Add Data Display Paint Component

Author: UltimatePea

src/paintcomponents/DataDisplayPaintComponent.java

@@ -0,0 +1,112 @@
+package paintcomponents;
+
+import java.awt.Graphics;
+import java.util.NoSuchElementException;
+
+import painttools.tools.SelectTool;
+
+/**
+ * The data display paint component displays the data with a asoociated DataToPoint
+ * @author chenzb
+ *
+ */
+//TODO THIS class is a copy of DataInputTextfieldPaintComponent class, please consider abstraction
+public class DataDisplayPaintComponent extends DataTextPaintComponent {
+
+	private static final int HORIZONTAL_OFFSET = 10;
+	private DataToPoint<String> toPoint;
+
+	public DataDisplayPaintComponent(String displayingText, int x, int y) {
+		super(displayingText, x, y);
+		this.toPoint = new DataToPoint<>(x, y);
+	}
+
+	@Override
+	protected void paintSelected(Graphics g) {
+		super.paintSelected(g);
+		updateFromPointPosition();
+		toPoint.paint(g);
+	}
+
+	@Override
+	protected void paintNotSelected(Graphics g) {
+		super.paintNotSelected(g);
+		updateFromPointPosition();
+		toPoint.paint(g);
+	}
+
+	/**
+	 * This method will use the protected bounds, which will be updated in
+	 * super.paint[Not]Selected. Make sure you've already invoked super's
+	 * paintNotSelectedMethod before invoking this one.
+	 */
+	private void updateFromPointPosition() {
+		this.toPoint.setX(
+				(int) (getX() - HORIZONTAL_OFFSET));
+		this.toPoint.setY((int) (getY() + this.bounds.getHeight() / 2));
+	}
+
+	@Override
+	public void translate(int i, int j) {
+		super.translate(i, j);
+		this.toPoint.translate(i, j);
+	}
+
+	@Override
+	public boolean contains(int x, int y) {
+
+		return toPoint.contains(x, y) || super.contains(x, y);
+	}
+
+	public void inputData(String s) {
+		this.setDisplayingText(s);
+	}
+
+
+	@Override
+	public void select(SelectTool selectTool) {
+		int x = selectTool.getLastMouseEvent().getX();
+		int y = selectTool.getLastMouseEvent().getY();
+		if (toPoint.contains(x, y)) {
+			toPoint.select(selectTool);
+		} else {
+			super.select(selectTool);
+		}
+
+	}
+
+	@Override
+	public void deselect(SelectTool selectTool) {
+		int x = selectTool.getLastMouseEvent().getX();
+		int y = selectTool.getLastMouseEvent().getY();
+		if (toPoint.contains(x, y)) {
+			toPoint.deselect(selectTool);
+		} else {
+			super.deselect(selectTool);
+		}
+	}
+	
+	@Override
+	public boolean isSelected() {
+		//if the from point is selected, this components is considered selected
+		if(this.toPoint.isSelected()) return true;
+		return super.isSelected();
+	}
+
+	/**
+	 * Update the current display.
+	 * 
+	 * This class will try to fetch the data from the toPointClass
+	 * @throws DataFromPointProviderCannotProvideDataException 
+	 * @throws DataFromPointNoDataProviderException 
+	 * @throws NoConnectingLineSegmentException 
+	 * @throws NoSuchElementException 
+	 * @see DataToPoint.fetchData for exception details
+	 */
+	public void displayText() throws NoSuchElementException, NoConnectingLineSegmentException, DataFromPointNoDataProviderException, DataFromPointProviderCannotProvideDataException{
+		this.setDisplayingText(toPoint.fetchData());
+	}
+	
+
+
+}