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Diffstat (limited to 'src/Authoring/Studio/Palettes/Inspector/ChooserModelBase.cpp')
| -rw-r--r-- | src/Authoring/Studio/Palettes/Inspector/ChooserModelBase.cpp | 630 |
1 files changed, 0 insertions, 630 deletions
diff --git a/src/Authoring/Studio/Palettes/Inspector/ChooserModelBase.cpp b/src/Authoring/Studio/Palettes/Inspector/ChooserModelBase.cpp deleted file mode 100644 index 3a1a008b..00000000 --- a/src/Authoring/Studio/Palettes/Inspector/ChooserModelBase.cpp +++ /dev/null @@ -1,630 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#include <QtCore/qset.h> - -#include "Qt3DSCommonPrecompile.h" - -#include "ChooserModelBase.h" -#include "Core.h" -#include "Dispatch.h" -#include "Doc.h" -#include "StudioUtils.h" -#include "Qt3DSFileTools.h" -#include "ImportUtils.h" -#include "StudioApp.h" - -ChooserModelBase::ChooserModelBase(QObject *parent) : QAbstractListModel(parent) - , m_model(new QFileSystemModel(this)) -{ - connect(m_model, &QAbstractItemModel::rowsInserted, this, &ChooserModelBase::modelRowsInserted); - connect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved, this, &ChooserModelBase::modelRowsRemoved); - connect(m_model, &QAbstractItemModel::layoutChanged, this, &ChooserModelBase::modelLayoutChanged); - - g_StudioApp.GetCore()->GetDispatch()->AddPresentationChangeListener(this); - - rebuild(); -} - -ChooserModelBase::~ChooserModelBase() -{ - g_StudioApp.GetCore()->GetDispatch()->RemovePresentationChangeListener(this); -} - -QHash<int, QByteArray> ChooserModelBase::roleNames() const -{ - auto modelRoleNames = m_model->roleNames(); - modelRoleNames.insert(IsExpandableRole, "isExpandable"); - modelRoleNames.insert(DepthRole, "depth"); - modelRoleNames.insert(ExpandedRole, "expanded"); - modelRoleNames.insert(IsSelectableRole, "isSelectable"); - modelRoleNames.insert(IsCurrentFile, "isCurrentFile"); - return modelRoleNames; -} - -int ChooserModelBase::rowCount(const QModelIndex &) const -{ - return getFixedItems().count() + m_items.count(); -} - -QVariant ChooserModelBase::data(const QModelIndex &index, int role) const -{ - const int row = index.row(); - - const auto fixedItems = getFixedItems(); - const int fixedItemCount = fixedItems.count(); - - if (row < fixedItemCount) { - const auto &item = fixedItems.at(row); - - switch (role) { - case Qt::DecorationRole: - if (!item.iconSource.isEmpty()) { - return StudioUtils::resourceImageUrl() + item.iconSource; - } else { - return StudioUtils::resourceImageUrl() - + CStudioObjectTypes::GetNormalIconName(item.iconType); - } - - case IsExpandableRole: - return false; - - case DepthRole: - return 0; - - case ExpandedRole: - return false; - - case IsSelectableRole: - return true; - - case IsCurrentFile: - return item.name == m_currentFile; - - default: - return item.name; - } - } else { - const auto &item = m_items.at(row - fixedItemCount); - - switch (role) { - case Qt::DecorationRole: { - QString path = item.index.data(QFileSystemModel::FilePathRole).toString(); - return StudioUtils::resourceImageUrl() + getIconName(path); - } - - case IsExpandableRole: { - QFileInfo fileInfo(item.index.data(QFileSystemModel::FilePathRole).toString()); - return fileInfo.isDir(); - } - - case DepthRole: - return item.depth; - - case ExpandedRole: - return item.expanded; - - case IsSelectableRole: { - QFileInfo fileInfo(item.index.data(QFileSystemModel::FilePathRole).toString()); - return fileInfo.isFile(); - } - - case IsCurrentFile: { - QString path = item.index.data(QFileSystemModel::FilePathRole).toString(); - return path == m_currentFile; - } - - case QFileSystemModel::FileNameRole: { - QString displayName = specialDisplayName(item); - if (displayName.isEmpty()) - displayName = m_model->data(item.index, QFileSystemModel::FileNameRole).toString(); - return displayName; - } - - default: - return m_model->data(item.index, role).toString(); - } - } -} - -void ChooserModelBase::setCurrentFile(const QString &path) -{ - const auto fixedItems = getFixedItems(); - const int fixedItemCount = fixedItems.count(); - const auto getFixedItemIndex = [fixedItemCount, &fixedItems](const QString &path) -> int { - for (int i = 0; i < fixedItemCount; ++i) { - const auto &item = fixedItems.at(i); - if (item.name == path) - return i; - } - return -1; - }; - int fixedItemIndex = getFixedItemIndex(path); - - const auto doc = g_StudioApp.GetCore()->GetDoc(); - const QDir documentDir(doc->GetDocumentDirectory()); - const QString fullPath = fixedItemIndex == -1 ? QDir::cleanPath(documentDir.filePath(path)) - : path; - - if (fullPath != m_currentFile) { - const auto fileRow = [this, getFixedItemIndex, fixedItemCount](const QString &path) -> int - { - const int fixedItemIndex = getFixedItemIndex(path); - if (fixedItemIndex != -1) - return fixedItemIndex; - - const int itemCount = m_items.count(); - - for (int i = 0; i < itemCount; ++i) { - const auto &item = m_items.at(i); - - if (item.index.data(QFileSystemModel::FilePathRole).toString() == path) - return fixedItemCount + i; - } - - return -1; - }; - - int previousRow = fileRow(m_currentFile); - int currentRow = fileRow(fullPath); - - m_currentFile = fullPath; - - if (previousRow != -1) - Q_EMIT dataChanged(index(previousRow), index(previousRow)); - - if (currentRow != -1) - Q_EMIT dataChanged(index(currentRow), index(currentRow)); - } - - // expand parent folder if current file is hidden - auto matched = m_model->match(m_rootIndex, QFileSystemModel::FilePathRole, path, 1, - Qt::MatchExactly|Qt::MatchRecursive); - if (!matched.isEmpty()) { - auto modelIndex = matched.first(); - if (modelIndexRow(modelIndex) == -1) - expand(m_model->parent(modelIndex)); - } -} - -void ChooserModelBase::expand(const QModelIndex &modelIndex) -{ - if (modelIndex == m_rootIndex) - return; - - int row = modelIndexRow(modelIndex); - if (row == -1) { - QModelIndex parentIndex = m_model->parent(modelIndex); - expand(parentIndex); - - row = modelIndexRow(modelIndex); - Q_ASSERT(row != -1); - } - - if (!m_items.at(row).expanded) - expand(row + getFixedItems().count()); -} - -void ChooserModelBase::setRootPath(const QString &path) -{ - // Delete the old model. If the new project is in a totally different directory tree, not - // doing this will result in unexplicable crashes when trying to parse something that should - // not be parsed. - disconnect(m_model, &QAbstractItemModel::rowsInserted, - this, &ChooserModelBase::modelRowsInserted); - disconnect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved, - this, &ChooserModelBase::modelRowsRemoved); - disconnect(m_model, &QAbstractItemModel::layoutChanged, - this, &ChooserModelBase::modelLayoutChanged); - delete m_model; - m_model = new QFileSystemModel(this); - connect(m_model, &QAbstractItemModel::rowsInserted, - this, &ChooserModelBase::modelRowsInserted); - connect(m_model, &QAbstractItemModel::rowsAboutToBeRemoved, - this, &ChooserModelBase::modelRowsRemoved); - connect(m_model, &QAbstractItemModel::layoutChanged, - this, &ChooserModelBase::modelLayoutChanged); - - setRootIndex(m_model->setRootPath(path)); -} - -void ChooserModelBase::setRootIndex(const QModelIndex &rootIndex) -{ - if (rootIndex != m_rootIndex) { - clearModelData(); - m_rootIndex = rootIndex; - showModelTopLevelItems(); - } -} - -void ChooserModelBase::clearModelData() -{ - if (!m_items.isEmpty()) { - const auto fixedItemCount = getFixedItems().count(); - beginRemoveRows({}, fixedItemCount, fixedItemCount + m_items.count() - 1); - m_items.clear(); - endRemoveRows(); - } -} - -void ChooserModelBase::showModelTopLevelItems() -{ - int rowCount = m_model->rowCount(m_rootIndex); - - if (rowCount == 0) { - if (m_model->hasChildren(m_rootIndex) && m_model->canFetchMore(m_rootIndex)) - m_model->fetchMore(m_rootIndex); - } else { - showModelChildItems(m_rootIndex, 0, rowCount - 1); - - for (int i = 0; i < rowCount; ++i) { - const auto &childIndex = m_model->index(i, 0, m_rootIndex); - if (m_model->hasChildren(childIndex) && m_model->canFetchMore(childIndex)) - m_model->fetchMore(childIndex); - } - } -} - -void ChooserModelBase::showModelChildItems(const QModelIndex &parentIndex, int start, int end) -{ - QVector<QModelIndex> rowsToInsert; - for (int i = start; i <= end; ++i) { - const auto &childIndex = m_model->index(i, 0, parentIndex); - if (isVisible(childIndex)) - rowsToInsert.append(childIndex); - } - - const int insertCount = rowsToInsert.count(); - - if (insertCount != 0) { - TreeItem *parent; - int depth, startRow; - - if (parentIndex == m_rootIndex) { - parent = nullptr; - depth = 0; - startRow = 0; - } else { - const int parentRow = modelIndexRow(parentIndex); - Q_ASSERT(parentRow != -1 && isVisible(parentIndex)); - parent = &m_items[parentRow]; - depth = parent->depth + 1; - startRow = parentRow + parent->childCount + 1; - } - - const int fixedItemCount = getFixedItems().count(); - beginInsertRows({}, startRow + fixedItemCount, startRow + fixedItemCount + insertCount - 1); - - for (auto it = rowsToInsert.rbegin(); it != rowsToInsert.rend(); ++it) - m_items.insert(startRow, { *it, depth, false, parent, 0 }); - - for (; parent != nullptr; parent = parent->parent) - parent->childCount += insertCount; - - endInsertRows(); - } -} - -void ChooserModelBase::expand(int row) -{ - const int fixedItemCount = getFixedItems().count(); - Q_ASSERT(row >= fixedItemCount && row < fixedItemCount + m_items.count()); - - auto &item = m_items[row - fixedItemCount]; - Q_ASSERT(item.expanded == false); - - const auto &modelIndex = item.index; - - const int rowCount = m_model->rowCount(modelIndex); - if (rowCount == 0) { - if (m_model->hasChildren(modelIndex) && m_model->canFetchMore(modelIndex)) - m_model->fetchMore(modelIndex); - } else { - showModelChildItems(modelIndex, 0, rowCount - 1); - } - - item.expanded = true; - Q_EMIT dataChanged(index(row), index(row)); -} - -void ChooserModelBase::collapse(int row) -{ - const int fixedItemCount = getFixedItems().count(); - Q_ASSERT(row >= fixedItemCount && row < fixedItemCount + m_items.count()); - - auto &item = m_items[row - fixedItemCount]; - Q_ASSERT(item.expanded == true); - - const int childCount = item.childCount; - - if (childCount > 0) { - beginRemoveRows({}, row + 1, row + childCount); - - auto first = std::begin(m_items) + row - fixedItemCount + 1; - m_items.erase(first, first + childCount); - - for (auto parent = &item; parent != nullptr; parent = parent->parent) - parent->childCount -= childCount; - - endRemoveRows(); - } - - item.expanded = false; - Q_EMIT dataChanged(index(row), index(row)); -} - -void ChooserModelBase::OnNewPresentation() -{ - rebuild(); -} - -int ChooserModelBase::modelIndexRow(const QModelIndex &modelIndex) const -{ - auto it = std::find_if(std::begin(m_items), std::end(m_items), - [&modelIndex](const TreeItem &item) - { - return item.index == modelIndex; - }); - - return it != std::end(m_items) ? std::distance(std::begin(m_items), it) : -1; -} - -bool ChooserModelBase::isExpanded(const QModelIndex &modelIndex) const -{ - if (modelIndex == m_rootIndex) { - return true; - } else { - const int row = modelIndexRow(modelIndex); - return row != -1 && m_items.at(row).expanded; - } -} - -EStudioObjectType ChooserModelBase::getIconType(const QString &path) const -{ - return Q3DStudio::ImportUtils::GetObjectFileTypeForFile(path).m_IconType; -} - -QString ChooserModelBase::specialDisplayName(const ChooserModelBase::TreeItem &item) const -{ - Q_UNUSED(item) - return {}; -} - -QString ChooserModelBase::getIconName(const QString &path) const -{ - QString iconName; - - QFileInfo fileInfo(path); - if (fileInfo.isFile()) { - EStudioObjectType type = getIconType(path); - if (type != OBJTYPE_UNKNOWN) - iconName = CStudioObjectTypes::GetNormalIconName(type); - else - iconName = QStringLiteral("Objects-Layer-Normal.png"); - } else { - iconName = QStringLiteral("Objects-Folder-Normal.png"); - } - - return iconName; -} - -bool ChooserModelBase::isVisible(const QModelIndex &modelIndex) const -{ - QString path = modelIndex.data(QFileSystemModel::FilePathRole).toString(); - QFileInfo fileInfo(path); - - if (fileInfo.isFile()) { - return isVisible(path); - } else { - return hasVisibleChildren(modelIndex); - } -} - -bool ChooserModelBase::hasVisibleChildren(const QModelIndex &modelIndex) const -{ - int rowCount = m_model->rowCount(modelIndex); - - for (int i = 0; i < rowCount; ++i) { - const auto &childIndex = m_model->index(i, 0, modelIndex); - - if (m_model->hasChildren(childIndex)) { - if (hasVisibleChildren(childIndex)) - return true; - } else { - QString path = childIndex.data(QFileSystemModel::FilePathRole).toString(); - QFileInfo fileInfo(path); - if (fileInfo.isFile() && isVisible(path)) - return true; - } - } - - return false; -} - -void ChooserModelBase::modelRowsInserted(const QModelIndex &parentIndex, int start, int end) -{ - if (!m_rootIndex.isValid()) - return; - - if (isExpanded(parentIndex)) { - showModelChildItems(parentIndex, start, end); - } else { - if (modelIndexRow(parentIndex) == -1) { - // parent wasn't inserted in model yet, check if any of the new rows is visible - - bool visible = false; - - for (int i = start; i <= end; ++i) { - const auto &childIndex = m_model->index(i, 0, parentIndex); - QString path = childIndex.data(QFileSystemModel::FilePathRole).toString(); - QFileInfo fileInfo(path); - if (fileInfo.isFile() && isVisible(path)) { - visible = true; - break; - } - } - - // if any of the new rows is visible, insert parent folder index into model - - if (visible) { - QModelIndex index = parentIndex, parent = m_model->parent(parentIndex); - - while (parent != m_rootIndex && modelIndexRow(parent) == -1) { - index = parent; - parent = m_model->parent(parent); - } - - if (isExpanded(parent) && modelIndexRow(index) == -1) { - const int row = index.row(); - showModelChildItems(parent, row, row); - } - } - } - - // if one of the new rows is the current file expand parent folder - - bool containsCurrent = false; - - for (int i = start; i <= end; ++i) { - const auto &childIndex = m_model->index(i, 0, parentIndex); - if (childIndex.data(QFileSystemModel::FilePathRole).toString() == m_currentFile) { - containsCurrent = true; - break; - } - } - - if (containsCurrent) - expand(parentIndex); - } - - // fetch children so we're notified when files are added or removed - - for (int i = start; i <= end; ++i) { - const auto &childIndex = m_model->index(i, 0, parentIndex); - if (m_model->hasChildren(childIndex) && m_model->canFetchMore(childIndex)) - m_model->fetchMore(childIndex); - } -} - -void ChooserModelBase::modelRowsRemoved(const QModelIndex &parentIndex, int start, int end) -{ - if (!m_rootIndex.isValid()) - return; - - if (isExpanded(parentIndex)) { - const auto fixedItems = getFixedItems(); - - const auto removeRow = [this, &fixedItems](int row) - { - const auto &item = m_items.at(row); - - const int fixedItemCount = fixedItems.count(); - beginRemoveRows({}, row + fixedItemCount, row + fixedItemCount + item.childCount); - - for (auto parent = item.parent; parent != nullptr; parent = parent->parent) - parent->childCount -= 1 + item.childCount; - - m_items.erase(std::begin(m_items) + row, std::begin(m_items) + row + item.childCount + 1); - - endRemoveRows(); - }; - - // remove rows - - for (int i = start; i <= end; ++i) { - const int row = modelIndexRow(m_model->index(i, 0, parentIndex)); - if (row != -1) - removeRow(row); - } - - // also remove folder row if there are no more visible children - - QModelIndex index = parentIndex; - - while (index != m_rootIndex && !hasVisibleChildren(index)) { - const int row = modelIndexRow(index); - Q_ASSERT(row != -1); - removeRow(row); - index = m_model->parent(index); - } - } -} - -void ChooserModelBase::modelLayoutChanged() -{ - if (!m_rootIndex.isValid()) - return; - - QSet<QPersistentModelIndex> expandedItems; - for (const auto &item : m_items) { - if (item.expanded) - expandedItems.insert(item.index); - } - - const std::function<int(const QModelIndex &, TreeItem *)> insertChildren = - [this, &expandedItems, &insertChildren](const QModelIndex &parentIndex, TreeItem *parent) - { - Q_ASSERT(parentIndex == m_rootIndex || isVisible(parentIndex)); - - const int rowCount = m_model->rowCount(parentIndex); - const int depth = parent == nullptr ? 0 : parent->depth + 1; - - int childCount = 0; - - for (int i = 0; i < rowCount; ++i) { - const auto &childIndex = m_model->index(i, 0, parentIndex); - if (isVisible(childIndex)) { - const bool expanded = expandedItems.contains(childIndex); - m_items.append({ childIndex, depth, expanded, parent, 0 }); - auto &item = m_items.last(); - if (expanded) { - item.childCount = insertChildren(childIndex, &item); - childCount += item.childCount; - } - ++childCount; - } - } - - return childCount; - }; - - const int itemCount = m_items.count(); - - m_items.clear(); - m_items.reserve(itemCount); - - insertChildren(m_rootIndex, nullptr); - Q_ASSERT(m_items.count() == itemCount); - - const int fixedItemCount = getFixedItems().count(); - Q_EMIT dataChanged(index(fixedItemCount), index(fixedItemCount + itemCount - 1)); -} - -void ChooserModelBase::rebuild() -{ - setRootPath(g_StudioApp.GetCore()->getProjectFile().getProjectPath()); -} |