finekit/src/main/java/com/fanruan/api/design/ui/editor/TypeFormulaEditor.java

package com.fanruan.api.design.ui.editor;

import com.fanruan.api.design.ui.component.UITextField;
import com.fanruan.api.util.StringKit;
import com.fr.base.BaseFormula;
import com.fr.design.dialog.DialogActionAdapter;
import com.fr.design.formula.FormulaFactory;
import com.fr.design.formula.UIFormula;

import javax.swing.*;
import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

/**
 * @author richie
 * @version 10.0
 * Created by richie on 2019/11/1
 * 用于编辑和展示公式的编辑器
 * TODO:待补充文档
 */
public class TypeFormulaEditor extends BaseEditor<BaseFormula> {
    private BaseFormula formula = BaseFormula.createFormulaBuilder().build();
    private UITextField currentTextField;
    private TypeFormulaEditor.ShowPaneListener listener = new TypeFormulaEditor.ShowPaneListener();


    public TypeFormulaEditor() {
        this(StringKit.EMPTY);
    }

    public TypeFormulaEditor(String name) {
        this(name, null);
    }

    public TypeFormulaEditor(String name, BaseFormula formula) {
        if (formula != null) {
            this.formula = formula;
        }
        this.setLayout(new BorderLayout());

        JPanel editPane = new JPanel(new BorderLayout());
        currentTextField = new UITextField(28);
        currentTextField.setText(this.formula.getContent());

        editPane.add(currentTextField, BorderLayout.CENTER);
        currentTextField.setEditable(false);
        currentTextField.addMouseListener(listener);
        this.add(editPane, BorderLayout.CENTER);
        this.setName(name);
    }

    private class ShowPaneListener extends MouseAdapter {
        public void mousePressed(MouseEvent e) {
            if (currentTextField.isEnabled()) {
                showFormulaPane();
            }
        }
    }


    /**
     * 选中时弹出公式编辑框
     */
    public void selected() {
        showFormulaPane();
    }

    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        currentTextField.setEnabled(enabled);
    }

    private void showFormulaPane() {
        final UIFormula formulaPane = FormulaFactory.createFormulaPaneWhenReserveFormula();
        formulaPane.populate(formula);
        formulaPane.showLargeWindow(SwingUtilities.getWindowAncestor(TypeFormulaEditor.this), new DialogActionAdapter() {

            @Override
            public void doOk() {
                formula = formulaPane.update();
                setValue(formula);
                fireStateChanged();
            }
        }).setVisible(true);
    }

    public BaseFormula getFormula() {
        return formula;
    }

    @Override
    public UITextField getSwingComponent() {
        return currentTextField;
    }

    /**
     * object是否是公式类型对象
     *
     * @param object 需判断的对象
     * @return 是公式类型则返回true
     */
    public boolean accept(Object object) {
        return object instanceof BaseFormula;
    }

    @Override
    public BaseFormula getValue() {
        if (formula != null && "=".equals(formula.getContent())) {
            return null;
        }
        return formula;
    }

    @Override
    public void setValue(BaseFormula value) {
        if (value == null) {
            value = BaseFormula.createFormulaBuilder().build();
        }
        this.formula = value;
        currentTextField.setText(value.toString());
    }

    public String getIconName() {
        return "type_formula";
    }

    /**
     * 重置
     */
    public void reset() {
        currentTextField.setText("=");
        formula = BaseFormula.createFormulaBuilder().build();
    }

    /**
     * 清楚数据
     */
    public void clearData() {
        reset();
    }

    /**
     * 是否可用
     *
     * @param flag 为true代表可用
     */
    public void enableEditor(boolean flag) {
        this.setEnabled(flag);
        this.currentTextField.setEnabled(flag);
        if (!flag) {
            this.currentTextField.removeMouseListener(listener);
        } else {
            int listenerSize = this.currentTextField.getMouseListeners().length;
            for (int i = 0; i < listenerSize; i++) {
                this.currentTextField.removeMouseListener(listener);
            }
            this.currentTextField.addMouseListener(listener);
        }
    }
}