OpenConcerto

Dépôt officiel du code source de l'ERP OpenConcerto
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svn://code.openconcerto.org/openconcerto

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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 *
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 * Copyright 2011 OpenConcerto, by ILM Informatique. All rights reserved.
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 *
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 * The contents of this file are subject to the terms of the GNU General Public License Version 3
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 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
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 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
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 * language governing permissions and limitations under the License.
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 *
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 * When distributing the software, include this License Header Notice in each file.
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 */
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 package org.openconcerto.erp.modules;
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import org.openconcerto.erp.config.Gestion;
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import org.openconcerto.erp.modules.ModuleManager.ModuleAction;
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import org.openconcerto.erp.modules.ModuleManager.ModuleState;
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import org.openconcerto.erp.modules.ModuleTableModel.ModuleRow;
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import org.openconcerto.erp.panel.UserExitConf;
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import org.openconcerto.sql.view.AbstractFileTransfertHandler;
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import org.openconcerto.ui.component.WaitIndeterminatePanel;
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import org.openconcerto.utils.CompareUtils;
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import org.openconcerto.utils.ExceptionHandler;
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import org.openconcerto.utils.FileUtils;
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import java.awt.Dialog.ModalityType;
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import java.awt.event.ActionEvent;
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import java.io.File;
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import java.io.IOException;
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import java.text.ChoiceFormat;
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import java.text.MessageFormat;
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import java.util.Collection;
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import java.util.HashSet;
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import java.util.Set;
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import javax.swing.AbstractAction;
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import javax.swing.Action;
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import javax.swing.JComponent;
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import javax.swing.JDialog;
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import javax.swing.JOptionPane;
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import javax.swing.SwingUtilities;
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import javax.swing.SwingWorker;
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import javax.swing.TransferHandler;
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public class AvailableModulesPanel {
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    static final MessageFormat MODULE_FMT;
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    static {
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        final ChoiceFormat choiceForm = new ChoiceFormat(new double[] { 1, 2 }, new String[] { "d'un module", "de {0} modules" });
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        MODULE_FMT = new MessageFormat("{0}");
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        MODULE_FMT.setFormatByArgumentIndex(0, choiceForm);
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    }
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    // prevent the user from interacting when un/installing modules
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    static JDialog displayDialog(JComponent parent, final String text) {
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        final WaitIndeterminatePanel panel = new WaitIndeterminatePanel(text);
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        final JDialog dialog = new JDialog(SwingUtilities.getWindowAncestor(parent), ModalityType.APPLICATION_MODAL);
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        dialog.add(panel);
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        dialog.pack();
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        dialog.setLocationRelativeTo(parent);
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        SwingUtilities.invokeLater(new Runnable() {
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            @Override
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            public void run() {
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                dialog.setVisible(true);
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            }
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        });
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        return dialog;
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    }
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    // return true if the user cancels
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    static boolean displayDenied(final JComponent panel, final String dialogTitle, final String deniedMsg, final boolean noneAllowed) {
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        final boolean done;
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        if (noneAllowed) {
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            JOptionPane.showMessageDialog(panel, deniedMsg, dialogTitle, JOptionPane.WARNING_MESSAGE);
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            done = true;
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        } else {
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            final int answer = JOptionPane.showConfirmDialog(panel, deniedMsg, dialogTitle, JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE);
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            done = answer == JOptionPane.CANCEL_OPTION;
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        }
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        return done;
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    }
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    static void applySolution(final ModuleManager mngr, final ModulePanel panel, final ModulesStateChange chosen, final ModuleState targetState) {
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        final String dialogTitle = "Gestion des modules";
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        final int installSize = chosen.getReferencesToInstall().size();
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        final int uninstallSize = chosen.getReferencesToRemove().size();
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        if (installSize == 0 && uninstallSize == 0) {
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            JOptionPane.showMessageDialog(panel, "Aucun changement à apporter", dialogTitle, JOptionPane.INFORMATION_MESSAGE);
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            return;
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        }
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        final StringBuilder sb = new StringBuilder(128);
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        if (uninstallSize > 0) {
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            sb.append("Désinstallation ");
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            sb.append(MODULE_FMT.format(new Object[] { uninstallSize }));
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        }
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        if (installSize > 0) {
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            if (sb.length() > 0)
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                sb.append(". ");
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            sb.append("Installation ");
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            sb.append(MODULE_FMT.format(new Object[] { installSize }));
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        }
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        sb.append(".");
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        final String msg = sb.toString();
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        if (mngr.needExit(chosen)) {
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            Gestion.askForExit(new UserExitConf(msg, true) {
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                @Override
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                protected void afterWindowsClosed() throws Exception {
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                    // since windows are closed this should minimise uninstall
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                    // problems. As the other branch of the if, start modules
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                    mngr.applyChange(chosen, targetState, true);
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                };
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            });
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        } else {
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            final JDialog dialog = displayDialog(panel, msg);
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            new SwingWorker<ModulesStateChangeResult, Object>() {
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                @Override
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                protected ModulesStateChangeResult doInBackground() throws Exception {
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                    // don't start the module in background (see below)
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                    // don't go farther than requested
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                    final ModuleState backgroundState = CompareUtils.min(targetState, ModuleState.REGISTERED);
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                    return mngr.applyChange(chosen, backgroundState);
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                }
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                @Override
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                protected void done() {
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                    try {
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                        final ModulesStateChangeResult res = this.get();
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                        if (res.getNotCreated().size() > 0)
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                            JOptionPane.showMessageDialog(panel, "Certains modules n'ont pu être créés : " + res.getNotCreated(), dialogTitle, JOptionPane.WARNING_MESSAGE);
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                        // start inside the EDT, that way when we return, the
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                        // modules are completely started. Further if any exception
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                        // is thrown we can catch it here.
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                        if (targetState.compareTo(ModuleState.STARTED) >= 0) {
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                            try {
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                                // pass all modules to start() since start/stop status might have
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                                // changed since doInBackground()
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                                mngr.startFactories(res.getGraph().flatten());
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                                mngr.setPersistentModules(chosen.getUserReferencesToInstall());
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                            } catch (Exception e) {
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                                ExceptionHandler.handle(panel, "Impossible de démarrer les modules", e);
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                            }
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                        }
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                    } catch (Exception e) {
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                        ExceptionHandler.handle(panel, "Impossible d'appliquer les changements", e);
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                    }
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                    panel.reload();
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                    dialog.dispose();
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                }
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            }.execute();
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        }
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    }
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    static final Action createInstallAction(final ModulePanel panel, final boolean onlyInstall) {
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        return new AbstractAction("Installer") {
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            @Override
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            public void actionPerformed(ActionEvent evt) {
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                final String dialogTitle = "Installation de modules";
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                final Collection<ModuleRow> checkedRows = panel.getSelection();
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                if (checkedRows.isEmpty()) {
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                    JOptionPane.showMessageDialog(panel, "Aucune ligne cochée", dialogTitle, JOptionPane.INFORMATION_MESSAGE);
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                    return;
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                }
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                final ModuleManager mngr = panel.getModuleManager();
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                final Set<ModuleReference> refs = new HashSet<ModuleReference>();
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                final Set<ModuleReference> deniedRefs = new HashSet<ModuleReference>();
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                for (final ModuleRow f : checkedRows) {
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                    if (!mngr.canCurrentUser(ModuleAction.INSTALL, f))
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                        deniedRefs.add(f.getRef());
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                    else
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                        refs.add(f.getRef());
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                }
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                if (deniedRefs.size() > 0) {
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                    if (displayDenied(panel, dialogTitle, "Ces modules ne peuvent être installés : " + deniedRefs, refs.size() == 0))
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                        return;
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                }
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                assert refs.size() > 0;
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                final JDialog depDialog = displayDialog(panel, "Calcul des dépendences");
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                new SwingWorker<Solutions, Object>() {
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                    @Override
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                    protected Solutions doInBackground() throws Exception {
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                        // MAYBE present the user with the reason references couldn't be installed
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                        return mngr.getSolutions(refs, 5);
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                    }
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                    @Override
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                    protected void done() {
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                        depDialog.dispose();
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                        try {
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                            final Solutions res = this.get();
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                            if (res.getSolutions().size() == 0) {
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                                JOptionPane.showMessageDialog(panel, "Aucune solution trouvée", "Installation de modules", JOptionPane.WARNING_MESSAGE);
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                            } else {
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                                final DepSolverResultChooserPanel cPanel = new DepSolverResultChooserPanel(res.getSolutions());
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                                cPanel.setRunnable(new Runnable() {
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                                    @Override
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                                    public void run() {
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                                        applySolution(mngr, panel, cPanel.getSolutionToApply(), onlyInstall ? ModuleState.INSTALLED : ModuleState.STARTED);
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                                    }
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                                });
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                                final JDialog dialog = new JDialog(SwingUtilities.getWindowAncestor(panel), ModalityType.APPLICATION_MODAL);
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                                dialog.add(cPanel);
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                                dialog.pack();
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                                dialog.setLocationRelativeTo(panel);
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                                dialog.setVisible(true);
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                            }
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                        } catch (Exception e) {
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                            ExceptionHandler.handle(panel, "Erreur lors de la recherche de solutions", e);
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                        }
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                    }
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                }.execute();
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            }
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        };
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    }
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    static final TransferHandler createTransferHandler(final ModulePanel panel) {
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        return new AbstractFileTransfertHandler() {
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            @Override
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            public void handleFile(File f) {
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                if (!f.getName().endsWith(".jar")) {
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                    JOptionPane.showMessageDialog(panel, "Impossible d'installer le module. Le fichier n'est pas un module.");
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                    return;
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                }
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                final File dir = Gestion.MODULES_DIR;
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                // TODO test symlink in Java 7
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                if (!dir.isDirectory()) {
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                    if (dir.exists()) {
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                        JOptionPane.showMessageDialog(panel, "Le fichier existe mais n'est pas un dossier : " + dir.getAbsolutePath());
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                        return;
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                    } else {
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                        try {
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                            FileUtils.mkdir_p(dir);
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                        } catch (IOException e) {
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                            JOptionPane.showMessageDialog(panel, "Impossible de créer le dossier des modules : " + dir.getAbsolutePath());
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                            return;
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                        }
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                    }
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                }
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                File out = null;
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                if (dir.canWrite()) {
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                    try {
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                        out = new File(dir, f.getName());
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                        FileUtils.copyFile(f, out);
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                    } catch (IOException e) {
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                        JOptionPane.showMessageDialog(panel, "Impossible d'installer le module.\n" + f.getAbsolutePath() + " vers " + dir.getAbsolutePath());
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                        return;
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                    }
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                } else {
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                    JOptionPane.showMessageDialog(panel, "Impossible d'installer le module.\nVous devez disposer des droits en écriture sur le dossier:\n" + dir.getAbsolutePath());
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                    return;
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                }
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                try {
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                    panel.getModuleManager().addFactory(new JarModuleFactory(out));
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                } catch (IOException e) {
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                    JOptionPane.showMessageDialog(panel, "Impossible d'intégrer le module.\n" + e.getMessage());
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                    return;
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                }
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                SwingUtilities.invokeLater(new Runnable() {
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                    @Override
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                    public void run() {
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                        panel.reload();
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                    }
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                });
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            }
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        };
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    }
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}