160 lines
4.7 KiB
JavaScript
160 lines
4.7 KiB
JavaScript
/**
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* User: Julia.Radzhabova
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* Date: 26.02.15
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*/
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if (Common === undefined)
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var Common = {};
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define([
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'common/main/lib/component/BaseView',
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'underscore'
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], function (base, _) {
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'use strict';
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Common.UI.Switcher = Common.UI.BaseView.extend({
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options : {
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width: 25,
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thumbWidth: 13,
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value: false
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},
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disabled: false,
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template : _.template([
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'<div class="switcher">',
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'<div class="sw-left"></div>',
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'<div class="sw-right"></div>',
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'<div class="thumb"></div>',
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'</div>'
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].join('')),
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initialize : function(options) {
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Common.UI.BaseView.prototype.initialize.call(this, options);
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var me = this,
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el = $(this.el);
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me.width = me.options.width;
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me.thumbWidth = me.options.thumbWidth;
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me.delta = (me.width - me.thumbWidth - 2)/2;
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if (me.options.el)
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me.render();
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this.setValue(me.options.value);
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},
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render : function(parentEl) {
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var me = this;
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if (!me.rendered) {
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this.cmpEl = $(this.template({
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}));
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if (parentEl) {
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this.setElement(parentEl, false);
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parentEl.html(this.cmpEl);
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} else {
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$(this.el).html(this.cmpEl);
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}
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} else {
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this.cmpEl = $(this.el);
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}
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this.thumb = this.cmpEl.find('.thumb');
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this.cmpEl.width(me.width);
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this.thumb.width(me.thumbWidth);
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this.cmpEl.find('.sw-left').width(me.width/2);
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this.cmpEl.find('.sw-right').width(me.width/2);
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var onMouseUp = function (e) {
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if ( me.disabled ) return;
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e.preventDefault();
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e.stopPropagation();
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$(document).off('mouseup.switcher', onMouseUp);
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$(document).off('mousemove.switcher', onMouseMove);
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var pos = Math.round((e.pageX - me._dragstart));
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me.value = (me.value) ? (pos > -me.delta) : (pos > me.delta);
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me.cmpEl.toggleClass('on', me.value);
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me.thumb.css({left: '', right: ''});
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me.trigger('change', me, me.value);
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me._dragstart = undefined;
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};
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var onMouseMove = function (e) {
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if ( me.disabled ) return;
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if ( me._dragstart===undefined ) return;
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e.preventDefault();
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e.stopPropagation();
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var pos = Math.round((e.pageX - me._dragstart));
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if (me.value) {
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me.thumb.css({right: (pos<1) ? Math.min(me.width-me.thumbWidth - 2, -pos) : 0, left: 'auto'});
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} else {
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me.thumb.css({left: (pos>-1) ? Math.min(me.width-me.thumbWidth - 2, pos) : 0, right: 'auto'});
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}
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if (!me._isMouseMove) me._isMouseMove = Math.abs(pos)>0;
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};
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var onMouseDown = function (e) {
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if ( me.disabled ) return;
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me._dragstart = e.pageX;
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me._isMouseMove = false;
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$(document).on('mouseup.switcher', onMouseUp);
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$(document).on('mousemove.switcher', onMouseMove);
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};
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var onSwitcherClick = function (e) {
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if ( me.disabled || me._isMouseMove) { me._isMouseMove = false; return;}
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me.value = !me.value;
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me.cmpEl.toggleClass('on', me.value);
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me.trigger('change', me, me.value);
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};
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if (!me.rendered) {
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var el = me.cmpEl;
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el.on('mousedown', '.thumb', onMouseDown);
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el.on('click', onSwitcherClick);
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}
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me.rendered = true;
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return this;
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},
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setThumbPosition: function(x) {
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var isOn = (this.value) ? (x < -this.delta) : (x > this.delta);
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this.thumb.css((isOn) ? {right: 0, left: 'auto'} : {left: 0, right: 'auto'});
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},
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setValue: function(value) {
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this.value = (value===true);
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this.cmpEl.toggleClass('on', this.value);
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},
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getValue: function() {
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return this.value;
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},
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setDisabled: function(disabled) {
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if (disabled !== this.disabled)
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this.cmpEl.toggleClass('disabled', disabled);
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this.disabled = disabled;
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},
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isDisabled: function() {
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return this.disabled;
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}
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});
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});
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