pixmapcollection.cpp

/* This file is part of the KDE project
   Copyright (C) 2004 Cedric Pasteur <cedric.pasteur@free.fr>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
 
   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/
 
#include <tqpixmap.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqstringlist.h>
#include <tqtoolbutton.h>
#include <tqdom.h>
 
#include <tdeapplication.h>
#include <kiconloader.h>
#include <tdefiledialog.h>
#include <kcombobox.h>
#include <kicondialog.h>
#include <klineedit.h>
#include <kicontheme.h>
#include <kpixmapio.h>
#include <tdepopupmenu.h>
#include <kdebug.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
 
#include "pixmapcollection.h"
 
PixmapCollection::PixmapCollection(const TQString &collectionName, TQObject *parent, const char *name)
 : TQObject(parent, name)
{
    m_name = collectionName;
}
 
TQString
PixmapCollection::addPixmapPath(const KURL &url)
{
    TQString name = url.filename();
    while(m_pixmaps.contains(name))
    {
        bool ok;
        int num = name.right(1).toInt(&ok, 10);
        if(ok)
            name = name.left(name.length()-1) + TQString::number(num+1);
        else
            name += "2";
    }
 
    m_pixmaps.insert(name, qMakePair(url.path(), 0));
    return name;
}
 
TQString
PixmapCollection::addPixmapName(const TQString &icon, int size)
{
    TQString name = icon;
    while(m_pixmaps.contains(name))
    {
        bool ok;
        int num = name.right(1).toInt(&ok, 10);
        if(ok)
            name = name.left(name.length()-1) + TQString::number(num+1);
        else
            name += "2";
    }
 
    m_pixmaps.insert(name, qMakePair(icon, size));
    return name;
}
 
void
PixmapCollection::removePixmap(const TQString &name)
{
    m_pixmaps.remove(name);
}
 
TQPixmap
PixmapCollection::getPixmap(const TQString &name)
{
    if(!m_pixmaps.contains(name))
    {
        kdDebug() << " The icon " << name << " you requested is not in the collection" << endl;
        return TQPixmap();
    }
 
    if(m_pixmaps[name].second != 0)
    {
        return kapp->iconLoader()->loadIcon(m_pixmaps[name].first, TDEIcon::NoGroup, m_pixmaps[name].second);
    }
    else
        return TQPixmap(m_pixmaps[name].first);
}
 
bool
PixmapCollection::contains(const TQString &name)
{
    return m_pixmaps.contains(name);
}
 
void
PixmapCollection::save(TQDomNode parentNode)
{
    if(m_pixmaps.isEmpty())
        return;
 
    TQDomDocument domDoc = parentNode.ownerDocument();
    TQDomElement collection = domDoc.createElement("collection");
    parentNode.appendChild(collection);
 
    PixmapMap::ConstIterator it;
    PixmapMap::ConstIterator endIt = m_pixmaps.constEnd();
    for(it = m_pixmaps.constBegin(); it != endIt; ++it)
    {
        TQDomElement item = domDoc.createElement("pixmap");
        collection.appendChild(item);
        item.setAttribute("name", it.key());
        if(it.data().second != 0)
            item.setAttribute("size", TQString::number(it.data().second));
 
        TQString text = it.data().first;
        TQDomText textNode = domDoc.createTextNode(text);
        item.appendChild(textNode);
    }
}
 
void
PixmapCollection::load(TQDomNode node)
{
    TQDomDocument domDoc = node.ownerDocument();
    for(TQDomNode n = node.firstChild(); !n.isNull(); n = n.nextSibling())
    {
        TQDomElement el = n.toElement();
        TQPair<TQString, int> pair = qMakePair(el.text(), el.attribute("size").toInt());
        m_pixmaps[el.attribute("name")] = pair;
    }
}
 
LoadIconDialog::LoadIconDialog(TQWidget *parent)
: KDialogBase(parent, "loadicon_dialog", true, i18n("Load KDE Icon by Name"), Ok|Cancel, Ok, false)
{
    TQFrame *frame = makeMainWidget();
    TQGridLayout *l = new TQGridLayout(frame, 2, 3, 0, 6);
 
    // Name input
    TQLabel *name = new TQLabel(i18n("&Name:"), frame);
    l->addWidget(name, 0, 0);
    name->setAlignment(TQt::AlignRight|TQt::AlignVCenter);
    m_nameInput = new KLineEdit("kexi", frame);
    l->addWidget(m_nameInput, 0, 1);
    name->setBuddy(m_nameInput);
 
    // Choose size
    TQLabel *size = new TQLabel(i18n("&Size:"), frame);
    l->addWidget(size, 1, 0);
    size->setAlignment(TQt::AlignRight|TQt::AlignVCenter);
 
    KComboBox *combo = new KComboBox(frame);
    l->addWidget(combo, 1, 1);
    size->setBuddy(combo);
    TQStringList list;
    list << i18n("Small") << i18n("Medium") << i18n("Large") << i18n("Huge");
    combo->insertStringList(list);
    combo->setCurrentItem(2);
    connect(combo, TQ_SIGNAL(activated(int)), this, TQ_SLOT(changeIconSize(int)));
 
 
    // Icon chooser button
    m_button = new TDEIconButton(frame);
    m_button->setIcon("kexi");
    m_button->setIconSize(TDEIcon::SizeMedium);
    l->addMultiCellWidget(m_button, 0, 1, 2, 2);
    connect(m_button, TQ_SIGNAL(iconChanged(TQString)), this, TQ_SLOT(updateIconName(TQString)));
    connect(m_nameInput, TQ_SIGNAL(textChanged(const TQString &)), this, TQ_SLOT(setIcon(const TQString &)));
}
 
void
LoadIconDialog::updateIconName(TQString icon)
{
    m_nameInput->setText(icon);
}
 
void
LoadIconDialog::setIcon(const TQString &icon)
{
    m_button->setIcon(icon);
}
 
void
LoadIconDialog::changeIconSize(int index)
{
    int size = TDEIcon::SizeMedium;
    switch(index)
    {
        case 0: size = TDEIcon::SizeSmall; break;
        //case 1: size = TDEIcon::SizeSmallMedium; break;
        case 1: size = TDEIcon::SizeMedium; break;
        case 2: size = TDEIcon::SizeLarge; break;
#if !defined(TQ_WS_WIN) && KDE_IS_VERSION(3,1,9)
        case 3: size = TDEIcon::SizeHuge; break;
#endif
        default:;
    }
 
    m_button->setIconSize(size);
}
 
int LoadIconDialog::iconSize()
{
    return m_button->iconSize();
}
 
TQString LoadIconDialog::iconName()
{
    return m_button->icon();
}
 
PixmapCollectionEditor::PixmapCollectionEditor(PixmapCollection *collection, TQWidget *parent)
: KDialogBase(parent, "pixcollection_dialog", true,
    i18n("Edit Pixmap Collection: %1").arg(collection->collectionName()), Close, Close, false)
{
    m_collection = collection;
    TQFrame *frame = makeMainWidget();
    TQHBoxLayout *l = new TQHBoxLayout(frame, 0, 6);
    setInitialSize(TQSize(400, 200), true);
 
    TQVBoxLayout *vlayout = new TQVBoxLayout(l, 3);
    TQToolButton *newItemPath = new TQToolButton(frame);
    newItemPath->setIconSet(BarIconSet("document-open"));
    newItemPath->setTextLabel(i18n("&Add File"), true);
    vlayout->addWidget(newItemPath);
    m_buttons.insert(BNewItemPath, newItemPath);
    connect(newItemPath, TQ_SIGNAL(clicked()), this, TQ_SLOT(newItemByPath()));
 
    TQToolButton *newItemName = new TQToolButton(frame);
    newItemName->setIconSet(BarIconSet("icons"));
    newItemName->setTextLabel(i18n("&Add an Icon"), true);
    vlayout->addWidget(newItemName);
    m_buttons.insert(BNewItemName, newItemName);
    connect(newItemName, TQ_SIGNAL(clicked()), this, TQ_SLOT(newItemByName()));
 
    TQToolButton *delItem = new TQToolButton(frame);
    delItem->setIconSet(BarIconSet("edit_remove"));
    delItem->setTextLabel(i18n("&Remove Selected Item"), true);
    vlayout->addWidget(delItem);
    m_buttons.insert(BDelItem, delItem);
    connect(delItem, TQ_SIGNAL(clicked()), this, TQ_SLOT(removeItem()));
    vlayout->addStretch();
 
    // Setup the iconView
    m_iconView = new TDEIconView(frame, "pixcollection_iconView");
    m_iconView->resize(100,100);
    m_iconView->setArrangement(TQIconView::LeftToRight);
    m_iconView->setAutoArrange(true);
    m_iconView->setMode(TDEIconView::Select);
    l->addWidget(m_iconView);
    connect(m_iconView, TQ_SIGNAL(contextMenuRequested(TQIconViewItem*, const TQPoint&)), this, TQ_SLOT(displayMenu(TQIconViewItem*, const TQPoint&)));
    connect(m_iconView, TQ_SIGNAL(itemRenamed(TQIconViewItem*, const TQString &)), this, TQ_SLOT(renameCollectionItem(TQIconViewItem*, const TQString&)));
 
    PixmapMap::ConstIterator it;
    PixmapMap::ConstIterator endIt = collection->m_pixmaps.end();
    for(it = collection->m_pixmaps.constBegin(); it != endIt; ++it)
        createIconViewItem(it.key());
}
 
void
PixmapCollectionEditor::newItemByName()
{
    LoadIconDialog d(parentWidget());
    if(d.exec()== TQDialog::Accepted)
    {
        if(d.iconName().isEmpty())
            return;
 
        TQString name = m_collection->addPixmapName(d.iconName(), d.iconSize());
        createIconViewItem(name);
    }
}
 
void
PixmapCollectionEditor::newItemByPath()
{
    KURL url = KFileDialog::getImageOpenURL("::kexi", parentWidget());
    if(url.isEmpty())
        return;
    TQString name = m_collection->addPixmapPath(url);
    createIconViewItem(name);
}
 
void
PixmapCollectionEditor::removeItem()
{
    TQIconViewItem *item = m_iconView->currentItem();
    if( !item )
      return;
 
    int confirm = KMessageBox::questionYesNo(parentWidget(), TQString("<qt>")+
        i18n("Do you want to remove item \"%1\" from collection \"%2\"?")
        .arg(item->text()).arg(m_collection->collectionName()) + "</qt>");
    if(confirm == KMessageBox::No)
        return;
 
    m_collection->removePixmap(item->text());
    delete item;
}
 
void
PixmapCollectionEditor::renameItem()
{
        if(m_iconView->currentItem())
                m_iconView->currentItem()->rename();
}
 
void
PixmapCollectionEditor::createIconViewItem(const TQString &name)
{
    PixmapIconViewItem *item = new PixmapIconViewItem(m_iconView, name, getPixmap(name));
    item->setRenameEnabled(true);
}
 
TQPixmap
PixmapCollectionEditor::getPixmap(const TQString &name)
{
    TQPixmap pixmap = m_collection->getPixmap(name);
    if((pixmap.width() <= 48) && (pixmap.height() <= 48))
        return pixmap;
 
    KPixmapIO io;
    TQImage image = io.convertToImage(pixmap);
    pixmap = io.convertToPixmap(image.scale(48, 48, TQImage::ScaleMin));
    return pixmap;
}
 
void
PixmapCollectionEditor::renameCollectionItem(TQIconViewItem *it, const TQString &name)
{
    PixmapIconViewItem *item = static_cast<PixmapIconViewItem*>(it);
    if(!m_collection->m_pixmaps.contains(item->name()))
        return;
 
    // We just rename the collection item
    TQPair<TQString, int> pair = m_collection->m_pixmaps[item->name()];
    m_collection->m_pixmaps.remove(item->name());
    m_collection->m_pixmaps[name] = pair;
    item->setName(name);
}
 
void
PixmapCollectionEditor::displayMenu(TQIconViewItem *it, const TQPoint &p)
{
    if(!it) return;
    TDEPopupMenu *menu = new TDEPopupMenu();
    menu->insertItem(SmallIconSet("edit"), i18n("Rename Item"), this, TQ_SLOT(renameItem()));
    menu->insertItem(SmallIconSet("remove"), i18n("Remove Item"), this, TQ_SLOT(removeItem()));
    menu->exec(p);
}
 
PixmapCollectionChooser::PixmapCollectionChooser(PixmapCollection *collection, const TQString &selectedItem, TQWidget *parent)
: KDialogBase(parent, "pixchoose_dialog", true, i18n("Select Pixmap From %1").arg(collection->collectionName()),
   User1|Ok|Cancel, Ok, false, KGuiItem(i18n("Edit Collection...")))
{
    m_collection = collection;
    setInitialSize(TQSize(400, 200), true);
 
    m_iconView = new TDEIconView(this, "pixchooser_iconView");
    setMainWidget(m_iconView);
    m_iconView->setArrangement(TQIconView::LeftToRight);
    m_iconView->setAutoArrange(true);
    m_iconView->setMode(TDEIconView::Select);
 
    PixmapMap::ConstIterator it;
    PixmapMap::ConstIterator endIt = collection->m_pixmaps.constEnd();
    for(it = collection->m_pixmaps.constBegin(); it != endIt; ++it)
        new PixmapIconViewItem(m_iconView, it.key(), getPixmap(it.key()));
 
    TQIconViewItem *item = m_iconView->findItem(selectedItem, TQt::ExactMatch);
    if(item && !selectedItem.isEmpty())
        m_iconView->setCurrentItem(item);
}
 
TQPixmap
PixmapCollectionChooser::pixmap()
{
        if(! m_iconView->currentItem())
                return TQPixmap();
    TQString name = m_iconView->currentItem()->text();
    return m_collection->getPixmap(name);
}
 
TQString
PixmapCollectionChooser::pixmapName()
{
    return m_iconView->currentItem() ? m_iconView->currentItem()->text() : TQString("");
}
 
TQPixmap
PixmapCollectionChooser::getPixmap(const TQString &name)
{
    TQPixmap pixmap = m_collection->getPixmap(name);
    if((pixmap.width() <= 48) && (pixmap.height() <= 48))
        return pixmap;
 
    // We scale the pixmap down to 48x48 to fit in the iconView
    KPixmapIO io;
    TQImage image = io.convertToImage(pixmap);
    pixmap = io.convertToPixmap(image.scale(48, 48, TQImage::ScaleMin));
    return pixmap;
}
 
void
PixmapCollectionChooser::slotUser1()
{
    PixmapCollectionEditor dialog(m_collection, parentWidget());
    dialog.exec();
 
    m_iconView->clear();
    PixmapMap::ConstIterator it;
    PixmapMap::ConstIterator endIt = m_collection->m_pixmaps.constEnd();
    for(it = m_collection->m_pixmaps.constBegin(); it != endIt; ++it)
         new PixmapIconViewItem(m_iconView, it.key(), getPixmap(it.key()));
}
 
#include "pixmapcollection.moc"