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 / SymbolPreviewer.java @ 40560
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1 | 40560 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | 40435 | jjdelcerro | *
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4 | 40560 | jjdelcerro | * Copyright (C) 2007-2013 gvSIG Association.
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5 | 40435 | jjdelcerro | *
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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 | 40560 | jjdelcerro | * as published by the Free Software Foundation; either version 3
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9 | 40435 | jjdelcerro | * 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 | 40560 | jjdelcerro | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | 40435 | jjdelcerro | *
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21 | 40560 | jjdelcerro | * 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 | 40435 | jjdelcerro | */
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24 | /* CVS MESSAGES:
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25 | *
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26 | * $Id: SymbolPreviewer.java 30892 2009-09-21 12:02:19Z cordinyana $
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27 | * $Log: SymbolPreviewer.java,v $
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28 | * Revision 1.6 2007/08/16 06:54:35 jvidal
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29 | * javadoc updated
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30 | *
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31 | * Revision 1.5 2007/08/07 11:41:15 jvidal
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32 | * javadoc
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33 | *
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34 | * Revision 1.4 2007/04/05 16:08:34 jaume
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35 | * Styled labeling stuff
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36 | *
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37 | * Revision 1.3 2007/04/04 16:01:14 jaume
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38 | * *** empty log message ***
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39 | *
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40 | * Revision 1.2 2007/03/09 11:25:00 jaume
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41 | * Advanced symbology (start committing)
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42 | *
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43 | * Revision 1.1.2.3 2007/02/21 07:35:14 jaume
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44 | * *** empty log message ***
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45 | *
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46 | * Revision 1.1.2.2 2007/02/08 15:43:05 jaume
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47 | * some bug fixes in the editor and removed unnecessary imports
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48 | *
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49 | * Revision 1.1.2.1 2007/01/26 13:49:03 jaume
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50 | * *** empty log message ***
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51 | *
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52 | * Revision 1.4 2007/01/16 11:52:11 jaume
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53 | * *** empty log message ***
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54 | *
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55 | * Revision 1.8 2007/01/10 17:05:05 jaume
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56 | * moved to FMap and gvSIG
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57 | *
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58 | * Revision 1.7 2006/10/30 19:30:35 jaume
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59 | * *** empty log message ***
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60 | *
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61 | * Revision 1.6 2006/10/29 23:53:49 jaume
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62 | * *** empty log message ***
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63 | *
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64 | * Revision 1.5 2006/10/29 21:45:12 jaume
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65 | * centers in x the "none selected message"
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66 | *
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67 | * Revision 1.4 2006/10/29 21:43:34 jaume
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68 | * *** empty log message ***
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69 | *
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70 | * Revision 1.3 2006/10/29 21:40:29 jaume
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71 | * centers in x the "none selected message"
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72 | *
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73 | * Revision 1.2 2006/10/26 07:46:58 jaume
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74 | * *** empty log message ***
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75 | *
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76 | * Revision 1.1 2006/10/25 10:50:41 jaume
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77 | * movement of classes and gui stuff
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78 | *
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79 | * Revision 1.2 2006/10/24 19:54:55 jaume
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80 | * *** empty log message ***
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81 | *
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82 | * Revision 1.1 2006/10/24 16:31:12 jaume
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83 | * *** empty log message ***
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84 | *
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85 | *
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86 | */
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87 | package org.gvsig.app.gui.styling; |
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88 | |||
89 | import java.awt.Color; |
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90 | import java.awt.Font; |
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91 | import java.awt.FontMetrics; |
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92 | import java.awt.Graphics; |
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93 | import java.awt.Graphics2D; |
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94 | import java.awt.Rectangle; |
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95 | import java.awt.RenderingHints; |
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96 | import java.awt.event.MouseListener; |
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97 | import java.awt.event.MouseMotionListener; |
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98 | import java.awt.geom.AffineTransform; |
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99 | |||
100 | import javax.swing.JPanel; |
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101 | |||
102 | import org.gvsig.fmap.mapcontext.MapContextLocator; |
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103 | import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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104 | import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolDrawingException; |
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105 | import org.gvsig.i18n.Messages; |
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106 | |||
107 | |||
108 | /**
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109 | * SymbolPreviewer creates a JPanel used for the user to watch the preview of
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110 | * a symbol.It has an square form with a white background and the symbol
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111 | * is inserted in the middle.
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112 | * @author jaume dominguez faus - jaume.dominguez@iver.es
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113 | *
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114 | */
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115 | public class SymbolPreviewer extends JPanel { |
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116 | /**
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117 | *
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118 | */
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119 | private static final long serialVersionUID = 8095930506630873031L; |
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120 | private int hGap = 5, vGap = 5; |
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121 | private ISymbol symbol;
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122 | private EditorTool prevTool;
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123 | /**
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124 | * constructor method
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125 | *
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126 | */
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127 | public SymbolPreviewer() {
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128 | super(true); |
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129 | setBackground(Color.WHITE);
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130 | } |
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131 | /**
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132 | * Returns the symbol printed inside
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133 | * @return symbol
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134 | */
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135 | public ISymbol getSymbol() {
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136 | return symbol;
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137 | } |
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138 | /**
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139 | * Establishes the symbol to be showed in the symbolpreviewer panel
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140 | * @param symbol
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141 | */
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142 | public void setSymbol(ISymbol symbol) { |
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143 | this.symbol = symbol;
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144 | repaint(); |
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145 | } |
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146 | /**
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147 | * Draws the symbol in the middle of the pane in order to create a preview
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148 | * of the final one.
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149 | */
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150 | public void paint(Graphics g) { |
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151 | super.paint(g);
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152 | Graphics2D g2 = (Graphics2D) g; |
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153 | RenderingHints old = g2.getRenderingHints();
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154 | g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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155 | g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); |
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156 | g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
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157 | |||
158 | g2.translate(hGap, vGap); |
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159 | Rectangle r = getBounds();
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160 | r = new Rectangle(0, 0, (int) (r.getWidth()-(hGap*2)), (int) (r.getHeight()-(vGap*2))); |
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161 | |||
162 | if (symbol != null) { |
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163 | try {
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164 | symbol.drawInsideRectangle(g2, new AffineTransform(), r,null); |
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165 | } catch (SymbolDrawingException e) {
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166 | if (e.getType() == SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS) {
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167 | try {
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168 | MapContextLocator.getSymbolManager() |
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169 | .getWarningSymbol( |
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170 | SymbolDrawingException.STR_UNSUPPORTED_SET_OF_SETTINGS, |
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171 | "",
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172 | SymbolDrawingException.UNSUPPORTED_SET_OF_SETTINGS) |
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173 | .drawInsideRectangle(g2, null, r, null); |
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174 | } catch (SymbolDrawingException e1) {
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175 | // IMPOSSIBLE TO REACH THIS
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176 | } |
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177 | } else {
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178 | // should be unreachable code
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179 | throw new Error(Messages.getText("symbol_shapetype_mismatch")); |
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180 | } |
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181 | } |
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182 | } else {
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183 | String noneSelected = "["+Messages.getText("preview_not_available")+"]"; |
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184 | FontMetrics fm = g2.getFontMetrics();
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185 | int lineWidth = fm.stringWidth(noneSelected);
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186 | float scale = (float) r.getWidth() / lineWidth; |
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187 | Font f = g2.getFont();
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188 | float fontSize = f.getSize()*scale;
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189 | g2.setFont( f.deriveFont( fontSize ) ); |
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190 | |||
191 | g2.drawString(noneSelected, (r.x*scale) - (hGap/2), r.height/2+vGap*scale); |
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192 | } |
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193 | g2.setRenderingHints(old); |
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194 | } |
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195 | |||
196 | /**
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197 | * Sets the EditorTool for the pane.
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198 | *
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199 | * @param l,EditorTool
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200 | */
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201 | public EditorTool setEditorTool(EditorTool tool) {
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202 | EditorTool previous = prevTool; |
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203 | |||
204 | MouseListener[] ml = getMouseListeners(); |
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205 | for (int i = 0; i < ml.length; i++) { |
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206 | super.removeMouseListener(ml[i]);
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207 | } |
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208 | MouseMotionListener[] mml = getMouseMotionListeners(); |
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209 | for (int i = 0; i < mml.length; i++) { |
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210 | super.removeMouseMotionListener(mml[i]);
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211 | } |
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212 | |||
213 | if (tool!= null) { |
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214 | super.addMouseListener(tool);
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215 | setCursor(tool.getCursor()); |
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216 | super.addMouseMotionListener(tool);
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217 | } |
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218 | prevTool = tool; |
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219 | return previous;
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220 | } |
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221 | |||
222 | } |