495 lines
17 KiB
JavaScript
495 lines
17 KiB
JavaScript
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2016
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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/**
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* Slider.js
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*
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* Created by Julia Radzhabova on 2/18/14
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* Copyright (c) 2014 Ascensio System SIA. All rights reserved.
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*
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*/
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/**
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* Example usage:
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* new Common.UI.SingleSlider({
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* el: $('#id'),
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* minValue : 0,
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* maxValue : 100,
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* value : 100
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* });
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*
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*
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* @property {Boolean} enableKeyEvents
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* If true slider increase/decrease its value by {@link #step} when arrow key Up/Down or Right/Left is pressed.
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*
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* enableKeyEvents: false,
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*
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*
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*
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* Example usage:
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* new Common.UI.MultiSlider({
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* el: $('#id'),
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* minValue : 0,
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* maxValue : 100,
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* values : [0, 100]
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* });
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*
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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.SingleSlider = Common.UI.BaseView.extend({
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options : {
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width: 100,
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minValue: 0,
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maxValue: 100,
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step: 1,
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value: 100,
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enableKeyEvents: false
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},
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disabled: false,
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template : _.template([
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'<div class="slider single-slider" style="">',
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'<div class="track">',
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'<div class="track-left img-commonctrl"></div>',
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'<div class="track-center img-commonctrl"></div>',
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'<div class="track-right img-commonctrl" style=""></div>',
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'</div>',
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'<div class="thumb img-commonctrl" style=""></div>',
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'<% if (this.options.enableKeyEvents) { %>',
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'<input type="text" style="position: absolute; top:-10px; width: 1px; height: 1px;">',
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'<% } %>',
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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.minValue = me.options.minValue;
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me.maxValue = me.options.maxValue;
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me.delta = 100/(me.maxValue - me.minValue);
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me.step = me.options.step;
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if (me.options.el) {
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me.render();
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}
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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 = $(this.el);
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}
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this.cmpEl.find('.track-center').width(me.options.width - 14);
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this.cmpEl.width(me.options.width);
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this.thumb = this.cmpEl.find('.thumb');
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var onMouseUp = function (e) {
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e.preventDefault();
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e.stopPropagation();
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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me.thumb.removeClass('active');
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$(document).off('mouseup', onMouseUp);
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$(document).off('mousemove', onMouseMove);
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me._dragstart = undefined;
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me.trigger('changecomplete', me, me.value, me.lastValue);
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};
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var onMouseMove = function (e) {
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if ( me.disabled ) return;
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if ( me._dragstart===undefined ) return;
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e.preventDefault();
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e.stopPropagation();
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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if (Math.abs(me.value-me.lastValue)>0.001)
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me.trigger('change', me, me.value, me.lastValue);
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};
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var onMouseDown = function (e) {
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if ( me.disabled ) return;
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me._dragstart = e.pageX*Common.Utils.zoom() - me.thumb.offset().left - 7;
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me.thumb.addClass('active');
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$(document).on('mouseup', onMouseUp);
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$(document).on('mousemove', onMouseMove);
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if (me.options.enableKeyEvents)
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setTimeout(function() {me.input.focus();}, 10);
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};
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var onTrackMouseDown = function (e) {
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if ( me.disabled ) return;
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) / me.width * 100))));
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me.setThumbPosition(pos);
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me.lastValue = me.value;
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me.value = pos/me.delta + me.minValue;
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me.trigger('change', me, me.value, me.lastValue);
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me.trigger('changecomplete', me, me.value, me.lastValue);
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};
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var updateslider;
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var moveThumb = function(increase) {
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me.lastValue = me.value;
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me.value = Math.max(me.minValue, Math.min(me.maxValue, me.value + ((increase) ? me.step : -me.step)));
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me.setThumbPosition(Math.round((me.value-me.minValue)*me.delta));
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me.trigger('change', me, me.value, me.lastValue);
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};
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var onKeyDown = function (e) {
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if ( me.disabled ) return;
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if (e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.DOWN || e.keyCode==Common.UI.Keys.LEFT || e.keyCode==Common.UI.Keys.RIGHT) {
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e.preventDefault();
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e.stopPropagation();
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el.off('keydown', 'input', onKeyDown);
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updateslider = setInterval(_.bind(moveThumb, me, e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.RIGHT), 100);
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}
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};
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var onKeyUp = function (e) {
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if ( me.disabled ) return;
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if (e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.DOWN || Common.UI.Keys.LEFT || Common.UI.Keys.RIGHT) {
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e.stopPropagation();
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e.preventDefault();
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clearInterval(updateslider);
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moveThumb(e.keyCode==Common.UI.Keys.UP || e.keyCode==Common.UI.Keys.RIGHT);
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el.on('keydown', 'input', onKeyDown);
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me.trigger('changecomplete', me, me.value, me.lastValue);
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}
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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('mousedown', '.track', onTrackMouseDown);
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if (this.options.enableKeyEvents) {
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el.on('keydown', 'input', onKeyDown);
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el.on('keyup', 'input', onKeyUp);
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}
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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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this.thumb.css({left: x + '%'});
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},
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setValue: function(value) {
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this.lastValue = this.value;
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this.value = Math.max(this.minValue, Math.min(this.maxValue, value));
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this.setThumbPosition(Math.round((value-this.minValue)*this.delta));
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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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});
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Common.UI.MultiSlider = Common.UI.BaseView.extend({
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options : {
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width: 100,
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minValue: 0,
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maxValue: 100,
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values: [0, 100]
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},
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disabled: false,
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template : _.template([
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'<div class="slider multi-slider">',
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'<div class="track">',
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'<div class="track-left"></div>',
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'<div class="track-center""></div>',
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'<div class="track-right" style=""></div>',
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'</div>',
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'<% _.each(items, function(item) { %>',
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'<div class="thumb" style=""></div>',
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'<% }); %>',
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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.minValue = me.options.minValue;
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me.maxValue = me.options.maxValue;
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me.delta = 100/(me.maxValue - me.minValue);
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me.thumbs = [];
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if (me.options.el) {
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me.render();
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}
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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 = $(this.template({
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items: this.options.values
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}));
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if (parentEl) {
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this.setElement(parentEl, false);
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parentEl.html(this.cmpEl);
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} else {
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$(this.el).html(this.cmpEl);
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}
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} else {
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this.cmpEl = $(this.el);
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}
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var el = this.cmpEl;
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el.find('.track-center').width(me.options.width - 14);
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el.width(me.options.width);
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var onMouseUp = function (e) {
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e.preventDefault();
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e.stopPropagation();
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var index = e.data,
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lastValue = me.thumbs[index].value,
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minValue = (index-1<0) ? 0 : me.thumbs[index-1].position,
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maxValue = (index+1<me.thumbs.length) ? me.thumbs[index+1].position : 100,
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pos = Math.max(minValue, Math.min(maxValue, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100)))),
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value = pos/me.delta + me.minValue;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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$(document).off('mouseup', onMouseUp);
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$(document).off('mousemove', onMouseMove);
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me._dragstart = undefined;
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me.trigger('changecomplete', me, value, lastValue);
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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 index = e.data,
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lastValue = me.thumbs[index].value,
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minValue = (index-1<0) ? 0 : me.thumbs[index-1].position,
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maxValue = (index+1<me.thumbs.length) ? me.thumbs[index+1].position : 100,
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pos = Math.max(minValue, Math.min(maxValue, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left - me._dragstart) / me.width * 100)))),
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value = pos/me.delta + me.minValue;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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if (Math.abs(value-lastValue)>0.001)
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me.trigger('change', me, value, lastValue);
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};
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var onMouseDown = function (e) {
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if ( me.disabled ) return;
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var index = e.data,
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thumb = me.thumbs[index].thumb;
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me._dragstart = e.pageX*Common.Utils.zoom() - thumb.offset().left - thumb.width()/2;
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me.setActiveThumb(index);
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_.each(me.thumbs, function (item, idx) {
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(index == idx) ? item.thumb.css('z-index', 500) : item.thumb.css('z-index', '');
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});
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$(document).on('mouseup', null, index, onMouseUp);
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$(document).on('mousemove', null, index, onMouseMove);
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};
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var onTrackMouseDown = function (e) {
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if ( me.disabled ) return;
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var pos = Math.max(0, Math.min(100, (Math.round((e.pageX*Common.Utils.zoom() - me.cmpEl.offset().left) / me.width * 100)))),
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index = findThumb(pos),
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lastValue = me.thumbs[index].value,
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value = pos/me.delta + me.minValue;
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me.setThumbPosition(index, pos);
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me.thumbs[index].value = value;
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me.trigger('change', me, value, lastValue);
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me.trigger('changecomplete', me, value, lastValue);
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};
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var findThumb = function(pos) {
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var nearest = 100,
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index = 0,
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len = me.thumbs.length,
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dist;
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for (var i=0; i<len; i++) {
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dist = Math.abs(me.thumbs[i].position - pos);
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if (Math.abs(dist <= nearest)) {
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var above = me.thumbs[i + 1];
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var below = me.thumbs[i - 1];
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if (below !== undefined && pos < below.position) {
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continue;
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}
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if (above !== undefined && pos > above.position) {
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continue;
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}
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index = i;
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nearest = dist;
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}
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}
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return index;
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};
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this.$thumbs = el.find('.thumb');
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_.each(this.$thumbs, function(item, index) {
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var thumb = $(item);
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me.thumbs.push({
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thumb: thumb,
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index: index
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});
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me.setValue(index, me.options.values[index]);
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thumb.on('mousedown', null, index, onMouseDown);
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});
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me.setActiveThumb(0, true);
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if (!me.rendered) {
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el.on('mousedown', '.track', onTrackMouseDown);
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}
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me.rendered = true;
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return this;
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},
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setActiveThumb: function(index, suspend) {
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this.currentThumb = index;
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this.$thumbs.removeClass('active');
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this.thumbs[index].thumb.addClass('active');
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if (suspend!==true) this.trigger('thumbclick', this, index);
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},
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setThumbPosition: function(index, x) {
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this.thumbs[index].position = x;
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this.thumbs[index].thumb.css({left: x + '%'});
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},
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setValue: function(index, value) {
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this.thumbs[index].value = Math.max(this.minValue, Math.min(this.maxValue, value));
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this.setThumbPosition(index, Math.round((value-this.minValue)*this.delta));
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},
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getValue: function(index) {
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return this.thumbs[index].value;
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},
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getValues: function() {
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var values = [];
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_.each (this.thumbs, function(thumb) {
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values.push(thumb.value);
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});
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return values;
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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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});
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});
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