src/views/renamedialog.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006-2010 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>
  23 #include <KLocale>
  24 #include <konq_operations.h>
  25 #include <KStringHandler>
  26 #include <knuminput.h>
  27 #include <kmimetype.h>
  28
  29 #include <QHBoxLayout>
  30 #include <QLabel>
  31 #include <QVBoxLayout>
  32
  33 /**
  34  * Helper function for sorting items with qSort() in
  35  * DolphinView::renameSelectedItems().
  36  */
  37 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  38 {
  39     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  40 }
  41
  42 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  43     KDialog(parent),
  44     m_renameOneItem(false),
  45     m_newName(),
  46     m_lineEdit(0),
  47     m_items(items),
  48     m_allExtensionsDifferent(true),
  49     m_spinBox(0)
  50 {
  51     const QSize minSize = minimumSize();
  52     setMinimumSize(QSize(320, minSize.height()));
  53
  54     const int itemCount = items.count();
  55     Q_ASSERT(itemCount >= 1);
  56     m_renameOneItem = (itemCount == 1);
  57
  58     setCaption(m_renameOneItem ?
  59                i18nc("@title:window", "Rename Item") :
  60                i18nc("@title:window", "Rename Items"));
  61     setButtons(Ok | Cancel);
  62     setDefaultButton(Ok);
  63
  64     setButtonGuiItem(Ok, KGuiItem(i18nc("@action:button", "&Rename"), "dialog-ok-apply"));
  65
  66     QWidget* page = new QWidget(this);
  67     setMainWidget(page);
  68
  69     QVBoxLayout* topLayout = new QVBoxLayout(page);
  70
  71     QLabel* editLabel = 0;
  72     if (m_renameOneItem) {
  73         m_newName = items.first().name();
  74         editLabel = new QLabel(i18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  75                                page);
  76         editLabel->setTextFormat(Qt::PlainText);
  77     } else {
  78         m_newName = i18nc("@info:status", "New name #");
  79         editLabel = new QLabel(i18ncp("@label:textbox",
  80                                       "Rename the %1 selected item to:",
  81                                       "Rename the %1 selected items to:", itemCount),
  82                                page);
  83     }
  84
  85     m_lineEdit = new KLineEdit(page);
  86     connect(m_lineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
  87
  88     int selectionLength = m_newName.length();
  89     if (m_renameOneItem) {
  90         const QString fileName = items.first().url().prettyUrl();
  91         const QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  92
  93         // If the current item is a directory, select the whole file name.
  94         if ((extension.length() > 0) && !items.first().isDir()) {
  95             // Don't select the extension
  96             selectionLength -= extension.length() + 1;
  97         }
  98     } else {
  99          // Don't select the # character
 100         --selectionLength;
 101     }
 102
 103     m_lineEdit->setText(m_newName);
 104     m_lineEdit->setSelection(0, selectionLength);
 105     m_lineEdit->setFocus();
 106
 107     topLayout->addWidget(editLabel);
 108     topLayout->addWidget(m_lineEdit);
 109
 110     if (!m_renameOneItem) {
 111         QSet<QString> extensions;
 112         foreach (const KFileItem& item, m_items) {
 113             const QString extension = KMimeType::extractKnownExtension(item.url().prettyUrl().toLower());
 114
 115             if (extensions.contains(extension)) {
 116                 m_allExtensionsDifferent = false;
 117                 break;
 118             }
 119
 120             extensions.insert(extension);
 121         }
 122
 123         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 124         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 125
 126         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 127         horizontalLayout->setMargin(0);
 128         horizontalLayout->addWidget(infoLabel);
 129         horizontalLayout->addWidget(m_spinBox);
 130
 131         topLayout->addLayout(horizontalLayout);
 132     }
 133 }
 134
 135 RenameDialog::~RenameDialog()
 136 {
 137 }
 138
 139 void RenameDialog::slotButtonClicked(int button)
 140 {
 141     if (button == KDialog::Ok) {
 142         m_newName = m_lineEdit->text();
 143
 144         if (m_renameOneItem) {
 145             Q_ASSERT(m_items.count() == 1);
 146             const KUrl oldUrl = m_items.first().url();
 147             KUrl newUrl = oldUrl;
 148             newUrl.setFileName(KIO::encodeFileName(m_newName));
 149             KonqOperations::rename(this, oldUrl, newUrl);
 150         } else {
 151             renameItems();
 152         }
 153     }
 154
 155     KDialog::slotButtonClicked(button);
 156 }
 157
 158 void RenameDialog::slotTextChanged(const QString& newName)
 159 {
 160     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 161     if (enable && !m_renameOneItem) {
 162         const int count = newName.count(QLatin1Char('#'));
 163         if (count == 0) {
 164             // Renaming multiple files without '#' will only work if all extensions are different.
 165             enable = m_allExtensionsDifferent;
 166         } else {
 167             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 168             const int first = newName.indexOf(QLatin1Char('#'));
 169             const int last = newName.lastIndexOf(QLatin1Char('#'));
 170             enable = (last - first + 1 == count);
 171         }
 172     }
 173     enableButtonOk(enable);
 174 }
 175
 176 void RenameDialog::renameItems()
 177 {
 178     // Iterate through all items and rename them...
 179     int index = m_spinBox->value();
 180     foreach (const KFileItem& item, m_items) {
 181         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 182         ++index;
 183
 184         const KUrl oldUrl = item.url();
 185         const QString extension = KMimeType::extractKnownExtension(oldUrl.prettyUrl().toLower());
 186         if (!extension.isEmpty()) {
 187             newName.append(QLatin1Char('.'));
 188             newName.append(extension);
 189         }
 190
 191         if (oldUrl.fileName() != newName) {
 192             KUrl newUrl = oldUrl;
 193             newUrl.setFileName(KIO::encodeFileName(newName));
 194             KonqOperations::rename(this, oldUrl, newUrl);
 195         }
 196     }
 197 }
 198
 199 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 200 {
 201     QString newName = name;
 202
 203     QString indexString = QString::number(index);
 204
 205     // Insert leading zeros if necessary
 206     const int minIndexLength = name.count(indexPlaceHolder);
 207     while (indexString.length() < minIndexLength) {
 208         indexString.prepend(QLatin1Char('0'));
 209     }
 210
 211     // Replace the index placeholders by the indexString
 212     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 213     newName.replace(placeHolderStart, minIndexLength, indexString);
 214
 215     return newName;
 216 }
 217
 218 #include "renamedialog.moc"