tupali/librerias/gantt/code/es-modules/parts/SVGElement.js

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2020-05-23 20:45:54 +00:00
/* *
*
* (c) 2010-2020 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import Color from './Color.js';
import H from './Globals.js';
var deg2rad = H.deg2rad, doc = H.doc, hasTouch = H.hasTouch, isFirefox = H.isFirefox, noop = H.noop, svg = H.svg, SVG_NS = H.SVG_NS, win = H.win;
import U from './Utilities.js';
var animate = U.animate, animObject = U.animObject, attr = U.attr, createElement = U.createElement, css = U.css, defined = U.defined, erase = U.erase, extend = U.extend, fireEvent = U.fireEvent, inArray = U.inArray, isArray = U.isArray, isFunction = U.isFunction, isNumber = U.isNumber, isString = U.isString, merge = U.merge, objectEach = U.objectEach, pick = U.pick, pInt = U.pInt, stop = U.stop, uniqueKey = U.uniqueKey;
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
* The SVGElement prototype is a JavaScript wrapper for SVG elements used in the
* rendering layer of Highcharts. Combined with the
* {@link Highcharts.SVGRenderer}
* object, these prototypes allow freeform annotation in the charts or even in
* HTML pages without instanciating a chart. The SVGElement can also wrap HTML
* labels, when `text` or `label` elements are created with the `useHTML`
* parameter.
*
* The SVGElement instances are created through factory functions on the
* {@link Highcharts.SVGRenderer}
* object, like
* {@link Highcharts.SVGRenderer#rect|rect},
* {@link Highcharts.SVGRenderer#path|path},
* {@link Highcharts.SVGRenderer#text|text},
* {@link Highcharts.SVGRenderer#label|label},
* {@link Highcharts.SVGRenderer#g|g}
* and more.
*
* @class
* @name Highcharts.SVGElement
*/
var SVGElement = /** @class */ (function () {
function SVGElement() {
/* *
*
* Properties
*
* */
this.element = void 0;
this.height = void 0;
this.opacity = 1; // Default base for animation
this.renderer = void 0;
this.SVG_NS = SVG_NS;
// Custom attributes used for symbols, these should be filtered out when
// setting SVGElement attributes (#9375).
this.symbolCustomAttribs = [
'x',
'y',
'width',
'height',
'r',
'start',
'end',
'innerR',
'anchorX',
'anchorY',
'rounded'
];
/**
* For labels, these CSS properties are applied to the `text` node directly.
*
* @private
* @name Highcharts.SVGElement#textProps
* @type {Array<string>}
*/
this.textProps = [
'color', 'cursor', 'direction', 'fontFamily', 'fontSize', 'fontStyle',
'fontWeight', 'lineHeight', 'textAlign', 'textDecoration',
'textOutline', 'textOverflow', 'width'
];
this.width = void 0;
}
/* *
*
* Functions
*
* */
/**
* Get the current value of an attribute or pseudo attribute,
* used mainly for animation. Called internally from
* the {@link Highcharts.SVGRenderer#attr} function.
*
* @private
* @function Highcharts.SVGElement#_defaultGetter
*
* @param {string} key
* Property key.
*
* @return {number|string}
* Property value.
*/
SVGElement.prototype._defaultGetter = function (key) {
var ret = pick(this[key + 'Value'], // align getter
this[key], this.element ? this.element.getAttribute(key) : null, 0);
if (/^[\-0-9\.]+$/.test(ret)) { // is numerical
ret = parseFloat(ret);
}
return ret;
};
/**
* @private
* @function Highcharts.SVGElement#_defaultSetter
*
* @param {string} value
*
* @param {string} key
*
* @param {Highcharts.SVGDOMElement} element
*
* @return {void}
*/
SVGElement.prototype._defaultSetter = function (value, key, element) {
element.setAttribute(key, value);
};
/**
* Add the element to the DOM. All elements must be added this way.
*
* @sample highcharts/members/renderer-g
* Elements added to a group
*
* @function Highcharts.SVGElement#add
*
* @param {Highcharts.SVGElement} [parent]
* The parent item to add it to. If undefined, the element is added
* to the {@link Highcharts.SVGRenderer.box}.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.add = function (parent) {
var renderer = this.renderer, element = this.element, inserted;
if (parent) {
this.parentGroup = parent;
}
// mark as inverted
this.parentInverted = parent && parent.inverted;
// build formatted text
if (typeof this.textStr !== 'undefined') {
renderer.buildText(this);
}
// Mark as added
this.added = true;
// If we're adding to renderer root, or other elements in the group
// have a z index, we need to handle it
if (!parent || parent.handleZ || this.zIndex) {
inserted = this.zIndexSetter();
}
// If zIndex is not handled, append at the end
if (!inserted) {
(parent ?
parent.element :
renderer.box).appendChild(element);
}
// fire an event for internal hooks
if (this.onAdd) {
this.onAdd();
}
return this;
};
/**
* Add a class name to an element.
*
* @function Highcharts.SVGElement#addClass
*
* @param {string} className
* The new class name to add.
*
* @param {boolean} [replace=false]
* When true, the existing class name(s) will be overwritten with the new
* one. When false, the new one is added.
*
* @return {Highcharts.SVGElement}
* Return the SVG element for chainability.
*/
SVGElement.prototype.addClass = function (className, replace) {
var currentClassName = replace ? '' : (this.attr('class') || '');
// Trim the string and remove duplicates
className = (className || '')
.split(/ /g)
.reduce(function (newClassName, name) {
if (currentClassName.indexOf(name) === -1) {
newClassName.push(name);
}
return newClassName;
}, (currentClassName ?
[currentClassName] :
[]))
.join(' ');
if (className !== currentClassName) {
this.attr('class', className);
}
return this;
};
/**
* This method is executed in the end of `attr()`, after setting all
* attributes in the hash. In can be used to efficiently consolidate
* multiple attributes in one SVG property -- e.g., translate, rotate and
* scale are merged in one "transform" attribute in the SVG node.
*
* @private
* @function Highcharts.SVGElement#afterSetters
*/
SVGElement.prototype.afterSetters = function () {
// Update transform. Do this outside the loop to prevent redundant
// updating for batch setting of attributes.
if (this.doTransform) {
this.updateTransform();
this.doTransform = false;
}
};
/**
* Align the element relative to the chart or another box.
*
* @function Highcharts.SVGElement#align
*
* @param {Highcharts.AlignObject} [alignOptions]
* The alignment options. The function can be called without this
* parameter in order to re-align an element after the box has been
* updated.
*
* @param {boolean} [alignByTranslate]
* Align element by translation.
*
* @param {string|Highcharts.BBoxObject} [box]
* The box to align to, needs a width and height. When the box is a
* string, it refers to an object in the Renderer. For example, when
* box is `spacingBox`, it refers to `Renderer.spacingBox` which
* holds `width`, `height`, `x` and `y` properties.
*
* @return {Highcharts.SVGElement} Returns the SVGElement for chaining.
*/
SVGElement.prototype.align = function (alignOptions, alignByTranslate, box) {
var align, vAlign, x, y, attribs = {}, alignTo, renderer = this.renderer, alignedObjects = renderer.alignedObjects, alignFactor, vAlignFactor;
// First call on instanciate
if (alignOptions) {
this.alignOptions = alignOptions;
this.alignByTranslate = alignByTranslate;
if (!box || isString(box)) {
this.alignTo = alignTo = box || 'renderer';
// prevent duplicates, like legendGroup after resize
erase(alignedObjects, this);
alignedObjects.push(this);
box = void 0; // reassign it below
}
// When called on resize, no arguments are supplied
}
else {
alignOptions = this.alignOptions;
alignByTranslate = this.alignByTranslate;
alignTo = this.alignTo;
}
box = pick(box, renderer[alignTo], renderer);
// Assign variables
align = alignOptions.align;
vAlign = alignOptions.verticalAlign;
// default: left align
x = (box.x || 0) + (alignOptions.x || 0);
// default: top align
y = (box.y || 0) + (alignOptions.y || 0);
// Align
if (align === 'right') {
alignFactor = 1;
}
else if (align === 'center') {
alignFactor = 2;
}
if (alignFactor) {
x += (box.width - (alignOptions.width || 0)) /
alignFactor;
}
attribs[alignByTranslate ? 'translateX' : 'x'] = Math.round(x);
// Vertical align
if (vAlign === 'bottom') {
vAlignFactor = 1;
}
else if (vAlign === 'middle') {
vAlignFactor = 2;
}
if (vAlignFactor) {
y += (box.height - (alignOptions.height || 0)) /
vAlignFactor;
}
attribs[alignByTranslate ? 'translateY' : 'y'] = Math.round(y);
// Animate only if already placed
this[this.placed ? 'animate' : 'attr'](attribs);
this.placed = true;
this.alignAttr = attribs;
return this;
};
/**
* @private
* @function Highcharts.SVGElement#alignSetter
* @param {"left"|"center"|"right"} value
*/
SVGElement.prototype.alignSetter = function (value) {
var convert = {
left: 'start',
center: 'middle',
right: 'end'
};
if (convert[value]) {
this.alignValue = value;
this.element.setAttribute('text-anchor', convert[value]);
}
};
/**
* Animate to given attributes or CSS properties.
*
* @sample highcharts/members/element-on/
* Setting some attributes by animation
*
* @function Highcharts.SVGElement#animate
*
* @param {Highcharts.SVGAttributes} params
* SVG attributes or CSS to animate.
*
* @param {boolean|Highcharts.AnimationOptionsObject} [options]
* Animation options.
*
* @param {Function} [complete]
* Function to perform at the end of animation.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.animate = function (params, options, complete) {
var animOptions = animObject(pick(options, this.renderer.globalAnimation, true));
// When the page is hidden save resources in the background by not
// running animation at all (#9749).
if (pick(doc.hidden, doc.msHidden, doc.webkitHidden, false)) {
animOptions.duration = 0;
}
if (animOptions.duration !== 0) {
// allows using a callback with the global animation without
// overwriting it
if (complete) {
animOptions.complete = complete;
}
animate(this, params, animOptions);
}
else {
this.attr(params, void 0, complete);
// Call the end step synchronously
objectEach(params, function (val, prop) {
if (animOptions.step) {
animOptions.step.call(this, val, { prop: prop, pos: 1 });
}
}, this);
}
return this;
};
/**
* Apply a text outline through a custom CSS property, by copying the text
* element and apply stroke to the copy. Used internally. Contrast checks at
* [example](https://jsfiddle.net/highcharts/43soe9m1/2/).
*
* @example
* // Specific color
* text.css({
* textOutline: '1px black'
* });
* // Automatic contrast
* text.css({
* color: '#000000', // black text
* textOutline: '1px contrast' // => white outline
* });
*
* @private
* @function Highcharts.SVGElement#applyTextOutline
*
* @param {string} textOutline
* A custom CSS `text-outline` setting, defined by `width color`.
*/
SVGElement.prototype.applyTextOutline = function (textOutline) {
var elem = this.element, tspans, hasContrast = textOutline.indexOf('contrast') !== -1, styles = {}, color, strokeWidth, firstRealChild;
// When the text shadow is set to contrast, use dark stroke for light
// text and vice versa.
if (hasContrast) {
styles.textOutline = textOutline = textOutline.replace(/contrast/g, this.renderer.getContrast(elem.style.fill));
}
// Extract the stroke width and color
textOutline = textOutline.split(' ');
color = textOutline[textOutline.length - 1];
strokeWidth = textOutline[0];
if (strokeWidth && strokeWidth !== 'none' && H.svg) {
this.fakeTS = true; // Fake text shadow
tspans = [].slice.call(elem.getElementsByTagName('tspan'));
// In order to get the right y position of the clone,
// copy over the y setter
this.ySetter = this.xSetter;
// Since the stroke is applied on center of the actual outline, we
// need to double it to get the correct stroke-width outside the
// glyphs.
strokeWidth = strokeWidth.replace(/(^[\d\.]+)(.*?)$/g, function (match, digit, unit) {
return (2 * digit) + unit;
});
// Remove shadows from previous runs.
this.removeTextOutline(tspans);
// Check if the element contains RTL characters.
// Comparing against Hebrew and Arabic characters,
// excluding Arabic digits. Source:
// https://www.unicode.org/Public/UNIDATA/extracted/DerivedBidiClass.txt
var isRTL_1 = elem.textContent ?
/^[\u0591-\u065F\u066A-\u07FF\uFB1D-\uFDFD\uFE70-\uFEFC]/
.test(elem.textContent) : false;
// For each of the tspans, create a stroked copy behind it.
firstRealChild = elem.firstChild;
tspans.forEach(function (tspan, y) {
var clone;
// Let the first line start at the correct X position
if (y === 0) {
tspan.setAttribute('x', elem.getAttribute('x'));
y = elem.getAttribute('y');
tspan.setAttribute('y', y || 0);
if (y === null) {
elem.setAttribute('y', 0);
}
}
// Create the clone and apply outline properties.
// For RTL elements apply outline properties for orginal element
// to prevent outline from overlapping the text.
// For RTL in Firefox keep the orginal order (#10162).
clone = tspan.cloneNode(true);
attr((isRTL_1 && !isFirefox) ? tspan : clone, {
'class': 'highcharts-text-outline',
fill: color,
stroke: color,
'stroke-width': strokeWidth,
'stroke-linejoin': 'round'
});
elem.insertBefore(clone, firstRealChild);
});
// Create a whitespace between tspan and clone,
// to fix the display of Arabic characters in Firefox.
if (isRTL_1 && isFirefox && tspans[0]) {
var whitespace = tspans[0].cloneNode(true);
whitespace.textContent = ' ';
elem.insertBefore(whitespace, firstRealChild);
}
}
};
/**
* @function Highcharts.SVGElement#attr
* @param {string} key
* @return {number|string}
*/ /**
* Apply native and custom attributes to the SVG elements.
*
* In order to set the rotation center for rotation, set x and y to 0 and
* use `translateX` and `translateY` attributes to position the element
* instead.
*
* Attributes frequently used in Highcharts are `fill`, `stroke`,
* `stroke-width`.
*
* @sample highcharts/members/renderer-rect/
* Setting some attributes
*
* @example
* // Set multiple attributes
* element.attr({
* stroke: 'red',
* fill: 'blue',
* x: 10,
* y: 10
* });
*
* // Set a single attribute
* element.attr('stroke', 'red');
*
* // Get an attribute
* element.attr('stroke'); // => 'red'
*
* @function Highcharts.SVGElement#attr
*
* @param {string|Highcharts.SVGAttributes} [hash]
* The native and custom SVG attributes.
*
* @param {number|string|Highcharts.SVGPathArray} [val]
* If the type of the first argument is `string`, the second can be a
* value, which will serve as a single attribute setter. If the first
* argument is a string and the second is undefined, the function
* serves as a getter and the current value of the property is
* returned.
*
* @param {Function} [complete]
* A callback function to execute after setting the attributes. This
* makes the function compliant and interchangeable with the
* {@link SVGElement#animate} function.
*
* @param {boolean} [continueAnimation=true]
* Used internally when `.attr` is called as part of an animation
* step. Otherwise, calling `.attr` for an attribute will stop
* animation for that attribute.
*
* @return {Highcharts.SVGElement}
* If used as a setter, it returns the current
* {@link Highcharts.SVGElement} so the calls can be chained. If
* used as a getter, the current value of the attribute is returned.
*/
SVGElement.prototype.attr = function (hash, val, complete, continueAnimation) {
var key, element = this.element, hasSetSymbolSize, ret = this, skipAttr, setter, symbolCustomAttribs = this.symbolCustomAttribs;
// single key-value pair
if (typeof hash === 'string' && typeof val !== 'undefined') {
key = hash;
hash = {};
hash[key] = val;
}
// used as a getter: first argument is a string, second is undefined
if (typeof hash === 'string') {
ret = (this[hash + 'Getter'] ||
this._defaultGetter).call(this, hash, element);
// setter
}
else {
objectEach(hash, function eachAttribute(val, key) {
skipAttr = false;
// Unless .attr is from the animator update, stop current
// running animation of this property
if (!continueAnimation) {
stop(this, key);
}
// Special handling of symbol attributes
if (this.symbolName &&
inArray(key, symbolCustomAttribs) !== -1) {
if (!hasSetSymbolSize) {
this.symbolAttr(hash);
hasSetSymbolSize = true;
}
skipAttr = true;
}
if (this.rotation && (key === 'x' || key === 'y')) {
this.doTransform = true;
}
if (!skipAttr) {
setter = (this[key + 'Setter'] ||
this._defaultSetter);
setter.call(this, val, key, element);
// Let the shadow follow the main element
if (!this.styledMode &&
this.shadows &&
/^(width|height|visibility|x|y|d|transform|cx|cy|r)$/.test(key)) {
this.updateShadows(key, val, setter);
}
}
}, this);
this.afterSetters();
}
// In accordance with animate, run a complete callback
if (complete) {
complete.call(this);
}
return ret;
};
/**
* Apply a clipping rectangle to this element.
*
* @function Highcharts.SVGElement#clip
*
* @param {Highcharts.ClipRectElement} [clipRect]
* The clipping rectangle. If skipped, the current clip is removed.
*
* @return {Highcharts.SVGElement}
* Returns the SVG element to allow chaining.
*/
SVGElement.prototype.clip = function (clipRect) {
return this.attr('clip-path', clipRect ?
'url(' + this.renderer.url + '#' + clipRect.id + ')' :
'none');
};
/**
* Calculate the coordinates needed for drawing a rectangle crisply and
* return the calculated attributes.
*
* @function Highcharts.SVGElement#crisp
*
* @param {Highcharts.RectangleObject} rect
* Rectangle to crisp.
*
* @param {number} [strokeWidth]
* The stroke width to consider when computing crisp positioning. It can
* also be set directly on the rect parameter.
*
* @return {Highcharts.RectangleObject}
* The modified rectangle arguments.
*/
SVGElement.prototype.crisp = function (rect, strokeWidth) {
var wrapper = this, normalizer;
strokeWidth = strokeWidth || rect.strokeWidth || 0;
// Math.round because strokeWidth can sometimes have roundoff errors
normalizer = Math.round(strokeWidth) % 2 / 2;
// normalize for crisp edges
rect.x = Math.floor(rect.x || wrapper.x || 0) + normalizer;
rect.y = Math.floor(rect.y || wrapper.y || 0) + normalizer;
rect.width = Math.floor((rect.width || wrapper.width || 0) - 2 * normalizer);
rect.height = Math.floor((rect.height || wrapper.height || 0) - 2 * normalizer);
if (defined(rect.strokeWidth)) {
rect.strokeWidth = strokeWidth;
}
return rect;
};
/**
* Build and apply an SVG gradient out of a common JavaScript configuration
* object. This function is called from the attribute setters. An event
* hook is added for supporting other complex color types.
*
* @private
* @function Highcharts.SVGElement#complexColor
*
* @param {Highcharts.GradientColorObject|Highcharts.PatternObject} colorOptions
* The gradient or pattern options structure.
*
* @param {string} prop
* The property to apply, can either be `fill` or `stroke`.
*
* @param {Highcharts.SVGDOMElement} elem
* SVG element to apply the gradient on.
*/
SVGElement.prototype.complexColor = function (colorOptions, prop, elem) {
var renderer = this.renderer, colorObject, gradName, gradAttr, radAttr, gradients, stops, stopColor, stopOpacity, radialReference, id, key = [], value;
fireEvent(this.renderer, 'complexColor', {
args: arguments
}, function () {
// Apply linear or radial gradients
if (colorOptions.radialGradient) {
gradName = 'radialGradient';
}
else if (colorOptions.linearGradient) {
gradName = 'linearGradient';
}
if (gradName) {
gradAttr = colorOptions[gradName];
gradients = renderer.gradients;
stops = colorOptions.stops;
radialReference = elem.radialReference;
// Keep < 2.2 kompatibility
if (isArray(gradAttr)) {
colorOptions[gradName] = gradAttr = {
x1: gradAttr[0],
y1: gradAttr[1],
x2: gradAttr[2],
y2: gradAttr[3],
gradientUnits: 'userSpaceOnUse'
};
}
// Correct the radial gradient for the radial reference system
if (gradName === 'radialGradient' &&
radialReference &&
!defined(gradAttr.gradientUnits)) {
// Save the radial attributes for updating
radAttr = gradAttr;
gradAttr = merge(gradAttr, renderer.getRadialAttr(radialReference, radAttr), { gradientUnits: 'userSpaceOnUse' });
}
// Build the unique key to detect whether we need to create a
// new element (#1282)
objectEach(gradAttr, function (val, n) {
if (n !== 'id') {
key.push(n, val);
}
});
objectEach(stops, function (val) {
key.push(val);
});
key = key.join(',');
// Check if a gradient object with the same config object is
// created within this renderer
if (gradients[key]) {
id = gradients[key].attr('id');
}
else {
// Set the id and create the element
gradAttr.id = id = uniqueKey();
var gradientObject_1 = gradients[key] =
renderer.createElement(gradName)
.attr(gradAttr)
.add(renderer.defs);
gradientObject_1.radAttr = radAttr;
// The gradient needs to keep a list of stops to be able to
// destroy them
gradientObject_1.stops = [];
stops.forEach(function (stop) {
var stopObject;
if (stop[1].indexOf('rgba') === 0) {
colorObject = Color.parse(stop[1]);
stopColor = colorObject.get('rgb');
stopOpacity = colorObject.get('a');
}
else {
stopColor = stop[1];
stopOpacity = 1;
}
stopObject = renderer.createElement('stop').attr({
offset: stop[0],
'stop-color': stopColor,
'stop-opacity': stopOpacity
}).add(gradientObject_1);
// Add the stop element to the gradient
gradientObject_1.stops.push(stopObject);
});
}
// Set the reference to the gradient object
value = 'url(' + renderer.url + '#' + id + ')';
elem.setAttribute(prop, value);
elem.gradient = key;
// Allow the color to be concatenated into tooltips formatters
// etc. (#2995)
colorOptions.toString = function () {
return value;
};
}
});
};
/**
* Set styles for the element. In addition to CSS styles supported by
* native SVG and HTML elements, there are also some custom made for
* Highcharts, like `width`, `ellipsis` and `textOverflow` for SVG text
* elements.
*
* @sample highcharts/members/renderer-text-on-chart/
* Styled text
*
* @function Highcharts.SVGElement#css
*
* @param {Highcharts.CSSObject} styles
* The new CSS styles.
*
* @return {Highcharts.SVGElement}
* Return the SVG element for chaining.
*/
SVGElement.prototype.css = function (styles) {
var oldStyles = this.styles, newStyles = {}, elem = this.element, textWidth, serializedCss = '', hyphenate, hasNew = !oldStyles,
// These CSS properties are interpreted internally by the SVG
// renderer, but are not supported by SVG and should not be added to
// the DOM. In styled mode, no CSS should find its way to the DOM
// whatsoever (#6173, #6474).
svgPseudoProps = ['textOutline', 'textOverflow', 'width'];
// convert legacy
if (styles && styles.color) {
styles.fill = styles.color;
}
// Filter out existing styles to increase performance (#2640)
if (oldStyles) {
objectEach(styles, function (style, n) {
if (oldStyles && oldStyles[n] !== style) {
newStyles[n] = style;
hasNew = true;
}
});
}
if (hasNew) {
// Merge the new styles with the old ones
if (oldStyles) {
styles = extend(oldStyles, newStyles);
}
// Get the text width from style
if (styles) {
// Previously set, unset it (#8234)
if (styles.width === null || styles.width === 'auto') {
delete this.textWidth;
// Apply new
}
else if (elem.nodeName.toLowerCase() === 'text' &&
styles.width) {
textWidth = this.textWidth = pInt(styles.width);
}
}
// store object
this.styles = styles;
if (textWidth && (!svg && this.renderer.forExport)) {
delete styles.width;
}
// Serialize and set style attribute
if (elem.namespaceURI === this.SVG_NS) { // #7633
hyphenate = function (a, b) {
return '-' + b.toLowerCase();
};
objectEach(styles, function (style, n) {
if (svgPseudoProps.indexOf(n) === -1) {
serializedCss +=
n.replace(/([A-Z])/g, hyphenate) + ':' +
style + ';';
}
});
if (serializedCss) {
attr(elem, 'style', serializedCss); // #1881
}
}
else {
css(elem, styles);
}
if (this.added) {
// Rebuild text after added. Cache mechanisms in the buildText
// will prevent building if there are no significant changes.
if (this.element.nodeName === 'text') {
this.renderer.buildText(this);
}
// Apply text outline after added
if (styles && styles.textOutline) {
this.applyTextOutline(styles.textOutline);
}
}
}
return this;
};
/**
* @private
* @function Highcharts.SVGElement#dashstyleSetter
* @param {string} value
*/
SVGElement.prototype.dashstyleSetter = function (value) {
var i, strokeWidth = this['stroke-width'];
// If "inherit", like maps in IE, assume 1 (#4981). With HC5 and the new
// strokeWidth function, we should be able to use that instead.
if (strokeWidth === 'inherit') {
strokeWidth = 1;
}
value = value && value.toLowerCase();
if (value) {
var v = value
.replace('shortdashdotdot', '3,1,1,1,1,1,')
.replace('shortdashdot', '3,1,1,1')
.replace('shortdot', '1,1,')
.replace('shortdash', '3,1,')
.replace('longdash', '8,3,')
.replace(/dot/g, '1,3,')
.replace('dash', '4,3,')
.replace(/,$/, '')
.split(','); // ending comma
i = v.length;
while (i--) {
v[i] = '' + (pInt(v[i]) * pick(strokeWidth, NaN));
}
value = v.join(',').replace(/NaN/g, 'none'); // #3226
this.element.setAttribute('stroke-dasharray', value);
}
};
/**
* Destroy the element and element wrapper and clear up the DOM and event
* hooks.
*
* @function Highcharts.SVGElement#destroy
*/
SVGElement.prototype.destroy = function () {
var wrapper = this, element = wrapper.element || {}, renderer = wrapper.renderer, parentToClean = (renderer.isSVG &&
element.nodeName === 'SPAN' &&
wrapper.parentGroup ||
void 0), grandParent, ownerSVGElement = element.ownerSVGElement, i;
// remove events
element.onclick = element.onmouseout = element.onmouseover =
element.onmousemove = element.point = null;
stop(wrapper); // stop running animations
if (wrapper.clipPath && ownerSVGElement) {
var clipPath_1 = wrapper.clipPath;
// Look for existing references to this clipPath and remove them
// before destroying the element (#6196).
// The upper case version is for Edge
[].forEach.call(ownerSVGElement.querySelectorAll('[clip-path],[CLIP-PATH]'), function (el) {
var clipPathAttr = el.getAttribute('clip-path');
if (clipPathAttr.indexOf(clipPath_1.element.id) > -1) {
el.removeAttribute('clip-path');
}
});
wrapper.clipPath = clipPath_1.destroy();
}
// Destroy stops in case this is a gradient object @todo old code?
if (wrapper.stops) {
for (i = 0; i < wrapper.stops.length; i++) {
wrapper.stops[i].destroy();
}
wrapper.stops.length = 0;
wrapper.stops = void 0;
}
// remove element
wrapper.safeRemoveChild(element);
if (!renderer.styledMode) {
wrapper.destroyShadows();
}
// In case of useHTML, clean up empty containers emulating SVG groups
// (#1960, #2393, #2697).
while (parentToClean &&
parentToClean.div &&
parentToClean.div.childNodes.length === 0) {
grandParent = parentToClean.parentGroup;
wrapper.safeRemoveChild(parentToClean.div);
delete parentToClean.div;
parentToClean = grandParent;
}
// remove from alignObjects
if (wrapper.alignTo) {
erase(renderer.alignedObjects, wrapper);
}
objectEach(wrapper, function (val, key) {
// Destroy child elements of a group
if (wrapper[key] &&
wrapper[key].parentGroup === wrapper &&
wrapper[key].destroy) {
wrapper[key].destroy();
}
// Delete all properties
delete wrapper[key];
});
return;
};
/**
* Destroy shadows on the element.
*
* @private
* @function Highcharts.SVGElement#destroyShadows
*
* @return {void}
*/
SVGElement.prototype.destroyShadows = function () {
(this.shadows || []).forEach(function (shadow) {
this.safeRemoveChild(shadow);
}, this);
this.shadows = void 0;
};
/**
* @private
*/
SVGElement.prototype.destroyTextPath = function (elem, path) {
var textElement = elem.getElementsByTagName('text')[0];
var tspans;
if (textElement) {
// Remove textPath attributes
textElement.removeAttribute('dx');
textElement.removeAttribute('dy');
// Remove ID's:
path.element.setAttribute('id', '');
// Check if textElement includes textPath,
if (this.textPathWrapper &&
textElement.getElementsByTagName('textPath').length) {
// Move nodes to <text>
tspans = this.textPathWrapper.element.childNodes;
// Now move all <tspan>'s to the <textPath> node
while (tspans.length) {
textElement.appendChild(tspans[0]);
}
// Remove <textPath> from the DOM
textElement.removeChild(this.textPathWrapper.element);
}
}
else if (elem.getAttribute('dx') || elem.getAttribute('dy')) {
// Remove textPath attributes from elem
// to get correct text-outline position
elem.removeAttribute('dx');
elem.removeAttribute('dy');
}
if (this.textPathWrapper) {
// Set textPathWrapper to undefined and destroy it
this.textPathWrapper = this.textPathWrapper.destroy();
}
};
/**
* @private
* @function Highcharts.SVGElement#dSettter
* @param {number|string|Highcharts.SVGPathArray} value
* @param {string} key
* @param {Highcharts.SVGDOMElement} element
*/
SVGElement.prototype.dSetter = function (value, key, element) {
if (isArray(value)) {
// Backwards compatibility, convert one-dimensional array into an
// array of segments
if (typeof value[0] === 'string') {
value = this.renderer.pathToSegments(value);
}
this.pathArray = value;
value = value.reduce(function (acc, seg, i) {
if (!seg || !seg.join) {
return (seg || '').toString();
}
return (i ? acc + ' ' : '') + seg.join(' ');
}, '');
}
if (/(NaN| {2}|^$)/.test(value)) {
value = 'M 0 0';
}
// Check for cache before resetting. Resetting causes disturbance in the
// DOM, causing flickering in some cases in Edge/IE (#6747). Also
// possible performance gain.
if (this[key] !== value) {
element.setAttribute(key, value);
this[key] = value;
}
};
/**
* Fade out an element by animating its opacity down to 0, and hide it on
* complete. Used internally for the tooltip.
*
* @function Highcharts.SVGElement#fadeOut
*
* @param {number} [duration=150]
* The fade duration in milliseconds.
*/
SVGElement.prototype.fadeOut = function (duration) {
var elemWrapper = this;
elemWrapper.animate({
opacity: 0
}, {
duration: pick(duration, 150),
complete: function () {
// #3088, assuming we're only using this for tooltips
elemWrapper.attr({ y: -9999 }).hide();
}
});
};
/**
* @private
* @function Highcharts.SVGElement#fillSetter
* @param {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject} value
* @param {string} key
* @param {Highcharts.SVGDOMElement} element
*/
SVGElement.prototype.fillSetter = function (value, key, element) {
if (typeof value === 'string') {
element.setAttribute(key, value);
}
else if (value) {
this.complexColor(value, key, element);
}
};
/**
* Get the bounding box (width, height, x and y) for the element. Generally
* used to get rendered text size. Since this is called a lot in charts,
* the results are cached based on text properties, in order to save DOM
* traffic. The returned bounding box includes the rotation, so for example
* a single text line of rotation 90 will report a greater height, and a
* width corresponding to the line-height.
*
* @sample highcharts/members/renderer-on-chart/
* Draw a rectangle based on a text's bounding box
*
* @function Highcharts.SVGElement#getBBox
*
* @param {boolean} [reload]
* Skip the cache and get the updated DOM bouding box.
*
* @param {number} [rot]
* Override the element's rotation. This is internally used on axis
* labels with a value of 0 to find out what the bounding box would
* be have been if it were not rotated.
*
* @return {Highcharts.BBoxObject}
* The bounding box with `x`, `y`, `width` and `height` properties.
*/
SVGElement.prototype.getBBox = function (reload, rot) {
var wrapper = this, bBox, // = wrapper.bBox,
renderer = wrapper.renderer, width, height, element = wrapper.element, styles = wrapper.styles, fontSize, textStr = wrapper.textStr, toggleTextShadowShim, cache = renderer.cache, cacheKeys = renderer.cacheKeys, isSVG = element.namespaceURI === wrapper.SVG_NS, cacheKey;
var rotation = pick(rot, wrapper.rotation, 0);
fontSize = renderer.styledMode ? (element &&
SVGElement.prototype.getStyle.call(element, 'font-size')) : (styles && styles.fontSize);
// Avoid undefined and null (#7316)
if (defined(textStr)) {
cacheKey = textStr.toString();
// Since numbers are monospaced, and numerical labels appear a lot
// in a chart, we assume that a label of n characters has the same
// bounding box as others of the same length. Unless there is inner
// HTML in the label. In that case, leave the numbers as is (#5899).
if (cacheKey.indexOf('<') === -1) {
cacheKey = cacheKey.replace(/[0-9]/g, '0');
}
// Properties that affect bounding box
cacheKey += [
'',
rotation,
fontSize,
wrapper.textWidth,
styles && styles.textOverflow,
styles && styles.fontWeight // #12163
].join(',');
}
if (cacheKey && !reload) {
bBox = cache[cacheKey];
}
// No cache found
if (!bBox) {
// SVG elements
if (isSVG || renderer.forExport) {
try { // Fails in Firefox if the container has display: none.
// When the text shadow shim is used, we need to hide the
// fake shadows to get the correct bounding box (#3872)
toggleTextShadowShim = this.fakeTS && function (display) {
[].forEach.call(element.querySelectorAll('.highcharts-text-outline'), function (tspan) {
tspan.style.display = display;
});
};
// Workaround for #3842, Firefox reporting wrong bounding
// box for shadows
if (isFunction(toggleTextShadowShim)) {
toggleTextShadowShim('none');
}
bBox = element.getBBox ?
// SVG: use extend because IE9 is not allowed to change
// width and height in case of rotation (below)
extend({}, element.getBBox()) : {
// Legacy IE in export mode
width: element.offsetWidth,
height: element.offsetHeight
};
// #3842
if (isFunction(toggleTextShadowShim)) {
toggleTextShadowShim('');
}
}
catch (e) {
'';
}
// If the bBox is not set, the try-catch block above failed. The
// other condition is for Opera that returns a width of
// -Infinity on hidden elements.
if (!bBox || bBox.width < 0) {
bBox = { width: 0, height: 0 };
}
// VML Renderer or useHTML within SVG
}
else {
bBox = wrapper.htmlGetBBox();
}
// True SVG elements as well as HTML elements in modern browsers
// using the .useHTML option need to compensated for rotation
if (renderer.isSVG) {
width = bBox.width;
height = bBox.height;
// Workaround for wrong bounding box in IE, Edge and Chrome on
// Windows. With Highcharts' default font, IE and Edge report
// a box height of 16.899 and Chrome rounds it to 17. If this
// stands uncorrected, it results in more padding added below
// the text than above when adding a label border or background.
// Also vertical positioning is affected.
// https://jsfiddle.net/highcharts/em37nvuj/
// (#1101, #1505, #1669, #2568, #6213).
if (isSVG) {
bBox.height = height = ({
'11px,17': 14,
'13px,20': 16
}[styles &&
styles.fontSize + ',' + Math.round(height)] ||
height);
}
// Adjust for rotated text
if (rotation) {
var rad = rotation * deg2rad;
bBox.width = Math.abs(height * Math.sin(rad)) +
Math.abs(width * Math.cos(rad));
bBox.height = Math.abs(height * Math.cos(rad)) +
Math.abs(width * Math.sin(rad));
}
}
// Cache it. When loading a chart in a hidden iframe in Firefox and
// IE/Edge, the bounding box height is 0, so don't cache it (#5620).
if (cacheKey && bBox.height > 0) {
// Rotate (#4681)
while (cacheKeys.length > 250) {
delete cache[cacheKeys.shift()];
}
if (!cache[cacheKey]) {
cacheKeys.push(cacheKey);
}
cache[cacheKey] = bBox;
}
}
return bBox;
};
/**
* Get the computed style. Only in styled mode.
*
* @example
* chart.series[0].points[0].graphic.getStyle('stroke-width'); // => '1px'
*
* @function Highcharts.SVGElement#getStyle
*
* @param {string} prop
* The property name to check for.
*
* @return {string}
* The current computed value.
*/
SVGElement.prototype.getStyle = function (prop) {
return win
.getComputedStyle(this.element || this, '')
.getPropertyValue(prop);
};
/**
* Check if an element has the given class name.
*
* @function Highcharts.SVGElement#hasClass
*
* @param {string} className
* The class name to check for.
*
* @return {boolean}
* Whether the class name is found.
*/
SVGElement.prototype.hasClass = function (className) {
return ('' + this.attr('class'))
.split(' ')
.indexOf(className) !== -1;
};
/**
* Hide the element, similar to setting the `visibility` attribute to
* `hidden`.
*
* @function Highcharts.SVGElement#hide
*
* @param {boolean} [hideByTranslation=false]
* The flag to determine if element should be hidden by moving out
* of the viewport. Used for example for dataLabels.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.hide = function (hideByTranslation) {
if (hideByTranslation) {
this.attr({ y: -9999 });
}
else {
this.attr({ visibility: 'hidden' });
}
return this;
};
/**
* @private
*/
SVGElement.prototype.htmlGetBBox = function () {
return { height: 0, width: 0, x: 0, y: 0 };
};
/**
* Initialize the SVG element. This function only exists to make the
* initialization process overridable. It should not be called directly.
*
* @function Highcharts.SVGElement#init
*
* @param {Highcharts.SVGRenderer} renderer
* The SVGRenderer instance to initialize to.
*
* @param {string} nodeName
* The SVG node name.
*/
SVGElement.prototype.init = function (renderer, nodeName) {
/**
* The primary DOM node. Each `SVGElement` instance wraps a main DOM
* node, but may also represent more nodes.
*
* @name Highcharts.SVGElement#element
* @type {Highcharts.SVGDOMElement|Highcharts.HTMLDOMElement}
*/
this.element = nodeName === 'span' ?
createElement(nodeName) :
doc.createElementNS(this.SVG_NS, nodeName);
/**
* The renderer that the SVGElement belongs to.
*
* @name Highcharts.SVGElement#renderer
* @type {Highcharts.SVGRenderer}
*/
this.renderer = renderer;
fireEvent(this, 'afterInit');
};
/**
* Invert a group, rotate and flip. This is used internally on inverted
* charts, where the points and graphs are drawn as if not inverted, then
* the series group elements are inverted.
*
* @function Highcharts.SVGElement#invert
*
* @param {boolean} inverted
* Whether to invert or not. An inverted shape can be un-inverted by
* setting it to false.
*
* @return {Highcharts.SVGElement}
* Return the SVGElement for chaining.
*/
SVGElement.prototype.invert = function (inverted) {
var wrapper = this;
wrapper.inverted = inverted;
wrapper.updateTransform();
return wrapper;
};
/**
* Add an event listener. This is a simple setter that replaces all other
* events of the same type, opposed to the {@link Highcharts#addEvent}
* function.
*
* @sample highcharts/members/element-on/
* A clickable rectangle
*
* @function Highcharts.SVGElement#on
*
* @param {string} eventType
* The event type. If the type is `click`, Highcharts will internally
* translate it to a `touchstart` event on touch devices, to prevent the
* browser from waiting for a click event from firing.
*
* @param {Function} handler
* The handler callback.
*
* @return {Highcharts.SVGElement}
* The SVGElement for chaining.
*/
SVGElement.prototype.on = function (eventType, handler) {
var svgElement = this, element = svgElement.element, touchStartPos, touchEventFired;
// touch
if (hasTouch && eventType === 'click') {
element.ontouchstart = function (e) {
// save touch position for later calculation
touchStartPos = {
clientX: e.touches[0].clientX,
clientY: e.touches[0].clientY
};
};
// Instead of ontouchstart, event handlers should be called
// on touchend - similar to how current mouseup events are called
element.ontouchend = function (e) {
// hasMoved is a boolean variable containing logic if page
// was scrolled, so if touch position changed more than
// ~4px (value borrowed from general touch handler)
var hasMoved = touchStartPos.clientX ? Math.sqrt(Math.pow(touchStartPos.clientX - e.changedTouches[0].clientX, 2) +
Math.pow(touchStartPos.clientY - e.changedTouches[0].clientY, 2)) >= 4 : false;
if (!hasMoved) { // only call handlers if page was not scrolled
handler.call(element, e);
}
touchEventFired = true;
// prevent other events from being fired. #9682
e.preventDefault();
};
element.onclick = function (e) {
// Do not call onclick handler if touch event was fired already.
if (!touchEventFired) {
handler.call(element, e);
}
};
}
else {
// simplest possible event model for internal use
element['on' + eventType] = handler;
}
return this;
};
/**
* @private
* @function Highcharts.SVGElement#opacitySetter
* @param {string} value
* @param {string} key
* @param {Highcharts.SVGDOMElement} element
*/
SVGElement.prototype.opacitySetter = function (value, key, element) {
this[key] = value;
element.setAttribute(key, value);
};
/**
* Remove a class name from the element.
*
* @function Highcharts.SVGElement#removeClass
*
* @param {string|RegExp} className
* The class name to remove.
*
* @return {Highcharts.SVGElement} Returns the SVG element for chainability.
*/
SVGElement.prototype.removeClass = function (className) {
return this.attr('class', ('' + this.attr('class')).replace(isString(className) ?
new RegExp(" ?" + className + " ?") : // #12064
className, ''));
};
/**
* @private
* @param {Array<Highcharts.SVGDOMElement>} tspans
* Text spans.
*/
SVGElement.prototype.removeTextOutline = function (tspans) {
// Iterate from the end to
// support removing items inside the cycle (#6472).
var i = tspans.length, tspan;
while (i--) {
tspan = tspans[i];
if (tspan.getAttribute('class') === 'highcharts-text-outline') {
// Remove then erase
erase(tspans, this.element.removeChild(tspan));
}
}
};
/**
* Removes an element from the DOM.
*
* @private
* @function Highcharts.SVGElement#safeRemoveChild
*
* @param {Highcharts.SVGDOMElement|Highcharts.HTMLDOMElement} element
* The DOM node to remove.
*/
SVGElement.prototype.safeRemoveChild = function (element) {
var parentNode = element.parentNode;
if (parentNode) {
parentNode.removeChild(element);
}
};
/**
* Set the coordinates needed to draw a consistent radial gradient across
* a shape regardless of positioning inside the chart. Used on pie slices
* to make all the slices have the same radial reference point.
*
* @function Highcharts.SVGElement#setRadialReference
*
* @param {Array<number>} coordinates
* The center reference. The format is `[centerX, centerY, diameter]` in
* pixels.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.setRadialReference = function (coordinates) {
var existingGradient = (this.element.gradient &&
this.renderer.gradients[this.element.gradient]);
this.element.radialReference = coordinates;
// On redrawing objects with an existing gradient, the gradient needs
// to be repositioned (#3801)
if (existingGradient && existingGradient.radAttr) {
existingGradient.animate(this.renderer.getRadialAttr(coordinates, existingGradient.radAttr));
}
return this;
};
/**
* @private
* @function Highcharts.SVGElement#setTextPath
* @param {Highcharts.SVGElement} path
* Path to follow.
* @param {Highcharts.DataLabelsTextPathOptionsObject} textPathOptions
* Options.
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.setTextPath = function (path, textPathOptions) {
var elem = this.element, attribsMap = {
textAnchor: 'text-anchor'
}, attrs, adder = false, textPathElement, textPathId, textPathWrapper = this.textPathWrapper, tspans, firstTime = !textPathWrapper;
// Defaults
textPathOptions = merge(true, {
enabled: true,
attributes: {
dy: -5,
startOffset: '50%',
textAnchor: 'middle'
}
}, textPathOptions);
attrs = textPathOptions.attributes;
if (path && textPathOptions && textPathOptions.enabled) {
// In case of fixed width for a text, string is rebuilt
// (e.g. ellipsis is applied), so we need to rebuild textPath too
if (textPathWrapper &&
textPathWrapper.element.parentNode === null) {
// When buildText functionality was triggered again
// and deletes textPathWrapper parentNode
firstTime = true;
textPathWrapper = textPathWrapper.destroy();
}
else if (textPathWrapper) {
// Case after drillup when spans were added into
// the DOM outside the textPathWrapper parentGroup
this.removeTextOutline.call(textPathWrapper.parentGroup, [].slice.call(elem.getElementsByTagName('tspan')));
}
// label() has padding, text() doesn't
if (this.options && this.options.padding) {
attrs.dx = -this.options.padding;
}
if (!textPathWrapper) {
// Create <textPath>, defer the DOM adder
this.textPathWrapper = textPathWrapper =
this.renderer.createElement('textPath');
adder = true;
}
textPathElement = textPathWrapper.element;
// Set ID for the path
textPathId = path.element.getAttribute('id');
if (!textPathId) {
path.element.setAttribute('id', textPathId = uniqueKey());
}
// Change DOM structure, by placing <textPath> tag in <text>
if (firstTime) {
tspans = elem.getElementsByTagName('tspan');
// Now move all <tspan>'s to the <textPath> node
while (tspans.length) {
// Remove "y" from tspans, as Firefox translates them
tspans[0].setAttribute('y', 0);
// Remove "x" from tspans
if (isNumber(attrs.dx)) {
tspans[0].setAttribute('x', -attrs.dx);
}
textPathElement.appendChild(tspans[0]);
}
}
// Add <textPath> to the DOM
if (adder &&
textPathWrapper) {
textPathWrapper.add({
// label() is placed in a group, text() is standalone
element: this.text ? this.text.element : elem
});
}
// Set basic options:
// Use `setAttributeNS` because Safari needs this..
textPathElement.setAttributeNS('http://www.w3.org/1999/xlink', 'href', this.renderer.url + '#' + textPathId);
// Presentation attributes:
// dx/dy options must by set on <text> (parent),
// the rest should be set on <textPath>
if (defined(attrs.dy)) {
textPathElement.parentNode
.setAttribute('dy', attrs.dy);
delete attrs.dy;
}
if (defined(attrs.dx)) {
textPathElement.parentNode
.setAttribute('dx', attrs.dx);
delete attrs.dx;
}
// Additional attributes
objectEach(attrs, function (val, key) {
textPathElement.setAttribute(attribsMap[key] || key, val);
});
// Remove translation, text that follows path does not need that
elem.removeAttribute('transform');
// Remove shadows and text outlines
this.removeTextOutline.call(textPathWrapper, [].slice.call(elem.getElementsByTagName('tspan')));
// Remove background and border for label(), see #10545
// Alternatively, we can disable setting background rects in
// series.drawDataLabels()
if (this.text && !this.renderer.styledMode) {
this.attr({
fill: 'none',
'stroke-width': 0
});
}
// Disable some functions
this.updateTransform = noop;
this.applyTextOutline = noop;
}
else if (textPathWrapper) {
// Reset to prototype
delete this.updateTransform;
delete this.applyTextOutline;
// Restore DOM structure:
this.destroyTextPath(elem, path);
// Bring attributes back
this.updateTransform();
// Set textOutline back for text()
if (this.options && this.options.rotation) {
this.applyTextOutline(this.options.style.textOutline);
}
}
return this;
};
/**
* Add a shadow to the element. Must be called after the element is added to
* the DOM. In styled mode, this method is not used, instead use `defs` and
* filters.
*
* @example
* renderer.rect(10, 100, 100, 100)
* .attr({ fill: 'red' })
* .shadow(true);
*
* @function Highcharts.SVGElement#shadow
*
* @param {boolean|Highcharts.ShadowOptionsObject} [shadowOptions]
* The shadow options. If `true`, the default options are applied. If
* `false`, the current shadow will be removed.
*
* @param {Highcharts.SVGElement} [group]
* The SVG group element where the shadows will be applied. The
* default is to add it to the same parent as the current element.
* Internally, this is ised for pie slices, where all the shadows are
* added to an element behind all the slices.
*
* @param {boolean} [cutOff]
* Used internally for column shadows.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.shadow = function (shadowOptions, group, cutOff) {
var shadows = [], i, shadow, element = this.element, strokeWidth, shadowElementOpacity, update = false, oldShadowOptions = this.oldShadowOptions,
// compensate for inverted plot area
transform;
var defaultShadowOptions = {
color: '#000000',
offsetX: 1,
offsetY: 1,
opacity: 0.15,
width: 3
};
var options;
if (shadowOptions === true) {
options = defaultShadowOptions;
}
else if (typeof shadowOptions === 'object') {
options = extend(defaultShadowOptions, shadowOptions);
}
// Update shadow when options change (#12091).
if (options) {
// Go over each key to look for change
if (options && oldShadowOptions) {
objectEach(options, function (value, key) {
if (value !== oldShadowOptions[key]) {
update = true;
}
});
}
if (update) {
this.destroyShadows();
}
this.oldShadowOptions = options;
}
if (!options) {
this.destroyShadows();
}
else if (!this.shadows) {
shadowElementOpacity = options.opacity / options.width;
transform = this.parentInverted ?
'translate(-1,-1)' :
"translate(" + options.offsetX + ", " + options.offsetY + ")";
for (i = 1; i <= options.width; i++) {
shadow = element.cloneNode(false);
strokeWidth = (options.width * 2) + 1 - (2 * i);
attr(shadow, {
stroke: (shadowOptions.color ||
'#000000'),
'stroke-opacity': shadowElementOpacity * i,
'stroke-width': strokeWidth,
transform: transform,
fill: 'none'
});
shadow.setAttribute('class', (shadow.getAttribute('class') || '') + ' highcharts-shadow');
if (cutOff) {
attr(shadow, 'height', Math.max(attr(shadow, 'height') - strokeWidth, 0));
shadow.cutHeight = strokeWidth;
}
if (group) {
group.element.appendChild(shadow);
}
else if (element.parentNode) {
element.parentNode.insertBefore(shadow, element);
}
shadows.push(shadow);
}
this.shadows = shadows;
}
return this;
};
/**
* Show the element after it has been hidden.
*
* @function Highcharts.SVGElement#show
*
* @param {boolean} [inherit=false]
* Set the visibility attribute to `inherit` rather than `visible`.
* The difference is that an element with `visibility="visible"`
* will be visible even if the parent is hidden.
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.show = function (inherit) {
return this.attr({ visibility: inherit ? 'inherit' : 'visible' });
};
/**
* WebKit and Batik have problems with a stroke-width of zero, so in this
* case we remove the stroke attribute altogether. #1270, #1369, #3065,
* #3072.
*
* @private
* @function Highcharts.SVGElement#strokeSetter
* @param {number|string} value
* @param {string} key
* @param {Highcharts.SVGDOMElement} element
*/
SVGElement.prototype.strokeSetter = function (value, key, element) {
this[key] = value;
// Only apply the stroke attribute if the stroke width is defined and
// larger than 0
if (this.stroke && this['stroke-width']) {
// Use prototype as instance may be overridden
SVGElement.prototype.fillSetter.call(this, this.stroke, 'stroke', element);
element.setAttribute('stroke-width', this['stroke-width']);
this.hasStroke = true;
}
else if (key === 'stroke-width' && value === 0 && this.hasStroke) {
element.removeAttribute('stroke');
this.hasStroke = false;
}
else if (this.renderer.styledMode && this['stroke-width']) {
element.setAttribute('stroke-width', this['stroke-width']);
this.hasStroke = true;
}
};
/**
* Get the computed stroke width in pixel values. This is used extensively
* when drawing shapes to ensure the shapes are rendered crisp and
* positioned correctly relative to each other. Using
* `shape-rendering: crispEdges` leaves us less control over positioning,
* for example when we want to stack columns next to each other, or position
* things pixel-perfectly within the plot box.
*
* The common pattern when placing a shape is:
* - Create the SVGElement and add it to the DOM. In styled mode, it will
* now receive a stroke width from the style sheet. In classic mode we
* will add the `stroke-width` attribute.
* - Read the computed `elem.strokeWidth()`.
* - Place it based on the stroke width.
*
* @function Highcharts.SVGElement#strokeWidth
*
* @return {number}
* The stroke width in pixels. Even if the given stroke widtch (in CSS or by
* attributes) is based on `em` or other units, the pixel size is returned.
*/
SVGElement.prototype.strokeWidth = function () {
// In non-styled mode, read the stroke width as set by .attr
if (!this.renderer.styledMode) {
return this['stroke-width'] || 0;
}
// In styled mode, read computed stroke width
var val = this.getStyle('stroke-width'), ret = 0, dummy;
// Read pixel values directly
if (val.indexOf('px') === val.length - 2) {
ret = pInt(val);
// Other values like em, pt etc need to be measured
}
else if (val !== '') {
dummy = doc.createElementNS(SVG_NS, 'rect');
attr(dummy, {
width: val,
'stroke-width': 0
});
this.element.parentNode.appendChild(dummy);
ret = dummy.getBBox().width;
dummy.parentNode.removeChild(dummy);
}
return ret;
};
/**
* If one of the symbol size affecting parameters are changed,
* check all the others only once for each call to an element's
* .attr() method
*
* @private
* @function Highcharts.SVGElement#symbolAttr
*
* @param {Highcharts.SVGAttributes} hash
* The attributes to set.
*/
SVGElement.prototype.symbolAttr = function (hash) {
var wrapper = this;
[
'x',
'y',
'r',
'start',
'end',
'width',
'height',
'innerR',
'anchorX',
'anchorY',
'clockwise'
].forEach(function (key) {
wrapper[key] = pick(hash[key], wrapper[key]);
});
wrapper.attr({
d: wrapper.renderer.symbols[wrapper.symbolName](wrapper.x, wrapper.y, wrapper.width, wrapper.height, wrapper)
});
};
/**
* @private
* @function Highcharts.SVGElement#textSetter
* @param {string} value
*/
SVGElement.prototype.textSetter = function (value) {
if (value !== this.textStr) {
// Delete size caches when the text changes
// delete this.bBox; // old code in series-label
delete this.textPxLength;
this.textStr = value;
if (this.added) {
this.renderer.buildText(this);
}
}
};
/**
* @private
* @function Highcharts.SVGElement#titleSetter
* @param {string} value
*/
SVGElement.prototype.titleSetter = function (value) {
var titleNode = this.element.getElementsByTagName('title')[0];
if (!titleNode) {
titleNode = doc.createElementNS(this.SVG_NS, 'title');
this.element.appendChild(titleNode);
}
// Remove text content if it exists
if (titleNode.firstChild) {
titleNode.removeChild(titleNode.firstChild);
}
titleNode.appendChild(doc.createTextNode(
// #3276, #3895
String(pick(value, ''))
.replace(/<[^>]*>/g, '')
.replace(/&lt;/g, '<')
.replace(/&gt;/g, '>')));
};
/**
* Bring the element to the front. Alternatively, a new zIndex can be set.
*
* @sample highcharts/members/element-tofront/
* Click an element to bring it to front
*
* @function Highcharts.SVGElement#toFront
*
* @return {Highcharts.SVGElement}
* Returns the SVGElement for chaining.
*/
SVGElement.prototype.toFront = function () {
var element = this.element;
element.parentNode.appendChild(element);
return this;
};
/**
* Move an object and its children by x and y values.
*
* @function Highcharts.SVGElement#translate
*
* @param {number} x
* The x value.
*
* @param {number} y
* The y value.
*
* @return {Highcharts.SVGElement}
*/
SVGElement.prototype.translate = function (x, y) {
return this.attr({
translateX: x,
translateY: y
});
};
/**
* Update the shadow elements with new attributes.
*
* @private
* @function Highcharts.SVGElement#updateShadows
*
* @param {string} key
* The attribute name.
*
* @param {number} value
* The value of the attribute.
*
* @param {Function} setter
* The setter function, inherited from the parent wrapper.
*/
SVGElement.prototype.updateShadows = function (key, value, setter) {
var shadows = this.shadows;
if (shadows) {
var i = shadows.length;
while (i--) {
setter.call(shadows[i], key === 'height' ?
Math.max(value - (shadows[i].cutHeight || 0), 0) :
key === 'd' ? this.d : value, key, shadows[i]);
}
}
};
/**
* Update the transform attribute based on internal properties. Deals with
* the custom `translateX`, `translateY`, `rotation`, `scaleX` and `scaleY`
* attributes and updates the SVG `transform` attribute.
*
* @private
* @function Highcharts.SVGElement#updateTransform
*/
SVGElement.prototype.updateTransform = function () {
var wrapper = this, translateX = wrapper.translateX || 0, translateY = wrapper.translateY || 0, scaleX = wrapper.scaleX, scaleY = wrapper.scaleY, inverted = wrapper.inverted, rotation = wrapper.rotation, matrix = wrapper.matrix, element = wrapper.element, transform;
// Flipping affects translate as adjustment for flipping around the
// group's axis
if (inverted) {
translateX += wrapper.width;
translateY += wrapper.height;
}
// Apply translate. Nearly all transformed elements have translation,
// so instead of checking for translate = 0, do it always (#1767,
// #1846).
transform = ['translate(' + translateX + ',' + translateY + ')'];
// apply matrix
if (defined(matrix)) {
transform.push('matrix(' + matrix.join(',') + ')');
}
// apply rotation
if (inverted) {
transform.push('rotate(90) scale(-1,1)');
}
else if (rotation) { // text rotation
transform.push('rotate(' + rotation + ' ' +
pick(this.rotationOriginX, element.getAttribute('x'), 0) +
' ' +
pick(this.rotationOriginY, element.getAttribute('y') || 0) + ')');
}
// apply scale
if (defined(scaleX) || defined(scaleY)) {
transform.push('scale(' + pick(scaleX, 1) + ' ' + pick(scaleY, 1) + ')');
}
if (transform.length) {
element.setAttribute('transform', transform.join(' '));
}
};
/**
* @private
* @function Highcharts.SVGElement#visibilitySetter
*
* @param {string} value
*
* @param {string} key
*
* @param {Highcharts.SVGDOMElement} element
*
* @return {void}
*/
SVGElement.prototype.visibilitySetter = function (value, key, element) {
// IE9-11 doesn't handle visibilty:inherit well, so we remove the
// attribute instead (#2881, #3909)
if (value === 'inherit') {
element.removeAttribute(key);
}
else if (this[key] !== value) { // #6747
element.setAttribute(key, value);
}
this[key] = value;
};
/**
* @private
* @function Highcharts.SVGElement#xGetter
*
* @param {string} key
*
* @return {number|string|null}
*/
SVGElement.prototype.xGetter = function (key) {
if (this.element.nodeName === 'circle') {
if (key === 'x') {
key = 'cx';
}
else if (key === 'y') {
key = 'cy';
}
}
return this._defaultGetter(key);
};
/**
* @private
* @function Highcharts.SVGElement#zIndexSetter
* @param {number} [value]
* @param {string} [key]
* @return {boolean}
*/
SVGElement.prototype.zIndexSetter = function (value, key) {
var renderer = this.renderer, parentGroup = this.parentGroup, parentWrapper = parentGroup || renderer, parentNode = parentWrapper.element || renderer.box, childNodes, otherElement, otherZIndex, element = this.element, inserted = false, undefinedOtherZIndex, svgParent = parentNode === renderer.box, run = this.added, i;
if (defined(value)) {
// So we can read it for other elements in the group
element.setAttribute('data-z-index', value);
value = +value;
if (this[key] === value) {
// Only update when needed (#3865)
run = false;
}
}
else if (defined(this[key])) {
element.removeAttribute('data-z-index');
}
this[key] = value;
// Insert according to this and other elements' zIndex. Before .add() is
// called, nothing is done. Then on add, or by later calls to
// zIndexSetter, the node is placed on the right place in the DOM.
if (run) {
value = this.zIndex;
if (value && parentGroup) {
parentGroup.handleZ = true;
}
childNodes = parentNode.childNodes;
for (i = childNodes.length - 1; i >= 0 && !inserted; i--) {
otherElement = childNodes[i];
otherZIndex = otherElement.getAttribute('data-z-index');
undefinedOtherZIndex = !defined(otherZIndex);
if (otherElement !== element) {
if (
// Negative zIndex versus no zIndex:
// On all levels except the highest. If the parent is
// <svg>, then we don't want to put items before <desc>
// or <defs>
value < 0 &&
undefinedOtherZIndex &&
!svgParent &&
!i) {
parentNode.insertBefore(element, childNodes[i]);
inserted = true;
}
else if (
// Insert after the first element with a lower zIndex
pInt(otherZIndex) <= value ||
// If negative zIndex, add this before first undefined
// zIndex element
(undefinedOtherZIndex &&
(!defined(value) || value >= 0))) {
parentNode.insertBefore(element, childNodes[i + 1] || null // null for oldIE export
);
inserted = true;
}
}
}
if (!inserted) {
parentNode.insertBefore(element, childNodes[svgParent ? 3 : 0] || null // null for oldIE
);
inserted = true;
}
}
return inserted;
};
return SVGElement;
}());
// Some shared setters and getters
SVGElement.prototype['stroke-widthSetter'] = SVGElement.prototype.strokeSetter;
SVGElement.prototype.yGetter = SVGElement.prototype.xGetter;
SVGElement.prototype.matrixSetter =
SVGElement.prototype.rotationOriginXSetter =
SVGElement.prototype.rotationOriginYSetter =
SVGElement.prototype.rotationSetter =
SVGElement.prototype.scaleXSetter =
SVGElement.prototype.scaleYSetter =
SVGElement.prototype.translateXSetter =
SVGElement.prototype.translateYSetter =
SVGElement.prototype.verticalAlignSetter = function (value, key) {
this[key] = value;
this.doTransform = true;
};
H.SVGElement = SVGElement;
export default H.SVGElement;