WireViz/src/wireviz/wv_gv_html.py
2023-09-12 19:37:09 +02:00

359 lines
11 KiB
Python

# -*- coding: utf-8 -*-
import re
from itertools import zip_longest
from typing import List, Optional, Union
from wireviz.DataClasses import Cable, Color, Component, Connector, Options
from wireviz.wv_colors import get_color_hex, translate_color
from wireviz.wv_helper import pn_info_string, remove_links
from wireviz.wv_table_util import * # TODO: explicitly import each needed tag later
HEADER_PN = "P/N"
HEADER_MPN = "MPN"
HEADER_SPN = "SPN"
def gv_node_component(
component: Component, harness_options: Options, pad=None
) -> Table:
# If no wires connected (except maybe loop wires)?
if isinstance(component, Connector):
if not (component.ports_left or component.ports_right):
component.ports_left = True # Use left side pins by default
# generate all rows to be shown in the node
if component.show_name:
str_name = f"{remove_links(component.name)}"
line_name = colored_cell(str_name, component.bgcolor_title)
else:
line_name = None
line_pn = part_number_str_list(component)
if isinstance(component, Connector):
line_info = [
html_line_breaks(component.type),
html_line_breaks(component.subtype),
f"{component.pincount}-pin" if component.show_pincount else None,
translate_color(component.color, harness_options.color_mode),
colorbar_cell(component.color),
]
elif isinstance(component, Cable):
line_info = [
html_line_breaks(component.type),
f"{component.wirecount}x" if component.show_wirecount else None,
f"{component.gauge_str}" if component.gauge else None,
"+ S" if component.shield else None,
f"{component.length} {component.length_unit}"
if component.length > 0
else None,
translate_color(component.color, harness_options.color_mode),
colorbar_cell(component.color),
]
line_image, line_image_caption = image_and_caption_cells(component)
# line_additional_component_table = get_additional_component_table(self, connector)
line_additional_component_table = None
line_notes = [html_line_breaks(component.notes)]
if isinstance(component, Connector):
if component.style != "simple":
line_ports = gv_pin_table(component)
else:
line_ports = None
elif isinstance(component, Cable):
line_ports = gv_conductor_table(component, harness_options)
lines = [
line_name,
line_pn,
line_info,
line_ports,
line_image,
line_image_caption,
line_additional_component_table,
line_notes,
]
tbl = nested_table(lines)
if component.bgcolor:
tbl.attribs["bgcolor"] = translate_color(component.bgcolor, "HEX")
else:
if isinstance(component, Connector) and harness_options.bgcolor_connector:
tbl.attribs["bgcolor"] = translate_color(
harness_options.bgcolor_connector, "HEX"
)
elif isinstance(component, Cable) and harness_options.bgcolor_cable:
tbl.attribs["bgcolor"] = translate_color(
harness_options.bgcolor_cable, "HEX"
)
return tbl
def make_list_of_cells(inp) -> List[Td]:
# inp may be List,
if isinstance(inp, List):
# ensure all list items are Td
list_out = [item if isinstance(item, Td) else Td(item) for item in inp]
return list_out
else:
if inp is None:
return []
if isinstance(inp, Td):
return [inp]
else:
return [Td(inp)]
def nested_table(lines: List[Td]) -> Table:
cell_lists = [make_list_of_cells(line) for line in lines]
rows = []
for lst in cell_lists:
if len(lst) == 0:
continue # no cells in list
cells = [item for item in lst if item.contents is not None]
if len(cells) == 0:
continue # no cells in list that are not None
if (
len(cells) == 1
and isinstance(cells[0].contents, Table)
and not "!" in cells[0].contents.attribs.get("id", "")
):
# cell content is already a table, no need to re-wrap it;
# unless explicitly asked to by a "!" in the ID field
# as used by image_and_caption_cells()
inner_table = cells[0].contents
else:
# nest cell content inside a table
inner_table_attribs = {
"border": 0,
"cellspacing": 0,
"cellpadding": 3,
"cellborder": 1,
}
inner_table = Table(Tr(cells), attribs=inner_table_attribs)
rows.append(Tr(Td(inner_table)))
if len(rows) == 0: # create dummy row to avoid GraphViz errors due to empty <table>
rows = Tr(Td(""))
outer_table_attribs = {
"border": 0,
"cellspacing": 0,
"cellpadding": 0,
}
tbl = Table(rows, attribs=outer_table_attribs)
return tbl
def gv_pin_table(component) -> Table:
pin_tuples = zip_longest(
component.pins,
component.pinlabels,
component.pincolors,
)
pin_rows = []
for pinindex, (pinname, pinlabel, pincolor) in enumerate(pin_tuples):
if component.should_show_pin(pinname):
pin_rows.append(
gv_pin_row(pinindex, pinname, pinlabel, pincolor, component)
)
table_attribs = {
"border": 0,
"cellspacing": 0,
"cellpadding": 3,
"cellborder": 1,
}
return Table(pin_rows, attribs=table_attribs)
def gv_pin_row(pin_index, pin_name, pin_label, pin_color, connector) -> Tr:
cell_pin_left = Td(pin_name, attribs={"port": f"p{pin_index+1}l"})
cell_pin_label = Td(pin_label, empty_is_none=True)
cell_pin_right = Td(pin_name, attribs={"port": f"p{pin_index+1}r"})
cells = [
cell_pin_left if connector.ports_left else None,
cell_pin_label,
cell_pin_right if connector.ports_right else None,
]
return Tr(cells)
def gv_connector_loops(connector: Connector) -> List:
loop_edges = []
if connector.ports_left:
loop_side = "l"
loop_dir = "w"
elif connector.ports_right:
loop_side = "r"
loop_dir = "e"
else:
raise Exception("No side for loops")
for loop in connector.loops:
head = f"{connector.name}:p{loop[0]}{loop_side}:{loop_dir}"
tail = f"{connector.name}:p{loop[1]}{loop_side}:{loop_dir}"
loop_edges.append((head, tail))
return loop_edges
def gv_conductor_table(cable, harness_options) -> Table:
rows = []
rows.append(Tr(Td("&nbsp;")))
for i, (connection_color, wirelabel) in enumerate(
zip_longest(cable.colors, cable.wirelabels), 1
):
# row above the wire
wireinfo = []
if cable.show_wirenumbers:
wireinfo.append(str(i))
colorstr = translate_color(connection_color, harness_options.color_mode)
if colorstr:
wireinfo.append(colorstr)
if cable.wirelabels:
wireinfo.append(wirelabel if wirelabel is not None else "")
cells_above = [
Td(f"<!-- {i}_in -->"),
Td(":".join(wireinfo)),
Td(f"<!-- {i}_out -->"),
]
rows.append(Tr(cells_above))
# the wire itself
rows.append(Tr(gv_wire_cell(i, connection_color, harness_options._pad)))
rows.append(Tr(Td("&nbsp;")))
table_attribs = {
"border": 0,
"cellspacing": 0,
"cellborder": 0,
}
tbl = Table(rows, attribs=table_attribs)
return tbl
def gv_wire_cell(index, color, pad) -> Td:
bgcolors = ["#000000"] + get_color_hex(color, pad=pad) + ["#000000"]
wire_inner_rows = []
for j, bgcolor in enumerate(bgcolors[::-1]):
wire_inner_cell_attribs = {
"colspan": 3,
"cellpadding": 0,
"height": 2,
"border": 0,
"bgcolor": bgcolor if bgcolor != "" else "BK",
}
wire_inner_rows.append(Tr(Td("", attribs=wire_inner_cell_attribs)))
wire_inner_table_attribs = {"cellspacing": 0, "cellborder": 0, "border": 0}
wire_inner_table = Table(wire_inner_rows, wire_inner_table_attribs)
wire_outer_cell_attribs = {
"colspan": 3,
"border": 0,
"cellspacing": 0,
"port": f"w{index}",
"height": 2 * len(bgcolors),
}
wire_outer_cell = Td(wire_inner_table, attribs=wire_outer_cell_attribs)
return wire_outer_cell
def colored_cell(contents, bgcolor) -> Td:
if bgcolor:
attribs = {"bgcolor": translate_color(bgcolor, "HEX")}
else:
attribs = {}
return Td(contents, attribs=attribs)
def part_number_str_list(component: Component) -> List[str]:
cell_contents = [
pn_info_string(HEADER_PN, None, component.pn),
pn_info_string(HEADER_MPN, component.manufacturer, component.mpn),
pn_info_string(HEADER_SPN, component.supplier, component.spn),
]
if any(cell_contents):
return [html_line_breaks(cell) for cell in cell_contents]
else:
return None
def colorbar_cell(color) -> Td:
if color:
colorbar_attribs = {
"bgcolor": translate_color(color, "HEX"),
"width": 4,
}
return Td("", attribs=colorbar_attribs)
else:
return None
def image_and_caption_cells(component: Component) -> (Td, Td):
if not component.image:
return (None, None)
image_tag = Img(
attribs={"scale": component.image.scale, "src": component.image.src}
)
image_cell_inner = Td(image_tag, flat=True)
if component.image.fixedsize:
# further nest the image in a table with width/height/fixedsize parameters, and place that table in a cell
inner_cell_attribs = html_size_attr_dict(component.image)
image_cell_inner.attribs = Attribs(inner_cell_attribs)
image_cell = Td(
Table(
Tr(image_cell_inner),
attribs={"border": 0, "cellspacing": 0, "cellborder": 0, "id": "!"},
)
)
else:
image_cell = image_cell_inner
outer_cell_attribs = {}
outer_cell_attribs["balign"] = "left"
if component.image.bgcolor:
outer_cell_attribs["bgcolor"] = translate_color(component.image.bgcolor, "HEX")
if component.image.caption:
outer_cell_attribs["sides"] = "TLR"
image_cell.attribs = Attribs(outer_cell_attribs)
if component.image.caption:
caption_cell = Td(
f"{html_line_breaks(component.image.caption)}",
attribs={"balign": "left", "sides": "BLR", "id": "td_caption"},
)
else:
caption_cell = None
return (image_cell, caption_cell)
def html_size_attr_dict(image):
# Return Graphviz HTML attributes to specify minimum or fixed size of a TABLE or TD object
from wireviz.DataClasses import Image
attr_dict = {}
if image:
if image.width:
attr_dict["width"] = image.width
if image.height:
attr_dict["height"] = image.height
if image.fixedsize:
attr_dict["fixedsize"] = "true"
return attr_dict
def html_line_breaks(inp):
return remove_links(inp).replace("\n", "<br />") if isinstance(inp, str) else inp