Survey.StylesManager.applyTheme("modern");
//add barrating type into matrix columns (run-time)
Survey.matrixDropdownColumnTypes.barrating = {
properties: ["choices"],
onCellQuestionUpdate: function(cellQuestion, column, question, data) {
Survey.matrixDropdownColumnTypes.dropdown.onCellQuestionUpdate(cellQuestion, column, question, data);
}
};
var json = {
questions: [
{
type: "checkbox",
name: "car",
title: "What cars have you being drived?",
isRequired: true,
colCount: 4,
"choicesOrder": "asc",
choices: [
"Audi",
"BMW",
"Citroen",
"Ford",
"Mercedes-Benz",
"Nissan",
"Peugeot",
"Tesla",
"Toyota",
"Vauxhall",
"Volkswagen"
]
}, {
"type": "matrixdropdown",
"name": "carrating",
isRequired: true,
"visibleIf": "{car.length} > 0",
"title": "Please rate these car(s)?",
"rowsVisibleIf": "{car} contains {item}",
cellType: "barrating",
choices: [1, 2, 3, 4, 5],
"columns": [
{ name: "Style", isRequired: true },
{ name: "Performance", isRequired: true },
{ name: "Comfort", isRequired: true },
{ name: "Quality", isRequired: true },
{ name: "Safety", isRequired: true },
{ name: "Features", isRequired: true }
],
"rows": [
"Audi",
"BMW",
"Citroen",
"Ford",
"Mercedes-Benz",
"Nissan",
"Peugeot",
"Tesla",
"Toyota",
"Vauxhall",
"Volkswagen"
]
}
]
};
;
window.survey = new Survey.Model(json);
survey.onComplete.add(function(result) {
document.querySelector('#surveyResult').textContent =
"Result JSON:\n" + JSON.stringify(result.data, null, 3);
});
$("#surveyElement").Survey({
model: survey
});
<!DOCTYPE html>
<html lang="en">
<head>
<title>Use rowsVisibleIf property to show/hide rows in matrix dropdown question, jQuery Survey Library Example</title>
<meta name="viewport" content="width=device-width" />
<script src="https://unpkg.com/jquery"></script>
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<link href="/DevBuilds/survey-knockout/modern.css" type="text/css" rel="stylesheet" />
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<!-- Themes -->
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<body>
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</body>
</html>
You may use expression properties:
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.