File size: 2,530 Bytes
ae4627d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | import Shape from "./shape";
import GroupHelper from "../helpers/group_helper";
import {ArgumentError} from "../errors/errors";
/**
* @description Group Class
* @class Group
*/
class Group extends Shape {
/**
* @description Group constructor.
* @constructs Group
*/
constructor (options = {}) {
super(options);
this._groupHelper = new GroupHelper();
this._groupHelper.distinct = true;
this._groupHelper.validator = shape => {
if (!(shape instanceof Shape)) {
throw new ArgumentError("This object isn't a instance of Shape.");
}
};
}
/**
* @description scale
* @param {Number} xScale xScale
* @param {Number} yScale yScale
* @param {Point} [pivot] pivot point
* @member Group#scale
*/
scale (xScale, yScale, pivot) {
this._groupHelper.iterate(renderObj => {
if (!('render' in renderObj)) {
return;
}
renderObj.scale(xScale, yScale, pivot);
});
}
/**
* @description rotate
* @param {Number} radian radian
* @param {Point} [pivot] pivot point
* @member Group#rotate
*/
rotate (radian, pivot) {
this._groupHelper.iterate(renderObj => {
if (!('render' in renderObj)) {
return;
}
renderObj.rotate(radian, pivot);
});
}
/**
* @description translate
* @param {Number} x position x
* @param {Number} y position y
* @member Group#translate
*/
translate (x, y) {
this._groupHelper.iterate(renderObj => {
if (!('render' in renderObj)) {
return;
}
renderObj.translate(x, y);
});
}
/**
* @description add Objects
* @param {Array|Shape} shapes added Shapes
* @member Group#add
*/
add (shapes) {
this._groupHelper.add(shapes);
}
/**
* @description renderShape
* @param {Sketchbook} sketchbook Sketchbook
* @member Group#renderShape
*/
renderShape (sketchbook) {
if (!this.visible) {
return;
}
this._render(sketchbook);
}
/**
* @private
* @description render
* @param {Sketchbook} sketchbook Sketchbook
* @method _render
*/
_render (sketchbook) {
this._renderChild(sketchbook);
}
/**
* @private
* @description render children
* @param {Sketchbook} sketchbook Sketchbook
* @method _renderChild
*/
_renderChild (sketchbook) {
this._groupHelper.iterate(renderObj => {
if (!('render' in renderObj)) {
return;
}
renderObj.renderShape(sketchbook);
});
}
}
export default Group;
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