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index.html
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<!doctype html>
<html class="no-js" lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<title>Best Restaurants in Belize</title>
<meta name="description" content="Web GIS application,map,restaurants,Belize">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<link rel="apple-touch-icon" href="apple-touch-icon.png">
<!-- Place favicon.ico in the root directory -->
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/main.css">
<link rel="stylesheet" href="http://192.168.58.170/arcgis_js_api/library/3.20/3.20/esri/css/esri.css">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css">
</head>
<body>
<!--[if lte IE 9]>
<p class="browserupgrade">You are using an <strong>outdated</strong> browser. Please <a href="http://browsehappy.com/">upgrade your browser</a> to improve your experience and security.</p>
<![endif]-->
<div id="mapDiv">
<div id="homeButtonDiv"></div>
<div id="locateButtonDiv"></div>
<div id="legendDiv"></div>
<div id="serachDiv">
<!--AVOID when enter key ,don't reload the page-->
<form class="form-horizontal" onkeypress="return event.keyCode != 13">
<div class="form-group">
<label class="col-md-2 control-label" for="txtRestaurantName">Restaurant Name:</label>
<div class="col-md-6">
<input type="text" class="form-control" id="txtRestaurantName" placeholder="enter restaurant name">
</div>
<div class="col-md-4">
<input class="btn btn-primary" id="btnSearch" type='button' value='Query' onclick='executeQuery()'>
</div>
</div>
<div class="form-group">
<label class="col-md-2 control-label" for="selectCategories">Category:</label>
<div class="col-md-10">
<select class="form-control" id='selectCategories' onchange="onCategoryChange()">
<option value="99" selected>All</option>
<option value="0">Diner</option>
<option value="1">Restaurant</option>
<option value="2">Cafe</option>
<option value="4">Lounge</option>
<option value="3">Bar</option>
</select>
</div>
</div>
<div class="form-group">
<label class="col-md-2 control-label" for="selectRating">Rating:</label>
<div class="col-md-10">
<select class="form-control" id='selectRating' onchange='onRatingChange()'>
<option value="99" selected>All</option>
<option value="1">Poor</option>
<option value="2">Fair</option>
<option value="3">Average</option>
<option value="4">Good</option>
<option value="5">Excellent</option>
</select>
</div>
</div>
<div class="form-group">
<input class="btn btn-primary center-block" type='button' value='GPS Locate' onclick='showGPSLocation()'>
</div>
</form>
<div id="searchResultDiv"></div>
</div>
</div>
<script src="js/vendor/modernizr-3.5.0.min.js"></script>
<script src="js/vendor/jquery-3.2.0.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="js/main.js"></script>
<script src="http://192.168.58.170/arcgis_js_api/library/3.20/3.20/init.js"></script>
<script>
dojo.require("esri.map");
dojo.require("esri.layers.FeatureLayer");
dojo.require("esri.dijit.Legend");
dojo.require("esri.dijit.HomeButton");
dojo.require("esri.dijit.LocateButton");
dojo.require("esri.dijit.Scalebar");
var global = {}; //global objects
global.map = null;
//feature service url;map service don't support web edit,won't use enterprise database
global.urls = {
restaurant: "http://192.168.58.170:6080/arcgis/rest/services//BelizeEdit/FeatureServer/0",
belizeCountry: "http://192.168.58.170:6080/arcgis/rest/services//BelizeEdit/FeatureServer/1",
reviewTable: "http://192.168.58.170:6080/arcgis/rest/services//BelizeEdit/FeatureServer/2"
}
//the POI layer
global.POILayer = null;
// category and rating default value
global.selectedCategories = 99;
global.selectedRating = 99;
//query
global.queryResults = null;
global.queryTask = null;
global.queryResults = null;
function startUp() {
//create a map with an extent
//create the spatial reference object and extent object.
var sr = new esri.SpatialReference({
wkid: 4326
});
var startExtent = new esri.geometry.Extent(-88.27, 17.47, -88.16, 17.54, sr);
global.map = new esri.Map("mapDiv", {
logo: false,
extent: startExtent
});
//add layers; NOTICE: outfields should be declared,默认只显示几个重要字段;
var layerRestaurants = new esri.layers.FeatureLayer(global.urls.restaurant, {
outFields: ["*"]
});
var layerBelizeCountry = new esri.layers.FeatureLayer(global.urls.belizeCountry, {
outFields: ["*"]
});
if (!global.POILayer) {
global.POILayer = layerRestaurants;
}
global.map.addLayers([layerBelizeCountry, layerRestaurants]); //polygon layer then point layer
//add the legend
var esriDijitLegend = new esri.dijit.Legend({
map: global.map
}, "legendDiv");
esriDijitLegend.startup();
//add the home button
var esriDijitHomeButton = new esri.dijit.HomeButton({
map: global.map
}, "homeButtonDiv");
esriDijitHomeButton.startup();
//add the locate button
esriDijitLocateButton = new esri.dijit.LocateButton({
map: global.map
}, "locateButtonDiv");
esriDijitLocateButton.startup();
//add scalebar
var scalebar = new esri.dijit.Scalebar({
map: global.map,
attachTo: "bottom-right",
// "dual" displays both miles and kilometers
// "english" is the default, which displays miles
// use "metric" for kilometers
scalebarUnit: "dual"
});
//define and add infotemplate to POI layer
/*
*1. make sure that all the to-be-showed fields should be included in featurelayer's outfields;
*2. field name is case sensitive,use the featurelayer's exact field name;
*/
var template = "<b>Name：<b>${name}<br>" +
"<b>Rating：<b>[${rating}/5]<br>" +
"<b>Offcial Website：<b><a href='${website}'>${website}</a><br>" +
"<b>Description：<b>${description}";
var infoTemplate = new esri.InfoTemplate("Attribute", template);
layerRestaurants.setInfoTemplate(infoTemplate);
//query
//Create query task
if (!global.queryTask) {
global.queryTask = new esri.tasks.QueryTask(global.urls.restaurant);
}
}
dojo.addOnLoad(startUp);
function onCategoryChange() {
var value = document.getElementById('selectCategories').value;
global.selectedCategories = value;
//call the filter
filterlayer();
}
function onRatingChange() {
var value = document.getElementById('selectRating').value;
global.selectedRating = value;
//call the filter
filterlayer();
}
function filterlayer() {
var expression = "1 = 1"; //fetch all features
if (global.selectedCategories != 99) {
expression = expression + " AND category = " + global.selectedCategories;
}
if (global.selectedRating != 99) {
expression = expression + " AND rating = " + global.selectedRating;
}
global.POILayer.setDefinitionExpression(expression);
}
function executeQuery() {
var restaurantName = document.getElementById('txtRestaurantName').value;
var query = new esri.tasks.Query();
query.outFields = ["objectid", "name", "rating"]; //feature service layer field name ,case sensitive
query.returnGeometry = true;
//support search ignoring case，arcgis desktop query sql syntax：UPPER(NAME) LIKE '%M%'
query.where = "UPPER(NAME) like '%" + restaurantName.toUpperCase() + "%'";
// query.text = restaurantName;
global.queryTask.execute(query, showResults);
}
function showResults(results) {
global.queryResults = results;
//we are going to build our result html string
var resultHtml = "";
for (var i = 0; i < results.features.length; i++) {
//for each single feature or record in the result
var feature = results.features[i];
//display the name()
resultHtml = resultHtml +
"<b>Name:</b> <a href='#' onclick='showRestaurant(" +
i +
")'>" +
feature.attributes["name"] +
"</a><Br>";
//display the rating
resultHtml = resultHtml + "<b>Rating:</b> " + feature.attributes["rating"];
//create a place holder for each review to be populated later
resultHtml = resultHtml +
"<div id = 'review" +
feature.attributes["objectid"] +
"'></div>";
//create a place holder for each attachment picture to be populated later
resultHtml = resultHtml +
"<div id = 'picture" +
feature.attributes["objectid"] +
"'></div>";
//create text box for the review marked with the objectid
resultHtml = resultHtml + "<br>Review: <input type = 'text' id = 'txtReview" + feature.attributes["objectid"] + "' > ";
//another one for the rating.
resultHtml = resultHtml + "<br>Rating: <input type = 'text' id = 'txtRating" + feature.attributes["objectid"] + "' > ";
resultHtml = resultHtml + "<form id = 'frm" +
feature.attributes["objectid"] + "'><input type = 'file' name = 'attachment'/ > </form>";
//and a button to call the function addnewreview
resultHtml = resultHtml + "<br><input type = 'button' value = 'Add' onclick ='AddNewReview(" + feature.attributes["objectid"] + ")'>";
//new line
resultHtml = resultHtml + "<br><br>";
}
//add the results to myresults element.
document.getElementById("searchResultDiv").innerHTML = resultHtml;
AddReviews(results);
AddPictures(results);
}
function showRestaurant(i) {
//get the clicked feature
if (!global.queryResults) {
console.log("no searching results");
return;
}
var feature = global.queryResults.features[i];
//mark up symbol are for points.
var symbol = new esri.symbol.SimpleMarkerSymbol();
//set the size
symbol.setSize(50);
//and the color (yellow) and transparency of 50% (0.5)
symbol.setColor(new dojo.Color([255, 255, 0, 0.5]));
//finally set the symbol to the record
feature.setSymbol(symbol);
//clear any graphics on the map
global.map.graphics.clear();
//so we only add this one
global.map.graphics.add(feature);
}
function AddReviews(results) {
for (var i = 0; i < results.features.length; i++) {
//for each single feature or record in the result
var record = results.features[i];
//Create relationship query object
var relatedReviews = new esri.tasks.RelationshipQuery();
//return all fields in the related table.
relatedReviews.outFields = ["*"];
//The relationship id is zero based on the url
relatedReviews.relationshipId = 0;
//get the object id
relatedReviews.objectIds = [record.attributes["objectid"]];
//execute the query and then call the RelationQueryCompelete
global.POILayer.queryRelatedFeatures(relatedReviews, RelationQueryCompelete);
}
}
function RelationQueryCompelete(relatedRecords) {
for (var oid in relatedRecords) {
var fset = relatedRecords[oid];
//get the first related record
var firstrecord = fset.features[0];
var review = firstrecord.attributes["review"];
var user = firstrecord.attributes["user_"]; //use the map service exact field name
//update the div id with the review and the user
document.getElementById("review" + oid).innerHTML = "<i>" + user + " comment: <br>" + review + "</i>";
}
}
function AddPictures(results) {
for (var i = 0; i < results.features.length; i++) {
//for each single feature or record in the result
var record = results.features[i];
// Attachment code goes here
global.POILayer.queryAttachmentInfos([record.attributes["objectid"]], PicturesQueryComplete);
}
}
function PicturesQueryComplete(pictures) {
//in case of no pictures quit.
if (pictures.length == 0) {
return;
}
//TODO:add all pictures; now only get the first picture
var p = pictures[0];
//set it to its place holder
document.getElementById("picture" + p.objectId).innerHTML =
"<img src = '" +
p.url +
"' width = '200px' height ='130px'>";
}
function AddNewReview(oid) {
var objectid = oid;
var review = document.getElementById('txtReview' + oid).value;
var rating = document.getElementById('txtRating' + oid).value;
var newReview = {
attributes: {
venue_objectid: objectid,
review: review,
rating: rating,
user_: "YIN Chao" // specific user
}
};
//open the review table,as we seen in chapter 4 it has an id of 2
var reviewtable = new esri.layers.FeatureLayer(global.urls.reviewTable);
//apply edits and pass the review record
reviewtable.applyEdits([newReview], null, null, null, null);
//add POI's attachment a picture
global.POILayer.addAttachment(oid,document.getElementById("frm"+oid), null, null);
alert("review has been added successfully!")
}
</script>
<!-- Google Analytics: change UA-XXXXX-Y to be your site's ID. -->
<!--
<script>
window.ga=function(){ga.q.push(arguments)};ga.q=[];ga.l=+new Date;
ga('create','UA-XXXXX-Y','auto');ga('send','pageview')
</script>
<script src="https://www.google-analytics.com/analytics.js" async defer></script>
-->
</body>
</html>