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Expose current dragging and receiving nodes

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This commit is contained in:
thepaperpilot 2023-04-23 00:02:53 -05:00
parent 9707ceb66d
commit 2999c971cf
3 changed files with 82 additions and 58 deletions
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103
src/features/boards/Board.vue
View file

@ -17,9 +17,9 @@
@touchmove="drag"
@mousedown="(e: MouseEvent) => mouseDown(e)"
@touchstart="(e: TouchEvent) => mouseDown(e)"
@mouseup="() => endDragging(dragging)"
@touchend.passive="() => endDragging(dragging)"
@mouseleave="() => endDragging(dragging)"
@mouseup="() => endDragging(unref(draggingNode))"
@touchend.passive="() => endDragging(unref(draggingNode))"
@mouseleave="() => endDragging(unref(draggingNode))"
>
<svg class="stage" width="100%" height="100%">
<g class="g1">
@ -36,10 +36,10 @@
<BoardNodeVue
:node="node"
:nodeType="types[node.type]"
:dragging="draggingNode"
:dragged="draggingNode === node ? dragged : undefined"
:dragging="unref(draggingNode)"
:dragged="unref(draggingNode) === node ? dragged : undefined"
:hasDragged="hasDragged"
:receivingNode="receivingNode?.id === node.id"
:receivingNode="unref(receivingNode)?.id === node.id"
:selectedNode="unref(selectedNode)"
:selectedAction="unref(selectedAction)"
@mouseDown="mouseDown"
@ -65,7 +65,7 @@ import { getNodeProperty } from "features/boards/board";
import type { StyleValue } from "features/feature";
import { Visibility, isVisible } from "features/feature";
import type { ProcessedComputable } from "util/computed";
import { Ref, computed, ref, toRefs, unref } from "vue";
import { Ref, computed, ref, toRefs, unref, watchEffect } from "vue";
import BoardLinkVue from "./BoardLink.vue";
import BoardNodeVue from "./BoardNode.vue";
@ -81,32 +81,31 @@ const _props = defineProps<{
links: Ref<BoardNodeLink[] | null>;
selectedAction: Ref<GenericBoardNodeAction | null>;
selectedNode: Ref<BoardNode | null>;
draggingNode: Ref<BoardNode | null>;
receivingNode: Ref<BoardNode | null>;
mousePosition: Ref<{ x: number; y: number } | null>;
setReceivingNode: (node: BoardNode | null) => void;
setDraggingNode: (node: BoardNode | null) => void;
}>();
const props = toRefs(_props);
const lastMousePosition = ref({ x: 0, y: 0 });
const dragged = ref({ x: 0, y: 0 });
const dragging = ref<number | null>(null);
const hasDragged = ref(false);
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const stage = ref<any>(null);
const draggingNode = computed(() =>
dragging.value == null ? undefined : props.nodes.value.find(node => node.id === dragging.value)
);
const sortedNodes = computed(() => {
const nodes = props.nodes.value.slice();
if (draggingNode.value) {
const node = nodes.splice(nodes.indexOf(draggingNode.value), 1)[0];
if (props.draggingNode.value) {
const node = nodes.splice(nodes.indexOf(props.draggingNode.value), 1)[0];
nodes.push(node);
}
return nodes;
});
const receivingNode = computed(() => {
const node = draggingNode.value;
watchEffect(() => {
const node = props.draggingNode.value;
if (node == null) {
return null;
}
@ -116,26 +115,30 @@ const receivingNode = computed(() => {
y: node.position.y + dragged.value.y
};
let smallestDistance = Number.MAX_VALUE;
return props.nodes.value.reduce((smallest: BoardNode | null, curr: BoardNode) => {
if (curr.id === node.id) {
return smallest;
}
const nodeType = props.types.value[curr.type];
const canAccept = getNodeProperty(nodeType.canAccept, curr);
if (!canAccept) {
return smallest;
}
const distanceSquared =
Math.pow(position.x - curr.position.x, 2) + Math.pow(position.y - curr.position.y, 2);
let size = getNodeProperty(nodeType.size, curr);
if (distanceSquared > smallestDistance || distanceSquared > size * size) {
return smallest;
}
props.setReceivingNode.value(
props.nodes.value.reduce((smallest: BoardNode | null, curr: BoardNode) => {
if (curr.id === node.id) {
return smallest;
}
const nodeType = props.types.value[curr.type];
const canAccept = getNodeProperty(nodeType.canAccept, curr);
if (!canAccept) {
return smallest;
}
smallestDistance = distanceSquared;
return curr;
}, null);
const distanceSquared =
Math.pow(position.x - curr.position.x, 2) +
Math.pow(position.y - curr.position.y, 2);
let size = getNodeProperty(nodeType.size, curr);
if (distanceSquared > smallestDistance || distanceSquared > size * size) {
return smallest;
}
smallestDistance = distanceSquared;
return curr;
}, null)
);
});
// eslint-disable-next-line @typescript-eslint/no-explicit-any
@ -144,8 +147,8 @@ function onInit(panzoomInstance: any) {
panzoomInstance.moveTo(stage.value.$el.clientWidth / 2, stage.value.$el.clientHeight / 2);
}
function mouseDown(e: MouseEvent | TouchEvent, nodeID: number | null = null, draggable = false) {
if (dragging.value == null) {
function mouseDown(e: MouseEvent | TouchEvent, node: BoardNode | null = null, draggable = false) {
if (props.draggingNode.value == null) {
e.preventDefault();
e.stopPropagation();
@ -169,10 +172,10 @@ function mouseDown(e: MouseEvent | TouchEvent, nodeID: number | null = null, dra
hasDragged.value = false;
if (draggable) {
dragging.value = nodeID;
props.setDraggingNode.value(node);
}
}
if (nodeID != null) {
if (node != null) {
props.state.value.selectedNode = null;
props.state.value.selectedAction = null;
}
@ -187,7 +190,7 @@ function drag(e: MouseEvent | TouchEvent) {
clientX = e.touches[0].clientX;
clientY = e.touches[0].clientY;
} else {
endDragging(dragging.value);
endDragging(props.draggingNode.value);
props.mousePosition.value = null;
return;
}
@ -214,28 +217,28 @@ function drag(e: MouseEvent | TouchEvent) {
hasDragged.value = true;
}
if (dragging.value != null) {
if (props.draggingNode.value != null) {
e.preventDefault();
e.stopPropagation();
}
}
function endDragging(nodeID: number | null) {
if (dragging.value != null && dragging.value === nodeID && draggingNode.value != null) {
draggingNode.value.position.x += Math.round(dragged.value.x / 25) * 25;
draggingNode.value.position.y += Math.round(dragged.value.y / 25) * 25;
function endDragging(node: BoardNode | null) {
if (props.draggingNode.value != null && props.draggingNode.value === node) {
props.draggingNode.value.position.x += Math.round(dragged.value.x / 25) * 25;
props.draggingNode.value.position.y += Math.round(dragged.value.y / 25) * 25;
const nodes = props.nodes.value;
nodes.push(nodes.splice(nodes.indexOf(draggingNode.value), 1)[0]);
nodes.push(nodes.splice(nodes.indexOf(props.draggingNode.value), 1)[0]);
if (receivingNode.value) {
props.types.value[receivingNode.value.type].onDrop?.(
receivingNode.value,
draggingNode.value
if (props.receivingNode.value) {
props.types.value[props.receivingNode.value.type].onDrop?.(
props.receivingNode.value,
props.draggingNode.value
);
}
dragging.value = null;
props.setDraggingNode.value(null);
} else if (!hasDragged.value) {
props.state.value.selectedNode = null;
props.state.value.selectedAction = null;

12
src/features/boards/BoardNode.vue
View file

@ -153,7 +153,7 @@ const sqrtTwo = Math.sqrt(2);
const _props = defineProps<{
node: BoardNode;
nodeType: GenericNodeType;
dragging?: BoardNode;
dragging: BoardNode | null;
dragged?: {
x: number;
y: number;
@ -165,8 +165,8 @@ const _props = defineProps<{
}>();
const props = toRefs(_props);
const emit = defineEmits<{
(e: "mouseDown", event: MouseEvent | TouchEvent, node: number, isDraggable: boolean): void;
(e: "endDragging", node: number): void;
(e: "mouseDown", event: MouseEvent | TouchEvent, node: BoardNode, isDraggable: boolean): void;
(e: "endDragging", node: BoardNode): void;
(e: "clickAction", actionId: string): void;
}>();
@ -178,7 +178,7 @@ const isDraggable = computed(() =>
watch(isDraggable, value => {
const node = unref(props.node);
if (unref(props.dragging) === node && !value) {
emit("endDragging", node.id);
emit("endDragging", node);
}
});
@ -261,12 +261,12 @@ const style = computed(() => getNodeProperty(props.nodeType.value.style, unref(p
const classes = computed(() => getNodeProperty(props.nodeType.value.classes, unref(props.node)));
function mouseDown(e: MouseEvent | TouchEvent) {
emit("mouseDown", e, props.node.value.id, isDraggable.value);
emit("mouseDown", e, props.node.value, isDraggable.value);
}
function mouseUp(e: MouseEvent | TouchEvent) {
if (!props.hasDragged?.value) {
emit("endDragging", props.node.value.id);
emit("endDragging", props.node.value);
props.nodeType.value.onClick?.(props.node.value);
e.stopPropagation();
}

25
src/features/boards/board.ts
View file

@ -258,6 +258,10 @@ export interface BaseBoard {
selectedNode: Ref<BoardNode | null>;
/** The currently selected action, if any. */
selectedAction: Ref<GenericBoardNodeAction | null>;
/** The currently being dragged node, if any. */
draggingNode: Ref<BoardNode | null>;
/** If dragging a node, the node it's currently being hovered over, if any. */
receivingNode: Ref<BoardNode | null>;
/** The current mouse position, if over the board. */
mousePosition: Ref<{ x: number; y: number } | null>;
/** A symbol that helps identify features of the same type. */
@ -372,6 +376,8 @@ export function createBoard<T extends BoardOptions>(
return null;
});
}
board.draggingNode = ref(null);
board.receivingNode = ref(null);
processComputable(board as T, "visibility");
setDefault(board, "visibility", Visibility.Visible);
processComputable(board as T, "width");
@ -427,6 +433,15 @@ export function createBoard<T extends BoardOptions>(
}
}
function setDraggingNode(node: BoardNode | null) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
board.draggingNode!.value = node;
}
function setReceivingNode(node: BoardNode | null) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
board.receivingNode!.value = node;
}
board[GatherProps] = function (this: GenericBoard) {
const {
nodes,
@ -440,7 +455,9 @@ export function createBoard<T extends BoardOptions>(
links,
selectedAction,
selectedNode,
mousePosition
mousePosition,
draggingNode,
receivingNode
} = this;
return {
nodes,
@ -454,7 +471,11 @@ export function createBoard<T extends BoardOptions>(
links,
selectedAction,
selectedNode,
mousePosition
mousePosition,
draggingNode,
receivingNode,
setDraggingNode,
setReceivingNode
};
};