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Expand functionality of emphasis trajectory to the new trajectoryColor #1

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2 changes: 1 addition & 1 deletion src/chart/sankey/SankeySeries.ts
Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,7 @@ interface SankeyEdgeStyleOption extends LineStyleOption {

interface ExtraStateOption {
emphasis?: {
focus?: DefaultEmphasisFocus | 'adjacency' | 'trajectory'
focus?: DefaultEmphasisFocus | 'adjacency' | 'trajectory' | 'trajectoryColor'
}
}

Expand Down
3 changes: 3 additions & 0 deletions src/chart/sankey/SankeyView.ts
Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,7 @@ class SankeyView extends ChartView {
curve,
focus === 'adjacency' ? edge.getAdjacentDataIndices()
: focus === 'trajectory' ? edge.getTrajectoryDataIndices()
: focus === 'trajectoryColor' ? edge.getTrajectoryColorDataIndices()
: focus,
emphasisModel.get('blurScope'),
emphasisModel.get('disabled')
Expand Down Expand Up @@ -300,6 +301,8 @@ class SankeyView extends ChartView {
? node.getAdjacentDataIndices()
: focus === 'trajectory'
? node.getTrajectoryDataIndices()
: focus === 'trajectoryColor'
? node.getTrajectoryColorDataIndices()
: focus,
emphasisModel.get('blurScope'),
emphasisModel.get('disabled')
Expand Down
132 changes: 132 additions & 0 deletions src/data/Graph.ts
Original file line number Diff line number Diff line change
Expand Up @@ -432,6 +432,74 @@ class GraphNode {
node: connectedNodesMap.keys()
};
}

getTrajectoryColorDataIndices(): {node: number[], edge: number[]} {
const connectedEdgesMap = zrUtil.createHashMap<boolean, number>();
const connectedNodesMap = zrUtil.createHashMap<boolean, number>();

const data = this.hostGraph.data;
const getColor = (index: number) => {
const rawData: any = data.getRawDataItem(index);
return rawData?.itemStyle?.color;
};
const currentNodeColor = getColor(this.dataIndex);

for (let i = 0; i < this.edges.length; i++) {
const adjacentEdge = this.edges[i];
if (adjacentEdge.dataIndex < 0) {
continue;
}
const sourceNodeColor = getColor(adjacentEdge.node1.dataIndex);
const targetNodeColor = getColor(adjacentEdge.node2.dataIndex);
if (sourceNodeColor === currentNodeColor || targetNodeColor === currentNodeColor) {
connectedEdgesMap.set(adjacentEdge.dataIndex, true);
}

const sourceNodesQueue = [adjacentEdge.node1];
const targetNodesQueue = [adjacentEdge.node2];

let nodeIteratorIndex = 0;
while (nodeIteratorIndex < sourceNodesQueue.length) {
const sourceNode = sourceNodesQueue[nodeIteratorIndex];
nodeIteratorIndex++;
if (getColor(sourceNode.dataIndex) === currentNodeColor) {
connectedNodesMap.set(sourceNode.dataIndex, true);
}

for (let j = 0; j < sourceNode.inEdges.length; j++) {
const sourceNodeColor = getColor(sourceNode.inEdges[j].node1.dataIndex);
const targetNodeColor = getColor(sourceNode.inEdges[j].node2.dataIndex);
if (sourceNodeColor === currentNodeColor || targetNodeColor === currentNodeColor) {
connectedEdgesMap.set(sourceNode.inEdges[j].dataIndex, true);
}
sourceNodesQueue.push(sourceNode.inEdges[j].node1);
}
}

nodeIteratorIndex = 0;
while (nodeIteratorIndex < targetNodesQueue.length) {
const targetNode = targetNodesQueue[nodeIteratorIndex];
nodeIteratorIndex++;
if (getColor(targetNode.dataIndex) === currentNodeColor) {
connectedNodesMap.set(targetNode.dataIndex, true);
}
for (let j = 0; j < targetNode.outEdges.length; j++) {
connectedEdgesMap.set(targetNode.outEdges[j].dataIndex, true);
const sourceNodeColor = getColor(targetNode.outEdges[j].node1.dataIndex);
const targetNodeColor = getColor(targetNode.outEdges[j].node2.dataIndex);
if (sourceNodeColor === currentNodeColor || targetNodeColor === currentNodeColor) {
connectedEdgesMap.set(targetNode.outEdges[j].dataIndex, true);
}
targetNodesQueue.push(targetNode.outEdges[j].node2);
}
}
}

return {
edge: connectedEdgesMap.keys(),
node: connectedNodesMap.keys()
};
}
}


Expand Down Expand Up @@ -515,6 +583,70 @@ class GraphEdge {
node: connectedNodesMap.keys()
};
}

getTrajectoryColorDataIndices(): {node: number[], edge: number[]} {
const connectedEdgesMap = zrUtil.createHashMap<boolean, number>();
const connectedNodesMap = zrUtil.createHashMap<boolean, number>();
const data = this.hostGraph.data;
const getColor = (index: number) => {
const rawData: any = data.getRawDataItem(index);
return rawData?.itemStyle?.color;
};
const currentLinkColor = getColor(this.node1.dataIndex);

const sourceNodeColor = getColor(this.node1.dataIndex);
const targetNodeColor = getColor(this.node2.dataIndex);
if (sourceNodeColor === currentLinkColor || targetNodeColor === currentLinkColor) {
connectedEdgesMap.set(this.dataIndex, true);
}

const sourceNodes = [this.node1];
const targetNodes = [this.node2];

let nodeIteratorIndex = 0;
while (nodeIteratorIndex < sourceNodes.length) {
const sourceNode = sourceNodes[nodeIteratorIndex];
nodeIteratorIndex++;

if (getColor(sourceNode.dataIndex) === currentLinkColor) {
connectedNodesMap.set(sourceNode.dataIndex, true);
}

for (let j = 0; j < sourceNode.inEdges.length; j++) {
const sourceNodeColor = getColor(sourceNode.inEdges[j].node1.dataIndex);
const targetNodeColor = getColor(sourceNode.inEdges[j].node2.dataIndex);
if (sourceNodeColor === currentLinkColor || targetNodeColor === currentLinkColor) {
connectedEdgesMap.set(sourceNode.inEdges[j].dataIndex, true);
}
sourceNodes.push(sourceNode.inEdges[j].node1);
}
}

nodeIteratorIndex = 0;
while (nodeIteratorIndex < targetNodes.length) {
const targetNode = targetNodes[nodeIteratorIndex];
nodeIteratorIndex++;

if (getColor(targetNode.dataIndex) === currentLinkColor) {
connectedNodesMap.set(targetNode.dataIndex, true);
}

for (let j = 0; j < targetNode.outEdges.length; j++) {
connectedEdgesMap.set(targetNode.outEdges[j].dataIndex, true);
const sourceNodeColor = getColor(targetNode.outEdges[j].node1.dataIndex);
const targetNodeColor = getColor(targetNode.outEdges[j].node2.dataIndex);
if (sourceNodeColor === currentLinkColor || targetNodeColor === currentLinkColor) {
connectedEdgesMap.set(targetNode.outEdges[j].dataIndex, true);
}
targetNodes.push(targetNode.outEdges[j].node2);
}
}

return {
edge: connectedEdgesMap.keys(),
node: connectedNodesMap.keys()
};
}
}

type GetDataName<Host> = Host extends GraphEdge ? 'edgeData' : 'data';
Expand Down
132 changes: 132 additions & 0 deletions test/sankey.html

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