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Data Grid

Focused Row

Documentation

This example demonstrates a DataGrid widget that supports focused rows. The focusedRowKey option specifies the focused row. The onFocusedRowChanged callback function can be used to display additional information below the DataGrid when the focused row changes. The focusedRowEnabled option enables row focusing.

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<template> <div> <dx-data-grid id="gridContainer" :ref="dataGridRefName" :data-source="dataSource" :columns="columns" :show-borders="true" :focused-row-enabled="true" :focused-row-key.sync="focusedRowKey" @focused-row-changing="onFocusedRowChanging" @focused-row-changed="onFocusedRowChanged" > <dx-paging :page-size="10"/> </dx-data-grid> <div class="task-info"> <div class="info"> <div id="taskSubject">{{ taskSubject }}</div> <p id="taskDetails" v-html="taskDetails" /> </div> <div class="progress"> <span id="taskStatus">{{ taskStatus }}</span> <span id="taskProgress">{{ taskProgress }}</span> </div> </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Focused row key</span> <dx-number-box id="taskId" :ref="taskIdEditorRefName" :min="1" :max="183" :step="0" :value="focusedRowKey" @value-changed="onTaskIdChanged" /> </div> </div> </div> </template> <script> import 'devextreme/data/odata/store'; import { DxDataGrid, DxPager, DxPaging } from 'devextreme-vue/data-grid'; import DxNumberBox from 'devextreme-vue/number-box'; const dataGridRefName = 'dataGrid'; const taskIdEditorRefName = 'taskIdEditor'; export default { components: { DxDataGrid, DxPager, DxPaging, DxNumberBox }, data() { return { taskIdEditorRefName: taskIdEditorRefName, dataGridRefName: dataGridRefName, taskSubject: '', taskDetails: '', taskStatus: '', taskProgress: '', dataSource: { store: { type: 'odata', key: 'Task_ID', url: 'https://js.devexpress.com/Demos/DevAV/odata/Tasks' }, expand: 'ResponsibleEmployee', select: [ 'Task_ID', 'Task_Subject', 'Task_Start_Date', 'Task_Status', 'Task_Description', 'Task_Completion', 'ResponsibleEmployee/Employee_Full_Name' ] }, focusedRowKey: 117, columns: [ { dataField: 'Task_ID', width: 80 }, { caption: 'Start Date', dataField: 'Task_Start_Date', dataType: 'date' }, { caption: 'Assigned To', dataField: 'ResponsibleEmployee.Employee_Full_Name', cssClass: 'employee', allowSorting: false }, { caption: 'Subject', dataField: 'Task_Subject', width: 350 }, { caption: 'Status', dataField: 'Task_Status' } ], isReady: false }; }, methods: { onFocusedRowChanging(e) { var pageSize = e.component.pageSize(), pageIndex = e.component.pageIndex(), isLoading = e.component.getController('data').isLoading(), key = e.event && e.event.key; if(!isLoading) { if(key && e.prevRowIndex === e.newRowIndex) { if(e.newRowIndex === pageSize - 1) { e.component.pageIndex(pageIndex + 1).done(function() { e.component.option('focusedRowIndex', 0); }); } else if(e.newRowIndex === 0) { e.component.pageIndex(pageIndex - 1).done(function() { e.component.option('focusedRowIndex', pageSize - 1); }); } } } }, onFocusedRowChanged: function(e) { var data = e.row.data; this.taskSubject = data.Task_Subject; this.taskDetails = data.Task_Description; this.taskStatus = data.Task_Status; this.taskProgress = e.row.data.Task_Completion ? `${e.row.data.Task_Completion }%` : ''; this.focusedRowKey = e.component.option('focusedRowKey'); }, onTaskIdChanged(e) { if(e.event && e.value > 0) { this.focusedRowKey = e.value; } } } }; </script>
import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<App/>' });
<!DOCTYPE html> <html> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.1.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.1.3/css/dx.light.css" /> <link rel="stylesheet" type ="text/css" href ="styles.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import('./index.js'); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"/> </div> </body> </html>
.task-info { font-family: Segoe UI; min-height: 200px; display: flex; flex-wrap: nowrap; border: 2px solid rgba(0, 0, 0, 0.1); padding: 16px; box-sizing: border-box; align-items: baseline; justify-content: space-between; } #taskSubject { line-height: 29px; font-size: 18px; font-weight: bold; } #taskDetails { line-height: 22px; font-size: 14px; margin-top: 0; margin-bottom: 0; } .progress { display: flex; flex-direction: column; white-space: pre; min-width: 105px; } .info { margin-right: 40px; } #taskProgress { line-height: 42px; font-size: 40px; font-weight: bold; } .options { margin-top: 20px; padding: 20px; background-color: rgba(191, 191, 191, 0.15); position: relative; } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; } .option > .dx-numberbox { width: 200px; display: inline-block; vertical-align: middle; } .option > span { margin-right: 10px; }
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.5.16/dist/vue.esm.browser.js', 'vue-loader': 'npm:systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.1', 'devextreme-vue': 'npm:devextreme-vue@19.1', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.6/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });