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
  37 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  38     KDialog(parent),
  39     m_renameOneItem(false),
  40     m_newName(),
  41     m_lineEdit(0),
  42     m_items(items),
  43     m_allExtensionsDifferent(true),
  44     m_spinBox(0)
  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(xi18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  70                                page);
  71         editLabel->setTextFormat(Qt::PlainText);
  72     } else {
  73         m_newName = i18nc("@info:status", "New name #");
  74         editLabel = new QLabel(i18ncp("@label:textbox",
  75                                       "Rename the %1 selected item to:",
  76                                       "Rename the %1 selected items to:", itemCount),
  77                                page);
  78     }
  79
  80     m_lineEdit = new KLineEdit(page);
  81     connect(m_lineEdit, &KLineEdit::textChanged, this, &RenameDialog::slotTextChanged);
  82
  83     int selectionLength = m_newName.length();
  84     if (m_renameOneItem) {
  85         const QString fileName = items.first().url().toDisplayString();
  86         const QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  87
  88         // If the current item is a directory, select the whole file name.
  89         if ((extension.length() > 0) && !items.first().isDir()) {
  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         QSet<QString> extensions;
 107         foreach (const KFileItem& item, m_items) {
 108             const QString extension = KMimeType::extractKnownExtension(item.url().toDisplayString().toLower());
 109
 110             if (extensions.contains(extension)) {
 111                 m_allExtensionsDifferent = false;
 112                 break;
 113             }
 114
 115             extensions.insert(extension);
 116         }
 117
 118         QLabel* infoLabel = new QLabel(i18nc("@info", "# will be replaced by ascending numbers starting with:"), page);
 119         m_spinBox = new KIntSpinBox(0, 10000, 1, 1, page, 10);
 120
 121         QHBoxLayout* horizontalLayout = new QHBoxLayout(page);
 122         horizontalLayout->setMargin(0);
 123         horizontalLayout->addWidget(infoLabel);
 124         horizontalLayout->addWidget(m_spinBox);
 125
 126         topLayout->addLayout(horizontalLayout);
 127     }
 128 }
 129
 130 RenameDialog::~RenameDialog()
 131 {
 132 }
 133
 134 void RenameDialog::renameItem(const KFileItem &item, const QString& newName)
 135 {
 136     const QUrl oldUrl = item.url();
 137     QUrl newUrl = oldUrl.adjusted(QUrl::RemoveFilename);
 138     newUrl.setPath(newUrl.path() + KIO::encodeFileName(newName));
 139
 140     QWidget* widget = parentWidget();
 141     if (!widget) {
 142         widget = this;
 143     }
 144
 145     KIO::Job * job = KIO::moveAs(oldUrl, newUrl);
 146     KJobWidgets::setWindow(job, widget);
 147     KIO::FileUndoManager::self()->recordJob(KIO::FileUndoManager::Rename, QList<QUrl>() << oldUrl, newUrl, job);
 148     job->ui()->setAutoErrorHandlingEnabled(true);
 149 }
 150
 151 void RenameDialog::slotButtonClicked(int button)
 152 {
 153     if (button == KDialog::Ok) {
 154         m_newName = m_lineEdit->text();
 155
 156         if (m_renameOneItem) {
 157             Q_ASSERT(m_items.count() == 1);
 158             renameItem(m_items.first(), m_newName);
 159         } else {
 160             renameItems();
 161         }
 162     }
 163
 164     KDialog::slotButtonClicked(button);
 165 }
 166
 167 void RenameDialog::slotTextChanged(const QString& newName)
 168 {
 169     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 170     if (enable && !m_renameOneItem) {
 171         const int count = newName.count(QLatin1Char('#'));
 172         if (count == 0) {
 173             // Renaming multiple files without '#' will only work if all extensions are different.
 174             enable = m_allExtensionsDifferent;
 175         } else {
 176             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 177             const int first = newName.indexOf(QLatin1Char('#'));
 178             const int last = newName.lastIndexOf(QLatin1Char('#'));
 179             enable = (last - first + 1 == count);
 180         }
 181     }
 182     enableButtonOk(enable);
 183 }
 184
 185 void RenameDialog::renameItems()
 186 {
 187     // Iterate through all items and rename them...
 188     int index = m_spinBox->value();
 189     foreach (const KFileItem& item, m_items) {
 190         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 191         ++index;
 192
 193         const QUrl oldUrl = item.url();
 194         const QString extension = KMimeType::extractKnownExtension(oldUrl.path().toLower());
 195         if (!extension.isEmpty()) {
 196             newName.append(QLatin1Char('.'));
 197             newName.append(extension);
 198         }
 199
 200         if (oldUrl.fileName() != newName) {
 201             renameItem(item, newName);
 202         }
 203     }
 204 }
 205
 206 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 207 {
 208     QString newName = name;
 209
 210     QString indexString = QString::number(index);
 211
 212     // Insert leading zeros if necessary
 213     const int minIndexLength = name.count(indexPlaceHolder);
 214     while (indexString.length() < minIndexLength) {
 215         indexString.prepend(QLatin1Char('0'));
 216     }
 217
 218     // Replace the index placeholders by the indexString
 219     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 220     newName.replace(placeHolderStart, minIndexLength, indexString);
 221
 222     return newName;
 223 }
 224