mirror of
https://codeberg.org/streams/streams.git
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700 lines
No EOL
19 KiB
JavaScript
700 lines
No EOL
19 KiB
JavaScript
/**
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* jquery.slider - Slider ui control in jQuery
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*
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* Written by
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* Egor Khmelev (hmelyoff@gmail.com)
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*
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* Licensed under the MIT (MIT-LICENSE.txt).
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*
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* @author Egor Khmelev
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* @version 1.1.0-RELEASE ($Id$)
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*
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* Dependencies
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*
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* jQuery (http://jquery.com)
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* jquery.numberformatter (http://code.google.com/p/jquery-numberformatter/)
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* tmpl (http://ejohn.org/blog/javascript-micro-templating/)
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* jquery.dependClass
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* draggable
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*
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**/
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(function( $ ) {
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function isArray( value ){
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if( typeof value == "undefined" ) return false;
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if (value instanceof Array || (!(value instanceof Object) &&
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(Object.prototype.toString.call((value)) == '[object Array]') ||
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typeof value.length == 'number' &&
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typeof value.splice != 'undefined' &&
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typeof value.propertyIsEnumerable != 'undefined' &&
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!value.propertyIsEnumerable('splice')
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)) {
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return true;
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}
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return false;
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}
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$.slider = function( node, settings ){
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var jNode = $(node);
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if( !jNode.data( "jslider" ) )
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jNode.data( "jslider", new jSlider( node, settings ) );
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return jNode.data( "jslider" );
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};
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$.fn.slider = function( action, opt_value ){
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var returnValue, args = arguments;
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function isDef( val ){
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return val !== undefined;
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};
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function isDefAndNotNull( val ){
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return val != null;
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};
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this.each(function(){
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var self = $.slider( this, action );
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// do actions
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if( typeof action == "string" ){
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switch( action ){
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case "value":
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if( isDef( args[ 1 ] ) && isDef( args[ 2 ] ) ){
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var pointers = self.getPointers();
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if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
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pointers[0].set( args[ 1 ] );
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pointers[0].setIndexOver();
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}
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if( isDefAndNotNull( pointers[1] ) && isDefAndNotNull( args[2] ) ){
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pointers[1].set( args[ 2 ] );
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pointers[1].setIndexOver();
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}
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}
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else if( isDef( args[ 1 ] ) ){
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var pointers = self.getPointers();
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if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
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pointers[0].set( args[ 1 ] );
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pointers[0].setIndexOver();
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}
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}
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else
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returnValue = self.getValue();
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break;
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case "prc":
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if( isDef( args[ 1 ] ) && isDef( args[ 2 ] ) ){
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var pointers = self.getPointers();
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if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
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pointers[0]._set( args[ 1 ] );
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pointers[0].setIndexOver();
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}
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if( isDefAndNotNull( pointers[1] ) && isDefAndNotNull( args[2] ) ){
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pointers[1]._set( args[ 2 ] );
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pointers[1].setIndexOver();
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}
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}
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else if( isDef( args[ 1 ] ) ){
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var pointers = self.getPointers();
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if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
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pointers[0]._set( args[ 1 ] );
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pointers[0].setIndexOver();
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}
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}
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else
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returnValue = self.getPrcValue();
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break;
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case "calculatedValue":
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var value = self.getValue().split(";");
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returnValue = "";
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for (var i=0; i < value.length; i++) {
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returnValue += (i > 0 ? ";" : "") + self.nice( value[i] );
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};
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break;
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case "skin":
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self.setSkin( args[1] );
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break;
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};
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}
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// return actual object
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else if( !action && !opt_value ){
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if( !isArray( returnValue ) )
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returnValue = [];
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returnValue.push( self );
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}
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});
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// flatten array just with one slider
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if( isArray( returnValue ) && returnValue.length == 1 )
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returnValue = returnValue[ 0 ];
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return returnValue || this;
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};
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var OPTIONS = {
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settings: {
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from: 1,
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to: 10,
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step: 1,
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smooth: true,
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limits: true,
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round: 0,
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format: { format: "#,##0.##" },
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value: "5;7",
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dimension: ""
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},
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className: "jslider",
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selector: ".jslider-",
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template: tmpl(
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'<span class="<%=className%>">' +
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'<table><tr><td>' +
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'<div class="<%=className%>-bg">' +
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'<i class="l"></i><i class="r"></i>' +
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'<i class="v"></i>' +
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'</div>' +
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'<div class="<%=className%>-pointer"></div>' +
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'<div class="<%=className%>-pointer <%=className%>-pointer-to"></div>' +
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'<div class="<%=className%>-label"><span><%=settings.from%></span></div>' +
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'<div class="<%=className%>-label <%=className%>-label-to"><span><%=settings.to%></span><%=settings.dimension%></div>' +
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'<div class="<%=className%>-value"><span></span><%=settings.dimension%></div>' +
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'<div class="<%=className%>-value <%=className%>-value-to"><span></span><%=settings.dimension%></div>' +
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'<div class="<%=className%>-scale"><%=scale%></div>'+
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'</td></tr></table>' +
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'</span>'
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)
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};
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function jSlider(){
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return this.init.apply( this, arguments );
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};
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jSlider.prototype.init = function( node, settings ){
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this.settings = $.extend(true, {}, OPTIONS.settings, settings ? settings : {});
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// obj.sliderHandler = this;
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this.inputNode = $( node ).hide();
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this.settings.interval = this.settings.to-this.settings.from;
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this.settings.value = this.inputNode.attr("value");
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if( this.settings.calculate && $.isFunction( this.settings.calculate ) )
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this.nice = this.settings.calculate;
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if( this.settings.onstatechange && $.isFunction( this.settings.onstatechange ) )
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this.onstatechange = this.settings.onstatechange;
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this.is = {
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init: false
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};
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this.o = {};
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this.create();
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};
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jSlider.prototype.onstatechange = function(){
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};
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jSlider.prototype.create = function(){
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var $this = this;
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this.domNode = $( OPTIONS.template({
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className: OPTIONS.className,
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settings: {
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from: this.nice( this.settings.from ),
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to: this.nice( this.settings.to ),
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dimension: this.settings.dimension
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},
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scale: this.generateScale()
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}) );
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this.inputNode.after( this.domNode );
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this.drawScale();
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// set skin class
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if( this.settings.skin && this.settings.skin.length > 0 )
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this.setSkin( this.settings.skin );
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this.sizes = {
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domWidth: this.domNode.width(),
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domOffset: this.domNode.offset()
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};
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// find some objects
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$.extend(this.o, {
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pointers: {},
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labels: {
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0: {
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o: this.domNode.find(OPTIONS.selector + "value").not(OPTIONS.selector + "value-to")
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},
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1: {
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o: this.domNode.find(OPTIONS.selector + "value").filter(OPTIONS.selector + "value-to")
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}
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},
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limits: {
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0: this.domNode.find(OPTIONS.selector + "label").not(OPTIONS.selector + "label-to"),
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1: this.domNode.find(OPTIONS.selector + "label").filter(OPTIONS.selector + "label-to")
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}
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});
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$.extend(this.o.labels[0], {
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value: this.o.labels[0].o.find("span")
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});
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$.extend(this.o.labels[1], {
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value: this.o.labels[1].o.find("span")
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});
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if( !$this.settings.value.split(";")[1] ){
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this.settings.single = true;
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this.domNode.addDependClass("single");
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}
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if( !$this.settings.limits )
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this.domNode.addDependClass("limitless");
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this.domNode.find(OPTIONS.selector + "pointer").each(function( i ){
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var value = $this.settings.value.split(";")[i];
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if( value ){
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$this.o.pointers[i] = new jSliderPointer( this, i, $this );
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var prev = $this.settings.value.split(";")[i-1];
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if( prev && new Number(value) < new Number(prev) ) value = prev;
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value = value < $this.settings.from ? $this.settings.from : value;
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value = value > $this.settings.to ? $this.settings.to : value;
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$this.o.pointers[i].set( value, true );
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}
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});
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this.o.value = this.domNode.find(".v");
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this.is.init = true;
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$.each(this.o.pointers, function(i){
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$this.redraw(this);
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});
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(function(self){
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$(window).resize(function(){
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self.onresize();
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});
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})(this);
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};
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jSlider.prototype.setSkin = function( skin ){
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if( this.skin_ )
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this.domNode.removeDependClass( this.skin_, "_" );
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this.domNode.addDependClass( this.skin_ = skin, "_" );
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};
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jSlider.prototype.setPointersIndex = function( i ){
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$.each(this.getPointers(), function(i){
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this.index( i );
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});
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};
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jSlider.prototype.getPointers = function(){
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return this.o.pointers;
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};
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jSlider.prototype.generateScale = function(){
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if( this.settings.scale && this.settings.scale.length > 0 ){
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var str = "";
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var s = this.settings.scale;
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var prc = Math.round((100/(s.length-1))*10)/10;
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for( var i=0; i < s.length; i++ ){
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str += '<span style="left: ' + i*prc + '%">' + ( s[i] != '|' ? '<ins>' + s[i] + '</ins>' : '' ) + '</span>';
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};
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return str;
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} else return "";
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return "";
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};
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jSlider.prototype.drawScale = function(){
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this.domNode.find(OPTIONS.selector + "scale span ins").each(function(){
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$(this).css({ marginLeft: -$(this).outerWidth()/2 });
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});
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};
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jSlider.prototype.onresize = function(){
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var self = this;
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this.sizes = {
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domWidth: this.domNode.width(),
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domOffset: this.domNode.offset()
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};
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$.each(this.o.pointers, function(i){
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self.redraw(this);
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});
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};
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jSlider.prototype.update = function(){
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this.onresize();
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this.drawScale();
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};
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jSlider.prototype.limits = function( x, pointer ){
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// smooth
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if( !this.settings.smooth ){
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var step = this.settings.step*100 / ( this.settings.interval );
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x = Math.round( x/step ) * step;
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}
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var another = this.o.pointers[1-pointer.uid];
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if( another && pointer.uid && x < another.value.prc ) x = another.value.prc;
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if( another && !pointer.uid && x > another.value.prc ) x = another.value.prc;
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// base limit
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if( x < 0 ) x = 0;
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if( x > 100 ) x = 100;
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return Math.round( x*10 ) / 10;
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};
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jSlider.prototype.redraw = function( pointer ){
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if( !this.is.init ) return false;
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this.setValue();
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// redraw range line
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if( this.o.pointers[0] && this.o.pointers[1] )
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this.o.value.css({ left: this.o.pointers[0].value.prc + "%", width: ( this.o.pointers[1].value.prc - this.o.pointers[0].value.prc ) + "%" });
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this.o.labels[pointer.uid].value.html(
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this.nice(
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pointer.value.origin
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)
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);
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// redraw position of labels
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this.redrawLabels( pointer );
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};
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jSlider.prototype.redrawLabels = function( pointer ){
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function setPosition( label, sizes, prc ){
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sizes.margin = -sizes.label/2;
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// left limit
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label_left = sizes.border + sizes.margin;
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if( label_left < 0 )
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sizes.margin -= label_left;
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// right limit
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if( sizes.border+sizes.label / 2 > self.sizes.domWidth ){
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sizes.margin = 0;
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sizes.right = true;
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} else
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sizes.right = false;
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label.o.css({ left: prc + "%", marginLeft: sizes.margin, right: "auto" });
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if( sizes.right ) label.o.css({ left: "auto", right: 0 });
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return sizes;
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}
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var self = this;
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var label = this.o.labels[pointer.uid];
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var prc = pointer.value.prc;
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var sizes = {
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label: label.o.outerWidth(),
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right: false,
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border: ( prc * this.sizes.domWidth ) / 100
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};
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if( !this.settings.single ){
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// glue if near;
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var another = this.o.pointers[1-pointer.uid];
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var another_label = this.o.labels[another.uid];
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switch( pointer.uid ){
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case 0:
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if( sizes.border+sizes.label / 2 > another_label.o.offset().left-this.sizes.domOffset.left ){
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another_label.o.css({ visibility: "hidden" });
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another_label.value.html( this.nice( another.value.origin ) );
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label.o.css({ visibility: "visible" });
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prc = ( another.value.prc - prc ) / 2 + prc;
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if( another.value.prc != pointer.value.prc ){
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label.value.html( this.nice(pointer.value.origin) + " – " + this.nice(another.value.origin) );
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sizes.label = label.o.outerWidth();
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sizes.border = ( prc * this.sizes.domWidth ) / 100;
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}
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} else {
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another_label.o.css({ visibility: "visible" });
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}
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break;
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case 1:
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if( sizes.border - sizes.label / 2 < another_label.o.offset().left - this.sizes.domOffset.left + another_label.o.outerWidth() ){
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another_label.o.css({ visibility: "hidden" });
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another_label.value.html( this.nice(another.value.origin) );
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label.o.css({ visibility: "visible" });
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prc = ( prc - another.value.prc ) / 2 + another.value.prc;
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if( another.value.prc != pointer.value.prc ){
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label.value.html( this.nice(another.value.origin) + " – " + this.nice(pointer.value.origin) );
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sizes.label = label.o.outerWidth();
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sizes.border = ( prc * this.sizes.domWidth ) / 100;
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}
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} else {
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another_label.o.css({ visibility: "visible" });
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}
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break;
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}
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}
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sizes = setPosition( label, sizes, prc );
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/* draw second label */
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if( another_label ){
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var sizes = {
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label: another_label.o.outerWidth(),
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right: false,
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border: ( another.value.prc * this.sizes.domWidth ) / 100
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};
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sizes = setPosition( another_label, sizes, another.value.prc );
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}
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this.redrawLimits();
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};
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jSlider.prototype.redrawLimits = function(){
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if( this.settings.limits ){
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var limits = [ true, true ];
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for( key in this.o.pointers ){
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if( !this.settings.single || key == 0 ){
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var pointer = this.o.pointers[key];
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var label = this.o.labels[pointer.uid];
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var label_left = label.o.offset().left - this.sizes.domOffset.left;
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var limit = this.o.limits[0];
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if( label_left < limit.outerWidth() )
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limits[0] = false;
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var limit = this.o.limits[1];
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if( label_left + label.o.outerWidth() > this.sizes.domWidth - limit.outerWidth() )
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limits[1] = false;
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}
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};
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for( var i=0; i < limits.length; i++ ){
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if( limits[i] )
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this.o.limits[i].fadeIn("fast");
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else
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this.o.limits[i].fadeOut("fast");
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};
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}
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};
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jSlider.prototype.setValue = function(){
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var value = this.getValue();
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this.inputNode.attr( "value", value );
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this.onstatechange.call( this, value );
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};
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jSlider.prototype.getValue = function(){
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if(!this.is.init) return false;
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var $this = this;
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var value = "";
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$.each( this.o.pointers, function(i){
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if( this.value.prc != undefined && !isNaN(this.value.prc) ) value += (i > 0 ? ";" : "") + $this.prcToValue( this.value.prc );
|
|
});
|
|
return value;
|
|
};
|
|
|
|
jSlider.prototype.getPrcValue = function(){
|
|
if(!this.is.init) return false;
|
|
var $this = this;
|
|
|
|
var value = "";
|
|
$.each( this.o.pointers, function(i){
|
|
if( this.value.prc != undefined && !isNaN(this.value.prc) ) value += (i > 0 ? ";" : "") + this.value.prc;
|
|
});
|
|
return value;
|
|
};
|
|
|
|
jSlider.prototype.prcToValue = function( prc ){
|
|
|
|
if( this.settings.heterogeneity && this.settings.heterogeneity.length > 0 ){
|
|
var h = this.settings.heterogeneity;
|
|
|
|
var _start = 0;
|
|
var _from = this.settings.from;
|
|
|
|
for( var i=0; i <= h.length; i++ ){
|
|
if( h[i] ) var v = h[i].split("/");
|
|
else var v = [100, this.settings.to];
|
|
|
|
v[0] = new Number(v[0]);
|
|
v[1] = new Number(v[1]);
|
|
|
|
if( prc >= _start && prc <= v[0] ) {
|
|
var value = _from + ( (prc-_start) * (v[1]-_from) ) / (v[0]-_start);
|
|
}
|
|
|
|
_start = v[0];
|
|
_from = v[1];
|
|
};
|
|
|
|
} else {
|
|
var value = this.settings.from + ( prc * this.settings.interval ) / 100;
|
|
}
|
|
|
|
return this.round( value );
|
|
};
|
|
|
|
jSlider.prototype.valueToPrc = function( value, pointer ){
|
|
if( this.settings.heterogeneity && this.settings.heterogeneity.length > 0 ){
|
|
var h = this.settings.heterogeneity;
|
|
|
|
var _start = 0;
|
|
var _from = this.settings.from;
|
|
|
|
for (var i=0; i <= h.length; i++) {
|
|
if(h[i]) var v = h[i].split("/");
|
|
else var v = [100, this.settings.to];
|
|
v[0] = new Number(v[0]); v[1] = new Number(v[1]);
|
|
|
|
if(value >= _from && value <= v[1]){
|
|
var prc = pointer.limits(_start + (value-_from)*(v[0]-_start)/(v[1]-_from));
|
|
}
|
|
|
|
_start = v[0]; _from = v[1];
|
|
};
|
|
|
|
} else {
|
|
var prc = pointer.limits((value-this.settings.from)*100/this.settings.interval);
|
|
}
|
|
|
|
return prc;
|
|
};
|
|
|
|
jSlider.prototype.round = function( value ){
|
|
value = Math.round( value / this.settings.step ) * this.settings.step;
|
|
if( this.settings.round ) value = Math.round( value * Math.pow(10, this.settings.round) ) / Math.pow(10, this.settings.round);
|
|
else value = Math.round( value );
|
|
return value;
|
|
};
|
|
|
|
jSlider.prototype.nice = function( value ){
|
|
value = value.toString().replace(/,/gi, ".").replace(/ /gi, "");;
|
|
|
|
if( $.formatNumber ){
|
|
return $.formatNumber( new Number(value), this.settings.format || {} ).replace( /-/gi, "−" );
|
|
}
|
|
|
|
else {
|
|
return new Number(value);
|
|
}
|
|
};
|
|
|
|
|
|
function jSliderPointer(){
|
|
Draggable.apply( this, arguments );
|
|
}
|
|
jSliderPointer.prototype = new Draggable();
|
|
|
|
jSliderPointer.prototype.oninit = function( ptr, id, _constructor ){
|
|
this.uid = id;
|
|
this.parent = _constructor;
|
|
this.value = {};
|
|
this.settings = this.parent.settings;
|
|
};
|
|
|
|
jSliderPointer.prototype.onmousedown = function(evt){
|
|
this._parent = {
|
|
offset: this.parent.domNode.offset(),
|
|
width: this.parent.domNode.width()
|
|
};
|
|
this.ptr.addDependClass("hover");
|
|
this.setIndexOver();
|
|
};
|
|
|
|
jSliderPointer.prototype.onmousemove = function( evt, x ){
|
|
var coords = this._getPageCoords( evt );
|
|
this._set( this.calc( coords.x ) );
|
|
};
|
|
|
|
jSliderPointer.prototype.onmouseup = function( evt ){
|
|
if( this.parent.settings.callback && $.isFunction(this.parent.settings.callback) )
|
|
this.parent.settings.callback.call( this.parent, this.parent.getValue() );
|
|
|
|
this.ptr.removeDependClass("hover");
|
|
};
|
|
|
|
jSliderPointer.prototype.setIndexOver = function(){
|
|
this.parent.setPointersIndex( 1 );
|
|
this.index( 2 );
|
|
};
|
|
|
|
jSliderPointer.prototype.index = function( i ){
|
|
this.ptr.css({ zIndex: i });
|
|
};
|
|
|
|
jSliderPointer.prototype.limits = function( x ){
|
|
return this.parent.limits( x, this );
|
|
};
|
|
|
|
jSliderPointer.prototype.calc = function(coords){
|
|
var x = this.limits(((coords-this._parent.offset.left)*100)/this._parent.width);
|
|
return x;
|
|
};
|
|
|
|
jSliderPointer.prototype.set = function( value, opt_origin ){
|
|
this.value.origin = this.parent.round(value);
|
|
this._set( this.parent.valueToPrc( value, this ), opt_origin );
|
|
};
|
|
|
|
jSliderPointer.prototype._set = function( prc, opt_origin ){
|
|
if( !opt_origin )
|
|
this.value.origin = this.parent.prcToValue(prc);
|
|
|
|
this.value.prc = prc;
|
|
this.ptr.css({ left: prc + "%" });
|
|
this.parent.redraw(this);
|
|
};
|
|
|
|
})(jQuery); |