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

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JavaScript
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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');
}
}
}
module.exports = EntitySelectorPopup;