File indexing completed on 2024-12-22 04:07:23

0001 
0002 /*
0003    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
0004    All rights reserved.
0005 
0006    Redistribution and use in source and binary forms, with or without
0007    modification, are permitted provided that the following conditions
0008    are met:
0009 
0010    1. Redistributions of source code must retain the above copyright
0011       notice, this list of conditions and the following disclaimer.
0012    2. Redistributions in binary form must reproduce the above copyright
0013       notice, this list of conditions and the following disclaimer in the
0014       documentation and/or other materials provided with the distribution.
0015 
0016    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0017    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0018    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0019    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0020    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0021    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0022    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0023    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0024    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0025    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0026 */
0027 
0028 #define DEBUG_KP_TOOL_TEXT 0
0029 
0030 
0031 #include "kpToolTextInsertCommand.h"
0032 
0033 #include "layers/selections/text/kpTextSelection.h"
0034 #include "views/manager/kpViewManager.h"
0035 
0036 #include <QList>
0037 
0038 //---------------------------------------------------------------------
0039 
0040 kpToolTextInsertCommand::kpToolTextInsertCommand (const QString &name,
0041         int row, int col, const QString& newText,
0042         kpCommandEnvironment *environ)
0043     : kpNamedCommand (name, environ),
0044       m_row (row), m_col (col)
0045 {
0046     viewManager ()->setTextCursorPosition (m_row, m_col);
0047     addText (newText);
0048 }
0049 
0050 //---------------------------------------------------------------------
0051 
0052 // public
0053 void kpToolTextInsertCommand::addText (const QString &moreText)
0054 {
0055     if (moreText.isEmpty ()) {
0056         return;
0057     }
0058 
0059     QList <QString> textLines = textSelection ()->textLines ();
0060     const QString leftHalf = textLines [m_row].left (m_col);
0061     const QString rightHalf = textLines [m_row].mid (m_col);
0062     textLines [m_row] = leftHalf + moreText + rightHalf;
0063     textSelection ()->setTextLines (textLines);
0064 
0065     m_newText += moreText;
0066     m_col += moreText.length ();
0067 
0068     viewManager ()->setTextCursorPosition (m_row, m_col);
0069 }
0070 
0071 //---------------------------------------------------------------------
0072 
0073 // public virtual [base kpCommand]
0074 kpCommandSize::SizeType kpToolTextInsertCommand::size () const
0075 {
0076     return static_cast<kpCommandSize::SizeType>
0077             (static_cast<unsigned int> (m_newText.length ()) * sizeof (QChar));
0078 }
0079 
0080 //---------------------------------------------------------------------
0081 
0082 // public virtual [base kpCommand]
0083 void kpToolTextInsertCommand::execute ()
0084 {
0085     viewManager ()->setTextCursorPosition (m_row, m_col);
0086 
0087     QString text = m_newText;
0088     m_newText.clear ();
0089     addText (text);
0090 }
0091 
0092 //---------------------------------------------------------------------
0093 
0094 // public virtual [base kpCommand]
0095 void kpToolTextInsertCommand::unexecute ()
0096 {
0097     viewManager ()->setTextCursorPosition (m_row, m_col);
0098 
0099     QList <QString> textLines = textSelection ()->textLines ();
0100     const QString leftHalf = textLines [m_row].left (m_col - m_newText.length ());
0101     const QString rightHalf = textLines [m_row].mid (m_col);
0102     textLines [m_row] = leftHalf + rightHalf;
0103     textSelection ()->setTextLines (textLines);
0104 
0105     m_col -= m_newText.length ();
0106 
0107     viewManager ()->setTextCursorPosition (m_row, m_col);
0108 }
0109 
0110 //---------------------------------------------------------------------