carlos.garcia
/
praktikum-holons


			
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							package ui.view;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.stream.Collectors;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFormattedTextField;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.border.Border;

import classes.AbstractCanvasObject;
import classes.HolonElement;
import classes.HolonElement.Priority;
import classes.HolonObject;
import ui.controller.Control;
import ui.view.util.TrippleCheckBox;
import utility.ImageImport;
import utility.events.SimpleDocumentListener;


public class Inspector extends JPanel {
	private List<HolonElement> elements = new ArrayList<>();
	private Control control;
	private final int columnHeight = 19;
	private final Inspector self;
	private final ImageIcon deleteElementIcon = new ImageIcon(ImageImport.loadImage("Images/minus.png", 13, 13));
	private final ImageIcon addElementIcon = new ImageIcon(ImageImport.loadImage("Images/plus.png", 13, 13));
	private final Color selectedColor = new Color(126, 186, 255);
	
	Inspector(Control control) {
		control.OnSelectionChanged.addListener(() -> update_ui());
		this.control = control;
		UIManager.put("Spinner.editorAlignment", JTextField.LEFT);
		initUI();
		this.add(header());
		self = this;
	}

	public void update_ui() {
		System.out.println("update_ui");
		elements = extractElements(control.getModel().getSelectedObjects());
		// TODO Pooling
		this.removeAll();
		this.add(header());
		for (HolonElement element : elements) {
			this.add(new ElementEdit(element));
		}
		if(!elements.isEmpty()) {
			this.add(generateAddElementButton(elements.stream().findFirst().get()));
		}

		
		revalidate();
		repaint();
	}

	private void initUI() {
		this.setBackground(Color.white);
		this.setLayout(new BoxLayout(this, BoxLayout.PAGE_AXIS));
		
	}

	private JPanel header() {
		JPanel header = new JPanel(new GridLayout(1,7));
		header.setMinimumSize(new Dimension(Integer.MIN_VALUE, columnHeight));
		header.setMaximumSize(new Dimension(Integer.MAX_VALUE, columnHeight));
		JPanel selectionPanel = new JPanel();
		selectionPanel.setLayout(new BoxLayout(selectionPanel, BoxLayout.LINE_AXIS));
		//Delete Button
		JButton deleteButton = new JButton();
		deleteButton.setIcon(deleteElementIcon);
		deleteButton.setBorder(generateButtonHeaderBorder());
		deleteButton.setContentAreaFilled(false);
		deleteButton.setFocusPainted(false);
		deleteButton.setToolTipText(
				"<html><b>Remove this element</b><br>Removes this HolonElement from the HolonObject.</html>");
		deleteButton.addActionListener(clicked ->{
			System.out.println("hello");
		});
		
		JButton addButton = new JButton();
		addButton.setIcon(addElementIcon);
		addButton.setBorder(generateButtonHeaderBorder());
		addButton.setContentAreaFilled(false);
		addButton.setFocusPainted(false);
		TrippleCheckBox selectAllCheckBox = new TrippleCheckBox();
		selectAllCheckBox.setBorder(generateButtonHeaderBorder());
		selectionPanel.add(selectAllCheckBox);
		selectionPanel.add(deleteButton, BorderLayout.LINE_END);
		selectionPanel.add(addButton);
		header.add(selectionPanel);
		//Populate
		String[] headerCoulumnTitles = {"Object", "Nr.", "Device", "Energy", "Priority", "Activ"};
		for(String coulumnTitle : headerCoulumnTitles) {
			header.add(generateHeaderColumnTitle(coulumnTitle));
		}
		return header;
	}

	private JLabel generateHeaderColumnTitle(String string) {
		JLabel columnTitleLabel = new JLabel(string);
		columnTitleLabel.setToolTipText(string);
		columnTitleLabel.setBorder(generateHeaderBorder());
		return columnTitleLabel;
	}
	
	private JPanel generateAddElementButton(HolonElement element) {
		JPanel panel = new JPanel(new BorderLayout());
		panel.setBorder(generateTableBorder());
		panel.setBackground(Color.white);
		panel.setMinimumSize(new Dimension(Integer.MIN_VALUE, columnHeight));
		panel.setMaximumSize(new Dimension(Integer.MAX_VALUE, columnHeight));
		JButton button = new JButton();
		button.setIcon(addElementIcon);
		button.setBorder(null);
		button.setBackground(Color.white);
		button.addActionListener(clicked -> {
			element.parentObject.addElement(new HolonElement(element));
			update_ui();
			
		});
		panel.add(button, BorderLayout.CENTER);
		return panel;
	}
	

	private List<HolonElement> extractElements(Collection<AbstractCanvasObject> toInspect) {
		// Extract elements from a list of AbstractCanvasObjects
		return toInspect.stream().filter(obj -> obj instanceof HolonObject).flatMap(obj -> {
			HolonObject ho = (HolonObject) obj;
			return ho.getElements().stream();
		}).collect(Collectors.toList());
	}

	private Border generateTableBorder() {
		return BorderFactory.createMatteBorder(1, 1, 0, 0, Color.LIGHT_GRAY);
	}

	private Border generateHeaderBorder() {
		return BorderFactory.createEmptyBorder(1, 2, 0, 0);
	}
	private Border generateButtonHeaderBorder() {
		return BorderFactory.createEmptyBorder(2, 2, 0, 0);
	}

	private class ElementEdit extends JPanel {
		HolonElement element;

		ElementEdit(HolonElement element) {
			this.element = element;
			this.initUI();
			this.createEditFields();
		}
		
		private void initUI() {
			this.setBackground(Color.white);
			this.setLayout(new GridLayout(1, 7));
			this.setMinimumSize(new Dimension(Integer.MIN_VALUE, columnHeight));
			this.setMaximumSize(new Dimension(Integer.MAX_VALUE, columnHeight));
		}
		private void createEditFields(){
			//Selected
			JPanel selectedColumnPanel = new JPanel(new BorderLayout());
			selectedColumnPanel.setBorder(generateTableBorder());
			selectedColumnPanel.setOpaque(false);
			this.add(selectedColumnPanel);
			JCheckBox selected = new JCheckBox();
			selected.setBorder(generateTableBorder());
			selected.setOpaque(false);
			selected.addActionListener(clicked -> {
				this.setBackground(selected.isSelected() ? selectedColor : Color.white);
			});
			selectedColumnPanel.add(selected, BorderLayout.CENTER);
			
			//ObjectName and ID
			JPanel objectNamePanel = new JPanel(new BorderLayout());
			JTextField objectNameTextField = new JTextField(this.element.parentObject.getName());
			objectNameTextField.setBorder(generateTableBorder());
			objectNameTextField.getDocument().addDocumentListener((SimpleDocumentListener) e -> {
				this.element.parentObject.setName(objectNameTextField.getText());
				
			});
			objectNameTextField.setOpaque(false);
			objectNameTextField.setBorder(BorderFactory.createEmptyBorder());
			objectNameTextField.addActionListener(ae -> update_ui());
			
			JLabel idLabel = new JLabel("[" + this.element.parentObject.getId() + "]");
			objectNamePanel.add(objectNameTextField, BorderLayout.CENTER);
			objectNamePanel.setBorder(generateTableBorder());
			objectNamePanel.add(idLabel, BorderLayout.LINE_END);
			objectNamePanel.setOpaque(false);
			idLabel.setForeground(Color.gray);
			idLabel.setToolTipText("HolonObject's ID");
			this.add(objectNamePanel);

			//Id
			JLabel idTextField = new JLabel(Integer.toString(this.element.getId()));
			idTextField.setBorder(generateTableBorder());
			this.add(idTextField);
			
			//Name
			JTextField elementNameTextField = new JTextField(this.element.getEleName());
			elementNameTextField.setBorder(generateTableBorder());
			elementNameTextField.getDocument().addDocumentListener((SimpleDocumentListener) e -> {
				this.element.setEleName(elementNameTextField.getText());
			});
			elementNameTextField.setOpaque(false);
			this.add(elementNameTextField);
			// Energy
			JFormattedTextField energyTextField = new JFormattedTextField();
			energyTextField.setValue(this.element.getEnergy());
			energyTextField.setOpaque(false);
			energyTextField.addPropertyChangeListener(actionEvent -> {
				float energy = (float)energyTextField.getValue();
				if(this.element.getEnergy() != energy) {
					this.element.setEnergyPerElement(energy);
					control.calculateStateAndVisualForCurrentTimeStep();
				}
			});
			energyTextField.setBorder(generateTableBorder());
			this.add(energyTextField);
			
			//Priority
			JComboBox<Priority> comboBox = new JComboBox<Priority>(Priority.values());
			comboBox.setSelectedItem(this.element.getPriority());
			comboBox.setOpaque(false);
			comboBox.setBorder(generateTableBorder());
			comboBox.setEditable(false);
			comboBox.addActionListener(ae -> {
				this.element.setPriority((Priority)comboBox.getSelectedItem());
			});
			this.add(comboBox);

			//Active Delete Column
			
			JPanel checkBoxWrapperPanel = new JPanel(new BorderLayout());
			checkBoxWrapperPanel.setBorder(generateTableBorder());
			checkBoxWrapperPanel.setOpaque(false);
			this.add(checkBoxWrapperPanel);

			// Active
			JCheckBox checkbox = new JCheckBox();
			checkbox.setSelected(this.element.isActive());
			checkbox.setOpaque(false);
			checkbox.addActionListener(actionEvent -> {
				this.element.setActive(checkbox.isSelected());
				control.calculateStateAndVisualForCurrentTimeStep();
			});
			checkBoxWrapperPanel.add(checkbox, BorderLayout.LINE_START);
			
			
		}

	}
}