Revision 19361 trunk/extensions/extRasterTools-SE/src/org/gvsig/raster/beans/canvas/GCanvas.java
| GCanvas.java | ||
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import java.awt.Color; |
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import java.awt.Cursor; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.RenderingHints; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.MouseMotionListener; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import javax.swing.JPanel; |
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/** |
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private int y = -1; |
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private int w = -1; |
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private int h = -1; |
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private ArrayList actionCommandListeners = new ArrayList(); |
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/** |
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* Contructor.Inicializa el objeto asignando color de fondo. Considera que el objeto |
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} |
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/** |
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* A?adir un listener a la lista de eventos |
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* @param listener |
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*/ |
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public void addValueChangedListener(IGCanvasListener listener) {
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if (!actionCommandListeners.contains(listener)) |
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actionCommandListeners.add(listener); |
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} |
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/** |
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* Borrar un listener de la lista de eventos |
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* @param listener |
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*/ |
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public void removeValueChangedListener(IGCanvasListener listener) {
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actionCommandListeners.remove(listener); |
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} |
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/** |
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* Invocar a los eventos asociados al componente |
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*/ |
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public void callDataChanged(String key, Object value) {
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Iterator iterator = actionCommandListeners.iterator(); |
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while (iterator.hasNext()) {
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IGCanvasListener listener = (IGCanvasListener) iterator.next(); |
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listener.actionDataChanged(new GCanvasEvent(this, key, value)); |
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} |
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} |
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/** |
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* Invocar a los eventos asociados al componente |
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*/ |
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public void callDataDragged(String key, Object value) {
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Iterator iterator = actionCommandListeners.iterator(); |
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while (iterator.hasNext()) {
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IGCanvasListener listener = (IGCanvasListener) iterator.next(); |
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listener.actionDataDragged(new GCanvasEvent(this, key, value)); |
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} |
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} |
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/** |
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* Asigna un elemento dibujable a la lista |
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* @param element |
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*/ |
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* Inicializa el fondo y dibuja el gr?fico sobre el canvas. |
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*/ |
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public void paint(Graphics g) {
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Graphics2D g2 = (Graphics2D) g; |
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RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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hints.add(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY)); |
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g2.setRenderingHints(hints); |
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g.setColor(backgroundColor); |
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g.fillRect(getVisibleRect().x, getVisibleRect().y, getVisibleRect().width, getVisibleRect().height); |
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for (int i = 0; i < drawableElements.size(); i++) |
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