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#include <QtGui>
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#include "findresultitem.h"
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#include "findresultmodel.h"
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FindResultModel::FindResultModel( QObject *parent)
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: QAbstractItemModel(parent)
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{
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QVector<QVariant> rootData;
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rootData << "Foo"<<"bar";
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rootItem = new FindResultItem(rootData);
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//setupModelData(data.split(QString("\n")), rootItem);
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}
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FindResultModel::~FindResultModel()
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{
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delete rootItem;
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}
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int FindResultModel::columnCount(const QModelIndex & /* parent */) const
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{
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return rootItem->columnCount();
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}
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QVariant FindResultModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (role != Qt::DisplayRole && role != Qt::EditRole)
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return QVariant();
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FindResultItem *item = getItem(index);
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return item->data(index.column());
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}
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Qt::ItemFlags FindResultModel::flags(const QModelIndex &index) const
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{
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if (!index.isValid())
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return 0;
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return Qt::ItemIsEditable | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
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}
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FindResultItem *FindResultModel::getItem(const QModelIndex &index) const
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{
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if (index.isValid()) {
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FindResultItem *item = static_cast<FindResultItem*>(index.internalPointer());
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if (item) return item;
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}
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return rootItem;
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}
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QVariant FindResultModel::headerData(int section, Qt::Orientation orientation,
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int role) const
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{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
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return rootItem->data(section);
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return QVariant();
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}
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QModelIndex FindResultModel::index(int row, int column, const QModelIndex &parent) const
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{
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if (parent.isValid() && parent.column() != 0)
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return QModelIndex();
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FindResultItem *parentItem = getItem(parent);
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FindResultItem *childItem = parentItem->child(row);
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if (childItem)
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return createIndex(row, column, childItem);
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else
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return QModelIndex();
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}
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bool FindResultModel::insertColumns(int position, int columns, const QModelIndex &parent)
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{
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bool success;
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beginInsertColumns(parent, position, position + columns - 1);
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success = rootItem->insertColumns(position, columns);
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endInsertColumns();
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return success;
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}
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bool FindResultModel::insertRows(int position, int rows, const QModelIndex &parent)
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{
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FindResultItem *parentItem = getItem(parent);
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bool success;
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beginInsertRows(parent, position, position + rows - 1);
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success = parentItem->insertChildren(position, rows, rootItem->columnCount());
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endInsertRows();
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return success;
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}
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QModelIndex FindResultModel::parent(const QModelIndex &index) const
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{
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if (!index.isValid())
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return QModelIndex();
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FindResultItem *childItem = getItem(index);
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FindResultItem *parentItem = childItem->parent();
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if (parentItem == rootItem)
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return QModelIndex();
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return createIndex(parentItem->childNumber(), 0, parentItem);
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}
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bool FindResultModel::removeColumns(int position, int columns, const QModelIndex &parent)
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{
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bool success;
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beginRemoveColumns(parent, position, position + columns - 1);
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success = rootItem->removeColumns(position, columns);
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endRemoveColumns();
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if (rootItem->columnCount() == 0)
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removeRows(0, rowCount());
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return success;
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}
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bool FindResultModel::removeRows(int position, int rows, const QModelIndex &parent)
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{
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FindResultItem *parentItem = getItem(parent);
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bool success = true;
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beginRemoveRows(parent, position, position + rows - 1);
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success = parentItem->removeChildren(position, rows);
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endRemoveRows();
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return success;
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}
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int FindResultModel::rowCount(const QModelIndex &parent) const
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{
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FindResultItem *parentItem = getItem(parent);
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return parentItem->childCount();
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}
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bool FindResultModel::setData(const QModelIndex &index, const QVariant &value,
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int role)
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{
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if (role != Qt::EditRole)
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return false;
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FindResultItem *item = getItem(index);
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bool result = item->setData(index.column(), value);
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if (result)
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emit dataChanged(index, index);
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return result;
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}
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bool FindResultModel::setHeaderData(int section, Qt::Orientation orientation,
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const QVariant &value, int role)
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{
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if (role != Qt::EditRole || orientation != Qt::Horizontal)
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return false;
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bool result = rootItem->setData(section, value);
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if (result)
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emit headerDataChanged(orientation, section, section);
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return result;
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}
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void FindResultModel::setupModelData(const QStringList &lines, FindResultItem *parent)
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{
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QList<FindResultItem*> parents;
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QList<int> indentations;
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parents << parent;
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indentations << 0;
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int number = 0;
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while (number < lines.count()) {
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int position = 0;
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while (position < lines[number].length()) {
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if (lines[number].mid(position, 1) != " ")
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break;
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position++;
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}
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QString lineData = lines[number].mid(position).trimmed();
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if (!lineData.isEmpty()) {
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// Read the column data from the rest of the line.
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QStringList columnStrings = lineData.split("\t", QString::SkipEmptyParts);
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QVector<QVariant> columnData;
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for (int column = 0; column < columnStrings.count(); ++column)
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columnData << columnStrings[column];
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if (position > indentations.last()) {
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// The last child of the current parent is now the new parent
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// unless the current parent has no children.
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if (parents.last()->childCount() > 0) {
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parents << parents.last()->child(parents.last()->childCount()-1);
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indentations << position;
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}
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} else {
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while (position < indentations.last() && parents.count() > 0) {
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parents.pop_back();
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indentations.pop_back();
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}
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}
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// Append a new item to the current parent's list of children.
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FindResultItem *parent = parents.last();
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parent->insertChildren(parent->childCount(), 1, rootItem->columnCount());
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for (int column = 0; column < columnData.size(); ++column)
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parent->child(parent->childCount() - 1)->setData(column, columnData[column]);
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}
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number++;
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}
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}
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