You can rewrite the defined context menu style class to apply different styles. For example:
You can customize the menu item's view structure by overwriting the MenuView's createMenuItemElement function:
You can overwrite the MenuView's getCommandOptions function to show the options when the command is executed:
import { Component, NgModule, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { SpreadSheetsModule } from '@mescius/spread-sheets-angular';
import GC from '@mescius/spread-sheets';
import './styles.css';
const spreadNS = GC.Spread.Sheets, SheetArea = spreadNS.SheetArea,
colors = ['rgb(255,255,255)', 'rgb(0,255,255)', 'rgb(255,0,255)', 'rgb(255,255,0)', 'rgb(255,0,0)',
'rgb(0,255,0)', 'rgb(0,0,255)', 'rgb(0,0,0)'];
function createColorpicker () {
let colorPicker = document.createElement('div');
colorPicker.className = 'colorPickerContent';
for (let j = 0; j < 8; j++) {
let colorDom = document.createElement("div");
colorDom.className = 'colorDom';
colorDom.style['backgroundColor'] = colors[j];
colorPicker.appendChild(colorDom);
}
return colorPicker;
}
function isMenuItemExist (menuData, menuItemName) {
let i = 0, count = menuData.length;
for (; i < count; i++) {
if (menuItemName === menuData[i].name) {
return true;
}
}
}
function createInput() {
var inputBlock = document.createElement('input');
inputBlock.className = 'inputBlock';
inputBlock.type = 'text';
inputBlock.value = '1';
inputBlock.setAttribute('gcUIElement', 'gcContextMenu');
inputBlock.style = 'width: 20px';
inputBlock.onclick = function (ev) {
if (ev.target) {
ev.stopPropagation()
}
}
return inputBlock;
}
@Component({
selector: 'app-component',
templateUrl: 'src/app.component.html'
})
export class AppComponent {
spread: GC.Spread.Sheets.Workbook;
hostStyle = {
width: 'calc(100% - 280px)',
height: '100%',
overflow: 'hidden',
float: 'left'
};
constructor () {
}
initSpread ($event: any) {
this.spread = $event.spread;
}
addMoreMenuItems () {
let spread = this.spread;
if (isMenuItemExist(spread.contextMenu.menuData, "selectColorWithBg") || isMenuItemExist(spread.contextMenu.menuData, "insertRows")) {
spread.contextMenu.menuData.forEach(function (item, index) {
if (item && (item.name === "selectColorWithBg" || item.name === "insertRows")) {
spread.contextMenu.menuData.splice(index, 1);
}
});
return;
}
let commandManager = spread.commandManager();
// prepair select with a background color command and menu item
let selectWithABackgroundColor = {
text: "Select Color",
name: "selectColorWithBg",
workArea: "viewport",
subMenu: [
{
name: "selectColorPicker",
command: "selectWithBg"
}
]
};
spread.contextMenu.menuData.push(selectWithABackgroundColor);
let selectWithABackgroundColorCommand = {
canUndo: false,
execute: function (spread, options) {
if (options.commandOptions) {
let style = new GC.Spread.Sheets.Style();
style.name = 'style1';
style.backColor = options.commandOptions;
let sheet = spread.getActiveSheet();
sheet.suspendPaint();
let selections = sheet.getSelections();
let selectionIndex = 0, selectionCount = selections.length;
for (; selectionIndex < selectionCount; selectionIndex++) {
let selection = selections[selectionIndex];
for (let i = selection.row; i < (selection.row + selection.rowCount); i++) {
for (let j = selection.col; j < (selection.col + selection.colCount); j++) {
sheet.setStyle(i, j, style, GC.Spread.Sheets.SheetArea.viewport);
}
}
}
sheet.resumePaint();
}
}
};
commandManager.register("selectWithBg", selectWithABackgroundColorCommand, null, false, false, false, false);
// prepair insert rows by specified row count command and menu item
let insertRows = {
text: "insertRows",
name: "insertRows",
command: "insertRows",
workArea: "rowHeader"
};
spread.contextMenu.menuData.push(insertRows);
let insertRowsCommand = {
canUndo: false,
execute: function (spread, options) {
var rowCount = parseInt(options.commandOptions);
if (!isNaN(rowCount)) {
var sheet = spread.getSheetFromName(options.sheetName);
sheet.suspendPaint();
sheet.addRows(options.activeRow, rowCount);
sheet.resumePaint();
}
}
};
commandManager.register("insertRows", insertRowsCommand, null, false, false, false, false);
// customize context menu
function CustomMenuView () {
}
CustomMenuView.prototype = new GC.Spread.Sheets.ContextMenu.MenuView();
CustomMenuView.prototype.createMenuItemElement = function (menuItemData) {
let self = this;
if (menuItemData.name === "selectColorPicker") {
let containers = GC.Spread.Sheets.ContextMenu.MenuView.prototype.createMenuItemElement.call(self, menuItemData);
let supMenuItemContainer = containers[0];
while (supMenuItemContainer.firstChild) {
supMenuItemContainer.removeChild(supMenuItemContainer.firstChild);
}
let colorPicker = createColorpicker();
supMenuItemContainer.appendChild(colorPicker);
return supMenuItemContainer;
} else if (menuItemData.name === "insertRows") {
var containers = GC.Spread.Sheets.ContextMenu.MenuView.prototype.createMenuItemElement.call(self, menuItemData);
var supMenuItemContainer = containers[0];
supMenuItemContainer.appendChild(createInput());
return supMenuItemContainer;
} else {
let menuItemView = GC.Spread.Sheets.ContextMenu.MenuView.prototype.createMenuItemElement.call(self, menuItemData);
return menuItemView;
}
};
CustomMenuView.prototype.getCommandOptions = function (menuItemData, host, event) {
if (menuItemData && menuItemData.name === "selectColorPicker") {
let ele = event.target || event.srcElement;
return ele.style.backgroundColor;
} else if (menuItemData && menuItemData.name === "insertRows") {
return host.getElementsByClassName("inputBlock")[0].value;
}
};
spread.contextMenu.menuView = new CustomMenuView();
}
}
@NgModule({
imports: [BrowserModule, SpreadSheetsModule, FormsModule],
declarations: [AppComponent],
exports: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule {
}
enableProdMode();
// Bootstrap application with hash style navigation and global services.
platformBrowserDynamic().bootstrapModule(AppModule);
<!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$/en/angular/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<script src="$DEMOROOT$/spread/source/data/data.js" type="text/javascript"></script>
<!-- Polyfills -->
<script src="$DEMOROOT$/en/angular/node_modules/core-js/client/shim.min.js"></script>
<script src="$DEMOROOT$/en/angular/node_modules/zone.js/fesm2015/zone.min.js"></script>
<!-- SystemJS -->
<script src="$DEMOROOT$/en/angular/node_modules/systemjs/dist/system.js"></script>
<script src="systemjs.config.js"></script>
<script>
// workaround to load 'rxjs/operators' from the rxjs bundle
System.import('rxjs').then(function (m) {
System.import('@angular/compiler');
System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators));
System.import('$DEMOROOT$/en/lib/angular/license.ts');
System.import('./src/app.component');
});
</script>
</head>
<body>
<app-component></app-component>
</body>
</html>
<div class="sample-tutorial">
<gc-spread-sheets [hostStyle]="hostStyle" (workbookInitialized)="initSpread($event)">
<gc-worksheet>
</gc-worksheet>
</gc-spread-sheets>
<div class="options-container">
<div class="options-row">
Right click any cell to bring up the context menu.You can easily modify the context menu depending on your needs. Select the option below to add a new context menu item on viewport that will allow the user to change the background color of the cell and a new context menu item on rowHeader that will allow the user to add row count by specified number.
</div>
<div class="options-row">
<input type="checkbox" id="addMoreMenuItems" (change)="addMoreMenuItems()">
<label for="addMoreMenuItems">Add background color menu selection</label>
</div>
</div>
</div>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.options-row {
font-size: 14px;
padding: 5px;
margin-top: 10px;
}
input {
display: inline-block;
}
input[type="text"] {
width: 200px;
}
label {
margin-bottom: 6px;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
.colorPickerContent{
width: 100%;
background-color:white;
}
.colorDom{
width: 14px;
height: 14px;
margin:0 0 0 6px;
display: inline-block;
border: solid 1px #333333;
vertical-align: top;
}
(function (global) {
System.config({
transpiler: 'ts',
typescriptOptions: {
tsconfig: true
},
meta: {
'typescript': {
"exports": "ts"
},
'*.css': { loader: 'css' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'core-js': 'npm:core-js/client/shim.min.js',
'zone': 'npm:zone.js/fesm2015/zone.min.js',
'rxjs': 'npm:rxjs/dist/bundles/rxjs.umd.min.js',
'@angular/core': 'npm:@angular/core/fesm2022',
'@angular/common': 'npm:@angular/common/fesm2022/common.mjs',
'@angular/compiler': 'npm:@angular/compiler/fesm2022/compiler.mjs',
'@angular/platform-browser': 'npm:@angular/platform-browser/fesm2022/platform-browser.mjs',
'@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic/fesm2022/platform-browser-dynamic.mjs',
'@angular/common/http': 'npm:@angular/common/fesm2022/http.mjs',
'@angular/router': 'npm:@angular/router/fesm2022/router.mjs',
'@angular/forms': 'npm:@angular/forms/fesm2022/forms.mjs',
'jszip': 'npm:jszip/dist/jszip.min.js',
'typescript': 'npm:typescript/lib/typescript.js',
'ts': './plugin.js',
'tslib':'npm:tslib/tslib.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',
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-angular': 'npm:@mescius/spread-sheets-angular/fesm2020/mescius-spread-sheets-angular.mjs',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'ts'
},
rxjs: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
},
"node_modules/@angular": {
defaultExtension: 'mjs'
},
"@mescius/spread-sheets-angular": {
defaultExtension: 'mjs'
},
'@angular/core': {
defaultExtension: 'mjs',
main: 'core.mjs'
}
}
});
})(this);
