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workspace/RequeteSimple/fr/blankoworld/donnees/JTableModel.class
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workspace/RequeteSimple/fr/blankoworld/donnees/JTableModel.class
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workspace/RequeteSimple/fr/blankoworld/donnees/JTableModel.java
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workspace/RequeteSimple/fr/blankoworld/donnees/JTableModel.java
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package fr.blankoworld.donnees;
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import java.sql.ResultSet;
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import java.sql.ResultSetMetaData;
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import java.sql.SQLException;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JTable;
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import javax.swing.table.AbstractTableModel;
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import java.awt.Dimension;
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import java.awt.GridLayout;
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import fr.blankoworld.connexionBDD.Connexion;
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public class JTableModel extends JPanel {
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private static final long serialVersionUID = 1L;
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// Utilise pour le debugage, lors de l'insertion de donnees (modification)
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// private boolean DEBUG = false;
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public JTableModel(Connexion connectionObject, String requete) {
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super(new GridLayout(1,0));
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JTable table = new JTable(new MyTableModel(connectionObject, requete));
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table.setPreferredScrollableViewportSize(new Dimension(500, 70));
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table.setFillsViewportHeight(true);
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// Ajout de la table dans un panneau deroulant.
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JScrollPane scrollPane = new JScrollPane(table);
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//Ajout du panneau deroulant dans ce panneau ci.
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add(scrollPane);
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}
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class MyTableModel extends AbstractTableModel {
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private static final long serialVersionUID = 1L;
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private String[] columnNames;
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private Object[][] data;
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public MyTableModel(Connexion connectionObject, String requete){
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ResultSet resultat = connectionObject.getQueryResult();
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try {
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// On catalogue l'ensemble des donnees relatives a la table resultante (pas le contenu mais les donnees de colonnes, et le nombre de lignes)
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ResultSetMetaData rsmd = resultat.getMetaData();
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// Nombre de colonnes (Commence a 1 !)
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int i = rsmd.getColumnCount();
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// Donner les entetes de colonnes
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String[] enteteColonnes = new String[i];
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for (int j = 1; j < i + 1; j++) {
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enteteColonnes[j - 1] = rsmd.getColumnName(j);
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}
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// Nombre de lignes
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int nbreLigne = 0;
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while (resultat.next()){
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nbreLigne++;
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}
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// Tableau de donnees
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Object[][] tableauDonnees = new Object[nbreLigne][i];
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for(int ligne = 0; ligne < nbreLigne; ligne++){
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for(int colonne = 0; colonne < i; colonne++){
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tableauDonnees[ligne][colonne] = "";
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}
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}
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//On refait la requete qui semble avoir fonctionne la premiere fois
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connectionObject.sendQuery(requete);
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ResultSet donnees = connectionObject.getQueryResult();
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// Incrementeur de ligne
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int incrementeur = 0;
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while (donnees.next()) {
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//traitement des autres lignes
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for (int j = 1; j < i + 1; j++) {
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tableauDonnees[incrementeur][j - 1] = donnees.getObject(j);
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}
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incrementeur++;
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}
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columnNames = enteteColonnes;
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data = tableauDonnees;
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} catch (SQLException e) {
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// On remplit par des tableaux vides
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columnNames = null;
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data = null;
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}
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// // Jeux de tests (pour voir si cela fonctionne)
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// columnNames = new String[] {"First Name",
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// "Last Name",
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// "Sport",
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// "# of Years",
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// "Vegetarian"};
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//
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// data = new Object[][] {
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// {"Mary", "Campione",
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// "Snowboarding", new Integer(5), new Boolean(false)},
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// {"Alison", "Huml",
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// "Rowing", new Integer(3), new Boolean(true)},
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// {"Kathy", "Walrath",
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// "Knitting", new Integer(2), new Boolean(false)},
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// {"Sharon", "Zakhour",
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// "Speed reading", new Integer(20), new Boolean(true)},
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// {"Philip", "Milne",
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// "Pool", new Integer(10), new Boolean(false)}
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// };
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}
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public int getColumnCount() {
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return columnNames.length;
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}
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public int getRowCount() {
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return data.length;
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}
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public String getColumnName(int col) {
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return columnNames[col];
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}
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public Object getValueAt(int row, int col) {
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return data[row][col];
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}
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/*
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* Commentaire donne par Sun, concernant les prochaines methodes
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* JTable uses this method to determine the default renderer/
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* editor for each cell. If we didn't implement this method,
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* then the last column would contain text ("true"/"false"),
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* rather than a check box.
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*/
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public Class getColumnClass(int c) {
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return getValueAt(0, c).getClass();
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}
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/*
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* Don't need to implement this method unless your table's
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* editable.
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*/
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// public boolean isCellEditable(int row, int col) {
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// //Note that the data/cell address is constant,
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// //no matter where the cell appears onscreen.
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// if (col < 2) {
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// return false;
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// } else {
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// return true;
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// }
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// }
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/*
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* Don't need to implement this method unless your table's
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* data can change.
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*/
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// public void setValueAt(Object value, int row, int col) {
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// if (DEBUG) {
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// System.out.println("Setting value at " + row + "," + col
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// + " to " + value
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// + " (an instance of "
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// + value.getClass() + ")");
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// }
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//
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// data[row][col] = value;
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// fireTableCellUpdated(row, col);
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//
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// if (DEBUG) {
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// System.out.println("New value of data:");
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// printDebugData();
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// }
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// }
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// private void printDebugData() {
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// int numRows = getRowCount();
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// int numCols = getColumnCount();
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//
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// for (int i=0; i < numRows; i++) {
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// System.out.print(" row " + i + ":");
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// for (int j=0; j < numCols; j++) {
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// System.out.print(" " + data[i][j]);
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// }
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// System.out.println();
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// }
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// System.out.println("--------------------------");
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// }
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}
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/**
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* Create the GUI and show it. For thread safety,
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* this method should be invoked from the
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* event-dispatching thread.
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*/
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// private static void createAndShowGUI() {
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// //Create and set up the window.
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// JFrame frame = new JFrame("TableDemo");
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// frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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//
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// //Create and set up the content pane.
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// JTableModel newContentPane = new JTableModel();
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// newContentPane.setOpaque(true); //content panes must be opaque
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// frame.setContentPane(newContentPane);
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//
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// //Display the window.
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// frame.pack();
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// frame.setVisible(true);
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// }
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//
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// public static void main(String[] args) {
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// //Schedule a job for the event-dispatching thread:
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// //creating and showing this application's GUI.
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// javax.swing.SwingUtilities.invokeLater(new Runnable() {
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// public void run() {
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// createAndShowGUI();
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// }
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// });
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// }
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}
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