src/renamedialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz (peter.penz@gmx.at)                  *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20 #include "renamedialog.h"
  21
  22 #include <klineedit.h>
  23 #include <klocale.h>
  24
  25 #include <QtGui/QLabel>
  26 #include <QtGui/QBoxLayout>
  27
  28 RenameDialog::RenameDialog(const KUrl::List& items) :
  29     KDialog(),
  30     m_renameOneItem(false)
  31 {
  32     const QSize minSize = minimumSize();
  33     setMinimumSize(QSize(320, minSize.height()));
  34
  35     const int itemCount = items.count();
  36     Q_ASSERT(itemCount >= 1);
  37     m_renameOneItem = (itemCount == 1);
  38
  39     setCaption(m_renameOneItem ? i18n("Rename Item") : i18n("Rename Items"));
  40     setButtons(Ok | Cancel);
  41     setDefaultButton(Ok);
  42
  43     setButtonGuiItem(Ok, KGuiItem(i18n("Rename"), "dialog-apply"));
  44
  45     QWidget* page = new QWidget(this);
  46     setMainWidget(page);
  47
  48     QVBoxLayout* topLayout = new QVBoxLayout(page);
  49     topLayout->setMargin(KDialog::marginHint());
  50
  51     QLabel* editLabel = 0;
  52     if (m_renameOneItem) {
  53         const KUrl& url = items.first();
  54         m_newName = url.fileName();
  55         editLabel = new QLabel(i18n("Rename the item '%1' to:", m_newName),
  56                                page);
  57     } else {
  58         m_newName = i18n("New name #");
  59         editLabel = new QLabel(i18np("Rename the %1 selected item to:",
  60                                      "Rename the %1 selected items to:", itemCount),
  61                                page);
  62     }
  63
  64     m_lineEdit = new KLineEdit(page);
  65     QString extension = extensionString(items[0].prettyUrl());
  66     if (extension.length() > 0) {
  67         // The first item seems to have a extension (e. g. '.jpg' or '.txt'). Now
  68         // check whether all other items have the same extension. If this is the
  69         // case, add this extension to the name suggestion.
  70         for (int i = 1; i < itemCount; ++i) {
  71             if (!items[i].prettyUrl().contains(extension)) {
  72                 // at least one item does not have the same extension
  73                 extension.truncate(0);
  74                 break;
  75             }
  76         }
  77     }
  78
  79     int selectionLength = m_newName.length();
  80     if (!m_renameOneItem) {
  81         --selectionLength; // don't select the # character
  82     }
  83
  84     const int extensionLength = extension.length();
  85     if (extensionLength > 0) {
  86         if (m_renameOneItem) {
  87             selectionLength -= extensionLength;
  88         } else {
  89             m_newName.append(extension);
  90         }
  91     }
  92
  93     m_lineEdit->setText(m_newName);
  94     m_lineEdit->setSelection(0, selectionLength);
  95     m_lineEdit->setFocus();
  96
  97     topLayout->addWidget(editLabel);
  98     topLayout->addWidget(m_lineEdit);
  99
 100     if (!m_renameOneItem) {
 101         QLabel* infoLabel = new QLabel(i18n("(# will be replaced by ascending numbers)"), page);
 102         topLayout->addWidget(infoLabel);
 103     }
 104 }
 105
 106 RenameDialog::~RenameDialog()
 107 {}
 108
 109 void RenameDialog::slotButtonClicked(int button)
 110 {
 111     if (button == Ok) {
 112         m_newName = m_lineEdit->text();
 113         if (m_newName.isEmpty()) {
 114             m_errorString = i18n("The new name is empty. A name with at least one character must be entered.");
 115         } else if (!m_renameOneItem && m_newName.contains('#') != 1) {
 116             m_newName.truncate(0);
 117             m_errorString = i18n("The name must contain exactly one # character.");
 118         }
 119     }
 120
 121     KDialog::slotButtonClicked(button);
 122 }
 123
 124 QString RenameDialog::extensionString(const QString& name)
 125 {
 126     QString extension;
 127     bool foundExtension = false;  // true if at least one valid file extension
 128                                   // like "gif", "txt", ... has been found
 129
 130     QStringList strings = name.split('.');
 131     const int size = strings.size();
 132     for (int i = 1; i < size; ++i) {
 133         const QString& str = strings.at(i);
 134         if (!foundExtension) {
 135             // Sub strings like "9", "12", "99", ... which contain only
 136             // numbers don't count as extension. Usually they are version
 137             // numbers like in "cmake-2.4.5".
 138             bool ok = false;
 139             str.toInt(&ok);
 140             foundExtension = !ok;
 141         }
 142         if (foundExtension) {
 143             extension += '.' + str;
 144         }
 145     }
 146
 147     return extension;
 148 }
 149
 150 #include "renamedialog.moc"