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*/
<template>
<div class="sample-tutorial">
<gc-spread-sheets class="sample-spreadsheets" @workbookInitialized="initSpread">
</gc-spread-sheets>
</div>
</template>
<script>
import Vue from "vue";
import "@mescius/spread-sheets-vue";
import GC from "@mescius/spread-sheets";
import "@mescius/spread-sheets-tablesheet";
import "./styles.css";
let App = Vue.extend({
name: "app",
methods: {
initSpread: function (spread) {
spread.suspendPaint();
spread.clearSheets();
spread.options.autoFitType = GC.Spread.Sheets.AutoFitType.cellWithHeader;
this.addActiveUserFunction();
this.updateOrderWithTriggerFormulas(spread);
spread.resumePaint();
},
updateOrderWithTriggerFormulas: function (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();
},
addActiveUserFunction: function () {
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';
}
new Vue({
render: (h) => h(App),
}).$mount("#app");
</script>
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css" href="$DEMOROOT$/en/vue/node_modules/@mescius/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<!-- SystemJS -->
<script src="$DEMOROOT$/en/vue/node_modules/systemjs/dist/system.src.js"></script>
<script src="systemjs.config.js"></script>
<script>
System.import('./src/app.vue');
System.import('$DEMOROOT$/en/lib/vue/license.js');
</script>
</head>
<body>
<div id="app"></div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: 100%;
height: 100%;
overflow: hidden;
float: left;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: 0;
}
(function (global) {
System.config({
transpiler: 'plugin-babel',
babelOptions: {
es2015: true
},
meta: {
'*.css': { loader: 'css' },
'*.vue': { loader: 'vue-loader' }
},
paths: {
// paths serve as alias
'npm:': 'node_modules/'
},
// map tells the System loader where to look for things
map: {
'@mescius/spread-sheets': 'npm:@mescius/spread-sheets/index.js',
'@mescius/spread-sheets-tablesheet': 'npm:@mescius/spread-sheets-tablesheet/index.js',
'@mescius/spread-sheets-vue': 'npm:@mescius/spread-sheets-vue/index.js',
'@grapecity/jsob-test-dependency-package/react-components': 'npm:@grapecity/jsob-test-dependency-package/react-components/index.js',
'jszip': 'npm:jszip/dist/jszip.js',
'css': 'npm:systemjs-plugin-css/css.js',
'vue': 'npm:vue/dist/vue.min.js',
'vue-loader': 'npm:systemjs-vue-browser/index.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'
},
// packages tells the System loader how to load when no filename and/or no extension
packages: {
src: {
defaultExtension: 'js'
},
rxjs: {
defaultExtension: 'js'
},
"node_modules": {
defaultExtension: 'js'
}
}
});
})(this);
