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Code Issues Releases Wiki Activity

Add support to tm-scroll message for scrolling without animating (#6410)

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* feat: add support for animationDuration attribute of paramObject for tm-scroll message

* docs: added docs for animationDuration attribute of tm-scroll message

* fix: use .utils.hop instead of Object.hasOwnProperty()

* fix: do not check if object before calling utils.hop()

* fix: syntax
This commit is contained in:
Saq Imtiaz
2022-01-24 10:44:04 +01:00
committed by GitHub
parent d823856082
commit 9fce8153df
3 changed files with 25 additions and 14 deletions
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18
core/modules/widgets/scrollable.js
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@@ -38,10 +38,14 @@ ScrollableWidget.prototype.handleScrollEvent = function(event) {
if(this.outerDomNode.scrollWidth <= this.outerDomNode.offsetWidth && this.outerDomNode.scrollHeight <= this.outerDomNode.offsetHeight && this.fallthrough === "yes") {
return true;
}
var options = {};
if($tw.utils.hop(event.paramObject,"animationDuration")) {
options.animationDuration = event.paramObject.animationDuration;
}
if(event.paramObject && event.paramObject.selector) {
this.scrollSelectorIntoView(null,event.paramObject.selector);
this.scrollSelectorIntoView(null,event.paramObject.selector,null,options);
} else {
this.scrollIntoView(event.target);
this.scrollIntoView(event.target,null,options);
}
return false; // Handled event
};
@@ -49,9 +53,9 @@ ScrollableWidget.prototype.handleScrollEvent = function(event) {
/*
Scroll an element into view
*/
ScrollableWidget.prototype.scrollIntoView = function(element) {
var duration = $tw.utils.getAnimationDuration(),
srcWindow = element ? element.ownerDocument.defaultView : window;
ScrollableWidget.prototype.scrollIntoView = function(element,callback,options) {
var duration = $tw.utils.hop(options,"animationDuration") ? parseInt(options.animationDuration) : $tw.utils.getAnimationDuration(),
srcWindow = element ? element.ownerDocument.defaultView : window;
this.cancelScroll();
this.startTime = Date.now();
var scrollPosition = {
@@ -114,11 +118,11 @@ ScrollableWidget.prototype.scrollIntoView = function(element) {
}
};
ScrollableWidget.prototype.scrollSelectorIntoView = function(baseElement,selector,callback) {
ScrollableWidget.prototype.scrollSelectorIntoView = function(baseElement,selector,callback,options) {
baseElement = baseElement || document.body;
var element = baseElement.querySelector(selector);
if(element) {
this.scrollIntoView(element,callback);
this.scrollIntoView(element,callback,options);
}
};