devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
127 lines (126 loc) • 4.42 kB
JavaScript
/**
* DevExtreme (esm/core/utils/size.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import {
getWindow
} from "../../core/utils/window";
import {
isWindow,
isString,
isNumeric
} from "../utils/type";
var window = getWindow();
var SPECIAL_HEIGHT_VALUES = ["auto", "none", "inherit", "initial"];
var getSizeByStyles = function(elementStyles, styles) {
var result = 0;
styles.forEach((function(style) {
result += parseFloat(elementStyles[style]) || 0
}));
return result
};
var getElementBoxParams = function(name, elementStyles) {
var beforeName = "width" === name ? "Left" : "Top";
var afterName = "width" === name ? "Right" : "Bottom";
return {
padding: getSizeByStyles(elementStyles, ["padding" + beforeName, "padding" + afterName]),
border: getSizeByStyles(elementStyles, ["border" + beforeName + "Width", "border" + afterName + "Width"]),
margin: getSizeByStyles(elementStyles, ["margin" + beforeName, "margin" + afterName])
}
};
var getBoxSizingOffset = function(name, elementStyles, boxParams) {
var size = elementStyles[name];
if ("border-box" === elementStyles.boxSizing && size.length && "%" !== size[size.length - 1]) {
return boxParams.border + boxParams.padding
}
return 0
};
var getSize = function(element, name, include) {
var elementStyles = window.getComputedStyle(element);
var boxParams = getElementBoxParams(name, elementStyles);
var clientRect = element.getClientRects().length;
var boundingClientRect = element.getBoundingClientRect()[name];
var result = clientRect ? boundingClientRect : 0;
if (result <= 0) {
result = parseFloat(elementStyles[name] || element.style[name]) || 0;
result -= getBoxSizingOffset(name, elementStyles, boxParams)
} else {
result -= boxParams.padding + boxParams.border
}
if (include.paddings) {
result += boxParams.padding
}
if (include.borders) {
result += boxParams.border
}
if (include.margins) {
result += boxParams.margin
}
return result
};
var getContainerHeight = function(container) {
return isWindow(container) ? container.innerHeight : container.offsetHeight
};
var parseHeight = function(value, container) {
if (value.indexOf("px") > 0) {
value = parseInt(value.replace("px", ""))
} else if (value.indexOf("%") > 0) {
value = parseInt(value.replace("%", "")) * getContainerHeight(container) / 100
} else if (!isNaN(value)) {
value = parseInt(value)
}
return value
};
var getHeightWithOffset = function(value, offset, container) {
if (!value) {
return null
}
if (SPECIAL_HEIGHT_VALUES.indexOf(value) > -1) {
return offset ? null : value
}
if (isString(value)) {
value = parseHeight(value, container)
}
if (isNumeric(value)) {
return Math.max(0, value + offset)
}
var operationString = offset < 0 ? " - " : " ";
return "calc(" + value + operationString + Math.abs(offset) + "px)"
};
var addOffsetToMaxHeight = function(value, offset, container) {
var maxHeight = getHeightWithOffset(value, offset, container);
return null !== maxHeight ? maxHeight : "none"
};
var addOffsetToMinHeight = function(value, offset, container) {
var minHeight = getHeightWithOffset(value, offset, container);
return null !== minHeight ? minHeight : 0
};
var getVerticalOffsets = function(element, withMargins) {
if (!element) {
return 0
}
var boxParams = getElementBoxParams("height", window.getComputedStyle(element));
return boxParams.padding + boxParams.border + (withMargins ? boxParams.margin : 0)
};
var getVisibleHeight = function(element) {
if (element) {
var boundingClientRect = element.getBoundingClientRect();
if (boundingClientRect.height) {
return boundingClientRect.height
}
}
return 0
};
export {
getSize,
getElementBoxParams,
addOffsetToMaxHeight,
addOffsetToMinHeight,
getVerticalOffsets,
getVisibleHeight,
parseHeight
};