Upgraded app to Laravel 5.7

resources/js/components/entity-selector-popup.js

@@ -0,0 +1,47 @@
+
+class EntitySelectorPopup {
+
+    constructor(elem) {
+        this.elem = elem;
+        window.EntitySelectorPopup = this;
+
+        this.callback = null;
+        this.selection = null;
+
+        this.selectButton = elem.querySelector('.entity-link-selector-confirm');
+        this.selectButton.addEventListener('click', this.onSelectButtonClick.bind(this));
+
+        window.$events.listen('entity-select-change', this.onSelectionChange.bind(this));
+        window.$events.listen('entity-select-confirm', this.onSelectionConfirm.bind(this));
+    }
+
+    show(callback) {
+        this.callback = callback;
+        this.elem.components.overlay.show();
+    }
+
+    hide() {
+        this.elem.components.overlay.hide();
+    }
+
+    onSelectButtonClick() {
+        this.hide();
+        if (this.selection !== null && this.callback) this.callback(this.selection);
+    }
+
+    onSelectionConfirm(entity) {
+        this.hide();
+        if (this.callback && entity) this.callback(entity);
+    }
+
+    onSelectionChange(entity) {
+        this.selection = entity;
+        if (entity === null) {
+            this.selectButton.setAttribute('disabled', 'true');
+        } else {
+            this.selectButton.removeAttribute('disabled');
+        }
+    }
+}
+
+export default EntitySelectorPopup;