[102487] | 1 | /* $Id: UIFileSystemModel.cpp 103710 2024-03-06 16:53:27Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Qt GUI - UIFileSystemModel class implementation.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2016-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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| 26 | */
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| 27 |
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| 28 | /* Qt includes: */
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| 29 | #include <QApplication>
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| 30 | #include <QDateTime>
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| 31 | #include <QHeaderView>
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| 32 | #include <QIODevice>
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| 33 | #include <QMimeData>
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| 34 |
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| 35 | /* GUI includes: */
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| 36 | #include "UIFileSystemModel.h"
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| 37 | #include "UIErrorString.h"
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| 38 | #include "UIPathOperations.h"
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| 39 | #include "UITranslator.h"
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| 40 |
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| 41 | /* Other VBox includes: */
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| 42 | #include "iprt/assert.h"
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| 43 |
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| 44 | const char *UIFileSystemModel::strUpDirectoryString = "..";
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| 45 |
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| 46 |
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| 47 | /*********************************************************************************************************************************
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| 48 | * UIFileSystemItem implementation. *
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| 49 | *********************************************************************************************************************************/
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| 50 |
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| 51 | UIFileSystemItem::UIFileSystemItem(const QString &strFileObjectName, UIFileSystemItem *parent, KFsObjType type)
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| 52 | : m_parentItem(parent)
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| 53 | , m_bIsOpened(false)
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| 54 | , m_fIsTargetADirectory(false)
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| 55 | , m_type(type)
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| 56 | , m_fIsDriveItem(false)
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| 57 | , m_fIsHidden(false)
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| 58 | {
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| 59 | for (int i = static_cast<int>(UIFileSystemModelData_Name);
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| 60 | i < static_cast<int>(UIFileSystemModelData_Max); ++i)
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| 61 | m_itemData[static_cast<UIFileSystemModelData>(i)] = QVariant();
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| 62 | m_itemData[UIFileSystemModelData_Name] = strFileObjectName;
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| 63 |
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| 64 | if (parent)
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| 65 | {
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| 66 | parent->appendChild(this);
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| 67 | setParentModel(parent->parentModel());
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| 68 | }
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| 69 | }
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| 70 |
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| 71 | UIFileSystemItem::~UIFileSystemItem()
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| 72 | {
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| 73 | reset();
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| 74 | }
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| 75 |
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| 76 | void UIFileSystemItem::appendChild(UIFileSystemItem *item)
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| 77 | {
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| 78 | if (!item)
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| 79 | return;
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| 80 | if (m_childItems.contains(item))
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| 81 | return;
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| 82 | m_childItems.append(item);
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| 83 | }
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| 84 |
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| 85 | void UIFileSystemItem::reset()
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| 86 | {
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| 87 | qDeleteAll(m_childItems);
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| 88 | m_childItems.clear();
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| 89 | m_bIsOpened = false;
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| 90 | }
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| 91 |
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| 92 | UIFileSystemItem *UIFileSystemItem::child(int row) const
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| 93 | {
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| 94 | return m_childItems.value(row);
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| 95 | }
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| 96 |
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| 97 | UIFileSystemItem *UIFileSystemItem::child(const QString &fileObjectName) const
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| 98 | {
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| 99 | foreach (UIFileSystemItem *pItem, m_childItems)
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| 100 | if (pItem && pItem->fileObjectName() == fileObjectName)
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| 101 | return pItem;
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| 102 | return 0;
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| 103 | }
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| 104 |
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| 105 | int UIFileSystemItem::childCount() const
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| 106 | {
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| 107 | return m_childItems.count();
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| 108 | }
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| 109 |
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| 110 | QList<UIFileSystemItem*> UIFileSystemItem::children() const
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| 111 | {
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| 112 | QList<UIFileSystemItem*> childList;
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| 113 | foreach (UIFileSystemItem *child, m_childItems)
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| 114 | childList << child;
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| 115 | return childList;
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| 116 | }
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| 117 |
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| 118 | void UIFileSystemItem::removeChild(UIFileSystemItem *pItem)
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| 119 | {
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| 120 | int iIndex = m_childItems.indexOf(pItem);
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| 121 | if (iIndex == -1 || iIndex > m_childItems.size())
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| 122 | return;
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| 123 | m_childItems.removeAt(iIndex);
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| 124 | delete pItem;
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| 125 | pItem = 0;
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| 126 | }
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| 127 |
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| 128 | void UIFileSystemItem::removeChildren()
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| 129 | {
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| 130 | reset();
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| 131 | }
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| 132 |
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| 133 | int UIFileSystemItem::columnCount() const
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| 134 | {
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| 135 | return m_itemData.count();
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| 136 | }
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| 137 |
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| 138 | QVariant UIFileSystemItem::data(int column) const
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| 139 | {
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| 140 | return m_itemData.value(static_cast<UIFileSystemModelData>(column), QVariant());
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| 141 | }
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| 142 |
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| 143 | QString UIFileSystemItem::fileObjectName() const
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| 144 | {
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| 145 | QVariant data = m_itemData.value(UIFileSystemModelData_Name, QVariant());
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| 146 | if (!data.canConvert(QMetaType(QMetaType::QString)))
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| 147 | return QString();
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| 148 | return data.toString();
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| 149 | }
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| 150 |
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| 151 | void UIFileSystemItem::setData(const QVariant &data, int index)
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| 152 | {
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| 153 | if (m_itemData[static_cast<UIFileSystemModelData>(index)] == data)
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| 154 | return;
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| 155 | m_itemData[static_cast<UIFileSystemModelData>(index)] = data;
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| 156 | }
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| 157 |
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| 158 | void UIFileSystemItem::setData(const QVariant &data, UIFileSystemModelData enmColumn)
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| 159 | {
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| 160 | m_itemData[enmColumn] = data;
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| 161 | }
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| 162 |
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| 163 | UIFileSystemItem *UIFileSystemItem::parentItem()
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| 164 | {
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| 165 | return m_parentItem;
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| 166 | }
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| 167 |
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| 168 | UIFileSystemItem *UIFileSystemItem::parentItem() const
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| 169 | {
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| 170 | return m_parentItem;
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| 171 | }
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| 172 |
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| 173 | int UIFileSystemItem::row() const
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| 174 | {
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| 175 | if (m_parentItem)
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| 176 | return m_parentItem->m_childItems.indexOf(const_cast<UIFileSystemItem*>(this));
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| 177 | return 0;
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| 178 | }
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| 179 |
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| 180 | bool UIFileSystemItem::isDirectory() const
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| 181 | {
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| 182 | return m_type == KFsObjType_Directory;
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| 183 | }
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| 184 |
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| 185 | bool UIFileSystemItem::isSymLink() const
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| 186 | {
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| 187 | return m_type == KFsObjType_Symlink;
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| 188 | }
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| 189 |
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| 190 | bool UIFileSystemItem::isFile() const
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| 191 | {
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| 192 | return m_type == KFsObjType_File;
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| 193 | }
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| 194 |
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| 195 | void UIFileSystemItem::clearChildren()
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| 196 | {
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| 197 | qDeleteAll(m_childItems);
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| 198 | m_childItems.clear();
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| 199 | }
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| 200 |
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| 201 | bool UIFileSystemItem::isOpened() const
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| 202 | {
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| 203 | return m_bIsOpened;
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| 204 | }
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| 205 |
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| 206 | void UIFileSystemItem::setIsOpened(bool flag)
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| 207 | {
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| 208 | m_bIsOpened = flag;
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| 209 | }
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| 210 |
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| 211 | QString UIFileSystemItem::path() const
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| 212 | {
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| 213 | const QChar delimiter('/');
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| 214 |
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| 215 | const UIFileSystemItem *pParent = this;
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| 216 | QStringList path;
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| 217 | while(pParent && pParent->parentItem())
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| 218 | {
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| 219 | path.prepend(pParent->fileObjectName());
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| 220 | pParent = pParent->parentItem();
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| 221 | }
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| 222 | QString strPath = UIPathOperations::removeMultipleDelimiters(path.join(delimiter));
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| 223 | if (m_pParentModel && m_pParentModel->isWindowsFileSystem())
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| 224 | {
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| 225 | if (!strPath.isEmpty() && strPath.at(0) == delimiter)
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| 226 | strPath.remove(0, 1);
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| 227 | }
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| 228 | return UIPathOperations::removeTrailingDelimiters(strPath);
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| 229 | }
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| 230 |
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| 231 | bool UIFileSystemItem::isUpDirectory() const
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| 232 | {
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| 233 | if (!isDirectory())
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| 234 | return false;
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| 235 | if (data(0) == UIFileSystemModel::strUpDirectoryString)
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| 236 | return true;
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| 237 | return false;
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| 238 | }
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| 239 |
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| 240 | KFsObjType UIFileSystemItem::type() const
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| 241 | {
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| 242 | return m_type;
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| 243 | }
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| 244 |
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| 245 | const QString &UIFileSystemItem::targetPath() const
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| 246 | {
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| 247 | return m_strTargetPath;
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| 248 | }
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| 249 |
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| 250 | void UIFileSystemItem::setTargetPath(const QString &path)
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| 251 | {
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| 252 | m_strTargetPath = path;
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| 253 | }
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| 254 |
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| 255 | bool UIFileSystemItem::isSymLinkToADirectory() const
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| 256 | {
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| 257 | return m_fIsTargetADirectory;
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| 258 | }
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| 259 |
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| 260 | void UIFileSystemItem::setIsSymLinkToADirectory(bool flag)
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| 261 | {
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| 262 | m_fIsTargetADirectory = flag;
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| 263 | }
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| 264 |
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| 265 | bool UIFileSystemItem::isSymLinkToAFile() const
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| 266 | {
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| 267 | return isSymLink() && !m_fIsTargetADirectory;
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| 268 | }
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| 269 |
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| 270 | void UIFileSystemItem::setIsDriveItem(bool flag)
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| 271 | {
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| 272 | m_fIsDriveItem = flag;
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| 273 | }
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| 274 |
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| 275 | bool UIFileSystemItem::isDriveItem() const
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| 276 | {
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| 277 | return m_fIsDriveItem;
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| 278 | }
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| 279 |
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| 280 | void UIFileSystemItem::setIsHidden(bool flag)
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| 281 | {
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| 282 | m_fIsHidden = flag;
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| 283 | }
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| 284 |
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| 285 | bool UIFileSystemItem::isHidden() const
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| 286 | {
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| 287 | return m_fIsHidden;
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| 288 | }
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| 289 |
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| 290 | void UIFileSystemItem::setRemovedFromViso(bool fRemoved)
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| 291 | {
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| 292 | m_itemData[UIFileSystemModelData_RemovedFromVISO] = fRemoved;
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| 293 | }
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| 294 |
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| 295 | bool UIFileSystemItem::isRemovedFromViso() const
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| 296 | {
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| 297 | return m_itemData[UIFileSystemModelData_RemovedFromVISO].toBool();
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| 298 | }
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| 299 |
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| 300 | void UIFileSystemItem::setToolTip(const QString &strToolTip)
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| 301 | {
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| 302 | m_strToolTip = strToolTip;
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| 303 | }
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| 304 |
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| 305 | const QString &UIFileSystemItem::toolTip() const
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| 306 | {
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| 307 | return m_strToolTip;
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| 308 | }
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| 309 |
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| 310 | void UIFileSystemItem::setParentModel(UIFileSystemModel *pModel)
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| 311 | {
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| 312 | m_pParentModel = pModel;
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| 313 | }
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| 314 |
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| 315 | UIFileSystemModel *UIFileSystemItem::parentModel()
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| 316 | {
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| 317 | return m_pParentModel;
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| 318 | }
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| 319 |
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| 320 |
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| 321 | /*********************************************************************************************************************************
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| 322 | * UIFileSystemProxyModel implementation. *
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| 323 | *********************************************************************************************************************************/
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| 324 |
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| 325 | UIFileSystemProxyModel::UIFileSystemProxyModel(QObject *parent /* = 0 */)
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| 326 | :QSortFilterProxyModel(parent)
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| 327 | , m_fListDirectoriesOnTop(false)
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| 328 | , m_fShowHiddenObjects(true)
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| 329 | {
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| 330 | }
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| 331 |
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| 332 | bool UIFileSystemProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
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| 333 | {
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| 334 | UIFileSystemItem *pLeftItem = static_cast<UIFileSystemItem*>(left.internalPointer());
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| 335 | UIFileSystemItem *pRightItem = static_cast<UIFileSystemItem*>(right.internalPointer());
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| 336 |
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| 337 | if (pLeftItem && pRightItem)
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| 338 | {
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| 339 | /* List the directories before the files if options say so: */
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| 340 | if (m_fListDirectoriesOnTop)
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| 341 | {
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| 342 | if ((pLeftItem->isDirectory() || pLeftItem->isSymLinkToADirectory()) && !pRightItem->isDirectory())
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| 343 | return (sortOrder() == Qt::AscendingOrder);
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| 344 | if ((pRightItem->isDirectory() || pRightItem->isSymLinkToADirectory()) && !pLeftItem->isDirectory())
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| 345 | return (sortOrder() == Qt::DescendingOrder);
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| 346 | }
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| 347 | /* Up directory item should be always the first item: */
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| 348 | if (pLeftItem->isUpDirectory())
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| 349 | return (sortOrder() == Qt::AscendingOrder);
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| 350 | else if (pRightItem->isUpDirectory())
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| 351 | return (sortOrder() == Qt::DescendingOrder);
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| 352 |
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| 353 | /* If the sort column is QDateTime than handle it correctly: */
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| 354 | if (sortColumn() == UIFileSystemModelData_ChangeTime)
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| 355 | {
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| 356 | QVariant dataLeft = pLeftItem->data(UIFileSystemModelData_ChangeTime);
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| 357 | QVariant dataRight = pRightItem->data(UIFileSystemModelData_ChangeTime);
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| 358 | QDateTime leftDateTime = dataLeft.toDateTime();
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| 359 | QDateTime rightDateTime = dataRight.toDateTime();
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| 360 | return (leftDateTime < rightDateTime);
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| 361 | }
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| 362 | /* When we show human readble sizes in size column sorting gets confused, so do it here: */
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| 363 | else if(sortColumn() == UIFileSystemModelData_Size)
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| 364 | {
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| 365 | qulonglong leftSize = pLeftItem->data(UIFileSystemModelData_Size).toULongLong();
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| 366 | qulonglong rightSize = pRightItem->data(UIFileSystemModelData_Size).toULongLong();
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| 367 | return (leftSize < rightSize);
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| 368 |
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| 369 | }
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| 370 | }
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| 371 | return QSortFilterProxyModel::lessThan(left, right);
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| 372 | }
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| 373 |
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| 374 | bool UIFileSystemProxyModel::filterAcceptsRow(int iSourceRow, const QModelIndex &sourceParent) const
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| 375 | {
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| 376 | if (m_fShowHiddenObjects)
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| 377 | return true;
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| 378 |
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| 379 | QModelIndex itemIndex = sourceModel()->index(iSourceRow, 0, sourceParent);
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| 380 | if (!itemIndex.isValid())
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| 381 | return false;
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| 382 |
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| 383 | UIFileSystemItem *item = static_cast<UIFileSystemItem*>(itemIndex.internalPointer());
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| 384 | if (!item)
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| 385 | return false;
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| 386 |
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| 387 | if (item->isHidden())
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| 388 | return false;
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| 389 |
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| 390 | return true;
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| 391 | }
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| 392 |
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| 393 | void UIFileSystemProxyModel::setListDirectoriesOnTop(bool fListDirectoriesOnTop)
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| 394 | {
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| 395 | m_fListDirectoriesOnTop = fListDirectoriesOnTop;
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| 396 | }
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| 397 |
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| 398 | bool UIFileSystemProxyModel::listDirectoriesOnTop() const
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| 399 | {
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| 400 | return m_fListDirectoriesOnTop;
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| 401 | }
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| 402 |
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| 403 | void UIFileSystemProxyModel::setShowHiddenObjects(bool fShowHiddenObjects)
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| 404 | {
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| 405 | m_fShowHiddenObjects = fShowHiddenObjects;
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| 406 | }
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| 407 |
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| 408 | bool UIFileSystemProxyModel::showHiddenObjects() const
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| 409 | {
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| 410 | return m_fShowHiddenObjects;
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| 411 | }
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| 412 |
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| 413 |
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| 414 | /*********************************************************************************************************************************
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| 415 | * UIFileSystemModel implementation. *
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| 416 | *********************************************************************************************************************************/
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| 417 |
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| 418 | UIFileSystemModel::UIFileSystemModel(QObject *parent)
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| 419 | : QAbstractItemModel(parent)
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| 420 | , m_fShowHumanReadableSizes(false)
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| 421 | , m_fIsWindowFileSystemModel(false)
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| 422 | {
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| 423 | m_pRootItem = new UIFileSystemItem(QString(), 0, KFsObjType_Directory);
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| 424 | m_pRootItem->setParentModel(this);
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| 425 | }
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| 426 |
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| 427 | QStringList UIFileSystemModel::mimeTypes() const
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| 428 | {
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| 429 | QStringList types;
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| 430 | types << "application/vnd.text.list";
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| 431 | return types;
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| 432 | }
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| 433 |
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| 434 | QMimeData *UIFileSystemModel::mimeData(const QModelIndexList &indexes) const
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| 435 | {
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| 436 | QMimeData *mimeData = new QMimeData();
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| 437 | QByteArray encodedData;
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| 438 |
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| 439 | QDataStream stream(&encodedData, QIODevice::WriteOnly);
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| 440 |
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| 441 | foreach (const QModelIndex &index, indexes) {
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| 442 | if (index.isValid() && index.column() == 0)
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| 443 | {
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| 444 | UIFileSystemItem *pItem = static_cast<UIFileSystemItem*>(index.internalPointer());
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| 445 | if (!pItem)
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| 446 | continue;
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| 447 |
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| 448 | QString strPath = pItem->path();
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| 449 | if (!strPath.contains(".."))
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| 450 | stream << strPath;
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| 451 | }
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| 452 | }
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| 453 |
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| 454 | mimeData->setData("application/vnd.text.list", encodedData);
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| 455 | return mimeData;
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| 456 | }
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| 457 |
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| 458 | UIFileSystemItem* UIFileSystemModel::rootItem()
|
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| 459 | {
|
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| 460 | return m_pRootItem;
|
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| 461 | }
|
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| 462 |
|
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| 463 | const UIFileSystemItem* UIFileSystemModel::rootItem() const
|
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| 464 | {
|
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| 465 | return m_pRootItem;
|
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| 466 | }
|
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| 467 |
|
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| 468 | UIFileSystemModel::~UIFileSystemModel()
|
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| 469 | {
|
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| 470 | delete m_pRootItem;
|
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| 471 | }
|
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| 472 |
|
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| 473 | int UIFileSystemModel::columnCount(const QModelIndex &parent) const
|
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| 474 | {
|
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| 475 | if (parent.isValid())
|
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| 476 | return static_cast<UIFileSystemItem*>(parent.internalPointer())->columnCount();
|
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| 477 | else
|
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| 478 | {
|
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| 479 | if (!rootItem())
|
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| 480 | return 0;
|
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| 481 | else
|
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| 482 | return rootItem()->columnCount();
|
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| 483 | }
|
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| 484 | }
|
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| 485 |
|
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| 486 | bool UIFileSystemModel::setData(const QModelIndex &index, const QVariant &value, int role)
|
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| 487 | {
|
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| 488 | if (index.isValid() && role == Qt::EditRole)
|
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| 489 | {
|
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| 490 | if (index.column() == 0 && value.canConvert(QMetaType(QMetaType::QString)))
|
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| 491 | {
|
---|
| 492 | UIFileSystemItem *pItem = static_cast<UIFileSystemItem*>(index.internalPointer());
|
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| 493 | if (!pItem)
|
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| 494 | return false;
|
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| 495 | QString strOldName = pItem->fileObjectName();
|
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| 496 | QString strOldPath = pItem->path();
|
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| 497 | pItem->setData(value, index.column());
|
---|
| 498 | emit dataChanged(index, index);
|
---|
| 499 | emit sigItemRenamed(pItem, strOldPath, strOldName, value.toString());
|
---|
| 500 | return true;
|
---|
| 501 | }
|
---|
| 502 | }
|
---|
| 503 | return false;
|
---|
| 504 | }
|
---|
| 505 |
|
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| 506 | QVariant UIFileSystemModel::data(const QModelIndex &index, int role) const
|
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| 507 | {
|
---|
| 508 | if (!index.isValid())
|
---|
| 509 | return QVariant();
|
---|
| 510 | UIFileSystemItem *item = static_cast<UIFileSystemItem*>(index.internalPointer());
|
---|
| 511 | if (!item)
|
---|
| 512 | return QVariant();
|
---|
| 513 |
|
---|
| 514 | if (role == Qt::DisplayRole || role == Qt::EditRole)
|
---|
| 515 | {
|
---|
| 516 | /* dont show anything but the name for up directories: */
|
---|
| 517 | if (item->isUpDirectory() && index.column() != UIFileSystemModelData_Name)
|
---|
| 518 | return QVariant();
|
---|
| 519 | /* Format date/time column: */
|
---|
| 520 | if (item->data(index.column()).canConvert(QMetaType(QMetaType::QDateTime)))
|
---|
| 521 | {
|
---|
| 522 | QDateTime dateTime = item->data(index.column()).toDateTime();
|
---|
| 523 | if (dateTime.isValid())
|
---|
| 524 | return dateTime.toString("dd.MM.yyyy hh:mm:ss");
|
---|
| 525 | }
|
---|
| 526 | /* Decide whether to show human-readable file object sizes: */
|
---|
| 527 | if (index.column() == UIFileSystemModelData_Size)
|
---|
| 528 | {
|
---|
| 529 | if (m_fShowHumanReadableSizes)
|
---|
| 530 | {
|
---|
| 531 | qulonglong size = item->data(index.column()).toULongLong();
|
---|
| 532 | return UITranslator::formatSize(size);
|
---|
| 533 | }
|
---|
| 534 | else
|
---|
| 535 | return item->data(index.column());
|
---|
| 536 | }
|
---|
| 537 | if (index.column() == UIFileSystemModelData_DescendantRemovedFromVISO)
|
---|
| 538 | {
|
---|
| 539 | if (item->data(UIFileSystemModelData_DescendantRemovedFromVISO).toBool())
|
---|
| 540 | return QString(QApplication::translate("UIVisoCreatorWidget", "Yes"));
|
---|
| 541 | else
|
---|
| 542 | return QString(QApplication::translate("UIVisoCreatorWidget", "No"));
|
---|
| 543 | }
|
---|
| 544 | return item->data(index.column());
|
---|
| 545 | }
|
---|
| 546 | /* Show file object icons: */
|
---|
| 547 | QString strContainingISOFile = item->data(UIFileSystemModelData_ISOFilePath).toString();
|
---|
| 548 | if (role == Qt::DecorationRole && index.column() == 0)
|
---|
| 549 | {
|
---|
| 550 | if (item->isDirectory())
|
---|
| 551 | {
|
---|
| 552 | if (item->isUpDirectory())
|
---|
| 553 | return QIcon(":/arrow_up_10px_x2.png");
|
---|
| 554 | else if(item->isDriveItem())
|
---|
| 555 | return QIcon(":/hd_32px.png");
|
---|
| 556 | else if (item->isRemovedFromViso())
|
---|
| 557 | return QIcon(":/file_manager_folder_remove_16px.png");
|
---|
| 558 | else if (!strContainingISOFile.isEmpty())
|
---|
| 559 | return QIcon(":/file_manager_folder_cd_16px.png");
|
---|
| 560 | else
|
---|
| 561 | return QIcon(":/file_manager_folder_16px.png");
|
---|
| 562 | }
|
---|
| 563 | else if (item->isFile())
|
---|
| 564 | {
|
---|
| 565 | if (item->isRemovedFromViso())
|
---|
| 566 | return QIcon(":/file_manager_file_remove_16px.png");
|
---|
| 567 | else if (!strContainingISOFile.isEmpty())
|
---|
| 568 | return QIcon(":/file_manager_file_cd_16px.png");
|
---|
| 569 | else
|
---|
| 570 | return QIcon(":/file_manager_file_16px.png");
|
---|
| 571 | }
|
---|
| 572 | else if (item->isSymLink())
|
---|
| 573 | {
|
---|
| 574 | if (item->isSymLinkToADirectory())
|
---|
| 575 | return QIcon(":/file_manager_folder_symlink_16px.png");
|
---|
| 576 | else
|
---|
| 577 | return QIcon(":/file_manager_file_symlink_16px.png");
|
---|
| 578 | }
|
---|
| 579 | }
|
---|
| 580 | if (role == Qt::ToolTipRole)
|
---|
| 581 | {
|
---|
| 582 | if (!item->toolTip().isEmpty())
|
---|
| 583 | return QString(item->toolTip());
|
---|
| 584 | }
|
---|
| 585 | return QVariant();
|
---|
| 586 | }
|
---|
| 587 |
|
---|
| 588 | Qt::ItemFlags UIFileSystemModel::flags(const QModelIndex &index) const
|
---|
| 589 | {
|
---|
| 590 | if (!index.isValid())
|
---|
| 591 | return Qt::ItemFlags();
|
---|
| 592 | UIFileSystemItem *item = static_cast<UIFileSystemItem*>(index.internalPointer());
|
---|
| 593 | if (!item)
|
---|
| 594 | return QAbstractItemModel::flags(index);
|
---|
| 595 |
|
---|
| 596 | if (!item->isUpDirectory() && index.column() == 0)
|
---|
| 597 | return QAbstractItemModel::flags(index) | Qt::ItemIsEditable;
|
---|
| 598 | return QAbstractItemModel::flags(index);
|
---|
| 599 | }
|
---|
| 600 |
|
---|
| 601 | QVariant UIFileSystemModel::headerData(int section, Qt::Orientation orientation,
|
---|
| 602 | int role) const
|
---|
| 603 | {
|
---|
| 604 | if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
|
---|
| 605 | {
|
---|
| 606 | if (!rootItem())
|
---|
| 607 | return QVariant();
|
---|
| 608 | else
|
---|
| 609 | return rootItem()->data(section);
|
---|
| 610 | }
|
---|
| 611 | return QVariant();
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 | QModelIndex UIFileSystemModel::index(const UIFileSystemItem* item)
|
---|
| 615 | {
|
---|
| 616 | if (!item)
|
---|
| 617 | return QModelIndex();
|
---|
| 618 | return createIndex(item->row(), 0, const_cast<UIFileSystemItem*>(item));
|
---|
| 619 | }
|
---|
| 620 |
|
---|
| 621 | QModelIndex UIFileSystemModel::index(int row, int column, const QModelIndex &parent) const
|
---|
| 622 | {
|
---|
| 623 | if (!hasIndex(row, column, parent))
|
---|
| 624 | return QModelIndex();
|
---|
| 625 |
|
---|
| 626 | const UIFileSystemItem* parentItem = rootItem();
|
---|
| 627 |
|
---|
| 628 | if (parent.isValid())
|
---|
| 629 | parentItem = static_cast<UIFileSystemItem*>(parent.internalPointer());
|
---|
| 630 |
|
---|
| 631 | if (!parentItem)
|
---|
| 632 | return QModelIndex();
|
---|
| 633 |
|
---|
| 634 | UIFileSystemItem *childItem = parentItem->child(row);
|
---|
| 635 | if (childItem)
|
---|
| 636 | return createIndex(row, column, childItem);
|
---|
| 637 | else
|
---|
| 638 | return QModelIndex();
|
---|
| 639 | }
|
---|
| 640 |
|
---|
| 641 |
|
---|
| 642 | QModelIndex UIFileSystemModel::parent(const QModelIndex &index) const
|
---|
| 643 | {
|
---|
| 644 | if (!index.isValid())
|
---|
| 645 | return QModelIndex();
|
---|
| 646 |
|
---|
| 647 | UIFileSystemItem *childItem = static_cast<UIFileSystemItem*>(index.internalPointer());
|
---|
| 648 | UIFileSystemItem *parentItem = childItem->parentItem();
|
---|
| 649 |
|
---|
| 650 | if (!parentItem || parentItem == rootItem())
|
---|
| 651 | return QModelIndex();
|
---|
| 652 |
|
---|
| 653 | return createIndex(parentItem->row(), 0, parentItem);
|
---|
| 654 | }
|
---|
| 655 |
|
---|
| 656 | int UIFileSystemModel::rowCount(const QModelIndex &parent) const
|
---|
| 657 | {
|
---|
| 658 | if (parent.column() > 0)
|
---|
| 659 | return 0;
|
---|
| 660 | const UIFileSystemItem *parentItem = rootItem();
|
---|
| 661 | if (parent.isValid())
|
---|
| 662 | parentItem = static_cast<UIFileSystemItem*>(parent.internalPointer());
|
---|
| 663 | if (!parentItem)
|
---|
| 664 | return 0;
|
---|
| 665 | return parentItem->childCount();
|
---|
| 666 | }
|
---|
| 667 |
|
---|
| 668 | void UIFileSystemModel::signalUpdate()
|
---|
| 669 | {
|
---|
| 670 | emit layoutChanged();
|
---|
| 671 | }
|
---|
| 672 |
|
---|
| 673 | QModelIndex UIFileSystemModel::rootIndex() const
|
---|
| 674 | {
|
---|
| 675 | if (!rootItem())
|
---|
| 676 | return QModelIndex();
|
---|
| 677 | if (!rootItem()->child(0))
|
---|
| 678 | return QModelIndex();
|
---|
| 679 | return createIndex(rootItem()->child(0)->row(), 0,
|
---|
| 680 | rootItem()->child(0));
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | void UIFileSystemModel::beginReset()
|
---|
| 684 | {
|
---|
| 685 | beginResetModel();
|
---|
| 686 | }
|
---|
| 687 |
|
---|
| 688 | void UIFileSystemModel::endReset()
|
---|
| 689 | {
|
---|
| 690 | endResetModel();
|
---|
| 691 | }
|
---|
| 692 |
|
---|
| 693 | void UIFileSystemModel::reset()
|
---|
| 694 | {
|
---|
| 695 | AssertPtrReturnVoid(m_pRootItem);
|
---|
| 696 | beginResetModel();
|
---|
| 697 | m_pRootItem->reset();
|
---|
| 698 | endResetModel();
|
---|
| 699 | }
|
---|
| 700 |
|
---|
| 701 | void UIFileSystemModel::setShowHumanReadableSizes(bool fShowHumanReadableSizes)
|
---|
| 702 | {
|
---|
| 703 | m_fShowHumanReadableSizes = fShowHumanReadableSizes;
|
---|
| 704 | }
|
---|
| 705 |
|
---|
| 706 | bool UIFileSystemModel::showHumanReadableSizes() const
|
---|
| 707 | {
|
---|
| 708 | return m_fShowHumanReadableSizes;
|
---|
| 709 | }
|
---|
| 710 |
|
---|
| 711 | void UIFileSystemModel::deleteItem(UIFileSystemItem* pItem)
|
---|
| 712 | {
|
---|
| 713 | if (!pItem)
|
---|
| 714 | return;
|
---|
| 715 | UIFileSystemItem *pParent = pItem->parentItem();
|
---|
| 716 | if (pParent)
|
---|
| 717 | pParent->removeChild(pItem);
|
---|
| 718 | }
|
---|
| 719 |
|
---|
| 720 | void UIFileSystemModel::setIsWindowsFileSystem(bool fIsWindowsFileSystem)
|
---|
| 721 | {
|
---|
| 722 | m_fIsWindowFileSystemModel = fIsWindowsFileSystem;
|
---|
| 723 | }
|
---|
| 724 |
|
---|
| 725 | bool UIFileSystemModel::isWindowsFileSystem() const
|
---|
| 726 | {
|
---|
| 727 | return m_fIsWindowFileSystemModel;
|
---|
| 728 | }
|
---|