134 lines
2.9 KiB
JavaScript
134 lines
2.9 KiB
JavaScript
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SV.registerLayout('LinkList', {
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sourcesPreprocess(sources) {
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let root = sources[0];
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if(root.external) {
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root.rootExternal = root.external;
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delete root.external;
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}
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return sources;
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},
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defineOptions() {
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return {
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node: {
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default: {
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type: 'link-list-node',
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label: '[data]',
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size: [60, 30],
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style: {
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stroke: '#333',
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fill: '#eaffd0',
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cursor: 'pointer'
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}
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}
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},
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link: {
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next: {
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type: 'line',
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sourceAnchor: 2,
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targetAnchor: 6,
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style: {
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stroke: '#333',
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endArrow: 'default',
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startArrow: {
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path: G6.Arrow.circle(2, -1),
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fill: '#333'
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}
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}
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},
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loopNext: {
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type: 'quadratic',
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curveOffset: -100,
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sourceAnchor: 2,
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targetAnchor: 7,
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style: {
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stroke: '#333',
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endArrow: 'default',
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startArrow: {
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path: G6.Arrow.circle(2, -1),
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fill: '#333'
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}
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}
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}
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},
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marker: {
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rootExternal: {
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type: 'pointer',
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anchor: 6,
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offset: 8,
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style: {
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fill: '#f08a5d'
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}
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},
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external: {
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type: 'pointer',
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anchor: 0,
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offset: 8,
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style: {
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fill: '#f08a5d'
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}
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}
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},
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layout: {
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xInterval: 50,
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yInterval: 50
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}
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};
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},
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/**
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* 对子树进行递归布局
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* @param node
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* @param parent
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*/
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layoutItem(node, prev, layoutOptions) {
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if(!node) {
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return null;
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}
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let width = node.get('size')[0];
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if(prev) {
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node.set('y', prev.get('y'));
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node.set('x', prev.get('x') + layoutOptions.xInterval + width);
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}
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if(node.next) {
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this.layoutItem(node.next, node, layoutOptions);
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}
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},
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layout(elements, layoutOptions) {
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let root = elements[0];
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this.layoutItem(root, null, layoutOptions);
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}
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});
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