iqdb Ctrl + V

在 iqdb 中使用 Ctrl + V 上传图片

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name            iqdb Ctrl + V
// @name:en         iqdb Ctrl + V
// @namespace       http://tampermonkey.net/
// @version         0.1.4
// @description     在 iqdb 中使用 Ctrl + V 上传图片
// @description:en  Upload image to iqdb by Ctrl + V
// @author          apkipa
// @match           https://*.iqdb.org/*
// @grant           none
// ==/UserScript==

(function() {
    'use strict';

    function extractImageFilesFromClipboard(event) {
        var clipboardData = event.clipboardData || window.clipboardData;
        var files = clipboardData.files;
        var a = new DataTransfer();

        for (var i = 0; i < files.length; i++) {
            if (files[i].type.indexOf("image") !== -1) {
                a.items.add(files[i]);
            }
        }

        if (a.files.length < 1) {
            return null;
        }

        return a.files;
    }

    function extractTextFromClipboard(event) {
        var clipboardData = event.clipboardData || window.clipboardData;
        return clipboardData.getData('Text');
    }

    function createFilelistFromSingleFile(file) {
        var a = new DataTransfer();
        a.items.add(file);
        return a.files;
    }

    function isHttpURL(text) {
        var url;
        try {
            url = new URL(text);
        } catch(_) {
            return false;
        }
        return url.protocol === "http:" || url.protocol === "https:";
    }

    function handlePaste(e) {
        var files = extractImageFilesFromClipboard(e);

        if (files !== null) {
            e.stopPropagation();
            e.preventDefault();

            var fileInput = document.getElementById("file");

            /* ? Not working here
            fileInput.addEventListener("change", () => {
                formUpload.form.submit();
            });
            */

            fileInput.files = createFilelistFromSingleFile(files[0]);
        }
        else {
            console.log("Paste event does not contain images. Assuming text is pasted.");
            var text = extractTextFromClipboard(e);
            if (text == "") {
                console.log("No text in paste event, event is propagated.");
                return;
            }

            if (!isHttpURL(text)) {
                console.log("Pasted text is not a URL, event is propagated.");
                return;
            }

            var urlInput = document.getElementById("url");

            e.stopPropagation();
            e.preventDefault();

            urlInput.value = text;
        }

        // Automatically submit the pasted data
        // (If this is not desired behavior, comment the line containing submit())
        var formUpload = document.querySelectorAll("input[type=submit]")[0];
        formUpload.form.submit();
    }

    window.addEventListener('paste', handlePaste);
})();