New Widgets

projects/SotF/src/de/fhtrier/gdw2/sotf/Interfaces/IUpdateListener.java

@@ -0,0 +1,5 @@
+package de.fhtrier.gdw2.sotf.Interfaces;
+
+public interface IUpdateListener {
+	void onUpdate(Object value);
+}

projects/SotF/src/de/fhtrier/gdw2/sotf/menu/Label.java

@@ -0,0 +1,202 @@
+package de.fhtrier.gdw2.sotf.menu;
+
+import org.newdawn.slick.AngelCodeFont;
+import org.newdawn.slick.Color;
+import org.newdawn.slick.Font;
+import org.newdawn.slick.GameContainer;
+import org.newdawn.slick.Graphics;
+import org.newdawn.slick.Image;
+import org.newdawn.slick.Input;
+import org.newdawn.slick.SlickException;
+import org.newdawn.slick.geom.Rectangle;
+
+import de.fhtrier.gdw2.sotf.Interfaces.IActionListener;
+
+/**
+ * Text label a menu page
+ * 
+ * @author Lusito
+ * @todo file paths need to be adapted when resource loader is ready.
+ */
+public class Label extends Widget {
+	/** The font to write the message with */
+	private Font font;
+	/** The bounding rect */
+	public Rectangle rect = new Rectangle(0, 0, 0, 0);
+	/** Text to display */
+	public String text = "";
+	public Color color;
+	public Image image;
+	public Align align = Align.LEFT;
+
+	public enum Align {
+		LEFT,
+		RIGHT,
+		CENTER
+	}
+
+	private Label() {
+	}
+
+	public void init(GameContainer container) throws SlickException {
+		if(font == null)
+			font = new AngelCodeFont("res/fonts/verdana_46.fnt","res/fonts/verdana_46_0.tga");
+		if(color == null)
+			color = Color.white;
+	}
+
+	public void render(Graphics g) {
+		g.setFont(font);
+		float w = font.getWidth(text);
+		float h = font.getHeight(text);
+		if(color != null) {
+			g.setColor(color);
+			switch(align) {
+			case LEFT:
+				g.drawString(text, rect.getX(), rect.getY());
+				break;
+			case RIGHT: 
+				g.drawString(text, rect.getMaxX() - w, rect.getMaxY() - h);
+				break;
+			case CENTER: 
+				g.drawString(text, rect.getCenterX() - w/2, rect.getCenterY() - h/2);
+				break;
+			}
+		}
+		if(image != null) {
+			image.draw(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
+		}
+	}
+
+	@Override
+	public boolean contains(int x, int y) {
+		return rect.contains(x, y);
+	}
+
+	/**
+	 * Change the text to display
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Label text(String value) {
+		text = value;
+		return this;
+	}
+
+	/**
+	 * Change the position of this label
+	 * 
+	 * @param x the offset from left in pixels
+	 * @param y the offset from top in pixels
+	 * @return this
+	 */
+	public Label position(float x, float y) {
+		rect.setLocation(x, y);
+		return this;
+	}
+
+	/**
+	 * Change the size of this label
+	 * 
+	 * @param width in pixels
+	 * @param width in pixels
+	 * @return this
+	 */
+	public Label size(float width, float height) {
+		rect.setSize(width, height);
+		return this;
+	}
+
+	/**
+	 * Change the font of the text
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Label font(Font value) {
+		font = value;
+		return this;
+	}
+
+	/**
+	 * Change the align of the text
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Label align(Align value) {
+		align = value;
+		return this;
+	}
+
+	/**
+	 * Change the text color
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Label color(Color value) {
+		color = value;
+		return this;
+	}
+
+	/**
+	 * Change the image
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Label image(Image value) {
+		image = value;
+		return this;
+	}
+
+	/**
+	 * Clone this label
+	 * 
+	 * @return A new Label with the same values as this
+	 */
+	public Label clone() {
+		Label b = Label.create(text, rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
+
+		b.font = font;
+		b.color =  color;
+
+		return b;
+	}
+
+
+	/**
+	 * Create a new label
+	 * 
+	 * @param text the text to display
+	 * @param x offset from left in pixels
+	 * @param y offset from top in pixels
+	 * @param width in pixels
+	 * @param height in pixels
+	 * @return the new label
+	 */
+	public static Label create(String text, float x, float y, float width, float height) {
+		Label label = new Label();
+		label.text(text);
+		label.position(x,y);
+		label.size(width, height);
+		return label;
+	}
+
+	/**
+	 * Shows how to create and init a label
+	 */
+	private void demo() {
+		int x=0,y=0,w=0,h=0;
+		Label b = Label.create("Hello", x, y, w, h)
+			.font(font)
+			.color(Color.gray)
+			.image(null);
+		Label c = b.clone()
+			.text("World")
+			.position(x,y)
+			.size(w,h);
+	}
+}

projects/SotF/src/de/fhtrier/gdw2/sotf/menu/MenuPage.java

@@ -96,6 +96,12 @@ public void mouseMoved(int oldx, int oldy, int newx, int newy) {
 			w.mouseMoved(oldx, oldy, newx, newy);
 		}
 	}
+
+	public void mouseDragged(int oldx, int oldy, int newx, int newy) {
+		for(Widget w: widgets) {
+			w.mouseDragged(oldx, oldy, newx, newy);
+		}
+	}
 
 	public void mouseReleased(int button, int x, int y) {
 		for(Widget w: widgets) {

projects/SotF/src/de/fhtrier/gdw2/sotf/menu/Slider.java

@@ -0,0 +1,174 @@
+package de.fhtrier.gdw2.sotf.menu;
+
+import org.newdawn.slick.GameContainer;
+import org.newdawn.slick.Graphics;
+import org.newdawn.slick.Image;
+import org.newdawn.slick.SlickException;
+import org.newdawn.slick.geom.Rectangle;
+
+import de.fhtrier.gdw2.sotf.Interfaces.IUpdateListener;
+
+/**
+ * Text & image button for a menu page
+ * 
+ * @author Lusito
+ * @todo file paths need to be adapted when resource loader is ready.
+ */
+public class Slider extends Widget {
+	/** The bounding rect */
+	public Rectangle rect = new Rectangle(0, 0, 0, 0);
+	/** An image for the thumb */
+	public Image thumbImage;
+	/** An update listener */
+	public IUpdateListener listener;
+	/** The percent value position of the thumb (0.0f-1.0f) */
+	public float value = 0.0f;
+
+	public boolean pressed;
+
+	private Slider() {
+	}
+
+	public void init(GameContainer container) throws SlickException {
+	}
+
+	public void render(Graphics g) {
+		if(thumbImage != null) {
+			thumbImage.draw(rect.getX() + value*rect.getWidth() - thumbImage.getWidth()/2, rect.getY());
+		}
+		g.drawRect(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
+	}
+
+	@Override
+	public boolean contains(int x, int y) {
+		return rect.contains(x, y);
+	}
+
+	@Override
+	public void mouseMoved(int oldx, int oldy, int newx, int newy) {
+		if(pressed) {
+			onMove(newx);
+		}
+	}
+
+	@Override
+	public void mouseDragged(int oldx, int oldy, int newx, int newy) {
+		if(pressed) {
+			onMove(newx);
+		}
+	}
+
+	@Override
+	public void mouseReleased(int button, int x, int y) {
+		if(pressed) {
+			onMove(x);
+			pressed = false;
+		}
+	}
+
+	@Override
+	public void mousePressed(int button, int x, int y) {
+		if(contains(x,y)) {
+			onMove(x);
+			pressed = true;
+		}
+	}
+
+	private void onMove(int mouseX) {
+		// update value
+		value = Math.max(0.0f, Math.min(1.0f, (mouseX - rect.getX()) / (float)rect.getWidth()));
+		if(listener != null) {
+			listener.onUpdate(new Float(value));
+		}
+	}
+
+	/**
+	 * Change the value (0.0f-1.0f) of the slider
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Slider value(float value) {
+		this.value = value;
+		return this;
+	}
+
+	/**
+	 * Change the position of this button
+	 * 
+	 * @param x the offset from left in pixels
+	 * @param y the offset from top in pixels
+	 * @return this
+	 */
+	public Slider position(float x, float y) {
+		rect.setLocation(x, y);
+		return this;
+	}
+
+	/**
+	 * Change the size of this button
+	 * 
+	 * @param width in pixels
+	 * @param width in pixels
+	 * @return this
+	 */
+	public Slider size(float width, float height) {
+		rect.setSize(width, height);
+		return this;
+	}
+
+
+	/**
+	 * Change the thumb image
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Slider thumbImage(Image value) {
+		thumbImage = value;
+		return this;
+	}
+
+	/**
+	 * Change the update listener for when the slider changes
+	 * 
+	 * @param value the new value
+	 * @return this
+	 */
+	public Slider action(IUpdateListener value) {
+		listener = value;
+		return this;
+	}
+
+	/**
+	 * Clone this button
+	 * 
+	 * @return A new Slider with the same values as this
+	 */
+	public Slider clone() {
+		Slider b = Slider.create(value, rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight());
+
+		b.thumbImage = thumbImage;
+
+		return b;
+	}
+
+
+	/**
+	 * Create a new button
+	 * 
+	 * @param text the text to display
+	 * @param x offset from left in pixels
+	 * @param y offset from top in pixels
+	 * @param width in pixels
+	 * @param height in pixels
+	 * @return the new button
+	 */
+	public static Slider create(float value, float x, float y, float width, float height) {
+		Slider button = new Slider();
+		button.value(value);
+		button.position(x,y);
+		button.size(width, height);
+		return button;
+	}
+}