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Show all the large photos on a listing
当前为
// ==UserScript==
// @name TradeMe Show All The Photos (Tampermonkey only)
// @namespace http://drsr/
// @version 0.9.3
// @run-at document-idle
// @description Show all the large photos on a listing
// @include /https:\/\/www\.trademe\.co\.nz\/.*\/[Ll]isting.*/
// @include /https:\/\/www\.trademe\.co\.nz\/.*\/auction-.*/
// @include /https:\/\/www\.trademe\.co\.nz\/a\.aspx.*/
// @include /https:\/\/www\.trademe\.co\.nz\/[0-9]*/
// @grant GM_addStyle
// @grant GM_getResourceURL
// @copyright public domain
// @require http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js
// @require http://cdnjs.cloudflare.com/ajax/libs/jquery.lazyload/1.9.1/jquery.lazyload.min.js
// @require http://greasyfork.icu/scripts/2723-bpopup/code/bPopup.js?version=7539
// ==/UserScript==
// v0.9.3: support for new tg and gallery formats
// v0.9.2: rough support for a new lightbox format found in realestate
// v0.9: https
// v0.8: update for new listing format
// v0.7: external bPopup to comply with greasyfork rules
// v0.6: fix for new large image URLs, don't show link when there's only one photo
// v0.5: when browser window is resized or maximized, recentre and adjust number of columns
// v0.4: tweak layout, Greasemonkey 1.0
// v0.3: minor tidyup
// v0.2: compact and recenter image grid when images are smaller than max size
// TODO:
// lazy load order is strange, image#1 gets loaded last?
// replace trademe's JS error handler
window.onerror=function(msg, url, linenumber){
console.log('Error message: '+msg+'\nURL: '+url+'\nLine Number: '+linenumber);
return true;
};
// make sure the JQuery is the one loaded by the @require
var myJQ = jQuery.noConflict();
var initialised = false;
var initialHeight = 0;
var saveTop = 0;
var resizeTimer = null;
var fullImageUrls = []
var TG_THUMB_SELECTOR = ".tm-marketplace-listing-photos__thumbnail-slider-item,.tm-listing-photos__thumbnail-slider-item";
function init() {
if (initialised) {
return;
}
initialHeight = myJQ(document).height();
GM_addStyle("\
.tmsatp_hide {\
position: absolute;\
top: -9999px;\
left: -9999px;\
background-color: #000000;\
}\
.tmsatp_closebutton {\
border-radius: 12px 12px 12px 12px;\
box-shadow: none;\
font: 20px sans-serif;\
padding: 0 20px 4px;\
position: absolute;\
right: -10px;\
top: -6px;\
color: white;\
background-color: #7A0000;\
cursor: pointer;\
display: inline-block;\
text-align: center;\
text-decoration: none;\
}\
.tmsatp_closebutton:hover {\
background-color: #9A0000;\
}\
.tmsatp_imgcell {\
text-align:center;\
vertical-align:middle;\
padding: 0;\
border: 4px solid black;\
}\
.tmsatp_largerCell {\
width:800px;\
min-width:800px;\
height:600px;\
min-height:600px;\
}\
.tmsatp_smallerCell {\
width:669px;\
min-width:669px;\
height:502px;\
min-height:502px;\
}\
.tmsatp_table {\
border-width: 0;\
border-spacing: 0;\
border-collapse: collapse;\
}\
.tmsatp_lazy {\
margin:0;\
padding:0;\
}\
#tmsatp_spacer {\
height: 20px;\
clear: both;\
background: #494949\
");
myJQ("#showallthephotos").after(
'<div id="allthephotosctr" class="tmsatp_hide">\
<span class="tmsatp_closebutton" title="Close">x</span>\
<div id="allthephotos"/>\
</div>');
myJQ("#allthephotosctr")
.append('<div id="tmsatp_spacer"/>');
initialised = true;
}
var IMAGE_WIDTH_PADDING = 4;
var IMAGE_HEIGHT_PADDING = 4;
var SCROLLER_TOP_MARGIN = 20;
var SCROLLER_LEFT_MARGIN = 20;
// max image dimensions for the current category, images may be (much) smaller
function imageDimensions() {
// TODO doesn't work with new #thumbs container because it doesn't have the data-photo-max-size attribute on the li
if (myJQ(".tm-marketplace-listing-photos__thumbnail-slider-item")) {
// todo scrape o-aspect-ratio?
return {width:640, height:480, cellClass:"tmsatp_imgcell"};
} else if (myJQ("#Photobox_OtherPhotos")) {
// new format, calculate max of data-photo-max-size width and height
var maxWidth = 1;
var maxHeight = 1;
myJQ("#Photobox_thumbs li").each(function(index, value) {
var photoMaxSize = myJQ(value).attr("data-photo-max-size");
if (photoMaxSize) {
var photoWidth = 0+photoMaxSize.split(",")[0];
var photoHeight = 0+photoMaxSize.split(",")[1];
maxWidth = Math.max(maxWidth, photoWidth);
maxHeight = Math.max(maxHeight, photoHeight);
}
});
return {width:maxWidth, height:maxHeight, cellClass:"tmsatp_largerCell"};
} else {
// old format, always assume 800x600 max
return {width:800, height:600, cellClass:"tmsatp_largerCell"};
}
}
// calculate URL for large image from thumbnail <img>
function imageLargeUrl(img) {
var retUrl;
// try new photobox format first, parent LI has a data-photo-id attribute
var imageId = myJQ(img).parent().attr("data-photo-id");
if (imageId) {
// TODO the "plus" image still appears to exist even if there is no zoom box, any exceptions?
retUrl = myJQ("#Photobox_PhotoserverPlusUrlString,#PhotoserverPlusUrlString").attr("value") + imageId + ".jpg";
} else {
// old format
// thumbnail link has class "lbt_nnnnn"
imageId = myJQ(img).parent().attr("class").substring(4);
// TODO is "photoStartIdNewDir" still used in the old-format listings?
// This is what TM does in their own script, comparing the current image ID to the ID where they started storing the images in a new path.
var isNewImage = (unsafeWindow.photoStartIdNewDir ? unsafeWindow.photoStartIdNewDir > imageId : false);
if (isNewImage) {
retUrl = img.src.replace("/thumb", "").replace(".jpg", "_full.jpg");
} else {
retUrl = img.src.replace("/thumb", "/full");
}
}
console.log(retUrl);
return retUrl;
}
// Scrape images from Tangram Carousel https://tangram.nz/product/carousel into fullImageUrls
function genImagesFromTgThumb() {
fullImageUrls = []
var allThumbs = myJQ(TG_THUMB_SELECTOR +" tg-aspect-ratio")
if (allThumbs) {
allThumbs.each(function(index, value) {
var imageUrl = myJQ(value).css("background-image").replace("/thumb/", "/full/").replace("url(\"","").replace("\")","");
console.log("imageUrl=" + imageUrl);
fullImageUrls.push(imageUrl);
});
}
console.log(fullImageUrls);
}
// scrape images from lightbox/photobox on old-style listings into fullImageUrls
function genImagesFromLightbox() {
fullImageUrls = []
// Get all the lightbox thumbs
var allImages = myJQ(".lbThumb img,#Photobox_thumbs img,#thumbs img");
if (allImages) {
allImages.each(function(index,value) {
var imageUrl = imageLargeUrl(value);
console.log("img imageUrl=" + imageUrl);
fullImageUrls.push(imageUrl);
});
}
}
// scrape images from realestate gallery into fullImageUrls
function genImagesFromGallery() {
fullImageUrls = []
var allImages = myJQ(".tm-gallery-view__thumbnail");
if (allImages) {
allImages.each(function(index,value) {
var imageUrl = value.src.replace("64x64m","plus");
console.log("img imageUrl=" + imageUrl);
fullImageUrls.push(imageUrl);
});
}
}
function renderImages() {
var imageCount = fullImageUrls.length;
var dimensions = imageDimensions();
var padded = {width: dimensions.width + IMAGE_WIDTH_PADDING, height: dimensions.height + IMAGE_HEIGHT_PADDING};
var jqWindow = myJQ(window);
// TODO if the images are > 800 wide as can happen with the new format, get horizontal scrolling, is this necessarily a bad thing?
var columns = ((jqWindow.width() > (padded.width*2 + SCROLLER_LEFT_MARGIN)) && imageCount > 2) ? 2 : 1;
var grey_pixel = "data:image/gif;base64,R0lGODlhAQABAIAAAMLCwgAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==";
// use a table for easy centering
var imgTable = myJQ('<table class="tmsatp_table"/>');
var i = 0;
while (i<imageCount) {
var row = myJQ("<tr/>");
for (var col=0; col < columns; col++) {
if (i >= imageCount) break;
var td;
// if last image is odd-numbered, span both columns in the last row
if (columns === 2 && i===(imageCount-1) && (i%2===0)) {
td = myJQ('<td/>', {class: "tmsatp_imgcell", colspan:"2"});
} else {
td = myJQ('<td/>', {class: "tmsatp_imgcell " + dimensions.cellClass});
}
td.append(myJQ("<img />",
{class: "tmsatp_lazy",
src: grey_pixel,
// fixed size because we don't know image dimensions yet, see lazyLoadDone
width: dimensions.width,
height: dimensions.height,
"data-original": fullImageUrls[i],
title: "Photo " + (i+1) + " of " + imageCount
}));
row.append(td);
i++;
}
row.appendTo(imgTable);
}
myJQ("#allthephotos").empty().append(imgTable);
}
function lazyLoadDone(elements_left, settings) {
// use real image size once the real image is loaded
myJQ(this).removeAttr("width").removeAttr("height").removeAttr("style");
// remove the min-width and height from the cell so the cell will fit the image
myJQ(this).parent().removeClass(imageDimensions().cellClass);
// changing image sizes may have de-centered the table, recentre it after re-layout
if (elements_left ===0) {
window.setTimeout(recentre, 200);
}
}
function addSpacer() {
// Show the spacer at the bottom if the scroller height is greater than the document height,
// so the last photo isn't stuck on the bottom of the window.
var scrollerHeight = myJQ("#allthephotosctr").height();
if (scrollerHeight > initialHeight) {
myJQ("#tmsatp_spacer").show();
} else {
myJQ("#tmsatp_spacer").hide();
}
}
function centeredPosition() {
var $window = myJQ(window);
return {
// center vertically in viewport
top: Math.max(SCROLLER_TOP_MARGIN,($window.height() - myJQ("#allthephotosctr").height()) / 2) + saveTop,
left: Math.max(SCROLLER_LEFT_MARGIN, ($window.width() - myJQ("#allthephotosctr").width()) / 2)
};
}
function recentre() {
var pos = centeredPosition();
myJQ("#allthephotosctr").animate({top: "" + pos.top +"px", left: "" + pos.left + "px"});
}
function startLoading() {
myJQ("img.tmsatp_lazy").lazyload({effect : "fadeIn", container: myJQ("#allthephotos"), load: lazyLoadDone});
}
function genImages() {
if (myJQ(TG_THUMB_SELECTOR).length > 0) {
genImagesFromTgThumb();
} else if (myJQ(".tm-gallery-thumbnail-slider__item").length > 0) {
genImagesFromGallery();
} else {
genImagesFromLightbox();
}
}
function relayout() {
genImages();
renderImages();
addSpacer();
recentre();
startLoading();
}
function showAllThePhotos() {
init();
saveTop = myJQ(window).scrollTop();
genImages();
renderImages();
addSpacer();
var pos = centeredPosition();
myJQ("#allthephotosctr").bPopup({
follow: [false, false],
position: [pos.left,pos.top],
closeClass: "tmsatp_closebutton",
onClose: function() {
if (resizeTimer) clearTimeout(resizeTimer);
myJQ(window).scrollTop(saveTop);
}
});
startLoading();
// handle resize, with timer to limit repeated calls while resizing
myJQ(window).resize(function() {
if (resizeTimer) clearTimeout(resizeTimer);
resizeTimer = setTimeout(relayout, 100);
});
}
function addMainLink() {
if(myJQ("#showallthephotos").length == 0) {
myJQ("#viewFullSize,#pager,#OtherPhotosContainer,.tm-marketplace-buyer-options__commerce-box,.tm-motors-buyer-options__commerce-box,.tm-gallery-view__carousel--premium,.tm-propert-gallery-view__carousel-container").after(myJQ("<a />",
{id: "showallthephotos",
href: "javascript:void(0)",
title: "View all the full size photos (Tampermonkey script)",
text: "View all photos",
click: showAllThePhotos}))
.after("<br />");
}
}
// Only show "all photos" link if there's more than 1 photo (2nd path is for new photobox format, 3rd is for realestate, 4th is for tg photobox)
if (myJQ(".lbThumb img,#Photobox_thumbs li,#thumbs li,.tm-gallery-thumbnail-slider__item," + TG_THUMB_SELECTOR).length > 1) {
console.log("tmsatp found photobox with more than one photo");
// on a timer because TM repaint clears it
window.setInterval(addMainLink, 500);
} else {
console.log("tmsatp no photobox or only one photo");
}