/*
 * Copyright 2011 Corpuslinguistic working group Humboldt University Berlin.
 *
 * 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 annis.gui;

import annis.gui.objects.DisplayedResultQuery;
import annis.libgui.Helper;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Label;
import com.vaadin.ui.TextArea;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.themes.ValoTheme;
import java.net.URI;


/**
 *
 * @author Thomas Krause <krauseto@hu-berlin.de>
 */
public class ShareQueryReferenceWindow extends Window
  implements Button.ClickListener
{
  
  public ShareQueryReferenceWindow(DisplayedResultQuery query, boolean shorten)
  {
    super("Query reference link");
    
    VerticalLayout wLayout = new VerticalLayout();
    setContent(wLayout);
    wLayout.setSizeFull();
    wLayout.setMargin(true);
    
    Label lblInfo = new Label("<p style=\"font-size: 18px\" >"
        + "<strong>Share your query:</strong> "
        + "1. Copy the generated link 2. Share this link with your peers. "
        + "</p>",
      ContentMode.HTML);
    wLayout.addComponent(lblInfo);
    wLayout.setExpandRatio(lblInfo, 0.0f);
    
    String shortURL = "ERROR";
    if(query != null)
    {
      URI url = Helper.generateCitation(query.getQuery(), query.getCorpora(),
        query.getLeftContext(), query.getRightContext(), query.getSegmentation(),
        query.getBaseText(), query.getOffset(), query.getLimit(),
        query.getOrder(), query.getSelectedMatches());
    
      if(shorten)
      {
        shortURL = Helper.shortenURL(url);
      }
      else
      {
        shortURL = url.toASCIIString();
      }
    }
    
    TextArea txtCitation = new TextArea();

    txtCitation.setWidth("100%");
    txtCitation.setHeight("100%");
    txtCitation.addStyleName(ValoTheme.TEXTFIELD_LARGE);
    txtCitation.addStyleName("shared-text");
    txtCitation.setValue(shortURL);
    txtCitation.setWordwrap(true);
    txtCitation.setReadOnly(true);
    
    wLayout.addComponent(txtCitation);
    
    Button btClose = new Button("Close");
    btClose.addClickListener((Button.ClickListener) this);
    btClose.setSizeUndefined();
    
    wLayout.addComponent(btClose);
    
    wLayout.setExpandRatio(txtCitation, 1.0f);
    wLayout.setComponentAlignment(btClose, Alignment.BOTTOM_CENTER);
    
    setWidth("400px");
    setHeight("300px");
    
  }

  @Override
  public void buttonClick(ClickEvent event)
  {
    UI.getCurrent().removeWindow(this);
  }
}