package org.kuali.student.common.ui.client.configurable.mvc.layouts;
   
   import java.util.List;
   
   import org.kuali.student.common.ui.client.configurable.mvc.LayoutController;
   import org.kuali.student.common.ui.client.configurable.mvc.SectionTitle;
   import org.kuali.student.common.ui.client.mvc.Callback;
   import org.kuali.student.common.ui.client.mvc.View;
   import org.kuali.student.common.ui.client.mvc.history.HistoryManager;
  import org.kuali.student.common.ui.client.util.ExportElement;
  import org.kuali.student.common.ui.client.widgets.headers.KSDocumentHeader;
  import org.kuali.student.common.ui.client.widgets.tabs.KSTabPanel;
  import org.kuali.student.common.ui.client.widgets.tabs.KSTabPanel.TabPanelStyle;
  
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.gwt.user.client.ui.Widget;
  
  /**
   * A layout controller which provides tabs for the views added through the addTab method.  If the user
   * clicks on a tab the view is swapped.
   * 
   * @author Kuali Student Team
   *
   */
  public class TabMenuController extends LayoutController{
  
  	protected KSTabPanel tabPanel = new KSTabPanel(TabPanelStyle.SMALL);
  	protected FlowPanel layout = new FlowPanel();
  	protected KSDocumentHeader header = new KSDocumentHeader(false);
  	
  	public TabMenuController(String controllerId) {
  		super();
  		header.addStyleName("tabLayout-ContentHeader");
  		layout.add(header);
  		header.setVisible(false);
  		layout.add(tabPanel);
  		this.initWidget(layout);
  	}
  	
  	/**
  	 * Do not use in combination with setContentTitle
  	 */
  	public void setBasicTitle(String titleText){
  		layout.insert(SectionTitle.generateH1Title(titleText), 0);
  	}
  	
      public void setContentTitle(String title){
          header.setTitle(title);
          header.setVisible(true);
      }
  
      public void addContentWidget(Widget w){
          header.addWidget(w);
          header.setVisible(true);
      }
  
      public void setContentInfo(String info){
          header.getInfoLabel().setHTML(info);
          header.getInfoLabel().removeStyleName("content-warning");
          header.getInfoLabel().addStyleName("content-info");
      }
  
      public void setContentWarning(String info){
          header.getInfoLabel().setHTML(info);
          header.getInfoLabel().removeStyleName("content-info");
          header.getInfoLabel().addStyleName("content-warning");
  
      }
      
      public void showPrint(boolean show){
      	header.showPrint(show);
      }
  
      public void showExport(boolean show) {
          header.showExport(show);
      }
  	/** 
  	 * This version of updateModel only updates from the currentView (since only one view is shown/accessed at a time).  
  	 * Call updateModelFromView to update from a specific view under this controller's scope.
  	 */
  	@Override
  	public void updateModel() {
  		this.updateModelFromCurrentView();
  	}
  
  	@Override
  	protected void hideView(View view) {
  		//Dont need to do anything special here
  	}
  
  	@Override
  	protected void renderView(View view) {
  		//tabPanel.selectTab(view.getViewEnum().toString());
  	}
  	
  	@Override
  	public void showDefaultView(Callback<Boolean> onReadyCallback) {
  		super.showDefaultView(onReadyCallback);
  		if(this.defaultView != null){
 			tabPanel.selectTab(this.defaultView.toString());
 		}
 	}
 	
 	public void addTab(final View view, String tabName){
 		super.addView(view);
 		tabPanel.addTab(view.getViewEnum().toString(), tabName, view.asWidget());
 		tabPanel.addTabCustomCallback(view.getViewEnum().toString(), new Callback<String>(){
 			@Override
 			public void exec(String result) {
 				HistoryManager.setLogNavigationHistory(false);
 				showView(view.getViewEnum());
 			}
 		});
 	}
 
     @Override
     public List<ExportElement> getExportElementsFromView() {
         return super.getExportElementsFromView();
         
     }
 }