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 <kstringhandler_deprecated.h> //TODO port to QCollator
  27 #include <knuminput.h>
  28 #include <kmimetype.h>
  29
  30 #include <QHBoxLayout>
  31 #include <QLabel>
  32 #include <QVBoxLayout>
  33
  34 /**
  35  * Helper function for sorting items with qSort() in
  36  * DolphinView::renameSelectedItems().
  37  */
  38 bool lessThan(const KFileItem& item1, const KFileItem& item2)
  39 {
  40     return KStringHandler::naturalCompare(item1.name(), item2.name()) < 0;
  41 }
  42
  43 RenameDialog::RenameDialog(QWidget *parent, const KFileItemList& items) :
  44     KDialog(parent),
  45     m_renameOneItem(false),
  46     m_newName(),
  47     m_lineEdit(0),
  48     m_items(items),
  49     m_allExtensionsDifferent(true),
  50     m_spinBox(0)
  51 {
  52     const QSize minSize = minimumSize();
  53     setMinimumSize(QSize(320, minSize.height()));
  54
  55     const int itemCount = items.count();
  56     Q_ASSERT(itemCount >= 1);
  57     m_renameOneItem = (itemCount == 1);
  58
  59     setCaption(m_renameOneItem ?
  60                i18nc("@title:window", "Rename Item") :
  61                i18nc("@title:window", "Rename Items"));
  62     setButtons(Ok | Cancel);
  63     setDefaultButton(Ok);
  64
  65     setButtonGuiItem(Ok, KGuiItem(i18nc("@action:button", "&Rename"), "dialog-ok-apply"));
  66
  67     QWidget* page = new QWidget(this);
  68     setMainWidget(page);
  69
  70     QVBoxLayout* topLayout = new QVBoxLayout(page);
  71
  72     QLabel* editLabel = 0;
  73     if (m_renameOneItem) {
  74         m_newName = items.first().name();
  75         editLabel = new QLabel(i18nc("@label:textbox", "Rename the item <filename>%1</filename> to:", m_newName),
  76                                page);
  77         editLabel->setTextFormat(Qt::PlainText);
  78     } else {
  79         m_newName = i18nc("@info:status", "New name #");
  80         editLabel = new QLabel(i18ncp("@label:textbox",
  81                                       "Rename the %1 selected item to:",
  82                                       "Rename the %1 selected items to:", itemCount),
  83                                page);
  84     }
  85
  86     m_lineEdit = new KLineEdit(page);
  87     connect(m_lineEdit, SIGNAL(textChanged(QString)), this, SLOT(slotTextChanged(QString)));
  88
  89     int selectionLength = m_newName.length();
  90     if (m_renameOneItem) {
  91         const QString fileName = items.first().url().toDisplayString();
  92         const QString extension = KMimeType::extractKnownExtension(fileName.toLower());
  93
  94         // If the current item is a directory, select the whole file name.
  95         if ((extension.length() > 0) && !items.first().isDir()) {
  96             // Don't select the extension
  97             selectionLength -= extension.length() + 1;
  98         }
  99     } else {
 100          // Don't select the # character
 101         --selectionLength;
 102     }
 103
 104     m_lineEdit->setText(m_newName);
 105     m_lineEdit->setSelection(0, selectionLength);
 106     m_lineEdit->setFocus();
 107
 108     topLayout->addWidget(editLabel);
 109     topLayout->addWidget(m_lineEdit);
 110
 111     if (!m_renameOneItem) {
 112         QSet<QString> extensions;
 113         foreach (const KFileItem& item, m_items) {
 114             const QString extension = KMimeType::extractKnownExtension(item.url().toDisplayString().toLower());
 115
 116             if (extensions.contains(extension)) {
 117                 m_allExtensionsDifferent = false;
 118                 break;
 119             }
 120
 121             extensions.insert(extension);
 122         }
 123
 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
 151             QWidget* widget = parentWidget();
 152             if (!widget) {
 153                 widget = this;
 154             }
 155
 156             KonqOperations::rename(widget, oldUrl, newUrl);
 157         } else {
 158             renameItems();
 159         }
 160     }
 161
 162     KDialog::slotButtonClicked(button);
 163 }
 164
 165 void RenameDialog::slotTextChanged(const QString& newName)
 166 {
 167     bool enable = !newName.isEmpty() && (newName != QLatin1String("..")) && (newName != QLatin1String("."));
 168     if (enable && !m_renameOneItem) {
 169         const int count = newName.count(QLatin1Char('#'));
 170         if (count == 0) {
 171             // Renaming multiple files without '#' will only work if all extensions are different.
 172             enable = m_allExtensionsDifferent;
 173         } else {
 174             // Assure that the new name contains exactly one # (or a connected sequence of #'s)
 175             const int first = newName.indexOf(QLatin1Char('#'));
 176             const int last = newName.lastIndexOf(QLatin1Char('#'));
 177             enable = (last - first + 1 == count);
 178         }
 179     }
 180     enableButtonOk(enable);
 181 }
 182
 183 void RenameDialog::renameItems()
 184 {
 185     // Iterate through all items and rename them...
 186     int index = m_spinBox->value();
 187     foreach (const KFileItem& item, m_items) {
 188         QString newName = indexedName(m_newName, index, QLatin1Char('#'));
 189         ++index;
 190
 191         const KUrl oldUrl = item.url();
 192         const QString extension = KMimeType::extractKnownExtension(oldUrl.prettyUrl().toLower());
 193         if (!extension.isEmpty()) {
 194             newName.append(QLatin1Char('.'));
 195             newName.append(extension);
 196         }
 197
 198         if (oldUrl.fileName() != newName) {
 199             KUrl newUrl = oldUrl;
 200             newUrl.setFileName(KIO::encodeFileName(newName));
 201
 202             QWidget* widget = parentWidget();
 203             if (!widget) {
 204                 widget = this;
 205             }
 206
 207             KonqOperations::rename(widget, oldUrl, newUrl);
 208         }
 209     }
 210 }
 211
 212 QString RenameDialog::indexedName(const QString& name, int index, const QChar& indexPlaceHolder)
 213 {
 214     QString newName = name;
 215
 216     QString indexString = QString::number(index);
 217
 218     // Insert leading zeros if necessary
 219     const int minIndexLength = name.count(indexPlaceHolder);
 220     while (indexString.length() < minIndexLength) {
 221         indexString.prepend(QLatin1Char('0'));
 222     }
 223
 224     // Replace the index placeholders by the indexString
 225     const int placeHolderStart = newName.indexOf(indexPlaceHolder);
 226     newName.replace(placeHolderStart, minIndexLength, indexString);
 227
 228     return newName;
 229 }
 230
 231 #include "renamedialog.moc"