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item.py
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355 lines (290 loc) · 9.65 KB
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# -*- coding: utf-8 -*-# -*- coding: utf-8 -*-
#
# Licensed under the terms of the BSD 3-Clause
# (see plotpy/LICENSE for details)
"""Item tools"""
from __future__ import annotations
from typing import Callable
from guidata.qthelpers import get_std_icon
from qtpy import QtWidgets as QW
from plotpy.config import _
from plotpy.constants import ID_ITEMLIST
from plotpy.interfaces import ICurveItemType
from plotpy.items import (
AnnotatedCircle,
AnnotatedEllipse,
AnnotatedObliqueRectangle,
AnnotatedPolygon,
AnnotatedRectangle,
EllipseShape,
ObliqueRectangleShape,
RawImageItem,
RectangleShape,
)
from plotpy.plot import BasePlot
from plotpy.tools.base import CommandTool, DefaultToolbarID, PanelTool
from plotpy.tools.curve import edit_curve_data, export_curve_data
from plotpy.tools.image import edit_image_data, export_image_data
from plotpy.tools.misc import OpenFileTool
class ItemManipulationBaseTool(CommandTool):
"""Base class for item manipulation tools."""
TITLE: str | None = None
ICON: str | None = None
TIP: str | None = None
def __init__(
self,
manager,
toolbar_id: str | type[DefaultToolbarID] | None,
curve_func: Callable,
image_func: Callable,
):
"""
Initialize the ItemManipulationBaseTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
curve_func: Callback function for curve items.
image_func: Callback function for image items.
"""
super().__init__(
manager, self.TITLE, icon=self.ICON, tip=self.TIP, toolbar_id=toolbar_id
)
self.curve_func = curve_func
self.image_func = image_func
def get_supported_items(self, plot: BasePlot) -> list:
"""
Get supported items from the plot.
Args:
plot: Plot instance
Returns:
List of supported plot items
"""
all_items = [
item
for item in plot.get_items(item_type=ICurveItemType)
if not item.is_empty()
]
all_items += [
item
for item in plot.get_items()
if isinstance(item, RawImageItem) and not item.is_empty()
]
if len(all_items) == 1:
return all_items
else:
return [item for item in all_items if item in plot.get_selected_items()]
def update_status(self, plot: BasePlot) -> None:
"""
Update the status of the tool.
Args:
plot: Plot instance
"""
self.action.setEnabled(len(self.get_supported_items(plot)) > 0)
def activate_command(self, plot: BasePlot, checked: bool) -> None:
"""
Activate tool command.
Args:
plot: Plot instance
checked: Whether the tool is checked
"""
for item in self.get_supported_items(plot):
if ICurveItemType in item.types():
self.curve_func(item)
else:
self.image_func(item)
plot.replot()
class EditItemDataTool(ItemManipulationBaseTool):
"""Tool for editing item data."""
TITLE: str = _("Edit data...")
ICON: str = "arredit.png"
def __init__(self, manager, toolbar_id: str | type[DefaultToolbarID] | None = None):
"""
Initialize the EditItemDataTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(
manager, toolbar_id, curve_func=edit_curve_data, image_func=edit_image_data
)
class ExportItemDataTool(ItemManipulationBaseTool):
"""Tool for exporting item data."""
TITLE: str = _("Export data...")
ICON: str = "export.png"
def __init__(self, manager, toolbar_id: str | type[DefaultToolbarID] | None = None):
"""
Initialize the ExportItemDataTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(
manager,
toolbar_id,
curve_func=export_curve_data,
image_func=export_image_data,
)
class ItemCenterTool(CommandTool):
"""Tool for centering items."""
def __init__(self, manager, toolbar_id: str | type[DefaultToolbarID] | None = None):
"""
Initialize the ItemCenterTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(
manager, _("Center items"), "center.png", toolbar_id=toolbar_id
)
def get_supported_items(self, plot: BasePlot) -> list:
"""
Get supported items from the plot.
Args:
plot: Plot instance
Returns:
List of supported plot items
"""
item_types = (
RectangleShape,
EllipseShape,
ObliqueRectangleShape,
AnnotatedRectangle,
AnnotatedEllipse,
AnnotatedObliqueRectangle,
AnnotatedCircle,
AnnotatedPolygon,
)
return [
item
for item in plot.get_selected_items(z_sorted=True)
if isinstance(item, item_types)
]
def update_status(self, plot: BasePlot) -> None:
"""
Update the status of the tool.
Args:
plot: Plot instance
"""
self.action.setEnabled(len(self.get_supported_items(plot)) > 1)
def activate_command(self, plot: BasePlot, checked: bool) -> None:
"""
Activate tool command.
Args:
plot: Plot instance
checked: Whether the tool is checked
"""
items = self.get_supported_items(plot)
xc0, yc0 = items.pop(-1).get_center()
for item in items:
xc, yc = item.get_center()
item.move_with_selection(xc0 - xc, yc0 - yc)
plot.replot()
class DeleteItemTool(CommandTool):
""" """
def __init__(self, manager, toolbar_id: str | type[DefaultToolbarID] | None = None):
"""
Initialize the DeleteItemTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(manager, _("Remove"), "trash.png", toolbar_id=toolbar_id)
def get_removable_items(self, plot: BasePlot) -> list:
"""
Get removable items from the plot.
Args:
plot: Plot instance
Returns:
List of removable plot items
"""
return [item for item in plot.get_selected_items() if not item.is_readonly()]
def update_status(self, plot: BasePlot) -> None:
"""
Update the status of the tool.
Args:
plot: Plot instance
"""
self.action.setEnabled(len(self.get_removable_items(plot)) > 0)
def activate_command(self, plot: BasePlot, checked: bool) -> None:
"""
Activate tool command.
Args:
plot: Plot instance
checked: Whether the tool is checked
"""
items = self.get_removable_items(plot)
if len(items) == 1:
message = _("Do you really want to remove this item?")
else:
message = _("Do you really want to remove selected items?")
answer = QW.QMessageBox.warning(
plot, _("Remove"), message, QW.QMessageBox.Yes | QW.QMessageBox.No
)
if answer == QW.QMessageBox.Yes:
plot.del_items(items)
plot.replot()
class SaveItemsTool(CommandTool):
""" """
def __init__(
self, manager, toolbar_id: str | type[DefaultToolbarID] = DefaultToolbarID
):
"""
Initialize the SaveItemsTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(
manager,
_("Save items"),
get_std_icon("DialogSaveButton", 16),
toolbar_id=toolbar_id,
)
def activate_command(self, plot: BasePlot, checked: bool) -> None:
"""
Activate tool command.
Args:
plot: Plot instance
checked: Whether the tool is checked
"""
fname, _f = QW.QFileDialog.getSaveFileName(
plot,
_("Save items as"),
_("untitled"),
"{} (*.gui)".format(_("plotpy items")),
)
if not fname:
return
itemfile = open(fname, "wb")
plot.save_items(itemfile, selected=True)
class LoadItemsTool(OpenFileTool):
""" """
def __init__(
self, manager, toolbar_id: str | type[DefaultToolbarID] = DefaultToolbarID
):
"""
Initialize the LoadItemsTool.
Args:
manager: The plot manager.
toolbar_id: ID of the toolbar to which this tool belongs.
"""
super().__init__(
manager, title=_("Load items"), formats="*.gui", toolbar_id=toolbar_id
)
def activate_command(self, plot: BasePlot, checked: bool) -> None:
"""
Activate tool command.
Args:
plot: Plot instance
checked: Whether the tool is checked
"""
filename = self.get_filename(plot)
if not filename:
return
itemfile = open(filename, "rb")
plot.restore_items(itemfile)
plot.replot()
class ItemListPanelTool(PanelTool):
"""Tool for managing the item list panel."""
panel_name: str = _("Item list")
panel_id: str = ID_ITEMLIST