package com.onaro.util.jfc.tables.filter;

import javax.swing.JTextField;

import com.onaro.util.jfc.tables.FilterTable;

/**
 * A filter editor displas a border-less popup window containig a text field in which the user types the search pattern.
 * The editor is closed whenever the table or the window changes or the mouse is clicked outside the editor.
 */
public class TextFieldFilterEditor extends AbstractFilterEditor {
    /**
     * Installs a borderless pop up window on top a column's header and configures the listeners needed to close
     * this popup.
     */
    public TextFieldFilterEditor(FilterTable filterTable, int columnInModel, Filter filter) {
        super(filterTable, columnInModel, filter, new JTextField());
        JTextField textfield = ((JTextField) field);
        Object filterPattern = filter.getPattern();
        textfield.setText(filterPattern != null ? filterPattern.toString() : null);
        textfield.selectAll();
        textfield.addActionListener(this);
    }

    public Object getPattern() {
        JTextField textfield = ((JTextField) field);
        String pattern = textfield.getText();
        if (pattern != null) {
            pattern = pattern.trim();
            if (pattern.length() == 0)
                pattern = null;
        }
        return pattern;
    }

    protected void hideLater(AbstractFilterEditor filterEditor) {
        super.hideLater(filterEditor);
        JTextField textfield = ((JTextField) field);
        textfield.removeActionListener(this);
    }
}