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Diffstat (limited to 'examples/help/simpletextviewer/findfiledialog.cpp')
| -rw-r--r-- | examples/help/simpletextviewer/findfiledialog.cpp | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/examples/help/simpletextviewer/findfiledialog.cpp b/examples/help/simpletextviewer/findfiledialog.cpp deleted file mode 100644 index 66b2d8282..000000000 --- a/examples/help/simpletextviewer/findfiledialog.cpp +++ /dev/null @@ -1,221 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** You may use this file under the terms of the BSD license as follows: -** -** "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 Digia Plc and its Subsidiary(-ies) 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/QDir> -#include <QtWidgets/QLayout> -#include <QtWidgets/QComboBox> -#include <QtWidgets/QTreeWidget> -#include <QtWidgets/QLayout> -#include <QtWidgets/QFileDialog> -#include <QtWidgets/QDialogButtonBox> -#include <QtWidgets/QToolButton> -#include <QtWidgets/QPushButton> -#include <QtWidgets/QLabel> - -#include "findfiledialog.h" -#include "assistant.h" -#include "textedit.h" - -//! [0] -FindFileDialog::FindFileDialog(TextEdit *editor, Assistant *assistant) - : QDialog(editor) -{ - currentAssistant = assistant; - currentEditor = editor; -//! [0] - - createButtons(); - createComboBoxes(); - createFilesTree(); - createLabels(); - createLayout(); - - directoryComboBox->addItem(QDir::toNativeSeparators(QDir::currentPath())); - fileNameComboBox->addItem("*"); - findFiles(); - - setWindowTitle(tr("Find File")); -//! [1] -} -//! [1] - -void FindFileDialog::browse() -{ - QString currentDirectory = directoryComboBox->currentText(); - QString newDirectory = QFileDialog::getExistingDirectory(this, - tr("Select Directory"), currentDirectory); - if (!newDirectory.isEmpty()) { - directoryComboBox->addItem(QDir::toNativeSeparators(newDirectory)); - directoryComboBox->setCurrentIndex(directoryComboBox->count() - 1); - update(); - } -} - -//! [2] -void FindFileDialog::help() -{ - currentAssistant->showDocumentation("filedialog.html"); -} -//! [2] - -void FindFileDialog::openFile(QTreeWidgetItem *item) -{ - if (!item) { - item = foundFilesTree->currentItem(); - if (!item) - return; - } - - QString fileName = item->text(0); - QString path = directoryComboBox->currentText() + QDir::separator(); - - currentEditor->setContents(path + fileName); - close(); -} - -void FindFileDialog::update() -{ - findFiles(); - buttonBox->button(QDialogButtonBox::Open)->setEnabled( - foundFilesTree->topLevelItemCount() > 0); -} - -void FindFileDialog::findFiles() -{ - QRegExp filePattern(fileNameComboBox->currentText() + "*"); - filePattern.setPatternSyntax(QRegExp::Wildcard); - - QDir directory(directoryComboBox->currentText()); - - QStringList allFiles = directory.entryList(QDir::Files | QDir::NoSymLinks); - QStringList matchingFiles; - - foreach (QString file, allFiles) { - if (filePattern.exactMatch(file)) - matchingFiles << file; - } - showFiles(matchingFiles); -} - -void FindFileDialog::showFiles(const QStringList &files) -{ - foundFilesTree->clear(); - - for (int i = 0; i < files.count(); ++i) { - QTreeWidgetItem *item = new QTreeWidgetItem(foundFilesTree); - item->setText(0, files[i]); - } - - if (files.count() > 0) - foundFilesTree->setCurrentItem(foundFilesTree->topLevelItem(0)); -} - -void FindFileDialog::createButtons() -{ - browseButton = new QToolButton; - browseButton->setText(tr("...")); - connect(browseButton, SIGNAL(clicked()), this, SLOT(browse())); - - buttonBox = new QDialogButtonBox(QDialogButtonBox::Open - | QDialogButtonBox::Cancel - | QDialogButtonBox::Help); - connect(buttonBox, SIGNAL(accepted()), this, SLOT(openFile())); - connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject())); - connect(buttonBox, SIGNAL(helpRequested()), this, SLOT(help())); -} - -void FindFileDialog::createComboBoxes() -{ - directoryComboBox = new QComboBox; - fileNameComboBox = new QComboBox; - - fileNameComboBox->setEditable(true); - fileNameComboBox->setSizePolicy(QSizePolicy::Expanding, - QSizePolicy::Preferred); - - directoryComboBox->setMinimumContentsLength(30); - directoryComboBox->setSizeAdjustPolicy( - QComboBox::AdjustToMinimumContentsLength); - directoryComboBox->setSizePolicy(QSizePolicy::Expanding, - QSizePolicy::Preferred); - - connect(fileNameComboBox, SIGNAL(editTextChanged(QString)), - this, SLOT(update())); - connect(directoryComboBox, SIGNAL(currentIndexChanged(QString)), - this, SLOT(update())); -} - -void FindFileDialog::createFilesTree() -{ - foundFilesTree = new QTreeWidget; - foundFilesTree->setColumnCount(1); - foundFilesTree->setHeaderLabels(QStringList(tr("Matching Files"))); - foundFilesTree->setRootIsDecorated(false); - foundFilesTree->setSelectionMode(QAbstractItemView::SingleSelection); - - connect(foundFilesTree, SIGNAL(itemActivated(QTreeWidgetItem*,int)), - this, SLOT(openFile(QTreeWidgetItem*))); -} - -void FindFileDialog::createLabels() -{ - directoryLabel = new QLabel(tr("Search in:")); - fileNameLabel = new QLabel(tr("File name (including wildcards):")); -} - -void FindFileDialog::createLayout() -{ - QHBoxLayout *fileLayout = new QHBoxLayout; - fileLayout->addWidget(fileNameLabel); - fileLayout->addWidget(fileNameComboBox); - - QHBoxLayout *directoryLayout = new QHBoxLayout; - directoryLayout->addWidget(directoryLabel); - directoryLayout->addWidget(directoryComboBox); - directoryLayout->addWidget(browseButton); - - QVBoxLayout *mainLayout = new QVBoxLayout; - mainLayout->addLayout(fileLayout); - mainLayout->addLayout(directoryLayout); - mainLayout->addWidget(foundFilesTree); - mainLayout->addStretch(); - mainLayout->addWidget(buttonBox); - setLayout(mainLayout); -} |