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index.html
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<!DOCTYPE html>
<html>
<head>
<title>Location Search Tool</title>
<link rel="stylesheet" type="text/css" href="http://static.pinpointers.com/Lib/Sencha/Extjs/3.4.0/resources/css/ext-all.css"/>
<style>
.mark-combo-match {
background-color:yellow;
}
.locationSearchResultLabel {
background-color: white;
font-family: "Lucida Grande", "Arial", sans-serif;
font-size: 12px;
font-weight: bold;
text-align: center;
width: 140px;
border: 1px solid black;
white-space: nowrap;
padding: 0px 2px 0px 2px;
text-overflow: ellipsis;
white-space: pre-wrap; /* CSS3 */
white-space: -moz-pre-wrap; /* Firefox */
white-space: -pre-wrap; /* Opera <7 */
white-space: -o-pre-wrap; /* Opera 7 */
word-wrap: break-word; /* IE */
}
</style>
<script src="http://static.pinpointers.com/Lib/Sencha/Extjs/3.4.3/adapter/ext/ext-base-debug.js"></script>
<script src="http://static.pinpointers.com/Lib/Sencha/Extjs/3.4.3/ext-all-debug.js"></script>
<script src="https://maps.googleapis.com/maps/api/js?v=3.exp"></script>
<script src="lib/markerwithlabel.js"></script>
<script>
var map,
mapOptions = {
center: new google.maps.LatLng(51.067577, -1.795812),
zoom: 8
},
mapSize,
mapGeocoder,
findLocationStore,
findLocationRecord,
searchCombo;
Ext.onReady(function() {
this.findLocationStore = new Ext.data.JsonStore({
storeId: 'FindLocationStore',
fields: [
{
name: 'id'
},
{
name: 'Name',
sortType: Ext.data.SortTypes.asUCString
},
{
name: 'Lat'
},
{
name: 'Lon'
},
{
name: 'IsPlacemarker'
},
{
name: ' MapIcon'
}
]
});
this.findLocationRecord = Ext.data.Record.create([ // creates a subclass of Ext.data.Record
{name: 'id'},
{name: 'Name'},
{name: 'Lat'},
{name: 'Lon'},
{name: 'IsPlacemarker'},
{name: 'MapIcon'}
]);
this.searchCombo = new Ext.form.ComboBox({
mode: 'local',
store: 'FindLocationStore',
displayField: 'Name',
valueField: 'id',
triggerAction: 'all',
queryDelay: 500,
emptyText: 'Start typing to search for a location...',
listEmptyText: 'Sorry no results were found',
width: 220,
listWidth: 300,
listeners: {
select: function(cmb, rec, idx) {
this.showResultOnMap(rec.get('Lat'), rec.get('Lon'), rec.get('Name'));
},
scope:this
}
});
//Combo overrides...
this.searchCombo.doQuery = Ext.createDelegate(comboDoQueryOverride, this, [this.searchCombo], 0);
this.searchCombo.onTriggerClick = Ext.createDelegate(comboOnTriggerClickOverride, this, [this.searchCombo]);
new Ext.Viewport({
layout: 'fit',
items: [{
html: '',
listeners: {
render: function(p) {
this.initMap(p);
},
resize: function(el,w,h) {
this.resizeMap(el,w,h);
},
scope:this
},
tbar: {
toolbarCls: 'x-panel-fbar',
style: 'margin: 5px 0 5px 2px;',
items: [{
xtype: 'tbtext',
text: 'Location Search:',
style: 'font-weight:bold; font-size: 12px;'
},{
xtype: 'container',
layout: 'hbox',
width: 270,
items: [
this.searchCombo
,{
xtype: 'button',
style: 'margin-left:4px;',
text: '<b>Clear</b>',
listeners: {
click: function(btn) {
this.clearSearchResults();
},
scope:this
}
}
]
}]
}
}]
});
function comboDoQueryOverride(cmb, q, forceAll) {
q = Ext.isEmpty(q) ? '' : q;
var qe = {
query: q,
forceAll: forceAll,
combo: cmb,
cancel:false
};
if(cmb.fireEvent('beforequery', qe)===false || qe.cancel){
return false;
}
q = qe.query;
if(cmb.lastQuery !== q){
//Clear any previous search results
cmb.store.removeAll();
//If user has keyed in at least 3 chars then perform a Geocoder request
if(q.length > 2) {
this.performLocationSearch(q);
}
} else {
cmb.onLoad();
}
}
function comboOnTriggerClickOverride(cmb) {
if(cmb.isExpanded()){
cmb.collapse();
cmb.el.focus();
} else {
cmb.expand();
cmb.el.focus();
if(Ext.isEmpty(cmb.getValue())) {
cmb.store.removeAll();
}
}
}
});
function initMap(p) {
this.map = new google.maps.Map(p.body.dom, mapOptions);
this.mapGeocoder = new google.maps.Geocoder();
}
function resizeMap(el,w,h) {
if (this.map!=null) {
if(h>0 && w>0) {
if (this.map!=null) {
var c=this.map.getDiv();
c.style.height=h+'px';
c.style.width=w+'px';
}
this.mapSize={width:w, height: h};
}
google.maps.event.trigger(this.map, 'resize');
} else {
this.mapSize={width:w, height: h};
}
}
function performLocationSearch(text) {
var request = {
address: text,
bounds: this.map.getBounds(),
//Bias results to UK
region: 'uk'
};
this.mapGeocoder.geocode(request, this.locationSearchResultHandler);
}
function locationSearchResultHandler(results, status) {
if(results.length>0) {
var result;
for(var i=0; i<results.length; i++) {
result = results[i];
var rec = new this.findLocationRecord({
//Manually create a new ID here based on array idx
id: 'geocode-result-'+i,
Name: result.formatted_address,
Lat: result.geometry.location.lat(),
Lon: result.geometry.location.lng()
});
this.findLocationStore.add(rec);
}
this.searchCombo.onLoad();
// var nodes = this.searchCombo.view.getNodes();
// for (var i = 0; i < nodes.length; i++) {
// var n = nodes[i];
// var d = this.searchCombo.view.getRecord(n).data;
// var re = new RegExp('(.*?)(' + '' + Ext.escapeRe(this.searchCombo.getRawValue()) + ')(.*)', this.searchCombo.caseSensitive ? '' : 'i');
// var h = d[this.searchCombo.displayField];
// h = h.replace(re, '$1<span class="mark-combo-match">$2</span>$3');
// n.innerHTML = n.innerHTML.split(" ")[0] + " " + h;
// }
}
}
function showResultOnMap(lat,lon,address) {
var pos = new google.maps.LatLng(lat, lon);
if(Ext.isEmpty(this.searchResultMarker)) {
var markerOptions = {
position: pos,
map: this.map,
labelContent: address,
labelClass: 'locationSearchResultLabel',
labelAnchor: new google.maps.Point(70, 0)
};
this.searchResultMarker = new MarkerWithLabel(markerOptions);
} else {
this.searchResultMarker.setPosition(pos);
this.searchResultMarker.set('labelContent', address);
this.searchResultMarker.setMap(this.map);
}
this.map.setCenter(pos);
this.map.setZoom(16);
}
function clearSearchResults() {
if(!Ext.isEmpty(this.searchResultMarker)) {
this.searchResultMarker.setMap(null);
this.searchCombo.store.removeAll();
this.searchCombo.reset();
}
}
</script>
</head>
<body>
</body>
</html>