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| export class ToolBase {
| constructor(viewer) {
| this.viewer = viewer
| this.handler = null
| this.listeners = []
| }
|
| subscribe(key, listener) {
| this.listeners.push({ key, listener })
| }
|
| notify(key, data) {
| this.listeners.filter(item => item.key === key).forEach(item => item.listener(data))
| }
|
| removeHandler(types) {
| if (!this.handler) return
| if (types?.length) {
| types.forEach(type => this.handler.removeInputAction(type))
| }
| this.handler.destroy()
| this.handler = null
| }
| }
|
|
