Object.assign(pc, function () {
var _schema = [
{ name: 'enabled', type: 'boolean' },
{ name: 'horizontal', type: 'boolean' },
{ name: 'vertical', type: 'boolean' },
{ name: 'scrollMode', type: 'number' },
{ name: 'bounceAmount', type: 'number' },
{ name: 'friction', type: 'number' },
{ name: 'dragThreshold', type: 'number' },
{ name: 'horizontalScrollbarVisibility', type: 'number' },
{ name: 'verticalScrollbarVisibility', type: 'number' },
{ name: 'viewportEntity', type: 'entity' },
{ name: 'contentEntity', type: 'entity' },
{ name: 'horizontalScrollbarEntity', type: 'entity' },
{ name: 'verticalScrollbarEntity', type: 'entity' }
];
var DEFAULT_DRAG_THRESHOLD = 10;
/**
* @constructor
* @name pc.ScrollViewComponentSystem
* @extends pc.ComponentSystem
* @classdesc Manages creation of {@link pc.ScrollViewComponent}s.
* @description Create a new ScrollViewComponentSystem.
* @param {pc.Application} app The application
*/
var ScrollViewComponentSystem = function ScrollViewComponentSystem(app) {
pc.ComponentSystem.call(this, app);
this.id = 'scrollview';
this.app = app;
this.ComponentType = pc.ScrollViewComponent;
this.DataType = pc.ScrollViewComponentData;
this.schema = _schema;
this.on('beforeremove', this._onRemoveComponent, this);
pc.ComponentSystem.bind('update', this.onUpdate, this);
};
ScrollViewComponentSystem.prototype = Object.create(pc.ComponentSystem.prototype);
ScrollViewComponentSystem.prototype.constructor = ScrollViewComponentSystem;
pc.Component._buildAccessors(pc.ScrollViewComponent.prototype, _schema);
Object.assign(ScrollViewComponentSystem.prototype, {
initializeComponentData: function (component, data, properties) {
if (data.dragThreshold === undefined) {
data.dragThreshold = DEFAULT_DRAG_THRESHOLD;
}
pc.ComponentSystem.prototype.initializeComponentData.call(this, component, data, _schema);
},
onUpdate: function (dt) {
var components = this.store;
for (var id in components) {
var entity = components[id].entity;
var component = entity.scrollview;
if (component.enabled && entity.enabled) {
component.onUpdate();
}
}
},
_onRemoveComponent: function (entity, component) {
component.onRemove();
}
});
return {
ScrollViewComponentSystem: ScrollViewComponentSystem
};
}());