CVS: TapestryBook/examples/src/java/examples/todo1 ToDo.java,NONE,1.1 ToDoItem.java,NONE,1.1

Update of /cvsroot/tapestry/TapestryBook/examples/src/java/examples/todo1
In directory sc8-pr-cvs1:/tmp/cvs-serv6871/examples/src/java/examples/todo1

Added Files:
	ToDo.java ToDoItem.java 
Log Message:
Reorganize examples application to reflect standard organization

--- NEW FILE: ToDo.java ---
package examples.todo1;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.ListIterator;

import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.event.PageEvent;
import org.apache.tapestry.event.PageRenderListener;
import org.apache.tapestry.html.BasePage;

public abstract class ToDo extends BasePage implements PageRenderListener
{
    public abstract List getToDoList();
    public abstract void setToDoList(List toDoList);

    public abstract ToDoItem getMoveUpItem();

    public abstract ToDoItem getMoveDownItem();

    public void addTodoItem(IRequestCycle cycle)
    {
        getToDoList().add(createNewItem("New Item"));
    }

	protected ToDoItem createNewItem(String title)
	{
		return new ToDoItem(title);
	}

    // The Submit for this is after the main loop, so its safe to
    // actually edit the list.

    public void deleteCompleted(IRequestCycle cycle)
    {
        ListIterator i = getToDoList().listIterator();

        while (i.hasNext())
        {
            ToDoItem item = (ToDoItem) i.next();

            if (item.isCompleted())
                i.remove();
        }
    }

    public void formSubmit(IRequestCycle cycle)
    {
        List list = getToDoList();

        int count = list.size();
        ToDoItem moveUpItem = getMoveUpItem();
        ToDoItem moveDownItem = getMoveDownItem();

        for (int i = 0; i < count; i++)
        {
            ToDoItem item = (ToDoItem) list.get(i);

            if (item == moveUpItem)
            {
                if (i > 0)
                    Collections.swap(list, i, i - 1);

                break;
            }

            if (item == moveDownItem)
            {
                if (i + 1 < count)
                    Collections.swap(list, i, i + 1);

                break;
            }
        }

        // Always important to set peristent properties; otherwise changes
        // made in this request cycle will be lost.  The framework
        // makes a copy of the list.

        setToDoList(list);
    }

    public void pageBeginRender(PageEvent event)
    {
        List list = getToDoList();

        if (list == null)
        {
            list = new ArrayList();
            list.add(createNewItem("Finish reading Tapestry Book"));
            list.add(createNewItem("Download latest version of Tapestry"));

            setToDoList(list);
        }
    }

}

--- NEW FILE: ToDoItem.java ---
package examples.todo1;

import java.io.Serializable;

public class ToDoItem implements Serializable
{
    private boolean _completed;
    private String _title;

    public ToDoItem()
    {
    }

    public ToDoItem(String title)
    {
        _title = title;
    }

    public boolean isCompleted()
    {
        return _completed;
    }

    public String getTitle()
    {
        return _title;
    }

    public void setCompleted(boolean completed)
    {
        _completed = completed;
    }

    public void setTitle(String title)
    {
        _title = title;
    }

}



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