net.sf.itcb.common.web.vaadin.component.impl.ContextAnalyserPanel Maven / Gradle / Ivy

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This module is the common portlet module. It defines the base on which the developements can be done by extending view, edit or help mode.

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package net.sf.itcb.common.web.vaadin.component.impl;

import java.io.ByteArrayInputStream;
import java.io.StringWriter;

import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;

import net.sf.itcb.common.web.vaadin.page.config.ContextHolder;

import org.springframework.oxm.jaxb.Jaxb2Marshaller;

import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Component;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.TextArea;

public class ContextAnalyserPanel extends CssLayout {

	private static final long serialVersionUID = 1L;

	protected TextArea textArea;
	protected Button modifyButton;
	
	public ContextAnalyserPanel(final Jaxb2Marshaller marshaller, final ContextHolder contextHolder) {

		this(marshaller, contextHolder, null, null);
	}
	
	public ContextAnalyserPanel(final Jaxb2Marshaller marshaller, final ContextHolder contextHolder, final Component specificComponentToAdd, final Button.ClickListener specificClickListener) {
		this.setSizeFull();
		StringWriter writer = new StringWriter();
		StreamResult stringResult = new StreamResult(writer);
		
		marshaller.marshal(contextHolder.getNavigationContext(), stringResult);
		textArea= new TextArea("Flow content", writer.toString());
		textArea.setSizeFull();
		textArea.addStyleName("ContextAnalyserPanelTextArea");
		addComponent(textArea);
		
		if(specificComponentToAdd != null) {
			addComponent(specificComponentToAdd);
		}
		
		modifyButton = new Button("Modify context", new Button.ClickListener() {
			
			private static final long serialVersionUID = 1L;

			@Override
			public void buttonClick(ClickEvent event) {
				contextHolder.setNavigationContext(marshaller.unmarshal(new StreamSource(new ByteArrayInputStream(textArea.getValue().toString().getBytes()) )));
				if(specificClickListener != null) {
					specificClickListener.buttonClick(event);
				}
			}
		});
		modifyButton.addStyleName("ContextAnalyserPanelModifyButton");
		addComponent(modifyButton);
	}
	
	public Button getModifyButton() {
		return modifyButton;
	}
	
	public TextArea getTextArea() {
		return textArea;
	}
	
}