MediaWiki:Gadget-GlobalVariables.js

Hinweis: Leere nach dem Veröffentlichen den Browser-Cache, um die Änderungen sehen zu können.

• Firefox/Safari: Umschalttaste drücken und gleichzeitig Aktualisieren anklicken oder entweder Strg+F5 oder Strg+R (⌘+R auf dem Mac) drücken
• Google Chrome: Umschalttaste+Strg+R (⌘+Umschalttaste+R auf dem Mac) drücken
• Edge: Strg+F5 drücken oder Strg drücken und gleichzeitig Aktualisieren anklicken

mw.loader.using(['mediawiki.util']).then(function () {

    const globalVars = {}; // speichert die Variablenwerte
    const seenVars = new Set(); // speichert, welche Variablen schon in der Leiste sind
    const variableBlocks = {}; // speichert die Blöcke, die jede Variable nutzen

    // --- Globale Leiste erstellen ---
    const bar = document.createElement('div');
    bar.id = 'global-var-bar';
    bar.style.display = 'flex';
    bar.style.flexWrap = 'wrap';
    bar.style.gap = '8px';
    bar.style.padding = '8px';
    bar.style.border = '1px solid #bbb';
    bar.style.borderRadius = '6px';
    bar.style.background = '#f5f5f5';
    bar.style.marginBottom = '12px';
    document.querySelector('#content').prepend(bar);

    function addVarOnce(varName) {
        if (seenVars.has(varName)) return;
        seenVars.add(varName);

        globalVars[varName] = '';

        const lbl = document.createElement('label');
        lbl.style.display = 'flex';
        lbl.style.flexDirection = 'column';
        lbl.style.fontSize = '12px';
        lbl.style.color = '#333';
        lbl.textContent = varName;

        const inp = document.createElement('input');
        inp.type = 'text';
        inp.value = '';
        inp.dataset.varId = varName;
        inp.style.width = '120px';
        inp.style.padding = '2px 4px';
        inp.style.border = '1px solid #ccc';
        inp.style.borderRadius = '4px';
        inp.style.fontFamily = 'monospace';
        inp.style.fontSize = '12px';

        // Wenn Input geändert wird: alle Blöcke updaten
        inp.addEventListener('input', () => {
            globalVars[varName] = inp.value;
            updateAllBlocks(varName);
        });

        lbl.appendChild(inp);
        bar.appendChild(lbl);
    }

    // --- Dynamische Codeblöcke initialisieren ---
    function initDynamicCodeBlock(pre) {
        if (pre.dataset.dynamicInit) return;
        pre.dataset.dynamicInit = true;

        const originalCode = pre.textContent;
        const regex = /{{(\w+)}}/g;
        const vars = [];
        let match;
        while ((match = regex.exec(originalCode)) !== null) {
            if (!vars.includes(match[1])) vars.push(match[1]);
        }
        if (vars.length === 0) return;

        // Kopier-Button rechts oben in der Box
        const btn = document.createElement('button');
        btn.textContent = '📋 Kopieren';
        btn.style.position = 'absolute';
        btn.style.top = '4px';
        btn.style.right = '4px';
        btn.style.padding = '4px 8px';
        btn.style.fontSize = '12px';
        btn.style.cursor = 'pointer';
        btn.style.border = '1px solid #888';
        btn.style.borderRadius = '4px';
        btn.style.background = '#eee';

        btn.onclick = () => copyText(pre.textContent, btn);

        // Wrapper um Codeblock, um Button absolut zu positionieren
        const wrapper = document.createElement('div');
        wrapper.style.position = 'relative';
        wrapper.appendChild(btn);
        pre.parentNode.insertBefore(wrapper, pre);
        wrapper.appendChild(pre);

        // Variable für globale Updates registrieren
        vars.forEach(v => {
            addVarOnce(v);
            if (!variableBlocks[v]) variableBlocks[v] = [];
            variableBlocks[v].push(pre);
        });

        // initial update
        updateAllBlocks();
    }

    // --- Alle Blöcke updaten ---
    function updateAllBlocks(varName) {
        const varsToUpdate = varName ? [varName] : Object.keys(variableBlocks);
        varsToUpdate.forEach(name => {
            const blocks = variableBlocks[name] || [];
            blocks.forEach(pre => {
                let updated = pre.textContent;
                // alle Variablen im Block ersetzen
                const regex = /{{(\w+)}}/g;
                updated = updated.replace(regex, (match, p1) => globalVars[p1] ?? p1);
                pre.textContent = updated;
            });
        });

        // Sync Inputs in der Leiste
        Object.keys(globalVars).forEach(name => {
            const inp = document.querySelector(`#global-var-bar input[data-var-id="${name}"]`);
            if (inp && inp.value !== globalVars[name]) inp.value = globalVars[name];
        });
    }

    // --- Copy-Funktion ---
    function copyText(text, btn) {
        if (navigator.clipboard && window.isSecureContext) {
            navigator.clipboard.writeText(text).then(success);
        } else {
            const textarea = document.createElement('textarea');
            textarea.value = text;
            document.body.appendChild(textarea);
            textarea.select();
            document.execCommand('copy');
            document.body.removeChild(textarea);
            success();
        }

        function success() {
            btn.textContent = '✅ Kopiert!';
            setTimeout(() => btn.textContent = '📋 Kopieren', 1500);
        }
    }

    // --- Initialisierung ---
    function initPage() {
        document.querySelectorAll('pre.dynamic-code').forEach(initDynamicCodeBlock);
    }

    initPage();
    mw.hook('wikipage.content').add(initPage);

});