SmartNotes/SmartNotes/src/com/madeorsk/smartnotes/ListBox.java

package com.madeorsk.smartnotes;

import java.util.HashMap;
import java.util.Map;

import javafx.animation.FadeTransition;
import javafx.beans.property.BooleanProperty;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableBooleanValue;
import javafx.beans.value.ObservableValue;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Cursor;
import javafx.scene.Node;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextField;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.util.Duration;

public class ListBox extends ScrollPane
{
	private VBox main;
	private VBox listContainer;
	
	private Runnable listChangeListener;
	
	public ListBox()
	{
		this.setFitToHeight(true);
		this.setFitToWidth(true);
		
		this.main = new VBox();
		this.main.setPadding(new Insets(0, 15, 0, 15));
		this.listContainer = new VBox();
		this.main.getChildren().add(this.listContainer);
		
		final HBox addListItemBox = new HBox();
		{
			addListItemBox.getChildren().add(new ImageView(new Image("/com/madeorsk/smartnotes/res/AddCheckbox.png")));
			Label addListItemLabel = new Label("Add a new item");
			addListItemLabel.setPadding(new Insets(0, 0, 0, 13));
			addListItemLabel.setId("text");
			addListItemBox.getChildren().add(addListItemLabel);
			addListItemBox.setAlignment(Pos.CENTER_LEFT);
			addListItemBox.setCursor(Cursor.HAND);
			// Fade and opacity
			addListItemBox.setOpacity(0.4);
			addListItemBox.setOnMouseEntered(new EventHandler<MouseEvent>()
			{
				@Override
				public void handle(MouseEvent e)
				{
					FadeTransition transition = new FadeTransition(Duration.millis(200), addListItemBox);
					transition.setFromValue(0.4);
					transition.setToValue(1.0);
					transition.play();
				}
			});
			addListItemBox.setOnMouseExited(new EventHandler<MouseEvent>()
			{
				@Override
				public void handle(MouseEvent e)
				{
					FadeTransition transition = new FadeTransition(Duration.millis(200), addListItemBox);
					transition.setFromValue(1.0);
					transition.setToValue(0.4);
					transition.play();
				}
			});
			addListItemBox.setOnMouseClicked(new EventHandler<MouseEvent>()
			{
				@Override
				public void handle(MouseEvent e)
				{
					ListBox.this.listContainer.getChildren().add(new ListBoxItem(""));
				}
			});
		}
		this.main.getChildren().add(addListItemBox);
		
		this.setContent(this.main);
	}
	
	public void updateList(Map<String, Boolean> content)
	{
		this.listContainer.getChildren().clear();
		for(String item : content.keySet())
			this.listContainer.getChildren().add(new ListBoxItem(item).setChecked(content.get(item).booleanValue()));
	}
	
	public void setListChangeListener(Runnable listener)
	{
		this.listChangeListener = listener;
	}
	
	public Map<String, Boolean> getList()
	{
		Map<String, Boolean> list = new HashMap<String, Boolean>();
		for(Node child : this.listContainer.getChildren())
		{
			ListBoxItem item = (ListBoxItem) child;
			if (item.getText() != null && !item.getText().isEmpty())
				list.put(item.getText(), item.isChecked());
		}
		return list;
	}
	
	private class ListBoxItem extends HBox
	{
		private ListCheckbox checkbox;
		private TextField field;
		
		public ListBoxItem(String text)
		{
			ChangeListener<Object> change = new ChangeListener<Object>()
			{
				@Override
				public void changed(ObservableValue<? extends Object> ov, Object oldValue, Object newValue)
				{
					if (ListBox.this.listChangeListener != null)
						ListBox.this.listChangeListener.run();
				}
			};
			this.checkbox = new ListCheckbox();
			this.checkbox.checkedProperty().addListener(change);
			this.getChildren().add(this.checkbox);
			this.field = new TextField(text);
			this.field.setId("text");
			this.field.prefWidthProperty().bind(ListBox.this.listContainer.widthProperty().subtract(this.checkbox.widthProperty()));
			this.field.textProperty().addListener(change);
			this.getChildren().add(this.field);
		}
		
		public String getText()
		{
			return this.field.getText();
		}
		
		public ListBoxItem setChecked(boolean checked)
		{
			this.checkbox.setChecked(checked);
			return this;
		}
		public boolean isChecked()
		{
			return this.checkbox.isChecked();
		}
		
		private class ListCheckbox extends VBox
		{
			private BooleanProperty checked = new SimpleBooleanProperty();
			
			public ListCheckbox()
			{
				this.setId("imageButton");
				this.setAlignment(Pos.CENTER);
				this.setCursor(Cursor.HAND);
				this.getChildren().add(new ImageView(new Image("/com/madeorsk/smartnotes/res/Checkbox-unchecked.png")));
				
				/*this.setOpacity(0.4);
				this.setOnMouseEntered(new EventHandler<MouseEvent>()
				{
					@Override
					public void handle(MouseEvent e)
					{
						if (!ListCheckbox.this.isChecked())
						{
							FadeTransition transition = new FadeTransition(Duration.millis(200), ListCheckbox.this);
							transition.setFromValue(0.4);
							transition.setToValue(1.0);
							transition.play();
						}
					}
				});
				this.setOnMouseExited(new EventHandler<MouseEvent>()
				{
					@Override
					public void handle(MouseEvent e)
					{
						if (!ListCheckbox.this.isChecked())
						{
							FadeTransition transition = new FadeTransition(Duration.millis(200), ListCheckbox.this);
							transition.setFromValue(1.0);
							transition.setToValue(0.4);
							transition.play();
						}
					}
				});*/
				
				this.setOnMouseClicked(new EventHandler<MouseEvent>()
				{
					@Override
					public void handle(MouseEvent e)
					{
						if (ListCheckbox.this.isChecked())
							ListCheckbox.this.setChecked(false);
						else
							ListCheckbox.this.setChecked(true);
					}
				});
			}
			
			public void setChecked(boolean checked)
			{
				this.checked.set(checked);
				ListCheckbox.this.getChildren().clear();
				if (checked)
					ListCheckbox.this.getChildren().add(new ImageView(new Image("/com/madeorsk/smartnotes/res/Checkbox-checked.png")));
				else
					ListCheckbox.this.getChildren().add(new ImageView(new Image("/com/madeorsk/smartnotes/res/Checkbox-unchecked.png")));
			}
			public ObservableBooleanValue checkedProperty()
			{
				return this.checked;
			}
			public boolean isChecked()
			{
				return this.checked.get();
			}
		}
	}
}