你可以通过继承 Base 类型来自定制单元格类型，并且实现一些必须的方法，例如 paint ， createEditorElement ， getEditorValue 等等。完成了这些你就可以使用你的自定制单元格类型了。例如：
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import GC from '@grapecity-software/spread-sheets';
import '@grapecity-software/spread-sheets-resources-zh';
GC.Spread.Common.CultureManager.culture("zh-cn");
import { SpreadSheets, Worksheet} from '@grapecity-software/spread-sheets-react';
import './styles.css';
import { FivePointedStarCellType, FullNameCellType } from "./data";
const Component = React.Component;
function _getElementById(id) {
return document.getElementById(id);
}
class App extends Component {
constructor(props) {
super(props);
this.spread = null;
this.state = {};
this.autoGenerateColumns = false;
}
render() {
return (<div class="sample-tutorial">
<div class="sample-spreadsheets">
<SpreadSheets workbookInitialized={spread => this.initSpread(spread)}>
<Worksheet></Worksheet>
</SpreadSheets>
</div>
</div>);
}
initSpread(spread) {
const sheet = spread.getSheet(0);
sheet.suspendPaint();
sheet.setColumnWidth(0, 100);
sheet.setColumnWidth(1, 170);
const columnInfo = [
{ name: "result", displayName: "Result", cellType: new FivePointedStarCellType(), size: 50 },
{ name: "person", displayName: "Person", cellType: new FullNameCellType(), size: 170 }
];
const source = [
{ result: true, person: {firstName:"LeBron",lastName:"James"}},
{ result: false, person: { firstName: "Chris", lastName: "Bosh" } },
{ result: true, person: { firstName: "Dwyane", lastName: "Wade" } },
{ result: false, person: { firstName: "Mike", lastName: "Miller" } },
{ result: true, person: { firstName: "Mike", lastName: "Miller" } },
{ result: true, person: { firstName: "Udonis", lastName: "Haslem" } },
{ result: true, person: { firstName: "Mario", lastName: "Chalmers" } },
{ result: true, person: { firstName: "Joel", lastName: "Anthony" } },
{ result: false, person: { firstName: "Shane", lastName: "Battier" } },
{ result: false, person: { firstName: "Ray", lastName: "Allen" } },
{ result: true, person: { firstName: "James", lastName: "Jones" } },
{ result: false, person: { firstName: "Rashard", lastName: "Lewis" } },
{ result: true, person: { firstName: "Norris", lastName: "Cole" } },
{ result: true, person: { firstName: "Chris", lastName: "Andersen" } },
{ result: false, person: { firstName: "Jarvis", lastName: "Varnado" } },
{ result: true, person: { firstName: "Juwan", lastName: "Howard" } },
];
sheet.setDataSource(source);
sheet.bindColumns(columnInfo);
sheet.resumePaint();
}
}
ReactDOM.render(<App />, _getElementById('app'));
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/zh/react/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- SystemJS -->
<script src="$DEMOROOT$/zh/react/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('$DEMOROOT$/zh/lib/react/license.js').then(function() {
System.import('./src/app');
});
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets{
height: 100%;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
#app {
height: 100%;
}
import GC from "@grapecity-software/spread-sheets";
const spreadNS = GC.Spread.Sheets;
//Custom Cell Type
export class FivePointedStarCellType {
constructor() {
this.size = 10;
}
}
FivePointedStarCellType.prototype = new spreadNS.CellTypes.Base();
FivePointedStarCellType.prototype.paint = function (ctx, value, x, y, w, h, style, context) {
if (!ctx) {
return;
}
ctx.save();
// draw inside the cell's boundary
ctx.rect(x, y, w, h);
ctx.clip();
ctx.beginPath();
if (value) {
ctx.fillStyle = "orange";
} else {
ctx.fillStyle = "gray";
}
var size = this.size;
var dx = x + w / 2;
var dy = y + h / 2;
ctx.beginPath();
var dig = Math.PI / 5 * 4;
ctx.moveTo(dx + Math.sin(0 * dig) * size, dy + Math.cos(0 * dig) * size);
for (var i = 1; i < 5; i++) {
ctx.lineTo(dx + Math.sin(i * dig) * size, dy + Math.cos(i * dig) * size);
}
ctx.closePath();
ctx.fill();
ctx.restore();
};
FivePointedStarCellType.prototype.getHitInfo = function (x, y, cellStyle, cellRect, context) {
var xm = cellRect.x + cellRect.width / 2,
ym = cellRect.y + cellRect.height / 2,
size = 10;
var info = { x: x, y: y, row: context.row, col: context.col, cellRect: cellRect, sheetArea: context.sheetArea };
if (xm - size <= x && x <= xm + size && ym - size <= y && y <= ym + size) {
info.isReservedLocation = true;
}
return info;
};
FivePointedStarCellType.prototype.processMouseUp = function (hitInfo) {
var sheet = hitInfo.sheet;
if (sheet && hitInfo.isReservedLocation) {
var row = hitInfo.row, col = hitInfo.col, sheetArea = hitInfo.sheetArea;
var newValue = !sheet.getValue(row, col, sheetArea);
var spread = sheet.getParent();
spread.commandManager().execute({cmd: "editCell", sheetName: sheet.name(), row: row, col: col, newValue: newValue});
return true;
}
return false;
};
export class FullNameCellType {}
FullNameCellType.prototype = new spreadNS.CellTypes.Base();
FullNameCellType.prototype.paint = function (ctx, value, x, y, w, h, style, options) {
if (value) {
spreadNS.CellTypes.Base.prototype.paint.apply(this, [ctx, value.firstName + "." + value.lastName, x, y, w, h, style, options]);
}
};
FullNameCellType.prototype.updateEditor = function(editorContext, cellStyle, cellRect) {
if (editorContext) {
editorContext.style.width=cellRect.width;
editorContext.style.height=100;
return {height: 100};
}
};
FullNameCellType.prototype.createEditorElement = function () {
var div = document.createElement("div");
div.setAttribute("gcUIElement", "gcEditingInput");
div.style.backgroundColor= "white";
div.style.overflow= "hidden";
var span1 = document.createElement('span');
span1.style.display = "block";
var span2 = document.createElement("span");
span2.style.display = "block";
var input1 = document.createElement("input");
var input2 = document.createElement("input");
var type = document.createAttribute('type');
type.nodeValue="text";
var clonedType = type.cloneNode(true);
input1.setAttributeNode(type);
input2.setAttributeNode(clonedType);
div.appendChild(span1);
div.appendChild(input1);
div.appendChild(span2);
div.appendChild(input2);
return div;
};
FullNameCellType.prototype.getEditorValue = function (editorContext) {
if (editorContext && editorContext.children.length === 4) {
var input1 = editorContext.children[1];
var firstName = input1.value;
var input2 = editorContext.children[3];
var lastName = input2.value;
return { firstName: firstName, lastName: lastName };
}
};
FullNameCellType.prototype.setEditorValue = function (editorContext, value) {
if (editorContext && editorContext.children.length === 4) {
var span1 = editorContext.children[0];
span1.innerHTML="First Name:";
var span2 = editorContext.children[2];
span2.innerHTML="Last Name:";
if (value) {
var input1 = editorContext.children[1];
input1.value=value.firstName;
var input2 = editorContext.children[3];
input2.value=value.lastName;
}
}
};
FullNameCellType.prototype.isReservedKey = function (e) {
//cell type handle tab key by itself
return (e.keyCode === GC.Spread.Commands.Key.tab && !e.ctrlKey && !e.shiftKey && !e.altKey);
};
FullNameCellType.prototype.isEditingValueChanged = function(oldValue, newValue) {
if (newValue.firstName != oldValue.firstName || newValue.lastName != oldValue.lastName) {
return true;
}
return false;
};
(function(global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true,
react: true
},
meta: {
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@grapecity-software/spread-sheets': 'npm:@grapecity-software/spread-sheets/index.js',
'@grapecity-software/spread-sheets-resources-zh': 'npm:@grapecity-software/spread-sheets-resources-zh/index.js',
'@grapecity-software/spread-sheets-react': 'npm:@grapecity-software/spread-sheets-react/index.js',
'@grapecity-software/jsob-test-dependency-package/react-components': 'npm:@grapecity-software/jsob-test-dependency-package/react-components/index.js',
'react': 'npm:react/umd/react.production.min.js',
'react-dom': 'npm:react-dom/umd/react-dom.production.min.js',
'css': 'npm:systemjs-plugin-css/css.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel/systemjs-babel-browser.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'jsx'
},
"node_modules": {
defaultExtension: 'js'
},
}
});
})(this);
