/**
 * Shopex OMS
 * 
 * Copyright (c) 2025 Shopex (http://www.shopex.cn)
 * Licensed under Apache-2.0 with additional terms (See LICENSE file)
 */

/*
---

script: Fx.Slide.js

name: Fx.Slide

description: Effect to slide an element in and out of view.

license: MIT-style license

authors:
  - Valerio Proietti

requires:
  - Core/Fx
  - Core/Element.Style
  - MooTools.More

provides: [Fx.Slide]

...
*/

Fx.Slide = new Class({

	Extends: Fx,

	options: {
		mode: 'vertical',
		wrapper: false,
		hideOverflow: true,
		resetHeight: false
	},

	initialize: function(element, options){
		element = this.element = this.subject = document.id(element);
		this.parent(options);
		options = this.options;

		var wrapper = element.retrieve('wrapper'),
			styles = element.getStyles('margin', 'position', 'overflow');

		if (options.hideOverflow) styles = Object.append(styles, {overflow: 'hidden'});
		if (options.wrapper) wrapper = document.id(options.wrapper).setStyles(styles);

		if (!wrapper) wrapper = new Element('div', {
			styles: styles
		}).wraps(element);

		element.store('wrapper', wrapper).setStyle('margin', 0);
		if (element.getStyle('overflow') == 'visible') element.setStyle('overflow', 'hidden');

		this.now = [];
		this.open = true;
		this.wrapper = wrapper;

		this.addEvent('complete', function(){
			this.open = (wrapper['offset' + this.layout.capitalize()] != 0);
			if (this.open && this.options.resetHeight) wrapper.setStyle('height', '');
		}, true);
	},

	vertical: function(){
		this.margin = 'margin-top';
		this.layout = 'height';
		this.offset = this.element.offsetHeight;
	},

	horizontal: function(){
		this.margin = 'margin-left';
		this.layout = 'width';
		this.offset = this.element.offsetWidth;
	},

	set: function(now){
		this.element.setStyle(this.margin, now[0]);
		this.wrapper.setStyle(this.layout, now[1]);
		return this;
	},

	compute: function(from, to, delta){
		return [0, 1].map(function(i){
			return Fx.compute(from[i], to[i], delta);
		});
	},

	start: function(how, mode){
		if (!this.check(how, mode)) return this;
		this[mode || this.options.mode]();

		var margin = this.element.getStyle(this.margin).toInt(),
			layout = this.wrapper.getStyle(this.layout).toInt(),
			caseIn = [[margin, layout], [0, this.offset]],
			caseOut = [[margin, layout], [-this.offset, 0]],
			start;

		switch (how){
			case 'in': start = caseIn; break;
			case 'out': start = caseOut; break;
			case 'toggle': start = (layout == 0) ? caseIn : caseOut;
		}
		return this.parent(start[0], start[1]);
	},

	slideIn: function(mode){
		return this.start('in', mode);
	},

	slideOut: function(mode){
		return this.start('out', mode);
	},

	hide: function(mode){
		this[mode || this.options.mode]();
		this.open = false;
		return this.set([-this.offset, 0]);
	},

	show: function(mode){
		this[mode || this.options.mode]();
		this.open = true;
		return this.set([0, this.offset]);
	},

	toggle: function(mode){
		return this.start('toggle', mode);
	}

});

Element.Properties.slide = {

	set: function(options){
		this.get('slide').cancel().setOptions(options);
		return this;
	},

	get: function(){
		var slide = this.retrieve('slide');
		if (!slide){
			slide = new Fx.Slide(this, {link: 'cancel'});
			this.store('slide', slide);
		}
		return slide;
	}

};

Element.implement({

	slide: function(how, mode){
		how = how || 'toggle';
		var slide = this.get('slide'), toggle;
		switch (how){
			case 'hide': slide.hide(mode); break;
			case 'show': slide.show(mode); break;
			case 'toggle':
				var flag = this.retrieve('slide:flag', slide.open);
				slide[flag ? 'slideOut' : 'slideIn'](mode);
				this.store('slide:flag', !flag);
				toggle = true;
				break;
			default: slide.start(how, mode);
		}
		if (!toggle) this.eliminate('slide:flag');
		return this;
	}

});