fix: 修复高亮问题

This commit is contained in:
黎智洲
2022-03-05 00:58:24 +08:00
parent 3170bd77ec
commit b3060b0e27
23 changed files with 72 additions and 39 deletions
+127
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const isNeighbor = function (itemA, itemB) {
let neighborA = itemA.neighbor,
neighborB = itemB.neighbor;
if (neighborA === undefined && neighborB === undefined) {
return false;
}
if (neighborA && neighborA.includes(itemB.id)) {
return true;
}
if (neighborB && neighborB.includes(itemA.id)) {
return true;
}
return false;
}
SV.registerLayout('AdjoinMatrixGraph', {
sourcesPreprocess(sources) {
let dataLength = sources.length;
let matrixNodeLength = dataLength * dataLength;
let matrixNodes = [];
let i, j;
for (i = 0; i < matrixNodeLength; i++) {
matrixNodes.push({
id: `mn-${i}`,
type: 'matrixNode',
indexTop: i < dataLength ? sources[i].id : undefined,
indexLeft: i % dataLength === 0? sources[i / dataLength].id : undefined,
data: 0
});
}
for (i = 0; i < dataLength; i++) {
for (j = 0; j < dataLength; j++) {
let itemI = sources[i],
itemJ = sources[j];
if (itemI.id !== itemJ.id && isNeighbor(itemI, itemJ)) {
matrixNodes[i * dataLength + j].data = 1;
}
}
}
sources.push(...matrixNodes);
return sources;
},
defineOptions() {
return {
element: {
default: {
type: 'circle',
label: '[id]',
size: 40,
style: {
stroke: '#333',
fill: '#95e1d3'
}
},
matrixNode: {
type: 'indexed-node',
label: '[data]',
size: [40, 40],
style: {
stroke: '#333',
fill: '#95e1d3'
},
indexOptions: {
indexTop: { position: 'top' },
indexLeft: { position: 'left' }
}
}
},
link: {
neighbor: {
style: {
stroke: '#333'
}
}
},
layout: {
radius: 150,
interval: 250
},
behavior: {
dragNode: ['default']
}
};
},
layout(elements, layoutOptions) {
let nodes = elements.filter(item => item.type === 'default'),
matrixNodes = elements.filter(item => item.type === 'matrixNode'),
nodeLength = nodes.length,
matrixNodeLength = matrixNodes.length,
{ interval, radius } = layoutOptions,
intervalAngle = 2 * Math.PI / nodes.length,
matrixNodeSize = matrixNodes[0].get('size')[0],
i;
const matrixY = -radius,
matrixX = interval;
for (i = 0; i < nodeLength; i++) {
let [x, y] = Vector.rotation(-intervalAngle * i, [0, -radius]);
nodes[i].set({ x, y });
}
for (i = 0; i < matrixNodeLength; i++) {
let x = matrixX + (i % nodeLength) * matrixNodeSize;
y = matrixY + Math.floor(i / nodeLength) * matrixNodeSize;
matrixNodes[i].set({ x, y });
}
}
});
+236
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SV.registerLayout('AdjoinTableGraph', {
sourcesPreprocess(sources, options) {
let dataLength = sources.length;
let tableHeadNodes = [];
let nodeMap = {};
let i;
for (i = 0; i < dataLength; i++) {
let graphNode = sources[i];
tableHeadNodes.push({
id: `table-head-node-${i}`,
type: 'tableHeadNode',
data: graphNode.id
});
nodeMap[graphNode.id] = {
node: graphNode,
order: i,
neighbor: []
};
}
Object.keys(nodeMap).map(key => {
let nodeData = nodeMap[key],
neighbor = nodeData.node.neighbor;
if (neighbor === undefined) {
return;
}
neighbor.forEach((item, index) => {
let targetNodeData = nodeMap[item];
nodeData.neighbor.push({
id: `${key}-table-node-${item}`,
type: 'tableNode',
data: item.toString(),
order: targetNodeData.order
});
targetNodeData.neighbor.push({
id: `${item}-table-node-${key}`,
type: 'tableNode',
data: key.toString(),
order: nodeData.order
});
});
Object.keys(nodeMap).map(key => {
let nodeData = nodeMap[key],
neighbor = nodeData.neighbor;
if (neighbor === undefined) {
return;
}
neighbor.sort((n1, n2) => {
return n1.order - n2.order;
});
for(let i = 0; i < neighbor.length; i++) {
if(neighbor[i + 1]) {
neighbor[i].next = `tableNode#${neighbor[i + 1].id}`;
}
}
});
tableHeadNodes.forEach(item => {
let nodeData = nodeMap[item.data],
neighbor = nodeData.neighbor;
if(neighbor.length) {
item.headNext = `tableNode#${neighbor[0].id}`;
}
});
});
sources.push(...tableHeadNodes);
Object.keys(nodeMap).map(key => {
let nodeData = nodeMap[key],
neighbor = nodeData.neighbor;
sources.push(...neighbor);
});
return sources;
},
defineOptions() {
return {
element: {
default: {
type: 'circle',
label: '[id]',
size: 40,
style: {
stroke: '#333',
fill: '#95e1d3'
}
},
tableHeadNode: {
type: 'two-cell-node',
label: '[data]',
size: [70, 40],
style: {
stroke: '#333',
fill: '#95e1d3'
}
},
tableNode: {
type: 'link-list-node',
label: '[data]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#95e1d3'
}
}
},
link: {
neighbor: {
style: {
stroke: '#333'
}
},
headNext: {
sourceAnchor: 1,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
next: {
sourceAnchor: 2,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
layout: {
radius: 150,
interval: 250,
xInterval: 50,
yInterval: 50
},
behavior: {
dragNode: ['default', 'tableNode']
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return null;
}
let width = node.get('size')[0];
if(prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width);
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
let nodes = elements.filter(item => item.type === 'default'),
tableHeadNode = elements.filter(item => item.type === 'tableHeadNode'),
nodeLength = nodes.length,
{ radius } = layoutOptions,
intervalAngle = 2 * Math.PI / nodes.length,
i;
for (i = 0; i < nodeLength; i++) {
let [x, y] = Vector.rotation(-intervalAngle * i, [0, -radius]);
nodes[i].set({ x, y });
}
const tableY = -radius,
tableX = radius + 20;
for(i = 0; i < tableHeadNode.length; i++) {
let node = tableHeadNode[i],
height = node.get('size')[1];
node.set({
x: tableX,
y: tableY + node.get('y') + i * height
});
if(node.headNext) {
let y = node.get('y') + height - node.headNext.get('size')[1],
x = tableX + layoutOptions.xInterval * 2.5;
node.headNext.set({ x, y });
this.layoutItem(node.headNext, null, layoutOptions);
}
}
}
});
+75
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SV.registerLayout('Array', {
sourcesPreprocess(sources) {
const firstElement = sources[0];
if (firstElement.external) {
firstElement.headExternal = firstElement.external;
delete firstElement.external;
}
return sources;
},
defineLeakRule(nodes) {
return [];
},
defineOptions() {
return {
node: {
default: {
type: 'array-node',
label: '[id]',
size: [60, 30],
labelOptions: {
style: { fontSize: 20 }
},
style: {
stroke: '#333',
fill: '#95e1d3'
}
}
},
marker: {
headExternal: {
type: 'pointer',
anchor: 3,
style: {
fill: '#f08a5d'
}
},
external: {
type: 'pointer',
anchor: 0,
style: {
fill: '#f08a5d'
}
}
},
indexLabel: {
index: { position: 'bottom' },
indexRight: { position: 'right' }
},
behavior: {
dragNode: false
}
};
},
layout(elements) {
let arr = elements;
for (let i = 0; i < arr.length; i++) {
let width = arr[i].get('size')[0];
if (i > 0) {
arr[i].set('x', arr[i - 1].get('x') + width);
}
}
}
});
+156
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SV.registerLayout('BinaryTree', {
defineOptions() {
return {
node: {
default: {
type: 'binary-tree-node',
size: [60, 30],
label: '[id]',
style: {
fill: '#b83b5e',
stroke: '#333',
cursor: 'pointer',
},
},
},
link: {
child: {
type: 'line',
sourceAnchor: index => (index === 0 ? 3 : 1),
targetAnchor: 0,
style: {
stroke: '#333',
lineAppendWidth: 6,
cursor: 'pointer',
endArrow: 'default',
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333',
},
},
},
},
marker: {
external: {
type: 'pointer',
anchor: 0,
offset: 14,
style: {
fill: '#f08a5d',
},
labelOptions: {
style: {
fill: '#000099',
},
},
},
},
layout: {
xInterval: 40,
yInterval: 40,
},
behavior: {
// dragNode: false
},
};
},
/**
* 对子树进行递归布局
*/
layoutItem(node, layoutOptions) {
// 次双亲不进行布局
if (!node) {
return null;
}
let bound = node.getBound(),
width = bound.width,
height = bound.height,
group = new Group(node),
leftGroup = null,
rightGroup = null,
leftBound = null,
rightBound = null;
if (node.visited) {
return null;
}
if (node.child && node.child[0]) {
leftGroup = this.layoutItem(node.child[0], layoutOptions);
}
if (node.child && node.child[1]) {
rightGroup = this.layoutItem(node.child[1], layoutOptions);
}
if (leftGroup) {
leftBound = leftGroup.getBound();
node.set('y', leftBound.y - layoutOptions.yInterval - height);
}
if(rightGroup) {
rightBound = rightGroup.getBound();
if(leftGroup) {
rightGroup.translate(0, leftBound.y - rightBound.y)
}
rightBound = rightGroup.getBound();
node.set('y', rightBound.y - layoutOptions.yInterval - height);
}
// 处理左右子树相交问题
if (leftGroup && rightGroup) {
let move = Math.abs(rightBound.x - layoutOptions.xInterval - leftBound.x - leftBound.width);
if (move > 0) {
leftGroup.translate(-move / 2, 0);
rightGroup.translate(move / 2, 0);
}
}
if (leftGroup) {
leftBound = leftGroup.getBound();
node.set('x', leftBound.x + leftBound.width + layoutOptions.xInterval / 2 - width);
}
if(rightGroup) {
rightBound = rightGroup.getBound();
node.set('x', rightBound.x - layoutOptions.xInterval / 2 - width);
}
node.visited = true;
if (leftGroup) {
group.add(leftGroup);
}
if (rightGroup) {
group.add(rightGroup);
}
return group;
},
/**
* 布局函数
* @param {*} elements
* @param {*} layoutOptions
*/
layout(elements, layoutOptions) {
let root = elements[0];
this.layoutItem(root, layoutOptions);
},
});
[
{
id: 6385328,
data: '',
external: ['L'],
root: true,
after: null,
next: null,
},
];
+132
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/**
* 连地址哈希表
*/
SV.registerLayout('ChainHashTable', {
defineOptions() {
return {
element: {
head: {
type: 'two-cell-node',
label: '[id]',
size: [70, 40],
style: {
stroke: '#333',
fill: '#b83b5e'
}
},
node: {
type: 'link-list-node',
label: '[id]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#b83b5e'
}
}
},
link: {
start: {
type: 'line',
sourceAnchor: 1,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
next: {
type: 'line',
sourceAnchor: 2,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
pointer: {
external: {
anchor: 3,
offset: 8,
style: {
fill: '#f08a5d'
}
}
},
layout: {
xInterval: 50,
yInterval: 50
},
behavior: {
dragNode: ['node']
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return null;
}
let width = node.get('size')[0];
if(prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width);
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
let headNode = elements.filter(item => item.type === 'head');
for(let i = 0; i < headNode.length; i++) {
let node = headNode[i],
height = node.get('size')[1];
node.set('y', node.get('y') + i * height);
if(node.start) {
let y = node.get('y') + height - node.start.get('size')[1],
x = layoutOptions.xInterval * 2.5;
node.start.set({ x, y });
this.layoutItem(node.start, null, layoutOptions);
}
}
}
});
+240
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SV.registerShape('three-cell-node', {
draw(cfg, group) {
cfg.size = cfg.size || [30, 10];
const width = cfg.size[0],
height = cfg.size[1];
const wrapperRect = group.addShape('rect', {
attrs: {
x: width / 2,
y: height / 2,
width: width,
height: height,
stroke: cfg.style.stroke,
fill: '#eee'
},
name: 'wrapper',
draggable: true
});
group.addShape('rect', {
attrs: {
x: width / 2,
y: height / 2,
width: width / 3,
height: height,
fill: cfg.style.fill,
stroke: cfg.style.stroke
},
name: 'left-rect',
draggable: true
});
group.addShape('rect', {
attrs: {
x: width * (5 / 6),
y: height / 2,
width: width / 3,
height: height,
fill: '#eee',
stroke: cfg.style.stroke
},
name: 'mid-rect',
draggable: true
});
if (cfg.label) {
const style = (cfg.labelCfg && cfg.labelCfg.style) || {};
group.addShape('text', {
attrs: {
x: width * (2 / 3),
y: height,
textAlign: 'center',
textBaseline: 'middle',
text: cfg.label,
fill: style.fill || '#000',
fontSize: style.fontSize || 16
},
name: 'text',
draggable: true
});
}
//节点没有原子时
if(!cfg.sub){
group.addShape('text', {
attrs: {
x: width,
y: height * ( 8 / 7),
textAlign: 'center',
textBaseline: 'middle',
text: '^',
fill: '#000',
fontSize: 20,
},
name: 'text',
draggable: true
});
}
//节点没有子表时
if(!cfg.next){
group.addShape('text', {
attrs: {
x: width * (4 / 3),
y: height * ( 8 / 7),
textAlign: 'center',
textBaseline: 'middle',
text: '^',
fill: '#000',
fontSize: 20,
},
name: 'text',
draggable: true
});
}
return wrapperRect;
},
getAnchorPoints() {
return [
[1 / 6, 0],
[0.5, 0],
[0.5, 0.5],
[5 / 6, 0.5],
[0.5, 1],
[0, 0.5]
];
}
});
SV.registerLayout('GeneralizedList', {
defineOptions() {
return {
element: {
table: {
type: 'three-cell-node',
label: '[id]',
size: [90, 30],
style: {
stroke: '#333',
fill: '#b83b5e'
}
},
atom: {
type: 'two-cell-node',
label: ['[id]', 'dcd'],
size: [60, 30],
style: {
stroke: '#333',
fill: '#b83b5e'
}
}
},
link: {
loopSub: {},
loopNext: {
type: 'quadratic',
curveOffset: -50,
sourceAnchor: 2,
targetAnchor: 4,
style: {
stroke: '#333',
endArrow: 'default',
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
sub: {
type: 'line',
sourceAnchor: 2,
targetAnchor: 0,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
next: {
type: 'line',
sourceAnchor: 3,
targetAnchor: 5,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
layout: {
xInterval: 40,
yInterval: 20,
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return;
}
let [width, height] = node.get('size');
if(prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width)
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
// 存在子节点
if(node.sub) {
node.sub.set('y', node.get('y') + layoutOptions.yInterval + height);
// 子结点还是广义表
if(node.sub.tag === 1) {
node.sub.set('x', node.get('x') + width / 3);
this.layoutItem(node.sub, null, layoutOptions);
}
else {
let subWidth = node.sub.get('size')[0];
node.sub.set('x', node.get('x') + width - subWidth);
}
}
},
layout(elements, layoutOptions) {
let tableNodes = elements.filter(item => item.type === 'table'),
tableRootNode = tableNodes.filter(item => item.root)[0];
this.layoutItem(tableRootNode, null, layoutOptions);
}
})
+95
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SV.registerLayout('HashTable', {
sourcesPreprocess(sources) {
const firstElement = sources[0];
if(firstElement.external) {
firstElement.headExternal = firstElement.external;
delete firstElement.external;
}
if(firstElement.cursor) {
firstElement.headCursor = firstElement.cursor;
delete firstElement.cursor;
}
return sources;
},
defineOptions() {
return {
element: {
default: {
type: 'indexed-node',
label: '[data]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#95e1d3'
}
}
},
marker: {
headExternal: {
type: 'pointer',
anchor: 3,
style: {
fill: '#f08a5d'
}
},
external: {
type: 'pointer',
anchor: 0,
style: {
fill: '#f08a5d'
}
},
headCursor: {
type: 'cursor',
anchor: 3,
style: {
fill: '#f08a5d'
}
},
cursor: {
type: 'cursor',
anchor: 0,
style: {
fill: '#f08a5d'
}
}
},
behavior: {
dragNode: false
}
};
},
layout(elements) {
let arr = elements;
for(let i = 0; i < arr.length; i++) {
let width = arr[i].get('size')[0];
if(i > 0) {
arr[i].set('x', arr[i - 1].get('x') + width);
}
if(arr[i].empty) {
arr[i].set('style', {
fill: null
});
}
if(arr[i].disable) {
arr[i].set('style', {
fill: '#ccc'
});
}
}
}
});
+133
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SV.registerLayout('LinkList', {
sourcesPreprocess(sources) {
let root = sources[0];
if (root.external) {
root.rootExternal = root.external;
delete root.external;
}
return sources;
},
defineOptions() {
return {
node: {
default: {
type: 'link-list-node',
label: '[data]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#eaffd0',
cursor: 'pointer'
}
}
},
link: {
next: {
type: 'line',
sourceAnchor: 2,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: 'default',
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
loopNext: {
type: 'quadratic',
curveOffset: -100,
sourceAnchor: 2,
targetAnchor: 7,
style: {
stroke: '#333',
endArrow: 'default',
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
marker: {
rootExternal: {
type: 'pointer',
anchor: 6,
offset: 8,
style: {
fill: '#f08a5d'
}
},
external: {
type: 'pointer',
anchor: 0,
offset: 8,
style: {
fill: '#f08a5d'
}
}
},
layout: {
xInterval: 50,
yInterval: 50
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if (!node) {
return null;
}
let width = node.get('size')[0];
if (prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width);
}
if (node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
let root = elements[0];
this.layoutItem(root, null, layoutOptions);
}
});
+148
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SV.registerLayout('LinkQueue', {
defineOptions() {
return {
element: {
head: {
type: 'rect',
label: '[label]',
size: [60, 40],
anchorPoints: [
[0.5, 0],
[1, 0.5],
[0.5, 1],
[0, 0.5]
],
style: {
stroke: '#333',
fill: null
}
},
node: {
type: 'link-list-node',
label: '[data]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#b83b5e'
}
}
},
link: {
front: {
type: 'polyline',
sourceAnchor: 1,
targetAnchor: 5,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
}
}
},
rear: {
type: 'polyline',
sourceAnchor: 1,
targetAnchor: 5,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
}
}
},
next: {
type: 'line',
sourceAnchor: 2,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
marker: {
external: {
type: 'pointer',
offset: 8,
style: {
fill: '#f08a5d'
}
}
},
layout: {
xInterval: 50,
yInterval: 50
},
behavior: {
dragNode: ['node']
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return null;
}
let width = node.get('size')[0];
if(prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width);
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
let head = elements.filter(item => item.type === 'head'),
head1 = head[0],
head2 = head[1],
nodes = elements.filter(item => item.type !== 'head'),
mainRoot = nodes.findIndex(item => item.root && head1.front === item),
roots = nodes.filter(item => item.root),
headHeight = head1.get('size')[1],
nodeHeight = 0,
x = 0, y = 0;
if(nodes.length) {
mainRoot = roots.splice(mainRoot, 1)[0];
roots.unshift(mainRoot);
x = -50;
y = mainRoot.get('y');
nodeHeight = mainRoot.get('size')[1];
roots.forEach((item, index) => {
item.set('y', -index * (nodeHeight + layoutOptions.yInterval));
this.layoutItem(item, null, layoutOptions);
});
}
head1.set({ x, y: y + nodeHeight * 3 });
head2.set({ x, y: head1.get('y') + headHeight });
}
});
+105
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/**
* 单链表
*/
SV.registerLayout('LinkStack', {
sourcesPreprocess(sources) {
const headNode = sources[0];
if(headNode.external) {
headNode.headExternal = headNode.external;
delete headNode.external;
}
return sources;
},
defineOptions() {
return {
element: {
default: {
type: 'link-list-node',
label: '[data]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#b83b5e'
}
}
},
link: {
next: {
type: 'line',
sourceAnchor: 2,
targetAnchor: 4,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
marker: {
headExternal: {
anchor: 5,
type: 'pointer',
offset: 8,
style: {
fill: '#f08a5d'
}
},
external: {
anchor: 3,
type: 'pointer',
offset: 8,
style: {
fill: '#f08a5d'
}
}
},
layout: {
yInterval: 30
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return null;
}
let height = node.get('size')[1];
if(prev && node.isSameGroup(prev)) {
node.set('x', prev.get('x'));
node.set('y', prev.get('y') - layoutOptions.yInterval - height);
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
this.layoutItem(elements[0], null, layoutOptions);
}
})
+128
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SV.registerLayout('PCTree', {
sourcesPreprocess(sources) {
for(let i = 0; i < sources.length; i++){
if(sources[i].root){
sources[i].rootLabel = ['data', 'parent', 'firstChild'];
}
}
return sources;
},
defineOptions() {
return {
node: {
PCTreeHead: {
type: 'three-cell',
label: ['[data]','[parent]'],
size: [210, 33],
style: {
stroke: '#333',
fill: '#95e1d3'
}
},
PCTreeNode: {
type: 'link-list-node',
label: '[data]',
size: [60, 27],
style: {
stroke: '#333',
fill: '#00AF92'
}
}
},
link: {
headNext: {
sourceAnchor: 1,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
next: {
sourceAnchor: 2,
targetAnchor: 6,
style: {
stroke: '#333',
endArrow: {
path: G6.Arrow.triangle(8, 6, 0),
fill: '#333'
},
startArrow: {
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
}
},
layout: {
xInterval: 50
},
behavior: {
dragNode: ['PCTreeNode']
}
};
},
/**
* 对子树进行递归布局
* @param node
* @param parent
*/
layoutItem(node, prev, layoutOptions) {
if(!node) {
return null;
}
let width = node.get('size')[0];
if(prev) {
node.set('y', prev.get('y'));
node.set('x', prev.get('x') + layoutOptions.xInterval + width);
}
if(node.next) {
this.layoutItem(node.next, node, layoutOptions);
}
},
layout(elements, layoutOptions) {
let headNode = elements.filter(item => item.type === 'PCTreeHead'),
i;
for(i = 0; i < headNode.length; i++) {
let node = headNode[i],
height = node.get('size')[1],
width = node.get('size')[0];
node.set({
x: 0,
y: i * height
});
if(node.headNext) {
let y = node.get('y') + height - node.headNext.get('size')[1],
x = width + layoutOptions.xInterval * 3;
node.headNext.set({ x, y });
this.layoutItem(node.headNext, null, layoutOptions);
}
}
}
});
+86
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// 解析数据:
// {
// PTree:{
// data:[
// {
// id: '1001',
// data: 'A',
// parent: -1,
// index: 0
// },
// {
// id: '1002',
// data: 'B',
// parent: 0,
// index: 1
// },
// ],
// layouter: 'PTree'
// }
// }
SV.registerLayout('PTree', {
sourcesPreprocess(sources) {
let dataLength = sources.length;
let parentNodes = [];
let i;
for (i = 0; i < dataLength; i++) {
parentNodes.push({
id: `parent-${i}`,
data: sources[i].parent
});
}
sources[0].indexLeft = 'data';
parentNodes[0].indexLeft = 'parent';
sources.push(...parentNodes);
return sources;
},
defineOptions() {
return {
node: {
default: {
type: 'rect',
label: '[data]',
size: [40, 40],
labelOptions: {
style: { fontSize: 16 }
},
style: {
stroke: '#333',
fill: '#95e1d3',
offset: 25
}
},
},
indexLabel: {
index: { position: 'top' },
indexLeft: { position: 'left' }
}
};
},
layout(elements) {
let nodeLength = elements.length,
halfLength = nodeLength / 2,
size = elements[0].get('size')[0],
i;
for (i = 0; i < nodeLength; i++) {
let x = (i % halfLength) * size;
y = Math.floor(i / halfLength) * size;
elements[i].set({ x, y });
}
}
});
+120
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SV.registerLayout('SqQueue', {
defineOptions() {
return {
node: {
head: {
type: 'rect',
anchorPoints: [
[0.5, 0],
[1, 0.5],
[0.5, 1],
[0, 0.5]
],
size: [60, 30],
label: '[data]',
style: {
fill: '#95e1d3',
stroke: "#333",
cursor: 'pointer'
},
},
node: {
type: 'indexed-node',
size: [60, 30],
label: '[data]',
style: {
fill: '#95e1d3',
stroke: "#333",
cursor: 'pointer'
}
}
},
link: {
front: {
type: 'polyline',
sourceAnchor: 1,
targetAnchor: 5,
style: {
stroke: '#333',
endArrow: 'default'
}
},
rear: {
type: 'polyline',
sourceAnchor: 1,
targetAnchor: 5,
style: {
stroke: '#333',
endArrow: 'default'
}
}
},
marker: {
external: {
type: 'pointer',
anchor: 0,
offset: 8,
labelOffset: 2,
style: {
fill: '#f08a5d'
}
},
cursor: {
type: 'cursor',
anchor: 0,
offset: 8,
labelOffset: 2,
style: {
fill: '#f08a5d'
}
}
}
};
},
layout(elements) {
let head = elements.filter(item => item.type === 'head'),
head1 = head[0],
head2 = head[1],
nodes = elements.filter(item => item.type !== 'head'),
headHeight = head1.get('size')[1],
headWidth = head1.get('size')[0],
nodeHeight = 0,
x = 0, y = 0;
if (nodes.length) {
let firstNode = nodes[0];
nodeHeight = firstNode.get('size')[1];
x = -50;
y = firstNode.get('y');
for (let i = 1; i < nodes.length; i++) {
let width = nodes[i].get('size')[0];
nodes[i].set('x', nodes[i - 1].get('x') + width);
if (nodes[i].empty) {
nodes[i].set('style', {
fill: null
});
}
}
}
head1.set({ x, y: y + nodeHeight * 3 });
if (nodes.length) {
head2.set({ x, y: head1.get('y') + headHeight });
}
else {
head2.set({ x: x + headWidth, y });
}
}
});
+78
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SV.registerLayout('Stack', {
sourcesPreprocess(sources, options) {
const stackBottomNode = sources[sources.length - 1];
if(stackBottomNode.external) {
stackBottomNode.bottomExternal = stackBottomNode.external;
delete stackBottomNode.external;
}
return sources;
},
defineLeakRule(nodes) {
return [];
},
defineOptions() {
return {
element: {
default: {
type: 'array-node',
label: '[id]',
size: [60, 30],
style: {
stroke: '#333',
fill: '#95e1d3'
}
}
},
marker: {
external: {
type: 'pointer',
anchor: 1,
style: {
fill: '#f08a5d'
}
},
bottomExternal: {
type: 'pointer',
anchor: 2,
style: {
fill: '#f08a5d'
}
},
cursor: {
type: 'cursor',
anchor: 1,
style: {
fill: '#f08a5d'
}
}
},
indexLabel: {
index: { position: 'left' }
},
behavior: {
dragNode: false
}
};
},
layout(elements, layoutOptions) {
let blocks = elements;
for(let i = 1; i < blocks.length; i++) {
let item = blocks[i],
prev = blocks[i - 1],
height = item.get('size')[1];
item.set('y', prev.get('y') + height);
}
}
})
+169
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/**
* 三叉树
*/
SV.registerLayout('TriTree', {
defineOptions() {
return {
/**
* 结点
*/
element: {
default: {
type: 'tri-tree-node',
size: [60, 30],
label: '[data]',
style: {
fill: '#ff2e63',
stroke: "#333",
cursor: 'pointer'
}
}
},
/**
* 箭头
*/
link: {
child: {
type: 'line',
sourceAnchor: index => index,
targetAnchor: 3,
style: {
stroke: '#333',
//边的响应范围
lineAppendWidth: 6,
cursor: 'pointer',
endArrow: 'default',
startArrow: {
//参数:半径、偏移量
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
parent: {
type: 'line',
sourceAnchor: 4,
targetAnchor: 2,
style: {
stroke: '#A9A9A9',
//边的响应范围
lineAppendWidth: 6,
cursor: 'pointer',
endArrow: 'default',
startArrow: {
//参数:半径、偏移量
path: G6.Arrow.circle(2, -1),
fill: '#333'
}
}
},
},
/**
* 指针
*/
marker: {
external: {
type: "pointer",
anchor: 3,
offset: 14,
style: {
fill: '#f08a5d'
},
labelOptions: {
style: {
// stroke:
}
}
}
},
/**
* 布局
*/
layout: {
xInterval: 40,
yInterval: 40,
},
/**
* 动画
*/
//animation: {
// enable: true,
// duration: 750,
// timingFunction: 'easePolyOut'
//}
};
},
/**
* 对子树进行递归布局
*/
layoutItem(node, parent, index, layoutOptions) {
// 次双亲不进行布局
if(!node) {
return null;
}
let bound = node.getBound(), //获取包围盒
width = bound.width,
height = bound.height,
group = new Group(node); //创建分组
//有双亲,设置结点的位置
if(parent) {
// 纵坐标
node.set('y', parent.get('y') + layoutOptions.yInterval + height);
// 左节点横坐标
if(index === 0) {
node.set('x', parent.get('x') - layoutOptions.xInterval / 2 - width / 2);
}
// 右结点横坐标
if(index === 1) {
node.set('x', parent.get('x') + layoutOptions.xInterval / 2 + width / 2);
}
}
//有孩子
if(node.child && (node.child[0] || node.child[1])) {
let leftChild = node.child[0],
rightChild = node.child[1],
leftGroup = this.layoutItem(leftChild, node, 0, layoutOptions),
rightGroup = this.layoutItem(rightChild, node, 1, layoutOptions),
intersection = null,
move = 0;
// 处理左子树中子树相交问题
if(leftGroup && rightChild) {
//求出包围盒相交部分
intersection = Bound.intersect(leftGroup.getBound(), rightGroup.getBound());
move = 0;
//处理
if(intersection && intersection.width > 0) {
move = (intersection.width + layoutOptions.xInterval) / 2;
// console.log(move,intersection.width,layoutOptions.xInterval);
leftGroup.translate(-move, 0);
rightGroup.translate(move, 0);
}
}
//加入分组
if(leftGroup) {
group.add(leftGroup);
}
if(rightGroup) {
group.add(rightGroup)
}
}
//返回分组
return group;
},
/**
* 布局函数
* @param {*} elements
* @param {*} layoutOptions
*/
layout(elements, layoutOptions) {
let root = elements[0];
this.layoutItem(root, null, -1, layoutOptions);
}
});