ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
115 lines • 11.9 kB
JavaScript
/**
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
*/
import { __decorate, __metadata } from "tslib";
import { ChangeDetectionStrategy, Component, Input, ViewEncapsulation } from '@angular/core';
import { InputBoolean } from 'ng-zorro-antd/core/util';
export class NzSliderMarksComponent {
constructor() {
this.lowerBound = null;
this.upperBound = null;
this.marksArray = [];
this.vertical = false;
this.included = false;
this.marks = [];
}
ngOnChanges(changes) {
const { marksArray, lowerBound, upperBound } = changes;
if (marksArray) {
this.buildMarks();
}
if (marksArray || lowerBound || upperBound) {
this.togglePointActive();
}
}
trackById(_index, mark) {
return mark.value;
}
buildMarks() {
const range = this.max - this.min;
this.marks = this.marksArray.map(mark => {
const { value, offset, config } = mark;
const style = this.getMarkStyles(value, range, config);
const label = isConfigObject(config) ? config.label : config;
return {
label,
offset,
style,
value,
config,
active: false
};
});
}
getMarkStyles(value, range, config) {
let style;
if (this.vertical) {
style = {
marginBottom: '-50%',
bottom: `${((value - this.min) / range) * 100}%`
};
}
else {
style = {
transform: `translate3d(-50%, 0, 0)`,
left: `${((value - this.min) / range) * 100}%`
};
}
if (isConfigObject(config) && config.style) {
style = Object.assign(Object.assign({}, style), config.style);
}
return style;
}
togglePointActive() {
if (this.marks && this.lowerBound !== null && this.upperBound !== null) {
this.marks.forEach(mark => {
const value = mark.value;
const isActive = (!this.included && value === this.upperBound) || (this.included && value <= this.upperBound && value >= this.lowerBound);
mark.active = isActive;
});
}
}
}
NzSliderMarksComponent.decorators = [
{ type: Component, args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
preserveWhitespaces: false,
selector: 'nz-slider-marks',
exportAs: 'nzSliderMarks',
template: `
<div class="ant-slider-mark">
<span
class="ant-slider-mark-text"
*ngFor="let attr of marks; trackBy: trackById"
[class.ant-slider-mark-active]="attr.active"
[ngStyle]="attr.style!"
[innerHTML]="attr.label"
>
</span>
</div>
`
},] }
];
NzSliderMarksComponent.propDecorators = {
lowerBound: [{ type: Input }],
upperBound: [{ type: Input }],
marksArray: [{ type: Input }],
min: [{ type: Input }],
max: [{ type: Input }],
vertical: [{ type: Input }],
included: [{ type: Input }]
};
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzSliderMarksComponent.prototype, "vertical", void 0);
__decorate([
InputBoolean(),
__metadata("design:type", Object)
], NzSliderMarksComponent.prototype, "included", void 0);
function isConfigObject(config) {
return typeof config !== 'string';
}
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config.label : config;\n\n      return {\n        label,\n        offset,\n        style,\n        value,\n        config,\n        active: false\n      };\n    });\n  }\n\n  private getMarkStyles(value: number, range: number, config: NzMark): NgStyleInterface {\n    let style;\n\n    if (this.vertical) {\n      style = {\n        marginBottom: '-50%',\n        bottom: `${((value - this.min) / range) * 100}%`\n      };\n    } else {\n      style = {\n        transform: `translate3d(-50%, 0, 0)`,\n        left: `${((value - this.min) / range) * 100}%`\n      };\n    }\n\n    if (isConfigObject(config) && config.style) {\n      style = { ...style, ...config.style };\n    }\n\n    return style;\n  }\n\n  private togglePointActive(): void {\n    if (this.marks && this.lowerBound !== null && this.upperBound !== null) {\n      this.marks.forEach(mark => {\n        const value = mark.value;\n        const isActive =\n          (!this.included && value === this.upperBound) || (this.included && value <= this.upperBound! && value >= this.lowerBound!);\n\n        mark.active = isActive;\n      });\n    }\n  }\n}\n\nfunction isConfigObject(config: NzMark): config is NzMarkObj {\n  return typeof config !== 'string';\n}\n"]}