source: release-kits/lirk3/bin/ant-installer/src/org/tp23/antinstaller/renderer/swing/SelectInputRenderer.java@ 14982

/* 
 * Copyright 2005 Paul Hinds
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.tp23.antinstaller.renderer.swing;

import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.Enumeration;
import java.util.ResourceBundle;

import javax.swing.ButtonGroup;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;

import org.tp23.antinstaller.input.OutputField;
import org.tp23.antinstaller.input.SelectInput;
import org.tp23.gui.GBCF;

public class SelectInputRenderer
    extends SwingOutputFieldRenderer {
    
    private static final ResourceBundle res = ResourceBundle.getBundle("org.tp23.antinstaller.renderer.Res");

    protected SelectInput inputField;

    protected JLabel fieldLabel = new AILabel();
    protected ButtonGroup optionGroup = new ButtonGroup();

    public SelectInputRenderer() {
    }
    public void initComponent(JPanel parent){
        try {
            jbInit();
        }
        catch(Exception e) {
            ctx.log(e.getMessage());
            if(ctx.getInstaller().isVerbose()) {
                ctx.log(e);
            }
        }
    }



    public void setOutputField(OutputField inputField) {
        this.inputField = (SelectInput)inputField;
    }
    public void updateInputField(){
        Enumeration enumumeration = optionGroup.getElements();
        int i = 0;
        for(; enumumeration.hasMoreElements(); i++){
            JRadioButton o = (JRadioButton)enumumeration.nextElement();
            if(o.isSelected()) {
                inputField.setValue(inputField.getOptions()[i].value);
                break;
            }
        }
        if(i > inputField.getOptions().length) {
            inputField.setValue(inputField.getDefaultValue());
        }
    }
    public void updateDefaultValue() {
        if(!inputField.isEditted()) {
            String newDefault = inputField.getDefaultValue();
            Enumeration enumeration = optionGroup.getElements();
            for(int i = 0; enumeration.hasMoreElements(); i++){
                if(newDefault.equals(inputField.getOptions()[i].value)) {
                    JRadioButton jrb = (JRadioButton) enumeration.nextElement();
                    jrb.setSelected(true);
                    // @todo should break?
                } else {
                    enumeration.nextElement();
                }
            }
        }
    }

    private void jbInit() throws Exception {
        fieldLabel.setText(inputField.getDisplayText());
        SelectInput.Option[] options = inputField.getOptions();

        for (int i = 0; i < options.length; i++) {
            JRadioButton jrb = new AIRadioButton(options[i].getText());
            optionGroup.add(jrb);
            if(options[i].value.equals(inputField.getDefaultValue())){
                jrb.setSelected(true);
            }
            jrb.addItemListener(new ItemListener(){
                public void itemStateChanged(ItemEvent e) {
                    inputField.setEditted(true);
                }
            });
        }
    }
    public int addSelf(JPanel content,GBCF cf,  int row,boolean overflow) {
        content.add(fieldLabel,cf.getCell(row, 0));
        Enumeration enumeration = optionGroup.getElements();
        // there should be at least two
        enumeration.hasMoreElements();
        AIRadioButton jrb = (AIRadioButton)enumeration.nextElement();
        content.add(jrb,cf.getCell(row++, 1));
        if(overflow) {
            jrb.setOverflow(SizeConstants.OVERFLOW_FIELD_SIZE);
        }
        JPanel empty = new JPanel();
        while(enumeration.hasMoreElements()){
            jrb = (AIRadioButton)enumeration.nextElement();
            content.add(empty,cf.getCell(row, 0));
            content.add(jrb,cf.getCell(row++, 1));
            if(overflow) {
                jrb.setOverflow(SizeConstants.OVERFLOW_FIELD_SIZE);
            }
        }
        return row;
    }

    /**
     * renderError
     */
    public void renderError() {
        ctx.getMessageRenderer().printMessage(res.getString("notValidSelection"));
        // fixed BUG:1295944  ctx.getMessageRenderer().printMessage("Not a valid selection");
        //optionGroup.requestFocus();
    }
}