/**
* EasyUI for jQuery 1.10.16
*
* Copyright (c) 2009-2023 www.jeasyui.com. All rights reserved.
*
* Licensed under the freeware license: http://www.jeasyui.com/license_freeware.php
* To use it on other terms please contact us: info@jeasyui.com
*
*/
/**
* slider - EasyUI for jQuery
*
* Dependencies:
* draggable
*
*/
(function($){
function init(target){
var slider = $('
' +
'
' +
'' +
'' +
'
' +
'' +
'' +
'' +
'' +
'
').insertAfter(target);
var t = $(target);
t.addClass('slider-f').hide();
var name = t.attr('name');
if (name){
slider.find('input.slider-value').attr('name', name);
t.removeAttr('name').attr('sliderName', name);
}
slider._bind('_resize', function(e,force){
if ($(this).hasClass('easyui-fluid') || force){
setSize(target);
}
return false;
});
return slider;
}
/**
* set the slider size, for vertical slider, the height property is required
*/
function setSize(target, param){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
if (param){
if (param.width) opts.width = param.width;
if (param.height) opts.height = param.height;
}
slider._size(opts);
if (opts.mode == 'h'){
slider.css('height', '');
slider.children('div').css('height', '');
} else {
slider.css('width', '');
slider.children('div').css('width', '');
slider.children('div.slider-rule,div.slider-rulelabel,div.slider-inner')._outerHeight(slider._outerHeight());
}
initValue(target);
}
/**
* show slider rule if needed
*/
function showRule(target){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
var aa = opts.mode == 'h' ? opts.rule : opts.rule.slice(0).reverse();
if (opts.reversed){
aa = aa.slice(0).reverse();
}
_build(aa);
function _build(aa){
var rule = slider.find('div.slider-rule');
var label = slider.find('div.slider-rulelabel');
rule.empty();
label.empty();
for(var i=0; i').appendTo(rule);
span.css((opts.mode=='h'?'left':'top'), distance);
// show the labels
if (aa[i] != '|'){
span = $('').appendTo(label);
span.html(aa[i]);
if (opts.mode == 'h'){
span.css({
left: distance,
marginLeft: -Math.round(span.outerWidth()/2)
});
} else {
span.css({
top: distance,
marginTop: -Math.round(span.outerHeight()/2)
});
}
}
}
}
}
/**
* build the slider and set some properties
*/
function buildSlider(target){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
slider.removeClass('slider-h slider-v slider-disabled');
slider.addClass(opts.mode == 'h' ? 'slider-h' : 'slider-v');
slider.addClass(opts.disabled ? 'slider-disabled' : '');
var inner = slider.find('.slider-inner');
inner.html(
'' +
''
);
if (opts.range){
inner.append(
'' +
''
);
}
slider.find('a.slider-handle').draggable({
axis:opts.mode,
cursor:'pointer',
disabled: opts.disabled,
onDrag:function(e){
var left = e.data.left;
var width = slider.width();
if (opts.mode!='h'){
left = e.data.top;
width = slider.height();
}
if (left < 0 || left > width) {
return false;
} else {
setPos(left, this);
return false;
}
},
onStartDrag:function(){
state.isDragging = true;
opts.onSlideStart.call(target, opts.value);
},
onStopDrag:function(e){
setPos(opts.mode=='h'?e.data.left:e.data.top, this);
opts.onSlideEnd.call(target, opts.value);
opts.onComplete.call(target, opts.value);
state.isDragging = false;
}
});
slider.find('div.slider-inner')._unbind('.slider')._bind('mousedown.slider', function(e){
if (state.isDragging || opts.disabled){return}
var pos = $(this).offset();
setPos(opts.mode=='h'?(e.pageX-pos.left):(e.pageY-pos.top));
opts.onComplete.call(target, opts.value);
});
function fixVal(value){
var dd = String(opts.step).split('.');
var dlen = dd.length>1 ? dd[1].length : 0;
return parseFloat(value.toFixed(dlen));
}
function setPos(pos, handle){
var value = pos2value(target, pos);
var s = Math.abs(value % opts.step);
if (value >= 0){
if (s < opts.step/2){
value -= s;
} else {
value = value - s + opts.step;
}
} else {
if (s < opts.step/2){
value += s;
} else {
value = value + s - opts.step;
}
}
value = fixVal(value);
if (opts.range){
var v1 = opts.value[0];
var v2 = opts.value[1];
var m = parseFloat((v1+v2)/2);
if (handle){
var isLeft = $(handle).nextAll('.slider-handle').length > 0;
if (value <= v2 && isLeft){
v1 = value;
} else if (value >= v1 && (!isLeft)){
v2 = value;
}
} else {
if (value < v1){
v1 = value;
} else if (value > v2){
v2 = value;
} else {
value < m ? v1 = value : v2 = value;
}
}
$(target).slider('setValues', [v1,v2]);
} else {
$(target).slider('setValue', value);
}
}
}
/**
* set a specified value to slider
*/
function setValues(target, values){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
var oldValues = $.isArray(opts.value) ? opts.value : [opts.value];
var newValues = [];
if (!$.isArray(values)){
values = $.map(String(values).split(opts.separator), function(v){
return parseFloat(v);
});
}
slider.find('.slider-value').remove();
var name = $(target).attr('sliderName') || '';
for(var i=0; i opts.max) value = opts.max;
var input = $('').appendTo(slider);
input.attr('name', name);
input.val(value);
newValues.push(value);
var handle = slider.find('.slider-handle:eq('+i+')');
var tip = handle.next();
var pos = value2pos(target, value);
if (opts.showTip){
tip.show();
tip.html(opts.tipFormatter.call(target, value));
} else {
tip.hide();
}
if (opts.mode == 'h'){
var style = 'left:'+pos+'px;';
handle.attr('style', style);
tip.attr('style', style + 'margin-left:' + (-Math.round(tip.outerWidth()/2)) + 'px');
} else {
var style = 'top:' + pos + 'px;';
handle.attr('style', style);
tip.attr('style', style + 'margin-left:' + (-Math.round(tip.outerWidth())) + 'px');
}
}
opts.value = opts.range ? newValues : newValues[0];
$(target).val(opts.range ? newValues.join(opts.separator) : newValues[0]);
if (oldValues.join(',') != newValues.join(',')){
opts.onChange.call(target, opts.value, (opts.range?oldValues:oldValues[0]));
}
}
function initValue(target){
var opts = $.data(target, 'slider').options;
var fn = opts.onChange;
opts.onChange = function(){};
setValues(target, opts.value);
opts.onChange = fn;
}
/**
* translate value to slider position
*/
function value2pos(target, value){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
var size = opts.mode == 'h' ? slider.width() : slider.height();
var pos = opts.converter.toPosition.call(target, value, size);
if (opts.mode == 'v'){
pos = slider.height() - pos;
}
if (opts.reversed){
pos = size - pos;
}
return pos;
// return pos.toFixed(0);
}
/**
* translate slider position to value
*/
function pos2value(target, pos){
var state = $.data(target, 'slider');
var opts = state.options;
var slider = state.slider;
var size = opts.mode == 'h' ? slider.width() : slider.height();
var pos = opts.mode=='h' ? (opts.reversed?(size-pos):pos) : (opts.reversed?pos:(size-pos));
var value = opts.converter.toValue.call(target, pos, size);
return value;
// return value.toFixed(0);
}
$.fn.slider = function(options, param){
if (typeof options == 'string'){
return $.fn.slider.methods[options](this, param);
}
options = options || {};
return this.each(function(){
var state = $.data(this, 'slider');
if (state){
$.extend(state.options, options);
} else {
state = $.data(this, 'slider', {
options: $.extend({}, $.fn.slider.defaults, $.fn.slider.parseOptions(this), options),
slider: init(this)
});
// $(this).removeAttr('disabled');
$(this)._propAttr('disabled', false);
}
var opts = state.options;
opts.min = parseFloat(opts.min);
opts.max = parseFloat(opts.max);
if (opts.range){
if (!$.isArray(opts.value)){
opts.value = $.map(String(opts.value).split(opts.separator), function(v){
return parseFloat(v);
});
}
if (opts.value.length < 2){
opts.value.push(opts.max);
}
} else {
opts.value = parseFloat(opts.value);
}
opts.step = parseFloat(opts.step);
opts.originalValue = opts.value;
buildSlider(this);
showRule(this);
setSize(this);
});
};
$.fn.slider.methods = {
options: function(jq){
return $.data(jq[0], 'slider').options;
},
destroy: function(jq){
return jq.each(function(){
$.data(this, 'slider').slider.remove();
$(this).remove();
});
},
resize: function(jq, param){
return jq.each(function(){
setSize(this, param);
});
},
getValue: function(jq){
return jq.slider('options').value;
},
getValues: function(jq){
return jq.slider('options').value;
},
setValue: function(jq, value){
return jq.each(function(){
setValues(this, [value]);
});
},
setValues: function(jq, values){
return jq.each(function(){
setValues(this, values);
});
},
clear: function(jq){
return jq.each(function(){
var opts = $(this).slider('options');
setValues(this, opts.range?[opts.min,opts.max]:[opts.min]);
});
},
reset: function(jq){
return jq.each(function(){
var opts = $(this).slider('options');
$(this).slider(opts.range?'setValues':'setValue', opts.originalValue);
});
},
enable: function(jq){
return jq.each(function(){
$.data(this, 'slider').options.disabled = false;
buildSlider(this);
});
},
disable: function(jq){
return jq.each(function(){
$.data(this, 'slider').options.disabled = true;
buildSlider(this);
});
}
};
$.fn.slider.parseOptions = function(target){
var t = $(target);
return $.extend({}, $.parser.parseOptions(target, [
'width','height','mode',{reversed:'boolean',showTip:'boolean',range:'boolean',min:'number',max:'number',step:'number'}
]), {
value: (t.val() || undefined),
disabled: (t.attr('disabled') ? true : undefined),
rule: (t.attr('rule') ? eval(t.attr('rule')) : undefined)
});
};
$.fn.slider.defaults = {
width: 'auto',
height: 'auto',
mode: 'h', // 'h'(horizontal) or 'v'(vertical)
reversed: false,
showTip: false,
disabled: false,
range: false,
value: 0,
separator: ',',
min: 0,
max: 100,
step: 1,
rule: [], // [0,'|',100]
tipFormatter: function(value){return value},
converter:{
toPosition:function(value, size){
var opts = $(this).slider('options');
var p = (value-opts.min)/(opts.max-opts.min)*size;
return p;
},
toValue:function(pos, size){
var opts = $(this).slider('options');
var v = opts.min + (opts.max-opts.min)*(pos/size);
return v;
}
},
onChange: function(value, oldValue){},
onSlideStart: function(value){},
onSlideEnd: function(value){},
onComplete: function(value){}
};
})(jQuery);