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     int selectionLength = m_newName.length();
  86     if (m_renameOneItem) {
  87         const QString fileName = items.first().url().prettyUrl();
  88         const QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  89         if (extension.length() > 0) {
  90             // Don't select the extension
  91             selectionLength -= extension.length() + 1;
  92         }
  93     } else {
  94          // Don't select the # character
  95         --selectionLength;
  96     }
  97
  98     m_lineEdit->setText(m_newName);
  99     m_lineEdit->setSelection(0, selectionLength);
 100     m_lineEdit->setFocus();
 101
 102     topLayout->addWidget(editLabel);
 103     topLayout->addWidget(m_lineEdit);
 104
 105     if (!m_renameOneItem) {
 106         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 107         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 108
 109         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 110         horizontalLayout->setMargin(0);
 111         horizontalLayout->addWidget(infoLabel);
 112         horizontalLayout->addWidget(m_spinBox);
 113
 114         topLayout->addLayout(horizontalLayout);
 115     }
 116 }
 117
 118 RenameDialog::~RenameDialog()
 119 {
 120 }
 121
 122 void RenameDialog::slotButtonClicked(int button)
 123 {
 124     if (button == KDialog::Ok) {
 125         m_newName = m_lineEdit->text();
 126
 127         if (m_renameOneItem) {
 128             Q_ASSERT(m_items.count() == 1);
 129             const KUrl oldUrl = m_items.first().url();
 130             KUrl newUrl = oldUrl;
 131             newUrl.setFileName(KIO::encodeFileName(m_newName));
 132             KonqOperations::rename(this, oldUrl, newUrl);
 133         } else {
 134             renameItems();
 135         }
 136     }
 137
 138     KDialog::slotButtonClicked(button);
 139 }
 140
 141 void RenameDialog::slotTextChanged(const QString& newName)
 142 {
 143     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 144     if (enable) {
 145         if (m_renameOneItem) {
 146             enable = enable && (newName != m_newName);
 147         } else {
 148             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 149             const int minSplitCount = 1;
 150             int maxSplitCount = 2;
 151             if (newName.startsWith(QLatin1Char('#'))) {
 152                 --maxSplitCount;
 153             }
 154             if (newName.endsWith(QLatin1Char('#'))) {
 155                 --maxSplitCount;
 156             }
 157             const int splitCount = newName.split(QLatin1Char('#'), QString::SkipEmptyParts).count();
 158             enable = enable && (splitCount >= minSplitCount) && (splitCount <= maxSplitCount);
 159         }
 160     }
 161     enableButtonOk(enable);
 162 }
 163
 164 void RenameDialog::renameItems()
 165 {
 166     // Currently the items are sorted by the selection order, resort
 167     // them by the filename. This assures that the new sort order is similar to
 168     // the current filename sort order.
 169     qSort(m_items.begin(), m_items.end(), lessThan);
 170
 171     // Iterate through all items and rename them...
 172     int index = m_spinBox->value();
 173     foreach (const KFileItem& item, m_items) {
 174         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 175         ++index;
 176
 177         const KUrl oldUrl = item.url();
 178         const QString extension = KMimeType::extractKnownExtension(oldUrl.prettyUrl().toLower());
 179         if (!extension.isEmpty()) {
 180             newName.append(QLatin1Char('.'));
 181             newName.append(extension);
 182         }
 183
 184         if (oldUrl.fileName() != newName) {
 185             KUrl newUrl = oldUrl;
 186             newUrl.setFileName(KIO::encodeFileName(newName));
 187             KonqOperations::rename(this, oldUrl, newUrl);
 188         }
 189     }
 190 }
 191
 192 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 193 {
 194     QString newName = name;
 195
 196     QString indexString = QString::number(index);
 197
 198     // Insert leading zeros if necessary
 199     const int minIndexLength = name.count(indexPlaceHolder);
 200     while (indexString.length() < minIndexLength) {
 201         indexString.prepend(QLatin1Char('0'));
 202     }
 203
 204     // Replace the index placeholders by the indexString
 205     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 206     newName.replace(placeHolderStart, minIndexLength, indexString);
 207
 208     return newName;
 209 }
 210
 211 #include "renamedialog.moc"