File "jquery.slider.js"
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/**
* jquery.slideregor - Slider ui control in jQuery
*
* Written by
* Egor Khmelev (hmelyoff@gmail.com)
*
* Licensed under the MIT (MIT-LICENSE.txt).
*
* @author Egor Khmelev
* @version 1.1.0-RELEASE ($Id$)
*
* Dependencies
*
* jQuery (http://jquery.com)
* jquery.numberformatter (http://code.google.com/p/jquery-numberformatter/)
* tmpl (http://ejohn.org/blog/javascript-micro-templating/)
* jquery.dependClass
* draggable
*
**/
(function( $ ) {
"use strict";
function isArray( value ){
if( typeof value == "undefined" ) return false;
if (value instanceof Array || (!(value instanceof Object) &&
(Object.prototype.toString.call((value)) == '[object Array]') ||
typeof value.length == 'number' &&
typeof value.splice != 'undefined' &&
typeof value.propertyIsEnumerable != 'undefined' &&
!value.propertyIsEnumerable('splice')
)) {
return true;
}
return false;
}
$.slideregor = function( node, settings ){
var jNode = $(node);
if( !jNode.data( "jslider" ) )
jNode.data( "jslider", new jSlider( node, settings ) );
return jNode.data( "jslider" );
};
$.fn.slideregor = function( action, opt_value ){
var returnValue, args = arguments;
function isDef( val ){
return val !== undefined;
};
function isDefAndNotNull( val ){
return val != null;
};
this.each(function(){
var self = $.slideregor( this, action );
// do actions
if( typeof action == "string" ){
switch( action ){
case "value":
if( isDef( args[ 1 ] ) && isDef( args[ 2 ] ) ){
var pointers = self.getPointers();
if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
pointers[0].set( args[ 1 ] );
pointers[0].setIndexOver();
}
if( isDefAndNotNull( pointers[1] ) && isDefAndNotNull( args[2] ) ){
pointers[1].set( args[ 2 ] );
pointers[1].setIndexOver();
}
}
else if( isDef( args[ 1 ] ) ){
var pointers = self.getPointers();
if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
pointers[0].set( args[ 1 ] );
pointers[0].setIndexOver();
}
}
else
returnValue = self.getValue();
break;
case "prc":
if( isDef( args[ 1 ] ) && isDef( args[ 2 ] ) ){
var pointers = self.getPointers();
if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
pointers[0]._set( args[ 1 ] );
pointers[0].setIndexOver();
}
if( isDefAndNotNull( pointers[1] ) && isDefAndNotNull( args[2] ) ){
pointers[1]._set( args[ 2 ] );
pointers[1].setIndexOver();
}
}
else if( isDef( args[ 1 ] ) ){
var pointers = self.getPointers();
if( isDefAndNotNull( pointers[0] ) && isDefAndNotNull( args[1] ) ){
pointers[0]._set( args[ 1 ] );
pointers[0].setIndexOver();
}
}
else
returnValue = self.getPrcValue();
break;
case "calculatedValue":
var value = self.getValue().split(";");
returnValue = "";
for (var i=0; i < value.length; i++) {
returnValue += (i > 0 ? ";" : "") + self.nice( value[i] );
};
break;
case "skin":
self.setSkin( args[1] );
break;
};
}
// return actual object
else if( !action && !opt_value ){
if( !isArray( returnValue ) )
returnValue = [];
returnValue.push( self );
}
});
// flatten array just with one slider
if( isArray( returnValue ) && returnValue.length == 1 )
returnValue = returnValue[ 0 ];
return returnValue || this;
};
var OPTIONS = {
settings: {
from: 1,
to: 10,
step: 1,
smooth: true,
limits: true,
round: 0,
format: { format: "#,##0.##" },
value: "5;7",
dimension: ""
},
className: "jslider",
selector: ".jslider-",
template: tmpl(
'<span class="<%=className%>">' +
'<table><tr><td>' +
'<div class="<%=className%>-bg">' +
'<i class="l"></i><i class="f"></i><i class="r"></i>' +
'<i class="v"></i>' +
'</div>' +
'<div class="<%=className%>-pointer"></div>' +
'<div class="<%=className%>-pointer <%=className%>-pointer-to"></div>' +
'<div class="<%=className%>-label"><span><%=settings.from%></span></div>' +
'<div class="<%=className%>-label <%=className%>-label-to"><span><%=settings.to%></span><%=settings.dimension%></div>' +
'<div class="<%=className%>-value"><span></span><%=settings.dimension%></div>' +
'<div class="<%=className%>-value <%=className%>-value-to"><span></span><%=settings.dimension%></div>' +
'<div class="<%=className%>-scale"><%=scale%></div>'+
'</td></tr></table>' +
'</span>'
)
};
function jSlider(){
return this.init.apply( this, arguments );
};
jSlider.prototype.init = function( node, settings ){
this.settings = $.extend(true, {}, OPTIONS.settings, settings ? settings : {});
// obj.slideregorHandler = this;
this.inputNode = $( node ).hide();
this.settings.interval = this.settings.to-this.settings.from;
this.settings.value = this.inputNode.attr("value");
if( this.settings.calculate && $.isFunction( this.settings.calculate ) )
this.nice = this.settings.calculate;
if( this.settings.onstatechange && $.isFunction( this.settings.onstatechange ) )
this.onstatechange = this.settings.onstatechange;
this.is = {
init: false
};
this.o = {};
this.create();
};
jSlider.prototype.onstatechange = function(){
};
jSlider.prototype.create = function(){
var $this = this;
this.domNode = $( OPTIONS.template({
className: OPTIONS.className,
settings: {
from: this.nice( this.settings.from ),
to: this.nice( this.settings.to ),
dimension: this.settings.dimension
},
scale: this.generateScale()
}) );
this.inputNode.after( this.domNode );
this.drawScale();
// set skin class
if( this.settings.skin && this.settings.skin.length > 0 )
this.setSkin( this.settings.skin );
this.sizes = {
domWidth: this.domNode.width(),
domOffset: this.domNode.offset()
};
// find some objects
$.extend(this.o, {
pointers: {},
labels: {
0: {
o: this.domNode.find(OPTIONS.selector + "value").not(OPTIONS.selector + "value-to")
},
1: {
o: this.domNode.find(OPTIONS.selector + "value").filter(OPTIONS.selector + "value-to")
}
},
limits: {
0: this.domNode.find(OPTIONS.selector + "label").not(OPTIONS.selector + "label-to"),
1: this.domNode.find(OPTIONS.selector + "label").filter(OPTIONS.selector + "label-to")
}
});
$.extend(this.o.labels[0], {
value: this.o.labels[0].o.find("span")
});
$.extend(this.o.labels[1], {
value: this.o.labels[1].o.find("span")
});
if( !$this.settings.value.split(";")[1] ){
this.settings.single = true;
this.domNode.addDependClass("single");
}
if( !$this.settings.limits )
this.domNode.addDependClass("limitless");
this.domNode.find(OPTIONS.selector + "pointer").each(function( i ){
var value = $this.settings.value.split(";")[i];
if( value ){
$this.o.pointers[i] = new jSliderPointer( this, i, $this );
var prev = $this.settings.value.split(";")[i-1];
if( prev && new Number(value) < new Number(prev) ) value = prev;
value = value < $this.settings.from ? $this.settings.from : value;
value = value > $this.settings.to ? $this.settings.to : value;
$this.o.pointers[i].set( value, true );
}
});
this.o.value = this.domNode.find(".v");
this.is.init = true;
$.each(this.o.pointers, function(i){
$this.redraw(this);
});
(function(self){
$(window).resize(function(){
self.onresize();
});
})(this);
};
jSlider.prototype.setSkin = function( skin ){
if( this.skin_ )
this.domNode.removeDependClass( this.skin_, "_" );
this.domNode.addDependClass( this.skin_ = skin, "_" );
};
jSlider.prototype.setPointersIndex = function( i ){
$.each(this.getPointers(), function(i){
this.index( i );
});
};
jSlider.prototype.getPointers = function(){
return this.o.pointers;
};
jSlider.prototype.generateScale = function(){
if( this.settings.scale && this.settings.scale.length > 0 ){
var str = "";
var s = this.settings.scale;
var prc = Math.round((100/(s.length-1))*10)/10;
for( var i=0; i < s.length; i++ ){
str += '<span style="left: ' + i*prc + '%">' + ( s[i] != '|' ? '<ins>' + s[i] + '</ins>' : '' ) + '</span>';
};
return str;
} else return "";
return "";
};
jSlider.prototype.drawScale = function(){
this.domNode.find(OPTIONS.selector + "scale span ins").each(function(){
$(this).css({ marginLeft: -$(this).outerWidth()/2 });
});
};
jSlider.prototype.onresize = function(){
var self = this;
this.sizes = {
domWidth: this.domNode.width(),
domOffset: this.domNode.offset()
};
$.each(this.o.pointers, function(i){
self.redraw(this);
});
};
jSlider.prototype.update = function(){
this.onresize();
this.drawScale();
};
jSlider.prototype.limits = function( x, pointer ){
// smooth
if( !this.settings.smooth ){
var step = this.settings.step*100 / ( this.settings.interval );
x = Math.round( x/step ) * step;
}
var another = this.o.pointers[1-pointer.uid];
if( another && pointer.uid && x < another.value.prc ) x = another.value.prc;
if( another && !pointer.uid && x > another.value.prc ) x = another.value.prc;
// base limit
if( x < 0 ) x = 0;
if( x > 100 ) x = 100;
return Math.round( x*10 ) / 10;
};
jSlider.prototype.redraw = function( pointer ){
if( !this.is.init ) return false;
this.setValue();
// redraw range line
if( this.o.pointers[0] && this.o.pointers[1] )
this.o.value.css({ left: this.o.pointers[0].value.prc + "%", width: ( this.o.pointers[1].value.prc - this.o.pointers[0].value.prc ) + "%" });
this.o.labels[pointer.uid].value.html(
this.nice(
pointer.value.origin
)
);
// redraw position of labels
this.redrawLabels( pointer );
};
jSlider.prototype.redrawLabels = function( pointer ){
function setPosition( label, sizes, prc ){
sizes.margin = -sizes.label/2;
// left limit
label_left = sizes.border + sizes.margin;
if( label_left < 0 )
sizes.margin -= label_left;
// right limit
if( sizes.border+sizes.label / 2 > self.sizes.domWidth ){
sizes.margin = 0;
sizes.right = true;
} else
sizes.right = false;
label.o.css({ left: prc + "%", marginLeft: sizes.margin, right: "auto" });
if( sizes.right ) label.o.css({ left: "auto", right: 0 });
return sizes;
}
var self = this;
var label = this.o.labels[pointer.uid];
var prc = pointer.value.prc;
var sizes = {
label: label.o.outerWidth(),
right: false,
border: ( prc * this.sizes.domWidth ) / 100
};
if( !this.settings.single ){
// glue if near;
var another = this.o.pointers[1-pointer.uid];
var another_label = this.o.labels[another.uid];
switch( pointer.uid ){
case 0:
if( sizes.border+sizes.label / 2 > another_label.o.offset().left-this.sizes.domOffset.left ){
another_label.o.css({ visibility: "hidden" });
another_label.value.html( this.nice( another.value.origin ) );
label.o.css({ visibility: "visible" });
prc = ( another.value.prc - prc ) / 2 + prc;
if( another.value.prc != pointer.value.prc ){
label.value.html( this.nice(pointer.value.origin) + " – " + this.nice(another.value.origin) );
sizes.label = label.o.outerWidth();
sizes.border = ( prc * this.sizes.domWidth ) / 100;
}
} else {
another_label.o.css({ visibility: "visible" });
}
break;
case 1:
if( sizes.border - sizes.label / 2 < another_label.o.offset().left - this.sizes.domOffset.left + another_label.o.outerWidth() ){
another_label.o.css({ visibility: "hidden" });
another_label.value.html( this.nice(another.value.origin) );
label.o.css({ visibility: "visible" });
prc = ( prc - another.value.prc ) / 2 + another.value.prc;
if( another.value.prc != pointer.value.prc ){
label.value.html( this.nice(another.value.origin) + " – " + this.nice(pointer.value.origin) );
sizes.label = label.o.outerWidth();
sizes.border = ( prc * this.sizes.domWidth ) / 100;
}
} else {
another_label.o.css({ visibility: "visible" });
}
break;
}
}
sizes = setPosition( label, sizes, prc );
/* draw second label */
if( another_label ){
var sizes = {
label: another_label.o.outerWidth(),
right: false,
border: ( another.value.prc * this.sizes.domWidth ) / 100
};
sizes = setPosition( another_label, sizes, another.value.prc );
}
this.redrawLimits();
};
jSlider.prototype.redrawLimits = function(){
if( this.settings.limits ){
var limits = [ true, true ];
for( key in this.o.pointers ){
if( !this.settings.single || key == 0 ){
var pointer = this.o.pointers[key];
var label = this.o.labels[pointer.uid];
var label_left = label.o.offset().left - this.sizes.domOffset.left;
var limit = this.o.limits[0];
if( label_left < limit.outerWidth() )
limits[0] = false;
var limit = this.o.limits[1];
if( label_left + label.o.outerWidth() > this.sizes.domWidth - limit.outerWidth() )
limits[1] = false;
}
};
for( var i=0; i < limits.length; i++ ){
if( limits[i] )
this.o.limits[i].fadeIn("fast");
else
this.o.limits[i].fadeOut("fast");
};
}
};
jSlider.prototype.setValue = function(){
var value = this.getValue();
this.inputNode.attr( "value", value );
this.onstatechange.call( this, value );
};
jSlider.prototype.getValue = 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.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);
};
// Simple JavaScript Templating
function tmpl(str, data){
// Figure out if we're getting a template, or if we need to
// load the template - and be sure to cache the result.
var fn = !/\W/.test(str) ?
cache[str] = cache[str] ||
tmpl(document.getElementById(str).innerHTML) :
// Generate a reusable function that will serve as a template
// generator (and which will be cached).
new Function("obj",
"var p=[],print=function(){p.push.apply(p,arguments);};" +
// Introduce the data as local variables using with(){}
"with(obj){p.push('" +
// Convert the template into pure JavaScript
str
.replace(/[\r\t\n]/g, " ")
.split("<%").join("\t")
.replace(/((^|%>)[^\t]*)'/g, "$1\r")
.replace(/\t=(.*?)%>/g, "',$1,'")
.split("\t").join("');")
.split("%>").join("p.push('")
.split("\r").join("\\'")
+ "');}return p.join('');");
// Provide some basic currying to the user
return data ? fn( data ) : fn;
};
})(jQuery);