From dc0088949822f846983c9a2d8f7dca59433ec555 Mon Sep 17 00:00:00 2001 From: ck Date: Tue, 4 Aug 2009 12:52:38 +0200 Subject: Assistant: Added search history. Task-number: 251278 Reviewed-by: kh --- tools/assistant/lib/qhelpsearchquerywidget.cpp | 295 ++++++++++++++++++++----- 1 file 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 +#include #include #include +#include +#include #include #include #include @@ -60,8 +63,46 @@ class QHelpSearchQueryWidgetPrivate : public QObject Q_OBJECT private: + struct QueryHistory { + explicit QueryHistory() : curQuery(-1) {} + QList > 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 &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 &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(searchCompleter.model())-> + addTerm(queryPart.wordList.join(" ")); + } + } + } + + void nextOrPrevQuery(int maxOrMinIndex, int addend, + QToolButton *thisButton, QToolButton *otherButton) + { + QueryHistory *queryHist; + QList 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 &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 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 similar 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("without 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 exact phrase:"), 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 all 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 at least one 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 QHelpSearchQueryWidget::query() const { -#if !defined(QT_CLUCENE_SUPPORT) - QList queryList; - queryList.append(QHelpSearchQuery(QHelpSearchQuery::DEFAULT, - QStringList(d->defaultQuery->text()))); - - return queryList; -#else - QList 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() : queryHist.queries.last(); } /*! \reimp -- cgit v0.12