ng-cw-v12
Version:
Angular UI Component Library
170 lines (165 loc) • 9.52 kB
JavaScript
import * as i0 from '@angular/core';
import { Directive, Input, NgModule } from '@angular/core';
class MagicCardDirective {
constructor(el, renderer) {
this.el = el;
this.renderer = renderer;
/** 渐变大小，单位px */
this.ncGradientSize = 200;
/** 内部渐变颜色，可以是单色或颜色数组 */
this.ncGradientColor = '#D9D9D955';
/** 内部渐变透明度 */
this.ncGradientOpacity = 0.8;
/** 边框颜色，可以是单色或颜色数组 */
this.ncBorderColor = ["#9E7AFF", "#FE8BBB"];
/** 卡片背景颜色 */
this.ncCardBackground = 'white';
this.mouseX = -200;
this.mouseY = -200;
this.handleMouseEnter = () => {
this.renderer.setStyle(this.borderElement, 'opacity', '1');
this.renderer.setStyle(this.gradientElement, 'opacity', this.ncGradientOpacity.toString());
};
this.handleMouseMove = (e) => {
const rect = this.el.nativeElement.getBoundingClientRect();
this.mouseX = e.clientX - rect.left;
this.mouseY = e.clientY - rect.top;
this.updateGradients();
};
this.handleMouseLeave = () => {
this.mouseX = -this.ncGradientSize;
this.mouseY = -this.ncGradientSize;
this.updateGradients();
this.renderer.setStyle(this.borderElement, 'opacity', '0');
this.renderer.setStyle(this.gradientElement, 'opacity', '0');
};
}
ngOnInit() {
this.setupMagicCard();
this.addEventListeners();
this.initializeMousePosition();
}
setupMagicCard() {
const element = this.el.nativeElement;
const computedStyle = getComputedStyle(element);
// 设置主容器样式
const elementPosition = computedStyle.position;
if (!elementPosition || elementPosition === 'static') {
this.renderer.setStyle(element, 'position', 'relative');
}
this.renderer.addClass(element, 'nc-magic-card');
// 获取容器的边框宽度
const borderTopWidth = parseFloat(computedStyle.borderTopWidth) || 0;
const borderRightWidth = parseFloat(computedStyle.borderRightWidth) || 0;
const borderBottomWidth = parseFloat(computedStyle.borderBottomWidth) || 0;
const borderLeftWidth = parseFloat(computedStyle.borderLeftWidth) || 0;
// 如果没有边框，默认使用1px
const maxBorderWidth = Math.max(borderTopWidth, borderRightWidth, borderBottomWidth, borderLeftWidth);
const borderWidth = maxBorderWidth > 0 ? maxBorderWidth : 1;
// 创建边框元素 - 根据实际边框宽度向外扩展
this.borderElement = this.renderer.createElement('div');
this.renderer.addClass(this.borderElement, 'nc-magic-card-border');
this.renderer.setStyle(this.borderElement, 'pointer-events', 'none');
this.renderer.setStyle(this.borderElement, 'position', 'absolute');
this.renderer.setStyle(this.borderElement, 'inset', `-${borderWidth}px`); // 根据边框宽度动态设置
this.renderer.setStyle(this.borderElement, 'border-radius', 'inherit');
this.renderer.setStyle(this.borderElement, 'transition', 'opacity 300ms ease');
this.renderer.setStyle(this.borderElement, 'opacity', '0');
this.renderer.setStyle(this.borderElement, 'z-index', '1');
// 创建背景元素 - 隐藏边框层的内部区域
this.backgroundElement = this.renderer.createElement('div');
this.renderer.addClass(this.backgroundElement, 'nc-magic-card-background');
this.renderer.setStyle(this.backgroundElement, 'pointer-events', 'none');
this.renderer.setStyle(this.backgroundElement, 'position', 'absolute');
this.renderer.setStyle(this.backgroundElement, 'inset', '0');
this.renderer.setStyle(this.backgroundElement, 'border-radius', 'inherit');
this.renderer.setStyle(this.backgroundElement, 'background-color', this.ncCardBackground);
this.renderer.setStyle(this.backgroundElement, 'z-index', '2');
// 创建渐变元素
this.gradientElement = this.renderer.createElement('div');
this.renderer.addClass(this.gradientElement, 'nc-magic-card-gradient');
this.renderer.setStyle(this.gradientElement, 'pointer-events', 'none');
this.renderer.setStyle(this.gradientElement, 'position', 'absolute');
this.renderer.setStyle(this.gradientElement, 'inset', '0');
this.renderer.setStyle(this.gradientElement, 'border-radius', 'inherit');
this.renderer.setStyle(this.gradientElement, 'transition', 'opacity 300ms ease');
this.renderer.setStyle(this.gradientElement, 'opacity', '0');
this.renderer.setStyle(this.gradientElement, 'z-index', '4');
// 原始内容位于背景层之上，渐变层之下
const children = Array.from(element.children);
children.forEach((child) => {
const childPosition = getComputedStyle(child).position;
if (!childPosition || childPosition === 'static') {
this.renderer.setStyle(child, 'position', 'relative');
}
this.renderer.setStyle(child, 'z-index', '3');
});
// 添加效果层到原始元素
this.renderer.appendChild(element, this.borderElement);
this.renderer.appendChild(element, this.backgroundElement);
this.renderer.appendChild(element, this.gradientElement);
}
addEventListeners() {
const element = this.el.nativeElement;
this.renderer.listen(element, 'mousemove', this.handleMouseMove);
this.renderer.listen(element, 'mouseleave', this.handleMouseLeave);
this.renderer.listen(element, 'mouseenter', this.handleMouseEnter);
}
initializeMousePosition() {
this.mouseX = -this.ncGradientSize;
this.mouseY = -this.ncGradientSize;
this.updateGradients();
}
updateGradients() {
if (this.borderElement && this.gradientElement) {
// 更新边框渐变
const borderColors = Array.isArray(this.ncBorderColor) ? this.ncBorderColor.join(',') : this.ncBorderColor;
const borderGradient = `radial-gradient(${this.ncGradientSize}px circle at ${this.mouseX}px ${this.mouseY}px, ${borderColors}, transparent)`;
this.renderer.setStyle(this.borderElement, 'background', borderGradient);
// 更新内部渐变
const innerColors = Array.isArray(this.ncGradientColor) ? this.ncGradientColor.join(',') : this.ncGradientColor;
const innerGradient = `radial-gradient(${this.ncGradientSize}px circle at ${this.mouseX}px ${this.mouseY}px, ${innerColors}, transparent 100%)`;
this.renderer.setStyle(this.gradientElement, 'background', innerGradient);
}
}
}
MagicCardDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: MagicCardDirective, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }], target: i0.ɵɵFactoryTarget.Directive });
MagicCardDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "12.0.0", version: "12.1.5", type: MagicCardDirective, selector: "[ncMagicCard]", inputs: { ncGradientSize: "ncGradientSize", ncGradientColor: "ncGradientColor", ncGradientOpacity: "ncGradientOpacity", ncBorderColor: "ncBorderColor", ncCardBackground: "ncCardBackground" }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: MagicCardDirective, decorators: [{
type: Directive,
args: [{
selector: '[ncMagicCard]'
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }]; }, propDecorators: { ncGradientSize: [{
type: Input
}], ncGradientColor: [{
type: Input
}], ncGradientOpacity: [{
type: Input
}], ncBorderColor: [{
type: Input
}], ncCardBackground: [{
type: Input
}] } });
class NcMagicCardModule {
}
NcMagicCardModule.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: NcMagicCardModule, deps: [], target: i0.ɵɵFactoryTarget.NgModule });
NcMagicCardModule.ɵmod = i0.ɵɵngDeclareNgModule({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: NcMagicCardModule, declarations: [MagicCardDirective], exports: [MagicCardDirective] });
NcMagicCardModule.ɵinj = i0.ɵɵngDeclareInjector({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: NcMagicCardModule, imports: [[]] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: NcMagicCardModule, decorators: [{
type: NgModule,
args: [{
declarations: [
MagicCardDirective
],
imports: [],
exports: [
MagicCardDirective
]
}]
}] });
/**
* Generated bundle index. Do not edit.
*/
export { MagicCardDirective, NcMagicCardModule };
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