fix locale
This commit is contained in:
313
dist/common/units.js
vendored
313
dist/common/units.js
vendored
@@ -1,313 +0,0 @@
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/**
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* Tools for working with units.
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* @module units
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* @license MIT
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*
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* @copyright 2010 Alexis Deveria, 2010 Jeff Schiller
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*/
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import {NS} from './namespaces.js';
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const wAttrs = ['x', 'x1', 'cx', 'rx', 'width'];
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const hAttrs = ['y', 'y1', 'cy', 'ry', 'height'];
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const unitAttrs = ['r', 'radius', ...wAttrs, ...hAttrs];
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// unused
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/*
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const unitNumMap = {
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'%': 2,
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em: 3,
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ex: 4,
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px: 5,
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cm: 6,
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mm: 7,
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in: 8,
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pt: 9,
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pc: 10
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};
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*/
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// Container of elements.
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let elementContainer_;
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// Stores mapping of unit type to user coordinates.
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let typeMap_ = {};
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/**
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* @interface module:units.ElementContainer
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*/
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/**
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* @function module:units.ElementContainer#getBaseUnit
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* @returns {string} The base unit type of the container ('em')
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*/
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/**
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* @function module:units.ElementContainer#getElement
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* @returns {?Element} An element in the container given an id
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*/
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/**
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* @function module:units.ElementContainer#getHeight
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* @returns {Float} The container's height
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*/
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/**
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* @function module:units.ElementContainer#getWidth
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* @returns {Float} The container's width
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*/
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/**
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* @function module:units.ElementContainer#getRoundDigits
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* @returns {Integer} The number of digits number should be rounded to
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*/
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/* eslint-disable jsdoc/valid-types */
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/**
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* @typedef {PlainObject} module:units.TypeMap
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* @property {Float} em
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* @property {Float} ex
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* @property {Float} in
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* @property {Float} cm
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* @property {Float} mm
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* @property {Float} pt
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* @property {Float} pc
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* @property {Integer} px
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* @property {0} %
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*/
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/* eslint-enable jsdoc/valid-types */
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/**
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* Initializes this module.
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*
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* @function module:units.init
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* @param {module:units.ElementContainer} elementContainer - An object implementing the ElementContainer interface.
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* @returns {void}
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*/
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export const init = function (elementContainer) {
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elementContainer_ = elementContainer;
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// Get correct em/ex values by creating a temporary SVG.
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const svg = document.createElementNS(NS.SVG, 'svg');
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document.body.append(svg);
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const rect = document.createElementNS(NS.SVG, 'rect');
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rect.setAttribute('width', '1em');
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rect.setAttribute('height', '1ex');
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rect.setAttribute('x', '1in');
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svg.append(rect);
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const bb = rect.getBBox();
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svg.remove();
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const inch = bb.x;
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typeMap_ = {
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em: bb.width,
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ex: bb.height,
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in: inch,
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cm: inch / 2.54,
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mm: inch / 25.4,
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pt: inch / 72,
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pc: inch / 6,
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px: 1,
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'%': 0
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};
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};
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/**
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* Group: Unit conversion functions.
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*/
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/**
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* @function module:units.getTypeMap
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* @returns {module:units.TypeMap} The unit object with values for each unit
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*/
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export const getTypeMap = function () {
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return typeMap_;
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};
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/**
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* @typedef {GenericArray} module:units.CompareNumbers
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* @property {Integer} length 2
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* @property {Float} 0
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* @property {Float} 1
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*/
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/**
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* Rounds a given value to a float with number of digits defined in
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* `round_digits` of `saveOptions`
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*
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* @function module:units.shortFloat
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* @param {string|Float|module:units.CompareNumbers} val - The value (or Array of two numbers) to be rounded
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* @returns {Float|string} If a string/number was given, returns a Float. If an array, return a string
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* with comma-separated floats
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*/
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export const shortFloat = function (val) {
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const digits = elementContainer_.getRoundDigits();
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if (!isNaN(val)) {
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return Number(Number(val).toFixed(digits));
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}
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if (Array.isArray(val)) {
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return shortFloat(val[0]) + ',' + shortFloat(val[1]);
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}
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return Number.parseFloat(val).toFixed(digits) - 0;
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};
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/**
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* Converts the number to given unit or baseUnit.
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* @function module:units.convertUnit
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* @param {string|Float} val
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* @param {"em"|"ex"|"in"|"cm"|"mm"|"pt"|"pc"|"px"|"%"} [unit]
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* @returns {Float}
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*/
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export const convertUnit = function (val, unit) {
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unit = unit || elementContainer_.getBaseUnit();
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// baseVal.convertToSpecifiedUnits(unitNumMap[unit]);
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// const val = baseVal.valueInSpecifiedUnits;
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// baseVal.convertToSpecifiedUnits(1);
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return shortFloat(val / typeMap_[unit]);
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};
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/**
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* Sets an element's attribute based on the unit in its current value.
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*
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* @function module:units.setUnitAttr
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* @param {Element} elem - DOM element to be changed
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* @param {string} attr - Name of the attribute associated with the value
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* @param {string} val - Attribute value to convert
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* @returns {void}
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*/
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export const setUnitAttr = function (elem, attr, val) {
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// if (!isNaN(val)) {
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// New value is a number, so check currently used unit
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// const oldVal = elem.getAttribute(attr);
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// Enable this for alternate mode
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// if (oldVal !== null && (isNaN(oldVal) || elementContainer_.getBaseUnit() !== 'px')) {
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// // Old value was a number, so get unit, then convert
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// let unit;
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// if (oldVal.substr(-1) === '%') {
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// const res = getResolution();
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// unit = '%';
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// val *= 100;
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// if (wAttrs.includes(attr)) {
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// val = val / res.w;
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// } else if (hAttrs.includes(attr)) {
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// val = val / res.h;
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// } else {
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// return val / Math.sqrt((res.w*res.w) + (res.h*res.h))/Math.sqrt(2);
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// }
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// } else {
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// if (elementContainer_.getBaseUnit() !== 'px') {
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// unit = elementContainer_.getBaseUnit();
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// } else {
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// unit = oldVal.substr(-2);
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// }
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// val = val / typeMap_[unit];
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// }
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//
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// val += unit;
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// }
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// }
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elem.setAttribute(attr, val);
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};
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const attrsToConvert = {
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line: ['x1', 'x2', 'y1', 'y2'],
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circle: ['cx', 'cy', 'r'],
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ellipse: ['cx', 'cy', 'rx', 'ry'],
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foreignObject: ['x', 'y', 'width', 'height'],
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rect: ['x', 'y', 'width', 'height'],
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image: ['x', 'y', 'width', 'height'],
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use: ['x', 'y', 'width', 'height'],
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text: ['x', 'y']
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};
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/**
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* Converts all applicable attributes to the configured baseUnit.
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* @function module:units.convertAttrs
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* @param {Element} element - A DOM element whose attributes should be converted
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* @returns {void}
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*/
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export const convertAttrs = function (element) {
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const elName = element.tagName;
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const unit = elementContainer_.getBaseUnit();
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const attrs = attrsToConvert[elName];
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if (!attrs) { return; }
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const len = attrs.length;
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for (let i = 0; i < len; i++) {
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const attr = attrs[i];
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const cur = element.getAttribute(attr);
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if (cur) {
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if (!isNaN(cur)) {
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element.setAttribute(attr, (cur / typeMap_[unit]) + unit);
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}
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// else {
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// Convert existing?
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// }
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}
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}
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};
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/**
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* Converts given values to numbers. Attributes must be supplied in
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* case a percentage is given.
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*
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* @function module:units.convertToNum
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* @param {string} attr - Name of the attribute associated with the value
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* @param {string} val - Attribute value to convert
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* @returns {Float} The converted number
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*/
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export const convertToNum = function (attr, val) {
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// Return a number if that's what it already is
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if (!isNaN(val)) { return val - 0; }
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if (val.substr(-1) === '%') {
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// Deal with percentage, depends on attribute
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const num = val.substr(0, val.length - 1) / 100;
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const width = elementContainer_.getWidth();
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const height = elementContainer_.getHeight();
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if (wAttrs.includes(attr)) {
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return num * width;
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}
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if (hAttrs.includes(attr)) {
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return num * height;
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}
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return num * Math.sqrt((width * width) + (height * height)) / Math.sqrt(2);
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}
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const unit = val.substr(-2);
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const num = val.substr(0, val.length - 2);
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// Note that this multiplication turns the string into a number
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return num * typeMap_[unit];
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};
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/**
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* Check if an attribute's value is in a valid format.
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* @function module:units.isValidUnit
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* @param {string} attr - The name of the attribute associated with the value
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* @param {string} val - The attribute value to check
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* @param {Element} selectedElement
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* @returns {boolean} Whether the unit is valid
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*/
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export const isValidUnit = function (attr, val, selectedElement) {
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if (unitAttrs.includes(attr)) {
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// True if it's just a number
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if (!isNaN(val)) {
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return true;
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}
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// Not a number, check if it has a valid unit
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val = val.toLowerCase();
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return Object.keys(typeMap_).some((unit) => {
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const re = new RegExp('^-?[\\d\\.]+' + unit + '$');
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return re.test(val);
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});
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}
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if (attr === 'id') {
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// if we're trying to change the id, make sure it's not already present in the doc
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// and the id value is valid.
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let result = false;
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// because getElem() can throw an exception in the case of an invalid id
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// (according to https://www.w3.org/TR/xml-id/ IDs must be a NCName)
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// we wrap it in an exception and only return true if the ID was valid and
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// not already present
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try {
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const elem = elementContainer_.getElement(val);
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result = (!elem || elem === selectedElement);
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} catch (e) {}
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return result;
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}
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return true;
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};
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