// ==UserScript==
// @name Download pictures from telegraph
// @name:zh-CN 下载Telegraph页面图片
// @version 0.5.4
// @description Download pictures from telegra.ph
// @description:zh-CN 下载“telegra.ph”页面上的图片
// @author OWENDSWANG
// @match https://telegra.ph/*
// @exclude https://telegra.ph/
// @icon https://avatars.githubusercontent.com/u/9076865?s=40&v=4
// @license MIT
// @homepage https://greasyfork.org/zh-CN/scripts/422130-download-pictures-from-telegraph
// @supportURL https://github.com/owendswang/Download-Pictures-from-Telegraph
// @run-at document-end
// @grant GM_download
// @grant GM_setClipboard
// @namespace https://www.owendswang.com/
// ==/UserScript==
(function() {
'use strict';
var tlEditor = document.getElementById('_tl_editor');
var pageTitle = document.getElementsByTagName('h1')[0];
// 'download' button
function download(imgSrcList) {
var i = 1;
var padLength = imgSrcList.length.toString().length;
var title = pageTitle.textContent.replace('[Click to copy this title]', '').replace('[Copied]', '');
imgSrcList.forEach(function(src) {
// var fileName = src.split('/')[src.split('/').length - 1];
// fileName = fileName.split('?')[0];
var ext = src.split('.')[src.split('.').length - 1];
var fileName = title + ' (' + i.toString().padStart(padLength, '0') + ').' + ext;
fileName = fileName.replace(/[<>|\|*|"|\/|\|:|?]/g, '_');
GM_download(src, fileName);
i += 1;
})
}
// header 'download' button
var headerButton = document.createElement('button');
var figureList = document.getElementsByTagName('figure');
headerButton.innerHTML = '<b>Download</b> (' + figureList.length.toString() + ' images in total)';
headerButton.style.marginLeft = '10px';
headerButton.style.paddingLeft = '15px';
headerButton.style.paddingRight = '15px';
headerButton.style.backgroundColor = 'rgba(0,0,0,0)';
headerButton.style.border = '2px solid rgba(0,0,0,0.5)';
headerButton.style.borderRadius = '5px';
headerButton.type = 'button';
headerButton.addEventListener('mouseover', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.1)';
});
headerButton.addEventListener('mouseout', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0)';
});
headerButton.onclick = function() {
var imgSrcList = [];
for (var i = 0; i < figureList.length; i++) {
var img = figureList[i].getElementsByTagName('img')[0];
var src = img.getAttribute('src');
imgSrcList.push(src);
}
download(imgSrcList);
};
var addressList = document.getElementsByTagName('address');
addressList[0].appendChild(headerButton);
// bottom 'download' button
var divButtonBottom = document.createElement('div');
divButtonBottom.style.display = 'flex';
divButtonBottom.style.justifyContent = 'center';
var buttonBottom = document.createElement('button');
buttonBottom.innerHTML = '<b>Download</b> (' + figureList.length.toString() + ' images in total)';
buttonBottom.style.margin = '10px';
buttonBottom.style.paddingTop = '10px';
buttonBottom.style.paddingBottom = '10px';
buttonBottom.style.paddingLeft = '20px';
buttonBottom.style.paddingRight = '20px';
buttonBottom.style.backgroundColor = 'rgba(0,0,0,0)';
buttonBottom.style.border = '2px solid rgba(0,0,0,0.5)';
buttonBottom.style.borderRadius = '5px';
buttonBottom.type = 'button';
buttonBottom.addEventListener('mouseover', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.1)';
});
buttonBottom.addEventListener('mouseout', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0)';
});
buttonBottom.onclick = function() {
var imgSrcList = [];
for (var i = 0; i < figureList.length; i++) {
var img = figureList[i].getElementsByTagName('img')[0];
var src = img.getAttribute('src');
imgSrcList.push(src);
}
download(imgSrcList);
};
divButtonBottom.appendChild(buttonBottom);
tlEditor.appendChild(divButtonBottom);
// 'to top' button
var toTopBtn = document.createElement('button');
toTopBtn.id = 'to_top_btn';
toTopBtn.textContent = '▲';
toTopBtn.style.fontSize = '2rem';
toTopBtn.style.position = 'fixed';
toTopBtn.style.bottom = '2rem';
toTopBtn.style.textAlign = 'center';
toTopBtn.style.width = '4rem';
toTopBtn.style.height = '4rem';
toTopBtn.style.lineHeight = '3rem';
toTopBtn.style.opacity = '0';
toTopBtn.style.padding = '0';
toTopBtn.style.borderWidth = '2px';
toTopBtn.style.borderStyle = 'solid';
toTopBtn.style.borderColor = 'gray';
toTopBtn.style.borderRadius = '5px';
toTopBtn.style.transition = 'opacity 1s';
toTopBtn.style.backgroundColor = 'rgba(0, 0, 0, 0.1)';
toTopBtn.addEventListener('mouseover', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.2)';
});
toTopBtn.addEventListener('mouseout', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.1)';
});
toTopBtn.addEventListener('mousedown', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.3)';
});
toTopBtn.addEventListener('mouseup', function(event) {
this.style.backgroundColor = 'rgba(0,0,0,0.2)';
});
function setToTopBtnXPos() {
var left = (document.body.clientWidth + tlEditor.offsetWidth) / 2;
var remPx = parseInt(getComputedStyle(document.documentElement).fontSize);
if (left + toTopBtn.offsetWidth + 2 * remPx < document.body.clientWidth) {
toTopBtn.style.removeProperty('right');
toTopBtn.style.left = left.toString() + 'px';
} else {
toTopBtn.style.removeProperty('left');
toTopBtn.style.right = '2rem';
}
}
window.onresize = setToTopBtnXPos;
setToTopBtnXPos();
window.onscroll = function() {
if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
toTopBtn.style.opacity = '1';
} else {
toTopBtn.style.opacity = '0';
}
};
function topFunction() {
window.scrollTo({ top: 0, behavior: 'smooth' });
}
toTopBtn.onclick = topFunction;
var style4toTopBtn = document.createElement('style');
style4toTopBtn.textContent = '\
@media only screen and (max-width: 732px) {\
button#to_top_btn {\
display: none;\
}\
';
document.head.appendChild(style4toTopBtn);
tlEditor.appendChild(toTopBtn);
// 'copy title' button
var copyTip = document.createElement('small');
copyTip.textContent = '[Click to copy this title]';
copyTip.style.backgroundColor = 'lightgray';
copyTip.style.position = 'absolute';
copyTip.style.right = '0px';
copyTip.style.bottom = '0px';
copyTip.style.fontSize = '1rem';
copyTip.style.fontWeight = 'normal';
copyTip.style.color = 'gray';
copyTip.style.lineHeight = '1rem';
copyTip.style.padding = '0.1rem';
pageTitle.title = 'Click to copy this title'
pageTitle.style.position = 'relative';
pageTitle.addEventListener('mouseover', function(event) {
this.style.backgroundColor = 'lightgray';
copyTip.style.display = 'block';
if (pageTitle.getElementsByTagName('small').length > 0) {
copyTip.textContent = '[Click to copy this title]';
} else {
pageTitle.appendChild(copyTip);
}
});
pageTitle.addEventListener('mouseout', function(event) {
this.style.backgroundColor = null;
copyTip.style.display = 'none';
});
pageTitle.addEventListener('mousedown', function(event) {
this.style.backgroundColor = 'darkgray';
copyTip.style.backgroundColor = 'darkgray';
});
pageTitle.addEventListener('mouseup', function(event) {
this.style.backgroundColor = 'lightgray';
copyTip.style.backgroundColor = 'lightgray';
});
pageTitle.onclick = function() {
GM_setClipboard(pageTitle.textContent.replace('[Click to copy this title]', '').replace('[Copied]', ''), 'text');
copyTip.textContent = '[Copied]';
};
})();
