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