root / branches / v2_0_0_prep / libraries / org.gvsig.symbology / org.gvsig.symbology.swing / org.gvsig.symbology.swing.api / src / main / java / org / gvsig / app / gui / styling / PatternEditor.java @ 34294
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package org.gvsig.app.gui.styling; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.GridLayout; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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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 javax.swing.JFrame; |
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import javax.swing.JPanel; |
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public class PatternEditor extends JPanel { |
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/**
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*
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*/
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private static final long serialVersionUID = 4393880700290565871L; |
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private static final int NULL_STATE = 0; |
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private static final int EMPTY_STATE = 1; |
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private static final int FILL_STATE = 2; |
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private static final int END_MARK_STATE = 3; |
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private int dividers = 9; |
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private int subDividersPerDivider = 5; |
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private int separations = dividers * subDividersPerDivider; |
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private int vGap = 5; // pixels |
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private int hGap = 5; |
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private float dash[]; |
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private int states[] = new int[separations]; |
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private MyMouseListener mouseBehavior = new MyMouseListener(); |
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private Rectangle bounds; |
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private int width,height,halfHeight,separation; |
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private ArrayList<ActionListener> listeners=new ArrayList<ActionListener>(); |
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public PatternEditor() {
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super();
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addMouseListener(mouseBehavior); |
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addMouseMotionListener(mouseBehavior); |
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for (int i = 0; i < states.length; i++) { |
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states[i] = NULL_STATE; |
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} |
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states[0] = END_MARK_STATE;
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} |
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public float[] getDash() { |
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return dash;
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} |
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public void setDash(float[] dash) { |
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this.dash=dash;
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obtain_states(dash); |
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repaint(); |
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} |
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private void obtain_states(float[] dash) { |
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int pos=0; |
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if(dash == null) return; |
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//Para el resto de casos
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for (int i = 0; i < dash.length; i++) { |
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if(i%2 == 0) { |
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for (int j = 0; j < dash[i]; j++) { |
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states[pos]=FILL_STATE; |
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pos++; |
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} |
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} |
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else {
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for (int j = 0; j < dash[i]; j++) { |
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states[pos]=EMPTY_STATE; |
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pos++; |
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} |
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} |
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} |
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states[pos]=END_MARK_STATE; |
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} |
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private void create_Dash() { |
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if (states[0] == NULL_STATE) dash=null; |
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else {
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int divisions = 1; |
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boolean firstfilled = true; |
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//To create the divisions of the dash
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if (states[0] == EMPTY_STATE) { |
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divisions ++; |
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firstfilled = false;
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} |
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int k=1; |
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if(states[0] != END_MARK_STATE ) { |
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while (states[k] != END_MARK_STATE) {
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if(states[k] != states[k-1])divisions++; |
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k++; |
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} |
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} |
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//To fill the dash array
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int pos=0; |
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if(divisions ==1)dash=null; |
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else {
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dash = new float[divisions]; |
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if(!firstfilled) {
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dash[0]=0; |
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pos++; |
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firstfilled = true;
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} |
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dash[pos]=1;
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int i=1; |
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while(states[i]!= END_MARK_STATE) {
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if(states[i] == states[i-1])dash[pos]++; |
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else {
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pos++; |
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dash[pos]=1;
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} |
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i++; |
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} |
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} |
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for (int i = 0; dash!=null && i < dash.length; i++) { |
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System.out.print(dash[i]+" "); |
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} |
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System.out.print("\n"); |
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} |
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for (int i=0;i<listeners.size();i++) { |
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listeners.get(i).actionPerformed(new ActionEvent(this,ActionEvent.ACTION_FIRST,"Released")); |
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} |
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} |
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public void clear_Dash() { |
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dash = null;
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for (int i = 0; i < states.length; i++) { |
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states[i] = NULL_STATE; |
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} |
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states[0] = END_MARK_STATE;
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repaint(); |
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create_Dash(); |
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} |
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@Override
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public void paintComponent(Graphics g) { |
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super.paintComponent(g);
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bounds = getBounds(); |
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width = bounds.width; |
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height = bounds.height-2*vGap;
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halfHeight = height / 2;
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separation = width / separations; |
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for (int i = 0; i <= separations; i++) { |
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if (i%subDividersPerDivider == 0) { |
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g.drawLine(hGap+separation*i, vGap, hGap+separation*i, vGap+halfHeight-3);
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} else {
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g.drawLine(hGap+separation*i, vGap+(halfHeight/2), hGap+separation*i, vGap+halfHeight-3); |
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} |
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} |
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for(int i = 0; i < states.length ; i++) { |
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switch (states[i]) {
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case END_MARK_STATE:
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g.setColor(Color.GRAY);
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break;
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case NULL_STATE:
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continue;
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case FILL_STATE:
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g.setColor(Color.BLACK);
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break;
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case EMPTY_STATE:
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g.setColor(Color.WHITE);
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break;
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} |
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bounds.setLocation(0, 0); |
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g.fillRect(hGap+separation*i, (vGap)+height/2, separation, halfHeight);
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} |
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bounds.setLocation(0, 0); |
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g.drawRect(hGap,(vGap)+height/2 ,separation*separations,halfHeight);
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} |
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public static void main(String[] args) { |
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JFrame f = new JFrame(); |
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final PatternEditor pe1 = new PatternEditor(); |
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final PatternEditor pe2 = new PatternEditor(); |
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JPanel content = new JPanel(new GridLayout(2, 1)); |
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pe1.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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pe2.setDash(pe1.getDash()); |
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} |
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}); |
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content.add(pe1); |
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content.add(pe2); |
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f.setContentPane(content); |
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f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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f.pack(); |
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f.setVisible(true);
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} |
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private class MyMouseListener implements MouseListener, MouseMotionListener { |
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private Point initialPoint = null; |
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private Point endPoint = null; |
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public void mouseEntered(MouseEvent e) { /* nothing */ } |
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public void mouseExited(MouseEvent e){ /* nothing */ } |
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public void mouseReleased(MouseEvent e) { /* nothing */ } |
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public void mouseMoved(MouseEvent e) { /* nothing */ } |
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public void mouseClicked(MouseEvent e){ |
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initialPoint = getPoint(e); |
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} |
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public void mousePressed(MouseEvent e) { |
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initialPoint = getPoint(e); |
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if(isValidPoint(initialPoint)) {
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if (states[getRect(initialPoint)]== EMPTY_STATE)
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states[getRect(initialPoint)] = FILL_STATE; |
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else if (states[getRect(initialPoint)]== FILL_STATE) |
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states[getRect(initialPoint)] = EMPTY_STATE; |
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repaint(); |
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create_Dash(); |
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} |
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} |
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private Point getPoint(MouseEvent e) { |
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Point p = new Point();//getLocation(); |
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Point p2 = e.getPoint();
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return new Point(p2.x - p.x, p2.y - p.y); |
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} |
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private synchronized void doIt() { |
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if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
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if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
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int stateIndex = getRect(initialPoint);
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if (stateIndex>=separations) return; |
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switch (states[stateIndex]) {
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case END_MARK_STATE:
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case NULL_STATE:
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enlarge(); |
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break;
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case FILL_STATE:
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swap(); |
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break;
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} |
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repaint(); |
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create_Dash(); |
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} |
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} |
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private void swap() { |
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if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
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if(states[getRect(endPoint)] == EMPTY_STATE)
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states[getRect(endPoint)]= FILL_STATE; |
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else return; |
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} |
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private synchronized void enlarge() { |
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if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))
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return;
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int index = getRect(endPoint);
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if (index >= separations)
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return;
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if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
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for (int i = index-1; i >= 0; i--) { |
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if (states[i] != FILL_STATE)
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states[i] = EMPTY_STATE; |
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} |
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for (int i = index+1; i < states.length; i++) { |
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states[i] = NULL_STATE; |
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} |
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states[index] = END_MARK_STATE; |
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} |
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} |
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private boolean isValidPoint(Point p) { |
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if (getRect(p)!= -1) |
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return true; |
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return false; |
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} |
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private int getRect(Point p) { |
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if (( vGap+halfHeight <= p.y ) && ( p.y <= vGap+2*halfHeight )) |
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if((hGap <= p.x) && (p.x <= hGap+(separation*separations)))
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return (p.x - hGap) / separation;
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return -1; |
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} |
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public void mouseDragged(MouseEvent e) { |
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endPoint = getPoint(e); |
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if(isValidPoint(endPoint)) {
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doIt(); |
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} |
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} |
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} |
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public void addActionListener(ActionListener patternChange) { |
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listeners.add(patternChange); |
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} |
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} |