source: other-projects/trunk/realistic-books/packages/AntInstaller/src/org/tp23/antinstaller/renderer/swing/CommentOutputRenderer.java@ 19253

/* 
 * 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.Dimension;
import java.awt.Font;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.text.JTextComponent;

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

public class CommentOutputRenderer
    extends SwingOutputFieldRenderer {

    protected AILabel fieldLabel = new AILabel();
    // hack callback, should move this to superclass
    protected JTextComponent explanatoryTextField;

    private static Font boldCommentFont;
    private static Font titleCommentFont;
    static{
        boldCommentFont = new JLabel().getFont();// reusing the variable
        try {
            boldCommentFont = new Font(boldCommentFont.getFamily(), Font.BOLD, boldCommentFont.getSize());
            titleCommentFont = new Font(boldCommentFont.getFamily(), Font.BOLD, 16);
        }
        catch (Exception ex) {
            // lets not fail due to font errors
        }
    }

    public CommentOutputRenderer() {
    }

    public void initComponent(JPanel parent){
        try {
            jbInit();
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }

    public void setOutputField(OutputField outputField) {
        this.outputField = (CommentOutput)outputField;// trap ClassCast bugs early
    }
    public void updateInputField(){
    }

//   hack callback, should move this to superclass
    public JTextComponent getExplanatoryTextField() {
        return explanatoryTextField;
    }
//  hack callback, should move this to superclass
    public void setExplanatoryTextField(JTextComponent explanatoryTextField) {
        this.explanatoryTextField = explanatoryTextField;
    }
    /**
     * Since comments may now include expanded properties this should be called when the 
     * field is rendered.  For no ONLY comment fields have property values expanded
     */
    public void updateDefaultValue(){
        fieldLabel.setText(outputField.getDisplayText());
        if(explanatoryTextField != null) {
            explanatoryTextField.setText(outputField.getExplanatoryText());
        }
    }
    private void jbInit() throws Exception {
        
        // FindBugs - cast is performed here to avoid overriding protected superclass field 
        CommentOutput cOutputField = (CommentOutput)outputField;
        
        fieldLabel.setText(cOutputField.getDisplayText());
        
        if( OutputField.isTrue(cOutputField.getBold()) ){
            fieldLabel.setFont(boldCommentFont);
        }
        if( OutputField.isTrue(cOutputField.getTitle()) ){
            fieldLabel.setFont(titleCommentFont);
        }
    }
    public int addSelf(JPanel content, GBCF cf,  int row, boolean overflow) {
        content.add(fieldLabel, cf.getSpan(row));
        if(overflow){
            fieldLabel.setOverflow(SizeConstants.OVERFLOW_TOTAL_SIZE);
        } else {
            fieldLabel.setOverflow(new Dimension(SizeConstants.FIELD_WIDTH + SizeConstants.LABEL_WIDTH, SizeConstants.FIELD_HEIGHT));
        }
        return ++row;
    }


    /**
     * renderError
     */
    public void renderError() {
    }
}