Files
Tenney95-ComfyUI-NodeAligner/node_info.js
T
2024-09-18 22:23:05 +08:00

509 lines
25 KiB
JavaScript

const alignBottomSvg = `<svg t="1725534360155" class="icon" viewBox="0 0 1170 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1662" width="100%"><path d="M1170.285714 987.428571a36.571429 36.571429 0 0 0-36.571428-36.571428H36.571429a36.571429 36.571429 0 0 0 0 73.142857h1097.142857a36.571429 36.571429 0 0 0 36.571428-36.571429z m-219.428571-146.285714v-512a36.571429 36.571429 0 0 0-36.571429-36.571428h-219.428571a36.571429 36.571429 0 0 0-36.571429 36.571428v512a36.571429 36.571429 0 0 0 36.571429 36.571429h219.428571a36.571429 36.571429 0 0 0 36.571429-36.571429z m-438.857143 0V36.571429a36.571429 36.571429 0 0 0-36.571429-36.571429h-219.428571a36.571429 36.571429 0 0 0-36.571429 36.571429v804.571428a36.571429 36.571429 0 0 0 36.571429 36.571429h219.428571a36.571429 36.571429 0 0 0 36.571429-36.571429z" fill="#666666" p-id="1663"></path></svg>`;
const alignCenterHorizontallySvg = `<svg t="1725534379860" class="icon" viewBox="0 0 1243 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2250" width="100%"><path d="M548.571429 472.356571h146.285714V231.643429a36.571429 36.571429 0 0 1 36.571428-36.571429h219.428572a36.571429 36.571429 0 0 1 36.571428 36.571429v240.713142h179.785143a39.643429 39.643429 0 0 1 0 79.286858H987.428571v240.713142a36.571429 36.571429 0 0 1-36.571428 36.571429h-219.428572a36.571429 36.571429 0 0 1-36.571428-36.571429V551.643429h-146.285714V950.857143a36.571429 36.571429 0 0 1-36.571429 36.571428H292.571429a36.571429 36.571429 0 0 1-36.571429-36.571428V551.643429H76.214857a39.643429 39.643429 0 1 1 0-79.286858H256V73.142857A36.571429 36.571429 0 0 1 292.571429 36.571429h219.428571a36.571429 36.571429 0 0 1 36.571429 36.571428v399.213714z" fill="#666666" p-id="2251"></path></svg>`;
const alignCenterVerticallySvg = `<svg t="1725534363707" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1809" width="100%"><path d="M477.312 576V448H266.688a32 32 0 0 1-32-32v-192a32 32 0 0 1 32-32h210.624V34.688a34.688 34.688 0 0 1 69.376 0V192h210.624a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32H546.688v128H896a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32H546.688v157.312a34.688 34.688 0 1 1-69.376 0V832H128a32 32 0 0 1-32-32v-192A32 32 0 0 1 128 576h349.312z" fill="#666666" p-id="1810"></path></svg>`;
const alignLeftSvg = `<svg t="1725534370541" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2103" width="100%"><path d="M96 0a32 32 0 0 1 32 32v960a32 32 0 0 1-64 0V32A32 32 0 0 1 96 0z m128 192h448a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32h-448a32 32 0 0 1-32-32v-192a32 32 0 0 1 32-32z m0 384h704a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32h-704a32 32 0 0 1-32-32v-192a32 32 0 0 1 32-32z" fill="#666666" p-id="2104"></path></svg>`;
const alignRightSvg = `<svg t="1725534384109" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2397" width="100%"><path d="M928 0a32 32 0 0 1 32 32v960a32 32 0 0 1-64 0V32a32 32 0 0 1 32-32z m-576 192h448a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32h-448a32 32 0 0 1-32-32v-192a32 32 0 0 1 32-32z m-256 384h704a32 32 0 0 1 32 32v192a32 32 0 0 1-32 32H96a32 32 0 0 1-32-32v-192A32 32 0 0 1 96 576z" fill="#666666" p-id="2398"></path></svg>`;
const alignTopSvg = `<svg t="1725534367556" class="icon" viewBox="0 0 1170 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1956" width="100%"><path d="M1170.285714 36.571429a36.571429 36.571429 0 0 1-36.571428 36.571428H36.571429a36.571429 36.571429 0 0 1 0-73.142857h1097.142857a36.571429 36.571429 0 0 1 36.571428 36.571429z m-219.428571 146.285714v512a36.571429 36.571429 0 0 1-36.571429 36.571428h-219.428571a36.571429 36.571429 0 0 1-36.571429-36.571428v-512a36.571429 36.571429 0 0 1 36.571429-36.571429h219.428571a36.571429 36.571429 0 0 1 36.571429 36.571429z m-438.857143 0v804.571428a36.571429 36.571429 0 0 1-36.571429 36.571429h-219.428571a36.571429 36.571429 0 0 1-36.571429-36.571429v-804.571428a36.571429 36.571429 0 0 1 36.571429-36.571429h219.428571a36.571429 36.571429 0 0 1 36.571429 36.571429z" fill="#666666" p-id="1957"></path></svg>`;
const horizontalDistributionSvg = `<svg t="1725534354023" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1515" width="100%"><path d="M96 0a32 32 0 0 1 32 32v960a32 32 0 0 1-64 0V32A32 32 0 0 1 96 0z m832 0a32 32 0 0 1 32 32v960a32 32 0 0 1-64 0V32a32 32 0 0 1 32-32zM384 800v-576a32 32 0 0 1 32-32h192a32 32 0 0 1 32 32v576a32 32 0 0 1-32 32h-192a32 32 0 0 1-32-32z" fill="#666666" p-id="1516"></path></svg>`;
const verticalDistributionSvg = `<svg t="1725534350231" class="icon" viewBox="0 0 1170 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1368" width="100%"><path d="M1170.285714 36.571429a36.571429 36.571429 0 0 1-36.571428 36.571428H36.571429a36.571429 36.571429 0 0 1 0-73.142857h1097.142857a36.571429 36.571429 0 0 1 36.571428 36.571429z m0 950.857142a36.571429 36.571429 0 0 1-36.571428 36.571429H36.571429a36.571429 36.571429 0 0 1 0-73.142857h1097.142857a36.571429 36.571429 0 0 1 36.571428 36.571428zM256 365.714286h658.285714a36.571429 36.571429 0 0 1 36.571429 36.571428v219.428572a36.571429 36.571429 0 0 1-36.571429 36.571428h-658.285714a36.571429 36.571429 0 0 1-36.571429-36.571428v-219.428572a36.571429 36.571429 0 0 1 36.571429-36.571428z" fill="#666666" p-id="1369"></path></svg>`;
const equalWidthSvg = `<svg t="1725606034670" class="icon" viewBox="0 0 1088 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7213" width="100%"><path d="M978.24 480a42.688 42.688 0 0 1-42.688 42.688H172.928a42.688 42.688 0 0 1-42.688-42.688V213.312c0-23.552 19.072-42.624 42.688-42.624h762.624c23.552 0 42.688 19.072 42.688 42.624V480z" fill="#666666" p-id="7214"></path><path d="M256.96 734.144c0-14.08 11.456-25.6 25.6-25.6h543.36a25.6 25.6 0 0 1 0 51.2h-543.36a25.6 25.6 0 0 1-25.6-25.6z" fill="#666666" p-id="7215"></path><path d="M136.64 745.216a12.8 12.8 0 0 1 0-22.144l184.192-106.368a12.8 12.8 0 0 1 19.2 11.072v212.736a12.8 12.8 0 0 1-19.2 11.072l-184.192-106.368zM971.84 745.216a12.8 12.8 0 0 0 0-22.144l-184.256-106.368a12.8 12.8 0 0 0-19.2 11.072v212.736a12.8 12.8 0 0 0 19.2 11.072l184.256-106.368z" fill="#666666" p-id="7216"></path></svg>`
const equalHeightSvg = `<svg t="1725606224564" class="icon" viewBox="0 0 1088 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7790" width="100%"><path d="M572.16 936a42.688 42.688 0 0 1-42.688-42.688V130.688c0-23.616 19.136-42.688 42.688-42.688h266.688c23.552 0 42.624 19.072 42.624 42.688v762.624a42.688 42.688 0 0 1-42.624 42.688H572.16z" fill="#666666" p-id="7791"></path><path d="M318.016 214.72c14.08 0 25.6 11.456 25.6 25.6v543.36a25.6 25.6 0 1 1-51.2 0v-543.36c0-14.144 11.456-25.6 25.6-25.6z" fill="#666666" p-id="7792"></path><path d="M306.944 94.4a12.8 12.8 0 0 1 22.144 0l106.368 184.192a12.8 12.8 0 0 1-11.072 19.2H211.648a12.8 12.8 0 0 1-11.072-19.2l106.368-184.192zM306.944 929.6a12.8 12.8 0 0 0 22.144 0l106.368-184.192a12.8 12.8 0 0 0-11.072-19.2H211.648a12.8 12.8 0 0 0-11.072 19.2l106.368 184.192z" fill="#666666" p-id="7793"></path></svg>`
const current_node_list = []; // 存储已选中的节点
const ButtonManager = {
isInitialized: false, // 检查是否已经初始化
buttonContainer: null, // 保存按钮容器
contextMenu: null, // 右键菜单
isPermanent: true, // 是否为驻留按钮
initialX: 0, // 初始位置X
initialY: 0, // 初始位置Y
dragStartX: 0, // 拖拽开始时的X
dragStartY: 0, // 拖拽开始时的Y
isDragging: false, // 检查是否正在拖拽
hasShownTooltip: false,
// 初始化按钮
init() {
if (this.isInitialized) return; // 如果已经初始化过,不再重复创建
// 使用 CSS 定义 hover 效果和所有样式
const style = document.createElement('style');
style.textContent = `
#alignment-buttons {
position: absolute;
top: 20px;
right: 10px;
left: unset;
bottom: unset;
display: flex;
background: #2b2b2b;
padding: 4px;
border-radius: 4px;
z-index: 999;
width: 290px;
height: 32px;
white-space: nowrap; /* 禁止换行,确保按钮在同一行显示 */
}
.custom-button {
width: 25px;
height: 25px;
background-size: contain;
background-repeat: no-repeat;
background-position: center;
background-color: #2b2b2b;
border: none;
cursor: pointer;
padding: 4px;
border-radius: 4px;
transition: background-color 0.3s ease;
}
.custom-button:hover {
background-color: #555555;
}
.divider {
width: 3.2px;
height: 15px;
background-color: #1e1e1e;
margin: 5px 4px;
border-radius: 9px;
cursor: grab;
}
.divider:active {
cursor: grabbing;
}
/* 提示样式 */
#tooltip {
position: absolute;
bottom: -20px;
right: 0;
background: #333;
color: white;
padding: 5px 10px;
border-radius: 6px;
display: none;
z-index: 1001;
white-space: nowrap;
font-size: 12px;
}
`;
document.head.appendChild(style);
// 创建按钮容器
this.buttonContainer = document.createElement('div');
this.buttonContainer.id = 'alignment-buttons';
// 从 localStorage 恢复位置
this.restorePosition();
document.body.appendChild(this.buttonContainer);
// 创建按钮并分配功能
const buttons = this.getButtons();
buttons.forEach(btn => {
if (btn.type === 'divider') {
// 创建分割线
const divider = document.createElement('div');
divider.classList.add('divider');
// 添加拖拽功能
divider.addEventListener('mousedown', this.onDragStart.bind(this));
document.addEventListener('mousemove', this.onDragging.bind(this));
document.addEventListener('mouseup', this.onDragEnd.bind(this));
this.buttonContainer.appendChild(divider);
} else {
// 创建按钮
const button = document.createElement('button');
button.id = btn.id;
button.classList.add('custom-button');
button.innerHTML = btn.svg;
button.addEventListener('click', btn.action);
this.buttonContainer.appendChild(button);
}
});
this.isInitialized = true; // 标记已经初始化
this.showContextMenu();
// 创建工具提示元素
const tooltip = document.createElement('div');
tooltip.id = 'tooltip';
tooltip.textContent = '右键可选按钮呈现模式'; // 工具提示的内容
this.buttonContainer.appendChild(tooltip);
// 从 localStorage 检查是否已经显示过提示
if (!this.hasShownTooltip) {
// 如果还没有显示过提示,设置悬停事件
this.buttonContainer.addEventListener('mouseenter', () => {
if (!this.hasShownTooltip) {
setTimeout(() => {
tooltip.style.display = 'block';
this.hasShownTooltip = true;
}, 1000);
}
});
this.buttonContainer.addEventListener('mouseleave', () => {
// 删除tooltip 当鼠标离开时隐藏提示
tooltip.remove();
});
}
let isPermanent = localStorage.getItem('NodeAlignerIsPermanent');
if (isPermanent) {
this.isPermanent = localStorage.getItem('NodeAlignerIsPermanent') == '1';
this.isPermanent ? this.show() : this.hide();
} else {
this.show()
}
},
// 获取按钮配置
getButtons() {
return [
/* 左对齐 */
{ id: 'alignLeft', svg: alignLeftSvg, action: this.alignLeft.bind(this) },
/* 竖向居中对齐 */
{ id: 'alignCenterVertically', svg: alignCenterVerticallySvg, action: this.alignCenterVertically.bind(this) },
/* 右对齐 */
{ id: 'alignRight', svg: alignRightSvg, action: this.alignRight.bind(this) },
// 分割线
{ type: 'divider' },
/* 顶部对齐 */
{ id: 'alignTop', svg: alignTopSvg, action: this.alignTop.bind(this) },
/* 横向居中对齐 */
{ id: 'alignCenterHorizontally', svg: alignCenterHorizontallySvg, action: this.alignCenterHorizontally.bind(this) },
/* 底部对齐 */
{ id: 'alignBottom', svg: alignBottomSvg, action: this.alignBottom.bind(this) },
// 分割线
{ type: 'divider' },
/* 横向分布 */
{ id: 'horizontalDistribution', svg: horizontalDistributionSvg, action: this.horizontalDistribution.bind(this) },
/* 竖向分布 */
{ id: 'verticalDistribution', svg: verticalDistributionSvg, action: this.verticalDistribution.bind(this) },
// 分割线
{ type: 'divider' },
/* 等宽 */
{ id: 'equalWidth', svg: equalWidthSvg, action: this.equalWidth.bind(this) },
/* 等高 */
{ id: 'equalHeight', svg: equalHeightSvg, action: this.equalHeight.bind(this) },
];
},
// 显示右键菜单
showContextMenu() {
// 创建右键菜单元素
this.contextMenu = document.createElement('div');
this.contextMenu.id = 'context-menu';
this.contextMenu.style.display = 'none'; // 初始设置为不显示
this.contextMenu.innerHTML = `
<button id="pin-mode">驻留</button>
<button id="toggle-on-select">选中后显示</button>
`;
this.buttonContainer.appendChild(this.contextMenu);
// 绑定右键菜单显示事件
this.buttonContainer.addEventListener('contextmenu', (event) => {
event.preventDefault();
this.contextMenu.style.display = 'block';
this.contextMenu.style.left = `${event.pageX}px`;
this.contextMenu.style.top = `${event.pageY}px`;
});
// 绑定菜单项的点击事件
this.contextMenu.querySelector('#pin-mode').addEventListener('click', () => {
// 实现固定模式的逻辑
this.contextMenu.style.display = 'none'; // 隐藏右键菜
this.isPermanent = true;
localStorage.setItem('NodeAlignerIsPermanent', '1');
this.restorePosition();
});
this.contextMenu.querySelector('#toggle-on-select').addEventListener('click', () => {
// 实现选中后显示模式的逻辑
this.buttonContainer.style.display = 'none'; // 默认不显示按钮容器
this.contextMenu.style.display = 'none'; // 隐藏右键菜单
this.isPermanent = false;
localStorage.setItem('NodeAlignerIsPermanent', '0');
});
},
// 显示按钮
show() {
this.buttonContainer.style.display = 'flex'; // 显示按钮容器
},
// 隐藏按钮
hide() {
this.buttonContainer.style.display = 'none'; // 隐藏按钮容器
},
setPosition(x, y) {
this.buttonContainer.style.left = `${x}px`;
this.buttonContainer.style.top = `${y}px`;
},
// 开始拖拽
onDragStart(e) {
if (!e.target.classList.contains('divider')) {
return; // 确保只在点击分割线时开始拖拽
}
this.isDragging = true;
this.initialX = e.clientX;
this.initialY = e.clientY;
this.dragStartX = this.buttonContainer.offsetLeft;
this.dragStartY = this.buttonContainer.offsetTop;
// 临时添加事件监听器
document.addEventListener('mousemove', this.onDragging.bind(this));
document.addEventListener('mouseup', this.onDragEnd.bind(this));
},
// 拖拽中
onDragging(e) {
if (this.isDragging) {
const deltaX = e.clientX - this.initialX;
const deltaY = e.clientY - this.initialY;
this.buttonContainer.style.left = `${this.dragStartX + deltaX}px`;
this.buttonContainer.style.top = `${this.dragStartY + deltaY}px`;
}
},
// 结束拖拽
onDragEnd() {
this.isDragging = false;
// 移除事件监听器
document.removeEventListener('mousemove', this.onDragging);
document.removeEventListener('mouseup', this.onDragEnd);
// 获取按钮容器的位置信息
const rect = this.buttonContainer.getBoundingClientRect();
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
// 计算距离四个边的距离
const distanceToTop = rect.top;
const distanceToBottom = windowHeight - rect.bottom;
const distanceToLeft = rect.left;
const distanceToRight = windowWidth - rect.right;
// 选择两个最近的边
let top = 'unset';
let bottom = 'unset';
let left = 'unset';
let right = 'unset';
if (distanceToTop < distanceToBottom) {
top = `${distanceToTop}px`;
} else {
bottom = `${distanceToBottom}px`;
}
if (distanceToLeft < distanceToRight) {
left = `${distanceToLeft}px`;
} else {
right = `${distanceToRight}px`;
}
// 更新样式使其根据距离四边的情况固定
this.buttonContainer.style.top = top;
this.buttonContainer.style.bottom = bottom;
this.buttonContainer.style.left = left;
this.buttonContainer.style.right = right;
// 保存位置到 localStorage
localStorage.setItem('NodeAlignerButtonContainerPosition', JSON.stringify({ top, left, right, bottom }));
},
// 恢复位置
restorePosition() {
const savedPosition = JSON.parse(localStorage.getItem('NodeAlignerButtonContainerPosition'));
if (savedPosition) {
this.buttonContainer.style.top = savedPosition.top;
this.buttonContainer.style.bottom = savedPosition.bottom;
this.buttonContainer.style.left = savedPosition.left;
this.buttonContainer.style.right = savedPosition.right;
} else {
// 如果没有保存的位置信息,则使用默认位置
this.buttonContainer.style.top = '20px';
this.buttonContainer.style.right = '20px';
}
},
// 获取当前选中的节点
getSelectedNodes() {
const selectedNodesObj = LGraphCanvas.active_canvas.selected_nodes;
return selectedNodesObj ? Object.values(selectedNodesObj) : [];
},
// 执行对齐操作的通用方法
alignNodesByProperty(prop, value) {
const nodes = this.getSelectedNodes();
if (nodes.length > 0) {
nodes.forEach(node => {
node.pos[prop] = value;
});
LGraphCanvas.active_canvas.setDirty(true, true); // 重新渲染 canvas
}
},
// 左对齐
alignLeft() {
const selectedNodes = this.getSelectedNodes();
if (selectedNodes.length === 0) {
// 如果没有选中任何节点,重置视图位置和缩放比例
const canvas = LGraphCanvas.active_canvas;
if (canvas) {
canvas.ds.offset = [80, 140]; // 重置视图位置
canvas.ds.scale = 1; // 重置缩放比例
canvas.setDirty(true, true);
}
} else if (selectedNodes.length === 1) {
selectedNodes[0].pos[0] = 0;
} else if (selectedNodes.length > 1) {
const leftMost = Math.min(...selectedNodes.map(node => node.pos[0]));
this.alignNodesByProperty(0, leftMost);
}
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 右对齐
alignRight() {
const rightMost = Math.max(...this.getSelectedNodes().map(node => node.pos[0] + node.size[0]));
this.getSelectedNodes().forEach(node => {
node.pos[0] = rightMost - node.size[0];
});
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 顶部对齐
alignTop() {
const selectedNodes = this.getSelectedNodes();
if (selectedNodes.length === 1) {
selectedNodes[0].pos[1] = 0;
} else if (selectedNodes.length > 1) {
const topMost = Math.min(...selectedNodes.map(node => node.pos[1]));
this.alignNodesByProperty(1, topMost);
}
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 底部对齐
alignBottom() {
const bottomMost = Math.max(...this.getSelectedNodes().map(node => node.pos[1] + node.size[1]));
this.getSelectedNodes().forEach(node => {
node.pos[1] = bottomMost - node.size[1];
});
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 水平居中对齐
alignCenterHorizontally() {
const centerY = this.calculateCenter(1);
this.getSelectedNodes().forEach(node => {
node.pos[1] = centerY - node.size[1] / 2;
});
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 垂直居中对齐
alignCenterVertically() {
const centerX = this.calculateCenter(0);
this.getSelectedNodes().forEach(node => {
node.pos[0] = centerX - node.size[0] / 2;
});
LGraphCanvas.active_canvas.setDirty(true, true);
},
// 计算节点的中心坐标
calculateCenter(axis) {
const nodes = this.getSelectedNodes();
const min = Math.min(...nodes.map(node => node.pos[axis]));
const max = Math.max(...nodes.map(node => node.pos[axis] + node.size[axis]));
return (min + max) / 2;
},
// 横向分布
horizontalDistribution() {
this.distributeNodes(0);
},
// 纵向分布
verticalDistribution() {
this.distributeNodes(1);
},
// 等宽
equalWidth() {
this.equalSize(0);
},
// 等高
equalHeight() {
this.equalSize(1);
},
// 通用的节点尺寸调整
equalSize(axis) {
const nodes = this.getSelectedNodes();
if (nodes.length > 0) {
// 找到节点中最大的尺寸
const maxSize = Math.max(...nodes.map(node => node.size[axis]));
nodes.forEach(node => {
node.size[axis] = maxSize; // 设置所有节点的大小为最大值
});
LGraphCanvas.active_canvas.setDirty(true, true);
}
},
// 通用的节点分布方法
distributeNodes(axis) {
const nodes = this.getSelectedNodes();
if (nodes.length > 1) {
// 按照节点在 axis 轴上的位置(高低)进行排序
nodes.sort((a, b) => a.pos[axis] - b.pos[axis]);
// 获取最小和最大的位置范围
const min = Math.min(...nodes.map(node => node.pos[axis]));
const max = Math.max(...nodes.map(node => node.pos[axis] + node.size[axis]));
// 计算节点的总尺寸
const totalSize = nodes.reduce((sum, node) => sum + node.size[axis], 0);
// 计算间距
const spacing = (max - min - totalSize) / (nodes.length - 1);
// 初始化当前分布位置
let current = min;
// 遍历排序后的节点,按顺序分布
nodes.forEach(node => {
node.pos[axis] = current; // 设置当前节点位置
current += node.size[axis] + spacing; // 更新下一个节点位置
});
// 重新渲染画布
LGraphCanvas.active_canvas.setDirty(true, true);
}
}
};
function pollForCanvas() {
const canvas = document.querySelector('canvas#graph-canvas');
if (canvas) {
ButtonManager.init();
// 监听左键单击事件
canvas.addEventListener('click', function (event) {
// 检查是否为非驻留模式
if (!ButtonManager.isPermanent) {
const selectedNodes = ButtonManager.getSelectedNodes();
if (selectedNodes.length >= 2) {
ButtonManager.show();
ButtonManager.setPosition(event.layerX, event.layerY - 40);
} else {
ButtonManager.hide();
}
}
});
} else {
setTimeout(pollForCanvas, 1000); // 每隔 1 秒尝试查找一次
}
}
// 启动轮询查找
pollForCanvas();