thedesk/app/js/post/img.js

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JavaScript
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//ドラッグ・アンド・ドロップからアップロードまで。uiのimg.jsとは異なります。
var obj = $("body");
var system;
//ドラッグスタート
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obj.on('dragstart', function (e) {
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system = "locked"
});
//何もなくファイルが通過
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obj.on('dragend', function (e) {
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system = "";
});
//ドラッグファイルが画面上に
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obj.on('dragenter', function (e) {
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if (system != "locked") {
$("#drag").css('display', 'flex');
}
});
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$("body").on('dragover', function (e) {
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e.stopPropagation();
e.preventDefault();
});
//ドロップした
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$("body").on('drop', function (e) {
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if (system != "locked") {
$("#drag").css('display', 'none');
e.preventDefault();
var files = e.originalEvent.dataTransfer.files;
pimg(files);
}
});
//何もなくファイルが通過
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$("#drag").on('dragleave', function (e) {
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$("#drag").css('display', 'none');
});
//複数アップ
function pimg(files) {
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console.table(files);
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for (i = 0; i < files.length; i++) {
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var dot = files[i].path.match(/\.(.+)$/)[1];
if (dot == "bmp" || dot == "BMP") {
postMessage(["bmpImage", [files[i].path, i]], "*")
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todo(lang.lang_progress);
} else {
handleFileUpload(files[i], obj, i);
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}
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}
}
//ドラッグ・アンド・ドロップを終了
function closedrop() {
$("#drag").css('display', 'none');
}
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//ファイル選択
function fileselect() {
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postMessage(["sendSinmpleIpc", "file-select"], "*")
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}
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//ファイル読み込み
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function handleFileUpload(files, obj, no) {
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var fr = new FileReader();
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fr.onload = function (evt) {
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var b64 = evt.target.result;
$('#b64-box').val(b64);
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var ret = media(b64, files["type"], no)
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}
fr.readAsDataURL(files);
$("#mec").append(files["name"] + "/");
}
//ファイルアップロード
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function media(b64, type, no) {
var l = 4;
var c = "abcdefghijklmnopqrstuvwxyz0123456789";
var cl = c.length;
var r = "";
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for (var i = 0; i < l; i++) {
r += c[Math.floor(Math.random() * cl)];
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}
if ($("#media").val()) {
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$("#media").val($("#media").val() + ',' + "tmp_" + r);
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} else {
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$("#media").val("tmp_" + r);
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}
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$(".toot-btn-group").prop("disabled", true);
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$("#post-acct-sel").prop("disabled", true);
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localStorage.setItem("image", "busy");
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todo("Image Upload...");
var media = toBlob(b64, type);
var fd = new FormData();
fd.append('file', media);
var acct_id = $("#post-acct-sel").val();
var domain = localStorage.getItem("domain_" + acct_id);
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var at = localStorage.getItem("acct_" + acct_id + "_at");
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var httpreq = new XMLHttpRequest();
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if (localStorage.getItem("mode_" + domain) == "misskey") {
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var start = "https://" + domain + "/api/drive/files/create";
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httpreq.open('POST', start, true);
httpreq.upload.addEventListener("progress", progshow, false);
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httpreq.responseType = "json";
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if ($("#nsfw").hasClass("nsfw-avail")) {
var nsfw = true;
} else {
var nsfw = false;
}
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var previewer = "url"
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fd.append('i', at);
//fd.append('isSensitive', nsfw);
httpreq.send(fd);
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} else {
var previewer = "preview_url"
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var start = "https://" + domain + "/api/v1/media";
httpreq.open('POST', start, true);
httpreq.upload.addEventListener("progress", progshow, false);
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httpreq.responseType = "json";
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httpreq.setRequestHeader('Authorization', 'Bearer ' + at);
httpreq.send(fd);
}
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httpreq.onreadystatechange = function () {
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if (httpreq.readyState === 4) {
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var json = httpreq.response;
var img = localStorage.getItem("img");
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if (json.type.indexOf("image") != -1) {
var html = '<img src="' + json[previewer] + '" class="preview-img pointer" data-media="' + json["id"] + '" onclick="deleteImage(\'' + json["id"] + '\')" title="' + lang.lang_postimg_delete + '">';
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$('#preview').append(html);
} else {
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$('#preview').append(lang.lang_postimg_previewdis);
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}
if (!img) {
var img = "no-act";
}
if (img != "inline") {
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var mediav = $("#media").val();
var regExp = new RegExp("tmp_" + r, "g");
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mediav = mediav.replace(regExp, json["id"]);
$("#media").val(mediav);
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}
if (img == "url") {
$("#textarea").val($("#textarea").val() + " " + json["text_url"])
}
todc();
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$(".toot-btn-group").prop("disabled", false);
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$('select').formSelect();
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$("#mec").text(lang.lang_there);
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M.toast({ html: lang.lang_postimg_aftupload, displayLength: 1000 })
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$("#imgup").text("");
$("#imgsel").show();
localStorage.removeItem("image");
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}
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}
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}
//Base64からBlobへ
function toBlob(base64, type) {
var bin = atob(base64.replace(/^.*,/, ''));
var buffer = new Uint8Array(bin.length);
for (var i = 0; i < bin.length; i++) {
buffer[i] = bin.charCodeAt(i);
}
// Blobを作成
try {
var blob = new Blob([new Uint8Array(buffer)], {
type: type
});
} catch (e) {
return false;
}
return blob;
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}
//画像を貼り付けたら…
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var element = document.querySelector("#textarea");
element.addEventListener("paste", function (e) {
if (!e.clipboardData || !e.clipboardData.items) {
return true;
}
// DataTransferItemList に画像が含まれいない場合は終了する
var imageItems = [...e.clipboardData.items].filter(i => i.type.startsWith('image'));
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if (imageItems.length == 0) {
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console.warn("it is not image")
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return true;
}
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// ファイルとして得る
// DataTransferItem の kind は file なので getAsString ではなく getAsFile を呼ぶ
var imageFile = imageItems[0].getAsFile();
var imageType = imageItems[0].type;
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// FileReaderで読み込む
var fr = new FileReader();
fr.onload = function (e) {
// onload内ではe.target.resultにbase64が入っているのであとは煮るなり焼くなり
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var base64 = e.target.result;
var mediav = $("#media").val();
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if (mediav) {
var i = mediav.split(",").length;
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}
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// DataTransferItem の type に mime tipes があるのでそれを使う
media(base64, imageType, i)
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};
fr.readAsDataURL(imageFile);
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// 画像以外がペーストされたときのために、元に戻しておく
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});
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function deleteImage(key) {
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Swal.fire({
title: lang.lang_postimg_delete,
type: 'warning',
showCancelButton: true,
confirmButtonColor: '#3085d6',
cancelButtonColor: '#d33',
confirmButtonText: lang.lang_yesno,
cancelButtonText: lang.lang_no
}).then((result) => {
if (result.value) {
var media = $("#media").val();
var arr = media.split(",");
for (var i = 0; i < media.length; i++) {
if (arr[i] == key) {
arr.splice(i, 1);
break;
}
}
$("#media").val(arr.join(","));
$('#preview [data-media=' + key + ']').remove();
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}
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})
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}