@web-atoms/core/dist/web/controls/AtomViewStack.js

Web Atoms Core

System.register(["./AtomControl"], function (_export, _context) {
  "use strict";

  var AtomControl, AtomViewStack;
  _export("AtomViewStack", void 0);
  return {
    setters: [function (_AtomControl) {
      AtomControl = _AtomControl.AtomControl;
    }],
    execute: function () {
      _export("AtomViewStack", AtomViewStack = class AtomViewStack extends AtomControl {
        append(e) {
          const ee = e instanceof AtomControl ? e.element : e;
          ee._logicalParent = this.element;
          this.children = this.children || [];
          const index = this.children.length;
          this.children.push(e instanceof AtomControl ? e.element : e);
          if (this.selectedIndex === undefined) {
            this.selectedIndex = 0;
          }
          const style = ee.style;
          style.position = "absolute";
          style.top = style.left = style.right = style.bottom = "0";
          this.bind(ee, "styleVisibility", [["selectedIndex"]], false, v => v === index ? "visible" : "hidden");
          this.element.appendChild(ee);
          return this;
        }
        preCreate() {
          this.selectedIndex = -1;
        }
      });
    }
  };
});
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