Allow fallback to fulltext search when keyword has not been found (remote).

Task-number: QTBUG-12963
Reviewed-by: ck

2 files changed, 66 insertions, 22 deletions

diff --git a/tools/assistant/lib/qhelpsearchquerywidget.cpp b/tools/assistant/lib/qhelpsearchquerywidget.cpp
index 1634a0d..8e8b278 100644
--- a/tools/assistant/lib/qhelpsearchquerywidget.cpp
+++ b/tools/assistant/lib/qhelpsearchquerywidget.cpp
@@ -215,37 +215,36 @@ private:
 
         queryHist->curQuery += addend;
         const QList<QHelpSearchQuery> &query =
-                queryHist->queries.at(queryHist->curQuery);
+            queryHist->queries.at(queryHist->curQuery);
         foreach (const QHelpSearchQuery &queryPart, query) {
-            QLineEdit *lineEdit = 0;
-            switch (queryPart.fieldName) {
+            if (QLineEdit *lineEdit = lineEditFor(queryPart.fieldName))
+                lineEdit->setText(queryPart.wordList.join(" "));
+        }
+
+        if (queryHist->curQuery == maxOrMinIndex)
+            thisButton->setEnabled(false);
+        otherButton->setEnabled(true);
+    }
+
+    QLineEdit* lineEditFor(const QHelpSearchQuery::FieldName &fieldName) const
+    {
+        switch (fieldName) {
             case QHelpSearchQuery::DEFAULT:
-                lineEdit = defaultQuery;
-                break;
+                return defaultQuery;
             case QHelpSearchQuery::ALL:
-                lineEdit = allQuery;
-                break;
+                return allQuery;
             case QHelpSearchQuery::ATLEAST:
-                lineEdit = atLeastQuery;
-                break;
+                return atLeastQuery;
             case QHelpSearchQuery::FUZZY:
-                lineEdit = similarQuery;
-                break;
+                return similarQuery;
             case QHelpSearchQuery::WITHOUT:
-                lineEdit = withoutQuery;
-                break;
+                return withoutQuery;
             case QHelpSearchQuery::PHRASE:
-                lineEdit = exactQuery;
-                break;
+                return exactQuery;
             default:
                 Q_ASSERT(0);
-            }
-            lineEdit->setText(queryPart.wordList.join(" "));
         }
-
-        if (queryHist->curQuery == maxOrMinIndex)
-            thisButton->setEnabled(false);
-        otherButton->setEnabled(true);
+        return 0;
     }
 
     void enableOrDisableToolButtons()
@@ -512,8 +511,27 @@ QHelpSearchQueryWidget::~QHelpSearchQueryWidget()
 }
 
 /*!
+    Expands the search query widget so that the extended search fields are shown.
+*/
+void QHelpSearchQueryWidget::expandExtendedSearch()
+{
+    if (d->simpleSearch)
+        d->showHideAdvancedSearch();
+}
+
+/*!
+    Collapses the search query widget so that only the default search field is
+    shown.
+*/
+void QHelpSearchQueryWidget::collapseExtendedSearch()
+{
+    if (!d->simpleSearch)
+        d->showHideAdvancedSearch();
+}
+
+/*!
     Returns a list of queries to use in combination with the search engines
-    search(QList<QHelpSearchQuery> &query) function.
+    search(QList<QHelpSearchQuery> &queryList) function.
 */
 QList<QHelpSearchQuery> QHelpSearchQueryWidget::query() const
 {
@@ -524,6 +542,28 @@ QList<QHelpSearchQuery> QHelpSearchQueryWidget::query() const
 }
 
 /*!
+    Sets the QHelpSearchQueryWidget input fields to the values specified by
+    \a queryList search field name. Please note that one has to call the search
+    engine's search(QList<QHelpSearchQuery> &queryList) function to perform the
+    actual search.
+*/
+void QHelpSearchQueryWidget::setQuery(const QList<QHelpSearchQuery> &queryList)
+{
+    QList<QLineEdit *> lineEdits;
+    lineEdits << d->defaultQuery << d->allQuery << d->atLeastQuery
+        << d->similarQuery << d->withoutQuery << d->exactQuery;
+    foreach (QLineEdit *lineEdit, lineEdits)
+        lineEdit->clear();
+
+    const QLatin1String space(" ");
+    foreach (const QHelpSearchQuery &q, queryList) {
+        if (QLineEdit *lineEdit = d->lineEditFor(q.fieldName))
+            lineEdit->setText(lineEdit->text() + q.wordList.join(space) + space);
+    }
+    d->searchRequested();
+}
+
+/*!
     \reimp
 */
 void QHelpSearchQueryWidget::focusInEvent(QFocusEvent *focusEvent)
diff --git a/tools/assistant/lib/qhelpsearchquerywidget.h b/tools/assistant/lib/qhelpsearchquerywidget.h
index 2afc4b4..f3c290f 100644
--- a/tools/assistant/lib/qhelpsearchquerywidget.h
+++ b/tools/assistant/lib/qhelpsearchquerywidget.h
@@ -68,7 +68,11 @@ public:
     QHelpSearchQueryWidget(QWidget *parent = 0);
     ~QHelpSearchQueryWidget();
 
+    void expandExtendedSearch();
+    void collapseExtendedSearch();
+
     QList<QHelpSearchQuery> query() const;
+    void setQuery(const QList<QHelpSearchQuery> &queryList);
 
 Q_SIGNALS:
     void search();