74 lines
2.8 KiB
JavaScript
74 lines
2.8 KiB
JavaScript
describe('ol.handler.Drag', function() {
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var map, elt;
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beforeEach(function() {
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map = new ol.Map();
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elt = new goog.events.EventTarget();
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map.viewport_ = elt;
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listener = {fn: function() {}};
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spyOn(listener, 'fn');
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});
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describe('creating a drag handler', function() {
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it('returns an ol.handler.Drag instance', function() {
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var handler = new ol.handler.Drag(map, {});
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expect(handler).toBeA(ol.handler.Drag);
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});
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});
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describe('dispatching events', function() {
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it('dragstart, drag and dragend events', function() {
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var handler = new ol.handler.Drag(map, {});
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goog.events.listen(map, 'dragstart', listener.fn);
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goog.events.listen(map, 'drag', listener.fn);
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goog.events.listen(map, 'dragend', listener.fn);
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handler.dragger_.dispatchEvent({type: 'start'});
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handler.dragger_.dispatchEvent({type: 'drag'});
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handler.dragger_.dispatchEvent({type: 'end'});
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expect(listener.fn.calls[0].args[0].type).toBe('dragstart');
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expect(listener.fn.calls[1].args[0].type).toBe('drag');
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expect(listener.fn.calls[2].args[0].type).toBe('dragend');
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});
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it('sets the dragged state during a drag sequence', function() {
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var states = {};
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var handler = new ol.handler.Drag(map, states);
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handler.dragger_.dispatchEvent({type: 'drag'});
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expect(states.dragged).toBe(true);
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handler.dragger_.dispatchEvent({type: 'start'});
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expect(states.dragged).toBe(false);
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});
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it('sets deltaX and deltaY on the ol.event.MapEvent', function() {
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var handler = new ol.handler.Drag(map, {});
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goog.events.listen(map, 'drag', listener.fn);
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handler.dragger_.dispatchEvent({type: 'start', clientX: 2, clientY: 4});
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handler.dragger_.dispatchEvent({type: 'drag', clientX: 1, clientY: 2});
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handler.dragger_.dispatchEvent({type: 'drag', clientX: 2, clientY: 4});
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expect(listener.fn.calls[0].args[0].deltaX).toBe(-1);
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expect(listener.fn.calls[0].args[0].deltaY).toBe(-2);
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expect(listener.fn.calls[1].args[0].deltaX).toBe(1);
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expect(listener.fn.calls[1].args[0].deltaY).toBe(2);
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});
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it('calls the default action on the default control', function() {
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var control = new ol.control.DefaultControl();
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spyOn(control, 'defaultDrag');
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map.setDefaultControl(control);
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var handler = new ol.handler.Drag(map, {});
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handler.dragger_.dispatchEvent({type: 'drag'});
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expect(control.defaultDrag).toHaveBeenCalled();
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});
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});
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});
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