セルの塗りつぶし効果 | 機能紹介 | SpreadJS（スプレッドJS）チュートリアルデモアプリケーション

単色のバックカラーのほかに、SpreadJSはグラデーションとパターンによる塗りつぶしに対応しました。以下のサンプルは、赤-白-青のグラデーションを上から下にかけて設定する方法を示しています。下記のサンプルは、赤-白-青のグラデーションを内側から外側にかけて設定する方法を示しています。次のサンプルでは、白地に赤の横縞のパターンで塗りつぶしています。

window.onload = initFunction;
function initFunction() {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), {sheetCount: 1});
spread.suspendPaint();
var sheet = spread.getActiveSheet();
initSheet(sheet);
// Set range with pattern fill
sheet.getRange(3, 2, 3, 2).backColor({type: GC.Spread.Sheets.PatternType.darkDown, backgroundColor: '#D3D3D3', patternColor: "white"});
sheet.getRange(6, 1, 12, 1).backColor({type: GC.Spread.Sheets.PatternType.gray125, backgroundColor: '#B3B3B3', patternColor: "white"});
// Set range with gradient path fill
sheet.getRange(1, 3, 1, 1).backColor({type:"path", left: 0.1, top: 0.3, right: 0.9, bottom: 0.6, stops: [{position:0, color:"#C3C3C3"},{position:1, color:"white"}]});
// Set conditional format with gradient path fill
var cfs = sheet.conditionalFormats;
var style = new GC.Spread.Sheets.Style();
style.backColor = {degree: 90, stops: [{position:0.3, color:"white"},{position:1, color:"#C3C3C3"},]};
cfs.addCellValueRule(GC.Spread.Sheets.ConditionalFormatting.ComparisonOperators.greaterThan, 250000, 0, style, [new GC.Spread.Sheets.Range(6, 2, 12, 1)]);
// Set table style with gradient fill
var border = new GC.Spread.Sheets.LineBorder();
var tableStyle = new GC.Spread.Sheets.Tables.TableTheme();
tableStyle.name('tableStyle1');
tableStyle.secondRowStripStyle(new GC.Spread.Sheets.Tables.TableStyle({degree: 90, stops: [{position:0, color:"accent 1"},{position:0.1, color:"white"},{position:0.7, color:"white"},{position:1, color:"accent 6"},]}, 'black', '10px arial', border, border, border, border, border, border))
tableStyle.firstRowStripStyle(new GC.Spread.Sheets.Tables.TableStyle({degree: 90, stops: [{position:0, color:"accent 6"},{position:0.1, color:"white"},{position:0.7, color:"white"},{position:1, color:"accent 1"},]}, 'black', '10px arial', border, border, border, border, border, border))
sheet.tables.findByName('cT').style(tableStyle);
spread.resumePaint();
// Here add the event.
document.getElementById('setGradientButton').onclick = function (e) {
var backColor = {};
backColor.degree = parseInt(document.getElementById('gradientDegree').value, 10);
backColor.stops = JSON.parse(document.getElementById('gradientStops').value);
sheet = spread.getActiveSheet();
var selection = sheet.getSelections()[0];
if (selection) {
sheet.getRange(selection.row, selection.col, selection.rowCount, selection.colCount).backColor(backColor);
}
};
document.getElementById('setPathButton').onclick = function (e) {
var backColor = {type: "path"};
backColor.left = parseFloat(document.getElementById('pathLeft').value);
backColor.right = parseFloat(document.getElementById('pathRight').value);
backColor.top = parseFloat(document.getElementById('pathTop').value);
backColor.bottom = parseFloat(document.getElementById('pathBottom').value);
backColor.stops = JSON.parse(document.getElementById('pathStops').value);
sheet = spread.getActiveSheet();
var selection = sheet.getSelections()[0];
if (selection) {
sheet.getRange(selection.row, selection.col, selection.rowCount, selection.colCount).backColor(backColor);
}
};
document.getElementById('setPatternButton').onclick = function (e) {
var backColor = {};
backColor.type = GC.Spread.Sheets.PatternType[document.getElementById('patternType').value];
backColor.backgroundColor = document.getElementById('bgColor').value;
backColor.patternColor = document.getElementById('patternColor').value;
sheet = spread.getActiveSheet();
var selection = sheet.getSelections()[0];
if (selection) {
sheet.getRange(selection.row, selection.col, selection.rowCount, selection.colCount).backColor(backColor);
}
};
}
function initSheet(sheet) {
var gcns = GC.Spread.Sheets;
var data = [
[, "FY 2019"],
[, "Sales"],
[, "Monthly", "Cumulative"],
["Apr", 188897, 188897],
["May", 208146, 397043],
["Jun", 226196, 623239],
["Jul", 277318, 900557],
["Aug", 263273, 1163830],
["Sep", 259845, 1423675],
["Oct", 241047, 1664722],
["Nov", 256306, 1921028],
["Dec", 195845, 2116873],
["Jan", 204934, 2321808],
["Feb", 257852, 2579660],
["Mar", 227779, 2807439]
];
sheet.setArray(3, 1, data);
sheet.setColumnWidth(2, 110);
sheet.setColumnWidth(3, 110);
sheet.setRowCount(20);
sheet.setColumnCount(9);
sheet.options.gridline.showHorizontalGridline = false;
sheet.options.gridline.showVerticalGridline = false;
sheet.getRange(3, 1, 15, 3).setBorder(
new gcns.LineBorder("black", gcns.LineStyle.medium),
{ all: true });
sheet.addSpan(3, 2, 1, 2);
sheet.addSpan(4, 2, 1, 2);
sheet.getRange(3, 2, 3, 2).hAlign(gcns.HorizontalAlign.center);
var cMapSource = [
{ "Currency": "USD", "Value": 1, "Symbol": "$" },
{ "Currency": "CNY", "Value": 7.02, "Symbol": "¥" },
{ "Currency": "JPY", "Value": 108.8, "Symbol": "¥" },
{ "Currency": "EURO", "Value": 0.91, "Symbol": "€" },
];
sheet.tables.addFromDataSource('cT', 3, 5, cMapSource);
[5, 6, 7].forEach((col) => { sheet.setColumnWidth(col, 80); });
sheet.getCell(1, 2).value("Unit:").hAlign(gcns.HorizontalAlign.right);
var dv1 = gcns.DataValidation.createFormulaListValidator('=cT[[#Data], [Currency]]');
sheet.setDataValidator(1, 3, dv1);
sheet.getCell(1, 3).hAlign(gcns.HorizontalAlign.center).value("USD");
sheet.getRange(6, 2, 12, 2)
.hAlign(gcns.HorizontalAlign.center)
.formatter('=VLOOKUP($D$2,cT[#Data],3,FALSE)&"  "&TEXT(@*VLOOKUP($D$2,cT[#Data],2,FALSE),"###,###")');
}

<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="spreadjs culture" content="ja-jp" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/ja/purejs/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/ja/purejs/node_modules/@mescius/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/ja/purejs/node_modules/@mescius/spread-sheets-resources-ja/dist/gc.spread.sheets.resources.ja.min.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script>
<script src="app.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div class="sample-tutorial">
<div id="ss" class="sample-spreadsheets"></div>
<div class="options-container">
<strong class="sp-demo-HeaderTitle">設定:</strong>
<P style="padding:2px 10px">選択範囲の塗りつぶし効果を設定する:</P>
<fieldset>
<div class="settingsDiv">
<div class="option-row">
<label for="gradientDegree">角度:</label>
<input type="text" id="gradientDegree" value="45">
</div>
<div class="option-row">
<label for="gradientStops">終点:</label>
<textarea id="gradientStops"
rows="4">[{"position":0,"color":"yellow"},{"position":0.5,"color":"white"},{"position":1,"color":"green"}]</textarea>
</div>
<div class="option-row">
<button id="setGradientButton">グラデーションで塗る</button>
</div>
</div>
</fieldset>
<fieldset>
<div class="settingsDiv">
<div class="option-row">
<label for="pathLeft">Left:</label>
<input type="text" id="pathLeft" value="0.5">
</div>
<div class="option-row">
<label for="pathRight">Right:</label>
<input type="text" id="pathRight" value="0.9">
</div>
<div class="option-row">
<label for="pathTop">Top:</label>
<input type="text" id="pathTop" value="0.5">
</div>
<div class="option-row">
<label for="pathBottom">Bottom:</label>
<input type="text" id="pathBottom" value="0.7">
</div>
<div class="option-row">
<label for="pathStops">終点:</label>
<textarea id="pathStops"
rows="4">[{"position":0,"color":"yellow"},{"position":0.5,"color":"white"},{"position":1,"color":"green"}]</textarea>
</div>
<div class="option-row">
<button id="setPathButton">グラデーションパスで塗る</button>
</div>
</div>
</fieldset>
<fieldset>
<div class="settingsDiv">
<div class="option-row">
<label for="patternType">パターンの種類:</label>
<select id="patternType">
<option value="solid">塗りつぶし</option>
<option value="darkGray">75％ 灰色</option>
<option value="mediumGray">50% 灰色</option>
<option value="lightGray">25% 灰色</option>
<option value="gray125">12.5% 灰色</option>
<option value="gray0615">6.25% 灰色</option>
<option value="darkHorizontal">横 縞</option>
<option value="darkVertical">縦 縞</option>
<option value="darkDown">右下がり斜線 縞</option>
<option value="darkUp" selected="selected">左下がり斜線 縞</option>
<option value="darkGrid">左下がり斜線 格子</option>
<option value="darkTrellis">極太線 左下がり斜線 格子</option>
<option value="lightHorizontal">実線 横 縞</option>
<option value="lightVertical">実線 縦 縞</option>
<option value="lightDown">実線 右下がり斜線 縞</option>
<option value="lightUp">実線 左下がり斜線 縞</option>
<option value="lightGrid">実線 横 格子</option>
<option value="lightTrellis">実線 左下がり斜線 格子</option>
</select>
</div>
<div class="option-row">
<label for="bgColor">背景の色:</label>
<input type="text" id="bgColor" value="white">
</div>
<div class="option-row">
<label for="patternColor">パターンの色:</label>
<input type="text" id="patternColor" value="red">
</div>
<div class="option-row">
<button id="setPatternButton">パターンで塗る</button>
</div>
</div>
</fieldset>
</div>
</div></body>
</html>

.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: 1px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.options-container legend {
text-align: center;
}
fieldset {
margin-bottom: 5px;
padding: 2px;
}
.option-row {
font-size: 14px;
padding: 2px;
}
input, textarea, select {
display:block;
width: 100%;
margin: 4px 0;
box-sizing: border-box;
}
label, input, textarea, select {
padding: 1px 6px;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
button {
font-weight: bold;
background-color: #ecf3ff;
border-color: #0b93d5;
width: 100%;
height: 24px;
border-radius: 4px;
border-width: thin;
}