initial commit

2021-07-10 16:25:16 +02:00
parent bff57cbf45
commit 20fb7267a8
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+/**
+ * (c) 2010-2019 Torstein Honsi
+ *
+ * License: www.highcharts.com/license
+ */
+
+'use strict';
+
+import H from '../parts/Globals.js';
+import '../parts/Utilities.js';
+import '../parts/Pointer.js';
+
+var extend = H.extend,
+    pick = H.pick,
+    Pointer = H.Pointer,
+    wrap = H.wrap;
+
+// Extend the Pointer
+extend(Pointer.prototype, {
+
+    // The event handler for the doubleclick event
+    onContainerDblClick: function (e) {
+        var chart = this.chart;
+
+        e = this.normalize(e);
+
+        if (chart.options.mapNavigation.enableDoubleClickZoomTo) {
+            if (
+                chart.pointer.inClass(e.target, 'highcharts-tracker') &&
+                chart.hoverPoint
+            ) {
+                chart.hoverPoint.zoomTo();
+            }
+        } else if (
+            chart.isInsidePlot(
+                e.chartX - chart.plotLeft,
+                e.chartY - chart.plotTop
+            )
+        ) {
+            chart.mapZoom(
+                0.5,
+                chart.xAxis[0].toValue(e.chartX),
+                chart.yAxis[0].toValue(e.chartY),
+                e.chartX,
+                e.chartY
+            );
+        }
+    },
+
+    // The event handler for the mouse scroll event
+    onContainerMouseWheel: function (e) {
+        var chart = this.chart,
+            delta;
+
+        e = this.normalize(e);
+
+        // Firefox uses e.detail, WebKit and IE uses wheelDelta
+        delta = e.detail || -(e.wheelDelta / 120);
+        if (chart.isInsidePlot(
+            e.chartX - chart.plotLeft,
+            e.chartY - chart.plotTop
+        )) {
+            chart.mapZoom(
+                Math.pow(
+                    chart.options.mapNavigation.mouseWheelSensitivity,
+                    delta
+                ),
+                chart.xAxis[0].toValue(e.chartX),
+                chart.yAxis[0].toValue(e.chartY),
+                e.chartX,
+                e.chartY
+            );
+        }
+    }
+});
+
+// The pinchType is inferred from mapNavigation options.
+wrap(Pointer.prototype, 'zoomOption', function (proceed) {
+
+
+    var mapNavigation = this.chart.options.mapNavigation;
+
+    // Pinch status
+    if (pick(mapNavigation.enableTouchZoom, mapNavigation.enabled)) {
+        this.chart.options.chart.pinchType = 'xy';
+    }
+
+    proceed.apply(this, [].slice.call(arguments, 1));
+
+});
+
+// Extend the pinchTranslate method to preserve fixed ratio when zooming
+wrap(
+    Pointer.prototype,
+    'pinchTranslate',
+    function (
+        proceed,
+        pinchDown,
+        touches,
+        transform,
+        selectionMarker,
+        clip,
+        lastValidTouch
+    ) {
+        var xBigger;
+
+        proceed.call(
+            this,
+            pinchDown,
+            touches,
+            transform,
+            selectionMarker,
+            clip,
+            lastValidTouch
+        );
+
+        // Keep ratio
+        if (this.chart.options.chart.type === 'map' && this.hasZoom) {
+            xBigger = transform.scaleX > transform.scaleY;
+            this.pinchTranslateDirection(
+                !xBigger,
+                pinchDown,
+                touches,
+                transform,
+                selectionMarker,
+                clip,
+                lastValidTouch,
+                xBigger ? transform.scaleX : transform.scaleY
+            );
+        }
+    }
+);