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feat(core): Added support for stacks in layout

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This commit is contained in:
Joost De Cock 2022-09-13 17:56:01 +02:00
parent 85748db201
commit 7ac5a88dff
7 changed files with 114 additions and 45 deletions
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57
packages/core/src/stack.mjs
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@ -2,7 +2,7 @@ import { Attributes } from './attributes.mjs'
import { Point } from './point.mjs'
import * as utils from './utils.mjs'
export function Stack(name=null) {
export function Stack(name = null) {
// Non-enumerable properties
utils.addNonEnumProp(this, 'freeId', 0)
utils.addNonEnumProp(this, 'topLeft', false)
@ -20,20 +20,20 @@ export function Stack(name=null) {
}
/* Adds a part to the stack */
Stack.prototype.addPart = function(part) {
Stack.prototype.addPart = function (part) {
if (part) this.parts.add(part)
return this
}
/* Returns a list of parts in this stack */
Stack.prototype.getPartList = function(part) {
Stack.prototype.getPartList = function (part) {
return [...this.parts]
}
/* Returns a list of names of parts in this stack */
Stack.prototype.getPartNames = function(part) {
return [...this.parts].map(p => p.name)
Stack.prototype.getPartNames = function (part) {
return [...this.parts].map((p) => p.name)
}
/** Homes the stack so that its top left corner is in (0,0) */
@ -58,9 +58,11 @@ Stack.prototype.home = function () {
/** Calculates the stack's bounding box and sets it */
Stack.prototype.home = function () {
if (this.topLeft) return this // Cached
this.topLeft = new Point(Infinity, Infinity)
this.bottomRight = new Point(-Infinity, -Infinity)
for (const part of this.getPartList()) {
part.boundary()
if (part.topLeft.x < this.topLeft.x) this.topLeft.x = part.topLeft.x
if (part.topLeft.y < this.topLeft.y) this.topLeft.y = part.topLeft.y
if (part.bottomRight.x > this.bottomRight.x) this.bottomRight.x = part.bottomRight.x
@ -73,8 +75,53 @@ Stack.prototype.home = function () {
if (this.bottomRight.x === -Infinity) this.bottomRight.x = 0
if (this.bottomRight.y === -Infinity) this.bottomRight.y = 0
// Add margin
let margin = this.context.settings.margin
if (this.context.settings.paperless && margin < 10) margin = 10
this.topLeft.x -= margin
this.topLeft.y -= margin
this.bottomRight.x += margin
this.bottomRight.y += margin
// Set dimensions
this.width = this.bottomRight.x - this.topLeft.x
this.height = this.bottomRight.y - this.topLeft.y
this.width = this.bottomRight.x - this.topLeft.x
this.height = this.bottomRight.y - this.topLeft.y
// Add transform
this.anchor = this.getAnchor()
if (this.topLeft.x === this.anchor.x && this.topLeft.y === this.anchor.y) return this
else {
this.attr('transform', `translate(${this.anchor.x - this.topLeft.x}, ${this.anchor.y - this.topLeft.y})`)
this.layout.move.x = this.anchor.x - this.topLeft.x
this.layout.move.y = this.anchor.y - this.topLeft.y
}
return this
}
/** Finds the anchor to aling parts in this stack */
Stack.prototype.getAnchor = function() {
let anchorPoint = true
let gridAnchorPoint = true
const parts = this.getPartList()
for (const part of parts) {
if (typeof part.points.anchor === 'undefined') anchorPoint = false
if (typeof part.points.gridAnchor === 'undefined') gridAnchorPoint = false
}
if (anchorPoint) return parts[0].points.anchor
if (gridAnchorPoint) return parts[0].points.gridAnchor
return new Point(0,0)
}
/** Adds an attribute. This is here to make this call chainable in assignment */
Stack.prototype.attr = function (name, value, overwrite = false) {
if (overwrite) this.attributes.set(name, value)
else this.attributes.add(name, value)
return this
}