Add the beginning of a awesome dragable agenda!

src/gui/panels/AgendaItemShape.java

@@ -0,0 +1,29 @@
+package gui.panels;
+
+import java.awt.Color;
+import java.awt.Rectangle;
+
+public class AgendaItemShape extends Rectangle{
+	private int row;
+	private Color color;
+	public AgendaItemShape(int r, int h, Color color) {
+		super.setSize(0, h);
+		setRow(r);
+		setColor(color);
+	}
+	public int getRow() {
+		return row;
+	}
+	public void setRow(int row) {
+		this.row = row;
+	}
+	public Color getColor() {
+		return color;
+	}
+	public void setColor(Color color) {
+		this.color = color;
+	}
+	
+
+	
+}

src/gui/panels/AgendaPane.java

@@ -1,15 +1,126 @@
 package gui.panels;
 
+import java.awt.BorderLayout;
 import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionListener;
+import java.util.ArrayList;
 
 import javax.swing.JPanel;
-import javax.swing.JTable;
-import javax.swing.border.LineBorder;
 
 @SuppressWarnings("serial")
 public class AgendaPane extends JPanel {
+	ArrayList<AgendaItemShape> agendaItems;
+	private int clickedItem[];
+	private int xdifference, ydifference;
+	int vakjes = 5;
+	
 	public AgendaPane(){
-		this.setBorder(new LineBorder(new Color(0, 0, 0), 1, true));
-		this.add(new JTable());
+		agendaItems = new ArrayList<AgendaItemShape>();
+		agendaItems.add(new AgendaItemShape(0, 100, Color.BLUE));
+		agendaItems.add(new AgendaItemShape(2,100, Color.BLACK));
+		
+		this.setLayout(new BorderLayout());
+		clickedItem = new int[]{-1};
+		
+		this.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseReleased(MouseEvent e) {
+				clickedItem = new int[]{-1};			
+				setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
+			}
+			@Override
+			public void mousePressed(MouseEvent e) {
+				clickedItem = getClickedItem(e);
+				if(clickedItem[0] != -1){
+					xdifference = -1*((int)agendaItems.get(clickedItem[0]).getX() - e.getX());
+					ydifference = -1*((int)agendaItems.get(clickedItem[0]).getY() - e.getY());	
+				}				
+			}
+		});
+		this.addMouseMotionListener(new MouseAdapter() {	
+			@Override
+			public void mouseDragged(MouseEvent e) {
+				if(clickedItem[0] != -1){
+					Rectangle item = agendaItems.get(clickedItem[0]);
+					if(clickedItem[1] == 2){
+						item.setSize((int)item.getWidth(), (int)(-1*(item.getY()-e.getY())));
+					}else{
+						item.setLocation(e.getX()-xdifference, e.getY()-ydifference);
+					}
+					repaint();
+				}
+			}
+		});
 	}
+	
+	public int[] getClickedItem(MouseEvent e){
+		if(e.getButton() == 1){
+			for(int i = 0; i < agendaItems.size(); i++){
+				if(agendaItems.get(i).intersects(e.getX(), e.getY(), 1, 1)){
+					if(	agendaItems.get(i).getY()+agendaItems.get(i).getHeight()+10 > e.getY() &&
+						agendaItems.get(i).getY()+agendaItems.get(i).getHeight()-10 < e.getY()){
+						setCursor(new Cursor(Cursor.S_RESIZE_CURSOR));
+						return new int[]{i, 2}; //Clicked on the bottom border of the item
+					}
+					setCursor(new Cursor(Cursor.MOVE_CURSOR));
+					return new int[]{i, 0}; // Clicked inside the item
+				}
+			}
+		}
+		return new int[]{-1}; //Clicked outside all the agenda-items so return a -1
+	}
+	
+	public void paintComponent(Graphics g){
+		super.paintComponent(g);
+		Graphics2D g2 = (Graphics2D)g;		
+		int xspacing = getWidth()/vakjes;	
+		
+		for(int i = 0; i <= vakjes; i++){
+			g2.drawLine(i*xspacing, getHeight(), i*xspacing, 0); //draws the vertical separation lines
+		}
+		for(AgendaItemShape agendaItem: agendaItems){				
+			if(clickedItem[0] == -1){ //Window is resized, only resize the items
+				agendaItem.setSize(xspacing, (int) agendaItem.getHeight());
+				agendaItem.setLocation(agendaItem.getRow()*xspacing, (int) agendaItem.getY());
+			}else if(agendaItems.get(clickedItem[0]) == agendaItem){ // The element is moved
+				if(agendaItem.getX() / xspacing > vakjes-1){ // outside the field on the right
+					agendaItem.setLocation((int)xspacing*(vakjes-1), (int)agendaItem.getY());
+				}else if(agendaItem.getX() / xspacing < 0){ // outside the field on the left
+					agendaItem.setLocation((int)0, (int)agendaItem.getY());
+				}else{ //inside the field, stick it to a row
+					agendaItem.setRow((int) Math.round(agendaItem.getX() / xspacing));
+					agendaItem.setLocation((int) Math.round(agendaItem.getX() / xspacing)*xspacing, (int)agendaItem.getY());
+				}
+				
+				if(agendaItem.getHeight() < 30){ //check the height of the item
+					agendaItem.setSize((int) agendaItem.getWidth(), 30);
+				}
+				
+				for(AgendaItemShape agendaItem2: agendaItems){ //check if there are any collisions with other items
+					if(agendaItem2 != agendaItem){
+						if(agendaItem.intersects(agendaItem2)){	//intersection found
+							if( agendaItem.getHeight()+agendaItem.getY() > agendaItem2.getY() && agendaItem.getY() > agendaItem2.getY()){
+								agendaItem.setLocation((int)agendaItem.getX(), (int)(agendaItem2.getY()+agendaItem2.getHeight()));
+							}else if(agendaItem.getY() < agendaItem2.getY()){
+								if(clickedItem[1] == 0){
+									agendaItem.setLocation((int)agendaItem.getX(), (int)(agendaItem2.getY()-agendaItem.getHeight()));
+								}else if(clickedItem[1] == 2){
+									agendaItem.setSize((int)agendaItem.getWidth(), (int)(agendaItem2.getY()-agendaItem.getY()));
+								}
+							}
+						}
+					}
+				}	
+			}
+			//Fills the item with a color 
+			g2.setColor(agendaItem.getColor());
+			g2.fill(agendaItem);
+		}
+	}	
 }