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shinyjsBi.js
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shinyjsBi.js
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/*
* This file is for shinyjs code
*
* Author: Kaihua Liu
*
* biclustering plot history
*/
// bicluster history status
shinyjs.statBi = {
now: 0,
all: 0
};
shinyjs.updateBi = function() {
if(shinyjs.statBi.all > 0){
$('#biHistory').append(
$('<div/>')
.attr('class', 'biPiece biPiece' + shinyjs.statBi.all)
//.append('<p>all:' + shinyjs.statSeg.all)
//.append('<p>now:' + shinyjs.statSeg.now)
.append($('#bipars table'))
.append($('#biGraph #biDensity img'))
.append($('#biGraph #biDygraphAll'))
);
}
++shinyjs.statBi.all;
$('#biLatest').attr('class', 'biPiece biPiece' + shinyjs.statBi.all)
shinyjs.statBi.now = shinyjs.statBi.all;
shinyjs.showBi(shinyjs.statBi.now)
}
shinyjs.prevBi = function() {
// panel 0 contains nothing
if(shinyjs.statBi.now > 1){
shinyjs.statBi.now -= 1
}
shinyjs.showBi(shinyjs.statBi.now)
}
shinyjs.nextBi = function() {
if(shinyjs.statBi.now < shinyjs.statBi.all) {
shinyjs.statBi.now += 1
}
shinyjs.showBi(shinyjs.statBi.now)
}
shinyjs.showBi = function(i) {
$('.biPiece').hide()
$('.biPiece' + i).show()
// check status and disable/re-enable two buttons
if(shinyjs.statBi.all < 2){
// less than 2 plots no need to use buttons
shinyjs.disable('biPrev')
shinyjs.disable('biNext')
}
else{
if(i == shinyjs.statBi.all){
shinyjs.enable('biPrev')
shinyjs.disable('biNext')
}
else if(i == 1){
shinyjs.disable('biPrev')
shinyjs.enable('biNext')
}
else{
shinyjs.enable('biPrev')
shinyjs.enable('biNext')
}
}
}
// dependencies: html2canvas.js
shinyjs.saveBi = function(){
target = $('#biHistory')
if(!target.length){
return false;
}
time = new Date();
html2canvas(target, {
onrendered: function(canvas) {
// document.body.appendChild(canvas);
// var data = canvas.toDataURL("image/jpeg");
// var data = canvas.toDataURL("image/png")//.replace("image/png", "image/octet-stream");
var data = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream");
// window.location.href = data;
var img = document.createElement('img');
img.src = data;
var a = document.createElement('a');
a.setAttribute("download", "bicluster " + time.toString() + ".png");
a.setAttribute("href", data);
a.style.display = "none";
a.appendChild(img);
document.body.appendChild(a);
a.click();
// var img = document.createElement('img')
// img.src = canvas.toDataURL()
// document.body.appendChild(img);
// shinyjs.pngBi = img
// window.open(canvas.toDataURL());
// download(data, "bicluster " + time.toString() + ".png", "image/png");
},
width: target.width(),
height: target.height()
});
}
$(document).ready(function () {
var content = '<p>A screenshot will be saved to your disk folder.</p>'
if(!!window.devicePixelRatio
&& window.devicePixelRatio > 1
){
// it is Retina screen
content += "<p>Screenshots of higher quality are avaiable via screenshot shortcut <code>Mac: Command-Shift-4</code> since you are using a high pixel ratio screen.</p>"
}
setTimeout(function () {
shinyBS.addTooltip('biSave', 'popover', {
'placement': 'top',
'trigger': 'hover',
'title': 'Save plots',
'content': content
})
}, 500)
});