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/* *
*
* Networkgraph series
*
* (c) 2010-2021 Paweł Fus
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import U from '../Core/Utilities.js';
var addEvent = U.addEvent;
/* *
*
* Constants
*
* */
var composedClasses = [];
/* *
*
* Functions
*
* */
/**
* @private
*/
function compose(ChartClass) {
if (composedClasses.indexOf(ChartClass) === -1) {
composedClasses.push(ChartClass);
addEvent(ChartClass, 'load', onChartLoad);
}
}
/**
* Draggable mode:
* @private
*/
function onChartLoad() {
var chart = this;
var mousedownUnbinder, mousemoveUnbinder, mouseupUnbinder;
if (chart.container) {
mousedownUnbinder = addEvent(chart.container, 'mousedown', function (event) {
var point = chart.hoverPoint;
if (point &&
point.series &&
point.series.hasDraggableNodes &&
point.series.options.draggable) {
point.series.onMouseDown(point, event);
mousemoveUnbinder = addEvent(chart.container, 'mousemove', function (e) { return (point &&
point.series &&
point.series.onMouseMove(point, e)); });
mouseupUnbinder = addEvent(chart.container.ownerDocument, 'mouseup', function (e) {
mousemoveUnbinder();
mouseupUnbinder();
return point &&
point.series &&
point.series.onMouseUp(point, e);
});
}
});
}
addEvent(chart, 'destroy', function () {
mousedownUnbinder();
});
}
/**
* Mouse down action, initializing drag&drop mode.
*
* @private
* @param {Highcharts.Point} point
* The point that event occured.
* @param {Highcharts.PointerEventObject} event
* Browser event, before normalization.
*/
function onMouseDown(point, event) {
var normalizedEvent = this.chart.pointer.normalize(event);
point.fixedPosition = {
chartX: normalizedEvent.chartX,
chartY: normalizedEvent.chartY,
plotX: point.plotX,
plotY: point.plotY
};
point.inDragMode = true;
}
/**
* Mouse move action during drag&drop.
*
* @private
*
* @param {global.Event} event
* Browser event, before normalization.
* @param {Highcharts.Point} point
* The point that event occured.
*
*/
function onMouseMove(point, event) {
if (point.fixedPosition && point.inDragMode) {
var series = this, chart = series.chart, normalizedEvent = chart.pointer.normalize(event), diffX = point.fixedPosition.chartX - normalizedEvent.chartX, diffY = point.fixedPosition.chartY - normalizedEvent.chartY, graphLayoutsLookup = chart.graphLayoutsLookup;
var newPlotX = void 0, newPlotY = void 0;
// At least 5px to apply change (avoids simple click):
if (Math.abs(diffX) > 5 || Math.abs(diffY) > 5) {
newPlotX = point.fixedPosition.plotX - diffX;
newPlotY = point.fixedPosition.plotY - diffY;
if (chart.isInsidePlot(newPlotX, newPlotY)) {
point.plotX = newPlotX;
point.plotY = newPlotY;
point.hasDragged = true;
this.redrawHalo(point);
graphLayoutsLookup.forEach(function (layout) {
layout.restartSimulation();
});
}
}
}
}
/**
* Mouse up action, finalizing drag&drop.
*
* @private
* @param {Highcharts.Point} point
* The point that event occured.
*/
function onMouseUp(point, _event) {
if (point.fixedPosition) {
if (point.hasDragged) {
if (this.layout.enableSimulation) {
this.layout.start();
}
else {
this.chart.redraw();
}
}
point.inDragMode = point.hasDragged = false;
if (!this.options.fixedDraggable) {
delete point.fixedPosition;
}
}
}
/**
* Redraw halo on mousemove during the drag&drop action.
*
* @private
* @param {Highcharts.Point} point
* The point that should show halo.
*/
function redrawHalo(point) {
if (point && this.halo) {
this.halo.attr({
d: point.haloPath(this.options.states.hover.halo.size)
});
}
}
/* *
*
* Default Export
*
* */
var DragNodesComposition = {
compose: compose,
onMouseDown: onMouseDown,
onMouseMove: onMouseMove,
onMouseUp: onMouseUp,
redrawHalo: redrawHalo
};
export default DragNodesComposition;
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