jeena/essayist
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Spinner shown while preview is being constructed

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This commit is contained in:
moandji.ezana 2012-11-14 09:08:04 +02:00
parent 15aeef411c
commit 13527ece05
1 changed files with 15 additions and 18 deletions
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33
src/main/webapp/assets/essayist.js
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@ -50,21 +50,6 @@ function initNavigation() {
var reactionsContainer = container.querySelector('[data-essay="reactions"]');
fetchReactions(reactionsContainer);
// if (reactionsContainer.dataset.essayLoaded === "false") {
// var spinner = new Spinner().spin(container.querySelector('[data-essay="reactionsSpinner"]'));
// var xhr = new XMLHttpRequest();
// xhr.onreadystatechange = function () {
// if (xhr.readyState === 4) {
// spinner.stop();
// reactionsContainer.innerHTML = xhr.responseText;
// reactionsContainer.dataset.essayLoaded = "true";
// }
// };
// xhr.open("GET", E.contextPath + "/" + container.dataset.essayAuthor + "/essay/" + container.dataset.essayId + "/reactions", true);
// xhr.setRequestHeader("Accept", "text/html");
// xhr.setRequestHeader("X-Essayist-Partial", "true");
// xhr.send();
// }
history.pushState({ essayId: event.currentTarget.dataset.essayId, essayAuthor: event.currentTarget.dataset.essayAuthor, scrollPosition: scrollPosition }, "essay title", event.target.href);
@ -91,20 +76,31 @@ function initNavigation() {
function initPreview() {
var trigger = document.querySelector("#newEssayPreviewTrigger");
if (trigger === null) {
return;
}
trigger.style.display = "inline";
var spinner = new Spinner();
var spinning = false;
var preview = document.querySelector("#preview");
var body = document.querySelector("textarea[name='body']");
var startSpinner = function () {
if (!spinning) {
spinner.spin(preview);
spinning = true;
}
};
var updatePreview = function () {
spinner.spin(preview);
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
document.querySelector("#preview").innerHTML = xhr.responseText;
spinner.stop();
spinning = false;
preview.innerHTML = xhr.responseText;
}
};
xhr.open("POST", E.contextPath + "/preview", true);
@ -115,6 +111,7 @@ function initPreview() {
trigger.addEventListener("click", updatePreview, false);
body.addEventListener("keyup", _.debounce(updatePreview, 2000), false);
body.addEventListener("keyup", startSpinner, false);
}
function initReactions() {