tupali_fork/librerias/gantt/code/es-modules/modules/drag-panes.src.js

507 lines
19 KiB
JavaScript
Raw Normal View History

2020-05-23 20:45:54 +00:00
/* *
*
* Plugin for resizing axes / panes in a chart.
*
* (c) 2010-2017 Highsoft AS
*
* Author: Kacper Madej
*
* 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, clamp = U.clamp, isNumber = U.isNumber, merge = U.merge, objectEach = U.objectEach, relativeLength = U.relativeLength, wrap = U.wrap;
import '../parts/Axis.js';
import '../parts/Pointer.js';
var hasTouch = H.hasTouch, Axis = H.Axis, Pointer = H.Pointer;
/* eslint-disable no-invalid-this, valid-jsdoc */
/**
* The AxisResizer class.
*
* @private
* @class
* @name Highcharts.AxisResizer
*
* @param {Highcharts.Axis} axis
* Main axis for the AxisResizer.
*/
var AxisResizer = /** @class */ (function () {
function AxisResizer(axis) {
/* eslint-enable no-invalid-this */
this.axis = void 0;
this.controlLine = void 0;
this.lastPos = void 0;
this.options = void 0;
this.init(axis);
}
/**
* Initialize the AxisResizer object.
*
* @function Highcharts.AxisResizer#init
*
* @param {Highcharts.Axis} axis
* Main axis for the AxisResizer.
*/
AxisResizer.prototype.init = function (axis, update) {
this.axis = axis;
this.options = axis.options.resize;
this.render();
if (!update) {
// Add mouse events.
this.addMouseEvents();
}
};
/**
* Render the AxisResizer
*
* @function Highcharts.AxisResizer#render
*/
AxisResizer.prototype.render = function () {
var resizer = this, axis = resizer.axis, chart = axis.chart, options = resizer.options, x = options.x || 0, y = options.y,
// Normalize control line position according to the plot area
pos = clamp(axis.top + axis.height + y, chart.plotTop, chart.plotTop + chart.plotHeight), attr = {}, lineWidth;
if (!chart.styledMode) {
attr = {
cursor: options.cursor,
stroke: options.lineColor,
'stroke-width': options.lineWidth,
dashstyle: options.lineDashStyle
};
}
// Register current position for future reference.
resizer.lastPos = pos - y;
if (!resizer.controlLine) {
resizer.controlLine = chart.renderer.path()
.addClass('highcharts-axis-resizer');
}
// Add to axisGroup after axis update, because the group is recreated
// Do .add() before path is calculated because strokeWidth() needs it.
resizer.controlLine.add(axis.axisGroup);
lineWidth = chart.styledMode ?
resizer.controlLine.strokeWidth() :
options.lineWidth;
attr.d = chart.renderer.crispLine([
['M', axis.left + x, pos],
['L', axis.left + axis.width + x, pos]
], lineWidth);
resizer.controlLine.attr(attr);
};
/**
* Set up the mouse and touch events for the control line.
*
* @function Highcharts.AxisResizer#addMouseEvents
*/
AxisResizer.prototype.addMouseEvents = function () {
var resizer = this, ctrlLineElem = resizer.controlLine.element, container = resizer.axis.chart.container, eventsToUnbind = [], mouseMoveHandler, mouseUpHandler, mouseDownHandler;
// Create mouse events' handlers.
// Make them as separate functions to enable wrapping them:
resizer.mouseMoveHandler = mouseMoveHandler = function (e) {
resizer.onMouseMove(e);
};
resizer.mouseUpHandler = mouseUpHandler = function (e) {
resizer.onMouseUp(e);
};
resizer.mouseDownHandler = mouseDownHandler = function (e) {
resizer.onMouseDown(e);
};
// Add mouse move and mouseup events. These are bind to doc/container,
// because resizer.grabbed flag is stored in mousedown events.
eventsToUnbind.push(addEvent(container, 'mousemove', mouseMoveHandler), addEvent(container.ownerDocument, 'mouseup', mouseUpHandler), addEvent(ctrlLineElem, 'mousedown', mouseDownHandler));
// Touch events.
if (hasTouch) {
eventsToUnbind.push(addEvent(container, 'touchmove', mouseMoveHandler), addEvent(container.ownerDocument, 'touchend', mouseUpHandler), addEvent(ctrlLineElem, 'touchstart', mouseDownHandler));
}
resizer.eventsToUnbind = eventsToUnbind;
};
/**
* Mouse move event based on x/y mouse position.
*
* @function Highcharts.AxisResizer#onMouseMove
*
* @param {Highcharts.PointerEventObject} e
* Mouse event.
*/
AxisResizer.prototype.onMouseMove = function (e) {
/*
* In iOS, a mousemove event with e.pageX === 0 is fired when holding
* the finger down in the center of the scrollbar. This should
* be ignored. Borrowed from Navigator.
*/
if (!e.touches || e.touches[0].pageX !== 0) {
// Drag the control line
if (this.grabbed) {
this.hasDragged = true;
this.updateAxes(this.axis.chart.pointer.normalize(e).chartY -
this.options.y);
}
}
};
/**
* Mouse up event based on x/y mouse position.
*
* @function Highcharts.AxisResizer#onMouseUp
*
* @param {Highcharts.PointerEventObject} e
* Mouse event.
*/
AxisResizer.prototype.onMouseUp = function (e) {
if (this.hasDragged) {
this.updateAxes(this.axis.chart.pointer.normalize(e).chartY -
this.options.y);
}
// Restore runPointActions.
this.grabbed = this.hasDragged = this.axis.chart.activeResizer =
null;
};
/**
* Mousedown on a control line.
* Will store necessary information for drag&drop.
*
* @function Highcharts.AxisResizer#onMouseDown
*/
AxisResizer.prototype.onMouseDown = function (e) {
// Clear all hover effects.
this.axis.chart.pointer.reset(false, 0);
// Disable runPointActions.
this.grabbed = this.axis.chart.activeResizer = true;
};
/**
* Update all connected axes after a change of control line position
*
* @function Highcharts.AxisResizer#updateAxes
*
* @param {number} chartY
*/
AxisResizer.prototype.updateAxes = function (chartY) {
var resizer = this, chart = resizer.axis.chart, axes = resizer.options.controlledAxis, nextAxes = axes.next.length === 0 ?
[chart.yAxis.indexOf(resizer.axis) + 1] : axes.next,
// Main axis is included in the prev array by default
prevAxes = [resizer.axis].concat(axes.prev),
// prev and next configs
axesConfigs = [], stopDrag = false, plotTop = chart.plotTop, plotHeight = chart.plotHeight, plotBottom = plotTop + plotHeight, yDelta, calculatePercent = function (value) {
return value * 100 / plotHeight + '%';
}, normalize = function (val, min, max) {
return Math.round(clamp(val, min, max));
};
// Normalize chartY to plot area limits
chartY = clamp(chartY, plotTop, plotBottom);
yDelta = chartY - resizer.lastPos;
// Update on changes of at least 1 pixel in the desired direction
if (yDelta * yDelta < 1) {
return;
}
// First gather info how axes should behave
[prevAxes, nextAxes].forEach(function (axesGroup, isNext) {
axesGroup.forEach(function (axisInfo, i) {
// Axes given as array index, axis object or axis id
var axis = isNumber(axisInfo) ?
// If it's a number - it's an index
chart.yAxis[axisInfo] :
(
// If it's first elem. in first group
(!isNext && !i) ?
// then it's an Axis object
axisInfo :
// else it should be an id
chart.get(axisInfo)), axisOptions = axis && axis.options, optionsToUpdate = {}, hDelta = 0, height, top, minLength, maxLength;
// Skip if axis is not found
// or it is navigator's yAxis (#7732)
if (!axisOptions ||
axisOptions.id === 'navigator-y-axis') {
return;
}
top = axis.top;
minLength = Math.round(relativeLength(axisOptions.minLength, plotHeight));
maxLength = Math.round(relativeLength(axisOptions.maxLength, plotHeight));
if (isNext) {
// Try to change height first. yDelta could had changed
yDelta = chartY - resizer.lastPos;
// Normalize height to option limits
height = normalize(axis.len - yDelta, minLength, maxLength);
// Adjust top, so the axis looks like shrinked from top
top = axis.top + yDelta;
// Check for plot area limits
if (top + height > plotBottom) {
hDelta = plotBottom - height - top;
chartY += hDelta;
top += hDelta;
}
// Fit to plot - when overflowing on top
if (top < plotTop) {
top = plotTop;
if (top + height > plotBottom) {
height = plotHeight;
}
}
// If next axis meets min length, stop dragging:
if (height === minLength) {
stopDrag = true;
}
axesConfigs.push({
axis: axis,
options: {
top: calculatePercent(top - plotTop),
height: calculatePercent(height)
}
});
}
else {
// Normalize height to option limits
height = normalize(chartY - top, minLength, maxLength);
// If prev axis meets max length, stop dragging:
if (height === maxLength) {
stopDrag = true;
}
// Check axis size limits
chartY = top + height;
axesConfigs.push({
axis: axis,
options: {
height: calculatePercent(height)
}
});
}
optionsToUpdate.height = height;
});
});
// If we hit the min/maxLength with dragging, don't do anything:
if (!stopDrag) {
// Now update axes:
axesConfigs.forEach(function (config) {
config.axis.update(config.options, false);
});
chart.redraw(false);
}
};
/**
* Destroy AxisResizer. Clear outside references, clear events,
* destroy elements, nullify properties.
*
* @function Highcharts.AxisResizer#destroy
*/
AxisResizer.prototype.destroy = function () {
var resizer = this, axis = resizer.axis;
// Clear resizer in axis
delete axis.resizer;
// Clear control line events
if (this.eventsToUnbind) {
this.eventsToUnbind.forEach(function (unbind) {
unbind();
});
}
// Destroy AxisResizer elements
resizer.controlLine.destroy();
// Nullify properties
objectEach(resizer, function (val, key) {
resizer[key] = null;
});
};
// Default options for AxisResizer.
AxisResizer.resizerOptions = {
/**
* Minimal size of a resizable axis. Could be set as a percent
* of plot area or pixel size.
*
* @sample {highstock} stock/yaxis/resize-min-max-length
* minLength and maxLength
*
* @type {number|string}
* @product highstock
* @requires modules/drag-panes
* @apioption yAxis.minLength
*/
minLength: '10%',
/**
* Maximal size of a resizable axis. Could be set as a percent
* of plot area or pixel size.
*
* @sample {highstock} stock/yaxis/resize-min-max-length
* minLength and maxLength
*
* @type {number|string}
* @product highstock
* @requires modules/drag-panes
* @apioption yAxis.maxLength
*/
maxLength: '100%',
/**
* Options for axis resizing. It adds a thick line between panes which
* the user can drag in order to resize the panes.
*
* @sample {highstock} stock/demo/candlestick-and-volume
* Axis resizing enabled
*
* @product highstock
* @requires modules/drag-panes
* @optionparent yAxis.resize
*/
resize: {
/**
* Contains two arrays of axes that are controlled by control line
* of the axis.
*
* @requires modules/drag-panes
*/
controlledAxis: {
/**
* Array of axes that should move out of the way of resizing
* being done for the current axis. If not set, the next axis
* will be used.
*
* @sample {highstock} stock/yaxis/multiple-resizers
* Three panes with resizers
* @sample {highstock} stock/yaxis/resize-multiple-axes
* One resizer controlling multiple axes
*
* @type {Array<number|string>}
* @default []
* @requires modules/drag-panes
*/
next: [],
/**
* Array of axes that should move with the current axis
* while resizing.
*
* @sample {highstock} stock/yaxis/multiple-resizers
* Three panes with resizers
* @sample {highstock} stock/yaxis/resize-multiple-axes
* One resizer controlling multiple axes
*
* @type {Array<number|string>}
* @default []
* @requires modules/drag-panes
*/
prev: []
},
/**
* Enable or disable resize by drag for the axis.
*
* @sample {highstock} stock/demo/candlestick-and-volume
* Enabled resizer
*
* @requires modules/drag-panes
*/
enabled: false,
/**
* Cursor style for the control line.
*
* In styled mode use class `highcharts-axis-resizer` instead.
*
* @requires modules/drag-panes
*/
cursor: 'ns-resize',
/**
* Color of the control line.
*
* In styled mode use class `highcharts-axis-resizer` instead.
*
* @sample {highstock} stock/yaxis/styled-resizer
* Styled resizer
*
* @type {Highcharts.ColorString}
* @requires modules/drag-panes
*/
lineColor: '#cccccc',
/**
* Dash style of the control line.
*
* In styled mode use class `highcharts-axis-resizer` instead.
*
* @see For supported options check [dashStyle](#plotOptions.series.dashStyle)
*
* @sample {highstock} stock/yaxis/styled-resizer
* Styled resizer
*
* @requires modules/drag-panes
*/
lineDashStyle: 'Solid',
/**
* Width of the control line.
*
* In styled mode use class `highcharts-axis-resizer` instead.
*
* @sample {highstock} stock/yaxis/styled-resizer
* Styled resizer
*
* @requires modules/drag-panes
*/
lineWidth: 4,
/**
* Horizontal offset of the control line.
*
* @sample {highstock} stock/yaxis/styled-resizer
* Styled resizer
*
* @requires modules/drag-panes
*/
x: 0,
/**
* Vertical offset of the control line.
*
* @sample {highstock} stock/yaxis/styled-resizer
* Styled resizer
*
* @requires modules/drag-panes
*/
y: 0
}
};
return AxisResizer;
}());
// Keep resizer reference on axis update
Axis.keepProps.push('resizer');
/* eslint-disable no-invalid-this */
// Add new AxisResizer, update or remove it
addEvent(Axis, 'afterRender', function () {
var axis = this, resizer = axis.resizer, resizerOptions = axis.options.resize, enabled;
if (resizerOptions) {
enabled = resizerOptions.enabled !== false;
if (resizer) {
// Resizer present and enabled
if (enabled) {
// Update options
resizer.init(axis, true);
// Resizer present, but disabled
}
else {
// Destroy the resizer
resizer.destroy();
}
}
else {
// Resizer not present and enabled
if (enabled) {
// Add new resizer
axis.resizer = new H.AxisResizer(axis);
}
// Resizer not present and disabled, so do nothing
}
}
});
// Clear resizer on axis remove.
addEvent(Axis, 'destroy', function (e) {
if (!e.keepEvents && this.resizer) {
this.resizer.destroy();
}
});
// Prevent any hover effects while dragging a control line of AxisResizer.
wrap(Pointer.prototype, 'runPointActions', function (proceed) {
if (!this.chart.activeResizer) {
proceed.apply(this, Array.prototype.slice.call(arguments, 1));
}
});
// Prevent default drag action detection while dragging a control line of
// AxisResizer. (#7563)
wrap(Pointer.prototype, 'drag', function (proceed) {
if (!this.chart.activeResizer) {
proceed.apply(this, Array.prototype.slice.call(arguments, 1));
}
});
merge(true, Axis.defaultYAxisOptions, AxisResizer.resizerOptions);
H.AxisResizer = AxisResizer;
export default H.AxisResizer;