Fixed two exceptions on cvat-canvas often occuring on app.cvat.ai

bsekachev commented 3 months ago

Motivation and context

this.el.node.getScreenCTM() is null
Edge's nodeFrom M or nodeTo N do not to refer to any node

Additionally, strongly reduced code duplication

How has this been tested?

Checklist

[x] I submit my changes into the develop branch
[x] I have created a changelog fragment
[ ] I have updated the documentation accordingly
[ ] I have added tests to cover my changes
[ ] I have linked related issues (see GitHub docs)
[ ] I have increased versions of npm packages if it is necessary (cvat-canvas, cvat-core, cvat-data and cvat-ui)

License

[x] I submit my code changes under the same MIT License that covers the project. Feel free to contact the maintainers if that's a concern.

Summary by CodeRabbit

Bug Fixes
- Resolved an exception in Firefox related to window resizing during skeleton dragging or resizing.
New Features
- Improved drag and resize functionality for shapes on the canvas, ensuring smoother and more reliable interactions.

coderabbitai[bot] commented 3 months ago

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Walkthrough

The recent update resolves a Firefox-specific issue involving exceptions during window resizing while dragging or resizing shapes on the canvas. To achieve this, new private properties and methods have been introduced to the CanvasViewImpl class, enhancing the management of draggable and resizable shapes without altering any exported or public entity declarations.

Changes

File Path	Change Summary
`changelog.d/20240621_133156_sekachev...`	Documented the fix for Firefox exceptions during window resizing while dragging/resizing shapes.
`cvat-canvas/src/typescript/canvasView.ts`	Introduced `draggableShape` and `resizableShape` private properties and corresponding private methods to enhance drag and resize functionality.

Poem

In the code of canvas bright,
Shapes now move with graceful might,
Firefox bugs, we've set to flight,
Draggable, resizable, all just right.
A world of code, renewed delight,
Day and night, our lines ignite.
Here's to changes, pure and spright! ✨

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