finekit/src/main/java/com/fanruan/api/design/work/component/ParameterComboBox.java

package com.fanruan.api.design.work.component;

import com.fanruan.api.cal.ParameterKit;
import com.fanruan.api.design.DesignKit;
import com.fanruan.api.design.ui.component.UIComboBox;
import com.fanruan.api.util.AssistKit;
import com.fr.design.DesignModelAdapter;
import com.fr.stable.ParameterProvider;

import javax.swing.*;
import java.awt.*;
import java.util.ArrayList;
import java.util.List;

/**
 * @author richie
 * @version 10.0
 * Created by richie on 2019/11/1
 * 参数选择下拉框
 */
public class ParameterComboBox extends UIComboBox<ParameterProvider> {

    public ParameterComboBox() {
        this.initComponents();
    }

    private void initComponents() {
        this.setRenderer(new DefaultListCellRenderer() {
            public Component getListCellRendererComponent(JList list,
                                                          Object value, int index, boolean isSelected, boolean cellHasFocus) {
                super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);

                if (value instanceof ParameterProvider) {
                    this.setText(value.toString());
                }

                return this;
            }
        });
        updateParaItems();
    }

    public void updateParaItems() {

        DesignModelAdapter<?, ?> designModel = DesignKit.getCurrentModelAdapter();

        this.removeAllItems();
        if (designModel != null) {
            ParameterProvider[] paras = designModel.getParameters();
            List<String> paraNameList = new ArrayList<String>();
            for (int i = 0; i < paras.length; i++) {
                String paraName = paras[i].getName();
                if (!paraNameList.contains(paraName)) {
                    paraNameList.add(paraName);
                    this.addItem(paras[i]);
                }

            }
        }
    }

    @Override
    public ParameterProvider getSelectedItem() {
        if (super.getSelectedItem() instanceof ParameterProvider) {
            return (ParameterProvider) super.getSelectedItem();
        } else if (super.getSelectedItem() instanceof String && ((String) super.getSelectedItem()).startsWith("$")) {
            return ParameterKit.newParameter(((String) super.getSelectedItem()).substring(1));
        }
        return ParameterKit.newParameter();
    }

    public void setSelectedParameter(ParameterProvider parameter) {
        if (parameter == null) {
            return;
        }
        for (int i = 0; i < this.getItemCount(); i++) {
            if (AssistKit.equals(((ParameterProvider) this.getItemAt(i)).getName(), parameter.getName())) {
                this.setSelectedIndex(i);
                return;
            }
        }
        this.addItem(parameter);
        this.setSelectedItem(parameter);
    }
}