introduce search listitem

1 files changed, 310 insertions, 94 deletions

diff --git a/src/urlbar/listitem.cpp b/src/urlbar/listitem.cpp
index 18e8352d..ef09d4f3 100644
--- a/src/urlbar/listitem.cpp
+++ b/src/urlbar/listitem.cpp
@@ -36,7 +36,10 @@
 #include <KIcon>
 #include <KStandardDirs>
 #include <KDebug>
-#include <KUrl>
+#include <QActionGroup>
+#include <KConfigGroup>
+#include <KIcon>
+
 
 // Qt Includes
 #include <QHBoxLayout>
@@ -45,111 +48,203 @@
 #include <QSizePolicy>
 #include <QPixmap>
 #include <QStylePainter>
-#include <QFile>
 #include <QMouseEvent>
+#include <QWebSettings>
+#include <QFile>
 
 
 ListItem::ListItem(const UrlSearchItem &item, QWidget *parent)
     : QWidget(parent)
+    , m_option()
+    , m_url(item.url)
 {
     setAutoFillBackground(true);
+
+    m_option.initFrom(this);
+    m_option.direction = Qt::LeftToRight;
+
+    QPalette p(palette());
+    p.setColor(QPalette::Base, Qt::white); // TODO: choose the correct color
     
-    QPalette p = palette();
-    p.setColor(QPalette::Base, Qt::white);                    // TODO: choose the correct color
     p.setColor(QPalette::AlternateBase, QColor(247,247,247)); // TODO: choose the correct color
     setPalette(p);
-    
-    // ----------------------------------------
-    
+
     QHBoxLayout *hLayout = new QHBoxLayout;
- 
-    QLabel *previewLabelIcon = new QLabel;
-    previewLabelIcon->setFixedSize(45,33);
-    hLayout->addWidget(previewLabelIcon);
+    hLayout->setSpacing(4);
+    setLayout(hLayout);
 
-    // pixmap should ever exists
-    QPixmap pixmapIcon = Application::icon(item.url).pixmap(16);
-    
-    QString path = KStandardDirs::locateLocal("cache", QString("thumbs/") + guessNameFromUrl(item.url) + ".png", true);
-    if(QFile::exists(path))
-    {
-        QLabel *previewLabel = new QLabel(previewLabelIcon);
-        previewLabel->setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
-        QPixmap preview;
-        preview.load(path);
-        
-        previewLabel->setFixedSize(38,29);
-        previewLabel->setPixmap(preview.scaled(38,29, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
-    } 
+    deactivate();            
+}
 
-    QLabel *iconLabel = new QLabel(previewLabelIcon);
-    iconLabel->setPixmap(pixmapIcon);
-    iconLabel->move(27, 16);
-    
-    //title and url    
-    QVBoxLayout *vLayout = new QVBoxLayout;  
-    hLayout->addLayout(vLayout);
-    
-    QLabel *titleLabel = new QLabel("<b>" + item.title + "</b>");
-    titleLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-    
-    QLabel *urlLabel = new QLabel("<i>" + item.url.url() + "</i>");
-    urlLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-        
-    vLayout->addWidget(titleLabel);
-    vLayout->addWidget(urlLabel);
 
-    //type icon
+ListItem::~ListItem()
+{
+    disconnect();
+}
+
 
-    if (item.type & UrlSearchItem::Browse)
-    {
-        insertIcon(hLayout, "applications-internet");
-    }
+
+void ListItem::activate()
+{
+    m_option.state |= QStyle::State_Selected;
+    update();
+}
+
+
+void ListItem::deactivate()
+{
+    m_option.state  &= ~QStyle::State_Selected;
+    update();
+}
+
+
+void ListItem::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event);
     
-    if (item.type & UrlSearchItem::Search)
-    {
-         insertIcon(hLayout, "edit-find");
-    }
-   
-    if (item.type & UrlSearchItem::Bookmark)
+    if( m_option.state.testFlag(QStyle::State_Selected) ||  m_option.state.testFlag(QStyle::State_MouseOver))
     {
-         insertIcon(hLayout, "rating");
+        QPainter painter(this);
+        m_option.rect=QRect(QPoint(),size());
+        style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &m_option, &painter, this);
     }
+    
+    QWidget::paintEvent(event);
+}
 
-    if (item.type & UrlSearchItem::History)
-    {
-         insertIcon(hLayout, "view-history");
-    }
 
-    setLayout(hLayout);
-    
-    _option.initFrom(this);
-    _option.direction = Qt::LeftToRight;
-    
-    deactivate();
+void ListItem::enterEvent(QEvent *e)
+{
+    m_option.state |= QStyle::State_MouseOver;
+    update();
+    QWidget::enterEvent(e);
 }
 
 
-ListItem::~ListItem()
+void ListItem::leaveEvent(QEvent *e)
 {
-    disconnect();
+    m_option.state &= ~QStyle::State_MouseOver;
+    update();
+    QWidget::enterEvent(e);
+}
+
+
+void ListItem::mousePressEvent(QMouseEvent *e)
+{
+    emit itemClicked(this, e->button());
+    QWidget::mousePressEvent(e);
+}
+
+
+KUrl ListItem::url()
+{
+    return m_url;
+}
+
+void ListItem::nextItemSubChoice()
+{
+    //will be override
 }
 
 
-void ListItem::insertIcon(QLayout *layout, QString icon)
+TypeIcon::TypeIcon(int type, QWidget *parent)
+:QLabel(parent)
+{
+    setMinimumWidth(40);
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setMargin(0);
+    hLayout->setAlignment(Qt::AlignRight);
+    setLayout(hLayout);
+    
+    if (type & UrlSearchItem::Search) hLayout->addWidget(getIcon("edit-find"));
+    if (type & UrlSearchItem::Browse) hLayout->addWidget(getIcon("applications-internet"));  
+    if (type & UrlSearchItem::Bookmark) hLayout->addWidget(getIcon("rating"));
+    if (type & UrlSearchItem::History) hLayout->addWidget(getIcon("view-history"));
+}
+
+
+QLabel *TypeIcon::getIcon(QString icon)
 {
     QLabel *iconLabel = new QLabel;
-    QPixmap pixmap = KIcon(icon).pixmap(18);
+    iconLabel->setFixedSize(16,16);  
+    QPixmap pixmap = KIcon(icon).pixmap(16);
     iconLabel->setPixmap(pixmap);
-    iconLabel->setSizePolicy(QSizePolicy::Minimum,QSizePolicy::Minimum);
-    layout->addWidget(iconLabel);
+    return iconLabel;
+}
+
+
+
+ItemIcon::ItemIcon(QString icon, QWidget *parent)
+:QLabel(parent)
+{
+    QPixmap pixmapIcon = KIcon(QWebSettings::iconForUrl(icon)).pixmap(16);
+    if (pixmapIcon.isNull())
+    {
+        pixmapIcon = KIcon("text-html").pixmap(16);
+    }
+
+    setFixedSize(16,16);
+    setPixmap(pixmapIcon);
+}
+
+
+ItemText::ItemText(QString text, QString underlined, QWidget *parent)
+:QLabel(underlineText(text,underlined), parent)
+{
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+}
+
+
+QString ItemText::underlineText(QString text, QString textToUnderline)
+{
+    QString t = text;
+    t = t.replace(QRegExp("("+textToUnderline+")", Qt::CaseInsensitive), "<u>\\1</u>");
+    return t;
+}
+
+
+//--------------------------------------------------------------------------------------------
+
+
+PreviewListItem::PreviewListItem(const UrlSearchItem &item, const QString &text, QWidget *parent)
+:ListItem(item, parent)
+{
+    QLabel *previewLabelIcon = new QLabel;
+    previewLabelIcon->setFixedSize(45,33);
+    new ItemPreview(item.url.url(), 38, 29, previewLabelIcon);
+    ItemIcon* icon = new ItemIcon(item.url.url(), previewLabelIcon);
+    icon->move(27, 16);
+    layout()->addWidget(previewLabelIcon);
+  
+    QVBoxLayout *vLayout = new QVBoxLayout; 
+    vLayout->setMargin(0);
+    ((QHBoxLayout *)layout())->addLayout(vLayout);
+    vLayout->addWidget(new ItemText(item.title, text));
+    vLayout->addWidget(new ItemText("<i>" + item.url.url() + "</i>", text));
+    layout()->addWidget(new TypeIcon(item.type));
+}
+
+
+ItemPreview::ItemPreview(QString url, int width, int height, QWidget *parent)
+:QLabel(parent)
+{
+    setFixedSize(width, height);
+    setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
+
+    QString path = KStandardDirs::locateLocal("cache", QString("thumbs/") + guessNameFromUrl(url) + ".png", true);
+    if(QFile::exists(path))
+    {     
+        QPixmap preview;
+        preview.load(path);
+        setPixmap(preview.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+    }
 }
 
 
 //TODO: REMOVE DUPLICATE CODE WITH PREVIEWIMAGE
-QString ListItem::guessNameFromUrl(KUrl url)
+QString ItemPreview::guessNameFromUrl(QUrl url)
 {
-    QString name = url.url();// toString( QUrl::RemoveScheme | QUrl::RemoveUserInfo | QUrl::StripTrailingSlash );
+    QString name = url.toString( QUrl::RemoveScheme | QUrl::RemoveUserInfo | QUrl::StripTrailingSlash );
     
     // TODO learn Regular Expressions :)
     // and implement something better here..
@@ -165,52 +260,173 @@ QString ListItem::guessNameFromUrl(KUrl url)
     return name;
 }
 
+//--------------------------------------------------------------------------------------------
+QString SearchListItem::m_currentEngine = "";
 
-void ListItem::activate()
+SearchListItem::SearchListItem(const UrlSearchItem &item, const QString &text, QWidget *parent)
+    :ListItem(item, parent)
+    ,m_text(text)
 {
-    _option.state |= QStyle::State_Selected;
-    update();
+    if (m_currentEngine == "") m_currentEngine = EngineBar::defaultEngine();
+    
+    m_iconLabel = new ItemIcon("edit-find", this); //TODO: get the default engine icon
+    m_titleLabel = new ItemText(searchItemTitle(m_currentEngine, text), text);
+    m_engineBar = new EngineBar(text, m_currentEngine, this);
+    
+    layout()->addWidget(m_iconLabel);
+    layout()->addWidget(m_titleLabel);
+    layout()->addWidget(new QLabel("Engines: "));
+    layout()->addWidget(m_engineBar);
+    layout()->addWidget(new TypeIcon(item.type));
+    
+    connect(m_engineBar, SIGNAL(searchEngineChanged(QString, QString)), this, SLOT(changeSearchEngine(QString, QString)));
 }
 
 
-void ListItem::deactivate()
+QString SearchListItem::searchItemTitle(QString engine, QString text)
 {
-    _option.state  &= ~QStyle::State_Selected;
-    update();
+    return QString("Search "+ engine +" for <u>"+text+"</u>");
 }
 
 
-void ListItem::paintEvent(QPaintEvent *event)
+void SearchListItem::changeSearchEngine(QString url, QString engine)
 {
-    Q_UNUSED(event);
+    m_titleLabel->setText(searchItemTitle(engine,m_text));
+    m_iconLabel->setPixmap(Application::icon(url).pixmap(16));
+    m_url = KUrl(url);
+    m_currentEngine = engine;
+}
+
+
+void SearchListItem::nextItemSubChoice()
+{
+    m_engineBar->selectNextEngine();
+}
+
+
+EngineBar::EngineBar(QString text, QString selectedEngine, QWidget *parent)
+:KToolBar(parent)
+{
+    setIconSize(QSize(16,16));
+    setToolButtonStyle(Qt::ToolButtonIconOnly);
+    
+    m_engineGroup = new QActionGroup(this);
+    m_engineGroup->setExclusive(true);
+    
+    KConfig config("kuriikwsfilterrc"); //Share with konqueror
+    KConfigGroup cg = config.group("General");
+    QStringList favoriteEngines;
+    favoriteEngines << "wikipedia" << "google"; //defaults
+    favoriteEngines = cg.readEntry("FavoriteSearchEngines", favoriteEngines);
+    QString defaultEngine = cg.readEntry("DefaultSearchEngine", "google");
+    KService::Ptr service;
+    
+    service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(defaultEngine));
+    m_engineGroup->addAction(newEngineAction(service, selectedEngine, text));
     
-    if( _option.state.testFlag(QStyle::State_Selected) ||  _option.state.testFlag(QStyle::State_MouseOver) )
+    Q_FOREACH(const QString &engine, favoriteEngines)
     {
-        QPainter painter(this);
-        _option.rect = QRect(QPoint(),size());
-        style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &_option, &painter, this);
+        if(!engine.isEmpty())
+        {
+            service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(engine));
+            if(service && service->desktopEntryName()!=defaultEngine)
+            {
+                m_engineGroup->addAction(newEngineAction(service, selectedEngine, text));
+            }
+        }
     }
+    
+    addActions(m_engineGroup->actions());
 }
 
 
-void ListItem::enterEvent(QEvent *e)
+QString EngineBar::defaultEngine()
+{    
+    KConfig config("kuriikwsfilterrc"); //Share with konqueror
+    KConfigGroup cg = config.group("General");
+    QString d = cg.readEntry("DefaultSearchEngine", "google");
+    KService::Ptr service = KService::serviceByDesktopPath(QString("searchproviders/%1.desktop").arg(d));
+    return service->name();
+}
+
+
+KAction *EngineBar::newEngineAction(KService::Ptr service, QString selectedEngine, QString text)
 {
-    _option.state |= QStyle::State_MouseOver;
-    update();
-    QWidget::enterEvent(e);
+    QString url = service->property("Query").toString();
+    url = url.replace("\\{@}",text);
+    KAction *a = new KAction(Application::icon(url), service->name(), this);
+    a->setCheckable(true);
+    if (service->name()==selectedEngine) a->setChecked(true);
+    a->setData(QStringList() << url << service->name());
+    connect(a, SIGNAL(triggered(bool)), this, SLOT(changeSearchEngine()));
+
+    return a;
 }
 
 
-void ListItem::leaveEvent(QEvent *e)
+void EngineBar::changeSearchEngine()
 {
-    _option.state &= ~QStyle::State_MouseOver;
-    update();
-    QWidget::enterEvent(e);
+    KAction *a = qobject_cast<KAction*>(sender());
+    QStringList list = a->data().toStringList();    
+    emit searchEngineChanged(list.first(), list.last());
 }
 
 
-void ListItem::mousePressEvent(QMouseEvent *e)
+void EngineBar::selectNextEngine()
 {
-    emit itemClicked(this, e->button());
-    QWidget::mousePressEvent(e);
+     QList<QAction *> e = m_engineGroup->actions();
+     int i = 0;
+     while(i<e.count() && !e.at(i)->isChecked())
+     {
+         i++;
+     }
+     
+     if (i+1 == e.count())
+     {
+         e.at(0)->setChecked(true);
+         e.at(0)->trigger();
+     }
+     else
+     {
+         e.at(i+1)->setChecked(true);  
+         e.at(i+1)->trigger();
+     }
 }
+
+
+//--------------------------------------------------------------------------------------------
+
+
+BrowseListItem::BrowseListItem(const UrlSearchItem &item, const QString &text, QWidget *parent)
+:ListItem(item, parent)
+{
+    QString url = text;
+    layout()->addWidget(new ItemIcon(item.url.url()));
+    layout()->addWidget(new ItemText("Browse <i>http://" + url.remove("http://") + "</i>", text));
+    layout()->addWidget(new TypeIcon(item.type));
+}
+
+
+//--------------------------------------------------------------------------------------------
+
+
+ListItem *ListItemFactory::create(const UrlSearchItem &item, const QString &text, QWidget *parent)
+{
+    ListItem *newItem;
+    
+    if (item.type & UrlSearchItem::Browse)
+    {
+        newItem = new BrowseListItem(item, text, parent);
+    }
+    else if (item.type & UrlSearchItem::Search)
+    {
+        newItem = new SearchListItem(item, text, parent);
+    }
+    else
+    {
+        newItem = new PreviewListItem(item, text, parent);
+    }
+    
+    return newItem;
+}
+