demo-formula-script/src/com/fr/solution/plugin/design/formula/ui/type/impl/BasicFormulaPane.java

package com.fr.solution.plugin.design.formula.ui.type.impl;

import com.fr.base.Formula;
import com.fr.base.Parameter;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.RSyntaxTextArea;
import com.fr.design.gui.syntax.ui.rsyntaxtextarea.SyntaxConstants;
import com.fr.script.Calculator;
import com.fr.solution.plugin.design.formula.ui.type.BaseFormulaPane;
import com.fr.stable.StringUtils;

import java.util.Set;

public class BasicFormulaPane extends BaseFormulaPane<Formula> {

    @Override
    public boolean accept(Object ob) {
        return ob instanceof Formula;
    }

    @Override
    public void populateBean(Formula formula) {
        if (formula != null) {
            String content = formula.getContent();
            fixContent(content);
        }
    }

    @Override
    protected Formula createWrittenFormula(String content) {
        return new Formula();
    }

    @Override
    protected Formula createFormula(String content) {
        Formula formula;
        if (StringUtils.isEmpty(content) || content.trim().charAt(0) == '=') {
            formula = new Formula(content);
        } else {
            formula = new Formula("=" + content);
        }
        return formula;
    }

    @Override
    protected RSyntaxTextArea createContentEditor() {
        RSyntaxTextArea formulaTextArea = new RSyntaxTextArea();
        configFormulaArea(formulaTextArea);
        return formulaTextArea;
    }

    protected void configFormulaArea(RSyntaxTextArea formulaTextArea) {
        formulaTextArea.setSyntaxEditingStyle(SyntaxConstants.SYNTAX_STYLE_FORMULA);
        formulaTextArea.setAnimateBracketMatching(true);
        formulaTextArea.setAntiAliasingEnabled(true);
        formulaTextArea.setAutoIndentEnabled(true);
        formulaTextArea.setCodeFoldingEnabled(true);
        formulaTextArea.setUseSelectedTextColor(true);
        formulaTextArea.setCloseCurlyBraces(true);
        formulaTextArea.setBracketMatchingEnabled(true);
        formulaTextArea.setAntiAliasingEnabled(true);
        formulaTextArea.setCloseMarkupTags(true);
        formulaTextArea.setLineWrap(true);
    }

    @Override
    public Parameter[] analyze4Parameters(Calculator calculator) {
        Formula formula = updateBean();
        if (formula == null) {
            return new Parameter[0];
        }
        String[] arr = formula.dependence(calculator);
        Parameter[] parameters = new Parameter[arr.length];
        for (int i = 0, len = arr.length; i < len; i ++) {
            parameters[i] = new Parameter(arr[i]);
        }
        return parameters;
    }
}