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authorDavid Schulz <david.schulz@digia.com>2012-12-06 11:34:35 +0100
committerThe Qt Project <gerrit-noreply@qt-project.org>2012-12-06 12:44:05 +0100
commit83a6416f9ded3b164a075d72ef1ac7adc1d2f340 (patch)
treed16bfb6dc02e08311bb21b8353009df145ac072d /examples/assistant/simpletextviewer/findfiledialog.cpp
parent68d1384704afa8143f785c580f10f5d97528b0b7 (diff)
QtTools: Doc: Moved assistant examples
... and changed exampledirs in the qdocconf files to the appropriate modules. Change-Id: Ic15d9fc845d59fb4e84ee39a52e457666fa09e51 Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
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+/****************************************************************************
+**
+** 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);
+}