@syncfusion/ej2-lineargauge
Version:
Essential JS 2 LinearGauge Components
593 lines (569 loc) • 33.8 kB
text/typescript
/* eslint-disable valid-jsdoc */
import { isNullOrUndefined } from '@syncfusion/ej2-base';
import { LinearGauge } from '../../linear-gauge';
import { Axis, Label, Tick, Pointer, Range } from './axis';
import { Orientation, Position } from '../utils/enum';
import { axisLabelRender } from '../model/constant';
import { IAxisLabelRenderEventArgs } from '../model/interface';
import { VisibleLabels, Size, Align, measureText, Rect, textFormatter, formatValue, stringToNumber} from '../utils/helper';
import { valueToCoefficient, getRangePalette, VisibleRange, withInRange, calculateNiceInterval } from '../utils/helper';
/**
* To calculate the overall axis bounds for gauge.
*
* @private
*/
export class AxisLayoutPanel {
private gauge: LinearGauge;
constructor(gauge: LinearGauge) {
this.gauge = gauge;
}
/**
* To calculate the axis bounds
*/
public calculateAxesBounds(): void {
let axis: Axis; let bounds: Rect;
this.gauge.nearSizes = [];
this.gauge.farSizes = [];
let x: number; let y: number; let width: number; let height: number;
const axisPadding: number = 8;
this.checkThermometer();
for (let i: number = 0; i < this.gauge.axes.length; i++) {
axis = <Axis>this.gauge.axes[i as number];
axis.checkAlign = new Align(i, ((!axis.opposedPosition) ? 'Near' : 'Far'));
// eslint-disable-next-line @typescript-eslint/no-unused-expressions
(!axis.opposedPosition) ? this.gauge.nearSizes.push(1) : this.gauge.farSizes.push(1);
this.calculateLineBounds(axis, i);
this.calculateTickBounds(axis);
this.calculateLabelBounds(axis);
if (axis.pointers.length > 0) {
this.calculatePointerBounds(axis);
}
if (axis.ranges.length > 0) {
this.calculateRangesBounds(axis);
}
bounds = axis.labelBounds;
const offset: number = this.gauge.axes[i as number].labelStyle.offset;
if (this.gauge.orientation === 'Vertical') {
x = (!axis.opposedPosition) ? bounds.x - offset - axisPadding : axis.lineBounds.x;
y = axis.lineBounds.y;
height = axis.lineBounds.height;
width = Math.abs((!axis.opposedPosition) ? (axis.lineBounds.x - x) :
((bounds.x + bounds.width + axisPadding) - x - offset));
} else {
y = (!axis.opposedPosition) ? bounds.y - bounds.height - offset - axisPadding : axis.lineBounds.y;
x = axis.lineBounds.x;
width = axis.lineBounds.width;
height = Math.abs((!axis.opposedPosition) ? Math.abs(axis.lineBounds.y - y) : (bounds.y + axisPadding) - y - offset);
}
axis.bounds = new Rect(x, y, width, height);
}
}
/**
* Calculate axis line bounds
*
* @param axis
* @param axisIndex
*/
public calculateLineBounds(axis: Axis, axisIndex: number): void {
let x: number; let y: number; let width: number; let height: number;
let prevAxis: Axis;
let lineHeight: number = axis.line.height;
const orientation: Orientation = this.gauge.orientation;
const containerRect: Rect = this.gauge.containerBounds;
lineHeight = (axis.line.width > 0) ? lineHeight : null;
if (orientation === 'Vertical') {
y = (isNullOrUndefined(lineHeight)) ? containerRect.y :
containerRect.y + ((containerRect.height / 2) - (lineHeight / 2));
width = axis.line.width;
height = (isNullOrUndefined(lineHeight)) ? containerRect.height : lineHeight;
} else {
x = (isNullOrUndefined(lineHeight)) ? containerRect.x :
containerRect.x + ((containerRect.width / 2) - (lineHeight / 2));
height = axis.line.width;
width = (isNullOrUndefined(lineHeight)) ? containerRect.width : lineHeight;
}
let index: number = this.checkPreviousAxes(axis, axisIndex);
let count: number = 0;
if (!isNullOrUndefined(index)) {
for (let i: number = index; i >= 0; i--) {
if (this.gauge.axes[i as number].minimum !== this.gauge.axes[i as number].maximum) {
index = i;
count++;
break;
}
}
if (count === 0) {
index = null;
}
}
if (isNullOrUndefined(index)) {
if (orientation === 'Vertical') {
x = (!axis.opposedPosition ? containerRect.x : containerRect.x + containerRect.width) + axis.line.offset;
} else {
y = (!axis.opposedPosition ? containerRect.y : containerRect.y + containerRect.height) + axis.line.offset;
}
} else {
prevAxis = <Axis>this.gauge.axes[index as number];
if (orientation === 'Vertical') {
x = ((!axis.opposedPosition) ? prevAxis.bounds.x : (prevAxis.bounds.x + prevAxis.bounds.width)) + axis.line.offset;
} else {
y = ((!axis.opposedPosition) ? prevAxis.bounds.y : (prevAxis.bounds.y + prevAxis.bounds.height)) + axis.line.offset;
}
}
axis.lineBounds = new Rect(x, y, width, height);
if (axis.minimum === axis.maximum) {
axis.lineBounds = new Rect(0, 0, 0, 0);
}
}
/**
* Calculate axis tick bounds
*
* @param axis
*/
public calculateTickBounds(axis: Axis): void {
let x: number; let y: number;
let min: number = Math.min(axis.minimum, axis.maximum);
const max: number = Math.max(axis.minimum, axis.maximum);
min = (min === max) ? max - 1 : min;
const bounds: Rect = axis.lineBounds;
const major: Tick = <Tick>axis.majorTicks;
const minor: Tick = <Tick>axis.minorTicks;
axis.majorInterval = major.interval;
axis.minorInterval = minor.interval;
const size: number = (this.gauge.orientation === 'Vertical' ? bounds.height : bounds.width);
const lineSize: number = (this.gauge.orientation === 'Vertical' ? bounds.width : bounds.height) / 2;
axis.majorInterval = isNullOrUndefined(axis.majorInterval) ? calculateNiceInterval(min, max, size, this.gauge.orientation)
: major.interval;
axis.visibleRange = new VisibleRange(min, max, axis.majorInterval, (max - min));
axis.minorInterval = (isNullOrUndefined(axis.minorInterval)) ? axis.majorInterval / 2 : axis.minorInterval;
if (this.gauge.orientation === 'Vertical') {
x = axis.majorTicks.position === 'Auto' ? ((!axis.opposedPosition ? (bounds.x - lineSize - major.height) : bounds.x + lineSize)
+ major.offset) : x;
x = axis.majorTicks.position !== 'Auto' ? (axis.majorTicks.position === 'Cross' ? bounds.x - major.height / 2 - major.offset :
((axis.majorTicks.position === 'Inside' && !axis.opposedPosition) ||
(axis.majorTicks.position === 'Outside' && axis.opposedPosition)) ? (bounds.x - lineSize - major.height - major.offset)
: (bounds.x + lineSize + major.offset)) : x;
axis.majorTickBounds = new Rect(x, bounds.y, major.height, bounds.height);
if (axis.minimum === axis.maximum) {
axis.majorTickBounds = new Rect(0, 0, 0, 0);
}
x = axis.minorTicks.position === 'Auto' ? ((!axis.opposedPosition ? (bounds.x - lineSize - minor.height) : bounds.x + lineSize)
+ minor.offset) : x;
x = axis.minorTicks.position !== 'Auto' ? (axis.minorTicks.position === 'Cross' ? bounds.x - minor.height / 2 - minor.offset :
((axis.minorTicks.position === 'Inside' && !axis.opposedPosition) ||
(axis.minorTicks.position === 'Outside' && axis.opposedPosition)) ? (bounds.x - lineSize - minor.height - minor.offset)
: (bounds.x + lineSize + minor.offset)) : x;
axis.minorTickBounds = new Rect(x, bounds.y, minor.height, bounds.height);
if (axis.minimum === axis.maximum) {
axis.minorTickBounds = new Rect(0, 0, 0, 0);
}
} else {
y = axis.majorTicks.position === 'Auto' ? ((!axis.opposedPosition ? (bounds.y - lineSize - major.height) : bounds.y + lineSize)
+ major.offset) : y;
y = axis.majorTicks.position !== 'Auto' ? ((axis.majorTicks.position === 'Cross' ? bounds.y - major.height / 2 - major.offset :
((axis.majorTicks.position === 'Inside' && !axis.opposedPosition) ||
(axis.majorTicks.position === 'Outside' && axis.opposedPosition)) ?
(bounds.y - lineSize - major.height) - major.offset : bounds.y + lineSize + major.offset)) : y;
axis.majorTickBounds = new Rect(bounds.x, y, bounds.width, major.height);
if (axis.minimum === axis.maximum) {
axis.majorTickBounds = new Rect(0, 0, 0, 0);
}
y = axis.minorTicks.position === 'Auto' ? ((!axis.opposedPosition ? (bounds.y - lineSize - minor.height) : bounds.y + lineSize)
+ minor.offset) : y;
y = axis.minorTicks.position !== 'Auto' ? ((axis.minorTicks.position === 'Cross' ? bounds.y - minor.height / 2 - major.offset :
((axis.minorTicks.position === 'Inside' && !axis.opposedPosition) ||
(axis.minorTicks.position === 'Outside' && axis.opposedPosition)) ?
(bounds.y - lineSize - minor.height) - minor.offset : bounds.y + lineSize + minor.offset)) : y;
axis.minorTickBounds = new Rect(bounds.x, y, bounds.width, minor.height);
if (axis.minimum === axis.maximum) {
axis.minorTickBounds = new Rect(0, 0, 0, 0);
}
}
}
/**
* To Calculate axis label bounds
*
* @param axis
*/
public calculateLabelBounds(axis: Axis): void {
let x: number; let y: number;
const padding: number = 5;
const applyPositionBounds: boolean = (axis.labelStyle.position !== 'Auto' && axis.majorTicks.position !== 'Auto' &&
axis.minorTicks.position !== 'Auto');
const bounds: Rect = applyPositionBounds ? (axis.labelStyle.position === axis.minorTicks.position &&
axis.minorTicks.position !== axis.majorTicks.position ? axis.minorTickBounds : axis.majorTickBounds) :
axis.majorTickBounds;
const offset: number = axis.labelStyle.offset;
this.calculateVisibleLabels(axis);
if (axis.minimum === axis.maximum) {
axis.labelBounds = new Rect(0, 0, 0, 0);
} else {
const width: number = axis.maxLabelSize.width;
const height: number = axis.maxLabelSize.height / 2;
if (this.gauge.orientation === 'Vertical') {
x = axis.labelStyle.position === 'Auto' ? ((!axis.opposedPosition ? (bounds.x - width - padding) :
(bounds.x + bounds.width + padding)) + offset) : x;
let boundx: number = bounds.x;
const offsetForCross: number = axis.majorTicks.position === 'Cross' || axis.minorTicks.position === 'Cross' ?
(bounds.width > axis.lineBounds.width ? bounds.width / 2 : axis.lineBounds.width / 2) : axis.lineBounds.width / 2;
boundx = applyPositionBounds ? ((axis.labelStyle.position !== axis.minorTicks.position &&
axis.labelStyle.position !== axis.majorTicks.position) ?
(axis.minorTicks.position !== 'Cross' && axis.majorTicks.position !== 'Cross' ? (axis.labelStyle.position === 'Inside' ?
bounds.x - axis.lineBounds.width : axis.labelStyle.position === 'Outside' ?
bounds.x + axis.lineBounds.width : bounds.x) : (axis.labelStyle.position === 'Inside' ?
axis.lineBounds.x - offsetForCross : axis.labelStyle.position === 'Outside' ?
axis.lineBounds.x - bounds.width + offsetForCross : bounds.x)) : bounds.x) : bounds.x;
x = axis.labelStyle.position !== 'Auto' ? (axis.labelStyle.position === 'Cross' ? axis.lineBounds.x -
axis.maxLabelSize.width / 4 - offset : ((axis.labelStyle.position === 'Inside' && !axis.opposedPosition) ||
(axis.labelStyle.position === 'Outside' && axis.opposedPosition)) ?
((boundx - width - padding) - offset) : ((boundx + bounds.width + padding) + offset)) : x;
y = axis.lineBounds.y;
} else {
y = axis.labelStyle.position === 'Auto' ? ((!axis.opposedPosition ?
(bounds.y - padding) : ((bounds.y + bounds.height + padding) + height)) + offset) : y;
let boundy: number = bounds.y;
const offsetForCross: number = axis.majorTicks.position === 'Cross' || axis.minorTicks.position === 'Cross' ?
(bounds.height > axis.lineBounds.height ? bounds.height / 2 : axis.lineBounds.height / 2) : axis.lineBounds.height / 2;
boundy = applyPositionBounds ? ((axis.labelStyle.position !== axis.minorTicks.position &&
axis.labelStyle.position !== axis.majorTicks.position) ?
(axis.minorTicks.position !== 'Cross' && axis.majorTicks.position !== 'Cross' ?
(axis.labelStyle.position === 'Inside' ? bounds.y - axis.lineBounds.height : axis.labelStyle.position === 'Outside' ?
bounds.y + axis.lineBounds.height : bounds.y) : (axis.labelStyle.position === 'Inside' ?
axis.lineBounds.y - offsetForCross : axis.labelStyle.position === 'Outside' ?
axis.lineBounds.y - bounds.height + offsetForCross : bounds.y)) : bounds.y) : bounds.y;
y = axis.labelStyle.position !== 'Auto' ? (axis.labelStyle.position === 'Cross' ? axis.lineBounds.y +
axis.maxLabelSize.height / 4 - offset : ((axis.labelStyle.position === 'Inside' && !axis.opposedPosition) ||
(axis.labelStyle.position === 'Outside' && axis.opposedPosition)) ?
(boundy - padding) - offset : ((boundy + bounds.height + padding) + height) + offset) : y;
x = axis.lineBounds.x;
}
axis.labelBounds = new Rect(x, y, width, height);
}
}
/**
* Calculate pointer bounds
*
* @param {Axis} axis - Specifies the axis.
* @returns {void}
*/
public calculatePointerBounds(axis: Axis): void {
let pointer: Pointer;
const range: VisibleRange = axis.visibleRange;
const minimumValue: number = Math.min(range.min, range.max);
const maximumValue: number = Math.max(range.min, range.max);
for (let i: number = 0; i < axis.pointers.length; i++) {
pointer = <Pointer>axis.pointers[i as number];
if (!isNullOrUndefined((<string>pointer.offset)) && (<string>pointer.offset).length > 0) {
pointer.currentOffset = stringToNumber(<string>pointer.offset, (this.gauge.orientation === 'Horizontal' ?
this.gauge.availableSize.height / 2 : this.gauge.availableSize.width / 2));
} else {
pointer.currentOffset = <number>pointer.offset;
}
pointer.currentValue = pointer.value !== null ?
pointer.value < minimumValue ? minimumValue : pointer.value > maximumValue ? maximumValue : pointer.value
: minimumValue;
if (pointer.width > 0 && withInRange(pointer.currentValue, null, null, range.max, range.min, 'pointer')) {
this['calculate' + pointer.type + 'Bounds'](axis, pointer);
}
}
}
/**
* Calculate marker pointer bounds
*
* @param axis
* @param pointer
*/
public calculateMarkerBounds(axis: Axis, pointer: Pointer): void {
let x: number; let y: number;
const line: Rect = axis.lineBounds;
const offset: number = pointer.currentOffset;
const range: VisibleRange = axis.visibleRange;
const placement: string = pointer.placement;
const tick: Rect = axis.majorTickBounds;
const label: Rect = axis.labelBounds;
const border: number = pointer.border.width;
const textSize : Size = measureText(pointer.text, pointer.textStyle);
if (this.gauge.orientation === 'Vertical') {
if (pointer.position === 'Auto') {
x = (!axis.opposedPosition) ? (placement === 'Near') ? label.x : (placement === 'Center') ? tick.x : line.x :
placement === 'Far' ? label.x + label.width : (placement === 'Center' ? tick.x + tick.width : line.x);
x = !axis.opposedPosition ? ((pointer.placement === 'Far' ? ((pointer.markerType === 'Triangle' || pointer.markerType === 'Arrow') ? x - border : x + border) : ((pointer.markerType === 'InvertedTriangle' || pointer.markerType === 'InvertedArrow') ? x + border : x - border)) + (offset)) :
((pointer.placement === 'Near' ? ((pointer.markerType === 'InvertedTriangle' || pointer.markerType === 'InvertedArrow') ? x + border : x - border) : ((pointer.markerType === 'Triangle' || pointer.markerType === 'Arrow') ? x - border : x + border)) + (offset));
} else {
x = (pointer.position === 'Cross' ? line.x - (pointer.markerType === 'Text' ? textSize.width : pointer.width / 2) - offset :
((pointer.position === 'Inside' && !axis.opposedPosition) ||
(pointer.position === 'Outside' && axis.opposedPosition)) ?
(line.x - line.width / 2 - (pointer.markerType !== 'InvertedTriangle' && pointer.markerType !== 'Triangle' ?
(pointer.markerType === 'Text' ? textSize.width : pointer.width) : 0)) - offset : ((line.x + line.width / 2) + offset));
}
y = ((valueToCoefficient(pointer.currentValue, axis, this.gauge.orientation, range) * line.height) + line.y);
} else {
if (pointer.position === 'Auto') {
y = (!axis.opposedPosition) ? (placement === 'Near') ? label.y - label.height : (placement === 'Center') ? tick.y :
line.y : (placement === 'Far') ? label.y : (placement === 'Center') ? tick.y + tick.height : line.y;
y = !axis.opposedPosition ? ((pointer.placement === 'Far' ? ((pointer.markerType === 'Triangle' || pointer.markerType === 'Arrow') ? y - border : y + border) : ((pointer.markerType === 'InvertedTriangle' || pointer.markerType === 'InvertedArrow') ? y + border : y - border)) + (offset)) :
((pointer.placement === 'Near' ? ((pointer.markerType === 'InvertedTriangle' || pointer.markerType === 'InvertedArrow') ? y + border : y - border) : ((pointer.markerType === 'Triangle' || pointer.markerType === 'Arrow') ? y - border : y + border)) + (offset));
} else {
y = (pointer.position === 'Cross' ? line.y - ((pointer.markerType === 'Text' ? textSize.height : pointer.height) / 2) - offset :
((pointer.position === 'Inside' && !axis.opposedPosition) ||
(pointer.position === 'Outside' && axis.opposedPosition)) ?
(line.y - line.height / 2 - (pointer.markerType !== 'InvertedTriangle' && pointer.markerType !== 'Triangle' ?
(pointer.markerType === 'Text' ? textSize.height : pointer.height) : 0)) - offset : ((line.y + line.height / 2) + offset));
}
x = ((valueToCoefficient(pointer.currentValue, axis, this.gauge.orientation, range) * line.width) + line.x);
}
pointer.bounds = new Rect(x, y, pointer.width, pointer.height);
if (axis.minimum === axis.maximum) {
pointer.bounds = new Rect(0, 0, 0, 0);
pointer.width = 0;
pointer.height = 0;
}
}
/**
* Calculate bar pointer bounds
*
* @param axisIndex
* @param axis
* @param pointerIndex
* @param pointer
*/
public calculateBarBounds(axis: Axis, pointer: Pointer): void {
let x1: number; let x2: number; let y1: number;
let y2: number; let height: number; let width: number;
const line: Rect = axis.lineBounds;
const padding: number = 10;
const range: VisibleRange = axis.visibleRange;
const orientation: Orientation = this.gauge.orientation;
const offset: number = pointer.currentOffset;
const container: Rect = this.gauge.containerBounds;
if (orientation === 'Vertical') {
if (pointer.position === 'Auto') {
x1 = (container.width > 0) ? container.x + ((container.width / 2) - (pointer.width / 2)) :
(!axis.opposedPosition) ? (line.x + padding) : (line.x - pointer.width - padding);
x1 += (offset);
} else {
x1 = (pointer.position === 'Cross' ? line.x - pointer.width / 2 - offset :
((pointer.position === 'Inside' && !axis.opposedPosition) ||
(pointer.position === 'Outside' && axis.opposedPosition)) ?
(line.x - line.width / 2 - pointer.width) - offset : ((line.x + line.width / 2) + offset));
}
y1 = ((valueToCoefficient(pointer.currentValue, axis, orientation, range) * line.height) + line.y);
y2 = ((valueToCoefficient(range.min, axis, orientation, range) * line.height) + line.y);
height = Math.abs(y2 - y1);
y1 = (!axis.isInversed) ? y1 : y2;
width = pointer.width;
} else {
if (pointer.position === 'Auto') {
y1 = (container.height > 0) ? (container.y + (container.height / 2) - (pointer.height) / 2) :
(!axis.opposedPosition) ? (line.y + padding) : (line.y - pointer.height - padding);
y1 += (offset);
} else {
y1 = (pointer.position === 'Cross' ? line.y - pointer.height / 2 - offset :
((pointer.position === 'Inside' && !axis.opposedPosition) ||
(pointer.position === 'Outside' && axis.opposedPosition)) ?
(line.y - line.height / 2 - pointer.height) - offset : ((line.y + line.height / 2) + offset));
}
height = pointer.height;
x1 = ((valueToCoefficient(range.min, axis, orientation, range) * line.width) + line.x);
x2 = ((valueToCoefficient(pointer.currentValue, axis, orientation, range) * line.width) + line.x);
width = Math.abs(x2 - x1);
x1 = (!axis.isInversed) ? x1 : x2;
}
pointer.bounds = new Rect(x1, y1, width, height);
if (axis.minimum === axis.maximum) {
pointer.bounds = new Rect(0, 0, 0, 0);
pointer.width = 0;
pointer.height = 0;
}
}
/**
* Calculate ranges bounds
*
* @param axis
* @param axisIndex
*/
public calculateRangesBounds(axis: Axis): void {
let range: Range;
let start: number; let end: number;
const line: Rect = axis.lineBounds;
const visibleRange: VisibleRange = axis.visibleRange;
const orientation: Orientation = this.gauge.orientation;
let startVal: number; let endVal: number;
let pointX: number; let pointY: number;
let width: number; let height: number;
let position: Position;
let gradientRangeColor: string;
let startWidth: number; let endWidth: number;
let colors: string[];
for (let i: number = 0; i < axis.ranges.length; i++) {
range = <Range>axis.ranges[i as number];
if (this.gauge.gradientModule) {
gradientRangeColor = this.gauge.gradientModule.getGradientColorString(range);
}
if (!isNullOrUndefined((<string>range.offset)) && (<string>range.offset).length > 0) {
range.currentOffset = stringToNumber(<string>range.offset, (this.gauge.orientation === 'Horizontal' ?
this.gauge.availableSize.height / 2 : this.gauge.availableSize.width / 2));
} else {
range.currentOffset = <number>range.offset;
}
start = Math.max(range.start, visibleRange.min);
end = Math.min(range.end, visibleRange.max);
if (withInRange(null, start, end, visibleRange.max, visibleRange.min, 'range')) {
end = Math.max(start, end);
start = Math.min(start, range.end);
position = range.position;
startWidth = range.startWidth;
endWidth = range.endWidth;
colors = (!isNullOrUndefined(this.gauge.rangePalettes) && this.gauge.rangePalettes.length > 0) ? this.gauge.rangePalettes :
getRangePalette(this.gauge.theme);
range.interior = (gradientRangeColor) ? gradientRangeColor :
(range.color) ? range.color : colors[i % colors.length];
if (this.gauge.orientation === 'Vertical') {
pointX = line.x + (range.currentOffset) + (position === 'Cross' ? startWidth / 2 :
(position === 'Outside' || position === 'Auto') ?
- (line.width / 2) : position === 'Inside' ? line.width / 2 : 0);
pointY = (valueToCoefficient(end, axis, orientation, visibleRange) * line.height) + line.y;
height = (valueToCoefficient(start, axis, orientation, visibleRange) * line.height) + line.y;
height -= pointY;
startVal = !axis.opposedPosition ? (position === 'Inside' ? (pointX + startWidth) : position === 'Cross' ?
(pointX - startWidth) : (pointX - startWidth)) : (position === 'Inside' ? (pointX - startWidth) :
position === 'Cross' ? (pointX - startWidth) : (pointX + startWidth));
endVal = !axis.opposedPosition ? position === 'Inside' ? (pointX + endWidth) : position === 'Cross' ?
(pointX - endWidth) : (pointX - endWidth) : position === 'Inside' ? (pointX - endWidth) :
position === 'Cross' ? (pointX - endWidth) : (pointX + endWidth);
range.path = 'M' + pointX + ' ' + pointY + ' L ' + pointX + ' ' + (pointY + height) +
' L ' + startVal + ' ' + (pointY + height) + ' L ' + endVal + ' ' + pointY +
' L ' + pointX + ' ' + pointY + ' z ';
} else {
pointX = (valueToCoefficient(end, axis, orientation, visibleRange) * line.width) + line.x;
pointY = axis.lineBounds.y + (range.currentOffset) + (position === 'Cross' ? startWidth / 2 :
(position === 'Outside' || position === 'Auto') ? -(line.height / 2) : position === 'Inside' ? line.height / 2 : 0);
width = (valueToCoefficient(start, axis, orientation, visibleRange) * line.width) + line.x;
width = pointX - width;
startVal = !axis.opposedPosition ? position === 'Inside' ? (pointY + startWidth) : position === 'Cross' ?
(pointY - startWidth) : (pointY - startWidth) : (position === 'Inside') ? (pointY - startWidth) :
position === 'Cross' ? (pointY - startWidth) : (pointY + startWidth);
endVal = !axis.opposedPosition ? position === 'Inside' ? (pointY + endWidth) : position === 'Cross' ?
(pointY - endWidth) : (pointY - endWidth) : (position === 'Inside') ? (pointY - endWidth) :
position === 'Cross' ? (pointY - endWidth) : (pointY + endWidth);
range.path = 'M' + pointX + ' ' + pointY + ' L ' + (pointX - width) + ' ' + pointY +
' L ' + (pointX - width) + ' ' + startVal + ' L ' + pointX + ' ' + endVal +
' L ' + pointX + ' ' + pointY + ' z ';
}
}
}
}
private checkPreviousAxes(currentAxis: Axis, axisIndex: number): number {
let index: number = axisIndex - 1;
let prevAxis: Axis;
const isPositive: boolean = (index >= 0) ? true : false;
if (isPositive) {
prevAxis = <Axis>this.gauge.axes[index as number];
index = (prevAxis.checkAlign.align === currentAxis.checkAlign.align) ? index : this.checkPreviousAxes(currentAxis, index);
} else {
index = null;
}
return index;
}
/**
*
* @param {Axis} axis - Specifies the axis to which labels are to be rendered.
* @returns {void}
*/
public calculateVisibleLabels(axis: Axis): void {
axis.visibleLabels = [];
if (axis.minimum !== axis.maximum) {
const min: number = axis.visibleRange.min;
const max: number = axis.visibleRange.max;
const interval: number = axis.visibleRange.interval;
let argsData: IAxisLabelRenderEventArgs;
const style: Label = <Label>axis.labelStyle; let labelSize: Size;
const customLabelFormat: boolean = style.format && style.format.match('{value}') !== null;
for (let i: number = min; (i <= max && interval > 0); i += interval) {
let currentAxisValue: number = i;
if (currentAxisValue.toString().indexOf('e') !== -1 && isNullOrUndefined(this.gauge.format)) {
const exponent: number = parseInt(currentAxisValue.toString().split('-')[1], 10);
currentAxisValue = parseInt(currentAxisValue.toFixed(exponent as number), 10);
}
argsData = {
cancel: false, name: axisLabelRender, axis: axis,
text: customLabelFormat ? textFormatter(style.format, { value: currentAxisValue }, this.gauge) :
formatValue(currentAxisValue, this.gauge).toString(),
value: currentAxisValue
};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const axisLabelRenderSuccess: any = (argsData: IAxisLabelRenderEventArgs) => {
if (!argsData.cancel) {
axis.visibleLabels.push(new VisibleLabels(
argsData.text, currentAxisValue, labelSize
));
}
};
axisLabelRenderSuccess.bind(this);
this.gauge.trigger(axisLabelRender, argsData, axisLabelRenderSuccess);
}
const lastLabel: number = axis.visibleLabels.length ? axis.visibleLabels[axis.visibleLabels.length - 1].value : null;
const maxVal: number = axis.visibleRange.max;
if (lastLabel !== maxVal && axis.showLastLabel === true) {
argsData = {
cancel: false, name: axisLabelRender, axis: axis,
text: customLabelFormat ? textFormatter(style.format, { value: maxVal }, this.gauge) :
formatValue(maxVal, this.gauge).toString(),
value: maxVal
};
// eslint-disable-next-line @typescript-eslint/no-explicit-any
const axisLabelRenderSuccess: any = (argsData: IAxisLabelRenderEventArgs) => {
labelSize = measureText(argsData.text, axis.labelStyle.font);
if (!argsData.cancel) {
axis.visibleLabels.push(new VisibleLabels(
argsData.text, maxVal, labelSize
));
}
};
axisLabelRenderSuccess.bind(this);
this.gauge.trigger(axisLabelRender, argsData, axisLabelRenderSuccess);
}
this.getMaxLabelWidth(axis);
}
}
/**
* Calculate maximum label width for the axis.
*
* @param {Axis} axis - Specifies the axis to which the labels are to be rendered.
* @return {void}
* @private
*/
private getMaxLabelWidth(axis: Axis): void {
axis.maxLabelSize = new Size(0, 0);
let label: VisibleLabels;
for (let i: number = 0; i < axis.visibleLabels.length; i++) {
label = axis.visibleLabels[i as number];
label.size = measureText(label.text, axis.labelStyle.font);
if (label.size.width > axis.maxLabelSize.width) {
axis.maxLabelSize.width = label.size.width;
}
if (label.size.height > axis.maxLabelSize.height) {
axis.maxLabelSize.height = label.size.height;
}
}
}
private checkThermometer(): void {
if (this.gauge.container.type === 'Thermometer') {
this.gauge.axes.map((axis: Axis) => {
if (axis.isInversed) {
axis.pointers.map((pointer: Pointer) => {
if (pointer.type === 'Bar') {
axis.isInversed = false;
}
});
}
});
}
}
/**
* @private
*/
public destroy(): void {
this.gauge = null;
}
}