Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdevelop@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 400 insertions, 0 deletions

diff --git a/parts/texttools/texttoolswidget.cpp b/parts/texttools/texttoolswidget.cpp
new file mode 100644
index 00000000..ff85d0f0
--- /dev/null
+++ b/parts/texttools/texttoolswidget.cpp
@@ -0,0 +1,400 @@
+/***************************************************************************
+ *   Copyright (C) 2002 by Bernd Gehrmann                                  *
+ *   bernd@kdevelop.org                                                    *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "texttoolswidget.h"
+
+#include <qheader.h>
+#include <qregexp.h>
+#include <qtimer.h>
+#include <kdebug.h>
+#include <klocale.h>
+#include <kparts/part.h>
+#include <kpopupmenu.h>
+#include <ktexteditor/viewcursorinterface.h>
+#include <ktexteditor/selectioninterface.h>
+#include <ktexteditor/editinterface.h>
+
+#include "kdevmainwindow.h"
+#include "kdevpartcontroller.h"
+#include "texttoolspart.h"
+
+
+class TextStructItem : public QListViewItem
+{
+public:
+    TextStructItem(QListView *parent)
+        : QListViewItem(parent)
+    {}
+    TextStructItem(QListViewItem *parent)
+        : QListViewItem(parent)
+    {
+        QListViewItem *item = this;
+        while (item->nextSibling())
+            item = item->nextSibling();
+        if (item != this)
+            moveItem(item);
+    }
+    
+    QString text(int) const
+    {
+        return extra.isNull()? tag : QString("%1: %2").arg(tag).arg(extra);
+    }
+    TextStructItem *parentStructItem()
+    { return static_cast<TextStructItem*>(parent()); }
+    
+    QString tag;
+    QString extra;
+    int pos;
+    int endpos;
+};
+
+
+TextToolsWidget::TextToolsWidget(TextToolsPart *part, QWidget *parent, const char *name)
+    : KListView(parent, name)
+{
+    setResizeMode(QListView::LastColumn);
+    setSorting(-1);
+    header()->hide();
+    addColumn(QString::null);
+
+    m_part = part;
+
+    m_timer = new QTimer(this);
+    connect( this, SIGNAL(mouseButtonPressed(int, QListViewItem*, const QPoint&, int)),
+             this, SLOT(slotItemPressed(int,QListViewItem*)) );
+    //    connect( this, SIGNAL(doubleClicked(QListViewItem*)),
+    //             this, SLOT(slotItemPressed(int,QListViewItem*)) );
+    connect( this, SIGNAL(returnPressed(QListViewItem*)),
+             this, SLOT(slotReturnPressed(QListViewItem*)) );
+    connect( this, SIGNAL(contextMenu(KListView*, QListViewItem*, const QPoint&)),
+             this, SLOT(slotContextMenu(KListView*, QListViewItem*, const QPoint&)) );
+}
+
+
+TextToolsWidget::~TextToolsWidget()
+{}
+
+
+void TextToolsWidget::slotItemPressed(int button, QListViewItem *item)
+{
+    if (!item)
+        return;
+
+    TextStructItem *tsitem = static_cast<TextStructItem*>(item);
+    int searchedPos = tsitem->pos;
+    int searchedEndpos = tsitem->endpos;
+    kdDebug(9030) << "Searched pos " << searchedPos << ", " << searchedEndpos << endl;
+    
+    int endline = 0;
+    int endcol = 0;
+    int line = 0;
+    int col = 0;
+
+    int len = m_cachedText.length();
+    int pos = 0;
+    while (pos < len) {
+        if (pos == searchedPos) {
+            line = endline;
+            col = endcol;
+        }
+        if (pos == searchedEndpos)
+            break;
+        QChar ch = m_cachedText[pos];
+        if (ch == '\n') {
+            ++endline;
+            endcol = 0;
+        } else {
+            ++endcol;
+        }
+        ++pos;
+    }
+
+    KParts::Part *rwpart
+        = dynamic_cast<KParts::Part*>(m_part->partController()->activePart());
+    QWidget *view = m_part->partController()->activeWidget();
+
+    KTextEditor::ViewCursorInterface *cursorIface
+        = dynamic_cast<KTextEditor::ViewCursorInterface*>(view);
+    if (cursorIface) {
+        kdDebug(9030) << "set cursor " << line << ", " << col << endl;
+        cursorIface->setCursorPosition(line, col);
+    }
+    
+    if (button == MidButton) {
+        KTextEditor::SelectionInterface *selectionIface
+            = dynamic_cast<KTextEditor::SelectionInterface*>(rwpart);
+        if (selectionIface) {
+            kdDebug(9030) << "set selection " << line << ", " << col
+                      << ", " << endline << ", " << endcol << endl;
+            selectionIface->setSelection((int)line, (int)col, (int)endline, (int)endcol+1);
+        }
+    }
+
+    m_part->mainWindow()->lowerView(this);
+}
+
+
+void TextToolsWidget::slotReturnPressed(QListViewItem *item)
+{
+    slotItemPressed(LeftButton, item);
+}
+
+
+void TextToolsWidget::slotContextMenu(KListView *, QListViewItem *item, const QPoint &)
+{
+    if (!item)
+        return;
+
+#if 0
+    KPopupMenu popup(i18n("Text Structure"), this);
+    popup.exec(p);
+#endif
+}
+
+
+void TextToolsWidget::stop()
+{
+    disconnect( m_timer );
+    m_relevantTags.clear();
+    m_emptyTags.clear();
+    m_cachedText = QString::null;
+}
+
+
+void TextToolsWidget::setMode(Mode mode, KParts::Part *part)
+{
+    connect( part, SIGNAL(textChanged()),
+             this, SLOT(startTimer()) );
+    m_editIface = dynamic_cast<KTextEditor::EditInterface*>(part);
+    
+    switch (mode) {
+    case HTML:
+        m_relevantTags << "h1" << "h2" << "h3" << "h4"
+                       << "table" << "tr";
+        m_emptyTags << "br" << "hr" << "img" << "input" << "p" << "meta";
+        
+        connect( m_timer, SIGNAL(timeout()),
+                 this, SLOT(parseXML()) );
+        break;
+    case Docbook:
+        m_relevantTags << "chapter" << "sect1" << "sect2"
+                       << "para" << "formalpara";
+        connect( m_timer, SIGNAL(timeout()),
+                 this, SLOT(parseXML()) );
+        break;
+    case LaTeX:
+        connect( m_timer, SIGNAL(timeout()),
+                 this, SLOT(parseLaTeX()) );
+        break;
+    default: ;
+    }
+
+    m_timer->start(0, true);
+}
+
+
+void TextToolsWidget::startTimer()
+{
+    kdDebug(9030) << "Starting parse timer" << endl;
+    m_timer->start(1000, true);
+}
+
+
+void TextToolsWidget::parseXML()
+{
+    kdDebug(9030) << "Starting to parse XML" << endl;
+    clear();
+    QString text = m_editIface->text();
+    m_cachedText = text;
+
+    TextStructItem *currentItem = new TextStructItem(this);
+    currentItem->tag = "Root";
+    currentItem->pos = -1;
+    currentItem->endpos = -1;
+    
+    int len = text.length();
+    for (int pos=0; pos+1 < len; ++pos) {
+        QChar ch1 = text[pos];
+        QChar ch2 = text[pos+1];
+
+        if (ch1 == '<' && ch2 == '?') {
+            
+            // PHP and other similar stuff
+            QString tag;
+            int endpos = pos+2;
+            bool foundspace = false;
+            while (endpos+1 < len) {
+                QChar ch3 = text[endpos];
+                QChar ch4 = text[endpos+1];
+                if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
+                    tag = text.mid(pos+2, endpos-pos-2).lower();
+                    foundspace = true;
+                } else if (ch3 == '?' && ch4 == '>') {
+                    if (!foundspace)
+                        tag = text.mid(pos+2, endpos-pos-2).lower();
+                    break;
+                }
+                ++endpos;
+            }
+
+            TextStructItem *item = new TextStructItem(currentItem);
+            item->tag = "<?" + tag + "?>";
+            item->pos = pos;
+            item->endpos = endpos+1;
+
+            pos = endpos+1;
+            
+        } else  if (ch1 == '<' && ch2 == '!') {
+            
+            // Processing instructions like !DOCTYPE
+            QString tag;
+            int endpos = pos+2;
+            bool foundspace = false;
+            while (endpos+1 < len) {
+                QChar ch3 = text[endpos];
+                if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
+                    tag = text.mid(pos+2, endpos-pos-2).lower();
+                    foundspace = true;
+                } else if (ch3 == '>') {
+                    if (!foundspace)
+                        tag = text.mid(pos+2, endpos-pos-2).lower();
+                    break;
+                }
+                ++endpos;
+            }
+
+            TextStructItem *item = new TextStructItem(currentItem);
+            item->tag = "<!" + tag + ">";
+            item->pos = pos;
+            item->endpos = endpos+1;
+
+            pos = endpos+1;
+            
+        } else if (ch1 == '<' && ch2 == '/') {
+
+            QString tag;
+            int endpos = pos+2;
+            while (endpos < len) {
+                QChar ch3 = text[endpos];
+                if (ch3 == '>') {
+                    tag = text.mid(pos+2, endpos-pos-2).lower();
+                    break;
+                }
+                ++endpos;
+            }
+
+            if (!m_relevantTags.contains(tag)) {
+                pos = endpos;
+                continue;
+            }
+            
+            TextStructItem *closingItem = currentItem;
+            while (closingItem->parent() && closingItem->tag != tag)
+                closingItem = closingItem->parentStructItem();
+            if (closingItem->parent()) {
+                closingItem->endpos = endpos;
+                currentItem = closingItem->parentStructItem();
+            } else {
+                kdDebug(9030) << "found no opening tag " << tag << "." << endl;
+            }
+            
+            pos = endpos;
+            
+        } else if (ch1 == '<') {
+
+            QString tag;
+            int endpos = pos+1;
+            bool foundspace = false;
+            while (endpos < len) {
+                QChar ch3 = text[endpos];
+                if ((ch3 == ' ' || ch3 == '\t' || ch3 == '\n') && !foundspace) {
+                    tag = text.mid(pos+1, endpos-pos-1).lower();
+                    foundspace = true;
+                } else if (ch3 == '>') {
+                    if (!foundspace) {
+                        tag = text.mid(pos+1, endpos-pos-1).lower();
+                    }
+                    break;
+                }
+                ++endpos;
+            }
+
+            if (!m_relevantTags.contains(tag)) {
+                pos = endpos;
+                continue;
+            }
+
+            TextStructItem *item = new TextStructItem(currentItem);
+            item->tag = tag;
+            item->pos = pos;
+            item->endpos = -1;
+
+            if (m_emptyTags.contains(tag))
+                item->endpos = endpos;
+            else
+                currentItem = item;
+            pos = endpos;
+
+        }
+    }
+
+    //    firstChild()->setOpen(true);
+    QListViewItemIterator it(this);
+    for (; it.current(); ++it)
+        it.current()->setOpen(true);
+}
+
+
+void TextToolsWidget::parseLaTeX()
+{
+    kdDebug(9030) << "Starting to parse LaTeX" << endl;
+    clear();
+    QString text = m_editIface->text();
+    m_cachedText = text;
+
+    TextStructItem *currentItem = new TextStructItem(this);
+    currentItem->tag = "Root";
+    currentItem->pos = -1;
+    currentItem->endpos = -1;
+
+    QString hierarchyLevels = "Root,chapter,section,subsection,subsubsection";
+    QRegExp re("\n[ \t]*s*\\\\(chapter|section|subsection|subsubsection)\\{([^}]*)\\}");
+    
+    int pos=0;
+    for (;;) {
+        pos = re.search(text, pos);
+        if (pos == -1)
+            break;
+        QString tag = re.cap(1);
+        QString title = re.cap(2);
+        kdDebug(9030) << "Match with " << tag << " and title " << title << endl;
+        int level = hierarchyLevels.find(tag);
+        while (currentItem->parent() && level <= hierarchyLevels.find(currentItem->tag))
+            currentItem = currentItem->parentStructItem();
+        
+        TextStructItem *item = new TextStructItem(currentItem);
+        item->tag = tag;
+        item->extra = title;
+        item->pos = pos+1;
+        item->endpos = pos+re.matchedLength()-1; // lie
+
+        if (level > hierarchyLevels.find(currentItem->tag))
+            currentItem = item;
+
+        pos = pos+re.matchedLength();
+    }
+
+    QListViewItemIterator it(this);
+    for (; it.current(); ++it)
+        it.current()->setOpen(true);
+}
+
+#include "texttoolswidget.moc"