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import {
extend,
nodeOrNew,
register,
wrapWithAttrCheck
} from '../utils/adopter.js'
import { globals } from '../utils/window.js'
import { registerMethods } from '../utils/methods.js'
import SVGNumber from '../types/SVGNumber.js'
import Text from './Text.js'
import * as textable from '../modules/core/textable.js'
export default class Tspan extends Text {
// Initialize node
constructor (node) {
super(nodeOrNew('tspan', node), node)
}
// Set text content
text (text) {
if (text == null) return this.node.textContent + (this.dom.newLined ? '\n' : '')
typeof text === 'function' ? text.call(this, this) : this.plain(text)
return this
}
// Shortcut dx
dx (dx) {
return this.attr('dx', dx)
}
// Shortcut dy
dy (dy) {
return this.attr('dy', dy)
}
x (x) {
return this.attr('x', x)
}
y (y) {
return this.attr('x', y)
}
move (x, y) {
return this.x(x).y(y)
}
// Create new line
newLine () {
// fetch text parent
var t = this.parent(Text)
// mark new line
this.dom.newLined = true
var fontSize = globals.window.getComputedStyle(this.node)
.getPropertyValue('font-size')
var dy = t.dom.leading * new SVGNumber(fontSize)
// apply new position
return this.dy(dy).attr('x', t.x())
}
}
extend(Tspan, textable)
registerMethods({
Tspan: {
tspan: wrapWithAttrCheck(function (text) {
var tspan = new Tspan()
// clear if build mode is disabled
if (!this._build) {
this.clear()
}
// add new tspan
this.node.appendChild(tspan.node)
return tspan.text(text)
})
}
})
register(Tspan, 'Tspan')
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