thedesk/app/js/ui/img.js
2019-06-15 01:32:59 +09:00

284 lines
8.5 KiB
JavaScript

/*イメージビューワー*/
//postのimg.jsとは異なります。
function imgv(id, key, acct_id) {
$("#imgprog").text(0);
$('#imgmodal').hide();
$('#imgmodal').attr('src', '../../img/loading.svg');
var murl = $("#" + id + "-image-" + key).attr("data-url");
var type = $("#" + id + "-image-" + key).attr("data-type");
$("#imagemodal").attr("data-id", id);
$("#imagemodal").attr("data-acct", acct_id);
$(document).ready(function () {
if (type == "image") {
$('#imagemodal').modal('open');
xhr = new XMLHttpRequest;
xhr.open('GET', murl, true);
xhr.addEventListener('progress', function (event) {
if (event.lengthComputable) {
var total = event.total;
var now = event.loaded;
var per = now / total * 100;
$("#imgprog").text(Math.floor(per));
}
}, false);
xhr.addEventListener('loadend', function (event) {
var total = event.total;
var now = event.loaded;
var per = now / total * 100;
$("#imgprog").text(Math.floor(per));
}, false);
xhr.send();
$('#imgmodal').attr('src', murl);
$('#imagewrap').dragScroll(); // ドラッグスクロール設定
$('#imgmodal').show();
$('#imagemodal').attr('data-key', key);
$('#imagemodal').attr('data-id', id);
} else if (type == "video" || type == "gifv") {
$('#video').attr('src', murl);
$('#videomodal').modal('open');
$('#imgmodal').show();
}
var element = new Image();
var width;
element.onload = function () {
var width = element.naturalWidth;
var height = element.naturalHeight;
var windowH = $(window).height();
var windowW = $(window).width();
$("#imagemodal").css("bottom", "0")
$("#imagemodal img").css("width", "auto")
if (height < windowH) {
$("#imagemodal").css("height", height + 60 + "px")
$("#imagemodal img").css("height", "100%")
if (width > windowW * 0.8) {
$("#imagemodal").css("width", "80vw")
$("#imagemodal img").css("width", "100%")
var heightS = windowW * 0.8 / width * height;
$("#imagemodal").css("height", heightS + 60 + "px")
} else {
$("#imagemodal").css("width", width + "px")
}
} else {
$("#imagemodal img").css("width", "auto")
var widthS = windowH / height * width;
if (widthS < windowW) {
$("#imagemodal").css("width", widthS + "px")
} else {
$("#imagemodal").css("width", "100vw")
}
$("#imagemodal").css("height", "100vh")
$("#imagemodal img").css("height", "calc(100vh - 60px)")
}
}
if ($("#" + id + "-image-" + (key * 1 + 1)).length == 0) {
$("#image-next").prop("disabled", true);
} else {
$("#image-next").prop("disabled", false);
}
if ($("#" + id + "-image-" + (key * 1 - 1)).length == 0) {
$("#image-prev").prop("disabled", true);
} else {
$("#image-prev").prop("disabled", false);
}
element.src = murl;
});
}
//イメージビューワーの送り
function imgCont(type) {
$("#imgprog").text(0);
var key = $('#imagemodal').attr('data-key');
var id = $('#imagemodal').attr('data-id');
if (type == "next") {
key++;
} else if (type == "prev") {
key = key * 1 - 1;
}
var murl = $("#" + id + "-image-" + key).attr("data-url");
if (murl) {
$('#imgmodal').attr('src', '../../img/loading.svg');
var type = $("#" + id + "-image-" + key).attr("data-type");
$(document).ready(function () {
if (type == "image") {
xhr = new XMLHttpRequest;
xhr.open('GET', murl, true);
xhr.responseType = "arraybuffer";
xhr.addEventListener('progress', function (event) {
if (event.lengthComputable) {
var total = event.total;
var now = event.loaded;
var per = now / total * 100;
$("#imgprog").text(Math.floor(per));
}
}, false);
xhr.addEventListener('loadend', function (event) {
var total = event.total;
var now = event.loaded;
var per = now / total * 100;
$("#imgprog").text(Math.floor(per));
}, false);
xhr.send();
$('#imgmodal').attr('src', murl);
$('#imagewrap').dragScroll(); // ドラッグスクロール設定
$('#imagemodal').attr('data-key', key);
$('#imagemodal').attr('data-id', id);
} else if (type == "video" || type == "gifv") {
$('#video').attr('src', murl);
$('#videomodal').modal('open');
}
var element = new Image();
var width;
element.onload = function () {
var width = element.naturalWidth;
var height = element.naturalHeight;
var windowH = $(window).height();
var windowW = $(window).width();
$("#imagemodal").css("bottom", "0")
$("#imagemodal img").css("width", "auto")
if (height < windowH) {
$("#imagemodal").css("height", height + 60 + "px")
$("#imagemodal img").css("height", "100%")
if (width > windowW * 0.8) {
$("#imagemodal").css("width", "80vw")
$("#imagemodal img").css("width", "100%")
var heightS = windowW * 0.8 / width * height;
$("#imagemodal").css("height", heightS + 60 + "px")
} else {
$("#imagemodal").css("width", width + "px")
}
} else {
$("#imagemodal img").css("width", "auto")
var widthS = windowH / height * width;
if (widthS < windowW) {
$("#imagemodal").css("width", widthS + "px")
} else {
$("#imagemodal").css("width", "100vw")
}
$("#imagemodal").css("height", "100vh")
$("#imagemodal img").css("height", "calc(100vh - 60px)")
}
}
if ($("#" + id + "-image-" + (key * 1 + 1)).length === 0) {
$("#image-next").prop("disabled", true);
} else {
$("#image-next").prop("disabled", false);
}
if ($("#" + id + "-image-" + (key * 1 - 1)).length === 0) {
$("#image-prev").prop("disabled", true);
} else {
$("#image-prev").prop("disabled", false);
}
element.src = murl;
});
}
}
//ズームボタン(z:倍率)
function zoom(z) {
var wdth = $('#imagewrap img').width();
var wdth = wdth * z;
$('#imagewrap img').css("width", wdth + "px");
var hgt = $('#imagewrap img').height();
var hgt = hgt * z;
$('#imagewrap img').css("height", hgt + "px");
}
//スマホ対応ドラッグ移動システム
(function () {
$.fn.dragScroll = function () {
var target = this;
$(this).mousedown(function (event) {
$(this)
.data('down', true)
.data('x', event.clientX)
.data('y', event.clientY)
.data('scrollLeft', this.scrollLeft)
.data('scrollTop', this.scrollTop);
return false;
}).css({
'overflow': 'hidden', // スクロールバー非表示
'cursor': 'move'
});
// ウィンドウから外れてもイベント実行
$(document).mousemove(function (event) {
if ($(target).data('down') == true) {
// スクロール
target.scrollLeft($(target).data('scrollLeft') + $(target).data('x') -
event.clientX);
target.scrollTop($(target).data('scrollTop') + $(target).data('y') -
event.clientY);
return false; // 文字列選択を抑止
}
}).mouseup(function (event) {
$(target).data('down', false);
});
$(this).on('touchstart', function (event) {
$(this)
.data('down', true)
.data('x', getX(event))
.data('y', getY(event))
.data('scrollLeft', this.scrollLeft)
.data('scrollTop', this.scrollTop);
return false;
}).css({
'overflow': 'hidden', // スクロールバー非表示
'cursor': 'move'
}); //指が触れたか検知
$(this).on('touchmove', function (event) {
if ($(target).data('down') === true) {
// スクロール
target.scrollLeft($(target).data('scrollLeft') + $(target).data('x') -
getX(event));
target.scrollTop($(target).data('scrollTop') + $(target).data('y') -
getY(event));
return false; // 文字列選択を抑止
} else { }
}); //指が動いたか検知
$(this).on('touchend', function (event) {
$(target).data('down', false);
});
return this;
}
})(jQuery);
function getX(event) {
return event.originalEvent.touches[0].pageX;
}
function getY(event) {
return event.originalEvent.touches[0].pageY;
}
//マウスホイールで拡大
var element = document.getElementById("imagemodal");
element.onmousewheel = function (e) {
var delta = e.wheelDelta;
if (delta > 0) {
zoom(1.1)
} else {
zoom(0.9)
}
}
//当該トゥート
function detFromImg() {
var id = $("#imagemodal").attr("data-id");
var acct_id = $("#imagemodal").attr("data-acct");
$('#imagemodal').modal('close');
details(id, acct_id);
}
//画像保存
function dlImg() {
var url = $("#imgmodal").attr("src");
if (localStorage.getItem("savefolder")) {
var save = localStorage.getItem("savefolder");
} else {
var save = "";
}
postMessage(["generalDL", [url, save, false]], "*")
}
function openFinder(dir) {
postMessage(["openFinder", dir], "*")
}