def get_icon(node: Node, app: "Application") -> PhotoImage:
scale = app.app_scale
image = None
# node icon was overriden with a specific value
if node.icon:
try:
image = images.from_file(node.icon,
width=images.NODE_SIZE,
scale=scale)
except OSError:
logging.error("invalid icon: %s", node.icon)
# custom node
elif is_custom(node):
image_file = _get_custom_file(app.guiconfig, node.model)
logging.info("custom node file: %s", image_file)
if image_file:
image = images.from_file(image_file,
width=images.NODE_SIZE,
scale=scale)
# built in node
else:
image = images.from_node(node, scale=scale)
# default image, if everything above fails
if not image:
image = images.from_enum(ImageEnum.EDITNODE,
width=images.NODE_SIZE,
scale=scale)
return image
def update_icon(self, icon_path: str) -> None:
if not Path(icon_path).exists():
logger.error(f"node icon does not exist: {icon_path}")
return
self.core_node.icon = icon_path
self.image = images.from_file(icon_path, width=images.NODE_SIZE)
self.canvas.itemconfig(self.id, image=self.image)
def click_icon(self) -> None:
file_path = image_chooser(self, ICONS_PATH)
if file_path:
image = images.from_file(file_path, width=images.NODE_SIZE)
self.image = image
self.image_file = file_path
self.image_button.config(image=self.image)
def from_custom(cls, custom_node: CustomNode) -> "NodeDraw":
node_draw = NodeDraw()
node_draw.custom = True
node_draw.image_file = custom_node.image
node_draw.image = images.from_file(custom_node.image,
width=images.NODE_SIZE)
node_draw.node_type = NodeType.DEFAULT
node_draw.services = set(custom_node.services)
node_draw.label = custom_node.name
node_draw.model = custom_node.name
node_draw.tooltip = custom_node.name
return node_draw
def get_file_icon(self, file_path: str, *, width: int) -> PhotoImage:
return images.from_file(file_path, width=width, scale=self.app_scale)
def draw_preview(self) -> None:
image = images.from_file(self.filename.get(), width=250, height=135)
self.image_label.config(image=image)
self.image_label.image = image