/*
 *                 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 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.openide.explorer.propertysheet.editors;

import javax.swing.event.ListSelectionListener;
import javax.swing.event.ListSelectionEvent;

import org.openide.explorer.propertysheet.editors.EnhancedCustomPropertyEditor;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;

/** Custom editor for ErrorExpression property of external compilers.
 *
 * @author Jan Formanek
 */
final class ErrorExpressionPanel extends javax.swing.JPanel implements EnhancedCustomPropertyEditor {

    /** Reference to ErrorDescriptionPropertyEditor
    */
    private ExternalCompiler.ErrorExpressionEditor editor;

    static final long serialVersionUID =-2763818133650482979L;

    /** Initializes the Form
    * @param ed an ErrorDescriptionPropertyEditor instance
    */
    public ErrorExpressionPanel(ExternalCompiler.ErrorExpressionEditor ed) {
        editor = ed;
        // make a copy of the current value
        descriptions = (org.openide.compiler.ExternalCompiler.ErrorExpression)ed.getValue ();

        initComponents ();

        // localize components
        addButton.setText(getString("CTL_AddError"));
        addButton.setToolTipText(getString("CTL_AddError_tip"));
        removeButton.setText(getString("CTL_RemoveError"));
        removeButton.setToolTipText(getString("CTL_RemoveError_tip"));
        setButton.setText(getString("CTL_SetError"));
        setButton.setToolTipText(getString("CTL_SetError_tip"));
        presetNameLabel.setText(getString("CTL_Preset_label"));
        errorDescriptionLabel.setText(getString("CTL_Error_label"));
        filePositionLabel.setText(getString("CTL_File_label"));
        linePositionLabel.setText(getString("CTL_Line_label"));
        columnPositionLabel.setText(getString("CTL_Column_label"));
        descriptionPositionLabel.setText(getString("CTL_Description_label"));
        errorDescriptionsLabel.setText(getString("CTL_Descriptions"));

        addButton.setMnemonic(getString("CTL_AddError_Mnemonic").charAt(0));
        removeButton.setMnemonic(getString("CTL_RemoveError_Mnemonic").charAt(0));
        setButton.setMnemonic(getString("CTL_SetError_Mnemonic").charAt(0));
        presetNameLabel.setDisplayedMnemonic(getString("CTL_Preset_label_Mnemonic").charAt(0));
        errorDescriptionLabel.setDisplayedMnemonic(getString("CTL_Error_label_Mnemonic").charAt(0));
        filePositionLabel.setDisplayedMnemonic(getString("CTL_File_label_Mnemonic").charAt(0));
        linePositionLabel.setDisplayedMnemonic(getString("CTL_Line_label_Mnemonic").charAt(0));
        columnPositionLabel.setDisplayedMnemonic(getString("CTL_Column_label_Mnemonic").charAt(0));
        descriptionPositionLabel.setDisplayedMnemonic(getString("CTL_Description_label_Mnemonic").charAt(0));
        errorDescriptionsLabel.setDisplayedMnemonic(getString("CTL_Descriptions_Mnemonic").charAt(0));

        ListSelectionListener l = new ListSelectionListener() {
                                      public void valueChanged(ListSelectionEvent ev) {
                                          if (internalListChange) return;
                                          int sel = errorDescriptions.getSelectedIndex();
                                          if (sel < 0) return;
                                          descriptions = editor.getExpressions ()[sel];
                                          updateFields ();
                                          updateButtons ();
                                      }
                                  };
        errorDescriptions.addListSelectionListener(l);
        updateList ();
        updateFields ();
        updateButtons ();

        HelpCtx.setHelpIDString (this, ErrorExpressionPanel.class.getName ());
        
        presetNameField.getAccessibleContext().setAccessibleDescription(getString("ACSD_PresetField"));
        errorDescriptionField.getAccessibleContext().setAccessibleDescription(getString("ACSD_ErrorField"));
        filePositionField.getAccessibleContext().setAccessibleDescription(getString("ACSD_FileField"));
        linePositionField.getAccessibleContext().setAccessibleDescription(getString("ACSD_LineField"));
        columnPositionField.getAccessibleContext().setAccessibleDescription(getString("ACSD_ColumnField"));
        descriptionPositionField.getAccessibleContext().setAccessibleDescription(getString("ACSD_DescriptionField"));
        errorDescriptions.getAccessibleContext().setAccessibleDescription(getString("ACSD_DescriptionsList"));
        getAccessibleContext().setAccessibleDescription(getString("ACSD_ErrorExpressionPanel"));
    }

    /**
    * @return Returns the property value that is result of the CustomPropertyEditor.
    * @exception InvalidStateException when the custom property editor does not represent valid property value
    *            (and thus it should not be set)
    */
    public Object getPropertyValue () throws IllegalStateException {
        return descriptions;
    }

    private void updateList () {
        org.openide.compiler.ExternalCompiler.ErrorExpression[] exprs = editor.getExpressions ();
        org.openide.compiler.ExternalCompiler.ErrorExpression sel = descriptions;

        String[] strings = new String [exprs.length];
        int selIndex = -1;
        for (int i = 0; i < exprs.length; i++) {
            strings[i] = exprs[i].getName ();
            if ( sel != null && exprs[i].getName ().equals (sel.getName ()))
                selIndex = i;
        }

        internalListChange = true;
        errorDescriptions.setListData(strings);
        internalListChange = false;
        if (selIndex != -1)
            errorDescriptions.setSelectedIndex (selIndex);

    }

    private void updateFields () {
        org.openide.compiler.ExternalCompiler.ErrorExpression current = descriptions;
        if ( current == null )
            return;
        presetNameField.setText(current.getName ());
        errorDescriptionField.setText(current.getErrorExpression());
        filePositionField.setText(String.valueOf(current.getFilePos()));
        linePositionField.setText(String.valueOf(current.getLinePos()));
        columnPositionField.setText(String.valueOf(current.getColumnPos()));
        descriptionPositionField.setText(String.valueOf(current.getDescriptionPos()));
    }

    private void updateButtons () {
        boolean enabled = errorDescriptions.getSelectedIndex()!= -1;
        
        if (enabled) {
            enabled=!isReadOnly(descriptions);
        }
        removeButton.setEnabled (enabled);
        setButton.setEnabled (enabled);
        addButton.setEnabled (!"".equals (presetNameField.getText ())); // NOI18N
    }

    private boolean isReadOnly(org.openide.compiler.ExternalCompiler.ErrorExpression sel) {
        if (sel.equals(org.openide.compiler.ExternalCompiler.JAVAC))
            return true;
        if (sel.equals(org.openide.compiler.ExternalCompiler.JVC))
            return true;
        if (sel.equals(org.openide.compiler.ExternalCompiler.JIKES))
            return true;
        return false;
    }

    /** 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 Form Editor.
     */
    private void initComponents() {//GEN-BEGIN:initComponents
        jPanel1 = new javax.swing.JPanel();
        presetNameLabel = new javax.swing.JLabel();
        errorDescriptionLabel = new javax.swing.JLabel();
        filePositionLabel = new javax.swing.JLabel();
        linePositionLabel = new javax.swing.JLabel();
        columnPositionLabel = new javax.swing.JLabel();
        descriptionPositionLabel = new javax.swing.JLabel();
        errorDescriptionsLabel = new javax.swing.JLabel();
        presetNameField = new javax.swing.JTextField();
        errorDescriptionField = new javax.swing.JTextField();
        filePositionField = new javax.swing.JTextField();
        linePositionField = new javax.swing.JTextField();
        columnPositionField = new javax.swing.JTextField();
        descriptionPositionField = new javax.swing.JTextField();
        presetsScroll = new javax.swing.JScrollPane();
        errorDescriptions = new javax.swing.JList();
        jPanel2 = new javax.swing.JPanel();
        addButton = new javax.swing.JButton();
        setButton = new javax.swing.JButton();
        removeButton = new javax.swing.JButton();
        
        setLayout(new java.awt.BorderLayout(11, 0));
        
        setBorder(new javax.swing.border.EmptyBorder(new java.awt.Insets(12, 12, 0, 11)));
        jPanel1.setLayout(new java.awt.GridBagLayout());
        java.awt.GridBagConstraints gridBagConstraints2;
        
        presetNameLabel.setText("jLabel1");
        presetNameLabel.setLabelFor(presetNameField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(presetNameLabel, gridBagConstraints2);
        
        errorDescriptionLabel.setText("jLabel2");
        errorDescriptionLabel.setLabelFor(errorDescriptionField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 1;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(errorDescriptionLabel, gridBagConstraints2);
        
        filePositionLabel.setText("jLabel3");
        filePositionLabel.setLabelFor(filePositionField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 2;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(filePositionLabel, gridBagConstraints2);
        
        linePositionLabel.setText("jLabel4");
        linePositionLabel.setLabelFor(linePositionField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 3;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(linePositionLabel, gridBagConstraints2);
        
        columnPositionLabel.setText("jLabel5");
        columnPositionLabel.setLabelFor(columnPositionField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 4;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(columnPositionLabel, gridBagConstraints2);
        
        descriptionPositionLabel.setText("jLabel6");
        descriptionPositionLabel.setLabelFor(descriptionPositionField);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 5;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 12);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(descriptionPositionLabel, gridBagConstraints2);
        
        errorDescriptionsLabel.setText("jLabel7");
        errorDescriptionsLabel.setLabelFor(errorDescriptions);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 6;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 2, 0);
        gridBagConstraints2.anchor = java.awt.GridBagConstraints.WEST;
        jPanel1.add(errorDescriptionsLabel, gridBagConstraints2);
        
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 0;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(presetNameField, gridBagConstraints2);
        
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 1;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(errorDescriptionField, gridBagConstraints2);
        
        filePositionField.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 2;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(filePositionField, gridBagConstraints2);
        
        linePositionField.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 3;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(linePositionField, gridBagConstraints2);
        
        columnPositionField.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 4;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(columnPositionField, gridBagConstraints2);
        
        descriptionPositionField.setHorizontalAlignment(javax.swing.JTextField.RIGHT);
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 1;
        gridBagConstraints2.gridy = 5;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints2.insets = new java.awt.Insets(0, 0, 5, 0);
        jPanel1.add(descriptionPositionField, gridBagConstraints2);
        
        presetsScroll.setPreferredSize(new java.awt.Dimension(300, 200));
        errorDescriptions.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                errorDescriptionsMouseClicked(evt);
            }
        });
        
        presetsScroll.setViewportView(errorDescriptions);
        
        gridBagConstraints2 = new java.awt.GridBagConstraints();
        gridBagConstraints2.gridx = 0;
        gridBagConstraints2.gridy = 7;
        gridBagConstraints2.gridwidth = java.awt.GridBagConstraints.REMAINDER;
        gridBagConstraints2.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints2.weightx = 1.0;
        gridBagConstraints2.weighty = 1.0;
        jPanel1.add(presetsScroll, gridBagConstraints2);
        
        add(jPanel1, java.awt.BorderLayout.CENTER);
        
        jPanel2.setLayout(new java.awt.GridBagLayout());
        java.awt.GridBagConstraints gridBagConstraints3;
        
        addButton.setText("jButton1");
        addButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addButtonActionPerformed(evt);
            }
        });
        
        gridBagConstraints3 = new java.awt.GridBagConstraints();
        gridBagConstraints3.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints3.insets = new java.awt.Insets(0, 0, 5, 0);
        gridBagConstraints3.anchor = java.awt.GridBagConstraints.NORTH;
        jPanel2.add(addButton, gridBagConstraints3);
        
        setButton.setText("jButton2");
        setButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                setButtonActionPerformed(evt);
            }
        });
        
        gridBagConstraints3 = new java.awt.GridBagConstraints();
        gridBagConstraints3.gridx = 0;
        gridBagConstraints3.gridy = 1;
        gridBagConstraints3.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints3.insets = new java.awt.Insets(0, 0, 5, 0);
        gridBagConstraints3.anchor = java.awt.GridBagConstraints.NORTH;
        jPanel2.add(setButton, gridBagConstraints3);
        
        removeButton.setText("jButton3");
        removeButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                removeButtonActionPerformed(evt);
            }
        });
        
        gridBagConstraints3 = new java.awt.GridBagConstraints();
        gridBagConstraints3.gridx = 0;
        gridBagConstraints3.gridy = 2;
        gridBagConstraints3.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints3.anchor = java.awt.GridBagConstraints.NORTH;
        gridBagConstraints3.weighty = 1.0;
        jPanel2.add(removeButton, gridBagConstraints3);
        
        add(jPanel2, java.awt.BorderLayout.EAST);
        
    }//GEN-END:initComponents

    private void removeButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_removeButtonActionPerformed
        synchronized (editor) {
            java.util.Collection exprs = editor.getExpressionsVector ();
            int pos = errorDescriptions.getSelectedIndex ();
            exprs.remove (descriptions);
            if (pos >= exprs.size ()) pos = exprs.size () - 1;
            if (pos >= 0) {
                descriptions = editor.getExpressions ()[pos];
            } else
                descriptions = null;
            updateList ();
        }
    }//GEN-LAST:event_removeButtonActionPerformed

    private void setButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_setButtonActionPerformed
        if ("".equals (presetNameField.getText ())) // NOI18N
            return;
        org.openide.compiler.ExternalCompiler.ErrorExpression expr = descriptions;
        int fPos = 0;
        int lPos = 0;
        int cPos = 0;
        int dPos = 0;
        try {
            fPos = Integer.parseInt (filePositionField.getText ());
            lPos = Integer.parseInt (linePositionField.getText ());
            cPos = Integer.parseInt (columnPositionField.getText ());
            dPos = Integer.parseInt (descriptionPositionField.getText ());
        } catch (NumberFormatException ex) { // ignored
            return; // [PENDING - notify user]
        }
        expr.setName(presetNameField.getText());
        expr.setErrorExpression(errorDescriptionField.getText());
        expr.setFilePos(fPos);
        expr.setLinePos(lPos);
        expr.setColumnPos(cPos);
        expr.setDescriptionPos(dPos);
        updateList ();
    }//GEN-LAST:event_setButtonActionPerformed

    private void addButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addButtonActionPerformed
        if ("".equals (presetNameField.getText ())) // NOI18N
            return;
        org.openide.compiler.ExternalCompiler.ErrorExpression[] exprsAr = editor.getExpressions ();
        for (int i = 0; i < exprsAr.length; i++)
            if (exprsAr[i].getName ().equals (presetNameField.getText ()))
                return;

        org.openide.compiler.ExternalCompiler.ErrorExpression expr = null;
        try {
            expr = new org.openide.compiler.ExternalCompiler.ErrorExpression (
                       presetNameField.getText (),
                       errorDescriptionField.getText (),
                       Integer.parseInt (filePositionField.getText ()),
                       Integer.parseInt (linePositionField.getText ()),
                       Integer.parseInt (columnPositionField.getText ()),
                       Integer.parseInt (descriptionPositionField.getText ())
                   );
        } catch (NumberFormatException ex) { // ignored
            return; // [PENDING - notify user]
        }
        synchronized (editor) {
            java.util.Collection exprs = editor.getExpressionsVector ();
            int pos = errorDescriptions.getSelectedIndex ();
            exprs.add (expr);
            descriptions = expr;
            updateList ();
        }
    }//GEN-LAST:event_addButtonActionPerformed

    private void errorDescriptionsMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_errorDescriptionsMouseClicked
        // Add your handling code here:
        //    int index = errorDescriptions.locationToIndex(evt.getPoint());
        //    setSelected(index);
    }//GEN-LAST:event_errorDescriptionsMouseClicked


    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JPanel jPanel1;
    private javax.swing.JLabel presetNameLabel;
    private javax.swing.JLabel errorDescriptionLabel;
    private javax.swing.JLabel filePositionLabel;
    private javax.swing.JLabel linePositionLabel;
    private javax.swing.JLabel columnPositionLabel;
    private javax.swing.JLabel descriptionPositionLabel;
    private javax.swing.JLabel errorDescriptionsLabel;
    private javax.swing.JTextField presetNameField;
    private javax.swing.JTextField errorDescriptionField;
    private javax.swing.JTextField filePositionField;
    private javax.swing.JTextField linePositionField;
    private javax.swing.JTextField columnPositionField;
    private javax.swing.JTextField descriptionPositionField;
    private javax.swing.JScrollPane presetsScroll;
    private javax.swing.JList errorDescriptions;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JButton addButton;
    private javax.swing.JButton setButton;
    private javax.swing.JButton removeButton;
    // End of variables declaration//GEN-END:variables

    private org.openide.compiler.ExternalCompiler.ErrorExpression descriptions;
    private boolean internalListChange = false;

    /** Getter for resource string.
    */
    private static String getString (String res) {
        return NbBundle.getBundle (ErrorExpressionPanel.class).getString (res);
    }
}