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index.html
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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/html" lang="zh">
<head>
<title>UIMarker</title>
<meta charset="utf-8">
</head>
<body onload="onBodyLoad()">
<div id="memo">
<span>UI Marker: support cmd+x(cut)、cmd+c(copy)、cmd+v(paste)、cmd+backspace(delete), Don't use 'nodes' and 'image' as label name.</span>
</div>
<div id="ctrl">
<div style="align-items: center; display: flex">
<label for="jsonData">
<textarea
id="jsonData"
rows="10"
cols="70"
placeholder="JsonData"
></textarea>
</label>
<button class="btn" data-clipboard-target="#jsonData" style="margin-left: 20px">CopyData</button>
</div>
<div style="margin-bottom: 10px">
<button onclick="importData()">ImportData</button>
<button onclick="saveAllPageData()">SaveData</button>
<button onclick="addNode()">AddPosition</button>
<label>
Switch Page
<select id="pageSelector" onchange="onPageChange()" style="width: 200px">
<option value="PageA">PageA</option>
<option value="PageB">PageB</option>
</select>
<span id="imageSize">ImageSize: width * height</span>
</label>
</div>
</div>
<div id="container" style="border: 1px solid"></div>
</body>
<script src="https://cdn.jsdelivr.net/gh/yihuineng/ui-marker@master/lib/x6.js"></script>
<script src="https://cdn.jsdelivr.net/gh/yihuineng/ui-marker@master/lib/clipboard.min.js"></script>
<script>
let randomStr = `${Math.random()}`;
let graph;
let jsonData = {
"PageA": {
"image": "https://cdn.jsdelivr.net/gh/yihuineng/images@master/uimarker/page1.jpg",
"btn1": "100,200",
"btn2": "200,200"
},
"PageB": {
"image": "https://cdn.jsdelivr.net/gh/yihuineng/images@master/uimarker/page2.jpg",
"btn3": "100,200",
"btn4": "300,200"
}
};
let currentPage = 'PageA';
const getImgSize = async (url) => {
return new Promise(resolve => {
// 获取图片宽高
const img = new Image();
img.src = url;
img.onload = () => {
resolve({ width: img.width / 2, height: img.height / 2 });
};
});
};
const newNode = (label = 'new-label', x = 50, y = 50) => {
return {
shape: 'polygon',
x,
y,
width: 80,
height: 40,
label,
attrs: {
body: {
fill: 'red',
stroke: 'red',
points: '0,0 5,0 0,0 0,5',
},
},
};
};
const recreateGraph = async (opts) => {
const {
backgroundImage = 'https://cdn.jsdelivr.net/gh/yihuineng/images@master/uimarker/page1.jpg',
nodes = [],
} = opts;
const imgSize = await getImgSize(backgroundImage);
const width = opts.width || imgSize.width;
const height = opts.height || imgSize.height;
console.log(width, height);
document.getElementById("imageSize").innerText = `ImageSize: ${width} * ${height}`;
if (graph) {
graph.dispose();
graph = null;
}
graph = new X6.Graph({
container: document.getElementById('container'),
clipboard: true,
keyboard: {
enabled: true,
format(key) {
return key
.replace(/\s/g, '')
.replace('cmd', 'command');
},
},
selecting: {
enabled: true,
showNodeSelectionBox: true,
},
width,
height,
background: {
image: backgroundImage,
opacity: 0.5,
size: {
width,
height,
},
},
grid: {
size: 5,
visible: false,
},
});
graph.bindKey('cmd+c', () => {
const cells = graph.getSelectedCells()
if (cells.length) {
graph.copy(cells);
}
return false;
});
graph.bindKey('cmd+v', () => {
if (!graph.isClipboardEmpty()) {
const cells = graph.paste({ offset: 32 });
graph.cleanSelection();
graph.select(cells);
}
return false;
});
graph.bindKey('cmd+x', () => {
const cells = graph.getSelectedCells()
if (cells.length) {
graph.cut(cells);
}
return false;
});
graph.bindKey('cmd+backspace', () => {
const cells = graph.getSelectedCells()
if (cells.length) {
cells.forEach(cell => {
cell.remove();
});
}
return false;
});
graph.on('cell:dblclick', ({ cell, e }) => {
const isNode = cell.isNode()
const name = cell.isNode() ? 'node-editor' : 'edge-editor'
cell.removeTool(name)
cell.addTools({
name,
args: {
event: e,
attrs: {
backgroundColor: isNode ? '#EFF4FF' : '#FFF',
},
},
})
});
graph.fromJSON({ nodes });
};
const importData = async () => {
// fresh image cache
randomStr = `${Math.random()}`;
const jsonStr = document.getElementById("jsonData").value.trim();
jsonData = eval("(" + jsonStr + ")");
const pageKeys = Object.keys(jsonData);
// labels -> nodes
for (const pageKey in jsonData) {
jsonData[pageKey].nodes = getNodesByLabels(jsonData[pageKey]);
}
currentPage = pageKeys[0];
await recreateGraph({
backgroundImage: jsonData[currentPage].image,
nodes: jsonData[currentPage].nodes,
});
// update select
const select = document.getElementById("pageSelector");
select.options.length = 0;
pageKeys.forEach(k => {
select.options.add(new Option(k, k));
});
select[0].selected = true;
};
const addNode = () => {
graph.addNode(newNode());
};
const saveAllPageData = () => {
saveCurrentPage();
const resultJson = { ...jsonData };
for (const key in resultJson) {
delete resultJson[key].nodes;
}
console.log('resultJson', resultJson);
document.getElementById("jsonData").value = JSON.stringify(resultJson, null, 2);
};
// save current page data: nodes labels
const saveCurrentPage = () => {
if (!graph) {
return;
}
const { cells = [] } = graph.toJSON();
const nodes = [];
const labels = {};
cells.forEach(cell => {
const label = cell.attrs.text.text.trim();
labels[label] = `${cell.position.x},${cell.position.y}`;
nodes.push(newNode(label, cell.position.x, cell.position.y));
});
// 更新nodes和labels
jsonData[currentPage] = {
image: jsonData[currentPage].image,
nodes,
...labels
};
};
const onPageChange = async () => {
saveCurrentPage();
const select = document.getElementById("pageSelector");
const idx = select.selectedIndex;
const selPage = select.options[idx].value;
console.log('onPageChange', selPage);
await recreateGraph({
backgroundImage: jsonData[selPage].image + "?ran=" + randomStr,
nodes: jsonData[selPage].nodes,
});
currentPage = selPage;
};
const getNodesByLabels = (labels) => {
const nodes = [];
for (const labelKey in labels) {
if (labelKey !== 'image' && labelKey !== 'nodes') {
const labelPos = labels[labelKey].split(',');
nodes.push(newNode(labelKey, Number.parseInt(labelPos[0]), Number.parseInt(labelPos[1])));
}
}
return nodes;
};
const onBodyLoad = () => {
console.log('onload');
const clipboard = new ClipboardJS('.btn');
clipboard.on('success', () => {
alert('copy success！');
});
// 尝试通过url传参初始化
const urlParams = new URLSearchParams(window.location.search);
const jsonText = urlParams.get('jsonText');
if (jsonText) {
document.getElementById("jsonData").value = jsonText;
importData();
return;
}
// 默认数据初始化
const defPageKeys = Object.keys(jsonData);
for (const key in jsonData) {
jsonData[key].nodes = getNodesByLabels(jsonData[key]);
}
recreateGraph({
backgroundImage: jsonData[defPageKeys[0]].image,
nodes: jsonData[defPageKeys[0]].nodes,
});
};
</script>
</html>