import org.netbeans.modules.versioning.history.AbstractSummaryView.LogEntry;

import org.netbeans.modules.versioning.util.VCSHyperlinkSupport.IssueLinker;

import org.openide.util.Exceptions;

    /**

     * Composite panel for displaying revision, author, commit message and other

     * info.

     */

    public class RevisionItemCell extends JPanel {

        private JTextPane authorControl;

        private JTextPane dateControl;

        private JTextPane revisionControl;

        private JTextPane commitMessageControl;

        private JPanel northPanel;

        private JPanel authorDatePanel;

        public RevisionItemCell () {

            northPanel = new javax.swing.JPanel();

            authorDatePanel = new javax.swing.JPanel();

            dateControl = new JTextPane();

            authorControl = new JTextPane();

            revisionControl = new JTextPane();

            commitMessageControl = new JTextPane();

            this.setBorder(null);

            this.setLayout(new BorderLayout(0, 0));

            this.add(commitMessageControl, java.awt.BorderLayout.CENTER);

            this.add(northPanel, java.awt.BorderLayout.NORTH);

            initTextPane(dateControl);

            initTextPane(authorControl);

            initTextPane(revisionControl);

            initTextPane(commitMessageControl);

            northPanel.setBorder(BorderFactory.createEmptyBorder());

            northPanel.setLayout(new BorderLayout(5, 0));

            northPanel.add(authorDatePanel, java.awt.BorderLayout.EAST);

            northPanel.add(revisionControl, java.awt.BorderLayout.CENTER);

            authorDatePanel.setLayout(new BorderLayout(5, 0));

            authorDatePanel.setBorder(BorderFactory.createEmptyBorder());

            authorDatePanel.add(authorControl, BorderLayout.CENTER);

            authorDatePanel.add(dateControl, BorderLayout.EAST);

            northPanel.setOpaque(false);

            revisionControl.setOpaque(false);

            dateControl.setOpaque(false);

            authorControl.setOpaque(false);

            commitMessageControl.setOpaque(false);

            authorDatePanel.setOpaque(false);

            this.setFocusable(false);

            northPanel.setFocusable(false);

            authorDatePanel.setFocusable(false);

        }

        public JTextPane getAuthorControl () {

            return authorControl;

        }

        public JTextPane getDateControl () {

            return dateControl;

        }

        public JTextPane getRevisionControl () {

            return revisionControl;

        }

        public JTextPane getCommitMessageControl () {

            return commitMessageControl;

        }

        public JPanel getNorthPanel () {

            return northPanel;

        }

        public void initTextPane (JTextPane pane) {

            pane.setBorder(null);

            pane.setLayout(null);

            //fix for nimbus laf

            pane.setOpaque(false);

            pane.setBackground(new Color(0, 0, 0, 0));

        }

    }

        private void addRevision (JTextPane pane, RevisionItem item, boolean selected, Collection<SearchHighlight> highlights) throws BadLocationException {

            StyledDocument sd = pane.getStyledDocument();

            // clear document

            clearSD(pane, sd);

            Style selectedStyle = createSelectedStyle(pane);

            Style normalStyle = createNormalStyle(pane);

            Style hiliteStyle = createHiliteStyleStyle(pane, normalStyle, searchHiliteAttrs);

            Style style;

            if (selected) {

                style = selectedStyle;

            } else {

                style = normalStyle;

            }

            // add revision

            sd.insertString(0, item.getUserData().getRevision(), style);

            if (!selected) {

                for (AbstractSummaryView.LogEntry.RevisionHighlight highlight : item.getUserData().getRevisionHighlights()) {

                    Style s = pane.addStyle(null, normalStyle);

                    StyleConstants.setForeground(s, highlight.getForeground());

                    StyleConstants.setBackground(s, highlight.getBackground());

                    sd.setCharacterAttributes(highlight.getStart(), highlight.getLength(), s, false);

                }

                for (SearchHighlight highlight : highlights) {

                    if (highlight.getKind() == SearchHighlight.Kind.REVISION) {

                        int doclen = sd.getLength();

                        String highlightMessage = highlight.getSearchText();

                        String revisionText = item.getUserData().getRevision().toLowerCase();

                        int idx = revisionText.indexOf(highlightMessage);

                        if (idx > -1) {

                            sd.setCharacterAttributes(doclen - revisionText.length() + idx, highlightMessage.length(), hiliteStyle, false);

                        }

                    }

                }

            }

        }

        private void addAuthor (JTextPane pane, RevisionItem item, boolean selected, Collection<SearchHighlight> highlights) throws BadLocationException {

            LogEntry entry = item.getUserData();

            StyledDocument sd = pane.getStyledDocument();

            clearSD(pane, sd);

            Style selectedStyle = createSelectedStyle(pane);

            Style normalStyle = createNormalStyle(pane);

            Style style;

            if (selected) {

                style = selectedStyle;

            } else {

                style = normalStyle;

            }

            Style authorStyle = createAuthorStyle(pane, normalStyle);

            Style hiliteStyle = createHiliteStyleStyle(pane, normalStyle, searchHiliteAttrs);

            String author = entry.getAuthor();

            VCSHyperlinkSupport.StyledDocumentHyperlink l = linkerSupport.getLinker(VCSHyperlinkSupport.AuthorLinker.class, id);

            if (l == null) {

                VCSKenaiAccessor.KenaiUser kenaiUser = getKenaiUser(author);

                if (kenaiUser != null) {

                    l = new VCSHyperlinkSupport.AuthorLinker(kenaiUser, authorStyle, sd, author);

                    linkerSupport.add(l, id);

                }

            }

            int pos = sd.getLength();

            if (l != null) {

                l.insertString(sd, selected ? style : null);

            } else {

                sd.insertString(sd.getLength(), author, style);

            }

            if (!selected) {

                for (SearchHighlight highlight : highlights) {

                    if (highlight.getKind() == SearchHighlight.Kind.AUTHOR) {

                        int doclen = sd.getLength();

                        String highlightMessage = highlight.getSearchText();

                        String authorText = sd.getText(pos, doclen - pos).toLowerCase();

                        int idx = authorText.indexOf(highlightMessage);

                        if (idx > -1) {

                            sd.setCharacterAttributes(doclen - authorText.length() + idx, highlightMessage.length(), hiliteStyle, false);

                        }

                    }

                }

            }

        }

        private void addDate (JTextPane pane, RevisionItem item, boolean selected, Collection<SearchHighlight> highlights) throws BadLocationException {

            LogEntry entry = item.getUserData();

            StyledDocument sd = pane.getStyledDocument();

            // clear document

            clearSD(pane, sd);

            Style selectedStyle = createSelectedStyle(pane);

            Style normalStyle = createNormalStyle(pane);

            Style style;

            if (selected) {

                style = selectedStyle;

            } else {

                style = normalStyle;

            }

            // add date

            sd.insertString(sd.getLength(), entry.getDate(), style);

        }

        private void addCommitMessage (JTextPane pane, RevisionItem item, boolean selected, Collection<SearchHighlight> highlights) throws BadLocationException {

            LogEntry entry = item.getUserData();

            StyledDocument sd = pane.getStyledDocument();

            clearSD(pane, sd);

            Style selectedStyle = createSelectedStyle(pane);

            Style normalStyle = createNormalStyle(pane);

            Style linkStyle = createLinkStyle(pane, normalStyle);

            Style hiliteStyle = createHiliteStyleStyle(pane, normalStyle, searchHiliteAttrs);

            Style issueHyperlinkStyle = createIssueHyperlinkStyle(pane, normalStyle);

            Style style;

            if (selected) {

                style = selectedStyle;

            } else {

                style = normalStyle;

            }

            boolean messageChanged = !entry.getMessage().equals(commitMessage);

            commitMessage = entry.getMessage();

            if (commitMessage.endsWith("\n")) {

                commitMessage = commitMessage.substring(0, commitMessage.length() - 1); //NOI18N

            }

            int nlc;

            int i;

            for (i = 0, nlc = -1; i != -1; i = commitMessage.indexOf('\n', i + 1), nlc++);

            if (nlc > 0 && !item.messageExpanded) {

                commitMessage = commitMessage.substring(0, commitMessage.indexOf("\n")); //NOI18N

            }

            int pos = 0;

            IssueLinker l = linkerSupport.getLinker(VCSHyperlinkSupport.IssueLinker.class, id);

            if (messageChanged) {

                lastWidth = -1;

                if (l != null) {

                    // must reinitialize issue linker to paint the new message

                    linkerSupport.remove(l, id);

                    l = null;

                }

            }

            if (l == null) {

                for (VCSHyperlinkProvider hp : getHyperlinkProviders()) {

                    l = VCSHyperlinkSupport.IssueLinker.create(hp, issueHyperlinkStyle, summaryView.getRoot(), sd, commitMessage);

                    if (l != null) {

                        linkerSupport.add(l, id);

                        break; // get the first one

                    }

                }

            }

            if (l != null) {

                l.insertString(sd, style);

            } else {

                sd.insertString(sd.getLength(), commitMessage, style);

            }

            MessageTooltip mtt = linkerSupport.getLinker(MessageTooltip.class, id);

            if (messageChanged) {

                linkerSupport.remove(mtt, id);

                mtt = null;

            }

            if (mtt == null) {

                linkerSupport.add(new MessageTooltip(entry.getMessage(), pos, sd.getLength()), id);

            }

            int lineEnd = sd.getText(pos, sd.getLength() - pos).indexOf("\n");

            if (lineEnd == -1) {

                lineEnd = sd.getLength() - pos;

            }

            Style s = pane.addStyle(null, style);

            StyleConstants.setBold(s, true);

            sd.setCharacterAttributes(pos, lineEnd, s, false);

            int msglen = commitMessage.length();

            int doclen = sd.getLength();

            if (nlc > 0 && !item.messageExpanded) {

                ExpandMsgHyperlink el = linkerSupport.getLinker(ExpandMsgHyperlink.class, id);

                if (el == null) {

                    el = new ExpandMsgHyperlink(item, sd.getLength(), id);

                    linkerSupport.add(el, id);

                }

                el.insertString(sd, linkStyle);

            }

            if (!selected) {

                for (SearchHighlight highlight : highlights) {

                    if (highlight.getKind() == SearchHighlight.Kind.MESSAGE) {

                        String highlightMessage = highlight.getSearchText();

                        int idx = commitMessage.toLowerCase().indexOf(highlightMessage);

                        if (idx == -1) {

                            if (nlc > 0 && !item.messageExpanded && entry.getMessage().toLowerCase().contains(highlightMessage)) {

                                sd.setCharacterAttributes(doclen, sd.getLength(), hiliteStyle, false);

                            }

                        } else {

                            sd.setCharacterAttributes(doclen - msglen + idx, highlightMessage.length(), hiliteStyle, false);

                        }

                    }

                }

            }

            if (selected) {

                sd.setCharacterAttributes(0, Integer.MAX_VALUE, style, false);

            }

        }

        private Style createNormalStyle (JTextPane textPane) {

            Style normalStyle = textPane.addStyle("normal", null); //NOI18N

            StyleConstants.setForeground(normalStyle, UIManager.getColor("List.foreground")); //NOI18N

            return normalStyle;

        }

        private Style createIssueHyperlinkStyle (JTextPane textPane, Style normalStyle) {

            Style issueHyperlinkStyle = textPane.addStyle("issuehyperlink", normalStyle); //NOI18N

            StyleConstants.setForeground(issueHyperlinkStyle, Color.BLUE);

            StyleConstants.setUnderline(issueHyperlinkStyle, true);

            return issueHyperlinkStyle;

        }

        private Style createAuthorStyle (JTextPane textPane, Style normalStyle) {

            Style authorStyle = textPane.addStyle("author", normalStyle); //NOI18N

            StyleConstants.setForeground(authorStyle, Color.BLUE);

            return authorStyle;

        }

        private Style createLinkStyle (JTextPane textPane, Style normalStyle) {

            Style linkStyle = textPane.addStyle("link", normalStyle); //NOI18N

            StyleConstants.setForeground(linkStyle, Color.BLUE);

            StyleConstants.setBold(linkStyle, true);

            return linkStyle;

        }

        private Style createNoindentStyle (JTextPane textPane) {

            Style noindentStyle = textPane.addStyle("noindent", null); //NOI18N

            StyleConstants.setLeftIndent(noindentStyle, 0);

            return noindentStyle;

        }

        private Style createSelectedStyle (JTextPane textPane) {

            Style selectedStyle = textPane.addStyle("selected", null); //NOI18N

            StyleConstants.setForeground(selectedStyle, selectionForeground);

            StyleConstants.setBackground(selectedStyle, selectionBackground);

            return selectedStyle;

        }

        private Style createHiliteStyleStyle (JTextPane textPane, Style normalStyle, AttributeSet searchHiliteAttrs) {

            Style hiliteStyle = textPane.addStyle("hilite", normalStyle); //NOI18N

            Color c = (Color) searchHiliteAttrs.getAttribute(StyleConstants.Background);

            if (c != null) {

                StyleConstants.setBackground(hiliteStyle, c);

            }

            c = (Color) searchHiliteAttrs.getAttribute(StyleConstants.Foreground);

            if (c != null) {

                StyleConstants.setForeground(hiliteStyle, c);

            }

            return hiliteStyle;

        }

        private void clearSD (JTextPane pane, StyledDocument sd) {

            try {

                Style noindentStyle = createNoindentStyle(pane);

                sd.remove(0, sd.getLength());

                sd.setParagraphAttributes(0, sd.getLength(), noindentStyle, false);

            } catch (BadLocationException ex) {

                Exceptions.printStackTrace(ex);

            }

        }

                // NOTE the textPane is positioned within a parent panel so the relative bound has to be modified too

                // FIXME this is an ugly hack because the public API of org.netbeans.modules.versioning.util.VCSHyperlinkSupport should stay stable

                // SOLUTION: add parameter 'rootPane' to the computeBounds method and translate from bottom to top of the component hiearchy

                bounds.translate(textPane.getX(), textPane.getY());

                bounds.translate(textPane.getParent().getX(), textPane.getParent().getY());

                    //NOTE the textPane is positioned within a parent panel so the origin has to be modified too

                    this.bounds[i].translate(textPane.getX(), textPane.getY());