Files
openlayers/test/spec/ol/interaction/selectinteraction.test.js
Andreas Hocevar 53d5d8c1d9 Get rid of ol.FeatureOverlay
This also introduces a wrapX option to the Draw, Modify and Select
interaction.
2015-06-09 15:44:31 +02:00

283 lines
7.9 KiB
JavaScript

goog.provide('ol.test.interaction.Select');
describe('ol.interaction.Select', function() {
var target, map, source;
var width = 360;
var height = 180;
beforeEach(function(done) {
target = document.createElement('div');
var style = target.style;
style.position = 'absolute';
style.left = '-1000px';
style.top = '-1000px';
style.width = width + 'px';
style.height = height + 'px';
document.body.appendChild(target);
var geometry = new ol.geom.Polygon([[[0, 0], [0, 40], [40, 40], [40, 0]]]);
// Four overlapping features, two features of type "foo" and two features
// of type "bar". The rendering order is, from top to bottom, foo -> bar
// -> foo -> bar.
var features = [];
features.push(
new ol.Feature({
geometry: geometry,
type: 'bar'
}),
new ol.Feature({
geometry: geometry,
type: 'foo'
}),
new ol.Feature({
geometry: geometry,
type: 'bar'
}),
new ol.Feature({
geometry: geometry,
type: 'foo'
}));
source = new ol.source.Vector({
features: features
});
var layer = new ol.layer.Vector({source: source});
map = new ol.Map({
target: target,
layers: [layer],
view: new ol.View({
projection: 'EPSG:4326',
center: [0, 0],
resolution: 1
})
});
map.on('postrender', function() {
done();
});
});
afterEach(function() {
goog.dispose(map);
document.body.removeChild(target);
});
/**
* Simulates a browser event on the map viewport. The client x/y location
* will be adjusted as if the map were centered at 0,0.
* @param {string} type Event type.
* @param {number} x Horizontal offset from map center.
* @param {number} y Vertical offset from map center.
* @param {boolean=} opt_shiftKey Shift key is pressed.
*/
function simulateEvent(type, x, y, opt_shiftKey) {
var viewport = map.getViewport();
// calculated in case body has top < 0 (test runner with small window)
var position = goog.style.getClientPosition(viewport);
var shiftKey = goog.isDef(opt_shiftKey) ? opt_shiftKey : false;
var event = new ol.MapBrowserPointerEvent(type, map,
new ol.pointer.PointerEvent(type,
new goog.events.BrowserEvent({
clientX: position.x + x + width / 2,
clientY: position.y + y + height / 2,
shiftKey: shiftKey
})));
map.handleMapBrowserEvent(event);
}
describe('constructor', function() {
it('creates a new interaction', function() {
var select = new ol.interaction.Select();
expect(select).to.be.a(ol.interaction.Select);
expect(select).to.be.a(ol.interaction.Interaction);
});
});
describe('selecting a polygon', function() {
var select;
beforeEach(function() {
select = new ol.interaction.Select();
map.addInteraction(select);
});
it('select with single-click', function() {
var listenerSpy = sinon.spy(function(e) {
expect(e.selected).to.have.length(1);
});
select.on('select', listenerSpy);
simulateEvent(ol.MapBrowserEvent.EventType.SINGLECLICK, 10, -20);
expect(listenerSpy.callCount).to.be(1);
var features = select.getFeatures();
expect(features.getLength()).to.equal(1);
});
});
describe('multiselecting polygons', function() {
var select;
beforeEach(function() {
select = new ol.interaction.Select({
multi: true
});
map.addInteraction(select);
});
it('select with single-click', function() {
var listenerSpy = sinon.spy(function(e) {
expect(e.selected).to.have.length(4);
});
select.on('select', listenerSpy);
simulateEvent(ol.MapBrowserEvent.EventType.SINGLECLICK, 10, -20);
expect(listenerSpy.callCount).to.be(1);
var features = select.getFeatures();
expect(features.getLength()).to.equal(4);
});
});
describe('filter features using the filter option', function() {
var select;
describe('with multi set to true', function() {
it('only selects features that pass the filter', function() {
var select = new ol.interaction.Select({
multi: true,
filter: function(feature, layer) {
return feature.get('type') === 'bar';
}
});
map.addInteraction(select);
simulateEvent(ol.MapBrowserEvent.EventType.SINGLECLICK, 10, -20);
var features = select.getFeatures();
expect(features.getLength()).to.equal(2);
expect(features.item(0).get('type')).to.be('bar');
expect(features.item(1).get('type')).to.be('bar');
});
});
describe('with multi set to false', function() {
it('only selects the first feature that passes the filter', function() {
var select = new ol.interaction.Select({
multi: false,
filter: function(feature, layer) {
return feature.get('type') === 'bar';
}
});
map.addInteraction(select);
simulateEvent(ol.MapBrowserEvent.EventType.SINGLECLICK, 10, -20);
var features = select.getFeatures();
expect(features.getLength()).to.equal(1);
expect(features.item(0).get('type')).to.be('bar');
});
});
});
describe('#setActive()', function() {
var interaction;
beforeEach(function() {
interaction = new ol.interaction.Select();
expect(interaction.getActive()).to.be(true);
map.addInteraction(interaction);
expect(interaction.featureOverlay_).not.to.be(null);
simulateEvent(ol.MapBrowserEvent.EventType.SINGLECLICK, 10, -20);
});
afterEach(function() {
map.removeInteraction(interaction);
});
describe('#setActive(false)', function() {
it('keeps the the selection', function() {
interaction.setActive(false);
expect(interaction.getFeatures().getLength()).to.equal(1);
});
});
describe('#setActive(true)', function() {
beforeEach(function() {
interaction.setActive(false);
});
it('fires change:active', function() {
var listenerSpy = sinon.spy();
interaction.on('change:active', listenerSpy);
interaction.setActive(true);
expect(listenerSpy.callCount).to.be(1);
});
});
});
describe('#setMap()', function() {
var interaction;
beforeEach(function() {
interaction = new ol.interaction.Select();
expect(interaction.getActive()).to.be(true);
});
describe('#setMap(null)', function() {
beforeEach(function() {
map.addInteraction(interaction);
});
afterEach(function() {
map.removeInteraction(interaction);
});
describe('#setMap(null) when interaction is active', function() {
it('unsets the map from the feature overlay', function() {
var spy = sinon.spy(interaction.featureOverlay_, 'setMap');
interaction.setMap(null);
expect(spy.getCall(0).args[0]).to.be(null);
});
});
});
describe('#setMap(map)', function() {
describe('#setMap(map) when interaction is active', function() {
it('sets the map into the feature overlay', function() {
var spy = sinon.spy(interaction.featureOverlay_, 'setMap');
interaction.setMap(map);
expect(spy.getCall(0).args[0]).to.be(map);
});
});
});
});
});
goog.require('goog.dispose');
goog.require('goog.events');
goog.require('goog.events.BrowserEvent');
goog.require('goog.style');
goog.require('ol.Feature');
goog.require('ol.Map');
goog.require('ol.MapBrowserEvent.EventType');
goog.require('ol.MapBrowserPointerEvent');
goog.require('ol.View');
goog.require('ol.geom.Polygon');
goog.require('ol.interaction.Select');
goog.require('ol.interaction.Interaction');
goog.require('ol.layer.Vector');
goog.require('ol.pointer.PointerEvent');
goog.require('ol.source.Vector');