Revision 19319 trunk/extensions/extRasterTools-SE/src/org/gvsig/raster/beans/canvas/layers/MinMaxLines.java
| MinMaxLines.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.Point; |
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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.awt.geom.Point2D; |
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import org.gvsig.raster.beans.canvas.DrawableElement; |
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import org.gvsig.raster.beans.canvas.GCanvas; |
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/** |
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* Representa dos l?neas rectas que se?alizan el m?ximo y el m?nimo. |
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* |
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* 14-oct-2007 |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class MinMaxLines extends DrawableElement implements MouseListener, MouseMotionListener {
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public class MinMaxLines extends DrawableElement {
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private int smallLine = 5; |
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private Point2D minP1 = null; |
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private Point2D minP2 = null; |
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private Point2D maxP1 = null; |
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private Point2D maxP2 = null; |
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private int smallLine = 5; |
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private int minDistance = 2; |
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private int maxDistance = 2; |
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/** |
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* Representa el borde de separacion para los limites |
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*/ |
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private int border = 2; |
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private double minPos = 0.0D; |
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private double maxPos = 1.0D; |
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private boolean minSelected = false; |
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private boolean maxSelected = false; |
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/** |
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} |
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/* |
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.canvas.DrawableElement#firstDraw()
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* (non-Javadoc) |
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* @see org.gvsig.raster.beans.canvas.DrawableElement#firstDrawActions()
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*/ |
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public void firstDrawActions() {
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//El primer dibujado asigna valores a los puntos inicial y final. |
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minP1 = new Point(canvas.getCanvasMinX(), canvas.getCanvasMinY()); |
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minP2 = new Point(canvas.getCanvasMinX(), canvas.getCanvasMaxY()); |
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maxP1 = new Point(canvas.getCanvasMaxX(), canvas.getCanvasMinY()); |
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maxP2 = new Point(canvas.getCanvasMaxX(), canvas.getCanvasMaxY()); |
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} |
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private int valueToPixel(double value) {
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return (int) Math.round(canvas.getCanvasMinX() + border + ((canvas.getCanvasMaxX() - canvas.getCanvasMinX() - (border * 2)) * value)); |
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} |
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private double pixelToValue(int pixel) {
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return ((double) (pixel - canvas.getCanvasMinX() - border) / (double) (canvas.getCanvasMaxX() - canvas.getCanvasMinX() - (border * 2))); |
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} |
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/** |
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* Dibujado de las l?neas y cuadros sobre el canvas |
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*/ |
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public void paint(Graphics g) {
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g.setColor(color); |
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int initY = (int)minP1.getY();
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while((initY + smallLine) < minP2.getY()) {
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int xDist = (int)minP1.getX() + minDistance;
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int initY = (int) canvas.getCanvasMinY();
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while((initY + smallLine) < canvas.getCanvasMaxY()) {
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int xDist = valueToPixel(minPos);
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g.drawLine(xDist, initY, xDist, initY + smallLine); |
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initY += (smallLine * 2); |
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} |
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initY = (int)maxP1.getY();
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while((initY + smallLine) < maxP2.getY()) {
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int xDist = (int)maxP1.getX() - maxDistance;
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initY = (int) canvas.getCanvasMinY();
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while((initY + smallLine) < canvas.getCanvasMaxY()) {
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int xDist = valueToPixel(maxPos);
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g.drawLine(xDist, initY, xDist, initY + smallLine); |
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initY += (smallLine * 2); |
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} |
| ... | ... | |
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*/ |
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public void setCanvas(GCanvas canvas) {
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super.setCanvas(canvas); |
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canvas.addMouseListener(this); |
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canvas.addMouseMotionListener(this); |
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} |
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/** |
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* Selecciona el eje m?nimo o m?ximo si es rat?n est? sobre ?l. |
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*/ |
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public void mouseClicked(MouseEvent e) {
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} |
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/** |
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* Se captura el punto a arrastrar |
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*/ |
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public void mousePressed(MouseEvent e) {
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if(e.getY() > canvas.getCanvasMinY() && e.getY() < canvas.getCanvasMaxY()) {
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if(e.getX() >= (canvas.getCanvasMinX() + minDistance) && e.getX() <= (canvas.getCanvasMinX() + minDistance + 8) )
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public boolean mousePressed(MouseEvent e) {
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if (e.getY() > canvas.getCanvasMinY() && e.getY() < canvas.getCanvasMaxY()) {
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if (e.getX() >= (valueToPixel(minPos) - 3) && e.getX() <= (valueToPixel(minPos) + 3)) {
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minSelected = true; |
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if(e.getX() >= (canvas.getCanvasMaxX() - maxDistance) && e.getX() <= (canvas.getCanvasMaxX() - maxDistance + 8) ) |
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return false; |
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} |
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if (e.getX() >= (valueToPixel(maxPos) - 3) && e.getX() <= (valueToPixel(maxPos) + 3)) {
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maxSelected = true; |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* Inicializamos el punto arrastrado a un valor fuera del array |
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*/ |
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public void mouseReleased(MouseEvent e) {
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public boolean mouseReleased(MouseEvent e) {
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minSelected = false; |
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maxSelected = false; |
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if(actionsManager != null) |
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actionsManager.end(new double[]{getMinDistance(), getMaxDistance()});
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if (actionsManager != null) |
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actionsManager.end(new double[] { getMinDistance(), getMaxDistance() });
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return true; |
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} |
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/** |
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* Cuando se ha pinchado un punto y se arrastra se define aqu? su comportamiento. |
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*/ |
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public void mouseDragged(MouseEvent e) {
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if(minSelected) |
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minDistance = e.getX() - 4; |
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if(maxSelected) |
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maxDistance = canvas.getCanvasMaxX() - e.getX(); |
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canvas.repaint(); |
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public boolean mouseDragged(MouseEvent e) {
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if (minSelected) {
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minPos = pixelToValue(e.getX()); |
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if (minPos < 0) |
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minPos = 0; |
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if (minPos > 1.0) |
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minPos = 1.0; |
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if (minPos > maxPos) |
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maxPos = minPos; |
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canvas.repaint(); |
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return false; |
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} |
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if (maxSelected) {
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maxPos = pixelToValue(e.getX()); |
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if (maxPos < 0) |
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maxPos = 0; |
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if (maxPos > 1.0) |
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maxPos = 1.0; |
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if (maxPos < minPos) |
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minPos = maxPos; |
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canvas.repaint(); |
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return false; |
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} |
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return true; |
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} |
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public void mouseMoved(MouseEvent e) {
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if(e.getY() > canvas.getCanvasMinY() && e.getY() < canvas.getCanvasMaxY()) {
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if( e.getX() >= (canvas.getCanvasMinX() + minDistance) && e.getX() <= (canvas.getCanvasMinX() + minDistance + 3) || |
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e.getX() >= (canvas.getCanvasMaxX() - maxDistance) && e.getX() <= (canvas.getCanvasMaxX() - maxDistance + 3)) |
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canvas.setCursor(new Cursor(Cursor.HAND_CURSOR)); |
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else |
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canvas.setCursor(new Cursor(GCanvas.DEFAULT_CURSOR)); |
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/* |
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* (non-Javadoc) |
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* @see org.gvsig.raster.beans.canvas.DrawableElement#mouseMoved(java.awt.event.MouseEvent) |
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*/ |
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public boolean mouseMoved(MouseEvent e) {
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if (e.getY() > canvas.getCanvasMinY() && e.getY() < canvas.getCanvasMaxY()) {
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if (e.getX() >= (valueToPixel(minPos) - 3) && |
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e.getX() <= (valueToPixel(minPos) + 3)) {
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canvas.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR)); |
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return false; |
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} |
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if (e.getX() >= (valueToPixel(maxPos) - 3) && |
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e.getX() <= (valueToPixel(maxPos) + 3)) {
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canvas.setCursor(new Cursor(Cursor.W_RESIZE_CURSOR)); |
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return false; |
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} |
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} |
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return true; |
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} |
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public void mouseEntered(MouseEvent e) {
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} |
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public void mouseExited(MouseEvent e) {
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} |
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/** |
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* Obtiene la distancia de la l?nea del m?nimo al inicio del histograma. La |
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* distancia la devuelve en tanto por cien del tama?o del gr?fico |
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* l?nea del m?nimo. |
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*/ |
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public double getMinDistance() {
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return ((canvas.getCanvasMinX() + minDistance) * 100 ) / canvas.getCanvasWidth(); |
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return 0; |
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// return ((canvas.getCanvasMinX() + minDistance) * 100 ) / canvas.getCanvasWidth(); |
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} |
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/** |
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* l?nea del m?ximo. |
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*/ |
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public double getMaxDistance() {
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return ((canvas.getCanvasMaxX() - maxDistance) * 100 ) / canvas.getCanvasWidth(); |
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return 0; |
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// return ((canvas.getCanvasMaxX() - maxDistance) * 100 ) / canvas.getCanvasWidth(); |
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} |
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public void setMax(double max) {
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