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.
84 lines
3.0 KiB
84 lines
3.0 KiB
'use strict';
|
|
|
|
import NodeBase from '../util/NodeBase'
|
|
|
|
class Box extends NodeBase {
|
|
constructor (options, body, labelModule) {
|
|
super(options,body,labelModule);
|
|
this._setMargins(labelModule);
|
|
}
|
|
|
|
resize(ctx, selected) {
|
|
if (this.width === undefined) {
|
|
this.textSize = this.labelModule.getTextSize(ctx,selected);
|
|
this.width = this.textSize.width + this.margin.right + this.margin.left;
|
|
this.height = this.textSize.height + this.margin.top + this.margin.bottom;
|
|
this.radius = this.width / 2;
|
|
}
|
|
}
|
|
|
|
draw(ctx, x, y, selected, hover) {
|
|
this.resize(ctx, selected);
|
|
this.left = x - this.width / 2;
|
|
this.top = y - this.height / 2;
|
|
|
|
let borderWidth = this.options.borderWidth;
|
|
let selectionLineWidth = this.options.borderWidthSelected || 2 * this.options.borderWidth;
|
|
|
|
ctx.strokeStyle = selected ? this.options.color.highlight.border : hover ? this.options.color.hover.border : this.options.color.border;
|
|
ctx.lineWidth = (selected ? selectionLineWidth : borderWidth);
|
|
ctx.lineWidth /= this.body.view.scale;
|
|
ctx.lineWidth = Math.min(this.width, ctx.lineWidth);
|
|
|
|
ctx.fillStyle = selected ? this.options.color.highlight.background : hover ? this.options.color.hover.background : this.options.color.background;
|
|
|
|
let borderRadius = this.options.shapeProperties.borderRadius; // only effective for box
|
|
ctx.roundRect(this.left, this.top, this.width, this.height, borderRadius);
|
|
|
|
// 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();
|
|
|
|
this.updateBoundingBox(x,y,ctx,selected);
|
|
this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
|
|
this.top + this.textSize.height / 2 + this.margin.top, selected);
|
|
}
|
|
|
|
updateBoundingBox(x,y, ctx, selected) {
|
|
this.resize(ctx, selected);
|
|
this.left = x - this.width / 2;
|
|
this.top = y - this.height / 2;
|
|
|
|
let borderRadius = this.options.shapeProperties.borderRadius; // only effective for box
|
|
this.boundingBox.left = this.left - borderRadius;
|
|
this.boundingBox.top = this.top - borderRadius;
|
|
this.boundingBox.bottom = this.top + this.height + borderRadius;
|
|
this.boundingBox.right = this.left + this.width + borderRadius;
|
|
}
|
|
|
|
distanceToBorder(ctx, angle) {
|
|
this.resize(ctx);
|
|
let borderWidth = this.options.borderWidth;
|
|
|
|
return Math.min(
|
|
Math.abs((this.width) / 2 / Math.cos(angle)),
|
|
Math.abs((this.height) / 2 / Math.sin(angle))) + borderWidth;
|
|
}
|
|
}
|
|
|
|
export default Box;
|