Added old abandoned KDE3 version of koffice

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 154 insertions, 0 deletions

diff --git a/lib/kotext/KoTextIterator.h b/lib/kotext/KoTextIterator.h
new file mode 100644
index 00000000..40934a18
--- /dev/null
+++ b/lib/kotext/KoTextIterator.h
@@ -0,0 +1,154 @@
+/* This file is part of the KDE project
+   Copyright (C) 2002 David Faure <faure@kde.org>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License version 2 as published by the Free Software Foundation.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+#ifndef KOTEXTITERATOR_H
+#define KOTEXTITERATOR_H
+
+#include <qvaluelist.h>
+#include <qstring.h>
+#include <qpair.h>
+#include <qobject.h>
+#include <koffice_export.h>
+class KoTextParag;
+class KoTextObject;
+class KoTextView;
+
+/**
+ * A convenient way to iterate over paragraphs, possibly in multiple textobjects,
+ * with many options (from cursor, backwards, in selection).
+ * @short General purpose paragraph iterator
+ */
+class KOTEXT_EXPORT KoTextIterator : public QObject
+{
+    Q_OBJECT
+public:
+    /**
+     * @param lstObjects list of text objects to iterate over
+     * @param textView view in which the objects live
+     * @param options see KFindDialog
+     */
+    KoTextIterator( const QValueList<KoTextObject *> & lstObjects, KoTextView* textView, int options ) {
+        init( lstObjects, textView, options );
+    }
+    void init( const QValueList<KoTextObject *> & lstObjects, KoTextView* textView, int options );
+
+    /**
+     * Restart from the beginning - assumes same parameters given to init
+     */
+    void restart();
+
+    /**
+     * Change options during iteration. ## Not sure how if all cases will be handled :}
+     * At least this is useful for the "Replace All" button during replacing,
+     * and for switching to "FindBackwards" temporarily for "find previous".
+     */
+    void setOptions( int options );
+
+    /**
+     * Return the options currently used by the iterator.
+     */
+    int options() const { return m_options; }
+
+    /**
+     * Go to next paragraph that we must iterate over
+     */
+    void operator++();
+
+    /**
+     * @return true if we have iterated over all paragraphs
+     */
+    bool atEnd() const;
+
+    /**
+     * @return true if currentText() isn't empty. The implementation is
+     * faster than calling currentText().isEmpty() though.
+     */
+    bool hasText() const;
+
+    /**
+     * @return the string at the current position of the iterator
+     */
+    QString currentText() const;
+
+    /**
+     * @return the string at the current position of the iterator
+     */
+    KoTextParag* currentParag() const { return m_currentParag; }
+
+    /**
+     * @return the text object in which @ref currentParag() is.
+     */
+    KoTextObject* currentTextObject() const { return *m_currentTextObj; }
+
+    /**
+     * Where in @ref currentParag() does @ref currentText() start?
+     */
+    int currentStartIndex() const;
+
+    /**
+     * @return the string at the current position of the iterator,
+     * as well as the index in the current paragraph.
+     * Use this instead of separate calls to currentText and currentStartIndex,
+     * for performance reasons.
+     */
+    QPair<int, QString> currentTextAndIndex() const;
+
+signals:
+    /**
+     * Emitted when the current paragraph has been modified by the user.
+     * Apps will often want to call setData again
+     */
+    void currentParagraphModified( int modifyType, int pos, int length );
+
+    /**
+     * Emitted when the current paragraph has been deleted by the user.
+     * When this happens, the iterator automatically moves to the next paragraph (if any).
+     */
+    void currentParagraphDeleted();
+
+protected:
+    void connectTextObjects();
+    void nextTextObject();
+
+protected slots:
+    void slotParagraphDeleted( KoTextParag* parag );
+    void slotParagraphModified( KoTextParag* parag, int /*ParagModifyType*/, int pos, int length );
+
+private:
+    // The reason we use a QValueList of pointers instead of QPtrList
+    // is that having a QPtrListIterator member var can't work, one can't
+    // initialize it afterwards.
+    QValueList<KoTextObject *> m_lstObjects;
+    int m_options;
+
+    // This is relative to the first textobject in m_lstObjects
+    // We always start from this paragraph (even when going backwards)
+    KoTextParag* m_firstParag;
+    int m_firstIndex;
+
+    // This is relative to the last textobject in m_lstObjects
+    // We're done when we hit this paragraph
+    KoTextParag* m_lastParag;
+    int m_lastIndex;
+
+    // Our current position
+    QValueList<KoTextObject *>::Iterator m_currentTextObj;
+    KoTextParag* m_currentParag;
+};
+
+#endif