bim_engine/src/managers/section-axis-dialog-manager.ts

/**
 * 轴向剖切对话框管理器
 * 负责管理轴向剖切工具对话框的显示、隐藏和剖切面板的交互
 */
import { BaseDialogManager } from '../core/base-dialog-manager';
import { SectionAxisPanel } from '../components/section-axis-panel';
import type { SectionAxis } from '../components/section-axis-panel/types';

/**
 * 轴向剖切对话框管理器
 * 继承自 BaseDialogManager，提供 X/Y/Z 轴向剖切的对话框管理功能
 */
export class SectionAxisDialogManager extends BaseDialogManager {
    /** 轴向剖切面板实例 */
    private panel: SectionAxisPanel | null = null;

    /** 对话框唯一标识 */
    protected get dialogId(): string {
        return 'section-axis-dialog';
    }

    /** 对话框标题（国际化 key） */
    protected get dialogTitle(): string {
        return 'sectionAxis.dialogTitle';
    }

    /** 对话框宽度 */
    protected get dialogWidth(): number {
        return 240;
    }

    /**
     * 获取对话框位置
     * 定位在容器右下角
     */
    protected getDialogPosition(): { x: number; y: number } {
        const container = this.registry.container;
        if (!container) return { x: 100, y: 100 };

        const containerWidth = container.clientWidth;
        const containerHeight = container.clientHeight;
        const paddingRight = 20;
        const paddingBottom = 50;

        return {
            x: containerWidth - this.dialogWidth - paddingRight,
            y: containerHeight - paddingBottom - 200
        };
    }

    /**
     * 创建对话框内容
     * 初始化轴向剖切面板并设置回调
     */
    protected createContent(): HTMLElement {
        this.panel = new SectionAxisPanel({
            defaultAxis: 'x',
            defaultHidden: false,
            onHideToggle: (isHidden) => {
                console.log('[SectionAxisDialogManager] 隐藏切换：', isHidden);
                if (isHidden) {
                    this.registry.engine3d?.hideSection();
                } else {
                    this.registry.engine3d?.recoverSection();
                }
            },
            onReverse: () => {
                // 反向功能：第三方引擎无 API，仅输出日志
                console.log('[SectionAxisDialogManager] 反向剖切（暂不支持）');
            },
            onAxisChange: (axis) => {
                console.log('[SectionAxisDialogManager] 切换轴向：', axis);
                this.registry.engine3d?.activeSection(axis);
            }
        });
        this.panel.init();
        return this.panel.element;
    }

    /** 对话框创建后的回调，自适应高度 */
    protected onDialogCreated(): void {
        this.dialog?.fitHeight(false);
        
        // 检查 Engine 是否已初始化
        if (!this.registry.engine3d) {
            console.error('[SectionAxisDialogManager] Engine not initialized. Call initEngine() first.');
            return;
        }
        
        // 自动激活默认轴向剖切（X轴）
        this.registry.engine3d.activeSection('x');
    }

    /** 对话框关闭时的回调，取消工具栏按钮激活状态 */
    protected onDialogClose(): void {
        this.registry.toolbar?.setBtnActive('section-axis', false);
    }

    /** 销毁前的清理，销毁面板实例 */
    protected onBeforeDestroy(): void {
        this.registry.engine3d?.deactivateSection();
        
        if (this.panel) {
            this.panel.destroy();
            this.panel = null;
        }
    }

    /**
     * 获取剖切面隐藏状态
     * @returns 是否隐藏
     */
    public getHiddenState(): boolean {
        return this.panel?.getHiddenState() ?? false;
    }

    /**
     * 设置剖切面隐藏状态
     * @param isHidden 是否隐藏
     */
    public setHiddenState(isHidden: boolean): void {
        this.panel?.setHiddenState(isHidden);
    }

    /**
     * 获取当前激活的剖切轴向
     * @returns 当前轴向 'x' | 'y' | 'z'
     */
    public getActiveAxis(): SectionAxis {
        return this.panel?.getActiveAxis() ?? 'x';
    }

    /**
     * 设置剖切轴向
     * @param axis 目标轴向
     */
    public setActiveAxis(axis: SectionAxis): void {
        this.panel?.setActiveAxis(axis);
    }
}