android/colabutils/memory_usage/memory_usage_table.html.j2

<style>
    .metrics-wrapper {
        --bg-color: #f9fafb;
        --surface-color: #ffffff;
        --border-color: #e5e7eb;
        --text-primary: #1f2937;
        --text-secondary: #6b7280;
        --hover-color: #f3f4f6;
        --accent-color: #3b82f6;
        --row-height: 36px;

        font-family: "Menlo", "Monaco", "Courier New", monospace;
        font-weight: bold;
        background-color: var(--bg-color);
        color: var(--text-primary);
        padding: 2rem;
        display: flex;
        justify-content: center;
        border-radius: 8px;
    }

    .metrics-wrapper .table-container {
        width: 100%;
        max-width: 100%;
        background: var(--surface-color);
        border-radius: 8px;
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        overflow: hidden;
        border: 1px solid var(--border-color);
    }

    .metrics-wrapper .grid-row {
        display: grid;
        grid-template-columns: 1fr 120px 100px;
        border-bottom: 1px solid var(--border-color);
        align-items: center;
    }

    .metrics-wrapper .header {
        background-color: #f8fafc;
        font-weight: 600;
        font-size: 0.875rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: var(--text-secondary);
        height: var(--row-height);
    }

    .metrics-wrapper .header .cell {
        padding: 0 1rem;
    }

    .metrics-wrapper .row {
        min-height: var(--row-height);
        cursor: pointer;
        transition: background-color 0.15s ease;
        user-select: none;
    }

    .metrics-wrapper .row:hover {
        background-color: var(--hover-color);
    }

    .metrics-wrapper .cell-name {
        display: flex;
        align-items: center;
        padding-right: 1rem;
        min-width: 0; /* Allows shrinking in grid. */
    }

    /* Truncation class */
    .metrics-wrapper .name-text {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
        min-width: 0;
    }

    .metrics-wrapper .cell-value,
    .metrics-wrapper .cell-delta {
        padding: 0 1rem;
        font-family: "Menlo", "Monaco", "Courier New", monospace;
        color: var(--text-primary);
        text-align: right;
        white-space: nowrap;
    }

    .metrics-wrapper .chevron {
        width: 20px;
        height: 20px;
        margin-right: 8px;
        transition: transform 0.2s ease;
        fill: var(--text-secondary);
        flex-shrink: 0;
    }

    .metrics-wrapper .row.expanded .chevron {
        transform: rotate(90deg);
        fill: var(--accent-color);
    }

    .metrics-wrapper .spacer {
        width: 20px;
        margin-right: 8px;
        flex-shrink: 0;
    }

    .metrics-wrapper .children-container {
        display: none;
        background-color: #fff;
        grid-column: 1 / -1;
    }

    .metrics-wrapper .children-container.open {
        display: block;
        animation: slideDown 0.2s ease-out;
    }

    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-5px); }
        to { opacity: 1; transform: translateY(0); }
    }
</style>

<!-- Define SVG symbol -->
<svg style="display: none;">
    <symbol id="icon-chevron" viewBox="0 0 24 24">
        <path d="M10 6L8.59 7.41 13.17 12l-4.58 4.59L10 18l6-6z"/>
    </symbol>
</svg>

<div class="metrics-wrapper">
    <div class="table-container">
        <div class="grid-row header">
            <div class="cell">Name</div>
            <div class="cell" style="text-align: right;">Value</div>
            <div class="cell" style="text-align: right;">Delta</div>
        </div>
        <div id="{{ root_id }}"></div>
    </div>
</div>

<script>
    (function() {
        const metricsData = {{ json_data | tojson }};
        const rootId = "{{ root_id }}";
        const rootElement = document.getElementById(rootId);

        const chevronIcon = `
            <svg class="chevron">
                <use href="#icon-chevron"></use>
            </svg>
        `;

        function renderTree(container, data, depth = 0) {
            data.forEach(metric => {
                const hasChildren = metric.children &&
                    metric.children.length > 0;

                const row = document.createElement('div');
                row.className = 'grid-row row';

                // 1. Name Cell
                const nameCell = document.createElement('div');
                nameCell.className = 'cell-name';

                const paddingLeft = 16 + (depth * 24);
                nameCell.style.paddingLeft = paddingLeft + "px";

                if (hasChildren) {
                    nameCell.innerHTML = chevronIcon;
                } else {
                    nameCell.innerHTML = `<div class="spacer"></div>`;
                }

                // Text Span with truncation and tooltip
                const textSpan = document.createElement('span');
                textSpan.className = 'name-text';
                textSpan.textContent = metric.name;
                textSpan.title = metric.name;
                nameCell.appendChild(textSpan);

                const valueCell = document.createElement('div');
                valueCell.className = 'cell-value';
                valueCell.textContent = metric.value;

                const deltaCell = document.createElement('div');
                deltaCell.className = 'cell-delta';
                deltaCell.textContent = metric.delta || "";

                row.appendChild(nameCell);
                row.appendChild(valueCell);
                row.appendChild(deltaCell);
                container.appendChild(row);

                if (hasChildren) {
                    const childrenContainer = document.createElement('div');
                    childrenContainer.className = 'children-container';

                    renderTree(childrenContainer, metric.children, depth + 1);

                    container.appendChild(childrenContainer);

                    row.addEventListener('click', () => {
                        row.classList.toggle('expanded');
                        if (childrenContainer.classList.contains('open')) {
                            childrenContainer.classList.remove('open');
                        } else {
                            childrenContainer.classList.add('open');
                        }
                    });
                }
            });
        }
        if (rootElement) {
            renderTree(rootElement, metricsData);
        }
    })();
</script>