var app = angular.module('angularjs-starter', []);
app.controller('MainCtrl', function($scope) {
$scope.search = { price_min : '', price_max : '', amount_min : 1000, amount_max : 5000 };
});
/* Range Slider
Input with default values:
-min=0 // Min slider value
-max=100 // Max slider value
-step=1 // Steps
Output / Input model
-value-min // Default value @min
-value-max // Default value @max
example:
<slider-range min="0" max="100" step="5" value-min="scope.form.slider_value_min" value-max="scope.form.slider_value_max"></slider-range>
*/
app.directive('sliderRange', ['$document',function($document) {
// Move slider handle and range line
var moveHandle = function(handle, elem, posX) {
$(elem).find('.handle.'+handle).css("left",posX +'%');
};
var moveRange = function(elem,posMin,posMax) {
$(elem).find('.range').css("left",posMin +'%');
$(elem).find('.range').css("width",posMax - posMin +'%');
};
return {
template: '<div class="slider horizontal">'+
'<div class="range"></div>'+
'<a class="handle min" ng-mousedown="mouseDownMin($event)"></a>'+
'<a class="handle max" ng-mousedown="mouseDownMax($event)"></a>'+
'</div>',
replace: true,
restrict: 'E',
scope:{
valueMin:"=",
valueMax:"="
},
link: function postLink(scope, element, attrs) {
// Initilization
var dragging = false;
var startPointXMin = 0;
var startPointXMax = 0;
var xPosMin = 0;
var xPosMax = 0;
var settings = {
"min" : (typeof(attrs.min) !== "undefined" ? parseInt(attrs.min,10) : 0),
"max" : (typeof(attrs.max) !== "undefined" ? parseInt(attrs.max,10) : 100),
"step" : (typeof(attrs.step) !== "undefined" ? parseInt(attrs.step,10) : 1)
};
if ( typeof(scope.valueMin) == "undefined" || scope.valueMin === '' )
scope.valueMin = settings.min;
if ( typeof(scope.valueMax) == "undefined" || scope.valueMax === '' )
scope.valueMax = settings.max;
// Track changes only from the outside of the directive
scope.$watch('valueMin', function() {
if (dragging) return;
xPosMin = ( scope.valueMin - settings.min ) / (settings.max - settings.min ) * 100;
if(xPosMin < 0) {
xPosMin = 0;
} else if(xPosMin > 100) {
xPosMin = 100;
}
moveHandle("min",element,xPosMin);
moveRange(element,xPosMin,xPosMax);
});
scope.$watch('valueMax', function() {
if (dragging) return;
xPosMax = ( scope.valueMax - settings.min ) / (settings.max - settings.min ) * 100;
if(xPosMax < 0) {
xPosMax = 0;
} else if(xPosMax > 100) {
xPosMax = 100;
}
moveHandle("max",element,xPosMax);
moveRange(element,xPosMin,xPosMax);
});
// Real action control is here
scope.mouseDownMin = function($event) {
dragging = true;
startPointXMin = $event.pageX;
// Bind to full document, to make move easiery (not to lose focus on y axis)
$document.on('mousemove', function($event) {
if(!dragging) return;
//Calculate handle position
var moveDelta = $event.pageX - startPointXMin;
xPosMin = xPosMin + ( (moveDelta / element.outerWidth()) * 100 );
if(xPosMin < 0) {
xPosMin = 0;
} else if(xPosMin > xPosMax) {
xPosMin = xPosMax;
} else {
// Prevent generating "lag" if moving outside window
startPointXMin = $event.pageX;
}
scope.valueMin = Math.round((((settings.max - settings.min ) * (xPosMin / 100))+settings.min)/settings.step ) * settings.step;
scope.$apply();
// Move the Handle
moveHandle("min", element,xPosMin);
moveRange(element,xPosMin,xPosMax);
});
$document.mouseup(function(){
dragging = false;
$document.unbind('mousemove');
$document.unbind('mousemove');
});
};
scope.mouseDownMax = function($event) {
dragging = true;
startPointXMax = $event.pageX;
// Bind to full document, to make move easiery (not to lose focus on y axis)
$document.on('mousemove', function($event) {
if(!dragging) return;
//Calculate handle position
var moveDelta = $event.pageX - startPointXMax;
xPosMax = xPosMax + ( (moveDelta / element.outerWidth()) * 100 );
if(xPosMax > 100) {
xPosMax = 100;
} else if(xPosMax < xPosMin) {
xPosMax = xPosMin;
} else {
// Prevent generating "lag" if moving outside window
startPointXMax = $event.pageX;
}
scope.valueMax = Math.round((((settings.max - settings.min ) * (xPosMax / 100))+settings.min)/settings.step ) * settings.step;
scope.$apply();
// Move the Handle
moveHandle("max", element,xPosMax);
moveRange(element,xPosMin,xPosMax);
});
$document.mouseup(function(){
dragging = false;
$document.unbind('mousemove');
$document.unbind('mousemove');
});
};
}
};
}]);
<!DOCTYPE html>
<html ng-app="angularjs-starter">
<head lang="en">
<meta charset="utf-8">
<title>Custom Plunker</title>
<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.2.2/css/bootstrap-combined.min.css"
rel="stylesheet">
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.5/angular.min.js"></script>
<link rel="stylesheet" href="style.css">
<script>
document.write('<base href="' + document.location + '" />');
</script>
<script src="app.js"></script>
</head>
<body ng-controller="MainCtrl">
<h1>Angular.js Range Slider</h1>
<hr>
<p>Price Min: <input ng-model="search.price_min"/> Input / Output</p>
<p>Price Max: <input ng-model="search.price_max"/> Input / Output</p>
<slider-range min="10" max="200" value-min="search.price_min" value-max="search.price_max"></slider-range>
<hr>
<p>Amount Min: <input ng-model="search.amount_min"/> Input / Output</p>
<p>Amount Max: <input ng-model="search.amount_max"/> Input / Output</p>
<slider-range min="0" max="10000" step="1000" value-min="search.amount_min" value-max="search.amount_max"></slider-range>
<hr>
</body>
</html>
/* CSS goes here */
.slider {
position: relative;
text-align: left;
border: 1px solid gray;
height: 0.6em;
}
.slider .handle {
position: absolute;
z-index: 2;
width: 1.2em;
height: 1.2em;
background-color: gray;
}
.handle {
top: -0.3em;
margin-left: -0.6em;
}
.slider .range {
position: absolute;
z-index: 1;
display: block;
font-size: .7em;
background-color: red;
top: 0;
height: 100%;
}