The example of using a custom html widget inside the Matrix, Knockoutjs Survey Library Example

Matrix - Custom cell types

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            Survey.StylesManager.applyTheme("modern");
        

//add file type into matrix columns (run-time)
Survey.matrixDropdownColumnTypes.file = {
    properties: ["showPreview", "imageHeight", "imageWidth"]
};
//add tagbox into matrix columns (run-time)
Survey.matrixDropdownColumnTypes.tagbox = {
    properties: ["choices", "choicesOrder", "choicesByUrl", "otherText"],
    onCellQuestionUpdate: function(cellQuestion, column, question, data) {
        Survey.matrixDropdownColumnTypes.checkbox.onCellQuestionUpdate(cellQuestion, column, question, data);
    }
};

            
                var json = {questions: [
{ type: "matrixdynamic", name: "sendHomework", title: "Please send your homework", addRowText: "Add Subject",
    columns: [{ name: "subjects", cellType:"tagbox", title: "Select a subject(s)", isRequired: true, choices: ["English: American Literature", "English: British and World Literature", "Math: Consumer Math", "Math: Practical Math", "Math: Developmental Algebra", "Math: Continuing Algebra", "Math: Pre-Algebra", "Math: Algebra", "Math: Geometry", "Math: Integrated Mathematics", "Science: Physical Science", "Science: Earth Science", "Science: Biology", "Science: Chemistry", "History: World History", "History: Modern World Studies", "History: U.S. History", "History: Modern U.S. History", "Social Sciences: U.S. Government and Politics", "Social Sciences: U.S. and Global Economics", "World Languages: Spanish", "World Languages: French", "World Languages: German", "World Languages: Latin", "World Languages: Chinese", "World Languages: Japanese"]}, 
        { name: "file", "cellType": "file", title: "Please upload your document"}, 
        {name:"description", cellType: "comment", title: "Please describe your homework"} ],
    rowCount: 1}
]}

;

                window.survey = new Survey.Model(json);
            
        
            survey.onComplete.add(function(sender) {
            document.querySelector('#surveyResult').textContent =
            "Result JSON:\n" + JSON.stringify(sender.data, null, 3);
            });
        
            
                survey.render("surveyElement");
            
;

<!DOCTYPE html>
<html lang="en">
<head>
    <title>The example of using a custom html widget inside the Matrix, Knockoutjs Survey Library Example</title>

<meta name="viewport" content="width=device-width" />
    <script src="https://unpkg.com/jquery"></script>
    <script src="https://unpkg.com/knockout@3.5.1/build/output/knockout-latest.js"></script>
    <script src="/DevBuilds/survey-knockout/survey.ko.min.js"></script>
    <link href="/DevBuilds/survey-core/modern.min.css" type="text/css" rel="stylesheet" />
    <link rel="stylesheet" href="./index.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.4/js/select2.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.4/css/select2.min.css" rel="stylesheet" />
    <script src="/DevBuilds/surveyjs-widgets/surveyjs-widgets.min.js"></script>

</head>
<body>
    
            <div id="surveyElement" style="display:inline-block;width:100%;">
            </div>
    <div id="surveyResult"></div>

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

</body>
</html>

You may add/remove cell types for matrix dropdown/dynamic by using Survey.matrixDropdownColumnTypes variable.

//delete comment cell type
delete Survey.matrixDropdownColumnTypes.comment

//add file cell type and it's properties. 
//These properties will be added into column and they will be copied from column into question on cell question creating
Survey.matrixDropdownColumnTypes.file = {
    properties: ["showPreview", "imageHeight", "imageWidth"]
};

Matrix - Custom cell types

The example of using a custom html widget inside the Matrix

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