X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/1ee3e779e4b9b0a92f701a72f21a72c83cb1ce68..refs/heads/ldap_host_failover:/resources/js/services/animations.js

diff --git a/resources/js/services/animations.js b/resources/js/services/animations.js
index 8a3e9a57b..12b8077cf 100644
--- a/resources/js/services/animations.js
+++ b/resources/js/services/animations.js
@@ -1,3 +1,26 @@
+/**
+ * Used in the function below to store references of clean-up functions.
+ * Used to ensure only one transitionend function exists at any time.
+ * @type {WeakMap<object, any>}
+ */
+const animateStylesCleanupMap = new WeakMap();
+
+/**
+ * Fade in the given element.
+ * @param {Element} element
+ * @param {Number} animTime
+ * @param {Function|null} onComplete
+ */
+export function fadeIn(element, animTime = 400, onComplete = null) {
+    cleanupExistingElementAnimation(element);
+    element.style.display = 'block';
+    animateStyles(element, {
+        opacity: ['0', '1']
+    }, animTime, () => {
+        if (onComplete) onComplete();
+    });
+}
+
 /**
  * Fade out the given element.
  * @param {Element} element
@@ -5,6 +28,7 @@
  * @param {Function|null} onComplete
  */
 export function fadeOut(element, animTime = 400, onComplete = null) {
+    cleanupExistingElementAnimation(element);
     animateStyles(element, {
         opacity: ['1', '0']
     }, animTime, () => {
@@ -19,12 +43,13 @@ export function fadeOut(element, animTime = 400, onComplete = null) {
  * @param {Number} animTime
  */
 export function slideUp(element, animTime = 400) {
+    cleanupExistingElementAnimation(element);
     const currentHeight = element.getBoundingClientRect().height;
     const computedStyles = getComputedStyle(element);
     const currentPaddingTop = computedStyles.getPropertyValue('padding-top');
     const currentPaddingBottom = computedStyles.getPropertyValue('padding-bottom');
     const animStyles = {
-        height: [`${currentHeight}px`, '0px'],
+        maxHeight: [`${currentHeight}px`, '0px'],
         overflow: ['hidden', 'hidden'],
         paddingTop: [currentPaddingTop, '0px'],
         paddingBottom: [currentPaddingBottom, '0px'],
@@ -41,13 +66,14 @@ export function slideUp(element, animTime = 400) {
  * @param {Number} animTime - Animation time in ms
  */
 export function slideDown(element, animTime = 400) {
+    cleanupExistingElementAnimation(element);
     element.style.display = 'block';
     const targetHeight = element.getBoundingClientRect().height;
     const computedStyles = getComputedStyle(element);
     const targetPaddingTop = computedStyles.getPropertyValue('padding-top');
     const targetPaddingBottom = computedStyles.getPropertyValue('padding-bottom');
     const animStyles = {
-        height: ['0px', `${targetHeight}px`],
+        maxHeight: ['0px', `${targetHeight}px`],
         overflow: ['hidden', 'hidden'],
         paddingTop: ['0px', targetPaddingTop],
         paddingBottom: ['0px', targetPaddingBottom],
@@ -57,11 +83,36 @@ export function slideDown(element, animTime = 400) {
 }
 
 /**
- * Used in the function below to store references of clean-up functions.
- * Used to ensure only one transitionend function exists at any time.
- * @type {WeakMap<object, any>}
+ * Transition the height of the given element between two states.
+ * Call with first state, and you'll receive a function in return.
+ * Call the returned function in the second state to animate between those two states.
+ * If animating to/from 0-height use the slide-up/slide down as easier alternatives.
+ * @param {Element} element - Element to animate
+ * @param {Number} animTime - Animation time in ms
+ * @returns {function} - Function to run in second state to trigger animation.
  */
-const animateStylesCleanupMap = new WeakMap();
+export function transitionHeight(element, animTime = 400) {
+    const startHeight = element.getBoundingClientRect().height;
+    const initialComputedStyles = getComputedStyle(element);
+    const startPaddingTop = initialComputedStyles.getPropertyValue('padding-top');
+    const startPaddingBottom = initialComputedStyles.getPropertyValue('padding-bottom');
+
+    return () => {
+        cleanupExistingElementAnimation(element);
+        const targetHeight = element.getBoundingClientRect().height;
+        const computedStyles = getComputedStyle(element);
+        const targetPaddingTop = computedStyles.getPropertyValue('padding-top');
+        const targetPaddingBottom = computedStyles.getPropertyValue('padding-bottom');
+        const animStyles = {
+            height: [`${startHeight}px`, `${targetHeight}px`],
+            overflow: ['hidden', 'hidden'],
+            paddingTop: [startPaddingTop, targetPaddingTop],
+            paddingBottom: [startPaddingBottom, targetPaddingBottom],
+        };
+
+        animateStyles(element, animStyles, animTime);
+    };
+}
 
 /**
  * Animate the css styles of an element using FLIP animation techniques.
@@ -84,23 +135,28 @@ function animateStyles(element, styles, animTime = 400, onComplete = null) {
         }
         element.style.transition = null;
         element.removeEventListener('transitionend', cleanup);
+        animateStylesCleanupMap.delete(element);
         if (onComplete) onComplete();
     };
 
     setTimeout(() => {
-        requestAnimationFrame(() => {
-            element.style.transition = `all ease-in-out ${animTime}ms`;
-            for (let style of styleNames) {
-                element.style[style] = styles[style][1];
-            }
+        element.style.transition = `all ease-in-out ${animTime}ms`;
+        for (let style of styleNames) {
+            element.style[style] = styles[style][1];
+        }
 
-            if (animateStylesCleanupMap.has(element)) {
-                const oldCleanup = animateStylesCleanupMap.get(element);
-                element.removeEventListener('transitionend', oldCleanup);
-            }
+        element.addEventListener('transitionend', cleanup);
+        animateStylesCleanupMap.set(element, cleanup);
+    }, 15);
+}
 
-            element.addEventListener('transitionend', cleanup);
-            animateStylesCleanupMap.set(element, cleanup);
-        });
-    }, 10);
+/**
+ * Run the active cleanup action for the given element.
+ * @param {Element} element
+ */
+function cleanupExistingElementAnimation(element) {
+    if (animateStylesCleanupMap.has(element)) {
+        const oldCleanup = animateStylesCleanupMap.get(element);
+        oldCleanup();
+    }
 }
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