@rybos/angular2gridster
Version:
[](https://badge.fury.io/js/angular2gridster)
116 lines • 18.8 kB
JavaScript
export const utils = {
setCssElementPosition: function ($element, position) {
$element.style.left = position.x + 'px';
$element.style.top = position.y + 'px';
},
resetCSSElementPosition: function ($element) {
$element.style.left = '';
$element.style.top = '';
},
setTransform: function ($element, position) {
const left = position.x;
const top = position.y;
// Replace unitless items with px
const translate = `translate(${left}px,${top}px)`;
$element.style['transform'] = translate;
$element.style['WebkitTransform'] = translate;
$element.style['MozTransform'] = translate;
$element.style['msTransform'] = translate;
$element.style['OTransform'] = translate;
},
resetTransform: function ($element) {
$element.style['transform'] = '';
$element.style['WebkitTransform'] = '';
$element.style['MozTransform'] = '';
$element.style['msTransform'] = '';
$element.style['OTransform'] = '';
},
clearSelection: () => {
if (document['selection']) {
document['selection'].empty();
}
else if (window.getSelection) {
window.getSelection().removeAllRanges();
}
},
isElementFitContainer: function (element, containerEl) {
const containerRect = containerEl.getBoundingClientRect();
const elRect = element.getBoundingClientRect();
return elRect.left > containerRect.left &&
elRect.right < containerRect.right &&
elRect.top > containerRect.top &&
elRect.bottom < containerRect.bottom;
},
isElementIntersectContainer: function (element, containerEl) {
const containerRect = containerEl.getBoundingClientRect();
const elRect = element.getBoundingClientRect();
const elWidth = elRect.right - elRect.left;
const elHeight = elRect.bottom - elRect.top;
return (elRect.left + (elWidth / 2)) > containerRect.left &&
(elRect.right - (elWidth / 2)) < containerRect.right &&
(elRect.top + (elHeight / 2)) > containerRect.top &&
(elRect.bottom - (elHeight / 2)) < containerRect.bottom;
},
isElementTouchContainer: function (element, containerEl) {
const containerRect = containerEl.getBoundingClientRect();
const elRect = element.getBoundingClientRect();
return elRect.right > containerRect.left &&
elRect.bottom > containerRect.top &&
elRect.left < containerRect.right &&
elRect.top < containerRect.bottom;
},
isCursorAboveElement: function (event, element) {
const elRect = element.getBoundingClientRect();
return event.pageX > elRect.left &&
event.pageX < elRect.right &&
event.pageY > elRect.top &&
event.pageY < elRect.bottom;
},
getElementOuterHeight: function ($element) {
const styleObj = window.getComputedStyle($element);
// NOTE: Manually calculating height because IE's `clientHeight` isn't always
// reliable.
return parseFloat(styleObj.getPropertyValue('height')) +
parseFloat(styleObj.getPropertyValue('padding-top')) +
parseFloat(styleObj.getPropertyValue('padding-bottom'));
},
getRelativeCoordinates: (element, parentElement) => {
const parentElementRect = parentElement.getBoundingClientRect();
const elementRect = element.getBoundingClientRect();
return {
top: elementRect.top - parentElementRect.top,
left: elementRect.left - parentElementRect.left
};
},
getScrollableContainer(node) {
const regex = /(auto|scroll)/;
const parents = (_node, ps) => {
if (_node.parentNode === null) {
return ps;
}
return parents(_node.parentNode, ps.concat([_node]));
};
const style = (_node, prop) => {
return getComputedStyle(_node, null).getPropertyValue(prop);
};
const overflow = _node => {
return (style(_node, 'overflow') + style(_node, 'overflow-y') + style(_node, 'overflow-x'));
};
const scroll = _node => regex.test(overflow(_node));
/* eslint-disable consistent-return */
const scrollParent = _node => {
if (!(_node instanceof HTMLElement || _node instanceof SVGElement)) {
return;
}
const ps = parents(_node.parentNode, []);
for (let i = 0; i < ps.length; i += 1) {
if (scroll(ps[i])) {
return ps[i];
}
}
return document.scrollingElement || document.documentElement;
};
return scrollParent(node);
}
};
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{ DraggableEvent } from './DraggableEvent';\r\n\r\nexport const utils = {\r\n    setCssElementPosition: function ($element: HTMLElement, position: {x: number, y: number}) {\r\n        $element.style.left = position.x + 'px';\r\n        $element.style.top = position.y + 'px';\r\n    },\r\n    resetCSSElementPosition: function ($element: HTMLElement) {\r\n        $element.style.left = '';\r\n        $element.style.top = '';\r\n    },\r\n    setTransform: function ($element: HTMLElement, position: {x: number, y: number}) {\r\n        const left = position.x;\r\n        const top = position.y;\r\n\r\n        // Replace unitless items with px\r\n        const translate = `translate(${left}px,${top}px)`;\r\n\r\n        $element.style['transform'] = translate;\r\n        $element.style['WebkitTransform'] = translate;\r\n        $element.style['MozTransform'] = translate;\r\n        $element.style['msTransform'] = translate;\r\n        $element.style['OTransform'] = translate;\r\n    },\r\n    resetTransform: function ($element: HTMLElement) {\r\n        $element.style['transform'] = '';\r\n        $element.style['WebkitTransform'] = '';\r\n        $element.style['MozTransform'] = '';\r\n        $element.style['msTransform'] = '';\r\n        $element.style['OTransform'] = '';\r\n    },\r\n    clearSelection: () => {\r\n        if (document['selection']) {\r\n            document['selection'].empty();\r\n        } else if (window.getSelection) {\r\n            window.getSelection().removeAllRanges();\r\n        }\r\n    },\r\n    isElementFitContainer: function (element: HTMLElement, containerEl: HTMLElement): boolean {\r\n        const containerRect = containerEl.getBoundingClientRect();\r\n        const elRect = element.getBoundingClientRect();\r\n\r\n        return elRect.left > containerRect.left &&\r\n            elRect.right < containerRect.right &&\r\n            elRect.top > containerRect.top &&\r\n            elRect.bottom < containerRect.bottom;\r\n    },\r\n    isElementIntersectContainer: function (element: HTMLElement, containerEl: HTMLElement): boolean {\r\n        const containerRect = containerEl.getBoundingClientRect();\r\n        const elRect = element.getBoundingClientRect();\r\n\r\n        const elWidth = elRect.right - elRect.left;\r\n        const elHeight = elRect.bottom - elRect.top;\r\n\r\n        return (elRect.left + (elWidth / 2)) > containerRect.left &&\r\n            (elRect.right - (elWidth / 2)) < containerRect.right &&\r\n            (elRect.top + (elHeight / 2)) > containerRect.top &&\r\n            (elRect.bottom - (elHeight / 2)) < containerRect.bottom;\r\n    },\r\n    isElementTouchContainer: function (element: HTMLElement, containerEl: HTMLElement): boolean {\r\n        const containerRect = containerEl.getBoundingClientRect();\r\n        const elRect = element.getBoundingClientRect();\r\n\r\n        return elRect.right > containerRect.left &&\r\n            elRect.bottom > containerRect.top &&\r\n            elRect.left < containerRect.right &&\r\n            elRect.top < containerRect.bottom;\r\n    },\r\n    isCursorAboveElement: function (event: DraggableEvent, element): boolean {\r\n        const elRect = element.getBoundingClientRect();\r\n\r\n        return event.pageX > elRect.left &&\r\n            event.pageX < elRect.right &&\r\n            event.pageY > elRect.top &&\r\n            event.pageY < elRect.bottom;\r\n    },\r\n    getElementOuterHeight: function ($element: HTMLElement) {\r\n        const styleObj = window.getComputedStyle($element);\r\n        // NOTE: Manually calculating height because IE's `clientHeight` isn't always\r\n        // reliable.\r\n        return parseFloat(styleObj.getPropertyValue('height')) +\r\n            parseFloat(styleObj.getPropertyValue('padding-top')) +\r\n            parseFloat(styleObj.getPropertyValue('padding-bottom'));\r\n    },\r\n    getRelativeCoordinates: (element, parentElement): {top: number, left: number} => {\r\n        const parentElementRect = parentElement.getBoundingClientRect();\r\n        const elementRect = element.getBoundingClientRect();\r\n\r\n        return {\r\n            top: elementRect.top - parentElementRect.top,\r\n            left: elementRect.left - parentElementRect.left\r\n        };\r\n    },\r\n    getScrollableContainer(node) {\r\n        const regex = /(auto|scroll)/;\r\n        const parents = (_node, ps) => {\r\n            if (_node.parentNode === null) {\r\n                return ps;\r\n            }\r\n            return parents(_node.parentNode, ps.concat([_node]));\r\n        };\r\n\r\n        const style = (_node, prop) => {\r\n            return getComputedStyle(_node, null).getPropertyValue(prop);\r\n        };\r\n        const overflow = _node => {\r\n            return (\r\n                style(_node, 'overflow') + style(_node, 'overflow-y') + style(_node, 'overflow-x')\r\n            );\r\n        };\r\n        const scroll = _node => regex.test(overflow(_node));\r\n\r\n        /* eslint-disable consistent-return */\r\n        const scrollParent = _node => {\r\n            if (!(_node instanceof HTMLElement || _node instanceof SVGElement)) {\r\n                return;\r\n            }\r\n\r\n            const ps = parents(_node.parentNode, []);\r\n\r\n            for (let i = 0; i < ps.length; i += 1) {\r\n                if (scroll(ps[i])) {\r\n                    return ps[i];\r\n                }\r\n            }\r\n\r\n            return document.scrollingElement || document.documentElement;\r\n        };\r\n\r\n        return scrollParent(node);\r\n    }\r\n};\r\n"]}