| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the demonstration applications of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:BSD$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** BSD License Usage | 
| 18 | ** Alternatively, you may use this file under the terms of the BSD license | 
| 19 | ** as follows: | 
| 20 | ** | 
| 21 | ** "Redistribution and use in source and binary forms, with or without | 
| 22 | ** modification, are permitted provided that the following conditions are | 
| 23 | ** met: | 
| 24 | **   * Redistributions of source code must retain the above copyright | 
| 25 | **     notice, this list of conditions and the following disclaimer. | 
| 26 | **   * Redistributions in binary form must reproduce the above copyright | 
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| 29 | **     distribution. | 
| 30 | **   * Neither the name of The Qt Company Ltd nor the names of its | 
| 31 | **     contributors may be used to endorse or promote products derived | 
| 32 | **     from this software without specific prior written permission. | 
| 33 | ** | 
| 34 | ** | 
| 35 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
| 36 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
| 37 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
| 38 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
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| 44 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 45 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | 
| 46 | ** | 
| 47 | ** $QT_END_LICENSE$ | 
| 48 | ** | 
| 49 | ****************************************************************************/ | 
| 50 |  | 
| 51 | // EXTERNAL INCLUDES | 
| 52 | #include <QKeyEvent> | 
| 53 | #include <QMessageBox> | 
| 54 | #include <QListWidget> | 
| 55 | #include <QVBoxLayout> | 
| 56 | #include <QFileInfoList> | 
| 57 | #include <QListWidgetItem> | 
| 58 |  | 
| 59 | // INTERNAL INCLUDES | 
| 60 |  | 
| 61 | // CLASS HEADER | 
| 62 | #include "contenttab.h" | 
| 63 |  | 
| 64 |  | 
| 65 | // CONSTRUCTORS & DESTRUCTORS | 
| 66 | ContentTab::ContentTab(QWidget *parent) : | 
| 67 |         QListWidget(parent) | 
| 68 | { | 
| 69 |     setDragEnabled(false); | 
| 70 |     setIconSize(QSize(45, 45)); | 
| 71 | } | 
| 72 |  | 
| 73 | ContentTab::~ContentTab() | 
| 74 | { | 
| 75 | } | 
| 76 |  | 
| 77 | // NEW PUBLIC METHODS | 
| 78 | void ContentTab::init(const QStandardPaths::StandardLocation &location, | 
| 79 |                       const QString &filter, | 
| 80 |                       const QString &icon) | 
| 81 | { | 
| 82 |     setContentDir(location); | 
| 83 |     QStringList filterList; | 
| 84 |     filterList = filter.split(sep: ";" ); | 
| 85 |     m_ContentDir.setNameFilters(filterList); | 
| 86 |     setIcon(icon); | 
| 87 |  | 
| 88 |     connect(sender: this, SIGNAL(itemClicked(QListWidgetItem*)), | 
| 89 |             receiver: this, SLOT(openItem(QListWidgetItem*))); | 
| 90 |  | 
| 91 |     populateListWidget(); | 
| 92 | } | 
| 93 |  | 
| 94 | // NEW PROTECTED METHODS | 
| 95 | void ContentTab::setContentDir(const QStandardPaths::StandardLocation &location) | 
| 96 | { | 
| 97 |     m_ContentDir.setPath(QStandardPaths::writableLocation(type: location)); | 
| 98 | } | 
| 99 |  | 
| 100 | void ContentTab::setIcon(const QString &icon) | 
| 101 | { | 
| 102 |     m_Icon = QIcon(icon); | 
| 103 | } | 
| 104 |  | 
| 105 | void ContentTab::populateListWidget() | 
| 106 | { | 
| 107 |     const QFileInfoList fileList = m_ContentDir.entryInfoList(filters: QDir::Files, sort: QDir::Time); | 
| 108 |     for (const QFileInfo &item : fileList) | 
| 109 |         new QListWidgetItem(m_Icon, itemName(item), this); | 
| 110 | } | 
| 111 |  | 
| 112 | QString ContentTab::itemName(const QFileInfo &item) | 
| 113 | { | 
| 114 |     return QString(item.baseName() + "."  + item.completeSuffix()); | 
| 115 | } | 
| 116 |  | 
| 117 | QUrl ContentTab::itemUrl(QListWidgetItem *item) | 
| 118 | { | 
| 119 |     return QUrl("file:///"  + m_ContentDir.absolutePath() + "/"  + item->text()); | 
| 120 | } | 
| 121 |  | 
| 122 | void ContentTab::keyPressEvent(QKeyEvent *event) | 
| 123 | { | 
| 124 |     switch (event->key()) { | 
| 125 |     case Qt::Key_Select: | 
| 126 |         openItem(item: currentItem()); | 
| 127 |         Q_FALLTHROUGH(); | 
| 128 |     default: | 
| 129 |         QListWidget::keyPressEvent(event); | 
| 130 |         break; | 
| 131 |     } | 
| 132 | } | 
| 133 |  | 
| 134 | void ContentTab::handleErrorInOpen(QListWidgetItem *item) | 
| 135 | { | 
| 136 |     Q_UNUSED(item); | 
| 137 |     QMessageBox::warning(parent: this, title: tr(s: "Operation Failed" ), text: tr(s: "Unknown error!" ), buttons: QMessageBox::Close); | 
| 138 | } | 
| 139 |  | 
| 140 | // NEW SLOTS | 
| 141 | void ContentTab::openItem(QListWidgetItem *item) | 
| 142 | { | 
| 143 |     bool ret = QDesktopServices::openUrl(url: itemUrl(item)); | 
| 144 |     if (!ret) | 
| 145 |         handleErrorInOpen(item); | 
| 146 | } | 
| 147 |  | 
| 148 |  | 
| 149 | // End of File | 
| 150 |  |