svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.swing / org.gvsig.symbology.swing.api / src / main / java / org / gvsig / app / gui / styling / PatternEditor.java @ 40560
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | package org.gvsig.app.gui.styling; |
25 | |||
26 | import java.awt.Color; |
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27 | import java.awt.Graphics; |
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28 | import java.awt.GridLayout; |
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29 | import java.awt.Point; |
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30 | import java.awt.Rectangle; |
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31 | import java.awt.event.ActionEvent; |
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32 | import java.awt.event.ActionListener; |
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33 | import java.awt.event.MouseEvent; |
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34 | import java.awt.event.MouseListener; |
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35 | import java.awt.event.MouseMotionListener; |
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36 | import java.util.ArrayList; |
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37 | |||
38 | import javax.swing.JFrame; |
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39 | import javax.swing.JPanel; |
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40 | |||
41 | public class PatternEditor extends JPanel { |
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42 | /**
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43 | *
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44 | */
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45 | private static final long serialVersionUID = 4393880700290565871L; |
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46 | private static final int NULL_STATE = 0; |
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47 | private static final int EMPTY_STATE = 1; |
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48 | private static final int FILL_STATE = 2; |
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49 | private static final int END_MARK_STATE = 3; |
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50 | private int dividers = 9; |
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51 | private int subDividersPerDivider = 5; |
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52 | private int separations = dividers * subDividersPerDivider; |
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53 | private int vGap = 5; // pixels |
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54 | private int hGap = 5; |
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55 | private float dash[]; |
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56 | private int states[] = new int[separations]; |
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57 | private MyMouseListener mouseBehavior = new MyMouseListener(); |
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58 | private Rectangle bounds; |
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59 | private int width,height,halfHeight,separation; |
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60 | private ArrayList<ActionListener> listeners=new ArrayList<ActionListener>(); |
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61 | |||
62 | public PatternEditor() {
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63 | super();
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64 | addMouseListener(mouseBehavior); |
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65 | addMouseMotionListener(mouseBehavior); |
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66 | for (int i = 0; i < states.length; i++) { |
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67 | states[i] = NULL_STATE; |
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68 | } |
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69 | states[0] = END_MARK_STATE;
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70 | } |
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71 | |||
72 | public float[] getDash() { |
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73 | return dash;
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74 | } |
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75 | |||
76 | public void setDash(float[] dash) { |
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77 | this.dash=dash;
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78 | obtain_states(dash); |
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79 | repaint(); |
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80 | } |
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81 | |||
82 | private void obtain_states(float[] dash) { |
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83 | int pos=0; |
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84 | if(dash == null) return; |
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85 | |||
86 | //Para el resto de casos
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87 | for (int i = 0; i < dash.length; i++) { |
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88 | if(i%2 == 0) { |
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89 | for (int j = 0; j < dash[i]; j++) { |
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90 | states[pos]=FILL_STATE; |
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91 | pos++; |
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92 | } |
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93 | } |
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94 | else {
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95 | for (int j = 0; j < dash[i]; j++) { |
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96 | states[pos]=EMPTY_STATE; |
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97 | pos++; |
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98 | } |
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99 | } |
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100 | } |
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101 | states[pos]=END_MARK_STATE; |
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102 | |||
103 | |||
104 | } |
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105 | |||
106 | private void create_Dash() { |
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107 | if (states[0] == NULL_STATE) dash=null; |
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108 | else {
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109 | int divisions = 1; |
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110 | boolean firstfilled = true; |
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111 | |||
112 | //To create the divisions of the dash
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113 | if (states[0] == EMPTY_STATE) { |
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114 | divisions ++; |
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115 | firstfilled = false;
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116 | } |
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117 | int k=1; |
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118 | if(states[0] != END_MARK_STATE ) { |
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119 | while (states[k] != END_MARK_STATE) {
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120 | if(states[k] != states[k-1])divisions++; |
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121 | k++; |
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122 | } |
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123 | } |
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124 | |||
125 | |||
126 | //To fill the dash array
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127 | int pos=0; |
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128 | if(divisions ==1)dash=null; |
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129 | else {
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130 | dash = new float[divisions]; |
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131 | if(!firstfilled) {
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132 | dash[0]=0; |
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133 | pos++; |
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134 | firstfilled = true;
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135 | } |
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136 | dash[pos]=1;
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137 | |||
138 | int i=1; |
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139 | while(states[i]!= END_MARK_STATE) {
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140 | if(states[i] == states[i-1])dash[pos]++; |
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141 | else {
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142 | pos++; |
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143 | dash[pos]=1;
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144 | } |
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145 | i++; |
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146 | } |
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147 | } |
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148 | for (int i = 0; dash!=null && i < dash.length; i++) { |
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149 | System.out.print(dash[i]+" "); |
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150 | } |
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151 | System.out.print("\n"); |
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152 | |||
153 | } |
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154 | for (int i=0;i<listeners.size();i++) { |
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155 | listeners.get(i).actionPerformed(new ActionEvent(this,ActionEvent.ACTION_FIRST,"Released")); |
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156 | } |
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157 | } |
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158 | |||
159 | public void clear_Dash() { |
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160 | dash = null;
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161 | for (int i = 0; i < states.length; i++) { |
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162 | states[i] = NULL_STATE; |
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163 | } |
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164 | states[0] = END_MARK_STATE;
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165 | repaint(); |
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166 | create_Dash(); |
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167 | |||
168 | } |
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169 | |||
170 | @Override
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171 | public void paintComponent(Graphics g) { |
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172 | super.paintComponent(g);
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173 | bounds = getBounds(); |
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174 | width = bounds.width; |
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175 | height = bounds.height-2*vGap;
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176 | halfHeight = height / 2;
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177 | separation = width / separations; |
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178 | for (int i = 0; i <= separations; i++) { |
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179 | if (i%subDividersPerDivider == 0) { |
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180 | g.drawLine(hGap+separation*i, vGap, hGap+separation*i, vGap+halfHeight-3);
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181 | } else {
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182 | g.drawLine(hGap+separation*i, vGap+(halfHeight/2), hGap+separation*i, vGap+halfHeight-3); |
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183 | } |
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184 | |||
185 | } |
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186 | |||
187 | for(int i = 0; i < states.length ; i++) { |
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188 | switch (states[i]) {
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189 | case END_MARK_STATE:
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190 | g.setColor(Color.GRAY);
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191 | break;
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192 | case NULL_STATE:
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193 | continue;
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194 | case FILL_STATE:
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195 | g.setColor(Color.BLACK);
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196 | break;
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197 | case EMPTY_STATE:
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198 | g.setColor(Color.WHITE);
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199 | break;
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200 | } |
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201 | bounds.setLocation(0, 0); |
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202 | g.fillRect(hGap+separation*i, (vGap)+height/2, separation, halfHeight);
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203 | |||
204 | } |
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205 | bounds.setLocation(0, 0); |
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206 | g.drawRect(hGap,(vGap)+height/2 ,separation*separations,halfHeight);
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207 | |||
208 | } |
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209 | public static void main(String[] args) { |
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210 | JFrame f = new JFrame(); |
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211 | final PatternEditor pe1 = new PatternEditor(); |
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212 | final PatternEditor pe2 = new PatternEditor(); |
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213 | JPanel content = new JPanel(new GridLayout(2, 1)); |
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214 | pe1.addActionListener(new ActionListener() { |
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215 | public void actionPerformed(ActionEvent e) { |
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216 | pe2.setDash(pe1.getDash()); |
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217 | } |
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218 | }); |
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219 | |||
220 | content.add(pe1); |
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221 | content.add(pe2); |
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222 | f.setContentPane(content); |
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223 | f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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224 | f.pack(); |
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225 | f.setVisible(true);
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226 | |||
227 | } |
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228 | |||
229 | private class MyMouseListener implements MouseListener, MouseMotionListener { |
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230 | private Point initialPoint = null; |
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231 | private Point endPoint = null; |
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232 | |||
233 | |||
234 | public void mouseEntered(MouseEvent e) { /* nothing */ } |
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235 | public void mouseExited(MouseEvent e){ /* nothing */ } |
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236 | public void mouseReleased(MouseEvent e) { /* nothing */ } |
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237 | public void mouseMoved(MouseEvent e) { /* nothing */ } |
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238 | |||
239 | public void mouseClicked(MouseEvent e){ |
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240 | initialPoint = getPoint(e); |
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241 | } |
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242 | |||
243 | public void mousePressed(MouseEvent e) { |
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244 | initialPoint = getPoint(e); |
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245 | if(isValidPoint(initialPoint)) {
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246 | if (states[getRect(initialPoint)]== EMPTY_STATE)
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247 | states[getRect(initialPoint)] = FILL_STATE; |
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248 | else if (states[getRect(initialPoint)]== FILL_STATE) |
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249 | states[getRect(initialPoint)] = EMPTY_STATE; |
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250 | |||
251 | repaint(); |
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252 | create_Dash(); |
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253 | } |
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254 | } |
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255 | private Point getPoint(MouseEvent e) { |
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256 | Point p = new Point();//getLocation(); |
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257 | Point p2 = e.getPoint();
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258 | return new Point(p2.x - p.x, p2.y - p.y); |
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259 | } |
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260 | |||
261 | private synchronized void doIt() { |
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262 | if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
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263 | |||
264 | if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
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265 | int stateIndex = getRect(initialPoint);
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266 | if (stateIndex>=separations) return; |
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267 | switch (states[stateIndex]) {
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268 | case END_MARK_STATE:
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269 | case NULL_STATE:
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270 | enlarge(); |
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271 | break;
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272 | case FILL_STATE:
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273 | swap(); |
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274 | break;
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275 | } |
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276 | repaint(); |
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277 | create_Dash(); |
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278 | } |
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279 | } |
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280 | |||
281 | private void swap() { |
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282 | if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
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283 | |||
284 | if(states[getRect(endPoint)] == EMPTY_STATE)
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285 | states[getRect(endPoint)]= FILL_STATE; |
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286 | |||
287 | else return; |
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288 | } |
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289 | |||
290 | private synchronized void enlarge() { |
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291 | |||
292 | if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))
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293 | return;
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294 | int index = getRect(endPoint);
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295 | if (index >= separations)
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296 | return;
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297 | if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
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298 | for (int i = index-1; i >= 0; i--) { |
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299 | if (states[i] != FILL_STATE)
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300 | states[i] = EMPTY_STATE; |
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301 | } |
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302 | for (int i = index+1; i < states.length; i++) { |
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303 | states[i] = NULL_STATE; |
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304 | } |
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305 | |||
306 | |||
307 | states[index] = END_MARK_STATE; |
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308 | } |
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309 | } |
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310 | |||
311 | private boolean isValidPoint(Point p) { |
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312 | if (getRect(p)!= -1) |
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313 | return true; |
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314 | return false; |
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315 | } |
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316 | |||
317 | private int getRect(Point p) { |
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318 | if (( vGap+halfHeight <= p.y ) && ( p.y <= vGap+2*halfHeight )) |
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319 | if((hGap <= p.x) && (p.x <= hGap+(separation*separations)))
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320 | return (p.x - hGap) / separation;
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321 | return -1; |
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322 | } |
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323 | |||
324 | public void mouseDragged(MouseEvent e) { |
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325 | endPoint = getPoint(e); |
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326 | if(isValidPoint(endPoint)) {
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327 | doIt(); |
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328 | } |
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329 | } |
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330 | |||
331 | } |
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332 | |||
333 | public void addActionListener(ActionListener patternChange) { |
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334 | listeners.add(patternChange); |
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335 | |||
336 | } |
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337 | |||
338 | } |