Folder reorganize 1

assets/js/boiler-panels.js

@@ -0,0 +1,158 @@
+(() => {
+  const PANEL_SELECTOR = '[data-refresh-url="data/boilers.php"]';
+  const TABLE_SELECTOR = '[data-boiler-section]';
+  const STORAGE_KEY = 'lasuca.boilerPanels';
+
+  const loadState = () => {
+    try {
+      const stored = window.localStorage.getItem(STORAGE_KEY);
+      if (!stored) {
+        return {};
+      }
+      const parsed = JSON.parse(stored);
+      return typeof parsed === 'object' && parsed !== null ? parsed : {};
+    } catch (error) {
+      console.warn('Unable to load boiler panel state from storage.', error);
+      return {};
+    }
+  };
+
+  const saveState = (state) => {
+    try {
+      window.localStorage.setItem(STORAGE_KEY, JSON.stringify(state));
+    } catch (error) {
+      console.warn('Unable to persist boiler panel state.', error);
+    }
+  };
+
+  const applyCollapsedState = (table, collapsed) => {
+    const rows = Array.from(table.rows).slice(1);
+    rows.forEach((row) => {
+      row.style.display = collapsed ? 'none' : '';
+    });
+    table.classList.toggle('is-collapsed', collapsed);
+  };
+
+  const formatSummary = (value, units) => {
+    if (value === undefined || value === null || value === '') {
+      return 'Steam Flow: —';
+    }
+
+    const numeric = Number(value);
+    const formatted = Number.isFinite(numeric)
+      ? numeric.toLocaleString(undefined, { maximumFractionDigits: 1 })
+      : value;
+
+    const unitPart = units ? ` ${units}` : '';
+    return `Steam Flow: ${formatted}${unitPart}`;
+  };
+
+  const initialiseTable = (table, state) => {
+    const id = table.dataset.boilerSection;
+    if (!id) {
+      return;
+    }
+
+    const headerRow = table.querySelector('tr');
+    const headerCell = headerRow ? headerRow.querySelector('td, th') : null;
+    if (!headerCell) {
+      return;
+    }
+
+    const title = (table.dataset.boilerTitle || headerCell.textContent || '').trim() || 'Boiler';
+    const steamValue = table.dataset.steamValue || '';
+    const steamUnits = table.dataset.steamUnits || '';
+
+    const targetId = table.id || `${id}-table`;
+    table.id = targetId;
+
+    let headerWrapper = headerCell.querySelector('.boiler-panel__header');
+    let toggleButton;
+    let summary;
+
+    if (!headerWrapper) {
+      headerWrapper = document.createElement('div');
+      headerWrapper.className = 'boiler-panel__header';
+
+      toggleButton = document.createElement('button');
+      toggleButton.type = 'button';
+      toggleButton.className = 'boiler-panel__toggle';
+      toggleButton.setAttribute('data-boiler-toggle', id);
+      toggleButton.setAttribute('aria-controls', targetId);
+      toggleButton.innerHTML = `
+        <span class="boiler-panel__title">${title}</span>
+        <span class="boiler-panel__indicator" aria-hidden="true"></span>
+      `;
+
+      summary = document.createElement('span');
+      summary.className = 'boiler-panel__summary';
+      summary.setAttribute('data-boiler-summary', '');
+      summary.textContent = formatSummary(steamValue, steamUnits);
+
+      headerWrapper.appendChild(toggleButton);
+      headerWrapper.appendChild(summary);
+
+      headerCell.innerHTML = '';
+      headerCell.appendChild(headerWrapper);
+
+      toggleButton.addEventListener('click', () => {
+        const nextCollapsed = !table.classList.contains('is-collapsed');
+        applyCollapsedState(table, nextCollapsed);
+        toggleButton.setAttribute('aria-expanded', (!nextCollapsed).toString());
+        state[id] = nextCollapsed;
+        saveState(state);
+      });
+
+      table.dataset.boilerInitialised = 'true';
+    } else {
+      toggleButton = headerWrapper.querySelector('.boiler-panel__toggle');
+      summary = headerWrapper.querySelector('[data-boiler-summary]');
+    }
+
+    if (toggleButton) {
+      toggleButton.setAttribute('aria-controls', targetId);
+    }
+
+    if (summary) {
+      summary.textContent = formatSummary(steamValue, steamUnits);
+    }
+
+    const collapsed = state[id] === true;
+    applyCollapsedState(table, collapsed);
+    if (toggleButton) {
+      toggleButton.setAttribute('aria-expanded', (!collapsed).toString());
+    }
+  };
+
+  const initialisePanel = (panel) => {
+    const state = loadState();
+    const tables = panel.querySelectorAll(TABLE_SELECTOR);
+    tables.forEach((table) => initialiseTable(table, state));
+  };
+
+  const handlePanelUpdate = (event) => {
+    if (!event || !event.currentTarget) {
+      return;
+    }
+    initialisePanel(event.currentTarget);
+  };
+
+  const setup = () => {
+    const panel = document.querySelector(PANEL_SELECTOR);
+    if (!panel) {
+      return;
+    }
+
+    panel.addEventListener('livepanel:updated', handlePanelUpdate);
+
+    if (panel.innerHTML.trim().length) {
+      initialisePanel(panel);
+    }
+  };
+
+  if (document.readyState === 'loading') {
+    document.addEventListener('DOMContentLoaded', setup, { once: true });
+  } else {
+    setup();
+  }
+})();