Text-Kitchen/eraser-lab.html at main · pdedgar1/Text-Kitchen · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Eraser Lab - Text-Kitchen</title>
    <link rel="stylesheet" href="styles.css">
</head>
<body>
    <nav class="main-nav">
        <a href="index.html">Home</a>
        <a href="text-reverse-lab.html">Text Reversal</a>
        <a href="line-break-lab.html">Line Break Lab</a>
        <a href="eraser-lab.html">Eraser Lab</a>
        <a href="alphabetizer-lab.html">Alphabetizer Lab</a>
        <a href="markov-mashup-lab.html">Markov Mashup Lab</a>
        <a href="lipogram-lab.html">Lipogram Lab</a>
        <a href="long-tail-lab.html">Long Tail Lab</a>
        <a href="grid-it-lab.html">Grid-It Lab</a>
        <a href="letter-replacement-lab.html">Letter Swap</a>
        <a href="chromacode-lab.html">Chromacode</a>
        <a href="about.html">About</a>
    </nav>

    <!-- Tool content here -->
     <div class="container">
        <div class="header">
            <h1>Eraser Lab</h1>
            <p>Transform text through selective erasure • Create found poetry from any text</p>
        </div>

        <p style="margin-bottom: 30px; line-height: 1.8; color: #4a4a4a;">
            [Add your description here about how the Eraser Lab enables permutational erasure and its applications for found poetry and textual reduction.]
        </p>

        <div class="controls">
            <div class="file-upload">
                <label class="file-input-wrapper">
                    Choose Text File (.txt only)
                    <input type="file" id="fileInput" accept=".txt">
                </label>
                <div id="errorMessage" class="error-message"></div>
            </div>

            <div class="mode-selector">
                <h3>Erasure Mode</h3>
                <div class="mode-buttons">
                    <button class="mode-btn active" data-mode="word">By Word</button>
                    <button class="mode-btn" data-mode="character">By Character</button>
                </div>
            </div>

            <div class="erasure-controls">
                <div class="control-group">
                    <h3>Pattern Controls</h3>
                    <div class="slider-container">
                        <div class="slider-label">
                            <span>Every Nth Element</span>
                            <span id="nthValue">2</span>
                        </div>
                        <input type="range" class="slider" id="nthSlider" min="2" max="10" value="2">
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="enableErasure" checked>
                        <label for="enableErasure">Enable Erasure</label>
                    </div>
                </div>

                <div class="control-group">
                    <h3>Advanced Patterns</h3>
                    <div class="checkbox-container">
                        <input type="checkbox" id="eraseEvery2nd">
                        <label for="eraseEvery2nd">Every 2nd</label>
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="eraseEvery3rd">
                        <label for="eraseEvery3rd">Every 3rd</label>
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="eraseEvery5th">
                        <label for="eraseEvery5th">Every 5th</label>
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="eraseEvery7th">
                        <label for="eraseEvery7th">Every 7th</label>
                    </div>
                </div>

                <div class="control-group">
                    <h3>Display Options</h3>
                    <div class="slider-container">
                        <div class="slider-label">
                            <span>Font Size</span>
                            <span id="fontSizeValue">16px</span>
                        </div>
                        <input type="range" class="slider" id="fontSizeSlider" min="12" max="24" value="16">
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="preserveSpacing" checked>
                        <label for="preserveSpacing">Preserve Original Spacing</label>
                    </div>
                    <div class="checkbox-container">
                        <input type="checkbox" id="preserveLineBreaks" checked>
                        <label for="preserveLineBreaks">Preserve Line Breaks</label>
                    </div>
                </div>
            </div>
        </div>

        <div class="output">
            <div id="outputText" class="output-text">
                <div class="placeholder-text">
                    Upload a .txt file to begin creating your erasure poetry
                </div>
            </div>
            <div id="stats" class="stats" style="display: none;">
                <span>Original: <span id="originalCount">0</span> elements</span>
                <span>Remaining: <span id="remainingCount">0</span> elements</span>
                <span>Erased: <span id="erasedCount">0</span> elements</span>
            </div>
            <button class="apply-btn" id="exportBtn" style="display: none; margin-top: 15px;">Export TXT</button>
        </div>

    <script>
        // JavaScript for this specific tool
                let originalText = '';
        let currentMode = 'word';

        // DOM elements
        const fileInput = document.getElementById('fileInput');
        const errorMessage = document.getElementById('errorMessage');
        const outputText = document.getElementById('outputText');
        const stats = document.getElementById('stats');
        const modeButtons = document.querySelectorAll('.mode-btn');

        // Controls
        const nthSlider = document.getElementById('nthSlider');
        const nthValue = document.getElementById('nthValue');
        const enableErasure = document.getElementById('enableErasure');
        const fontSizeSlider = document.getElementById('fontSizeSlider');
        const fontSizeValue = document.getElementById('fontSizeValue');
        const preserveSpacing = document.getElementById('preserveSpacing');
        const preserveLineBreaks = document.getElementById('preserveLineBreaks');

        // Advanced pattern checkboxes
        const patternCheckboxes = {
            2: document.getElementById('eraseEvery2nd'),
            3: document.getElementById('eraseEvery3rd'),
            5: document.getElementById('eraseEvery5th'),
            7: document.getElementById('eraseEvery7th')
        };

        // File upload handler
        fileInput.addEventListener('change', handleFileUpload);

        function handleFileUpload(event) {
            const file = event.target.files[0];
            errorMessage.textContent = '';

            if (!file) return;

            if (!file.name.toLowerCase().endsWith('.txt')) {
                errorMessage.textContent = 'Please select a .txt file only.';
                return;
            }

            const reader = new FileReader();
            reader.onload = function(e) {
                originalText = e.target.result;
                processText();
            };
            reader.readAsText(file);
        }

        // Mode switching
        modeButtons.forEach(button => {
            button.addEventListener('click', () => {
                modeButtons.forEach(btn => btn.classList.remove('active'));
                button.classList.add('active');
                currentMode = button.dataset.mode;
                if (originalText) processText();
            });
        });

        // Control listeners
        nthSlider.addEventListener('input', () => {
            nthValue.textContent = nthSlider.value;
            if (originalText) processText();
        });

        enableErasure.addEventListener('change', () => {
            if (originalText) processText();
        });

        fontSizeSlider.addEventListener('input', () => {
            const size = fontSizeSlider.value + 'px';
            fontSizeValue.textContent = size;
            outputText.style.fontSize = size;
        });

        preserveSpacing.addEventListener('change', () => {
            if (originalText) processText();
        });

        preserveLineBreaks.addEventListener('change', () => {
            if (originalText) processText();
        });

        // Advanced pattern listeners
        Object.values(patternCheckboxes).forEach(checkbox => {
            checkbox.addEventListener('change', () => {
                if (originalText) processText();
            });
        });

        function processText() {
            if (!originalText) return;

            // Handle line breaks if not preserving them
            let textToProcess = originalText;
            if (!preserveLineBreaks.checked) {
                textToProcess = originalText.replace(/[\r\n]+/g, ' ');
            }

            let elements;
            if (currentMode === 'word') {
                elements = textToProcess.split(' ');
            } else {
                elements = textToProcess.split('');
            }

            const processedElements = elements.map((element, index) => {
                if (!enableErasure.checked) return element;

                let shouldErase = false;
                const position = index + 1;

                // Check main nth pattern
                if (position % parseInt(nthSlider.value) === 0) {
                    shouldErase = true;
                }

                // Check advanced patterns
                for (const [nth, checkbox] of Object.entries(patternCheckboxes)) {
                    if (checkbox.checked && position % parseInt(nth) === 0) {
                        shouldErase = true;
                        break;
                    }
                }

                if (shouldErase) {
                    if (currentMode === 'word') {
                        return preserveSpacing.checked ? ' '.repeat(element.length) : '';
                    } else {
                        return preserveSpacing.checked ? ' ' : '';
                    }
                }

                return element;
            });

            let result;
            if (currentMode === 'word') {
                result = processedElements.join(' ');
            } else {
                result = processedElements.join('');
            }

            outputText.textContent = result;
            updateStats(elements, processedElements);
        }

        const exportBtn = document.getElementById('exportBtn');
        exportBtn.addEventListener('click', function() {
            const text = outputText.textContent;
            if (!text) return;
            const blob = new Blob([text], { type: 'text/plain' });
            const url = URL.createObjectURL(blob);
            const a = document.createElement('a');
            a.href = url;
            a.download = 'eraser-lab-output.txt';
            a.click();
            URL.revokeObjectURL(url);
        });

        function updateStats(originalElements, processedElements) {
            const originalCount = originalElements.length;
            const erasedCount = processedElements.filter((element, index) => {
                if (currentMode === 'word') {
                    return element.trim() === '' || element === ' '.repeat(originalElements[index].length);
                } else {
                    return element === ' ' || element === '';
                }
            }).length;
            const remainingCount = originalCount - erasedCount;

            document.getElementById('originalCount').textContent = originalCount;
            document.getElementById('remainingCount').textContent = remainingCount;
            document.getElementById('erasedCount').textContent = erasedCount;

            stats.style.display = 'flex';
            exportBtn.style.display = 'block';
        }
    </script>
</body>
</html>