ionic-framework/ionic/components/item/item.ts

import {Component, View, ElementRef} from 'angular2/angular2';

import {ItemPrimaryOptions, ItemSecondaryOptions} from './item-options';
import {ItemPrimarySwipeButtons, ItemSecondarySwipeButtons} from './item-swipe-buttons';
import {dom} from 'ionic/util';


@Component({
  selector: 'ion-item',
  host: {
    'class': 'item'
  }
})
@View({
  template:
    '<div class="item-content">' +
      '<ng-content></ng-content>'+
    '</div>'
})
export class Item {
  constructor(elementRef: ElementRef) {
    this._isOpen = false;
    this._isSlideActive = false;
    this._isTransitioning = false;
    this._transform = '';

    this.ele = elementRef.nativeElement;
    this.swipeButtons = {};
    this.optionButtons = {};
  }
}


class Slideable {
  constructor(slideElement: Element) {
  }

  // override
  onTransform(str: String) {}
  // override
  onTransitionActive(active: Boolean) {}
  //override
  onSlideActive(active: boolean) {}

  transform(str: String) {
    if (arguments.length && str !== this._transform) {
      this.onTransform()
    }
  }

  isTransitionActive(active: Boolean) {
    if (arguments.length && active !== this._isTransitionActive) {
      this._isTransitionActive = active
      this.onSetTransitionActive(active)
    }
    return this._isTransitioning
  }

  isSlideActive(active: Boolean) {
    if (arguments.length && active !== this._isSlideActive) {
      this._isSlideActive = active
      this.onSetDragActive(active)
    }
    return this._isSlideActive
  }

  isOpen(open: Boolean) {
    if (arguments.length && open !== this._isOpen) {
      this.isTransitionActive(true)
      dom.raf(() => {
        this.isOpen = isOpen
        this.onSetIsOpen(open)
      })
    }
  }

}

class ItemSlideGesture {
}