[8189] | 1 | package vishnu.testvis.sammon;
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| 2 |
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| 3 | import javax.swing.*;
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| 4 | import java.awt.*;
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| 5 | import java.awt.event.*;
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| 6 | import java.util.Vector;
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| 7 | import java.util.Enumeration;
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| 8 | import vishnu.testvis.visual.*;
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| 9 | import vishnu.testvis.object.*;
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| 10 | import java.awt.image.*;
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| 11 |
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| 12 | class ClusterPanel extends JPanel
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| 13 | {
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| 14 | Image offScreen=null;
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| 15 | Dimension offScreenSize;
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| 16 | Graphics2D offGraphics;
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| 17 | private SammCluster currentCluster;
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| 18 | private final int RADIUS = 30;
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| 19 | private SammCluster drawnCluster;
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| 20 | private GraphicalPane parentSammon;
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| 21 |
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| 22 | boolean firstTime = true;
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| 23 | Graphics2D big;
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| 24 | BufferedImage bi;
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| 25 | Rectangle area;
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| 26 | Dimension d = null;
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| 27 |
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| 28 | int locationID = -1;
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| 29 | JPopupMenu[] popups;
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| 30 | JPopupMenu popup;
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| 31 | Vishnu _currentMain;
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| 32 | DataManager dm;
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| 33 |
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| 34 | public ClusterPanel(Vishnu currentMain, GraphicalPane parent)
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| 35 | {
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| 36 | this.parentSammon = parent;
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| 37 | _currentMain=currentMain;
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| 38 | dm = _currentMain.dataManager;
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| 39 | popup = new JPopupMenu();
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| 40 | popup.setVisible(false);
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| 41 | add(popup);
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| 42 |
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| 43 | setOpaque(true);
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| 44 | setPreferredSize(new Dimension(600,600));
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| 45 | setBorder(BorderFactory.createCompoundBorder(
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| 46 | BorderFactory.createEmptyBorder(20,20,20,20),
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| 47 | BorderFactory.createLoweredBevelBorder()));
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| 48 |
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| 49 | addComponentListener(
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| 50 | new ComponentAdapter()
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| 51 | {
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| 52 | public void componentResized(ComponentEvent evt)
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| 53 | {
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| 54 | if( parentSammon.dataMan != null && parentSammon.dataMan.getDocCount()>0){
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| 55 | repaint();
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| 56 | }
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| 57 |
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| 58 | }
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| 59 | }
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| 60 | );
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| 61 |
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| 62 | addMouseMotionListener( new MouseMotionAdapter()
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| 63 | {
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| 64 | public void mouseMoved(MouseEvent mouseEvent)
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| 65 | {
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| 66 | int docsInSelectedClusters=0;
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| 67 |
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| 68 | if( parentSammon.dataMan == null) return;
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| 69 | int oldLocationID = locationID;
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| 70 |
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| 71 | Vector clusters = parentSammon.dataMan.getSammonClusters();
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| 72 | if (clusters == null) return;
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| 73 | locationID = -1;
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| 74 | for (int i = clusters.size()-1 ; i >= 0 ; i--)
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| 75 | {
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| 76 |
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| 77 | SammCluster cluster = (SammCluster) clusters.elementAt(i);
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| 78 | int x = (int) (cluster.getX()*(offScreenSize.width-2*RADIUS)) + RADIUS;
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| 79 | int y = (int) (cluster.getY()*(offScreenSize.height-2*RADIUS)) +RADIUS;
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| 80 |
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| 81 | if (inCircle(mouseEvent,x,y,cluster.getDisplayedRadius()))
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| 82 | {
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| 83 | locationID = i;
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| 84 | }
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| 85 | if(cluster.getSelected())
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| 86 | docsInSelectedClusters+=cluster.documentIDs.size();
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| 87 | }
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| 88 |
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| 89 | if ((oldLocationID != locationID) && (oldLocationID != -1))
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| 90 | popup.setVisible(false);
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| 91 |
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| 92 |
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| 93 | if (locationID != -1)
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| 94 | {
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| 95 | if (locationID != oldLocationID)
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| 96 | {
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| 97 |
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| 98 | popup.removeAll();
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| 99 |
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| 100 | String[] allWords = parentSammon.dataMan.getWords();
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| 101 |
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| 102 | currentCluster = (SammCluster) clusters.elementAt(locationID);
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| 103 | String str = currentCluster.getSize() + " documents";
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| 104 | JMenuItem menuItem = new JMenuItem(str);
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| 105 | popup.add(menuItem);
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| 106 |
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| 107 | menuItem.addActionListener(new ActionListener()
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| 108 | {
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| 109 | public void actionPerformed(ActionEvent actionEvent)
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| 110 | {
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| 111 | drawnCluster = currentCluster;
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| 112 | updateHLinkPanel();
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| 113 | repaint();
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| 114 | //update
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| 115 | }
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| 116 | });
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| 117 |
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| 118 | popup.add(new JPopupMenu.Separator());
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| 119 | menuItem = new JMenuItem("Drill down");
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| 120 |
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| 121 | if(!currentCluster.getSelected())
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| 122 | docsInSelectedClusters+=currentCluster.documentIDs.size();
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| 123 |
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| 124 | if(docsInSelectedClusters<7)menuItem.setEnabled(false);
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| 125 | else menuItem.setEnabled(true);
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| 126 |
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| 127 | // for drilldown
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| 128 | menuItem.addActionListener(new ActionListener()
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| 129 | {
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| 130 | public void actionPerformed(ActionEvent ActionEvent)
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| 131 | {
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| 132 | Vector idVector;
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| 133 | SammCluster thisCluster = getCurrentCluster();
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| 134 |
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| 135 | int theIndex = thisCluster.getWords()[0];
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| 136 | String drillWords = new String(parentSammon.dataMan.getWords()[theIndex]);
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| 137 | for( int i = 1; i < thisCluster.getWords().length; i++ )
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| 138 | {
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| 139 | theIndex = thisCluster.getWords()[i];
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| 140 | drillWords += " " + parentSammon.dataMan.getWords()[theIndex];
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| 141 | }
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| 142 |
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| 143 | Vector clusterPl = parentSammon.dataMan.getSammonClusters();
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| 144 |
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| 145 | Vector idVect = (Vector)thisCluster.getIDs().clone();
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| 146 |
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| 147 | thisCluster.setSelected(true);
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| 148 | for (int i = clusterPl.size()-1; i >= 0; i--)
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| 149 | {
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| 150 |
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| 151 | SammCluster cluster = (SammCluster) clusterPl.elementAt(i);
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| 152 | if (!cluster.equals(thisCluster) && cluster.getSelected())
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| 153 | idVect.addAll(cluster.getIDs());
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| 154 | }
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| 155 | if(idVect.size()>6)
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| 156 | {
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| 157 |
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| 158 | parentSammon.drillDown(idVect);
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| 159 |
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| 160 | currentCluster=null;
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| 161 | drawnCluster=null;
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| 162 | //update();
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| 163 | repaint();
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| 164 | }
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| 165 |
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| 166 | }
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| 167 | });
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| 168 | popup.add(menuItem);
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| 169 | if(!currentCluster.getSelected())
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| 170 | menuItem = new JMenuItem("Select");
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| 171 | else
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| 172 | menuItem = new JMenuItem("Deselect");
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| 173 | menuItem.addActionListener(new ActionListener()
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| 174 | {
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| 175 | public void actionPerformed(ActionEvent ActionEvent)
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| 176 | {
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| 177 | SammCluster cluster = getCurrentCluster();
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| 178 | cluster.setSelected(!cluster.getSelected());
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| 179 | //update();
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| 180 | repaint();
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| 181 |
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| 182 | }
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| 183 | });
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| 184 |
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| 185 | popup.add(menuItem);
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| 186 | int[] words = currentCluster.getWords();
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| 187 | popup.add(new JPopupMenu.Separator());
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| 188 | for(int c=0;c<4;c++)
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| 189 | {
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| 190 | int index = words[c];
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| 191 | if (index>= 0)menuItem = new JMenuItem(allWords[index]);
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| 192 | popup.add(menuItem);
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| 193 | menuItem.setEnabled(false);
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| 194 | }
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| 195 |
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| 196 | popup.validate();
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| 197 | popup.setVisible(true);
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| 198 |
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| 199 | }
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| 200 | popup.show(mouseEvent.getComponent(), mouseEvent.getX(), mouseEvent.getY());
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| 201 | mouseEvent.consume();
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| 202 | }
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| 203 |
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| 204 | }
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| 205 | });
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| 206 |
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| 207 | setVisible(true);
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| 208 | }
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| 209 |
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| 210 |
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| 211 | public SammCluster getCurrentCluster() {return currentCluster;}
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| 212 |
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| 213 |
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| 214 | public void paint(Graphics g)
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| 215 | {
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| 216 | update(g);
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| 217 | }
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| 218 |
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| 219 |
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| 220 | public boolean inCircle(MouseEvent mouseEvent, int x, int y, int radius)
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| 221 | {
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| 222 | int dx2 = (mouseEvent.getX()-x)*(mouseEvent.getX()-x);
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| 223 | int dy2 = (mouseEvent.getY()-y)*(mouseEvent.getY()-y);
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| 224 |
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| 225 | return (dx2 + dy2 < radius*radius);
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| 226 | }
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| 227 |
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| 228 |
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| 229 | private void drawFlag(Graphics g,int x, int y)
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| 230 | {
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| 231 | g.drawLine(x,y,x,y-12);
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| 232 | int [] xs = new int[3];
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| 233 | int [] ys = new int[3];
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| 234 | xs[0]=x;xs[1]= x+10; xs[2]=x;
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| 235 | ys [0]=y-12; ys[1]=y-7;ys[2]=y-2;
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| 236 | g.fillPolygon(xs,ys,3);
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| 237 | }
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| 238 |
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| 239 |
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| 240 | public void update(Graphics g)
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| 241 | {
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| 242 | Graphics2D g2 = (Graphics2D)g;
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| 243 | Dimension d = getSize();
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| 244 | offScreenSize = d;
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| 245 |
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| 246 | int w = d.width;
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| 247 | int h = d.height;
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| 248 |
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| 249 | area = new Rectangle(d);
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| 250 | bi = (BufferedImage)createImage(w, h);
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| 251 | offGraphics = bi.createGraphics();
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| 252 | area.setLocation(w/2-50, h/2-25);
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| 253 | BasicStroke myStroke = new BasicStroke(2,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER);
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| 254 |
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| 255 | offGraphics.setColor(Color.white);
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| 256 | /*offGraphics.clearRect(0, 0, area.width, area.height);
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| 257 | offGraphics.draw(area);
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| 258 | offGraphics.fill(area);*/
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| 259 | offGraphics.fillRect(0,0,d.width,d.height);
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| 260 |
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| 261 | if( parentSammon.dataMan.getDocCount()<1) return;
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| 262 |
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| 263 | Vector clusters = parentSammon.dataMan.getSammonClusters();
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| 264 | if (clusters.size()==0) return;
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| 265 | double minNumDocs = ((SammCluster) clusters.elementAt(0)).getSize();
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| 266 | double maxNumDocs = ((SammCluster) clusters.elementAt(clusters.size()-1)).getSize();
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| 267 | double deltaNumDocs = maxNumDocs - minNumDocs;
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| 268 |
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| 269 | for (int i = clusters.size()-1; i >= 0; i--) {
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| 270 |
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| 271 | SammCluster cluster = (SammCluster) clusters.elementAt(i);
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| 272 | int x = (int) (cluster.getX()*(offScreenSize.width-2*RADIUS)) + RADIUS;
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| 273 | int y = (int) (cluster.getY()*(offScreenSize.height-2*RADIUS)) + RADIUS;
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| 274 |
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| 275 | // Value between 0 and 1 representing the cluster (0 is the smaller cluster and 1 is the bigger one
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| 276 | double clusterWeight = (cluster.getSize() - minNumDocs)/ deltaNumDocs;
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| 277 |
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| 278 | offGraphics.setColor(new Color((float)0.7, (float)0.7, (float)1));
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| 279 |
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| 280 | cluster.setDisplayedRadius(RADIUS-(int)(RADIUS*(1-clusterWeight)/2));
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| 281 | myStroke = new BasicStroke(3,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER);
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| 282 | offGraphics.setStroke(myStroke);
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| 283 | offGraphics.fillOval(x - cluster.getDisplayedRadius(),
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| 284 | y - cluster.getDisplayedRadius(),
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| 285 | 2*cluster.getDisplayedRadius(),
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| 286 | 2*cluster.getDisplayedRadius());
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| 287 |
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| 288 | offGraphics.setColor(new Color((float)0,(float)0, (float)0.7));
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| 289 | offGraphics.drawOval(x - cluster.getDisplayedRadius(),
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| 290 | y - cluster.getDisplayedRadius(),
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| 291 | 2*cluster.getDisplayedRadius(),
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| 292 | 2*cluster.getDisplayedRadius());
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| 293 |
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| 294 | if (cluster.getSelected())
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| 295 | drawFlag(offGraphics,x,y-cluster.getDisplayedRadius());
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| 296 |
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| 297 | if (cluster.equals(this.drawnCluster))
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| 298 | {
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| 299 |
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| 300 | offGraphics.setColor(new Color((float)0.3, (float)0.3, (float)1));
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| 301 | offGraphics.fillOval(x - cluster.getDisplayedRadius(),
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| 302 | y - cluster.getDisplayedRadius(),
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| 303 | 2*cluster.getDisplayedRadius(),
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| 304 | 2*cluster.getDisplayedRadius());
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| 305 |
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| 306 | offGraphics.setColor(new Color((float)0, (float)0, (float)0.7));
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| 307 | offGraphics.drawOval(x - cluster.getDisplayedRadius(),
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| 308 | y - cluster.getDisplayedRadius(),
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| 309 | 2*cluster.getDisplayedRadius(),
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| 310 | 2*cluster.getDisplayedRadius());
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| 311 | }
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| 312 |
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| 313 | }
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| 314 |
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| 315 | int i = clusters.size();
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| 316 | Font normal = new Font("Courier",Font.PLAIN,16);
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| 317 | Font bold = new Font("Courier",Font.BOLD,16);
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| 318 | for (Enumeration enum = clusters.elements() ; enum.hasMoreElements();)
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| 319 | {
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| 320 |
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| 321 | SammCluster cluster = (SammCluster) enum.nextElement();
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| 322 | int x = (int) (cluster.getX()*(offScreenSize.width-2*RADIUS)) + RADIUS;
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| 323 | int y = (int) (cluster.getY()*(offScreenSize.height-2*RADIUS)) + RADIUS;
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| 324 | offGraphics.setFont(bold);
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| 325 | offGraphics.setColor(new Color((float)0, (float)0,(float)0.4));
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| 326 |
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| 327 | FontMetrics fm = offGraphics.getFontMetrics();
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| 328 | int theIndex = cluster.getWords()[0];
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| 329 |
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| 330 | String theWord = parentSammon.dataMan.getWords()[theIndex];
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| 331 |
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| 332 | int width = fm.stringWidth(theWord);
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| 333 | offGraphics.drawString(theWord,x-(width/2),y+5);
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| 334 | i--;
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| 335 | }
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| 336 |
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| 337 | g2.drawImage(bi,0,0,this);
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| 338 | }
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| 339 |
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| 340 |
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| 341 | public void update()
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| 342 | {
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| 343 | /* Dimension d = getSize();
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| 344 | offScreenSize = d;
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| 345 | offScreen = createImage(d.width,d.height);
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| 346 | offGraphics = (Graphics2D)offScreen.getGraphics();
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| 347 |
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| 348 | offGraphics.setColor(Color.white);
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| 349 | offGraphics.fillRect(0,0,d.width,d.height);
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| 350 |
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| 351 | if( parentSammon.dataMan.getDocCount()<1) return;
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| 352 |
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| 353 | Vector clusters = parentSammon.dataMan.getSammonClusters();
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| 354 |
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| 355 | double minNumDocs = ((SammCluster) clusters.elementAt(0)).getSize();
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| 356 | double maxNumDocs = ((SammCluster) clusters.elementAt(clusters.size()-1)).getSize();
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| 357 | double deltaNumDocs = maxNumDocs - minNumDocs;
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| 358 |
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| 359 | for (int i = clusters.size()-1; i >= 0; i--) {
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| 360 |
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| 361 | SammCluster cluster = (SammCluster) clusters.elementAt(i);
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| 362 | int x = (int) (cluster.getX()*(offScreenSize.width-2*RADIUS)) + RADIUS;
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| 363 | int y = (int) (cluster.getY()*(offScreenSize.height-2*RADIUS)) + RADIUS;
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| 364 |
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| 365 | // Value between 0 and 1 representing the cluster (0 is the smaller cluster and 1 is the bigger one
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| 366 | double clusterWeight = (cluster.getSize() - minNumDocs)/ deltaNumDocs;
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| 367 |
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| 368 | //offGraphics.setColor(new Color((float) (1 - 0.7*clusterWeight),(float) 0, (float) 0));
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| 369 | offGraphics.setColor(new Color((float)0.7, (float)0.7, (float)1));
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| 370 |
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| 371 | cluster.setDisplayedRadius(RADIUS-(int)(RADIUS*(1-clusterWeight)/2));
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| 372 | BasicStroke myStroke = new BasicStroke(3,BasicStroke.CAP_BUTT,BasicStroke.JOIN_MITER);
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| 373 | offGraphics.setStroke(myStroke);
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| 374 | offGraphics.fillOval(x - cluster.getDisplayedRadius(),
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| 375 | y - cluster.getDisplayedRadius(),
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| 376 | 2*cluster.getDisplayedRadius(),
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| 377 | 2*cluster.getDisplayedRadius());
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| 378 |
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| 379 | offGraphics.setColor(new Color((float)0,(float)0, (float)0.7));
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| 380 | offGraphics.drawOval(x - cluster.getDisplayedRadius(),
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| 381 | y - cluster.getDisplayedRadius(),
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| 382 | 2*cluster.getDisplayedRadius(),
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| 383 | 2*cluster.getDisplayedRadius());
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| 384 |
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| 385 | if (cluster.getSelected())
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| 386 | drawFlag(offGraphics,x,y-cluster.getDisplayedRadius());
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| 387 |
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| 388 | if (cluster.equals(this.drawnCluster))
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| 389 | {
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| 390 |
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| 391 | offGraphics.setColor(new Color((float)0.3, (float)0.3, (float)1));
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| 392 | offGraphics.fillOval(x - cluster.getDisplayedRadius(),
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| 393 | y - cluster.getDisplayedRadius(),
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| 394 | 2*cluster.getDisplayedRadius(),
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| 395 | 2*cluster.getDisplayedRadius());
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| 396 |
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| 397 | offGraphics.setColor(new Color((float)0, (float)0, (float)0.7));
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| 398 | offGraphics.drawOval(x - cluster.getDisplayedRadius(),
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| 399 | y - cluster.getDisplayedRadius(),
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| 400 | 2*cluster.getDisplayedRadius(),
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| 401 | 2*cluster.getDisplayedRadius());
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| 402 | }
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| 403 |
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| 404 | }
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| 405 |
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| 406 | int i = clusters.size();
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| 407 | Font normal = new Font("Courier",Font.PLAIN,16);
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| 408 | Font bold = new Font("Courier",Font.BOLD,16);
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| 409 | for (Enumeration enum = clusters.elements() ; enum.hasMoreElements();)
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| 410 | {
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| 411 |
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| 412 | SammCluster cluster = (SammCluster) enum.nextElement();
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| 413 | int x = (int) (cluster.getX()*(offScreenSize.width-2*RADIUS)) + RADIUS;
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| 414 | int y = (int) (cluster.getY()*(offScreenSize.height-2*RADIUS)) + RADIUS;
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| 415 | offGraphics.setFont(bold);
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| 416 | offGraphics.setColor(new Color((float)0, (float)0,(float)0.4));
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| 417 |
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| 418 | FontMetrics fm = offGraphics.getFontMetrics();
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| 419 | int theIndex = cluster.getWords()[0];
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| 420 |
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| 421 | String theWord = parentSammon.dataMan.getWords()[theIndex];
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| 422 |
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| 423 | int width = fm.stringWidth(theWord);
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| 424 | offGraphics.drawString(theWord,x-(width/2),y+5);
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| 425 | i--;
|
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| 426 | }*/
|
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| 427 | repaint();
|
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| 428 | }
|
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| 429 |
|
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| 430 |
|
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| 431 | private void updateHLinkPanel()
|
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| 432 | {
|
---|
| 433 | if( parentSammon.dataMan==null) return;
|
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| 434 |
|
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| 435 | if (locationID != -1)
|
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| 436 | {
|
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| 437 |
|
---|
| 438 | Vector clusters = parentSammon.dataMan.getSammonClusters();
|
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| 439 |
|
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| 440 | SammCluster selectedCluster = (SammCluster) clusters.elementAt(locationID);
|
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| 441 | ClusterObj cObj = selectedCluster.getClusterObj();
|
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| 442 | String htmlDescription = cObj.formatDocs();
|
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| 443 |
|
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| 444 | parentSammon.hLinkPanel.setText(htmlDescription);
|
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| 445 | parentSammon.keywordPanel.update(cObj);
|
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| 446 | }
|
---|
| 447 | }
|
---|
| 448 | }
|
---|
| 449 |
|
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| 450 |
|
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