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refactor(elements): split edges and nodes

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This commit is contained in:
moklick
2021-02-11 18:45:05 +01:00
parent 201a35dec2
commit ba5286a105
12 changed files with 166 additions and 190 deletions
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src/store/index.ts
+2 -4
View File
@@ -6,12 +6,10 @@ export const initialState: ReactFlowState = {
width: 0,
height: 0,
transform: [0, 0, 1],
elements: [],
// nodes: computed((state) => state.elements.filter(isNode)),
// edges: computed((state) => state.elements.filter(isEdge)),
nodes: [],
edges: [],
selectedElements: null,
selectedNodesBbox: { x: 0, y: 0, width: 0, height: 0 },
// viewportBox: computed((state) => ({ x: 0, y: 0, width: state.width, height: state.height })),
d3Zoom: null,
d3Selection: null,
src/store/reducer.ts
+126 -132
View File
@@ -1,112 +1,109 @@
import isEqual from 'fast-deep-equal';
import { getDimensions } from '../utils';
import { getNodesInside, getConnectedEdges, getRectOfNodes, isNode, isEdge, parseElement } from '../utils/graph';
import {
getNodesInside,
getConnectedEdges,
getRectOfNodes,
isNode,
isEdge,
parseNode,
parseEdge,
} from '../utils/graph';
import { getHandleBounds } from '../components/Nodes/utils';
import { ReactFlowState, FlowElement, Node, XYPosition } from '../types';
import {
ADD_SELECTED_ELEMENTS,
BATCH_UPDATE_NODE_DIMENSIONS,
INIT_D3ZOOM,
RESET_SELECTED_ELEMENTS,
SET_CONNECTION_MODE,
SET_CONNECTION_NODEID,
SET_CONNECTION_POSITION,
SET_ELEMENTS,
SET_ELEMENTS_SELECTABLE,
SET_INTERACTIVE,
SET_MAXZOOM,
SET_MINZOOM,
SET_MULTI_SELECTION_ACTIVE,
SET_NODES_CONNECTABLE,
SET_NODES_DRAGGABLE,
SET_NODE_EXTENT,
SET_ON_CONNECT,
SET_ON_CONNECT_END,
SET_ON_CONNECT_START,
SET_ON_CONNECT_STOP,
SET_SELECTED_ELEMENTS,
SET_SNAPGRID,
SET_SNAPTOGRID,
SET_TRANSLATEEXTENT,
SET_USER_SELECTION,
UNSET_USER_SELECTION,
UPDATE_NODE_DIMENSIONS,
UPDATE_NODE_POS,
UPDATE_NODE_POS_DIFF,
UPDATE_SIZE,
UPDATE_TRANSFORM,
UPDATE_USER_SELECTION,
} from './contants';
import { ReactFlowState, Node, XYPosition, Edge } from '../types';
import * as constants from './contants';
import { ReactFlowAction } from './actions';
import { initialState } from './index';
type ElementsSplitted = {
nodeElements: Node[];
edgeElements: Edge[];
};
export default function reactFlowReducer(state = initialState, action: ReactFlowAction): ReactFlowState {
switch (action.type) {
case SET_ELEMENTS: {
case constants.SET_ELEMENTS: {
const propElements = action.payload;
const elementsSplitted: ElementsSplitted = {
nodeElements: [],
edgeElements: [],
};
const { nodeElements, edgeElements } = propElements.reduce((res, item): ElementsSplitted => {
if (isNode(item)) {
res.nodeElements.push(item);
} else if (isEdge(item)) {
res.edgeElements.push(item);
}
const nextElements = propElements.map((el: FlowElement) => {
let storeElement = state.elements.find((se) => se.id === el.id);
return res;
}, elementsSplitted);
const nextNodes = nodeElements.map((propNode: Node) => {
let storeNode = state.nodes.find((node) => node.id === propNode.id);
// update existing element
if (storeElement) {
if (isNode(storeElement)) {
const propNode = el as Node;
const positionChanged =
storeElement.position.x !== propNode.position.x || storeElement.position.y !== propNode.position.y;
const typeChanged = typeof propNode.type !== 'undefined' && propNode.type !== storeElement.type;
if (storeNode) {
const positionChanged =
storeNode.position.x !== propNode.position.x || storeNode.position.y !== propNode.position.y;
const typeChanged = typeof propNode.type !== 'undefined' && propNode.type !== storeNode.type;
storeElement = {
...storeElement,
...propNode,
};
storeNode = {
...storeNode,
...propNode,
};
if (positionChanged) {
(storeElement as Node).__rf.position = propNode.position;
}
if (typeChanged) {
// we reset the elements dimensions here in order to force a re-calculation of the bounds.
// When the type of a node changes it is possible that the number or positions of handles changes too.
(storeElement as Node).__rf.width = null;
}
} else {
storeElement = {
...storeElement,
...el,
};
if (positionChanged) {
storeNode.__rf.position = propNode.position;
}
return storeElement;
if (typeChanged) {
// we reset the elements dimensions here in order to force a re-calculation of the bounds.
// When the type of a node changes it is possible that the number or positions of handles changes too.
storeNode.__rf.width = null;
}
return storeNode;
} else {
// add new element
return parseElement(el, state.nodeExtent);
return parseNode(propNode, state.nodeExtent);
}
});
return { ...state, elements: nextElements };
const nextEdges = edgeElements.map((propEdge: Edge) => {
let storeEdge = state.edges.find((se) => se.id === propEdge.id);
if (storeEdge) {
return {
...storeEdge,
...propEdge,
};
} else {
return parseEdge(propEdge);
}
});
return { ...state, nodes: nextNodes, edges: nextEdges };
}
case BATCH_UPDATE_NODE_DIMENSIONS: {
const updatedElements = state.elements.map((el) => {
const update = action.payload.find((u) => u.id === el.id);
case constants.BATCH_UPDATE_NODE_DIMENSIONS: {
const updatedNodes = state.nodes.map((node) => {
const update = action.payload.find((u) => u.id === node.id);
if (update) {
const dimensions = getDimensions(update.nodeElement);
const nodeToUpdate = el as Node;
if (
dimensions.width &&
dimensions.height &&
(nodeToUpdate.__rf.width !== dimensions.width || nodeToUpdate.__rf.height !== dimensions.height)
(node.__rf.width !== dimensions.width || node.__rf.height !== dimensions.height)
) {
const handleBounds = getHandleBounds(update.nodeElement, state.transform[2]);
return {
...nodeToUpdate,
...node,
__rf: {
...nodeToUpdate.__rf,
...node.__rf,
...dimensions,
handleBounds,
},
@@ -114,15 +111,15 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
}
}
return el;
return node;
});
return {
...state,
elements: updatedElements,
nodes: updatedNodes,
};
}
case UPDATE_NODE_DIMENSIONS: {
case constants.UPDATE_NODE_DIMENSIONS: {
const { nodeElement, id } = action.payload;
const dimensions = getDimensions(nodeElement);
@@ -130,14 +127,14 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
return state;
}
const nextElements = state.elements.map((el) => {
if (el.id === id && isNode(el)) {
const nextNodes = state.nodes.map((node) => {
if (node.id === id) {
const handleBounds = getHandleBounds(nodeElement, state.transform[2]);
return {
...el,
...node,
__rf: {
...el.__rf,
...node.__rf,
width: dimensions.width,
height: dimensions.height,
handleBounds,
@@ -145,12 +142,12 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
};
}
return el;
return node;
});
return { ...state, elements: nextElements };
return { ...state, nodes: nextNodes };
}
case UPDATE_NODE_POS: {
case constants.UPDATE_NODE_POS: {
const { id, pos } = action.payload;
let position: XYPosition = pos;
@@ -163,56 +160,56 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
};
}
const nextElements = state.elements.map((el) => {
if (el.id === id && isNode(el)) {
const nextNodes = state.nodes.map((node) => {
if (node.id === id) {
return {
...el,
...node,
__rf: {
...el.__rf,
...node.__rf,
position,
},
};
}
return el;
return node;
});
return { ...state, elements: nextElements };
return { ...state, nodes: nextNodes };
}
case UPDATE_NODE_POS_DIFF: {
case constants.UPDATE_NODE_POS_DIFF: {
const { id, diff, isDragging } = action.payload;
const nextElements = state.elements.map((el) => {
if (isNode(el) && (id === el.id || state.selectedElements?.find((sNode) => sNode.id === el.id))) {
const nextNodes = state.nodes.map((node) => {
if (id === node.id || state.selectedElements?.find((sNode) => sNode.id === node.id)) {
if (diff) {
return {
...el,
...node,
__rf: {
...el.__rf,
...node.__rf,
isDragging,
position: {
x: el.__rf.position.x + diff.x,
y: el.__rf.position.y + diff.y,
x: node.__rf.position.x + diff.x,
y: node.__rf.position.y + diff.y,
},
},
};
}
return {
...el,
...node,
__rf: {
...el.__rf,
...node.__rf,
isDragging,
},
};
}
return el;
return node;
});
return { ...state, elements: nextElements };
return { ...state, nodes: nextNodes };
}
case SET_USER_SELECTION: {
case constants.SET_USER_SELECTION: {
const mousePos = action.payload;
const userSelectionRect = {
@@ -231,7 +228,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
selectionActive: true,
};
}
case UPDATE_USER_SELECTION: {
case constants.UPDATE_USER_SELECTION: {
const mousePos = action.payload;
const startX = state.userSelectionRect.startX || 0;
const startY = state.userSelectionRect.startY || 0;
@@ -247,11 +244,8 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
height: Math.abs(mousePos.y - startY),
};
const nodes = state.elements.filter(isNode);
const edges = state.elements.filter(isEdge);
const selectedNodes = getNodesInside(nodes, nextUserSelectRect, state.transform);
const selectedEdges = getConnectedEdges(selectedNodes, edges);
const selectedNodes = getNodesInside(state.nodes, nextUserSelectRect, state.transform);
const selectedEdges = getConnectedEdges(selectedNodes, state.edges);
const nextSelectedElements = [...selectedNodes, ...selectedEdges];
const selectedElementsUpdated = !isEqual(nextSelectedElements, state.selectedElements);
@@ -269,7 +263,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
userSelectionRect: nextUserSelectRect,
};
}
case UNSET_USER_SELECTION: {
case constants.UNSET_USER_SELECTION: {
const selectedNodes = state.selectedElements?.filter((node) => isNode(node) && node.__rf) as Node[];
const selectionActive = false;
@@ -298,7 +292,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
nodesSelectionActive: true,
};
}
case SET_SELECTED_ELEMENTS: {
case constants.SET_SELECTED_ELEMENTS: {
const elements = action.payload;
const selectedElementsArr = Array.isArray(elements) ? elements : [elements];
const selectedElementsUpdated = !isEqual(selectedElementsArr, state.selectedElements);
@@ -309,7 +303,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
selectedElements,
};
}
case ADD_SELECTED_ELEMENTS: {
case constants.ADD_SELECTED_ELEMENTS: {
const { multiSelectionActive, selectedElements } = state;
const elements = action.payload;
const selectedElementsArr = Array.isArray(elements) ? elements : [elements];
@@ -325,7 +319,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
return { ...state, selectedElements: nextSelectedElements };
}
case INIT_D3ZOOM: {
case constants.INIT_D3ZOOM: {
const { d3Zoom, d3Selection, d3ZoomHandler, transform } = action.payload;
return {
@@ -336,7 +330,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
transform,
};
}
case SET_MINZOOM: {
case constants.SET_MINZOOM: {
const minZoom = action.payload;
if (state.d3Zoom) {
@@ -349,7 +343,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
};
}
case SET_MAXZOOM: {
case constants.SET_MAXZOOM: {
const maxZoom = action.payload;
if (state.d3Zoom) {
@@ -361,7 +355,7 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
maxZoom,
};
}
case SET_TRANSLATEEXTENT: {
case constants.SET_TRANSLATEEXTENT: {
const translateExtent = action.payload;
if (state.d3Zoom) {
@@ -373,24 +367,24 @@ export default function reactFlowReducer(state = initialState, action: ReactFlow
translateExtent,
};
}
case SET_ON_CONNECT:
case SET_ON_CONNECT_START:
case SET_ON_CONNECT_STOP:
case SET_ON_CONNECT_END:
case RESET_SELECTED_ELEMENTS:
case UPDATE_TRANSFORM:
case UPDATE_SIZE:
case SET_CONNECTION_POSITION:
case SET_CONNECTION_NODEID:
case SET_SNAPTOGRID:
case SET_SNAPGRID:
case SET_INTERACTIVE:
case SET_NODES_DRAGGABLE:
case SET_NODES_CONNECTABLE:
case SET_ELEMENTS_SELECTABLE:
case SET_MULTI_SELECTION_ACTIVE:
case SET_CONNECTION_MODE:
case SET_NODE_EXTENT:
case constants.SET_ON_CONNECT:
case constants.SET_ON_CONNECT_START:
case constants.SET_ON_CONNECT_STOP:
case constants.SET_ON_CONNECT_END:
case constants.RESET_SELECTED_ELEMENTS:
case constants.UPDATE_TRANSFORM:
case constants.UPDATE_SIZE:
case constants.SET_CONNECTION_POSITION:
case constants.SET_CONNECTION_NODEID:
case constants.SET_SNAPTOGRID:
case constants.SET_SNAPGRID:
case constants.SET_INTERACTIVE:
case constants.SET_NODES_DRAGGABLE:
case constants.SET_NODES_CONNECTABLE:
case constants.SET_ELEMENTS_SELECTABLE:
case constants.SET_MULTI_SELECTION_ACTIVE:
case constants.SET_CONNECTION_MODE:
case constants.SET_NODE_EXTENT:
return { ...state, ...action.payload };
default:
return state;