diff options
Diffstat (limited to 'ui/static/js/dom_helper.js')
-rw-r--r-- | ui/static/js/dom_helper.js | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/ui/static/js/dom_helper.js b/ui/static/js/dom_helper.js deleted file mode 100644 index fffa6965..00000000 --- a/ui/static/js/dom_helper.js +++ /dev/null @@ -1,65 +0,0 @@ -class DomHelper { - static isVisible(element) { - return element.offsetParent !== null; - } - - static openNewTab(url) { - let win = window.open(""); - win.opener = null; - win.location = url; - win.focus(); - } - - static scrollPageTo(element, evenIfOnScreen) { - let windowScrollPosition = window.pageYOffset; - let windowHeight = document.documentElement.clientHeight; - let viewportPosition = windowScrollPosition + windowHeight; - let itemBottomPosition = element.offsetTop + element.offsetHeight; - - if (evenIfOnScreen || viewportPosition - itemBottomPosition < 0 || viewportPosition - element.offsetTop > windowHeight) { - window.scrollTo(0, element.offsetTop - 10); - } - } - - static getVisibleElements(selector) { - let elements = document.querySelectorAll(selector); - let result = []; - - for (let i = 0; i < elements.length; i++) { - if (this.isVisible(elements[i])) { - result.push(elements[i]); - } - } - - return result; - } - - static findParent(element, selector) { - for (; element && element !== document; element = element.parentNode) { - if (element.classList.contains(selector)) { - return element; - } - } - - return null; - } - - static hasPassiveEventListenerOption() { - var passiveSupported = false; - - try { - var options = Object.defineProperty({}, "passive", { - get: function() { - passiveSupported = true; - } - }); - - window.addEventListener("test", options, options); - window.removeEventListener("test", options, options); - } catch(err) { - passiveSupported = false; - } - - return passiveSupported; - } -} |