| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "gui/dictionary_tool/find_dialog.h" |
| |
| #include <QtGui/QtGui> |
| #include "base/logging.h" |
| #include "base/util.h" |
| |
| namespace mozc { |
| namespace gui { |
| namespace { |
| const char kYellowSelectionStyleSheet[] = |
| "selection-background-color : yellow;"; |
| } |
| |
| FindDialog::FindDialog(QWidget *parent, QTableWidget *table) |
| : QDialog(parent, |
| Qt::WindowTitleHint | Qt::WindowSystemMenuHint), |
| table_(table), last_item_(NULL) { |
| setupUi(this); |
| setModal(false); |
| |
| connect(QuerylineEdit, SIGNAL(textChanged(const QString &)), |
| this, SLOT(LineEditChanged(const QString &))); |
| connect(FindForwardpushButton, SIGNAL(clicked()), |
| this, SLOT(FindForward())); |
| connect(FindBackwardpushButton, SIGNAL(clicked()), |
| this, SLOT(FindBackward())); |
| connect(CancelpushButton, SIGNAL(clicked()), |
| this, SLOT(close())); |
| } |
| |
| FindDialog::~FindDialog() {} |
| |
| void FindDialog::LineEditChanged(const QString &str) { |
| UpdateUIStatus(); |
| } |
| |
| void FindDialog::showEvent(QShowEvent *event) { |
| QuerylineEdit->setFocus(Qt::OtherFocusReason); |
| if (!QuerylineEdit->text().isEmpty()) { |
| QuerylineEdit->selectAll(); |
| } |
| FindForwardpushButton->setDefault(true); |
| last_item_ = NULL; |
| UpdateUIStatus(); |
| } |
| |
| void FindDialog::closeEvent(QCloseEvent *event) { |
| table_->setStyleSheet(""); |
| last_item_ = NULL; |
| } |
| |
| void FindDialog::UpdateUIStatus() { |
| const bool enabled =!QuerylineEdit->text().isEmpty(); |
| FindForwardpushButton->setEnabled(enabled); |
| FindBackwardpushButton->setEnabled(enabled); |
| } |
| |
| bool FindDialog::Match(const QString &query, int row, int column) { |
| if (last_item_ != NULL && last_item_ == table_->item(row, column)) { |
| return false; |
| } |
| const QString &value = table_->item(row, column)->text(); |
| return value.contains(query, Qt::CaseInsensitive); |
| } |
| |
| void FindDialog::FindForward() { |
| FindForwardpushButton->setDefault(true); |
| Find(FORWARD); |
| } |
| |
| void FindDialog::FindBackward() { |
| FindBackwardpushButton->setDefault(true); |
| Find(BACKWARD); |
| } |
| |
| void FindDialog::Find(FindDialog::Direction direction) { |
| const QString &query = QuerylineEdit->text(); |
| const int start_row = max(0, table_->currentRow()); |
| int start_column = min(1, max(0, table_->currentColumn())); |
| int matched_column = -1; |
| int matched_row = -1; |
| |
| switch (direction) { |
| case FORWARD: |
| for (int row = start_row; row < table_->rowCount(); ++row) { |
| for (int column = start_column; column < 2; ++column) { |
| start_column = 0; |
| if (Match(query, row, column)) { |
| matched_row = row; |
| matched_column = column; |
| goto FOUND; |
| } |
| } |
| } |
| break; |
| case BACKWARD: |
| for (int row = start_row; row >= 0; --row) { |
| for (int column = start_column; column >= 0; --column) { |
| start_column = 1; |
| if (Match(query, row, column)) { |
| matched_row = row; |
| matched_column = column; |
| goto FOUND; |
| } |
| } |
| } |
| break; |
| default: |
| LOG(FATAL) << "Unknown direction: " << static_cast<int>(direction); |
| } |
| |
| FOUND: |
| |
| if (matched_row >= 0 && matched_column >= 0) { |
| QTableWidgetItem *item = table_->item(matched_row, matched_column); |
| DCHECK(item); |
| last_item_ = item; |
| table_->setStyleSheet(kYellowSelectionStyleSheet); |
| table_->setCurrentItem(item); |
| table_->scrollToItem(item); |
| } else { |
| last_item_ = NULL; |
| QMessageBox::information(this, this->windowTitle(), |
| tr("Cannot find pattern %1").arg(query)); |
| } |
| } |
| } // namespace gui |
| } // namespace mozc |