+RangeSelectorTestCase.prototype.testRangeSelectorInteraction = function() {
+ var opts = {
+ width: 480,
+ height: 320,
+ showRangeSelector: true
+ };
+ var data = [
+ [1, 10],
+ [2, 15],
+ [3, 10],
+ [4, 15],
+ [5, 10],
+ [6, 15],
+ [7, 10],
+ [8, 15],
+ [9, 10]
+ ];
+ var graph = document.getElementById("graph");
+ var g = new Dygraph(graph, data, opts);
+ this.assertGraphExistence(g, graph);
+ var zoomhandles = graph.getElementsByClassName('dygraph-rangesel-zoomhandle');
+
+ // Move left zoomhandle in
+ var xRange = g.xAxisRange().slice();
+
+ var mouseDownEvent = DygraphOps.createEvent({
+ type : 'dragstart',
+ detail: 1,
+ clientX : 0,
+ clientY : 0
+ });
+ zoomhandles[0].dispatchEvent(mouseDownEvent);
+
+ var mouseMoveEvent = DygraphOps.createEvent({
+ type : 'mousemove',
+ clientX : 20,
+ clientY : 20
+ });
+ zoomhandles[0].dispatchEvent(mouseMoveEvent);
+
+ var mouseUpEvent = DygraphOps.createEvent({
+ type : 'mouseup',
+ detail: 1,
+ clientX : 20,
+ clientY : 20
+ });
+ zoomhandles[0].dispatchEvent(mouseUpEvent);
+
+ var newXRange = g.xAxisRange().slice();
+ assert('left zoomhandle should have moved: '+newXRange[0]+'>'+xRange[0], newXRange[0] > xRange[0]);
+ assertEquals('right zoomhandle should not have moved', xRange[1], newXRange[1]);
+
+ // Move right zoomhandle in
+ xRange = newXRange;
+
+ mouseDownEvent = DygraphOps.createEvent({
+ type : 'dragstart',
+ detail: 1,
+ clientX : 100,
+ clientY : 100
+ });
+ zoomhandles[1].dispatchEvent(mouseDownEvent);
+
+ mouseMoveEvent = DygraphOps.createEvent({
+ type : 'mousemove',
+ clientX : 80,
+ clientY : 80
+ });
+ zoomhandles[1].dispatchEvent(mouseMoveEvent);
+
+ mouseUpEvent = DygraphOps.createEvent({
+ type : 'mouseup',
+ detail: 1,
+ clientX : 80,
+ clientY : 80
+ });
+ zoomhandles[1].dispatchEvent(mouseUpEvent);
+
+ var newXRange = g.xAxisRange().slice();
+ assert('right zoomhandle should have moved: '+newXRange[1]+'<'+xRange[1], newXRange[1] < xRange[1]);
+ assertEquals('left zoomhandle should not have moved', xRange[0], newXRange[0]);
+
+ // Pan left
+ xRange = newXRange;
+ var fgcanvas = graph.getElementsByClassName('dygraph-rangesel-fgcanvas')[0];
+ var x = parseInt(zoomhandles[0].style.left) + 20;
+ var y = parseInt(zoomhandles[0].style.top);
+
+ mouseDownEvent = DygraphOps.createEvent({
+ type : 'mousedown',
+ detail: 1,
+ clientX : x,
+ clientY : y
+ });
+ fgcanvas.dispatchEvent(mouseDownEvent);
+
+ x -= 10;
+
+ mouseMoveEvent = DygraphOps.createEvent({
+ type : 'mousemove',
+ clientX : x,
+ clientY : y
+ });
+ fgcanvas.dispatchEvent(mouseMoveEvent);
+
+ mouseUpEvent = DygraphOps.createEvent({
+ type : 'mouseup',
+ detail: 1,
+ clientX : x,
+ clientY : y
+ });
+ fgcanvas.dispatchEvent(mouseUpEvent);
+
+ var newXRange = g.xAxisRange().slice();
+ assert(newXRange[0]+'<'+xRange[0], newXRange[0] < xRange[0]);
+ assert(newXRange[1]+'<'+xRange[1], newXRange[1] < xRange[1]);
+};
+