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/*
* File: map.js
* Application to display a MAp using Openlayers,Geoext and extjs
*Author:wanjohi kibui
*/
Ext.require([
'Ext.container.Viewport',
'Ext.window.MessageBox',
'GeoExt.panel.Map',
'GeoExt.data.FeatureStore',
'GeoExt.grid.column.Symbolizer',
'GeoExt.selection.FeatureModel',
'Ext.grid.GridPanel',
'Ext.layout.container.Accordion',
'Ext.chart.*',
'GeoExt.selection.FeatureModel',
'Ext.toolbar.Paging',
'GeoExt.container.WmsLegend',
//'GeoExt.container.UrlLegend',
//'GeoExt.container.VectorLegend',
'GeoExt.panel.Legend',
'Ext.tree.plugin.TreeViewDragDrop',
'GeoExt.window.Popup',
'GeoExt.data.MapfishPrintProvider',
'GeoExt.plugins.PrintExtent',
'GeoExt.tree.LayerContainer',
'GeoExt.tree.OverlayLayerContainer',
'GeoExt.tree.BaseLayerContainer',
'GeoExt.data.LayerTreeModel',
'GeoExt.Action',
'Ext.form.field.Text',
'Ext.layout.container.Table',
'Ext.container.ButtonGroup'
]);
Ext.application({
name: 'app',
launch: function(){
OpenLayers.ProxyHost = "/cgi-bin/proxy.cgi?url=";
var map = new OpenLayers.Map("map-id",{
controls: [
new OpenLayers.Control.Navigation(),
new OpenLayers.Control.ArgParser(),
new OpenLayers.Control.Attribution(),
//new OpenLayers.Control.LayerSwitcher(),
new OpenLayers.Control.MousePosition(),
new OpenLayers.Control.OverviewMap(),
new OpenLayers.Control.Scale(),
new OpenLayers.Control.PanZoomBar(),
new OpenLayers.Control.KeyboardDefaults()
]
},
{projection: "EPSG:4326",units: 'degrees'}
);
var OSM = new OpenLayers.Layer.OSM("OpenStreetMap");
var context = {
getColor: function(feature) {
if (feature.attributes.NAME_1 == 'Central') {
return 'green';
}
if (feature.attributes.NAME_1 == 'Coast') {
return 'grey';
}
if (feature.attributes.NAME_1 == 'Eastern') {
return 'purple';
}
if (feature.attributes.NAME_1 == 'Western') {
return 'yellow';
}
if (feature.attributes.NAME_1 == 'Nyanza') {
return 'orange';
}
if (feature.attributes.NAME_1 == 'Nairobi') {
return 'pink';
}
if (feature.attributes.NAME_1 == 'Rift Valley') {
return 'red';
}
return 'orange';
}
};
var template = {
cursor: "pointer",
fillOpacity: 0.5,
fillColor: "${getColor}",
pointRadius: 6,
strokeWidth: 1,
strokeOpacity: 1,
strokeColor: "${getColor}",
graphicName: "circle"
};
var template1 = {
cursor: "pointer",
fillOpacity: 0.5,
fillColor: "orange",
pointRadius: 6,
strokeWidth: 1,
strokeOpacity: 1,
strokeColor: "${getColor}",
graphicName: "circle"
};
var style = new OpenLayers.Style(template, {context: context});
var style1 = new OpenLayers.Style(template1, {context: context});
var kenya = new OpenLayers.Layer.Vector("Kenya Counties", {
styleMap: new OpenLayers.StyleMap({
'default': style
}),
protocol: new OpenLayers.Protocol.HTTP({
url: "data/kenya.json",
format: new OpenLayers.Format.GeoJSON()
}),
strategies: [new OpenLayers.Strategy.Fixed()],
isBasiclayer: false,
displayInLayerSwitcher: true,
//visibility:false
});
var metereological = new OpenLayers.Layer.Vector("Metereological Stations", {
styleMap: new OpenLayers.StyleMap({
"default": new OpenLayers.Style({
pointRadius: 6,
fillColor: "green",
strokeColor: '#000000',
strokeWidth: 1
})
}),
protocol: new OpenLayers.Protocol.HTTP({
url: "data/metereological.json",
format: new OpenLayers.Format.GeoJSON()
}),
strategies: [new OpenLayers.Strategy.Fixed()],
isBasiclayer: false,
displayInLayerSwitcher: true,
//visibility:false
});
var temp = new OpenLayers.Layer.Vector("Temperature Data", {
styleMap: new OpenLayers.StyleMap({
"default": new OpenLayers.Style({
pointRadius: 6,
fillColor: "green",
strokeColor: '#000000',
strokeWidth: 1
})
}),
protocol: new OpenLayers.Protocol.HTTP({
url: "data/temperature.json",
format: new OpenLayers.Format.GeoJSON()
}),
strategies: [new OpenLayers.Strategy.Fixed()],
isBasiclayer: false,
displayInLayerSwitcher: true,
//visibility:false
});
/*var allstations = new OpenLayers.Layer.Vector("Weather stations");
allstations.addFeatures([temperature2014]);*/
map.addLayers([OSM,kenya,metereological,temp,]);
map.setCenter(new OpenLayers.LonLat(4176923.85672,81455.37479),6 );
// create select feature control
var selectCtrl = new OpenLayers.Control.SelectFeature([metereological,temp],{
clickout: true, toggle: false,
multiple: false, hover: false,
toggleKey: "ctrlKey", // ctrl key removes from selection
multipleKey: "shiftKey" // shift key adds to selection
});
//adding a popup panel for our layer 'towns'
var popup;
function createPopup(feature) {
// close existing popup
if (popup) {
popup.destroy();
}
popup = new GeoExt.Popup({
title: feature.attributes.towns,
location: feature,
width:200,
height: 260,
html: "<br/> Station:" + feature.attributes.towns + "<br/> Monday Min :" + feature.attributes.min_temp + "<br/>Monday Max :" + feature.attributes.max_temp + "<br/>Tuesday Min :" + feature.attributes.min_temp1 + "<br/>Tuesday Max :" + feature.attributes.max_temp1 + "<br/>Wednesday Min :" + feature.attributes.min_temp2 + "<br/>Wednesday Max :" + feature.attributes.max_temp2 + "<br/>Thursday Min :" + feature.attributes.min_temp3 + "<br/>Thursday Max :" + feature.attributes.max_temp3 + "<br/>Friday Min :" + feature.attributes.min_temp4 + "<br/>Friday Max :" + feature.attributes.max_temp4 + "<br/>Saturday Min :" + feature.attributes.min_temp5 + "<br/>Saturday Max :" + feature.attributes.max_temp5 + "<br/>Sunday Min :" + feature.attributes.min_temp6 + "<br/>Sunday Max :" + feature.attributes.max_temp6 + "<br/><br/>",
maximizable: true,
collapsible: true,
padding:'5 5 5 5'
//items:items[0]
});
/*popup.on({
close: function() {
if(OpenLayers.Util.indexOf(radiation2014.selectedFeatures,
this.feature) > -1) {
selectCtrl.unselect(this.feature);
}
}
});*/
popup.show();
}
temp.events.on({
featureselected: function(e) {
createPopup(e.feature);
}
});
metereological.events.on({
featureselected: function(e) {
createPopup(e.feature);
}
});
var fields= [{name: 'towns', type: 'string'},
{name: 'max_temp', type: 'float'},
{name: 'min_temp', type: 'float'},
{name: 'max_temp1', type: 'float'},
{name: 'min_temp1', type: 'float'},
{name: 'max_temp2', type: 'float'},
{name: 'min_temp2', type: 'float'},
{name: 'max_temp3', type: 'float'},
{name: 'min_temp3', type: 'float'},
{name: 'max_temp4', type: 'float'},
{name: 'min_temp4', type: 'float'},
{name: 'max_temp5', type: 'float'},
{name: 'min_temp5', type: 'float'},
{name: 'max_temp6', type: 'float'},
{name: 'min_temp6', type: 'float'}
];
var store = Ext.create('GeoExt.data.FeatureStore', {
layer: temp,
enablePaging:true,
fields: fields,
autoLoad: true
});
var cols= [ {header: "Station",flex:0.2,dataIndex: "towns"},
{header: "MONDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp'
}]},
{header: "TUESDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp1'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp1'
}]},
{header: "WEDNESDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp2'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp2'
}]},
{header: "THURSDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp3'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp3'
}]},
{header: "FRIDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp4'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp4'
}]},
{header: "SATURDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp5'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp5'
}]},
{header: "SUNDAY",flex:0.1,columns: [{
text : 'Max',
width : 100,
dataIndex: 'max_temp6'
},{
text : 'Min',
width : 100,
dataIndex: 'min_temp6'
}]},
];
var griddata = Ext.create('Ext.grid.GridPanel',{
store:store,
autoScroll:true,
layout:'fit',
columnLines: true,
viewConfig: {
stripeRows: true,
enableTextSelection: true
},
tbar: [
{
xtype:'combo',
fieldlabel:'Search',
emptyText:'Search by Name',
store:store,
displayField:'towns',
valueField:'feature',
forceSelection:true,
queryMode: 'local',
typeAhead:true,
listeners: {
select: function(combo, value, options){
filters
event.getStore().filter('towns', combo.
getValue());
event.getStore().clearFilter();
}
}
}],
columns: cols,
sm: new GeoExt.selection.FeatureModel({
autoPanMapOnSelection: true,
mode: 'MULTI'
}),
selType: 'featuremodel',
});
var tips = {
trackMouse: true,
width: 170,
height: 40,
renderer: function(storeItem, item) {
this.setTitle(storeItem.get('towns'));
//this.update(storeItem.get('totals'));
this.update(String(item.value[1]));
}
};
var series = [{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp1'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp2'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp3'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp4'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp5'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['max_temp6'],
tips: tips
}
];
var axes = [{
type: 'Numeric',
minimum: 0,
position: 'left',
fields:['max_temp','max_temp1','max_temp2','max_temp3','max_temp4','max_temp5','max_temp6'],
title: 'Values/Amounts',
grid: true,
label: {
renderer: Ext.util.Format.numberRenderer('0,0'),
font: '10px Arial'
}
}, {
type: 'Category',
position: 'bottom',
fields: ['towns'],
title: 'Weather Station',
label: {
rotate: {
degrees: 270
}
}
}];
var seriesmin = [{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp1'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp2'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp3'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp4'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp5'],
tips: tips
},{
type: 'line',
axis: 'left',
xField: 'towns',
highlight: true,
yField:['min_temp6'],
tips: tips
}
];
var axesmin = [{
type: 'Numeric',
minimum: 0,
position: 'left',
fields:['min_temp','min_temp1','min_temp2','min_temp3','min_temp4','min_temp5','min_temp6'],
title: 'Values/Amounts',
grid: true,
label: {
renderer: Ext.util.Format.numberRenderer('0,0'),
font: '10px Arial'
}
}, {
type: 'Category',
position: 'bottom',
fields: ['towns'],
title: 'Weather Station',
label: {
rotate: {
degrees: 270
}
}
}];
var maxchart = Ext.create('Ext.chart.Chart',{
animate: true,
store: store,
margin:'20 0 5 5',
//autoHeight:true,
//insetPadding: 30,
legend: {
position: 'top'
},
background: {
gradient: {
id: 'backgroundGradient',
stops: {
0: {
color: '#ffffff'
},
100: {
color: '#eaf1f8'
}
}
}
},
axes: axes,
series:series
});
var minchart = Ext.create('Ext.chart.Chart',{
animate: true,
store: store,
margin:'20 0 5 5',
//autoHeight:true,
//insetPadding: 30,
legend: {
position: 'top'
},
background: {
gradient: {
id: 'backgroundGradient',
stops: {
0: {
color: '#ffffff'
},
100: {
color: '#eaf1f8'
}
}
}
},
axes: axesmin,
series:seriesmin
});
var dataPanel = Ext.create('Ext.tab.Panel', {
activeTab: 0,
//title:'Data Tables',
autoHeight:true,
deferredRender: false,
//layout:'fit',
items: [{
xtype: 'tabpanel',
title: 'Analysis Charts',
layout: 'fit',
items:[{
xtype: 'panel',
title: 'Maximum Temperature per Day',
layout: 'fit',
items:[maxchart],
autoScroll:true,
tbar: [{
text: 'Save Chart',
handler: function() {
Ext.MessageBox.confirm('Confirm Download', 'Would you like to download the chart as an image?', function(choice){
if(choice == 'yes'){
maxchart.save({
type: 'image/png'
});
}
});
}
}],
},{
xtype: 'panel',
title: 'Minimum Temperature per Day',
layout: 'fit',
items:[minchart],
autoScroll:true,
tbar: [{
text: 'Save Chart',
handler: function() {
Ext.MessageBox.confirm('Confirm Download', 'Would you like to download the chart as an image?', function(choice){
if(choice == 'yes'){
minchart.save({
type: 'image/png'
});
}
});
}
}],
}
],
}
],
//renderTo : Ext.getBody()
});
var visuals = Ext.create('Ext.window.Window', {
width: 1000,
height:600,
closeAction:'hide',
layout:'fit',
title: 'Weather Analysis',
draggable: true,
resizable: true,
minimizable: true,
maximizable: true,
minHeight:400,
minWidth:500,
items: [dataPanel]
}
);
//var records = grid.getStore().getCount();
var length = new OpenLayers.Control.Measure(OpenLayers.Handler.Path, {
immediate: true,
eventListeners: {
measure: function(evt) {
//alert("Length = " + evt.measure + evt.units);
Ext.MessageBox.show({
title: 'Line length :',
buttons: Ext.MessageBox.OK,
width:200,
msg:"Line Length: " + evt.measure.toFixed(2) + " " + evt.units
}
);
}
},
persist: true
});
var area = new OpenLayers.Control.Measure(OpenLayers.Handler.Polygon, {
immediate: true,
eventListeners: {
measure: function(evt) {
Ext.MessageBox.show({
title: 'Area :',
buttons: Ext.MessageBox.OK,
width:200,
msg:"Area: " + evt.measure.toFixed(2) + " " + evt.units
}
);
}
},
persist: true
});
var toggleGroup = "Measure";
var lengthButton = new Ext.Button({
text: 'Length',
enableToggle: true,
toggleGroup: toggleGroup,
handler: function(toggled){
if (toggled) {
length.activate();
} else {
length.deactivate();
}
}
});
var areaButton = new Ext.Button({
text: 'Area',
enableToggle: true,
toggleGroup: toggleGroup,
handler: function(toggled){
if (toggled) {
area.activate();
} else {
area.deactivate();
}
}
});
var ctrl, toolbarItems = [], action, actions = {};
// ZoomToMaxExtent control, a "button" control
action = Ext.create('GeoExt.Action', {
control: new OpenLayers.Control.ZoomToMaxExtent(6),
map: map,
text: "Zoom To MaxExtent",
icon:'app/icons/arrow_inout.png',
tooltip: "zoom to max extent"
});
actions["max_extent"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
toolbarItems.push("-");
//draw zoom box
//var zoom_box = new OpenLayers.Control.ZoomBox();
action = Ext.create('GeoExt.Action', {
text:'Zoom',
control: new OpenLayers.Control.ZoomBox(),
map: map,
allowDepress: true,
icon: "app/icons/zoom.png",
tooltip: "Zoom by drawing a box on map",
toggleGroup: "navigate",
group: "navigate"
});
actions["zoom_box"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
toolbarItems.push("-");
//pan control
action = Ext.create('GeoExt.Action', {
text:'Pan',
control: new OpenLayers.Control.Navigation(),
map: map,
allowDepress: false,
icon: "app/icons/pan.png",
tooltip: "Pan",
toggleGroup: "navigate",
group: "navigate"
});
actions["pan"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
toolbarItems.push("-");
//zoom in control
action = Ext.create('GeoExt.Action', {
text:'zoom in',
control: new OpenLayers.Control.ZoomIn(),
map: map,
icon:'app/icons/zoom_in.png',
tooltip: "Zoom in"
});
actions["zoom_in"] = action;
toolbarItems.push(Ext.create('Ext.button.Button',action));
toolbarItems.push("-");
//zoom out control
action = Ext.create('GeoExt.Action', {
text:'zoom out',
control: new OpenLayers.Control.ZoomOut(),
map: map,
icon:'app/icons/zoom_out.png',
tooltip: "Zoom out"
});
actions["zoom_out"] = action;
toolbarItems.push(Ext.create('Ext.button.Button',action));
toolbarItems.push("-");
//identify features
action = Ext.create('GeoExt.Action', {
text:'Identify',
toggleGroup:"navigate",
group: "navigate",
icon:'app/icons/information.png',
control: new OpenLayers.Control.SelectFeature(kenya, {
type: OpenLayers.Control.TYPE_TOGGLE,
hover: false
}),
map: map,
allowDepress:true,
enableToggle: true,
tooltip: "Identify features"
});
actions["select"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
toolbarItems.push("-");
//measure tools-length
action = Ext.create('GeoExt.Action', {
text: "Length",
toggleGroup:"navigate",
group: "navigate",
enableToggle:true,
icon:'app/icons/ruler.png',
allowDepress:true,
tooltip:'Measure Length',
map: map,
control: new OpenLayers.Control.Measure(OpenLayers.Handler.Path , {
eventListeners: {
measure: function(evt) {
Ext.MessageBox.show({
title: 'Line length :',
buttons: Ext.MessageBox.OK,
width:200,
msg:"Line Length: " + evt.measure.toFixed(2) + " " + evt.units
});
}
}
})
});
actions["length"] = action;
toolbarItems.push(Ext.create('Ext.button.Button',action));
toolbarItems.push("-");
//measure area
action = Ext.create('GeoExt.Action', {
text: "area",
toggleGroup:"navigate",
group: "navigate",
enableToggle:true,
allowDepress:true,
tooltip:'Measure Area',
icon:'app/icons/ruler_square.png',
map: map,
control: new OpenLayers.Control.Measure(OpenLayers.Handler.Polygon , {
eventListeners: {
measure: function(evt) {
Ext.MessageBox.show({
title: 'Area :',
buttons: Ext.MessageBox.OK,
width:200,
msg:"Area: " + evt.measure.toFixed(2) + " " + evt.units
});
}
}
})
});
actions["area"] = action;
toolbarItems.push(Ext.create('Ext.button.Button',action));
toolbarItems.push("-");
// Navigation history - two "button" controls
ctrl = new OpenLayers.Control.NavigationHistory();
map.addControl(ctrl);
action = Ext.create('GeoExt.Action', {
text: "previous",
control: ctrl.previous,
disabled: true,
icon:'app/icons/arrow_left.png',
tooltip: "previous action"
});
actions["previous"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
action = Ext.create('GeoExt.Action', {
text: "next",
icon:'app/icons/arrow_right.png',
control: ctrl.next,
disabled: true,
tooltip: "next "
});
actions["next"] = action;
toolbarItems.push(Ext.create('Ext.button.Button', action));
toolbarItems.push(Ext.create('Ext.button.Button',{
text: 'Charts',
handler: function() {
visuals.show();
}
}
));
/*toolbarItems.push(Ext.create('Ext.button.Button',{
text: 'Login',
handler: function() {
login.show();
}
}
));*/
map.addControl(selectCtrl);
selectCtrl.activate();
var mapPanel = Ext.create('GeoExt.panel.Map', {
title: 'Map Viewer',
map: map,
//minWidth:'30%',
fallThrough: true,
layout:'fit',
region:'center',
tbar:toolbarItems
});
var legendPanel= new Ext.Panel({
title:'Map Legend',
layout:'fit',
border:false,
items:[
{
xtype: "gx_legendpanel",
autoScroll: true,
border:false,
padding: 20
}
]
});
var storeTree = Ext.create('Ext.data.TreeStore',{
model:'GeoExt.data.LayerTreeModel',
root:{
expanded:true,
children:[{
//plugins:['gx_layer'],
expanded:true,
leaf:false,
singleClickExpand: true,
qtip: "Double Click to expand/Collapse",
text:'Data Layers',
children:[{
plugins:['gx_layer'],
text:'Temperature Data',
layer:temp,
leaf:true,
onCheckChange:true
},{
plugins:['gx_layer'],
text:'Metereological Stations',
layer:metereological,
leaf:true,
onCheckChange:true
},
{
plugins:['gx_layer'],
text:'Kenya Counties',
layer:kenya,
leaf:true,
onCheckChange:true
}
]
},
{
plugins:['gx_baselayercontainer'],
expanded:true,
allowDD:true,
text:'BaseMaps'
}
]
}
});
var tree = Ext.create('GeoExt.tree.Panel',{
title:'Map Layers',
autoScroll:true,
viewConfig:{
plugins:[{
ptype:'treeviewdragdrop',
appendOnly:true
}]
},
store:storeTree,
rootVisible:false,
lines:true
});
var myaccordionwest = new Ext.Panel({
title:'Data Visualization',
region:'west',
split:true,
collapsible:true,
width:'13%',
layout:'accordion',
items:[tree]
});
mapPanel.map.addControl(length);
mapPanel.map.addControl(area);
// var selectCtrl = new OpenLayers.Control.SelectFeature(biz);
// create grid panel configured with feature store
Ext.create('Ext.container.Viewport', {
layout: 'border',
renderTo: Ext.getBody(),
items: [mapPanel,myaccordionwest,
{
region:'south',
height:'30%',
collapsible:true,
collapsed:false,
layout:'fit',
split:true,
title:'Grid View - Temperature Data',
//autoScroll:true,
items:[griddata]
},
{
region:'north',
height:120,
xtype: 'container',
layout: {
align: 'stretch',
type: 'hbox'
},
html: '<h1>Kenya Weather Stations</h1><h2>Enhancing weather forecast and analysis in the region</h2>',
style:"background-image:url(app/images/geo.jpg);font-size: 18px;text-align:center;color:#ffffff; !important"
}
]
});
}
});