/*
 *                 Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 *
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.cvsclient.commands;

import javax.swing.text.*;
import javax.swing.*;
import java.awt.Dialog;
import org.openide.DialogDescriptor;
import org.openide.util.NbBundle;
import org.netbeans.modules.vcscore.util.Debug;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import org.netbeans.lib.cvsclient.connection.AuthenticationException;
import org.openide.*;
import org.netbeans.modules.javacvs.commands.FileSystemCommand;
import org.netbeans.lib.cvsclient.command.CommandException;
import org.netbeans.lib.cvsclient.command.CommandAbortedException;
import javax.accessibility.*;
import java.util.ResourceBundle;
import org.openide.DialogDisplayer;
import org.openide.awt.StatusDisplayer;

/**
 *
 * @author  mkleint
 * @version
 */

public class ErrorLogPanel extends DefaultInfoPanel implements ActionListener {
    private Debug E=new Debug("ErrorLogPanel", false); // NOI18N
    private Debug D=E;
    
    private boolean expanded;
    private StyledDocument logListing;
    private StringBuffer buff;
    private String commandLineForm;
    private DialogDescriptor dd;
    private boolean noLogAvailable;
    private java.awt.Dimension bigDim;
    private java.awt.Dimension smallDim;
    private FileSystemCommand command; 
    private String commandDisplayName;
    private boolean noDialogs;
    private Dialog dialog;
    
    /** Creates new form ErrorLogPanel */
    public ErrorLogPanel(FileSystemCommand comm) {
//        initComponents ();
        dd = null;
        command = comm;
        commandDisplayName = null;
        noDialogs = false;
    }
    
    public ErrorLogPanel(FileSystemCommand comm, boolean showErrorDialogs) {
        this(comm);
        noDialogs = showErrorDialogs;
    }
    
    public void setCommandDisplayName(String name) {
        commandDisplayName = name;
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the FormEditor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        java.awt.GridBagConstraints gridBagConstraints;

        spLogList = new javax.swing.JScrollPane();
        tpLogList = new javax.swing.JTextPane();
        pnlMessage = new javax.swing.JPanel();
        lblMessage = new javax.swing.JLabel();
        lblCommand = new javax.swing.JLabel();

        setLayout(new java.awt.GridBagLayout());

        spLogList.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
        spLogList.setPreferredSize(new java.awt.Dimension(150, 100));
        tpLogList.setPreferredSize(new java.awt.Dimension(6, 6));
        spLogList.setViewportView(tpLogList);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 12, 11, 11);
        add(spLogList, gridBagConstraints);

        pnlMessage.setLayout(new java.awt.GridBagLayout());

        lblMessage.setLabelFor(lblCommand);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(0, 0, 5, 0);
        pnlMessage.add(lblMessage, gridBagConstraints);

        lblCommand.setLabelFor(tpLogList);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        pnlMessage.add(lblCommand, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.insets = new java.awt.Insets(12, 12, 5, 11);
        add(pnlMessage, gridBagConstraints);

    }//GEN-END:initComponents
    
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JTextPane tpLogList;
    private javax.swing.JLabel lblCommand;
    private javax.swing.JScrollPane spLogList;
    private javax.swing.JPanel pnlMessage;
    private javax.swing.JLabel lblMessage;
    // End of variables declaration//GEN-END:variables
    
    private void initAccessibility() {
        ResourceBundle bundle = NbBundle.getBundle(ErrorLogPanel.class);
        AccessibleContext context = this.getAccessibleContext();
        context.setAccessibleDescription(bundle.getString("ACSD_ErrorLogPanel"));
    }
    
    public boolean showLog() {
        if (expanded) {
            expanded = false;
            bigDim = dialog.getSize();
            spLogList.setVisible(false);
            dialog.setSize(smallDim);
            dialog.validate();
            dialog.repaint();
            return false;
        } else {
            if (logListing == null) {
                loadDocument();
            }
            expanded = true;
            smallDim = dialog.getSize();
            spLogList.setVisible(true);
            dialog.setSize(bigDim);
            dialog.validate();
            dialog.repaint();
            return true;
        }
    }
    
    private void loadDocument() {
        if (buff == null) return;
        logListing = new DefaultStyledDocument();
        AttributeSet defaultAttrSet = new SimpleAttributeSet();
        try {
            logListing.insertString(0, buff.toString(), defaultAttrSet);
            tpLogList.setDocument(logListing);
            spLogList.getVerticalScrollBar().setValue(spLogList.getVerticalScrollBar().getMaximum());
        } catch (BadLocationException exc) {
            //TODO catch what to do??
            E.err("error while loading logs"); // NOI18N
        }
    }
    
    public void setDialogDescriptor(DialogDescriptor dialogDesc) {
        dd = dialogDesc;
    }
    
    public void actionPerformed(ActionEvent evt) {
        if (dd == null) return; //sanity check - dialog descriptor needs to be set after creating the dialog descriptor - in FileSystemCommand
        Object button = evt.getSource();
        if (button.equals(btnClose)) { // NOI18N
            return;
        }
        boolean showing = showLog();
        initDialogButtons(dd, showing);
    }
    
    private JButton btnClose;
    private JButton btnLog;
    
    public void initDialogButtons(DialogDescriptor dd, boolean showing) {
        int size = 1;
        Object[] options = new Object[size];
        btnClose = new JButton(NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.closeButton")); // NOI18N
        btnClose.setMnemonic (NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.closeButton.mnemonic").charAt (0)); // NOI18N
        options[0] = btnClose; // NOI18N
        dd.setValue(btnClose);
        dd.setOptions(options);
        dd.setClosingOptions(options); // all are closing
        if (!noLogAvailable)  {
            if (showing) {
                btnLog = new JButton(NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.hideButton")); // NOI18N
                btnLog.setMnemonic (NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.hideButton.mnemonic").charAt (0)); // NOI18N
            } else {
                btnLog = new JButton(NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.logButton")); // NOI18N
                btnLog.setMnemonic (NbBundle.getBundle(ErrorLogPanel.class).getString("ErrorLogPanel.logButton.mnemonic").charAt (0)); // NOI18N
            }
            dd.setAdditionalOptions(new Object[] {btnLog});
        }
    }
    
    /**
     * this method is called after library's commands execution
     */
    public void showAfterEachExecute() {
        super.showAfterEachExecute();
    }
    
    /**
     * This is the last method to be called in the displayer.
     * Is called when the execution finishes. Any filan touchups can be made here.
     */
    public void showFinishedCommand() {
        super.showFinishedCommand();
        if (commandDisplayName != null) {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.finish", commandDisplayName); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        } else {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.finish", command.getName()); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        }
    }
    
    /**
     * this one is called when the command's execution  fails for any reason.
     */
    public void showExecutionFailed(Exception exception) {
        if (noDialogs) {
            if (commandDisplayName != null) {
                String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.failed", commandDisplayName); // NOI18N
                StatusDisplayer.getDefault().setStatusText(status);
            } else {
                String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.failed", command.getName()); // NOI18N
                StatusDisplayer.getDefault().setStatusText(status);
            }
            return;
        }
        if (commandDisplayName != null) {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.stop", commandDisplayName); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        } else {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.stop", command.getName()); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        }
        if (exception == null) {
            return;
        }
        final Exception exc = exception;
        if (exception instanceof CommandAbortedException) {
            return;
        }
        if (exception instanceof AuthenticationException) {
            javax.swing.SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    String message = exc.getLocalizedMessage();
                    NotifyDescriptor.Message excMess = new NotifyDescriptor.Message(message, NotifyDescriptor.WARNING_MESSAGE);
                    DialogDisplayer.getDefault().notify(excMess);
//                        new NotifyDescriptor.Exception(exc, exc.getLocalizedMessage()));
                }
            });
            return;
        }
        if (exception instanceof CommandException) {
           CommandException comExc = (CommandException)exc;
           if (comExc.getUnderlyingException() != null) {
               //TEMPORARY
//                    comExc.getUnderlyingException().printStackTrace();
           }
        }
        initComponents();
        initAccessibility();
        lblMessage.setText(exception.getLocalizedMessage());
        spLogList.setVisible(false);
        expanded = false;
        logListing = null;
        buff = new StringBuffer(getCurrentCommandLog());
//        buff.append("\n\n" + exception.getLocalizedMessage()); // NOI18N
        if (buff == null) noLogAvailable = true;
                    else  noLogAvailable = false;
        commandLineForm = command.getName() + " " + command.getCVSArguments(); // NOI18N
        lblCommand.setText("( " + commandLineForm + " )"); // NOI18N

        if (dd == null) {
            bigDim = new java.awt.Dimension(400, 250);
            smallDim = new java.awt.Dimension(400, 150);
            showErrorPanel();
        } else {
            javax.swing.SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    dialog = DialogDisplayer.getDefault().createDialog(dd);
                    dialog.show();
                }
            });
        }
    }
    
    /**
     * This method is the first one that is called during execution.
     * Here any initial setup of the displayer can be made.
     */
    public void showStartCommand() {
        super.showStartCommand();
        if (commandDisplayName != null) {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.start", commandDisplayName); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        } else {
            String status = NbBundle.getMessage(ErrorLogPanel.class, "FileSystemCommand.start", command.getName()); // NOI18N
            StatusDisplayer.getDefault().setStatusText(status);
        }
    }
    
    /**
     * When the library command's builder generates a FileInfoContainer object, the
     * Displayer is notified.
     * @param info - the generated information object
     */
    public void showFileInfoGenerated(org.netbeans.lib.cvsclient.command.FileInfoContainer info) {
        super.showFileInfoGenerated(info);
    }
    
    /**
     * this method is called before any of the library's commands
     * that is stored in the queue in FileSystemCommand, is run.
     * @param currentCommand shows the command that will be executed.
     */
    public void showBeforeEachExecute(org.netbeans.lib.cvsclient.command.Command currentCommand) {
        super.showBeforeEachExecute(currentCommand);
    }
    
    private void showErrorPanel() {
        String title = NbBundle.getBundle(ErrorLogPanel.class).getString("FileSystemCommand.errorMessage.title"); // NOI18N
        final DialogDescriptor ddesc = new DialogDescriptor(this, title);
        setDialogDescriptor(ddesc);
        initDialogButtons(ddesc, false);
        ddesc.setButtonListener(this);
        ddesc.setModal(false);
        javax.swing.SwingUtilities.invokeLater(new Runnable () {
            public void run () {
                dialog = DialogDisplayer.getDefault().createDialog(ddesc);
                dialog.show();
            }
        });
    }
    
    /** Get the help context for this component.
     * Subclasses should generally override this to return specific help.
     * @return the help context
     */
    public org.openide.util.HelpCtx getHelpCtx() {
//        return new HelpCtx(ErrorLogPanel.class);
        return null;
    }
    
}