tupali/librerias/gantt/code/es-modules/parts-map/MapNavigation.js

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2020-05-23 20:45:54 +00:00
/* *
*
* (c) 2010-2020 Torstein Honsi
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
'use strict';
import H from '../parts/Globals.js';
import U from '../parts/Utilities.js';
var addEvent = U.addEvent, extend = U.extend, merge = U.merge, objectEach = U.objectEach, pick = U.pick;
import '../parts/Chart.js';
var Chart = H.Chart, doc = H.doc;
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
* @private
*/
function stopEvent(e) {
if (e) {
if (e.preventDefault) {
e.preventDefault();
}
if (e.stopPropagation) {
e.stopPropagation();
}
e.cancelBubble = true;
}
}
/**
* The MapNavigation handles buttons for navigation in addition to mousewheel
* and doubleclick handlers for chart zooming.
*
* @private
* @class
* @name MapNavigation
*
* @param {Highcharts.Chart} chart
* The Chart instance.
*/
function MapNavigation(chart) {
this.init(chart);
}
/**
* Initialize function.
*
* @function MapNavigation#init
*
* @param {Highcharts.Chart} chart
* The Chart instance.
*
* @return {void}
*/
MapNavigation.prototype.init = function (chart) {
this.chart = chart;
chart.mapNavButtons = [];
};
/**
* Update the map navigation with new options. Calling this is the same as
* calling `chart.update({ mapNavigation: {} })`.
*
* @function MapNavigation#update
*
* @param {Highcharts.MapNavigationOptions} [options]
* New options for the map navigation.
*
* @return {void}
*/
MapNavigation.prototype.update = function (options) {
var chart = this.chart, o = chart.options.mapNavigation, buttonOptions, attr, states, hoverStates, selectStates, outerHandler = function (e) {
this.handler.call(chart, e);
stopEvent(e); // Stop default click event (#4444)
}, mapNavButtons = chart.mapNavButtons;
// Merge in new options in case of update, and register back to chart
// options.
if (options) {
o = chart.options.mapNavigation =
merge(chart.options.mapNavigation, options);
}
// Destroy buttons in case of dynamic update
while (mapNavButtons.length) {
mapNavButtons.pop().destroy();
}
if (pick(o.enableButtons, o.enabled) && !chart.renderer.forExport) {
objectEach(o.buttons, function (button, n) {
buttonOptions = merge(o.buttonOptions, button);
// Presentational
if (!chart.styledMode) {
attr = buttonOptions.theme;
attr.style = merge(buttonOptions.theme.style, buttonOptions.style // #3203
);
states = attr.states;
hoverStates = states && states.hover;
selectStates = states && states.select;
}
button = chart.renderer
.button(buttonOptions.text, 0, 0, outerHandler, attr, hoverStates, selectStates, 0, n === 'zoomIn' ? 'topbutton' : 'bottombutton')
.addClass('highcharts-map-navigation highcharts-' + {
zoomIn: 'zoom-in',
zoomOut: 'zoom-out'
}[n])
.attr({
width: buttonOptions.width,
height: buttonOptions.height,
title: chart.options.lang[n],
padding: buttonOptions.padding,
zIndex: 5
})
.add();
button.handler = buttonOptions.onclick;
// Stop double click event (#4444)
addEvent(button.element, 'dblclick', stopEvent);
mapNavButtons.push(button);
// Align it after the plotBox is known (#12776)
var bo = buttonOptions;
var un = addEvent(chart, 'load', function () {
button.align(extend(bo, {
width: button.width,
height: 2 * button.height
}), null, bo.alignTo);
un();
});
});
}
this.updateEvents(o);
};
/**
* Update events, called internally from the update function. Add new event
* handlers, or unbinds events if disabled.
*
* @function MapNavigation#updateEvents
*
* @param {Highcharts.MapNavigationOptions} options
* Options for map navigation.
*
* @return {void}
*/
MapNavigation.prototype.updateEvents = function (options) {
var chart = this.chart;
// Add the double click event
if (pick(options.enableDoubleClickZoom, options.enabled) ||
options.enableDoubleClickZoomTo) {
this.unbindDblClick = this.unbindDblClick || addEvent(chart.container, 'dblclick', function (e) {
chart.pointer.onContainerDblClick(e);
});
}
else if (this.unbindDblClick) {
// Unbind and set unbinder to undefined
this.unbindDblClick = this.unbindDblClick();
}
// Add the mousewheel event
if (pick(options.enableMouseWheelZoom, options.enabled)) {
this.unbindMouseWheel = this.unbindMouseWheel || addEvent(chart.container, typeof doc.onmousewheel === 'undefined' ?
'DOMMouseScroll' : 'mousewheel', function (e) {
chart.pointer.onContainerMouseWheel(e);
// Issue #5011, returning false from non-jQuery event does
// not prevent default
stopEvent(e);
return false;
});
}
else if (this.unbindMouseWheel) {
// Unbind and set unbinder to undefined
this.unbindMouseWheel = this.unbindMouseWheel();
}
};
// Add events to the Chart object itself
extend(Chart.prototype, /** @lends Chart.prototype */ {
/**
* Fit an inner box to an outer. If the inner box overflows left or right,
* align it to the sides of the outer. If it overflows both sides, fit it
* within the outer. This is a pattern that occurs more places in
* Highcharts, perhaps it should be elevated to a common utility function.
*
* @ignore
* @function Highcharts.Chart#fitToBox
*
* @param {Highcharts.BBoxObject} inner
*
* @param {Highcharts.BBoxObject} outer
*
* @return {Highcharts.BBoxObject}
* The inner box
*/
fitToBox: function (inner, outer) {
[['x', 'width'], ['y', 'height']].forEach(function (dim) {
var pos = dim[0], size = dim[1];
if (inner[pos] + inner[size] >
outer[pos] + outer[size]) { // right
// the general size is greater, fit fully to outer
if (inner[size] > outer[size]) {
inner[size] = outer[size];
inner[pos] = outer[pos];
}
else { // align right
inner[pos] = outer[pos] +
outer[size] - inner[size];
}
}
if (inner[size] > outer[size]) {
inner[size] = outer[size];
}
if (inner[pos] < outer[pos]) {
inner[pos] = outer[pos];
}
});
return inner;
},
/**
* Highmaps only. Zoom in or out of the map. See also {@link Point#zoomTo}.
* See {@link Chart#fromLatLonToPoint} for how to get the `centerX` and
* `centerY` parameters for a geographic location.
*
* @function Highcharts.Chart#mapZoom
*
* @param {number} [howMuch]
* How much to zoom the map. Values less than 1 zooms in. 0.5 zooms
* in to half the current view. 2 zooms to twice the current view. If
* omitted, the zoom is reset.
*
* @param {number} [centerX]
* The X axis position to center around if available space.
*
* @param {number} [centerY]
* The Y axis position to center around if available space.
*
* @param {number} [mouseX]
* Fix the zoom to this position if possible. This is used for
* example in mousewheel events, where the area under the mouse
* should be fixed as we zoom in.
*
* @param {number} [mouseY]
* Fix the zoom to this position if possible.
*
* @return {void}
*/
mapZoom: function (howMuch, centerXArg, centerYArg, mouseX, mouseY) {
var chart = this, xAxis = chart.xAxis[0], xRange = xAxis.max - xAxis.min, centerX = pick(centerXArg, xAxis.min + xRange / 2), newXRange = xRange * howMuch, yAxis = chart.yAxis[0], yRange = yAxis.max - yAxis.min, centerY = pick(centerYArg, yAxis.min + yRange / 2), newYRange = yRange * howMuch, fixToX = mouseX ? ((mouseX - xAxis.pos) / xAxis.len) : 0.5, fixToY = mouseY ? ((mouseY - yAxis.pos) / yAxis.len) : 0.5, newXMin = centerX - newXRange * fixToX, newYMin = centerY - newYRange * fixToY, newExt = chart.fitToBox({
x: newXMin,
y: newYMin,
width: newXRange,
height: newYRange
}, {
x: xAxis.dataMin,
y: yAxis.dataMin,
width: xAxis.dataMax - xAxis.dataMin,
height: yAxis.dataMax - yAxis.dataMin
}), zoomOut = (newExt.x <= xAxis.dataMin &&
newExt.width >=
xAxis.dataMax - xAxis.dataMin &&
newExt.y <= yAxis.dataMin &&
newExt.height >= yAxis.dataMax - yAxis.dataMin);
// When mousewheel zooming, fix the point under the mouse
if (mouseX && xAxis.mapAxis) {
xAxis.mapAxis.fixTo = [mouseX - xAxis.pos, centerXArg];
}
if (mouseY && yAxis.mapAxis) {
yAxis.mapAxis.fixTo = [mouseY - yAxis.pos, centerYArg];
}
// Zoom
if (typeof howMuch !== 'undefined' && !zoomOut) {
xAxis.setExtremes(newExt.x, newExt.x + newExt.width, false);
yAxis.setExtremes(newExt.y, newExt.y + newExt.height, false);
// Reset zoom
}
else {
xAxis.setExtremes(void 0, void 0, false);
yAxis.setExtremes(void 0, void 0, false);
}
// Prevent zooming until this one is finished animating
/*
chart.holdMapZoom = true;
setTimeout(function () {
chart.holdMapZoom = false;
}, 200);
*/
/*
delay = animation ? animation.duration || 500 : 0;
if (delay) {
chart.isMapZooming = true;
setTimeout(function () {
chart.isMapZooming = false;
if (chart.mapZoomQueue) {
chart.mapZoom.apply(chart, chart.mapZoomQueue);
}
chart.mapZoomQueue = null;
}, delay);
}
*/
chart.redraw();
}
});
// Extend the Chart.render method to add zooming and panning
addEvent(Chart, 'beforeRender', function () {
// Render the plus and minus buttons. Doing this before the shapes makes
// getBBox much quicker, at least in Chrome.
this.mapNavigation = new MapNavigation(this);
this.mapNavigation.update();
});
H.MapNavigation = MapNavigation;