次のサンプルコードを使用して、チャートの配色パターンをカスタマイズできます：
次のサンプルコードを使用して、独自の配色をカスタマイズすることができます：
次のサンプルコードのように、getColor()メソッドを使用して配色パターンで指定された色を取得できます：
配色パターンを変更しても、既存の系列やデータポイントの色は更新されないことに注意してください。配色パターンは新しい系列やデータポイントを追加した場合にのみ適用されます。配色パターンを直ちに適用したい場合、以下のコードを使用して系列またはデータポイントの色をリセットする必要があります。
<template>
<div class="sample-tutorial">
<gc-spread-sheets class="sample-spreadsheets" @workbookInitialized="initSpread">
</gc-spread-sheets>
<div class="options-container">
<p>組み込み配色パターンを選択してチャートに適用する</p>
<div id="built-in-color-schemes" @click="applySetting"></div>
</div>
</div>
</template>
<script setup>
import { ref } from 'vue';
import '@mescius/spread-sheets-vue';
import GC from '@mescius/spread-sheets';
import '@mescius/spread-sheets-shapes';
import '@mescius/spread-sheets-charts';
import '@mescius/spread-sheets-resources-ja';
GC.Spread.Common.CultureManager.culture("ja-jp");
let spread;
const resetSeriesColor = (chart, colorScheme) => {
let series = chart.series().get();
for (let i = 0, len = series.length; i < len; i++) {
let seriesItem = series[i];
seriesItem.backColor = GC.Spread.Sheets.Charts.getColor(colorScheme, i, len);
chart.series().set(i, seriesItem);
}
};
const getActiveCharts = (spreadInstance) => {
const sheet = spreadInstance.getActiveSheet();
const charts = sheet.charts.all();
return charts.filter(chart => chart.isSelected());
};
const getBuiltInColorScheme = (key) => {
return GC.Spread.Sheets.Charts.ColorSchemes[key];
};
const resetChartsColorScheme = (selectedCharts, colorScheme) => {
if (!colorScheme || selectedCharts.length === 0) return;
selectedCharts.forEach(selectedChart => {
selectedChart.colorScheme(colorScheme);
resetSeriesColor(selectedChart, colorScheme);
});
};
const initSpread = (spreadInstance) => {
spread = spreadInstance;
setSettings(spreadInstance);
};
const setSettings = (spreadInstance) => {
const sheet = spreadInstance.getActiveSheet();
sheet.setArray(0, 0, [
[null, 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9'],
['b1', 3, 4, 7, 8, 10, 12, 14, 16, 18],
['b2', 1, 9, 2, 5, 5.5, 6, 6.5, 7, 7.5],
]);
const chart = sheet.charts.add(
'chart2',
GC.Spread.Sheets.Charts.ChartType.columnClustered,
100,
100,
300,
300,
'A1:J3',
GC.Spread.Sheets.Charts.RowCol.columns,
GC.Spread.Sheets.Charts.ColorSchemes.colorfulPalette2
);
chart.isSelected(true);
const theme = sheet.currentTheme();
const builtInColorSchemesDom = document.getElementById('built-in-color-schemes');
const colorSchemes = GC.Spread.Sheets.Charts.ColorSchemes;
Object.keys(colorSchemes).forEach(key => {
const colorScheme = colorSchemes[key];
const colorSchemeDom = document.createElement('div');
colorSchemeDom.className = 'color-scheme';
colorSchemeDom.dataset.key = key;
for (let i = 0; i < 6; i++) {
const colorSchemeItemDom = document.createElement('div');
colorSchemeItemDom.className = 'color-item';
colorSchemeItemDom.style.backgroundColor = theme.getColor(
GC.Spread.Sheets.Charts.getColor(colorScheme, i, 6)
);
colorSchemeItemDom.dataset.key = key;
colorSchemeDom.appendChild(colorSchemeItemDom);
}
builtInColorSchemesDom.appendChild(colorSchemeDom);
});
};
const applySetting = (event) => {
const key = event.target.dataset && event.target.dataset.key;
const colorScheme = getBuiltInColorScheme(key);
const selectedCharts = getActiveCharts(spread);
resetChartsColorScheme(selectedCharts, colorScheme);
};
</script>
<style scoped>
#app {
height: 100%;
}
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
height: 100%;
overflow: hidden;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
label {
display: inline-block;
width: 80px;
}
.settings-row {
width: 100%;
height: 30px;
font-size: 13px;
}
#built-in-color-schemes {
height: 80%;
overflow-y: scroll;
overflow-x: clip;
border: black 1px solid;
}
#colors-list {
min-height: 40px;
margin-bottom: 10px;
border: black 1px solid;
}
.color-scheme {
width: 256px;
height: 40px;
}
.color-scheme:hover {
background-color: #CCCCCC;
}
.color-item {
width: 34px;
height: 34px;
margin: 2px;
display: inline-block;
}
</style>
<!DOCTYPE html>
<html lang="en" style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title>SpreadJS VUE</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/ja/vue3/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/ja/vue3/node_modules/systemjs/dist/system.src.js"></script>
<script src="./systemjs.config.js"></script>
<script src="./compiler.js" type="module"></script>
<script>
var System = SystemJS;
System.import("./src/app.js");
System.import('$DEMOROOT$/ja/lib/vue3/license.js');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
(function (global) {
SystemJS.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
packageConfigPaths: [
'./node_modules/*/package.json',
"./node_modules/@mescius/*/package.json",
"./node_modules/@babel/*/package.json",
"./node_modules/@vue/*/package.json"
],
map: {
'vue': "npm:vue/dist/vue.esm-browser.js",
'tiny-emitter': 'npm:tiny-emitter/index.js',
'plugin-babel': 'npm:systemjs-plugin-babel/plugin-babel.js',
"systemjs-babel-build": "npm:systemjs-plugin-babel/systemjs-babel-browser.js",
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-resources-ja': 'npm:@mescius/spread-sheets-resources-ja/index.js',
'@mescius/spread-sheets-vue': 'npm:@mescius/spread-sheets-vue/index.js',
'@mescius/spread-sheets-shapes': 'npm:@mescius/spread-sheets-shapes/index.js',
'@mescius/spread-sheets-charts': 'npm:@mescius/spread-sheets-charts/index.js',
},
meta: {
'*.css': { loader: 'systemjs-plugin-css' },
'*.vue': { loader: "../plugin-vue/index.js" }
}
});
})(this);
