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Show/Hide columns/rows in matrix question

Use columnsVisibleIf and rowsVisibleIf properties to show/hide columns and rows in matrix question


                        
        
            Survey.StylesManager.applyTheme("orange");
        


            
                var json = {
    questions: [
        {
            type: "checkbox",
            name: "car",
            title: "What cars have you being drived?",
            isRequired: true,
            colCount: 3,
            choices: [
                "Audi",
                "BMW",
                "Citroen",
                "Ford",
                "Mercedes-Benz",
                "Nissan",
                "Peugeot",
                "Tesla",
                "Toyota",
                "Vauxhall",
                "Volkswagen"
            ]
        }, {
            type: "checkbox",
            name: "categories",
            title: "What categories could you rate?",
            isRequired: true,
            colCount: 3,
            choices: [
                "Style",
                "Performance",
                "Comfort",
                "Quality",
                "Safety",
                "Features"
            ]
        }, {
            "type": "matrix",
            "name": "carRating",
            isRequired: true,
            "visibleIf": "{car.length} > 0 and {categories.length} > 0",
            "title": "Please select best car for each category?",
            "rowsVisibleIf": "{categories} contains {item}",
            "columnsVisibleIf": "{car} contains {item}",
            "rows": [
                "Style",
                "Performance",
                "Comfort",
                "Quality",
                "Safety",
                "Features"
            ],
            "columns": [
                "Ford",
                "Vauxhall",
                "Volkswagen",
                "Nissan",
                "Audi",
                "Mercedes-Benz",
                "BMW",
                "Peugeot",
                "Toyota",
                "Citroen",
                "Tesla"
            ]
        }
    ]
};

                window.survey = new Survey.Model(json);
            
        
            survey.onComplete.add(function(result) {
            document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(result.data, null, 3);
            });
        
        
            function onAngularComponentInit() {
            Survey.SurveyNG.render("surveyElement", {
            model: survey 
            });
            }
            var HelloApp =
            ng.core
            .Component({
            selector: 'ng-app',
            template: '<div id="surveyContainer" class="survey-container contentcontainer codecontainer"><div id="surveyElement"></div></div> '})
            .Class({
            constructor: function() {
            },
            ngOnInit: function() {
            onAngularComponentInit();
            }
            });
            document.addEventListener('DOMContentLoaded', function() {
            ng.platformBrowserDynamic.bootstrap(HelloApp);
            });
        

                    
<!DOCTYPE html>
<html lang="en">
<head>
    <title>Use columnsVisibleIf and rowsVisibleIf properties to show/hide columns and rows in matrix question, Angular2 Survey Library Example</title>

<meta name="viewport" content="width=device-width" />
    <script src="https://npmcdn.com/zone.js"></script>
    <script src="https://npmcdn.com/core-js@2.6.5/client/shim.min.js"></script>
    <script src="https://npmcdn.com/rxjs@5.0.0-beta.6/bundles/Rx.umd.js"></script>
    <script src="https://npmcdn.com/@angular/core@2.0.0-rc.5/bundles/core.umd.js"></script>
    <script src="https://npmcdn.com/@angular/common@2.0.0-rc.5/bundles/common.umd.js"></script>
    <script src="https://npmcdn.com/@angular/compiler@2.0.0-rc.5/bundles/compiler.umd.js"></script>
    <script src="https://npmcdn.com/@angular/platform-browser@2.0.0-rc.5/bundles/platform-browser.umd.js"></script>
    <script src="https://npmcdn.com/@angular/platform-browser-dynamic@2.0.0-rc.5/bundles/platform-browser-dynamic.umd.js"></script>
<script src="https://surveyjs.azureedge.net/1.8.4/survey.angular.js"></script>
<link href="https://surveyjs.azureedge.net/1.8.4/survey.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">

</head>
<body>
    
        <ng-app></ng-app>
    <div id="surveyResult"></div>

<script type="text/javascript" src="./index.js"></script>

</body>
</html>

You may use expression properties:

  • choicesVisibleIf in radio group, checkbox and dropdown questions.
  • columnsVisibleIf and rowsVisibleIf in matrix question
  • and rowsVisibleIf in matrix dropdown question
to hide/show choices items, columns and rows in these questions. The expression runs against each choices item. To get the current item value, please use {item} variable in your expression.

The following expression below means: the item is shown if, the same value is checked in the {car} question and it is not selected in the {bestcar} question.

{car} contains {item} and {item}!= {bestcar}

Every ItemValue object has its own visibleIf property. You may override the top level choicesVisibleIf property and define visibleIf expression for an individual choice item.