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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Area Finder Control</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<!-- Le styles -->
<link href="css/bootstrap.css" rel="stylesheet">
<style>
body {
padding-top: 60px; /* 60px to make the container go all the way to the bottom of the topbar */
}
.label-info {
background-color: yellow;
}
.label > .label-info {
color: gray;
text-shadow: none;
}
</style>
<link href="css/bootstrap-responsive.css" rel="stylesheet">
<!-- Le HTML5 shim, for IE6-8 support of HTML5 elements -->
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </a>
<a class="brand" href="#">Area Finder Control</a>
<div class="nav-collapse">
<ul class="nav">
</ul>
</div><!--/.nav-collapse -->
</div>
</div>
</div>
<div class="container">
<div class="areaFinderControl" data-bind="template: 'myAF'"></div>
</div>
<!-- /container -->
<!-- Le javascript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script src="js/knockout-2.1.0.js"></script>
<script src="js/knockout.mapping.min.js"></script>
<script type="text/javascript">
var myAF = myAF || {};
myAF.provinces = [{
province : 'Gauteng',
cities : [{
city : 'Johannesburg',
suburbs : [{
suburb : 'Bryanston',
total : 2
}, {
suburb : 'Northcliff',
total : 4
}, {
suburb : 'Sandton',
total : 7
}]
}, {
city : 'Pretoria',
suburbs : [{
suburb : 'Brooklyn',
total : 3
}, {
suburb : 'Hatfield',
total : 2
}, {
suburb : 'Wapadrand',
total : 9
}]
}]
}, {
province : 'KwaZulu-Natal',
cities : [{
city : 'Durban',
suburbs : [{
suburb : 'Umhlanga',
total : 1
}]
}]
}, {
province : 'Western Cape',
cities : [{
city : 'Cape Town',
suburbs : [{
suburb : 'Claremont',
total : 18
}, {
suburb : 'Durbanville',
total : 6
}, {
suburb : 'Woodstock',
total : 1
}]
}, {
city : 'George',
suburbs : [{
suburb : 'Glenbarrie',
total : 3
}, {
suburb : 'Loerie Park',
total : 1
}, {
suburb : 'Parkdene',
total : 1
}]
}]
}];
</script>
<script type="text/javascript">
//Add namespace
var myAF = myAF || {};
//Define Viewmodel
myAF.ViewModel = function() {
var self = this;
self.search = ko.observable('');
self.found = ko.observableArray();
self.resultsShown = ko.observable(false);
self.toggleResultsShown = function() {
self.resultsShown(!self.resultsShown());
}
self.provinces = ko.mapping.fromJS(myAF.provinces);
self.selectedProvince = ko.observable(self.provinces()[0]);
self.selectedCity = ko.observable(self.selectedProvince().cities()[0]);
self.searchThrottled = ko.computed(self.search).extend({
throttle : 400
});
self.searchThrottled.subscribe(function(val) {
if (val != '')
this.resultsShown(true);
ko.mapping.fromJS(myAF.provinces, this.provinces);
if (val != '') {
for (var i = this.provinces().length - 1; i >= 0; i--) {
var o = this.provinces()[i];
if (o.province().toLowerCase().indexOf(val.toLowerCase()) == -1) {
for (var ii = o.cities().length - 1; ii >= 0; ii--) {
var oo = o.cities()[ii];
if (oo.city().toLowerCase().indexOf(val.toLowerCase()) == -1) {
for (var iii = oo.suburbs().length - 1; iii >= 0; iii--) {
var ooo = oo.suburbs()[iii];
if (ooo.suburb().toLowerCase().indexOf(val.toLowerCase()) == -1) {
oo.suburbs.remove(ooo);
}
}
if (oo.suburbs().length == 0) {
o.cities.remove(oo);
}
}
}
if (o.cities().length == 0) {
this.provinces.remove(o);
}
}
};
};
this.selectCity({});
this.selectProvince(self.provinces()[0] || {});
}, self);
self.selectProvince = function(val) {
self.selectedProvince(val);
if (val.cities && val.cities().length > 0) {
self.selectedCity(val.cities()[0])
} else {
self.selectedCity({});
};
};
self.isFound = function(val) {
return (self.found.indexOf(val.suburb()) > -1);
};
self.selectCity = function(val) {
self.selectedCity(val);
};
self.selectSuburb = function(val) {
if (self.found.indexOf(val.suburb()) > -1) {
self.unselectSuburb(val.suburb());
} else {
self.found.push(val.suburb());
}
};
self.unselectSuburb = function(val) {
self.found.remove(val);
};
self.highlight = function(name) {
return name.replace(new RegExp(self.searchThrottled(), 'i'), '<span class="label-info">$&</span>');
}
self.cityWithTotal = function(city) {
var total = 0;
$.each(city.suburbs(), function(i, o) {
total += o.total();
});
return self.highlight(city.city() + " (" + total + ")");
};
self.provinceWithTotal = function(province) {
var total = 0;
$.each(province.cities(), function(i, o) {
$.each(o.suburbs(), function(ii, oo) {
total += oo.total();
});
});
return self.highlight(province.province() + " (" + total + ")");
};
self.clearSearch = function() {
self.search('');
};
self.showProvinces = ko.computed(function() {
return (this.provinces().length > 1);
}, self);
self.showCities = ko.computed(function() {
return (this.provinces().length > 1 || (this.selectedProvince().cities && this.selectedProvince().cities().length > 1));
}, self);
self.matchFound = ko.computed(function() {
return (this.selectedCity().suburbs && this.selectedCity().suburbs().length > 0);
}, self);
self.showNoResults = ko.computed(function() {
return !this.matchFound();
}, self);
};
//Apply Bindings
$(function() {
ko.applyBindings(new myAF.ViewModel(), $('.areaFinderControl')[0]);
});
</script>
<script type="text/html" id="myAF">
<div class="span6 form-search">
<div class="row-fluid">
<div class="span7" style="white-space:nowrap">
<input type="text" placeholder="Browse or Search for an area..." data-bind="value: search, valueUpdate: 'afterkeydown'" />
<i style="position:relative;top:2px;z-index:10;margin-left:-1.7em;margin-right:8px;" class="icon-remove-sign" data-bind="visible: search() != '', click: clearSearch"></i>
<button class="btn">
<i data-bind="css: { 'icon-chevron-down' : !resultsShown(), 'icon-chevron-up' : resultsShown }, click: toggleResultsShown"></i>
</button>
</div>
<div class="span5" style="overflow:hidden" data-bind="foreach: found">
<span style="cursor:pointer;" class="label" data-bind="click: $parent.unselectSuburb"><span data-bind="text: $data"></span> <i class="icon-white icon-remove"></i></span>
</div>
</div>
<div data-bind="visible: resultsShown, template: 'myAF_results'"></div>
</div>
</script>
<script type="text/html" id="myAF_results">
<div class="row-fluid well">
<div class="span4" style="border-right:1px dashed black;" data-bind="visible: matchFound">
<ul class="unstyled" data-bind="foreach: provinces">
<li style="cursor:pointer;" data-bind="click: $parent.selectProvince">
<span data-bind="html: $parent.provinceWithTotal($data), css: {'label': province === $parent.selectedProvince().province}"></span>
</li>
</ul>
</div>
<div class="span4" style="border-right:1px dashed black;" data-bind="visible: matchFound">
<ul class="unstyled" data-bind="foreach: selectedProvince().cities">
<li style="cursor:pointer;" data-bind="click: $parent.selectCity">
<span data-bind="html: $parent.cityWithTotal($data), css: {'label': city === $parent.selectedCity().city}"></span>
</li>
</ul>
</div>
<div class="span4" data-bind="visible: matchFound">
<ul class="unstyled" data-bind="foreach: selectedCity().suburbs">
<li style="cursor:pointer;">
<span data-bind="html: $root.highlight(suburb()), click: $root.selectSuburb"></span>
(<span data-bind="text: total"></span>) <i class="icon-ok-sign" data-bind="visible: $root.isFound($data)"></i>
</li>
</ul>
</div>
<span data-bind="visible: showNoResults">No matching areas could be found.</span>
</div>
</script>
</body>
</html>