The option GC.Data.ITriggerFormulaOption can be added at the column in the data source schema. These are the properties available:
Name
Description
when
(Required) Indicates when to trigger:onNew: apply the formula on the data createdonNewAndUpdate: apply the formula on the data created or updated.
formula
(Required) Indicates the applied formula.
[fields]
(Optional) Indicates which fields could affect the formula to trigger:* - indicates that all data fieldfield1,field2,field3 - indicates a series of data fieldsthe property could be omitted when be onNew
The sample below shows how to config the triggers:
/*REPLACE_MARKER*/
/*DO NOT DELETE THESE COMMENTS*/
import { Component, NgModule, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { SpreadSheetsModule } from '@mescius/spread-sheets-angular';
import GC from '@mescius/spread-sheets';
import "@mescius/spread-sheets-tablesheet";
import './styles.css';
function updateOrderWithTriggerFormulas(spread) {
var dataManager = spread.dataManager();
var orderTable = dataManager.addTable("orderTable", {
remote: {
read: {
url: "$DEMOROOT$/spread/source/data/orderAmountTrigger.csv"
}
},
schema: {
type: "csv",
columns: {
SKU: {
dataType: "string",
trigger: {
when: "onNewAndUpdate",
formula: "=UPPER(TRIM([@SKU]))", // Format the input SKU text
fields: "SKU" // If the SKU field be inputted, trigger the formula to format the input text
}
},
OrderDate: {
dataType: "date",
trigger: {
when: "onNew", // When an order added, records the order created date
formula: "=TODAY()"
}
},
lastUpdatedTime: {
dataType: "date",
trigger: {
when: "onNewAndUpdate",
formula: "=NOW()",
fields: "*" // When any field be updated or the order be added, records the order updated time
}
},
lastUpdateUser: {
dataType: "string",
trigger: {
when: "onNewAndUpdate",
formula: "=ACTIVEUSER()", // The user could determine how to getting the current updated user by them self
fields: "*" // When any field be updated or the order be added, records the updated user
}
},
OrderPhone: {
dataType: "string",
trigger: {
when: "onNewAndUpdate",
formula: "=IF(ISBLANK([@OrderPhone]),[@customer.Phone],[@OrderPhone])",
fields: "CustomerId,OrderPhone"// Provide the customer phone when the order phone is blank
}
},
Amount: {
dataType: "number",
trigger: {
when: "onNewAndUpdate",
formula: "=LET(amount, [@UnitPrice] * [@Quantity], IF([@Quantity] > 30, amount * 0.8, amount))",
fields: "UnitPrice,Quantity" // When the UnitPrice or Quantity fields updated or the order be added, Amount field will get a calculated result automatically
}
},
CustomerId: {
lookup: {
name: 'customer', columns: [
{ value: "Id", width: 60 },
{ value: "CompanyName", width: 200 },
{ value: "ContactName", width: 140 },
{ value: "ContactTitle", width: 140 }
]
}
},
Quantity: { dataType: "number" },
UnitPrice: { dataType: "number" },
}
}
});
var customerTable = dataManager.addTable("customerTable", {
remote: {
read: {
url: getBaseApiUrl() + "/Customer"
}
}
});
//add relationship between order table, customer table table
dataManager.addRelationship(orderTable, "CustomerId", "customer", customerTable, "Id", "orders");
//init a table sheet
var sheet = spread.addSheetTab(0, "TableSheet1", GC.Spread.Sheets.SheetType.tableSheet);
var myView = orderTable.addView("myView", [
{ value: "Id", width: 60, visible: false },
{ value: "SKU", width: 120 },
{ value: "Quantity", width: 100 },
{ value: "UnitPrice", width: 100 },
{ value: "Amount", width: 100 },
{ value: "CustomerId", caption: 'Customer', width: 120, defaultValue:'ALFKI', visible: false },
{ value: "OrderPhone", caption: 'Order Phone', width: 120 },
{ value: "OrderDate", width: 150, readonly: true, visible: false },
{ value: "lastUpdatedTime", width: 180, readonly: true, visible: false },
{ value: "lastUpdateUser", width: 150, readonly: true, visible: false },
]);
myView.fetch().then(function() {
sheet.setDataView(myView);
});
spread.resumePaint();
}
function addActiveUserFunction() {
function ActiveUserFunction() {
this.name = "ACTIVEUSER";
}
ActiveUserFunction.prototype = new GC.Spread.CalcEngine.Functions.Function("ACTIVEUSER", 0 ,0, { name: "ACTIVEUSER"});
ActiveUserFunction.prototype.evaluate = function () {
let fakeNames = [
"Warner",
"Guerrero",
"Mathis",
"Morton",
"Knight",
"Cox",
"Keller",
"Pena",
"Maxwell",
"Ford",
"Bass",
"Morton",
"Parsons"
];
return fakeNames[Math.floor(Math.random() * fakeNames.length)];
};
GC.Spread.CalcEngine.Functions.defineGlobalCustomFunction("ACTIVEUSER", new ActiveUserFunction());
}
function getBaseApiUrl() {
return window.location.href.match(/http.+spreadjs\/demos\//)[0] + 'server/api';
}
@Component({
selector: 'app-component',
templateUrl: 'src/app.component.html'
})
export class AppComponent {
hostStyle = {
width: '100%',
height: '100%',
overflow: 'hidden',
float: 'left'
};
constructor() {
}
initSpread($event: any) {
let spread = $event.spread;
spread.suspendPaint();
spread.clearSheets();
spread.options.autoFitType = GC.Spread.Sheets.AutoFitType.cellWithHeader;
addActiveUserFunction();
updateOrderWithTriggerFormulas(spread)
spread.resumePaint();
}
}
@NgModule({
imports: [BrowserModule, SpreadSheetsModule],
declarations: [AppComponent],
exports: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
enableProdMode();
// Bootstrap application with hash style navigation and global services.
platformBrowserDynamic().bootstrapModule(AppModule);
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/en/angular/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- Polyfills -->
<script src="$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-spread-sheets>
</div>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: 0;
}
(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-tablesheet': 'npm:@mescius/spread-sheets-tablesheet/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);
