我是JS的新手，我从Qlik Sense获得了这个扩展，我试图改变，我需要根据变量指出一些引脚。如果变量$ type的值为＆＃39; A＆＃39;我使用了一些引脚，如果价值是＆＃39; B＆＃39;另一个等等。但我真的不知道这个扩展如何从QS获得价值。有什么帮助吗？
关注JS：
require.config({
paths: {
async: '/extensions/GoogleMaps-Sense/lib/async',
markerclusterer: '/extensions/GoogleMaps-Sense/lib/markerclusterer'
},
shim: {
'markerclusterer': {
exports: 'MarkerClusterer'
}
}
});
define(['qlik', './src/properties', './src/styles', 'markerclusterer', './src/abbreviateNumber', 'qvangular', 'async!https://maps.googleapis.com/maps/api/js?key=AIzaSyASz5bdD789VzsLyki1JCKhSnCd5pEPY3Q'], function(qlik, properties, styles, MarkerClusterer, abbreviateNumber, qv) {
var BASE_URL = '/extensions/GoogleMaps-Sense/';
if (typeof(Number.prototype.toRad) === "undefined") {
Number.prototype.toRad = function() {
return this * Math.PI / 180;
}
}
if (typeof(Number.prototype.toDeg) === "undefined") {
Number.prototype.toDeg = function() {
return this * 180 / Math.PI;
}
}
return {
initialProperties: {
version: 1,
qHyperCubeDef: {
qSuppressZero: true,
qSuppressMissing: true
},
gmaps: {
cluster: {
oneStyle: false,
maxZoom: 10
},
map: {
mode: 'cluster',
customIcon: null,
iconUrl: '',
maxZoom: 18,
style: 'default'
}
}
},
definition: properties,
snapshot: {
canTakeSnapshot: true
},
paint: function($element, layout) {
$element.empty();
this.backendApi.cacheCube.enabled = false;
var _this = this;
var markers = [];
var selectedMarkers = [];
var rectangles = [];
var selectedRects = [];
var columns = layout.qHyperCube.qSize.qcx;
var totalheight = layout.qHyperCube.qSize.qcy;
var pageheight = Math.floor(10000 / columns);
var numberOfPages = Math.ceil(totalheight / pageheight);
var Promise = qv.getService('$q');
var promises = Array.apply(null, Array(numberOfPages)).map(function(data, index) {
var page = {
qTop: (pageheight * index) + index,
qLeft: 0,
qWidth: columns,
qHeight: pageheight
};
return this.backendApi.getData([page]);
}, this)
Promise.all(promises).then(function(data) {
render(data);
});
function render(data) {
var useCustomStyle = layout.gmaps.map.style !== 'default';
var hasMeasure = layout.qHyperCube.qMeasureInfo.length >= 1 ? true : false;
var hasPopup = layout.qHyperCube.qMeasureInfo.length === 2 ? true : false;
//The bounds object, used to determain which part of the map to show based on data
var bounds = new google.maps.LatLngBounds();
var mapOptions = {
maxZoom: layout.gmaps.map.maxZoom,
panControl: true,
zoomControl: true,
overviewMapControl: false,
overviewMapControlOptions: {
opened: false
},
scaleControl: false,
streetViewControl: true,
mapTypeControlOptions: {
mapTypeIds: [google.maps.MapTypeId.ROADMAP, google.maps.MapTypeId.TERRAIN, google.maps.MapTypeId.HYBRID, 'map_style']
}
};
//Put the map on the page so give some visual feedback
var map = new google.maps.Map($element.get(0), mapOptions);
if (useCustomStyle) {
var selectedStyle = styles.filter(function(d) {
return d.key === layout.gmaps.map.style
});
var styledMap = new google.maps.StyledMapType(selectedStyle[0].data, {
name: layout.gmaps.map.style
});
map.mapTypes.set('map_style', styledMap);
map.setMapTypeId('map_style');
};
//Create a marker for each row of data
data.forEach(function(obj) {
obj[0].qMatrix.forEach(function(row, index) {
if (row[0].qText == '-') return;
//Parse the dimension
var latlng = JSON.parse(row[0].qText);
//Reverse the order as QS sends long lat
var point = new google.maps.LatLng(latlng[1], latlng[0]);
//Create our marker - if we have a expression then use that otherwise default to just show locations
var image = 'https://developers.google.com/maps/documentation/javascript/examples/full/images/beachflag.png';
var marker = new google.maps.Marker({
position: point,
title: '',
icon: image,
customData: hasMeasure ? row[1].qText : 1,
qElem: row[0].qElemNumber
});
//If we have popup values for each marker create the popup windows
if (hasPopup) {
marker.infoWindow = new google.maps.InfoWindow({
content: row[2].qText
});
google.maps.event.addListener(marker, 'mouseover', function() {
this.infoWindow.open(map, this);
});
google.maps.event.addListener(marker, 'mouseout', function() {
this.infoWindow.close();
});
};
//Add click handler
google.maps.event.addListener(marker, 'click', (function(value) {
return function() {
_this.selectValues(0, [value], true);
highlightMarkers(value)
}
})(row[0].qElemNumber));
bounds.extend(point);
markers.push(marker);
});
});
//Fit map to bounds
map.fitBounds(bounds);
//Clustering enabled
if (layout.gmaps.map.mode === 'cluster') {
if (layout.gmaps.cluster.oneStyle) {
var clusterStyles = [{
opt_textColor: 'black',
url: BASE_URL + 'images/singlecluster.png',
height: 56,
width: 55
}];
};
var mcOptions = {
imagePath: BASE_URL + 'images/m',
styles: clusterStyles,
maxZoom: layout.gmaps.cluster.maxZoom
};
//Draw clusters onto map
var markerCluster = new MarkerClusterer(map, markers, mcOptions);
markerCluster.setCalculator(function(markers, clusterStyles) {
var index = 0,
count = markers.length,
total = count;
while (total !== 0) {
//Create a new total by dividing by a set number
total = parseInt(total / 5, 10);
//Increase the index and move up to the next style
index++;
}
index = Math.min(index, clusterStyles);
var measure = 0;
for (var i = 0, k = count; i < k; i++) {
measure += parseInt(markers[i].customData)
}
var abbreviatedValue = abbreviateNumber(measure)
return {
text: abbreviatedValue,
index: index
};
});
};
if (layout.gmaps.map.mode === 'marker') {
markers.forEach(function(d) {
d.setMap(map);
})
};
if (layout.gmaps.map.mode === 'boxes') {
markers.forEach(function(d) {
var distance = d.customData > 1 ? d.customData : 10;
var lat = d.position.lat();
var lng = d.position.lng();
var boxbounds = new google.maps.LatLngBounds(box(lat, lng, 225, distance), box(lat, lng, 45, distance))
var rect = new google.maps.Rectangle({
strokeColor: layout.gmaps.boxes.strokeFill,
strokeOpacity: +layout.gmaps.boxes.strokeOpacity,
strokeWeight: +layout.gmaps.boxes.strokeWeight,
fillColor: layout.gmaps.boxes.fillColor,
fillOpacity: +layout.gmaps.boxes.fillOpacity,
qElem: d.qElem,
map: map,
bounds: boxbounds
});
//Add click handler
google.maps.event.addListener(rect, 'click', (function(value) {
return function() {
_this.selectValues(0, [value], true);
highlightRects(value)
}
})(d.qElem));
rectangles.push(rect);
})
};
};
//In selection mode - loop over markers to highlight markers scheduled for selection.
function highlightMarkers(qElem) {
var idx = selectedMarkers.indexOf(qElem);
if (idx > -1) {
selectedMarkers.splice(idx, 1)
} else {
selectedMarkers.push(qElem)
}
markers.forEach(function(marker) {
if (selectedMarkers.indexOf(marker.qElem) === -1) {
marker.setOpacity(0.5)
} else {
marker.setOpacity(1);
}
});
};
//In selection mode - loop over markers to highlight markers scheduled for selection.
function highlightRects(qElem) {
var idx = selectedRects.indexOf(qElem);
if (idx > -1) {
selectedRects.splice(idx, 1)
} else {
selectedRects.push(qElem)
}
rectangles.forEach(function(marker) {
if (selectedRects.indexOf(marker.qElem) === -1) {
marker.setOptions({
fillOpacity: +layout.gmaps.boxes.fillOpacity / 2,
strokeOpacity: +layout.gmaps.boxes.strokeOpacity / 2
})
} else {
marker.setOptions({
fillOpacity: +layout.gmaps.boxes.fillOpacity,
strokeOpacity: +layout.gmaps.boxes.strokeOpacity
})
}
});
};
function box(lat, lng, brng, dist) {
this._radius = 6371;
var dist = dist / this._radius;
var brng = brng.toRad();
var lat1 = lat.toRad();
var lon1 = lng.toRad();
var lat2 = Math.asin(Math.sin(lat1) * Math.cos(dist) +
Math.cos(lat1) * Math.sin(dist) *
Math.cos(brng));
var lon2 = lon1 + Math.atan2(Math.sin(brng) * Math.sin(dist) *
Math.cos(lat1), Math.cos(dist) -
Math.sin(lat1) * Math.sin(lat2));
lon2 = (lon2 + 3 * Math.PI) % (2 * Math.PI) - Math.PI;
return new google.maps.LatLng(lat2.toDeg(), lon2.toDeg());
}
}
};
});
答案 0 :(得分：0)
我认为这可能会有所帮助
/**
* Retrieve the values of a list of variables.
*
* Since $q.all fails on the first error, we have to resolve all first
*
* @param {string[]} `varList` - The variable names.
* @param {object} `app` - The (Qlik Sense) app.
*
* @returns {Promise}
*
* @api public
*/
this.getEngineVarListValues = function ( app, varList ) {
if ( varList && Array.isArray( varList ) ) {
var promises = [];
varList.forEach( function ( variable ) {
promises.push( self.getEngineVarValue( app, variable ) )
} );
return $q.all( promises );
}
return $q.reject( new Error( 'getEngineVarListValues variable list passed.' ) );
};
取自https://github.com/stefanwalther/sense-extension-utils/blob/master/src/variable-utils.js
答案 1 :(得分：0)
var app = qlik.currApp();
//get the variable content
app.variable.getContent('MYVAR',function ( reply ){
alert( JSON.stringify( reply ) );
});