design/designer-base/src/main/java/com/fr/design/mainframe/DesignerUIModeConfig.java

package com.fr.design.mainframe;

import com.fr.base.AutoChangeLineProvider;
import com.fr.base.DefaultAutoChangeLine;
import com.fr.base.ScreenResolution;
import com.fr.design.fun.ReportLengthUNITProvider;
import com.fr.design.unit.UnitConvertUtil;
import com.fr.form.fit.NewUIModeAutoChangeLine;
import com.fr.general.ComparatorUtils;
import com.fr.stable.Constants;

/**
 * Created by kerry on 2020-06-05
 */
public class DesignerUIModeConfig {
    private DesignerUIMode mode = DesignerUIMode.ABSOLUTE_MEASURE_UI_MODE;

    private static class DesignerUIModeConfigHolder {
        private static final DesignerUIModeConfig designerUIModeConfig = new DesignerUIModeConfig();
    }

    private DesignerUIModeConfig() {

    }

    public static DesignerUIModeConfig getInstance() {
        return DesignerUIModeConfigHolder.designerUIModeConfig;
    }


    /**
     * 判断是否是新ui模式
     *
     * @return boolean
     */
    public boolean simulateWebUIMode() {
        return ComparatorUtils.equals(DesignerUIMode.SIMULATE_WEB_UI_MODE, mode);
    }

    /**
     * 设置新ui模式
     */
    public void setSimulateWebUIMode() {
        this.mode = DesignerUIMode.SIMULATE_WEB_UI_MODE;
    }

    /**
     * 设置老ui模式
     */
    public void setAbsoluteMeasureUIMode() {
        this.mode = DesignerUIMode.ABSOLUTE_MEASURE_UI_MODE;
    }

    /**
     * 解析不同模式下的尺寸单位
     *
     * @param unitType 尺寸类型
     * @return ReportLengthUNITProvider对象
     */
    public ReportLengthUNITProvider parseLengthUNIT(int unitType) {
        return mode.parseLengthUNIT(unitType);
    }

    /**
     * 获取不同模式下的换行逻辑
     * @return AutoChangeLineProvider
     */
    public AutoChangeLineProvider getAutoChangeLineStrategy() {
        return mode.getAutoChangeLineStrategy();
    }

    /**
     * 获取不同模式下的屏幕分辨率
     *
     * @return 分辨率
     */
    public int getScreenResolution() {
        return mode.getScreenResolution();
    }


    private enum DesignerUIMode {
        ABSOLUTE_MEASURE_UI_MODE {
            @Override
            protected ReportLengthUNITProvider parseLengthUNIT(int unitType) {
                return UnitConvertUtil.parseLengthUNIT(unitType);
            }

            @Override
            public AutoChangeLineProvider getAutoChangeLineStrategy() {
                return new DefaultAutoChangeLine();
            }

            @Override
            protected int getScreenResolution() {
                return ScreenResolution.getScreenResolution();
            }

        },
        SIMULATE_WEB_UI_MODE {
            @Override
            protected ReportLengthUNITProvider parseLengthUNIT(int unitType) {
                return new PXReportLengthUNIT();
            }

            @Override
            public AutoChangeLineProvider getAutoChangeLineStrategy() {
                return new NewUIModeAutoChangeLine();
            }

            @Override
            protected int getScreenResolution() {
                return Constants.DEFAULT_WEBWRITE_AND_SCREEN_RESOLUTION;
            }

        };

        protected abstract ReportLengthUNITProvider parseLengthUNIT(int unitType);

        public abstract AutoChangeLineProvider getAutoChangeLineStrategy();


        protected abstract int getScreenResolution();

    }

}