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
  28 #include <QHBoxLayout>
  29 #include <QLabel>
  30 #include <QVBoxLayout>
  31
  32 /**
  33  * Helper function for sorting items with qSort() in
  34  * DolphinView::renameSelectedItems().
  35  */
  36 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  37 {
  38     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  39 }
  40
  41 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  42     KDialog(parent),
  43     m_renameOneItem(false),
  44     m_newName(),
  45     m_lineEdit(0),
  46     m_items(items),
  47     m_spinBox(0)
  48 {
  49     const QSize minSize = minimumSize();
  50     setMinimumSize(QSize(320, minSize.height()));
  51
  52     const int itemCount = items.count();
  53     Q_ASSERT(itemCount >= 1);
  54     m_renameOneItem = (itemCount == 1);
  55
  56     setCaption(m_renameOneItem ?
  57                i18nc("@title:window", "Rename Item") :
  58                i18nc("@title:window", "Rename Items"));
  59     setButtons(Ok | Cancel);
  60     setDefaultButton(Ok);
  61
  62     setButtonGuiItem(Ok, KGuiItem(i18nc("@action:button", "&Rename"), "dialog-ok-apply"));
  63
  64     QWidget* page = new QWidget(this);
  65     setMainWidget(page);
  66
  67     QVBoxLayout* topLayout = new QVBoxLayout(page);
  68
  69     QLabel* editLabel = 0;
  70     if (m_renameOneItem) {
  71         m_newName = items.first().name();
  72         editLabel = new QLabel(i18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  73                                page);
  74     } else {
  75         m_newName = i18nc("@info:status", "New name #");
  76         editLabel = new QLabel(i18ncp("@label:textbox",
  77                                       "Rename the %1 selected item to:",
  78                                       "Rename the %1 selected items to:", itemCount),
  79                                page);
  80     }
  81
  82     m_lineEdit = new KLineEdit(page);
  83     connect(m_lineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
  84
  85     QString fileName = items[0].url().prettyUrl();
  86     QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  87     if (!extension.isEmpty()) {
  88         extension.insert(0, '.');
  89         // The first item seems to have a extension (e. g. '.jpg' or '.txt'). Now
  90         // check whether all other URLs have the same extension. If this is the
  91         // case, add this extension to the name suggestion.
  92         for (int i = 1; i < itemCount; ++i) {
  93             fileName = items[i].url().prettyUrl().toLower();
  94             if (!fileName.endsWith(extension)) {
  95                 // at least one item does not have the same extension
  96                 extension.truncate(0);
  97                 break;
  98             }
  99         }
 100     }
 101
 102     int selectionLength = m_newName.length();
 103     if (!m_renameOneItem) {
 104         --selectionLength; // don't select the # character
 105     }
 106
 107     const int extensionLength = extension.length();
 108     if (extensionLength > 0) {
 109         if (m_renameOneItem) {
 110             selectionLength -= extensionLength;
 111         } else {
 112             m_newName.append(extension);
 113         }
 114     }
 115
 116     m_lineEdit->setText(m_newName);
 117     m_lineEdit->setSelection(0, selectionLength);
 118     m_lineEdit->setFocus();
 119
 120     topLayout->addWidget(editLabel);
 121     topLayout->addWidget(m_lineEdit);
 122
 123     if (!m_renameOneItem) {
 124         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 125         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 126
 127         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 128         horizontalLayout->setMargin(0);
 129         horizontalLayout->addWidget(infoLabel);
 130         horizontalLayout->addWidget(m_spinBox);
 131
 132         topLayout->addLayout(horizontalLayout);
 133     }
 134 }
 135
 136 RenameDialog::~RenameDialog()
 137 {
 138 }
 139
 140 void RenameDialog::slotButtonClicked(int button)
 141 {
 142     if (button == KDialog::Ok) {
 143         m_newName = m_lineEdit->text();
 144
 145         if (m_renameOneItem) {
 146             Q_ASSERT(m_items.count() == 1);
 147             const KUrl oldUrl = m_items.first().url();
 148             KUrl newUrl = oldUrl;
 149             newUrl.setFileName(KIO::encodeFileName(m_newName));
 150             KonqOperations::rename(this, oldUrl, newUrl);
 151         } else {
 152             renameItems();
 153         }
 154     }
 155
 156     KDialog::slotButtonClicked(button);
 157 }
 158
 159 void RenameDialog::slotTextChanged(const QString& newName)
 160 {
 161     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 162     if (enable) {
 163         if (m_renameOneItem) {
 164             enable = enable && (newName != m_newName);
 165         } else {
 166             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 167             const int minSplitCount = 1;
 168             int maxSplitCount = 2;
 169             if (newName.startsWith(QLatin1Char('#'))) {
 170                 --maxSplitCount;
 171             }
 172             if (newName.endsWith(QLatin1Char('#'))) {
 173                 --maxSplitCount;
 174             }
 175             const int splitCount = newName.split(QLatin1Char('#'), QString::SkipEmptyParts).count();
 176             enable = enable && (splitCount >= minSplitCount) && (splitCount <= maxSplitCount);
 177         }
 178     }
 179     enableButtonOk(enable);
 180 }
 181
 182 void RenameDialog::renameItems()
 183 {
 184     // Currently the items are sorted by the selection order, resort
 185     // them by the filename. This assures that the new sort order is similar to
 186     // the current filename sort order.
 187     qSort(m_items.begin(), m_items.end(), lessThan);
 188
 189     // Iterate through all items and rename them...
 190     int index = m_spinBox->value();
 191     foreach (const KFileItem& item, m_items) {
 192         const QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 193         ++index;
 194
 195         const KUrl oldUrl = item.url();
 196         if (oldUrl.fileName() != newName) {
 197             KUrl newUrl = oldUrl;
 198             newUrl.setFileName(KIO::encodeFileName(newName));
 199             KonqOperations::rename(this, oldUrl, newUrl);
 200         }
 201     }
 202 }
 203
 204 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 205 {
 206     QString newName = name;
 207
 208     QString indexString = QString::number(index);
 209
 210     // Insert leading zeros if necessary
 211     const int minIndexLength = name.count(indexPlaceHolder);
 212     while (indexString.length() < minIndexLength) {
 213         indexString.prepend(QLatin1Char('0'));
 214     }
 215
 216     // Replace the index placeholders by the indexString
 217     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 218     newName.replace(placeHolderStart, minIndexLength, indexString);
 219
 220     return newName;
 221 }
 222
 223 #include "renamedialog.moc"