/
sentimentanalysis.js
48 lines (44 loc) · 1.74 KB
/
sentimentanalysis.js
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function displayRanking(object, ranking) {
var svgDoc = object.contentDocument;
var element = svgDoc.getElementById('ranking');
element.textContent = ranking;
}
window.addEventListener("load", function () {
var form = document.getElementById("analyze");
var text = document.getElementById('text');
var results = document.getElementById('results');
var library = document.getElementById('library');
var positivebee = document.getElementById('positivebee');
var negativebee = document.getElementById('negativebee');
var neutralbee = document.getElementById('neutralbee');
form.addEventListener("submit", function (event) {
event.preventDefault();
callAnalyze();
});
function updateBeeRanking(bee, ranking) {
if (bee.contentDocument) {
displayRanking(bee, ranking);
} else {
bee.addEventListener("load",function() {
displayRanking(this, ranking);
}, false);
}
}
function callAnalyze() {
var XHR = new XMLHttpRequest();
var FD = new FormData(form);
XHR.addEventListener("load", function(event) {
var responseJson = JSON.parse(event.target.response);
updateBeeRanking(positivebee, responseJson.ranking.positive);
updateBeeRanking(neutralbee, responseJson.ranking.neutral);
updateBeeRanking(negativebee, responseJson.ranking.negative);
results.style.visibility='visible';
});
XHR.addEventListener("error", function(event) {
alert('Oups! Somehting went wrong.');
});
XHR.open("POST", "/analyze/text");
XHR.send(text.value);
results.style.visibility='hidden';
}
});