package client.inputforms;

import java.awt.event.*;
import java.util.*;

import javax.swing.*;

import client.NetCalendarClient;
import client.ServerRequester;
import client.helper.DateSpinner;
import client.helper.GUIHelper;


import shared.*;
import shared.remotecall.*;

/**
 * This class contains all the GUI components of the edit event dialog.
 * Its used for editing existing events of the calendar database.
 * @author buetow
 *
 */
public class RenameCategory extends InputForm {
	private final static long serialVersionUID = 1L;
	
	// Static elements which are the same on all AdvancedSearching objects!
    private final static String[] labels =	{ "Category name: " };
    private final static int iNumPairs = labels.length;

    private CalendarEvent calendarEvent;
    
    /**
     * Create the input form window and show it.
     * @param netCalendarClient Specifies the current calendar client session window. 
     * @param originalCalendarEvent Specifies the calendar event to modify.
     */
    public RenameCategory(NetCalendarClient netCalendarClient, CalendarEvent calendarEvent) {
        	super("Rename whole category", netCalendarClient);
        	this.calendarEvent = calendarEvent;
        	initComponents();
    		setFieldValues();
        	pack();
    		setVisible(true);
    }

	/**
	 * Initializes all the GUI components.
	 */
	protected void initComponents() {
		super.initComponents();

		JPanel jPanel = new JPanel(new SpringLayout());
        
		ActionListener actionListenerTextFields = new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				submit();
			} 
		};
		
        vecFields = new Vector();
        
        for (int i = 0; i < iNumPairs; ++i) {
            JLabel jLable = new JLabel(labels[i], JLabel.TRAILING);
            jPanel.add(jLable);
            JComponent jComponent = null;
       		JTextField textField = new JTextField(InputForm.TEXTFIELD_LENGTH);
       		textField.addActionListener(actionListenerTextFields);
       		jComponent = textField;
  			jLable.setLabelFor(jComponent);
   			jPanel.add(jComponent);
            vecFields.add(jComponent);
        }

        //Lay out the panel.
        GUIHelper.makeCompactGrid(jPanel, 
        		iNumPairs, 2, 	// iRows, iCols
        		6, 6,        	// iInitX, iInitY
        		6, 6);       	// iXPad, iYPad

		ActionListener actionListenerButtons = new ActionListener() {
			public void actionPerformed(ActionEvent event) {
				if (event.getActionCommand().equals(BUTTON_CLEAR)) {
			        for (int i = 1; i < iNumPairs; ++i) 
			        		((JTextField) vecFields.get(i)).setText("");
				}
			} 
		};
		
		jButtonClear.addActionListener(actionListenerButtons);
        jPanelButtons.remove(jButtonClear);
        
        JSplitPane jSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
        jSplitPane.setTopComponent(jPanel);
        jSplitPane.setBottomComponent(jPanelButtons);
        jSplitPane.setDividerSize(0);
        
        setContentPane(jSplitPane);
	}
	
	/**
	 * This method sets the fields of the edit frame according to the originalCalendarEvent object.
	 * The date is not set by this method. Its done by the initComponents method.
	 */
	private void setFieldValues() {
		((JTextField) vecFields.get(0)).setText(calendarEvent.getCategoryName());
	}
	
	/**
	 * This method is invoked if the enter key is pressed or if the submit button
	 * has been pressed. It starts a client request relating to the user's input of
	 * the text fields.
	 */
	protected void submit() {
		String sNewCategoryName = ((JTextField) vecFields.get(0)).getText();

		ClientRequest clientRequest = new ClientRequest(ClientRequest.RENAME_CATEGORY);
		clientRequest.setEvent(calendarEvent);
		clientRequest.setString(sNewCategoryName);
		ServerRequester.sendClientRequest(clientRequest);
		netCalendarClient.updateLast();
		calendarEvent.setCategoryName(sNewCategoryName);
	}
}