vmereports-manager-portlet/src/main/java/org/gcube/portlets/user/reportgenerator/client/targets/BasicTextArea.java

package org.gcube.portlets.user.reportgenerator.client.targets;

import org.gcube.portlets.d4sreporting.common.shared.ComponentType;
import org.gcube.portlets.user.reportgenerator.client.ReportGenerator;
import org.gcube.portlets.user.reportgenerator.client.Presenter.Presenter;

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.RichTextArea;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
/**
 * <code> BasicTextArea </code> 
 *
 * @author Massimiliano Assante, ISTI-CNR - massimiliano.assante@isti.cnr.it
 * @version July 2011 (3.0) 
 */
public class BasicTextArea extends ReportTextArea {
	private RichTextArea textArea = new RichTextArea();
	//private TextArea textArea = new TextArea();

	private VerticalPanel myPanel;

	int currHeight = 0;




	public BasicTextArea(ComponentType type, final Presenter presenter, int left, int top, final int width,  final int height, boolean hasComments, boolean showClose) {
		super(type, presenter, left, top, width, height, hasComments, showClose);
		currHeight = height;
		myPanel = getResizablePanel();

		textArea.setPixelSize(width, height);
		textArea.getElement().getStyle().setMarginTop(-4, Unit.PX); //this is needed because the richtextarea has margin 8px and a not able to modify it via css

		textArea.addMouseOutHandler(new MouseOutHandler() {

			public void onMouseOut(MouseOutEvent event) {
				presenter.storeChangeInSession((Widget) event.getSource());				
			}
		});
		textArea.setStyleName("report-ui-component");
		

		switch (type) {

		case BODY_NOT_FORMATTED:
			textArea.addStyleName("simpleText");
			myPanel.setTitle("Simple text");
			break;
		default:
			break;
		}		
		myPanel.add(textArea);
		myPanel.setVerticalAlignment(HasVerticalAlignment.ALIGN_BOTTOM);
		myPanel.setPixelSize(width, height);

		textArea.addMouseOutHandler(new MouseOutHandler() {

			public void onMouseOut(MouseOutEvent event) {
				presenter.storeChangeInSession((Widget) event.getSource());

			}
		});

		textArea.addKeyUpHandler(new KeyUpHandler() {
			public void onKeyUp(KeyUpEvent event) {
				HTML div = ReportGenerator.get().getDivHidden();
				div.setHTML(textArea.getHTML());	
				int newHeight = div.getOffsetHeight();

				resizePanel(width, newHeight);
				presenter.resizeTemplateComponentInModel(myInstance, width, newHeight);
				currHeight = newHeight;					

			}			
		});

		textArea.addMouseDownHandler(new MouseDownHandler() {
			public void onMouseDown(MouseDownEvent event) {
				HTML div = ReportGenerator.get().getDivHidden();
				div.setHTML(textArea.getHTML());
				int newHeight = div.getOffsetHeight();

				resizePanel(width, newHeight);
				presenter.resizeTemplateComponentInModel(myInstance, width, newHeight);
				currHeight = newHeight;

			}
		});

	}
	public String getText() {
		return textArea.getText();
	}

	public void setText(String text) {
		textArea.setText(text);

	}

	public RichTextArea getRichTextArea() {
		return null;
	}

	/**
	 * used to resize the panel
	 * @param width w
	 * @param height h
	 */
	@Override
	public void resizePanel(int width, int height) {
		if (height > 25) {
			mainPanel.setPixelSize(width, height);			
			resizablePanel.setPixelSize(width, height);			
			textArea.setPixelSize(width-4, height);
			currHeight = height;
		}
	}

}