You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.6 KiB
76 lines
2.6 KiB
import NodeBase from '../util/NodeBase'
|
|
|
|
class ShapeBase extends NodeBase {
|
|
constructor(options, body, labelModule) {
|
|
super(options, body, labelModule)
|
|
}
|
|
|
|
_resizeShape() {
|
|
if (this.width === undefined) {
|
|
var size = 2 * this.options.size;
|
|
this.width = size;
|
|
this.height = size;
|
|
this.radius = 0.5*this.width;
|
|
}
|
|
}
|
|
|
|
_drawShape(ctx, shape, sizeMultiplier, x, y, selected, hover) {
|
|
this._resizeShape();
|
|
|
|
this.left = x - this.width / 2;
|
|
this.top = y - this.height / 2;
|
|
|
|
var neutralborderWidth = this.options.borderWidth;
|
|
var selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;
|
|
var borderWidth = (selected ? selectionLineWidth : neutralborderWidth) / this.body.view.scale;
|
|
ctx.lineWidth = Math.min(this.width, borderWidth);
|
|
|
|
ctx.strokeStyle = selected ? this.options.color.highlight.border : hover ? this.options.color.hover.border : this.options.color.border;
|
|
ctx.fillStyle = selected ? this.options.color.highlight.background : hover ? this.options.color.hover.background : this.options.color.background;
|
|
ctx[shape](x, y, this.options.size);
|
|
|
|
// draw shadow if enabled
|
|
this.enableShadow(ctx);
|
|
// draw the background
|
|
ctx.fill();
|
|
// disable shadows for other elements.
|
|
this.disableShadow(ctx);
|
|
|
|
//draw dashed border if enabled, save and restore is required for firefox not to crash on unix.
|
|
ctx.save();
|
|
// if borders are zero width, they will be drawn with width 1 by default. This prevents that
|
|
if (borderWidth > 0) {
|
|
this.enableBorderDashes(ctx);
|
|
//draw the border
|
|
ctx.stroke();
|
|
//disable dashed border for other elements
|
|
this.disableBorderDashes(ctx);
|
|
}
|
|
ctx.restore();
|
|
|
|
if (this.options.label !== undefined) {
|
|
let yLabel = y + 0.5 * this.height + 3; // the + 3 is to offset it a bit below the node.
|
|
this.labelModule.draw(ctx, x, yLabel, selected, 'hanging');
|
|
}
|
|
|
|
this.updateBoundingBox(x,y);
|
|
}
|
|
|
|
updateBoundingBox(x,y) {
|
|
this.boundingBox.top = y - this.options.size;
|
|
this.boundingBox.left = x - this.options.size;
|
|
this.boundingBox.right = x + this.options.size;
|
|
this.boundingBox.bottom = y + this.options.size;
|
|
|
|
if (this.options.label !== undefined && this.labelModule.size.width > 0) {
|
|
this.boundingBox.left = Math.min(this.boundingBox.left, this.labelModule.size.left);
|
|
this.boundingBox.right = Math.max(this.boundingBox.right, this.labelModule.size.left + this.labelModule.size.width);
|
|
this.boundingBox.bottom = Math.max(this.boundingBox.bottom, this.boundingBox.bottom + this.labelModule.size.height + 3);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
export default ShapeBase;
|