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 <KJobWidgets>
  25 #include <KJobUiDelegate>
  26 #include <KIO/CopyJob>
  27 #include <KIO/FileUndoManager>
  28 #include <KStringHandler>
  29 #include <kstringhandler_deprecated.h> //TODO port to QCollator
  30 #include <knuminput.h>
  31 #include <kmimetype.h>
  32
  33 #include <QHBoxLayout>
  34 #include <QLabel>
  35 #include <QVBoxLayout>
  36 #include <QMimeDatabase>
  37
  38 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  39     KDialog(parent),
  40     m_renameOneItem(false),
  41     m_newName(),
  42     m_lineEdit(0),
  43     m_items(items),
  44     m_allExtensionsDifferent(true),
  45     m_spinBox(0)
  46 {
  47     const QSize minSize = minimumSize();
  48     setMinimumSize(QSize(320, minSize.height()));
  49
  50     const int itemCount = items.count();
  51     Q_ASSERT(itemCount >= 1);
  52     m_renameOneItem = (itemCount == 1);
  53
  54     setCaption(m_renameOneItem ?
  55                i18nc("@title:window", "Rename Item") :
  56                i18nc("@title:window", "Rename Items"));
  57     setButtons(Ok | Cancel);
  58     setDefaultButton(Ok);
  59
  60     setButtonGuiItem(Ok, KGuiItem(i18nc("@action:button", "&Rename"), "dialog-ok-apply"));
  61
  62     QWidget* page = new QWidget(this);
  63     setMainWidget(page);
  64
  65     QVBoxLayout* topLayout = new QVBoxLayout(page);
  66
  67     QLabel* editLabel = 0;
  68     if (m_renameOneItem) {
  69         m_newName = items.first().name();
  70         editLabel = new QLabel(xi18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  71                                page);
  72         editLabel->setTextFormat(Qt::PlainText);
  73     } else {
  74         m_newName = i18nc("@info:status", "New name #");
  75         editLabel = new QLabel(i18ncp("@label:textbox",
  76                                       "Rename the %1 selected item to:",
  77                                       "Rename the %1 selected items to:", itemCount),
  78                                page);
  79     }
  80
  81     m_lineEdit = new KLineEdit(page);
  82     connect(m_lineEdit, &KLineEdit::textChanged, this, &RenameDialog::slotTextChanged);
  83
  84     int selectionLength = m_newName.length();
  85     if (m_renameOneItem) {
  86         const QString fileName = items.first().url().toDisplayString();
  87         QMimeDatabase db;
  88         const QString extension = db.suffixForFileName(fileName.toLower());
  89
  90         // If the current item is a directory, select the whole file name.
  91         if ((extension.length() > 0) && !items.first().isDir()) {
  92             // Don't select the extension
  93             selectionLength -= extension.length() + 1;
  94         }
  95     } else {
  96          // Don't select the # character
  97         --selectionLength;
  98     }
  99
 100     m_lineEdit->setText(m_newName);
 101     m_lineEdit->setSelection(0, selectionLength);
 102     m_lineEdit->setFocus();
 103
 104     topLayout->addWidget(editLabel);
 105     topLayout->addWidget(m_lineEdit);
 106
 107     if (!m_renameOneItem) {
 108         QSet<QString> extensions;
 109         foreach (const KFileItem& item, m_items) {
 110             QMimeDatabase db;
 111             const QString extension = db.suffixForFileName(item.url().toDisplayString().toLower());
 112
 113             if (extensions.contains(extension)) {
 114                 m_allExtensionsDifferent = false;
 115                 break;
 116             }
 117
 118             extensions.insert(extension);
 119         }
 120
 121         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 122         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 123
 124         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 125         horizontalLayout->setMargin(0);
 126         horizontalLayout->addWidget(infoLabel);
 127         horizontalLayout->addWidget(m_spinBox);
 128
 129         topLayout->addLayout(horizontalLayout);
 130     }
 131 }
 132
 133 RenameDialog::~RenameDialog()
 134 {
 135 }
 136
 137 void RenameDialog::renameItem(const KFileItem &item, const QString& newName)
 138 {
 139     const QUrl oldUrl = item.url();
 140     QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
 141     newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
 142
 143     QWidget* widget = parentWidget();
 144     if (!widget) {
 145         widget = this;
 146     }
 147
 148     KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
 149     KJobWidgets::setWindow(job, widget);
 150     KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, QList<QUrl>() << oldUrl, newUrl, job);
 151     job->ui()->setAutoErrorHandlingEnabled(true);
 152 }
 153
 154 void RenameDialog::slotButtonClicked(int button)
 155 {
 156     if (button == KDialog::Ok) {
 157         m_newName = m_lineEdit->text();
 158
 159         if (m_renameOneItem) {
 160             Q_ASSERT(m_items.count() == 1);
 161             renameItem(m_items.first(), m_newName);
 162         } else {
 163             renameItems();
 164         }
 165     }
 166
 167     KDialog::slotButtonClicked(button);
 168 }
 169
 170 void RenameDialog::slotTextChanged(const QString& newName)
 171 {
 172     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 173     if (enable && !m_renameOneItem) {
 174         const int count = newName.count(QLatin1Char('#'));
 175         if (count == 0) {
 176             // Renaming multiple files without '#' will only work if all extensions are different.
 177             enable = m_allExtensionsDifferent;
 178         } else {
 179             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 180             const int first = newName.indexOf(QLatin1Char('#'));
 181             const int last = newName.lastIndexOf(QLatin1Char('#'));
 182             enable = (last - first + 1 == count);
 183         }
 184     }
 185     enableButtonOk(enable);
 186 }
 187
 188 void RenameDialog::renameItems()
 189 {
 190     // Iterate through all items and rename them...
 191     int index = m_spinBox->value();
 192     foreach (const KFileItem& item, m_items) {
 193         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 194         ++index;
 195
 196         const QUrl oldUrl = item.url();
 197         QMimeDatabase db;
 198         const QString extension = db.suffixForFileName(oldUrl.path().toLower());
 199         if (!extension.isEmpty()) {
 200             newName.append(QLatin1Char('.'));
 201             newName.append(extension);
 202         }
 203
 204         if (oldUrl.fileName() != newName) {
 205             renameItem(item, newName);
 206         }
 207     }
 208 }
 209
 210 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 211 {
 212     QString newName = name;
 213
 214     QString indexString = QString::number(index);
 215
 216     // Insert leading zeros if necessary
 217     const int minIndexLength = name.count(indexPlaceHolder);
 218     while (indexString.length() < minIndexLength) {
 219         indexString.prepend(QLatin1Char('0'));
 220     }
 221
 222     // Replace the index placeholders by the indexString
 223     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 224     newName.replace(placeHolderStart, minIndexLength, indexString);
 225
 226     return newName;
 227 }
 228