Added tests for Layout and Treeview

src/myfasthtml/assets/myfasthtml.js

@@ -159,6 +159,113 @@ function initResizer(containerId, options = {}) {
   });
 }
 
+function bindTooltipsWithDelegation(elementId) {
+  // To display the tooltip, the attribute 'data-tooltip' is mandatory => it contains the text to tooltip
+  // Then
+  //      the 'truncate' to show only when the text is truncated
+  //      the class 'mmt-tooltip' for force the display
+
+  console.info("bindTooltips on element " + elementId);
+
+  const element = document.getElementById(elementId);
+  const tooltipContainer = document.getElementById(`tt_${elementId}`);
+
+
+  if (!element) {
+    console.error(`Invalid element '${elementId}' container`);
+    return;
+  }
+
+  if (!tooltipContainer) {
+    console.error(`Invalid tooltip 'tt_${elementId}' container.`);
+    return;
+  }
+
+  // Add a single mouseenter and mouseleave listener to the parent element
+  element.addEventListener("mouseenter", (event) => {
+    //console.debug("Entering element", event.target)
+
+    const cell = event.target.closest("[data-tooltip]");
+    if (!cell) {
+      // console.debug("  No 'data-tooltip' attribute found. Stopping.");
+      return;
+    }
+
+    const no_tooltip = element.hasAttribute("mf-no-tooltip");
+    if (no_tooltip) {
+      // console.debug("  Attribute 'mmt-no-tooltip' found. Cancelling.");
+      return;
+    }
+
+    const content = cell.querySelector(".truncate") || cell;
+    const isOverflowing = content.scrollWidth > content.clientWidth;
+    const forceShow = cell.classList.contains("mf-tooltip");
+
+    if (isOverflowing || forceShow) {
+      const tooltipText = cell.getAttribute("data-tooltip");
+      if (tooltipText) {
+        const rect = cell.getBoundingClientRect();
+        const tooltipRect = tooltipContainer.getBoundingClientRect();
+
+        let top = rect.top - 30; // Above the cell
+        let left = rect.left;
+
+        // Adjust tooltip position to prevent it from going off-screen
+        if (top < 0) top = rect.bottom + 5; // Move below if no space above
+        if (left + tooltipRect.width > window.innerWidth) {
+          left = window.innerWidth - tooltipRect.width - 5; // Prevent overflow right
+        }
+
+        // Apply styles for tooltip positioning
+        requestAnimationFrame(() => {
+          tooltipContainer.textContent = tooltipText;
+          tooltipContainer.setAttribute("data-visible", "true");
+          tooltipContainer.style.top = `${top}px`;
+          tooltipContainer.style.left = `${left}px`;
+        });
+      }
+    }
+  }, true); // Use capture phase for better delegation if needed
+
+  element.addEventListener("mouseleave", (event) => {
+    const cell = event.target.closest("[data-tooltip]");
+    if (cell) {
+      tooltipContainer.setAttribute("data-visible", "false");
+    }
+  }, true); // Use capture phase for better delegation if needed
+}
+
+function initLayout(elementId) {
+  initResizer(elementId);
+  bindTooltipsWithDelegation(elementId);
+}
+
+function disableTooltip() {
+  const elementId = tooltipElementId
+  // console.debug("disableTooltip on element " + elementId);
+
+  const element = document.getElementById(elementId);
+  if (!element) {
+    console.error(`Invalid element '${elementId}' container`);
+    return;
+  }
+
+  element.setAttribute("mmt-no-tooltip", "");
+}
+
+function enableTooltip() {
+  const elementId = tooltipElementId
+  // console.debug("enableTooltip on element " + elementId);
+
+  const element = document.getElementById(elementId);
+  if (!element) {
+    console.error(`Invalid element '${elementId}' container`);
+    return;
+  }
+
+  element.removeAttribute("mmt-no-tooltip");
+}
+
 function initBoundaries(elementId, updateUrl) {
   function updateBoundaries() {
     const container = document.getElementById(elementId);
@@ -363,7 +470,6 @@ function updateTabs(controllerId) {
 
     for (const [combinationStr, config] of Object.entries(combinations)) {
       const sequence = parseCombination(combinationStr);
-      console.log("Parsing combination", combinationStr, "=>", sequence);
       let currentNode = root;
 
       for (const keySet of sequence) {
@@ -1354,4 +1460,5 @@ function updateTabs(controllerId) {
       detachGlobalListener();
     }
   };
-})();
+})();
+