videopdf/static/videoOverlay.js

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JavaScript
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window.addEventListener('message', function(event) {
if(event.origin != 'null' && event.data) {
var data = JSON.parse(event.data);
if(data.event == 'close') {
var e = document.getElementById(data.id);
Array.prototype.forEach.call(e.parentElement.getElementsByClassName('button'), function(e) {
e.style.display = 'block';
});
e.parentElement.removeChild(e);
}
}
});
function getEmbedUrl(id, videoUrl) {
return '';
}
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function getVideoOverlay(page) {
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return (editable || videoOverlay[page]) ? {
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beginLayout: function() {
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this.counter = 0;
//console.log('lets beging');
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},
endLayout: function() {
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//console.log('lets end it here');
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},
appendImage: function(image) {
this.counter++;
var id = this.counter;
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if (editable || videoOverlay[page][id]) {
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var div = document.createElement('div');
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div.style.left = image.left + 'px';
div.style.top = image.top + 'px';
div.style.width = image.width + 'px';
div.style.height = image.height + 'px';
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if (videoOverlay[page] && videoOverlay[page][id]) {
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div.className = 'interface video';
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div.title = 'Click to play video';
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div.onclick = function(event) {
event.preventDefault();
event.stopPropagation();
var iframe = document.createElement('iframe');
iframe.width = '100%';
iframe.height = '100%';
iframe.frameborder = 0;
iframe.id = 'video' + page + id;
iframe.src = getEmbedUrl(iframe.id, videoOverlay[page][id]);
div.appendChild(iframe);
Array.prototype.forEach.call(div.getElementsByClassName('button'), function(e) {
e.style.display = 'none';
});
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return false;
};
var img = document.createElement('img');
img.className = 'button playButton';
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img.src = 'data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyNTYiIGhlaWdodD0iMjU2Ij48cG9seWdvbiBwb2ludHM9IjU2LDMyIDI0OCwxMjggNTYsMjI0IiBmaWxsPSIjRkZGRkZGIi8+PC9zdmc+PCEtLXsiY29sb3IiOiJ2aWRlbyIsIm5hbWUiOiJzeW1ib2xQbGF5IiwidGhlbWUiOiJveGRhcmsifS0tPg==';
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div.appendChild(img);
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} else {
div.className = 'interface';
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}
if (editable) {
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var img = document.createElement('img');
img.className = 'button editButton';
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img.src = 'data:image/svg+xml;base64,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';
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img.title = videoOverlay[page] && videoOverlay[page][id]
? 'Click to edit or remove video' : 'Click to add video';
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img.onclick = function(event) {
event.preventDefault();
event.stopPropagation();
if(!videoOverlay[page]) {
videoOverlay[page] = {}
}
if(! videoOverlay[page][id]) {
videoOverlay[page][id] = '';
}
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console.log('EDIT');
var message = 'Please enter a pan.do/ra video URL, like\nhttp://pad.ma/A/editor/00:00:00,00:01:00,00:02:00';
var url = prompt(message, videoOverlay[page][id]);
if (url !== null) {
videoOverlay[page][id] = url;
saveVideoOverlay();
}
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return false;
}
div.appendChild(img);
}
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this.div.appendChild(div);
}
}
} : null;
}
function saveVideoOverlay() {
var request = new XMLHttpRequest(),
id = document.location.pathname.substring(1),
formData = new FormData();
request.addEventListener('load', function (evt) {
console.log(evt);
});
formData.append('data', JSON.stringify({
'id': id,
'overlay': videoOverlay
}));
request.open('POST', '/save');
request.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
request.send(formData);
function getCookie(name) {
var cookieValue = null;
if (document.cookie && document.cookie != '') {
var cookies = document.cookie.split(';');
for (var i = 0; i < cookies.length; i++) {
var cookie = cookies[i].trim();
// Does this cookie string begin with the name we want?
if (cookie.substring(0, name.length + 1) == (name + '=')) {
cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
break;
}
}
}
return cookieValue;
}
}