd00"
layer = self.warning_group
elif isinstance(problem, ValidationError):
fill_color = "#ff0000"
layer = self.error_group
pointer_style = "stroke:#ffffff;stroke-width:0.2;fill:%s;" % (fill_color)
text_style = "fill:%s;stroke:#ffffff;stroke-width:0.2;font-size:8px;text-align:center;text-anchor:middle" % (fill_color)
path = inkex.etree.Element(
SVG_PATH_TAG,
{
"id": self.uniqueId("inkstitch__invalid_pointer__"),
"d": "m %s,%s 4,20 h -8 l 4,-20" % (problem.position.x, problem.position.y),
"style": pointer_style,
INKSCAPE_LABEL: _('Invalid Pointer'),
"transform": correction_transform
}
)
layer.insert(0, path)
text = inkex.etree.Element(
SVG_TEXT_TAG,
{
INKSCAPE_LABEL: _('Description'),
"x": str(problem.position.x),
"y": str(float(problem.position.y) + 30),
"transform": correction_transform,
"style": text_style
}
)
layer.append(text)
tspan = inkex.etree.Element(SVG_TSPAN_TAG)
tspan.text = problem.name
text.append(tspan)
def create_troubleshoot_layer(self):
svg = self.document.getroot()
layer = svg.find(".//*[@id='__validation_layer__']")
if layer is None:
layer = inkex.etree.Element(
SVG_GROUP_TAG,
{
'id': '__validation_layer__',
INKSCAPE_LABEL: _('Troubleshoot'),
INKSCAPE_GROUPMODE: 'layer',
})
svg.append(layer)
else:
# Clear out everything from the last run
del layer[:]
add_layer_commands(layer, ["ignore_layer"])
error_group = inkex.etree.SubElement(
layer,
SVG_GROUP_TAG,
{
"id": '__validation_errors__',
INKSCAPE_LABEL: _("Errors"),
})
layer.append(error_group)
warning_group = inkex.etree.SubElement(
layer,
SVG_GROUP_TAG,
{
"id": '__validation_warnings__',
INKSCAPE_LABEL: _("Warnings"),
})
layer.append(warning_group)
self.troubleshoot_layer = layer
self.error_group = error_group
self.warning_group = warning_group
def add_descriptions(self, problem_types):
svg = self.document.getroot()
text_x = str(self.unittouu(svg.get('width')) + 5)
text_container = inkex.etree.Element(
SVG_TEXT_TAG,
{
"x": text_x,
"y": str(5),
"style": "fill:#000000;font-size:5px;line-height:1;"
}
)
self.troubleshoot_layer.append(text_container)
text = [
[_("Troubleshoot"), "font-weight: bold; font-size: 6px;"],
["", ""]
]
for problem in problem_types:
text_color = "#ff0000"
if issubclass(problem, ValidationWarning):
text_color = "#ffdd00"
text.append([problem.name, "font-weight: bold; fill:%s;" % text_color])
description_parts = textwrap.wrap(problem.description, 60)
for description in description_parts:
text.append([description, "font-size: 3px;"])
text.append(["", ""])
for step in problem.steps_to_solve:
text.append([step, "font-size: 4px;"])
text.append(["", ""])
explain_layer = _('It is possible, that one object contains more than one error, ' +
'yet there will be only one pointer per object. Run this function again, ' +
'when further errors occur. Remove pointers by deleting the layer named '
'"Troubleshoot" through the objects panel (Object -> Objects...).')
explain_layer_parts = textwrap.wrap(explain_layer, 60)
for description in explain_layer_parts:
text.append([description, "font-style: italic; font-size: 3px;"])
for text_line in text:
tspan = inkex.etree.Element(
SVG_TSPAN_TAG,
{
SODIPODI_ROLE: "line",
"style": text_line[1]
}
)
tspan.text = text_line[0]
text_container.append(tspan)
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