* allow searching for ratings

* minor general cleanups

svn path=/trunk/KDE/kdebase/apps/; revision=1048809

src/search/searchcriterionselector.cpp

@@ -91,7 +91,14 @@ QString SearchCriterionSelector::toString() const
 
     QString criterion = comp.prefix + descr.identifier() + comp.operation;
     if (!m_valueWidget->value().isEmpty()) {
-        criterion += '"' + m_valueWidget->value() + '"';
+        const QString value = m_valueWidget->value();
+        if (value.contains(' ')) {
+            criterion += '"' + value + '"';
+        } else {
+            // Don't surround the value by " if no space is part of the value.
+            // This increases the readability of the search-URL.
+            criterion += value;
+        }
     }
     return criterion;
 }
@@ -173,6 +180,8 @@ void SearchCriterionSelector::createDescriptions()
                                     "lastModified",
                                     dateComps,
                                     dateValue);
+    Q_ASSERT(static_cast<int>(SearchCriterionSelector::Date) == 0);
+    m_descriptions.append(date);
 
     // add "Size" description
     QList<SearchCriterionDescription::Comparator> sizeComps = defaultComps;
@@ -184,11 +193,14 @@ void SearchCriterionSelector::createDescriptions()
                                     "contentSize",
                                     sizeComps,
                                     sizeValue);
+    Q_ASSERT(static_cast<int>(SearchCriterionSelector::Size) == 1);
+    m_descriptions.append(size);
 
     // add "Tag" description
     QList<SearchCriterionDescription::Comparator> tagComps;
     tagComps.append(SearchCriterionDescription::Comparator(i18nc("@label All (tags)", "All")));
-    tagComps.append(SearchCriterionDescription::Comparator(i18nc("@label", "Equal to"), ":"));
+    tagComps.append(SearchCriterionDescription::Comparator(i18nc("@label", "Equal to"), ":", "+"));
+    tagComps.append(SearchCriterionDescription::Comparator(i18nc("@label", "Not Equal to"), ":", "-"));
 
     TagValue* tagValue = new TagValue(this);
     tagValue->hide();
@@ -196,14 +208,22 @@ void SearchCriterionSelector::createDescriptions()
                                    "tag",
                                    tagComps,
                                    tagValue);
-
-    Q_ASSERT(static_cast<int>(SearchCriterionSelector::Date) == 0);
-    Q_ASSERT(static_cast<int>(SearchCriterionSelector::Size) == 1);
     Q_ASSERT(static_cast<int>(SearchCriterionSelector::Tag) == 2);
-    m_descriptions.append(date);
-    m_descriptions.append(size);
     m_descriptions.append(tag);
 
+    // add "Rating" description
+    QList<SearchCriterionDescription::Comparator> ratingComps = defaultComps;
+    ratingComps.insert(0, SearchCriterionDescription::Comparator(i18nc("@label Any (rating)", "Any")));
+
+    RatingValue* ratingValue = new RatingValue(this);
+    ratingValue->hide();
+    SearchCriterionDescription rating(i18nc("@label", "Rating:"),
+                                      "rating",
+                                      ratingComps,
+                                      ratingValue);
+    Q_ASSERT(static_cast<int>(SearchCriterionSelector::Rating) == 3);
+    m_descriptions.append(rating);
+
     // add all descriptions to the combo box and connect the value widgets
     int i = 0;
     foreach (const SearchCriterionDescription& desc, m_descriptions) {

src/search/searchcriterionselector.h

@@ -45,7 +45,7 @@ class SearchCriterionSelector : public QWidget
     Q_OBJECT
 
 public:
-    enum Type { Date, Size, Tag };
+    enum Type { Date, Size, Tag, Rating };
 
     SearchCriterionSelector(Type type, QWidget* parent = 0);
     virtual ~SearchCriterionSelector();

src/search/searchcriterionvalue.cpp

@@ -24,6 +24,7 @@
 #include <klineedit.h>
 #include <klocale.h>
 
+#include <nepomuk/kratingwidget.h>
 #include <nepomuk/tag.h>
 
 #include <QComboBox>
@@ -71,12 +72,8 @@ QString DateValue::value() const
 
 void DateValue::initializeValue(const QString& valueType)
 {
-    if (valueType.isEmpty()) {
-        return;
-    }
-
     QDate date;    
-    if (valueType == "today") {
+    if (valueType.isEmpty() || (valueType == "today")) {
         date = QDate::currentDate();
     } else if (valueType == "thisWeek") {
         const QDate today = QDate::currentDate();
@@ -173,4 +170,26 @@ QString SizeValue::value() const
     return QString();
 }
 
+// -------------------------------------------------------------------------
+
+RatingValue::RatingValue(QWidget* parent) :
+    SearchCriterionValue(parent),
+    m_ratingWidget(0)
+{
+    m_ratingWidget = new KRatingWidget(this);
+
+    QHBoxLayout* layout = new QHBoxLayout(this);
+    layout->setMargin(0);
+    layout->addWidget(m_ratingWidget);
+}
+
+RatingValue::~RatingValue()
+{
+}
+
+QString RatingValue::value() const
+{
+    return QString::number(m_ratingWidget->rating());
+}
+
 #include "searchcriterionvalue.moc"

src/search/searchcriterionvalue.h

@@ -25,6 +25,7 @@
 
 class QComboBox;
 class KDateWidget;
+class KRatingWidget;
 class KLineEdit;
 
 /**
@@ -111,4 +112,18 @@ public:
     QComboBox* m_units;
 };
 
+/** @brief Allows to input a rating value as search criterion. */
+class RatingValue : public SearchCriterionValue
+{
+    Q_OBJECT
+
+public:
+    RatingValue(QWidget* parent = 0);
+    virtual ~RatingValue();
+    virtual QString value() const;
+
+ private:
+    KRatingWidget* m_ratingWidget;
+};
+
 #endif // SEARCHCRITERIONVALUE_H