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feat: Elbow arrow segment fixing & positioning (#8952)

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Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
Co-authored-by: David Luzar <5153846+dwelle@users.noreply.github.com>
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Márk Tolmács 2025-01-17 18:07:03 +01:00 • committed by GitHub
parent 8551823da9
commit 91ebf8b0ea
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33 changed files with 3282 additions and 1716 deletions
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293
packages/excalidraw/actions/actionProperties.tsx
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@ -116,10 +116,9 @@ import {
calculateFixedPointForElbowArrowBinding,
getHoveredElementForBinding,
} from "../element/binding";
import { mutateElbowArrow } from "../element/routing";
import { LinearElementEditor } from "../element/linearElementEditor";
import type { LocalPoint } from "../../math";
import { pointFrom, vector } from "../../math";
import { pointFrom } from "../../math";
const FONT_SIZE_RELATIVE_INCREASE_STEP = 0.1;
@ -1560,152 +1559,162 @@ export const actionChangeArrowType = register({
label: "Change arrow types",
trackEvent: false,
perform: (elements, appState, value, app) => {
return {
elements: changeProperty(elements, appState, (el) => {
if (!isArrowElement(el)) {
return el;
}
const newElement = newElementWith(el, {
roundness:
value === ARROW_TYPE.round
? {
type: ROUNDNESS.PROPORTIONAL_RADIUS,
}
: null,
elbowed: value === ARROW_TYPE.elbow,
points:
value === ARROW_TYPE.elbow || el.elbowed
? [el.points[0], el.points[el.points.length - 1]]
: el.points,
const newElements = changeProperty(elements, appState, (el) => {
if (!isArrowElement(el)) {
return el;
}
const newElement = newElementWith(el, {
roundness:
value === ARROW_TYPE.round
? {
type: ROUNDNESS.PROPORTIONAL_RADIUS,
}
: null,
elbowed: value === ARROW_TYPE.elbow,
points:
value === ARROW_TYPE.elbow || el.elbowed
? [el.points[0], el.points[el.points.length - 1]]
: el.points,
});
if (isElbowArrow(newElement)) {
const elementsMap = app.scene.getNonDeletedElementsMap();
app.dismissLinearEditor();
const startGlobalPoint =
LinearElementEditor.getPointAtIndexGlobalCoordinates(
newElement,
0,
elementsMap,
);
const endGlobalPoint =
LinearElementEditor.getPointAtIndexGlobalCoordinates(
newElement,
-1,
elementsMap,
);
const startHoveredElement =
!newElement.startBinding &&
getHoveredElementForBinding(
tupleToCoors(startGlobalPoint),
elements,
elementsMap,
appState.zoom,
);
const endHoveredElement =
!newElement.endBinding &&
getHoveredElementForBinding(
tupleToCoors(endGlobalPoint),
elements,
elementsMap,
appState.zoom,
);
const startElement = startHoveredElement
? startHoveredElement
: newElement.startBinding &&
(elementsMap.get(
newElement.startBinding.elementId,
) as ExcalidrawBindableElement);
const endElement = endHoveredElement
? endHoveredElement
: newElement.endBinding &&
(elementsMap.get(
newElement.endBinding.elementId,
) as ExcalidrawBindableElement);
const finalStartPoint = startHoveredElement
? bindPointToSnapToElementOutline(
startGlobalPoint,
endGlobalPoint,
startHoveredElement,
elementsMap,
)
: startGlobalPoint;
const finalEndPoint = endHoveredElement
? bindPointToSnapToElementOutline(
endGlobalPoint,
startGlobalPoint,
endHoveredElement,
elementsMap,
)
: endGlobalPoint;
startHoveredElement &&
bindLinearElement(
newElement,
startHoveredElement,
"start",
elementsMap,
);
endHoveredElement &&
bindLinearElement(newElement, endHoveredElement, "end", elementsMap);
mutateElement(newElement, {
points: [finalStartPoint, finalEndPoint].map(
(p): LocalPoint =>
pointFrom(p[0] - newElement.x, p[1] - newElement.y),
),
...(startElement && newElement.startBinding
? {
startBinding: {
// @ts-ignore TS cannot discern check above
...newElement.startBinding!,
...calculateFixedPointForElbowArrowBinding(
newElement,
startElement,
"start",
elementsMap,
),
},
}
: {}),
...(endElement && newElement.endBinding
? {
endBinding: {
// @ts-ignore TS cannot discern check above
...newElement.endBinding,
...calculateFixedPointForElbowArrowBinding(
newElement,
endElement,
"end",
elementsMap,
),
},
}
: {}),
});
if (isElbowArrow(newElement)) {
const elementsMap = app.scene.getNonDeletedElementsMap();
LinearElementEditor.updateEditorMidPointsCache(
newElement,
elementsMap,
app.state,
);
}
app.dismissLinearEditor();
return newElement;
});
const startGlobalPoint =
LinearElementEditor.getPointAtIndexGlobalCoordinates(
newElement,
0,
elementsMap,
);
const endGlobalPoint =
LinearElementEditor.getPointAtIndexGlobalCoordinates(
newElement,
-1,
elementsMap,
);
const startHoveredElement =
!newElement.startBinding &&
getHoveredElementForBinding(
tupleToCoors(startGlobalPoint),
elements,
elementsMap,
appState.zoom,
true,
);
const endHoveredElement =
!newElement.endBinding &&
getHoveredElementForBinding(
tupleToCoors(endGlobalPoint),
elements,
elementsMap,
appState.zoom,
true,
);
const startElement = startHoveredElement
? startHoveredElement
: newElement.startBinding &&
(elementsMap.get(
newElement.startBinding.elementId,
) as ExcalidrawBindableElement);
const endElement = endHoveredElement
? endHoveredElement
: newElement.endBinding &&
(elementsMap.get(
newElement.endBinding.elementId,
) as ExcalidrawBindableElement);
const newState = {
...appState,
currentItemArrowType: value,
};
const finalStartPoint = startHoveredElement
? bindPointToSnapToElementOutline(
startGlobalPoint,
endGlobalPoint,
startHoveredElement,
elementsMap,
)
: startGlobalPoint;
const finalEndPoint = endHoveredElement
? bindPointToSnapToElementOutline(
endGlobalPoint,
startGlobalPoint,
endHoveredElement,
elementsMap,
)
: endGlobalPoint;
// Change the arrow type and update any other state settings for
// the arrow.
const selectedId = appState.selectedLinearElement?.elementId;
if (selectedId) {
const selected = newElements.find((el) => el.id === selectedId);
if (selected) {
newState.selectedLinearElement = new LinearElementEditor(
selected as ExcalidrawLinearElement,
);
}
}
startHoveredElement &&
bindLinearElement(
newElement,
startHoveredElement,
"start",
elementsMap,
);
endHoveredElement &&
bindLinearElement(
newElement,
endHoveredElement,
"end",
elementsMap,
);
mutateElbowArrow(
newElement,
elementsMap,
[finalStartPoint, finalEndPoint].map(
(p): LocalPoint =>
pointFrom(p[0] - newElement.x, p[1] - newElement.y),
),
vector(0, 0),
{
...(startElement && newElement.startBinding
? {
startBinding: {
// @ts-ignore TS cannot discern check above
...newElement.startBinding!,
...calculateFixedPointForElbowArrowBinding(
newElement,
startElement,
"start",
elementsMap,
),
},
}
: {}),
...(endElement && newElement.endBinding
? {
endBinding: {
// @ts-ignore TS cannot discern check above
...newElement.endBinding,
...calculateFixedPointForElbowArrowBinding(
newElement,
endElement,
"end",
elementsMap,
),
},
}
: {}),
},
);
}
return newElement;
}),
appState: {
...appState,
currentItemArrowType: value,
},
return {
elements: newElements,
appState: newState,
storeAction: StoreAction.CAPTURE,
};
},