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authorAndrea Diamantini <adjam7@gmail.com>2009-08-27 00:53:05 +0200
committerAndrea Diamantini <adjam7@gmail.com>2009-08-27 00:53:05 +0200
commit448245e86b72c463d3e207d45543e4cc78091409 (patch)
tree8695d13b631a14c6d905f667b85ee2114ca8f9f3 /src/history.cpp
parentFixed BKO mail, to address bugs there instead of rekonq mailing list (diff)
downloadrekonq-448245e86b72c463d3e207d45543e4cc78091409.tar.xz
Splitted history classes
Diffstat (limited to 'src/history.cpp')
-rw-r--r--src/history.cpp922
1 files changed, 1 insertions, 921 deletions
diff --git a/src/history.cpp b/src/history.cpp
index da13b3d0..f21331eb 100644
--- a/src/history.cpp
+++ b/src/history.cpp
@@ -34,6 +34,7 @@
#include "rekonq.h"
// Local Includes
+#include "historymodels.h"
#include "autosaver.h"
#include "application.h"
@@ -418,924 +419,3 @@ void HistoryManager::save()
}
m_lastSavedUrl = m_history.value(0).url;
}
-
-
-// --------------------------------------------------------------------------------------------------------------------------
-
-
-HistoryModel::HistoryModel(HistoryManager *history, QObject *parent)
- : QAbstractTableModel(parent)
- , m_history(history)
-{
- Q_ASSERT(m_history);
- connect(m_history, SIGNAL(historyReset()), this, SLOT(historyReset()));
- connect(m_history, SIGNAL(entryRemoved(const HistoryItem &)), this, SLOT(historyReset()));
- connect(m_history, SIGNAL(entryAdded(const HistoryItem &)), this, SLOT(entryAdded()));
- connect(m_history, SIGNAL(entryUpdated(int)), this, SLOT(entryUpdated(int)));
-}
-
-
-void HistoryModel::historyReset()
-{
- reset();
-}
-
-
-void HistoryModel::entryAdded()
-{
- beginInsertRows(QModelIndex(), 0, 0);
- endInsertRows();
-}
-
-
-void HistoryModel::entryUpdated(int offset)
-{
- QModelIndex idx = index(offset, 0);
- emit dataChanged(idx, idx);
-}
-
-
-QVariant HistoryModel::headerData(int section, Qt::Orientation orientation, int role) const
-{
- if (orientation == Qt::Horizontal
- && role == Qt::DisplayRole)
- {
- switch (section)
- {
- case 0: return i18n("Title");
- case 1: return i18n("Address");
- }
- }
- return QAbstractTableModel::headerData(section, orientation, role);
-}
-
-
-QVariant HistoryModel::data(const QModelIndex &index, int role) const
-{
- QList<HistoryItem> lst = m_history->history();
- if (index.row() < 0 || index.row() >= lst.size())
- return QVariant();
-
- const HistoryItem &item = lst.at(index.row());
- switch (role)
- {
- case DateTimeRole:
- return item.dateTime;
- case DateRole:
- return item.dateTime.date();
- case UrlRole:
- return QUrl(item.url);
- case UrlStringRole:
- return item.url;
- case Qt::DisplayRole:
- case Qt::EditRole:
- {
- switch (index.column())
- {
- case 0:
- // when there is no title try to generate one from the url
- if (item.title.isEmpty())
- {
- QString page = QFileInfo(QUrl(item.url).path()).fileName();
- if (!page.isEmpty())
- return page;
- return item.url;
- }
- return item.title;
- case 1:
- return item.url;
- }
- }
- case Qt::DecorationRole:
- if (index.column() == 0)
- {
- return Application::icon(item.url);
- }
- }
- return QVariant();
-}
-
-
-int HistoryModel::columnCount(const QModelIndex &parent) const
-{
- return (parent.isValid()) ? 0 : 2;
-}
-
-
-int HistoryModel::rowCount(const QModelIndex &parent) const
-{
- return (parent.isValid()) ? 0 : m_history->history().count();
-}
-
-
-bool HistoryModel::removeRows(int row, int count, const QModelIndex &parent)
-{
- if (parent.isValid())
- return false;
- int lastRow = row + count - 1;
- beginRemoveRows(parent, row, lastRow);
- QList<HistoryItem> lst = m_history->history();
- for (int i = lastRow; i >= row; --i)
- lst.removeAt(i);
- disconnect(m_history, SIGNAL(historyReset()), this, SLOT(historyReset()));
- m_history->setHistory(lst);
- connect(m_history, SIGNAL(historyReset()), this, SLOT(historyReset()));
- endRemoveRows();
- return true;
-}
-
-
-
-// -----------------------------------------------------------------------------------------------
-
-
-#define MOVEDROWS 20
-
-
-/*
- Maps the first bunch of items of the source model to the root
-*/
-HistoryMenuModel::HistoryMenuModel(HistoryTreeModel *sourceModel, QObject *parent)
- : QAbstractProxyModel(parent)
- , m_treeModel(sourceModel)
-{
- setSourceModel(sourceModel);
-}
-
-
-int HistoryMenuModel::bumpedRows() const
-{
- QModelIndex first = m_treeModel->index(0, 0);
- if (!first.isValid())
- return 0;
- return qMin(m_treeModel->rowCount(first), MOVEDROWS);
-}
-
-
-int HistoryMenuModel::columnCount(const QModelIndex &parent) const
-{
- return m_treeModel->columnCount(mapToSource(parent));
-}
-
-
-int HistoryMenuModel::rowCount(const QModelIndex &parent) const
-{
- if (parent.column() > 0)
- return 0;
-
- if (!parent.isValid())
- {
- int folders = sourceModel()->rowCount();
- int bumpedItems = bumpedRows();
- if (bumpedItems <= MOVEDROWS
- && bumpedItems == sourceModel()->rowCount(sourceModel()->index(0, 0)))
- --folders;
- return bumpedItems + folders;
- }
-
- if (parent.internalId() == -1)
- {
- if (parent.row() < bumpedRows())
- return 0;
- }
-
- QModelIndex idx = mapToSource(parent);
- int defaultCount = sourceModel()->rowCount(idx);
- if (idx == sourceModel()->index(0, 0))
- return defaultCount - bumpedRows();
- return defaultCount;
-}
-
-
-QModelIndex HistoryMenuModel::mapFromSource(const QModelIndex &sourceIndex) const
-{
- // currently not used or autotested
- Q_ASSERT(false);
- int sr = m_treeModel->mapToSource(sourceIndex).row();
- return createIndex(sourceIndex.row(), sourceIndex.column(), sr);
-}
-
-
-QModelIndex HistoryMenuModel::mapToSource(const QModelIndex &proxyIndex) const
-{
- if (!proxyIndex.isValid())
- return QModelIndex();
-
- if (proxyIndex.internalId() == -1)
- {
- int bumpedItems = bumpedRows();
- if (proxyIndex.row() < bumpedItems)
- return m_treeModel->index(proxyIndex.row(), proxyIndex.column(), m_treeModel->index(0, 0));
- if (bumpedItems <= MOVEDROWS && bumpedItems == sourceModel()->rowCount(m_treeModel->index(0, 0)))
- --bumpedItems;
- return m_treeModel->index(proxyIndex.row() - bumpedItems, proxyIndex.column());
- }
-
- QModelIndex historyIndex = m_treeModel->sourceModel()->index(proxyIndex.internalId(), proxyIndex.column());
- QModelIndex treeIndex = m_treeModel->mapFromSource(historyIndex);
- return treeIndex;
-}
-
-
-QModelIndex HistoryMenuModel::index(int row, int column, const QModelIndex &parent) const
-{
- if (row < 0
- || column < 0 || column >= columnCount(parent)
- || parent.column() > 0)
- return QModelIndex();
- if (!parent.isValid())
- return createIndex(row, column, -1);
-
- QModelIndex treeIndexParent = mapToSource(parent);
-
- int bumpedItems = 0;
- if (treeIndexParent == m_treeModel->index(0, 0))
- bumpedItems = bumpedRows();
- QModelIndex treeIndex = m_treeModel->index(row + bumpedItems, column, treeIndexParent);
- QModelIndex historyIndex = m_treeModel->mapToSource(treeIndex);
- int historyRow = historyIndex.row();
- if (historyRow == -1)
- historyRow = treeIndex.row();
- return createIndex(row, column, historyRow);
-}
-
-
-QModelIndex HistoryMenuModel::parent(const QModelIndex &index) const
-{
- int offset = index.internalId();
- if (offset == -1 || !index.isValid())
- return QModelIndex();
-
- QModelIndex historyIndex = m_treeModel->sourceModel()->index(index.internalId(), 0);
- QModelIndex treeIndex = m_treeModel->mapFromSource(historyIndex);
- QModelIndex treeIndexParent = treeIndex.parent();
-
- int sr = m_treeModel->mapToSource(treeIndexParent).row();
- int bumpedItems = bumpedRows();
- if (bumpedItems <= MOVEDROWS && bumpedItems == sourceModel()->rowCount(sourceModel()->index(0, 0)))
- --bumpedItems;
- return createIndex(bumpedItems + treeIndexParent.row(), treeIndexParent.column(), sr);
-}
-
-
-// --------------------------------------------------------------------------------------------------------------
-
-
-TreeProxyModel::TreeProxyModel(QObject *parent) : QSortFilterProxyModel(parent)
-{
- setSortRole(HistoryModel::DateTimeRole);
- setFilterCaseSensitivity(Qt::CaseInsensitive);
-}
-
-
-bool TreeProxyModel::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
-{
- if (!source_parent.isValid())
- return true;
- return QSortFilterProxyModel::filterAcceptsRow(source_row, source_parent);
-}
-
-
-// -------------------------------------------------------------------------------------------------------------
-
-
-HistoryFilterModel::HistoryFilterModel(QAbstractItemModel *sourceModel, QObject *parent)
- : QAbstractProxyModel(parent),
- m_loaded(false)
-{
- setSourceModel(sourceModel);
-}
-
-
-int HistoryFilterModel::historyLocation(const QString &url) const
-{
- load();
- if (!m_historyHash.contains(url))
- return 0;
- return sourceModel()->rowCount() - m_historyHash.value(url);
-}
-
-
-QVariant HistoryFilterModel::data(const QModelIndex &index, int role) const
-{
- return QAbstractProxyModel::data(index, role);
-}
-
-
-void HistoryFilterModel::setSourceModel(QAbstractItemModel *newSourceModel)
-{
- if (sourceModel())
- {
- disconnect(sourceModel(), SIGNAL(modelReset()), this, SLOT(sourceReset()));
- disconnect(sourceModel(), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
- this, SLOT(dataChanged(const QModelIndex &, const QModelIndex &)));
- disconnect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
- disconnect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- }
-
- QAbstractProxyModel::setSourceModel(newSourceModel);
-
- if (sourceModel())
- {
- m_loaded = false;
- connect(sourceModel(), SIGNAL(modelReset()), this, SLOT(sourceReset()));
- connect(sourceModel(), SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)),
- this, SLOT(sourceDataChanged(const QModelIndex &, const QModelIndex &)));
- connect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
- connect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- }
-}
-
-
-void HistoryFilterModel::sourceDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
-{
- emit dataChanged(mapFromSource(topLeft), mapFromSource(bottomRight));
-}
-
-
-QVariant HistoryFilterModel::headerData(int section, Qt::Orientation orientation, int role) const
-{
- return sourceModel()->headerData(section, orientation, role);
-}
-
-
-void HistoryFilterModel::sourceReset()
-{
- m_loaded = false;
- reset();
-}
-
-
-int HistoryFilterModel::rowCount(const QModelIndex &parent) const
-{
- load();
- if (parent.isValid())
- return 0;
- return m_historyHash.count();
-}
-
-
-int HistoryFilterModel::columnCount(const QModelIndex &parent) const
-{
- return (parent.isValid()) ? 0 : 2;
-}
-
-
-QModelIndex HistoryFilterModel::mapToSource(const QModelIndex &proxyIndex) const
-{
- load();
- int sourceRow = sourceModel()->rowCount() - proxyIndex.internalId();
- return sourceModel()->index(sourceRow, proxyIndex.column());
-}
-
-
-QModelIndex HistoryFilterModel::mapFromSource(const QModelIndex &sourceIndex) const
-{
- load();
- QString url = sourceIndex.data(HistoryModel::UrlStringRole).toString();
- if (!m_historyHash.contains(url))
- return QModelIndex();
-
- // This can be done in a binary search, but we can't use qBinary find
- // because it can't take: qBinaryFind(m_sourceRow.end(), m_sourceRow.begin(), v);
- // so if this is a performance bottlneck then convert to binary search, until then
- // the cleaner/easier to read code wins the day.
- int realRow = -1;
- int sourceModelRow = sourceModel()->rowCount() - sourceIndex.row();
-
- for (int i = 0; i < m_sourceRow.count(); ++i)
- {
- if (m_sourceRow.at(i) == sourceModelRow)
- {
- realRow = i;
- break;
- }
- }
- if (realRow == -1)
- return QModelIndex();
-
- return createIndex(realRow, sourceIndex.column(), sourceModel()->rowCount() - sourceIndex.row());
-}
-
-
-QModelIndex HistoryFilterModel::index(int row, int column, const QModelIndex &parent) const
-{
- load();
- if (row < 0 || row >= rowCount(parent)
- || column < 0 || column >= columnCount(parent))
- return QModelIndex();
-
- return createIndex(row, column, m_sourceRow[row]);
-}
-
-
-QModelIndex HistoryFilterModel::parent(const QModelIndex &) const
-{
- return QModelIndex();
-}
-
-
-void HistoryFilterModel::load() const
-{
- if (m_loaded)
- return;
- m_sourceRow.clear();
- m_historyHash.clear();
- m_historyHash.reserve(sourceModel()->rowCount());
- for (int i = 0; i < sourceModel()->rowCount(); ++i)
- {
- QModelIndex idx = sourceModel()->index(i, 0);
- QString url = idx.data(HistoryModel::UrlStringRole).toString();
- if (!m_historyHash.contains(url))
- {
- m_sourceRow.append(sourceModel()->rowCount() - i);
- m_historyHash[url] = sourceModel()->rowCount() - i;
- }
- }
- m_loaded = true;
-}
-
-
-void HistoryFilterModel::sourceRowsInserted(const QModelIndex &parent, int start, int end)
-{
- Q_ASSERT(start == end && start == 0);
- Q_UNUSED(end);
- if (!m_loaded)
- return;
- QModelIndex idx = sourceModel()->index(start, 0, parent);
- QString url = idx.data(HistoryModel::UrlStringRole).toString();
- if (m_historyHash.contains(url))
- {
- int sourceRow = sourceModel()->rowCount() - m_historyHash[url];
- int realRow = mapFromSource(sourceModel()->index(sourceRow, 0)).row();
- beginRemoveRows(QModelIndex(), realRow, realRow);
- m_sourceRow.removeAt(realRow);
- m_historyHash.remove(url);
- endRemoveRows();
- }
- beginInsertRows(QModelIndex(), 0, 0);
- m_historyHash.insert(url, sourceModel()->rowCount() - start);
- m_sourceRow.insert(0, sourceModel()->rowCount());
- endInsertRows();
-}
-
-
-void HistoryFilterModel::sourceRowsRemoved(const QModelIndex &, int start, int end)
-{
- Q_UNUSED(start);
- Q_UNUSED(end);
- sourceReset();
-}
-
-
-/*
- Removing a continuous block of rows will remove filtered rows too as this is
- the users intention.
-*/
-bool HistoryFilterModel::removeRows(int row, int count, const QModelIndex &parent)
-{
- if (row < 0 || count <= 0 || row + count > rowCount(parent) || parent.isValid())
- return false;
- int lastRow = row + count - 1;
- disconnect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- beginRemoveRows(parent, row, lastRow);
- int oldCount = rowCount();
- int start = sourceModel()->rowCount() - m_sourceRow.value(row);
- int end = sourceModel()->rowCount() - m_sourceRow.value(lastRow);
- sourceModel()->removeRows(start, end - start + 1);
- endRemoveRows();
- connect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- m_loaded = false;
- if (oldCount - count != rowCount())
- reset();
- return true;
-}
-
-
-// ------------------------------------------------------------------------------------------------------
-
-
-HistoryCompletionModel::HistoryCompletionModel(QObject *parent)
- : QAbstractProxyModel(parent)
-{
-}
-
-
-QVariant HistoryCompletionModel::data(const QModelIndex &index, int role) const
-{
- if (sourceModel()
- && (role == Qt::EditRole || role == Qt::DisplayRole)
- && index.isValid())
- {
- QModelIndex idx = mapToSource(index);
- idx = idx.sibling(idx.row(), 1);
- QString urlString = idx.data(HistoryModel::UrlStringRole).toString();
- if (index.row() % 2)
- {
- QUrl url = urlString;
- QString s = url.toString(QUrl::RemoveScheme
- | QUrl::RemoveUserInfo
- | QUrl::StripTrailingSlash);
- return s.mid(2); // strip // from the front
- }
- return urlString;
- }
- return QAbstractProxyModel::data(index, role);
-}
-
-
-int HistoryCompletionModel::rowCount(const QModelIndex &parent) const
-{
- return (parent.isValid() || !sourceModel()) ? 0 : sourceModel()->rowCount(parent) * 2;
-}
-
-
-int HistoryCompletionModel::columnCount(const QModelIndex &parent) const
-{
- return (parent.isValid()) ? 0 : 1;
-}
-
-
-QModelIndex HistoryCompletionModel::mapFromSource(const QModelIndex &sourceIndex) const
-{
- int row = sourceIndex.row() * 2;
- return index(row, sourceIndex.column());
-}
-
-
-QModelIndex HistoryCompletionModel::mapToSource(const QModelIndex &proxyIndex) const
-{
- if (!sourceModel())
- return QModelIndex();
- int row = proxyIndex.row() / 2;
- return sourceModel()->index(row, proxyIndex.column());
-}
-
-
-QModelIndex HistoryCompletionModel::index(int row, int column, const QModelIndex &parent) const
-{
- if (row < 0 || row >= rowCount(parent)
- || column < 0 || column >= columnCount(parent))
- return QModelIndex();
- return createIndex(row, column, 0);
-}
-
-
-QModelIndex HistoryCompletionModel::parent(const QModelIndex &) const
-{
- return QModelIndex();
-}
-
-
-void HistoryCompletionModel::setSourceModel(QAbstractItemModel *newSourceModel)
-{
- if (sourceModel())
- {
- disconnect(sourceModel(), SIGNAL(modelReset()), this, SLOT(sourceReset()));
- disconnect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceReset()));
- disconnect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceReset()));
- }
-
- QAbstractProxyModel::setSourceModel(newSourceModel);
-
- if (newSourceModel)
- {
- connect(newSourceModel, SIGNAL(modelReset()), this, SLOT(sourceReset()));
- connect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceReset()));
- connect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceReset()));
- }
-
- reset();
-}
-
-
-void HistoryCompletionModel::sourceReset()
-{
- reset();
-}
-
-
-// ------------------------------------------------------------------------------------------------------
-
-
-HistoryTreeModel::HistoryTreeModel(QAbstractItemModel *sourceModel, QObject *parent)
- : QAbstractProxyModel(parent)
-{
- setSourceModel(sourceModel);
-}
-
-
-QVariant HistoryTreeModel::headerData(int section, Qt::Orientation orientation, int role) const
-{
- return sourceModel()->headerData(section, orientation, role);
-}
-
-
-QVariant HistoryTreeModel::data(const QModelIndex &index, int role) const
-{
- if ((role == Qt::EditRole || role == Qt::DisplayRole))
- {
- int start = index.internalId();
- if (start == 0)
- {
- int offset = sourceDateRow(index.row());
- if (index.column() == 0)
- {
- QModelIndex idx = sourceModel()->index(offset, 0);
- QDate date = idx.data(HistoryModel::DateRole).toDate();
- if (date == QDate::currentDate())
- return i18n("Earlier Today");
- return date.toString(QLatin1String("dddd, MMMM d, yyyy"));
- }
- if (index.column() == 1)
- {
- return i18np("1 item", "%1 items", rowCount(index.sibling(index.row(), 0)));
- }
- }
- }
- if (role == Qt::DecorationRole && index.column() == 0 && !index.parent().isValid())
- return KIcon("view-history");
- if (role == HistoryModel::DateRole && index.column() == 0 && index.internalId() == 0)
- {
- int offset = sourceDateRow(index.row());
- QModelIndex idx = sourceModel()->index(offset, 0);
- return idx.data(HistoryModel::DateRole);
- }
-
- return QAbstractProxyModel::data(index, role);
-}
-
-
-int HistoryTreeModel::columnCount(const QModelIndex &parent) const
-{
- return sourceModel()->columnCount(mapToSource(parent));
-}
-
-
-int HistoryTreeModel::rowCount(const QModelIndex &parent) const
-{
- if (parent.internalId() != 0
- || parent.column() > 0
- || !sourceModel())
- return 0;
-
- // row count OF dates
- if (!parent.isValid())
- {
- if (!m_sourceRowCache.isEmpty())
- return m_sourceRowCache.count();
- QDate currentDate;
- int rows = 0;
- int totalRows = sourceModel()->rowCount();
-
- for (int i = 0; i < totalRows; ++i)
- {
- QDate rowDate = sourceModel()->index(i, 0).data(HistoryModel::DateRole).toDate();
- if (rowDate != currentDate)
- {
- m_sourceRowCache.append(i);
- currentDate = rowDate;
- ++rows;
- }
- }
- Q_ASSERT(m_sourceRowCache.count() == rows);
- return rows;
- }
-
- // row count FOR a date
- int start = sourceDateRow(parent.row());
- int end = sourceDateRow(parent.row() + 1);
- return (end - start);
-}
-
-
-// Translate the top level date row into the offset where that date starts
-int HistoryTreeModel::sourceDateRow(int row) const
-{
- if (row <= 0)
- return 0;
-
- if (m_sourceRowCache.isEmpty())
- rowCount(QModelIndex());
-
- if (row >= m_sourceRowCache.count())
- {
- if (!sourceModel())
- return 0;
- return sourceModel()->rowCount();
- }
- return m_sourceRowCache.at(row);
-}
-
-
-QModelIndex HistoryTreeModel::mapToSource(const QModelIndex &proxyIndex) const
-{
- int offset = proxyIndex.internalId();
- if (offset == 0)
- return QModelIndex();
- int startDateRow = sourceDateRow(offset - 1);
- return sourceModel()->index(startDateRow + proxyIndex.row(), proxyIndex.column());
-}
-
-
-QModelIndex HistoryTreeModel::index(int row, int column, const QModelIndex &parent) const
-{
- if (row < 0
- || column < 0 || column >= columnCount(parent)
- || parent.column() > 0)
- return QModelIndex();
-
- if (!parent.isValid())
- return createIndex(row, column, 0);
- return createIndex(row, column, parent.row() + 1);
-}
-
-
-QModelIndex HistoryTreeModel::parent(const QModelIndex &index) const
-{
- int offset = index.internalId();
- if (offset == 0 || !index.isValid())
- return QModelIndex();
- return createIndex(offset - 1, 0, 0);
-}
-
-
-bool HistoryTreeModel::hasChildren(const QModelIndex &parent) const
-{
- QModelIndex grandparent = parent.parent();
- if (!grandparent.isValid())
- return true;
- return false;
-}
-
-
-Qt::ItemFlags HistoryTreeModel::flags(const QModelIndex &index) const
-{
- if (!index.isValid())
- return Qt::NoItemFlags;
- return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled;
-}
-
-
-bool HistoryTreeModel::removeRows(int row, int count, const QModelIndex &parent)
-{
- if (row < 0 || count <= 0 || row + count > rowCount(parent))
- return false;
-
- if (parent.isValid())
- {
- // removing pages
- int offset = sourceDateRow(parent.row());
- return sourceModel()->removeRows(offset + row, count);
- }
- else
- {
- // removing whole dates
- for (int i = row + count - 1; i >= row; --i)
- {
- QModelIndex dateParent = index(i, 0);
- int offset = sourceDateRow(dateParent.row());
- if (!sourceModel()->removeRows(offset, rowCount(dateParent)))
- return false;
- }
- }
- return true;
-}
-
-
-void HistoryTreeModel::setSourceModel(QAbstractItemModel *newSourceModel)
-{
- if (sourceModel())
- {
- disconnect(sourceModel(), SIGNAL(modelReset()), this, SLOT(sourceReset()));
- disconnect(sourceModel(), SIGNAL(layoutChanged()), this, SLOT(sourceReset()));
- disconnect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
- disconnect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- }
-
- QAbstractProxyModel::setSourceModel(newSourceModel);
-
- if (newSourceModel)
- {
- connect(sourceModel(), SIGNAL(modelReset()), this, SLOT(sourceReset()));
- connect(sourceModel(), SIGNAL(layoutChanged()), this, SLOT(sourceReset()));
- connect(sourceModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsInserted(const QModelIndex &, int, int)));
- connect(sourceModel(), SIGNAL(rowsRemoved(const QModelIndex &, int, int)),
- this, SLOT(sourceRowsRemoved(const QModelIndex &, int, int)));
- }
-
- reset();
-}
-
-
-void HistoryTreeModel::sourceReset()
-{
- m_sourceRowCache.clear();
- reset();
-}
-
-
-void HistoryTreeModel::sourceRowsInserted(const QModelIndex &parent, int start, int end)
-{
- Q_UNUSED(parent); // Avoid warnings when compiling release
- Q_ASSERT(!parent.isValid());
- if (start != 0 || start != end)
- {
- m_sourceRowCache.clear();
- reset();
- return;
- }
-
- m_sourceRowCache.clear();
- QModelIndex treeIndex = mapFromSource(sourceModel()->index(start, 0));
- QModelIndex treeParent = treeIndex.parent();
- if (rowCount(treeParent) == 1)
- {
- beginInsertRows(QModelIndex(), 0, 0);
- endInsertRows();
- }
- else
- {
- beginInsertRows(treeParent, treeIndex.row(), treeIndex.row());
- endInsertRows();
- }
-}
-
-
-QModelIndex HistoryTreeModel::mapFromSource(const QModelIndex &sourceIndex) const
-{
- if (!sourceIndex.isValid())
- return QModelIndex();
-
- if (m_sourceRowCache.isEmpty())
- rowCount(QModelIndex());
-
- QList<int>::iterator it;
- it = qLowerBound(m_sourceRowCache.begin(), m_sourceRowCache.end(), sourceIndex.row());
- if (*it != sourceIndex.row())
- --it;
-
- int dateRow = qMax(0, it - m_sourceRowCache.begin());
- // FIXME fix crach on history submenu open. BUG:'ASSERT failure in QList<T>::at: "index out of range"'
- // it crashes when dateRow == 1
- // kDebug() << m_sourceRowCache << dateRow;
- int row = sourceIndex.row() - m_sourceRowCache.at(dateRow);
- return createIndex(row, sourceIndex.column(), dateRow + 1);
-}
-
-
-void HistoryTreeModel::sourceRowsRemoved(const QModelIndex &parent, int start, int end)
-{
- Q_UNUSED(parent); // Avoid warnings when compiling release
- Q_ASSERT(!parent.isValid());
- if (m_sourceRowCache.isEmpty())
- return;
- for (int i = end; i >= start;)
- {
- QList<int>::iterator it;
- it = qLowerBound(m_sourceRowCache.begin(), m_sourceRowCache.end(), i);
- // playing it safe
- if (it == m_sourceRowCache.end())
- {
- m_sourceRowCache.clear();
- reset();
- return;
- }
-
- if (*it != i)
- --it;
- int row = qMax(0, it - m_sourceRowCache.begin());
- int offset = m_sourceRowCache[row];
- QModelIndex dateParent = index(row, 0);
- // If we can remove all the rows in the date do that and skip over them
- int rc = rowCount(dateParent);
- if (i - rc + 1 == offset && start <= i - rc + 1)
- {
- beginRemoveRows(QModelIndex(), row, row);
- m_sourceRowCache.removeAt(row);
- i -= rc + 1;
- }
- else
- {
- beginRemoveRows(dateParent, i - offset, i - offset);
- ++row;
- --i;
- }
- for (int j = row; j < m_sourceRowCache.count(); ++j)
- --m_sourceRowCache[j];
- endRemoveRows();
- }
-}