ZenDivider/ZenDivider.html at main · BarnMTB/ZenDivider · GitHub

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<!DOCTYPE html>
<html lang="en">

    <head>
        <meta name="viewport" content="height=device-height">
        <meta charset="utf-8">
        <title>ZenDivider...</title>

        <style>
            #titleInput {
                width: 100%;
                height: 55vh;

                position: fixed;
                top: 42%;

                text-align: center;
                resize: none;

                border: none;
                outline: none;
                box-shadow: none;
                background-color: transparent;


                font-size: xxx-large;
                font-weight: bold;
            }
            .text {
                font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', system-ui, sans-serif;
            }
            @media (prefers-color-scheme: dark) {
                .text {
                    color: white;
                }
            }
            body {
                background-color: #f7f7f7;
            }
            @media (prefers-color-scheme: dark) {
                body {
                    background-color: #333333;
                }
            }
        </style>

        <link rel="icon" type="image/png" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAICAYAAADED76LAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAAEnQAABJ0Ad5mH3gAAAANSURBVChTY2AYBSAAAAEIAAGpU3sNAAAAAElFTkSuQmCC">
    </head>

    <body>
        <textarea id="titleInput" class="text" aria-label="Title input text box" autocomplete="off" autocapitalize="words" autocorrect="on" spellcheck="false" autofocus="true" placeholder="Type here to rename the title of this tab"></textarea>
    </body>

    <script>
        const appName = "ZenDivider"
        const appVersion = "202506_1.1"
        const appAbout = appName + " by BarnMTB, Licensed under CC BY-NC-SA 4.0, Version " + appVersion + ", https://github.com/BarnMTB/ZenDivider"
        const defaultTitle = appName
        const targetTextBox = document.getElementById('titleInput'); // Target textbox that contains input, locate by ID

        //-----------------------------------------------Grab Query from URL
        function grabTextQuery() {
            var url = window.location.href; // Get the full URL of the current page
            var parsedUrl = new URL(url); // Create a URL object to parse the URL
            var queryParams = parsedUrl.searchParams; // Get the search parameters from the URL

            // Get the value of the 'text' query parameter
            var textValue = queryParams.get('text');

            console.log("Recieved Text Query: " + textValue); // Print the value of the 'text' query parameter
            targetTextBox.value = textValue; // Set the text value in the target textbox to the query

            renameTabTitleCommit();
            removeEmptyTextQuery();
        }

        //-----------------------------------------------Monitor text change
        targetTextBox.addEventListener('input', function () {
            renameTabTitleCommit();
            updateTextQueryCommit();
            //appInfoRevealCheck();
        });

        //-----------------------------------------------Change tab's title
        function renameTabTitle(input) {
            if (typeof input != 'string') { throw new Error("Invalid input: Expected a string."); };

            if (input == "") { document.title = defaultTitle }
            else if (input != null) { document.title = input }
            else { document.title = defaultTitle };
        }
        function renameTabTitleCommit() {
            renameTabTitle(targetTextBox.value);
        }

        grabTextQuery();

        //-----------------------------------------------Remove empty query from URL
        function removeEmptyTextQuery() {
            const url = new URL(window.location.href);
            const textParam = url.searchParams.get("text");

            if (textParam === "") {
                url.searchParams.delete("text");
                window.history.replaceState({}, document.title, url.toString());
            }
        }
        //-----------------------------------------------Update Query from URL
        function updateTextQuery(input) {
            const url = new URL(window.location.href); // Get the current URL

            url.searchParams.set("text", input); // Modify the query parameter "text"
            window.history.replaceState(null, "", url); // Update the browser's address bar without reloading the page
        }
        function updateTextQueryCommit() {
            removeEmptyTextQuery();
            updateTextQuery(targetTextBox.value);
        }

        //-----------------------------------------------Click anywhere to start typing
        /*
        document.addEventListener("click", function () {
            targetTextBox.focus();
        });
        */

        //-----------------------------------------------Unfocuses when pressing Esc or Enter
        targetTextBox.addEventListener("keydown", function (event) {
            if (event.key === "Enter" || event.key === "Escape") {
                appInfoRevealCheck();
                targetTextBox.blur();
                updateTextQueryCommit();
            }
        });

        //-----------------------------------------------Show App Info
        function appInfoRevealCheck() {
            if (targetTextBox.value.toLowerCase() === (appName + ":about").toLowerCase() || targetTextBox.value.toLowerCase() === (appName + ":info").toLowerCase()) {
                targetTextBox.value = appAbout;
            }
        }

    </script>

</html>