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authorck <qt-info@nokia.com>2009-08-04 10:52:38 (GMT)
committerck <qt-info@nokia.com>2009-08-04 10:52:38 (GMT)
commitdc0088949822f846983c9a2d8f7dca59433ec555 (patch)
tree6a09843ca254174d71754e1ae8c7d8330de0bf4b /tools/assistant/lib
parent54d5c7eae26c025015f08bf06d0f9268175317e8 (diff)
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Assistant: Added search history.
Task-number: 251278 Reviewed-by: kh
Diffstat (limited to 'tools/assistant/lib')
-rw-r--r--tools/assistant/lib/qhelpsearchquerywidget.cpp295
1 files changed, 238 insertions, 57 deletions
diff --git a/tools/assistant/lib/qhelpsearchquerywidget.cpp b/tools/assistant/lib/qhelpsearchquerywidget.cpp
index 00444b1..110df4f 100644
--- a/tools/assistant/lib/qhelpsearchquerywidget.cpp
+++ b/tools/assistant/lib/qhelpsearchquerywidget.cpp
@@ -43,9 +43,12 @@
#include <QtCore/QDebug>
+#include <QtCore/QAbstractListModel>
#include <QtCore/QObject>
#include <QtCore/QStringList>
+#include <QtCore/QtGlobal>
+#include <QtGui/QCompleter>
#include <QtGui/QLabel>
#include <QtGui/QLayout>
#include <QtGui/QLineEdit>
@@ -60,8 +63,46 @@ class QHelpSearchQueryWidgetPrivate : public QObject
Q_OBJECT
private:
+ struct QueryHistory {
+ explicit QueryHistory() : curQuery(-1) {}
+ QList<QList<QHelpSearchQuery> > queries;
+ int curQuery;
+ };
+
+ class CompleterModel : public QAbstractListModel
+ {
+ public:
+ explicit CompleterModel(QObject *parent)
+ : QAbstractListModel(parent) {}
+
+ int rowCount(const QModelIndex &parent = QModelIndex()) const
+ {
+ return parent.isValid() ? 0 : termList.size();
+ }
+
+ QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const
+ {
+ if (!index.isValid() || index.row() >= termList.count()||
+ (role != Qt::EditRole && role != Qt::DisplayRole))
+ return QVariant();
+ return termList.at(index.row());
+ }
+
+ void addTerm(const QString &term)
+ {
+ if (!termList.contains(term)) {
+ termList.append(term);
+ reset();
+ }
+ }
+
+ private:
+ QStringList termList;
+ };
+
QHelpSearchQueryWidgetPrivate()
- : QObject()
+ : QObject(), simpleSearch(true),
+ searchCompleter(new CompleterModel(this), this)
{
searchButton = 0;
advancedSearchWidget = 0;
@@ -136,11 +177,102 @@ private:
return wordList;
}
+ void saveQuery(const QList<QHelpSearchQuery> &query, QueryHistory &queryHist)
+ {
+ // We only add the query to the list if it is different from the last one.
+ bool insert = false;
+ if (queryHist.queries.empty())
+ insert = true;
+ else {
+ const QList<QHelpSearchQuery> &lastQuery = queryHist.queries.last();
+ if (lastQuery.size() != query.size()) {
+ insert = true;
+ } else {
+ for (int i = 0; i < query.size(); ++i) {
+ if (query.at(i).fieldName != lastQuery.at(i).fieldName
+ || query.at(i).wordList != lastQuery.at(i).wordList) {
+ insert = true;
+ break;
+ }
+ }
+ }
+ }
+ if (insert) {
+ queryHist.queries.append(query);
+ foreach (const QHelpSearchQuery &queryPart, query) {
+ static_cast<CompleterModel *>(searchCompleter.model())->
+ addTerm(queryPart.wordList.join(" "));
+ }
+ }
+ }
+
+ void nextOrPrevQuery(int maxOrMinIndex, int addend,
+ QToolButton *thisButton, QToolButton *otherButton)
+ {
+ QueryHistory *queryHist;
+ QList<QLineEdit *> lineEdits;
+ if (simpleSearch) {
+ queryHist = &simpleQueries;
+ lineEdits << defaultQuery;
+ } else {
+ queryHist = &complexQueries;
+ lineEdits << allQuery << atLeastQuery << similarQuery
+ << withoutQuery << exactQuery;
+ }
+ foreach (QLineEdit *lineEdit, lineEdits)
+ lineEdit->clear();
+
+ // Otherwise, the respective button would be disabled.
+ Q_ASSERT(queryHist->curQuery != maxOrMinIndex);
+
+ queryHist->curQuery += addend;
+ const QList<QHelpSearchQuery> &query =
+ queryHist->queries.at(queryHist->curQuery);
+ foreach (const QHelpSearchQuery &queryPart, query) {
+ QLineEdit *lineEdit;
+ switch (queryPart.fieldName) {
+ case QHelpSearchQuery::DEFAULT:
+ lineEdit = defaultQuery;
+ break;
+ case QHelpSearchQuery::ALL:
+ lineEdit = allQuery;
+ break;
+ case QHelpSearchQuery::ATLEAST:
+ lineEdit = atLeastQuery;
+ break;
+ case QHelpSearchQuery::FUZZY:
+ lineEdit = similarQuery;
+ break;
+ case QHelpSearchQuery::WITHOUT:
+ lineEdit = withoutQuery;
+ break;
+ case QHelpSearchQuery::PHRASE:
+ lineEdit = exactQuery;
+ break;
+ default:
+ Q_ASSERT(0);
+ }
+ lineEdit->setText(queryPart.wordList.join(" "));
+ }
+
+ if (queryHist->curQuery == maxOrMinIndex)
+ thisButton->setEnabled(false);
+ otherButton->setEnabled(true);
+ }
+
+ void enableOrDisableToolButtons()
+ {
+ const QueryHistory &queryHist =
+ simpleSearch ? simpleQueries : complexQueries;
+ prevQueryButton->setEnabled(queryHist.curQuery > 0);
+ nextQueryButton->setEnabled(queryHist.curQuery <
+ queryHist.queries.size() - 1);
+ }
+
private slots:
void showHideAdvancedSearch()
{
- bool hidden = advancedSearchWidget->isHidden();
- if (hidden) {
+ if (simpleSearch) {
advancedSearchWidget->show();
showHideAdvancedSearchButton->setText((QLatin1String("-")));
} else {
@@ -148,12 +280,86 @@ private slots:
showHideAdvancedSearchButton->setText((QLatin1String("+")));
}
- defaultQuery->setEnabled(!hidden);
+ simpleSearch = !simpleSearch;
+ defaultQuery->setEnabled(simpleSearch);
+ enableOrDisableToolButtons();
+ }
+
+ void searchRequested()
+ {
+ QList<QHelpSearchQuery> queryList;
+#if !defined(QT_CLUCENE_SUPPORT)
+ queryList.append(QHelSearchQuery(QHelpSearchQuery::DEFAULT,
+ QStringList(defaultQuery->text())));
+
+#else
+ if (defaultQuery->isEnabled()) {
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::DEFAULT,
+ buildTermList(escapeString(defaultQuery->text()))));
+ } else {
+ const QRegExp exp(QLatin1String("\\s+"));
+ QStringList lst = similarQuery->text().split(exp, QString::SkipEmptyParts);
+ if (!lst.isEmpty()) {
+ QStringList fuzzy;
+ foreach (const QString term, lst)
+ fuzzy += buildTermList(escapeString(term));
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::FUZZY, fuzzy));
+ }
+
+ lst = withoutQuery->text().split(exp, QString::SkipEmptyParts);
+ if (!lst.isEmpty()) {
+ QStringList without;
+ foreach (const QString term, lst)
+ without.append(escapeString(term));
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::WITHOUT, without));
+ }
+
+ if (!exactQuery->text().isEmpty()) {
+ QString phrase = exactQuery->text().remove(QLatin1Char('\"'));
+ phrase = escapeString(phrase.simplified());
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::PHRASE, QStringList(phrase)));
+ }
+
+ lst = allQuery->text().split(exp, QString::SkipEmptyParts);
+ if (!lst.isEmpty()) {
+ QStringList all;
+ foreach (const QString term, lst)
+ all.append(escapeString(term));
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::ALL, all));
+ }
+
+ lst = atLeastQuery->text().split(exp, QString::SkipEmptyParts);
+ if (!lst.isEmpty()) {
+ QStringList atLeast;
+ foreach (const QString term, lst)
+ atLeast += buildTermList(escapeString(term));
+ queryList.append(QHelpSearchQuery(QHelpSearchQuery::ATLEAST, atLeast));
+ }
+ }
+#endif
+ QueryHistory &queryHist = simpleSearch ? simpleQueries : complexQueries;
+ saveQuery(queryList, queryHist);
+ queryHist.curQuery = queryHist.queries.size() - 1;
+ if (queryHist.curQuery > 0)
+ prevQueryButton->setEnabled(true);
+ nextQueryButton->setEnabled(false);
+ }
+
+ void nextQuery()
+ {
+ nextOrPrevQuery((simpleSearch ? simpleQueries : complexQueries).queries.size() - 1,
+ 1, nextQueryButton, prevQueryButton);
+ }
+
+ void prevQuery()
+ {
+ nextOrPrevQuery(0, -1, prevQueryButton, nextQueryButton);
}
private:
friend class QHelpSearchQueryWidget;
+ bool simpleSearch;
QPushButton *searchButton;
QWidget* advancedSearchWidget;
QToolButton *showHideAdvancedSearchButton;
@@ -163,6 +369,11 @@ private:
QLineEdit *withoutQuery;
QLineEdit *allQuery;
QLineEdit *atLeastQuery;
+ QToolButton *nextQueryButton;
+ QToolButton *prevQueryButton;
+ QueryHistory simpleQueries;
+ QueryHistory complexQueries;
+ QCompleter searchCompleter;
};
#include "qhelpsearchquerywidget.moc"
@@ -199,13 +410,26 @@ QHelpSearchQueryWidget::QHelpSearchQueryWidget(QWidget *parent)
QHBoxLayout* hBoxLayout = new QHBoxLayout();
QLabel *label = new QLabel(tr("Search for:"), this);
d->defaultQuery = new QLineEdit(this);
+ d->defaultQuery->setCompleter(&d->searchCompleter);
+ d->prevQueryButton = new QToolButton(this);
+ d->prevQueryButton->setArrowType(Qt::LeftArrow);
+ d->prevQueryButton->setToolTip(tr("Previous search"));
+ d->prevQueryButton->setEnabled(false);
+ d->nextQueryButton = new QToolButton(this);
+ d->nextQueryButton->setArrowType(Qt::RightArrow);
+ d->nextQueryButton->setToolTip(tr("Next search"));
+ d->nextQueryButton->setEnabled(false);
d->searchButton = new QPushButton(tr("Search"), this);
hBoxLayout->addWidget(label);
hBoxLayout->addWidget(d->defaultQuery);
+ hBoxLayout->addWidget(d->prevQueryButton);
+ hBoxLayout->addWidget(d->nextQueryButton);
hBoxLayout->addWidget(d->searchButton);
vLayout->addLayout(hBoxLayout);
+ connect(d->prevQueryButton, SIGNAL(clicked()), d, SLOT(prevQuery()));
+ connect(d->nextQueryButton, SIGNAL(clicked()), d, SLOT(nextQuery()));
connect(d->searchButton, SIGNAL(clicked()), this, SIGNAL(search()));
connect(d->defaultQuery, SIGNAL(returnPressed()), this, SIGNAL(search()));
@@ -236,26 +460,31 @@ QHelpSearchQueryWidget::QHelpSearchQueryWidget(QWidget *parent)
label = new QLabel(tr("words <B>similar</B> to:"), this);
gLayout->addWidget(label, 0, 0);
d->similarQuery = new QLineEdit(this);
+ d->similarQuery->setCompleter(&d->searchCompleter);
gLayout->addWidget(d->similarQuery, 0, 1);
label = new QLabel(tr("<B>without</B> the words:"), this);
gLayout->addWidget(label, 1, 0);
d->withoutQuery = new QLineEdit(this);
+ d->withoutQuery->setCompleter(&d->searchCompleter);
gLayout->addWidget(d->withoutQuery, 1, 1);
label = new QLabel(tr("with <B>exact phrase</B>:"), this);
gLayout->addWidget(label, 2, 0);
d->exactQuery = new QLineEdit(this);
+ d->exactQuery->setCompleter(&d->searchCompleter);
gLayout->addWidget(d->exactQuery, 2, 1);
label = new QLabel(tr("with <B>all</B> of the words:"), this);
gLayout->addWidget(label, 3, 0);
d->allQuery = new QLineEdit(this);
+ d->allQuery->setCompleter(&d->searchCompleter);
gLayout->addWidget(d->allQuery, 3, 1);
label = new QLabel(tr("with <B>at least one</B> of the words:"), this);
gLayout->addWidget(label, 4, 0);
d->atLeastQuery = new QLineEdit(this);
+ d->atLeastQuery->setCompleter(&d->searchCompleter);
gLayout->addWidget(d->atLeastQuery, 4, 1);
vLayout->addWidget(d->advancedSearchWidget);
@@ -269,6 +498,7 @@ QHelpSearchQueryWidget::QHelpSearchQueryWidget(QWidget *parent)
connect(d->showHideAdvancedSearchButton, SIGNAL(clicked()),
d, SLOT(showHideAdvancedSearch()));
#endif
+ connect(this, SIGNAL(search()), d, SLOT(searchRequested()));
}
/*!
@@ -285,59 +515,10 @@ QHelpSearchQueryWidget::~QHelpSearchQueryWidget()
*/
QList<QHelpSearchQuery> QHelpSearchQueryWidget::query() const
{
-#if !defined(QT_CLUCENE_SUPPORT)
- QList<QHelpSearchQuery> queryList;
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::DEFAULT,
- QStringList(d->defaultQuery->text())));
-
- return queryList;
-#else
- QList<QHelpSearchQuery> queryList;
- if (d->defaultQuery->isEnabled()) {
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::DEFAULT,
- d->buildTermList(d->escapeString(d->defaultQuery->text()))));
- } else {
- const QRegExp exp(QLatin1String("\\s+"));
- QStringList lst = d->similarQuery->text().split(exp, QString::SkipEmptyParts);
- if (!lst.isEmpty()) {
- QStringList fuzzy;
- foreach (const QString term, lst)
- fuzzy += d->buildTermList(d->escapeString(term));
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::FUZZY, fuzzy));
- }
-
- lst = d->withoutQuery->text().split(exp, QString::SkipEmptyParts);
- if (!lst.isEmpty()) {
- QStringList without;
- foreach (const QString term, lst)
- without.append(d->escapeString(term));
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::WITHOUT, without));
- }
-
- if (!d->exactQuery->text().isEmpty()) {
- QString phrase = d->exactQuery->text().remove(QLatin1Char('\"'));
- phrase = d->escapeString(phrase.simplified());
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::PHRASE, QStringList(phrase)));
- }
-
- lst = d->allQuery->text().split(exp, QString::SkipEmptyParts);
- if (!lst.isEmpty()) {
- QStringList all;
- foreach (const QString term, lst)
- all.append(d->escapeString(term));
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::ALL, all));
- }
-
- lst = d->atLeastQuery->text().split(exp, QString::SkipEmptyParts);
- if (!lst.isEmpty()) {
- QStringList atLeast;
- foreach (const QString term, lst)
- atLeast += d->buildTermList(d->escapeString(term));
- queryList.append(QHelpSearchQuery(QHelpSearchQuery::ATLEAST, atLeast));
- }
- }
- return queryList;
-#endif
+ const QHelpSearchQueryWidgetPrivate::QueryHistory &queryHist =
+ d->simpleSearch ? d->simpleQueries : d->complexQueries;
+ return queryHist.queries.isEmpty() ?
+ QList<QHelpSearchQuery>() : queryHist.queries.last();
}
/*! \reimp