thedesk/app/js/ui/img.js

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JavaScript
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'use strict'
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/*イメージビューワー*/
//postのimg.jsとは異なります。
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function imgv(id, key, acct_id) {
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$('#imgprog').text(0)
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$('#imgsec').text(0)
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$('#imgmodal').hide()
$('#imgmodal').attr('src', '../../img/loading.svg')
var murl = $('#' + id + '-image-' + key).attr('data-url')
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var ourl = $('#' + id + '-image-' + key).attr('data-original')
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if (!ourl || ourl == 'null') {
ourl = murl
}
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var type = $('#' + id + '-image-' + key).attr('data-type')
$('#imagemodal').attr('data-id', id)
$('#imagemodal').attr('data-acct', acct_id)
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$('#imagemodal').attr('data-original', ourl)
$('#imagemodal').attr('data-image', murl)
//表示はリモートを使うか(どちらにしろコピーはオリジナル)
var remote_img = localStorage.getItem('remote_img')
if (remote_img == 'yes') {
murl = ourl
}
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$(document).ready(function() {
if (type == 'image') {
$('#imagemodal').modal('open')
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imageXhr(id, key, murl)
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$('#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()
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}
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})
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}
//イメージビューワーの送り
function imgCont(type) {
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var key = $('#imagemodal').attr('data-key')
var id = $('#imagemodal').attr('data-id')
if (type == 'next') {
key++
} else if (type == 'prev') {
key = key * 1 - 1
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}
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var murl = $('#' + id + '-image-' + key).attr('data-url')
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var ourl = $('#' + id + '-image-' + key).attr('data-original')
var type = $('#' + id + '-image-' + key).attr('data-type')
$('#imagemodal').attr('data-id', id)
$('#imagemodal').attr('data-acct', acct_id)
$('#imagemodal').attr('data-original', ourl)
$('#imagemodal').attr('data-image', murl)
//表示はリモートを使うか(どちらにしろコピーはオリジナル)
var remote_img = localStorage.getItem('remote_img')
if (remote_img == 'yes') {
murl = ourl
}
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if (murl) {
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$('#imgprog').text(0)
$('#imgsec').text(0)
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$('#imgmodal').attr('src', '../../img/loading.svg')
var type = $('#' + id + '-image-' + key).attr('data-type')
$(document).ready(function() {
if (type == 'image') {
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imageXhr(id, key, murl)
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$('#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')
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}
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})
}
}
function imageXhr(id, key, murl) {
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var startTime = new Date()
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var xhr = new XMLHttpRequest()
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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
$('#imgprog').text(Math.floor(per))
}
},
false
)
xhr.addEventListener(
'loadend',
function(event) {
var total = event.total
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$('#imgbyte').text(Math.floor(total/1024))
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var now = event.loaded
var per = (now / total) * 100
$('#imgprog').text(Math.floor(per))
},
false
)
xhr.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200) {
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var r = new FileReader()
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r.readAsDataURL(this.response)
r.onload = function() {
var b64 = r.result
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()
$('#imagemodal').css('bottom', '0')
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$('#imagemodal img').css('width', 'auto')
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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 {
$('#imagemodal').css('width', width + 'px')
}
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} else {
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$('#imagemodal img').css('width', 'auto')
var widthS = (windowH / height) * width
if (widthS < windowW) {
$('#imagemodal').css('width', widthS + 'px')
} else {
$('#imagemodal').css('width', '100vw')
}
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$('#imagemodal').css('height', '100vh')
$('#imagemodal img').css('height', 'calc(100vh - 60px)')
}
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}
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if ($('#' + 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 = b64
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var endTime = new Date()
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var proctime = endTime.getTime() - startTime.getTime()
$('#imgsec').text(proctime)
$('#imgmodal').attr('src', b64)
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}
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}
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}
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xhr.responseType = 'blob'
xhr.send()
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}
//ズームボタン(z:倍率)
function zoom(z) {
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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')
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}
//スマホ対応ドラッグ移動システム
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;(function() {
$.fn.dragScroll = function() {
var target = this
$(this)
.mousedown(function(event) {
$(this)
.data('down', true)
.data('x', event.clientX)
.data('y', event.clientY)
.data('scrollLeft', this.scrollLeft)
.data('scrollTop', this.scrollTop)
return false
})
.css({
overflow: 'hidden', // スクロールバー非表示
cursor: 'move'
})
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// ウィンドウから外れてもイベント実行
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$(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
$(this).on('touchmove', function(event) {
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if ($(target).data('down') === true) {
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// スクロール
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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)
})
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return this
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}
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})(jQuery)
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function getX(event) {
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return event.originalEvent.touches[0].pageX
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}
function getY(event) {
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return event.originalEvent.touches[0].pageY
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}
//マウスホイールで拡大
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var element = document.getElementById('imagemodal')
element.onmousewheel = function(e) {
var delta = e.wheelDelta
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if (delta > 0) {
zoom(1.1)
} else {
zoom(0.9)
}
}
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//当該トゥート
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function detFromImg() {
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var id = $('#imagemodal').attr('data-id')
var acct_id = $('#imagemodal').attr('data-acct')
$('#imagemodal').modal('close')
details(id, acct_id)
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}
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//画像保存
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function dlImg() {
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var ourl = $('#imagemodal').attr('data-original')
var murl = $('#imagemodal').attr('data-image')
var remote_img = localStorage.getItem('remote_img')
if (remote_img == 'yes') {
murl = ourl
}
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if (localStorage.getItem('savefolder')) {
var save = localStorage.getItem('savefolder')
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} else {
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var save = ''
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}
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postMessage(['generalDL', [murl, save, false]], '*')
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}
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function openFinder(dir) {
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postMessage(['openFinder', dir], '*')
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}
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function stopVideo() {
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document.getElementById('video').pause()
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}
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function copyImgUrl() {
var murl = $('#imagemodal').attr('data-original')
execCopy(murl)
M.toast({ html: lang.lang_img_copyDone, displayLength: 1500 })
}