/*************************************************************************** *   Copyright (C) 2007-2009 by Elad Lahav *   elad_lahav@users.sourceforge.net * *   This program is free software; you can redistribute it and/or modify *   it under the terms of the GNU General Public License as published by *   the Free Software Foundation; either version 2 of the License, or *   (at your option) any later version. * *   This program is distributed in the hope that it will be useful, *   but WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *   GNU General Public License for more details. * *   You should have received a copy of the GNU General Public License *   along with this program; if not, write to the *   Free Software Foundation, Inc., *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. ***************************************************************************/#include "locationmodel.h"namespace KScope{namespace Core{/** * Class constructor. * @param  parent   Parent object */LocationModel::LocationModel(QObject* parent) : QAbstractItemModel(parent){}/** * Class destructor. */LocationModel::~LocationModel(){}/** * Sets a new common root path for display purposes. * @param  path  The new path to set */void LocationModel::setRootPath(const QString& path){	QString actPath = path;	if (path == "/")		actPath = QString();	else if (!path.endsWith("/"))		actPath += "/";	if (actPath != rootPath_) {		rootPath_ = actPath;		reset();	}}/** * Provides information for constructing a header when this model is displayed * in a view. * @param  section  Corresponds to the column number * @param  orient   Horizontal or vertical header * @param  role     How to interpret the information * @return For a horizontal header with a display role, returns the column *         title; An empty variant for all other type */QVariant LocationModel::headerData(int section, Qt::Orientation orient,                                   int role) const{	if (orient != Qt::Horizontal || role != Qt::DisplayRole)		return QVariant();	return columnText(colList_[section]);}/** * Returns the number of columns for the children of the given parent. * @param  parent  The parent index * @return The size of the column list for all the children of the root index */int LocationModel::columnCount(const QModelIndex& parent) const{	if (!parent.isValid())		return colList_.size();	return 0;}#ifndef QT_NO_DEBUG/** * Debugging facility. * Ensures the correctness of the model. * @param  parentIndex The root index to verify */void LocationModel::verify(const QModelIndex& parentIndex) const{	for (int i = 0; i < rowCount(parentIndex); i++) {		QModelIndex childIndex = index(i, 0, parentIndex);		Q_ASSERT(parent(childIndex) == parentIndex);		verify(childIndex);	}}#endif/** * Extracts data from a location object, for the given column index. * @param  loc  The location object * @param  col  The requested column * @return Matching location data, QVariant() if the column is invalid */QVariant LocationModel::locationData(const Location& loc, uint col,                                     int role) const{	switch (role) {	case Qt::DecorationRole:		if ((colList_[col] == Location::TagName)		    && (loc.tag_.type_ != Tag::UnknownTag)) {			return Tag::icon(loc.tag_.type_);		}		return QVariant();	case Qt::DisplayRole:		break;	default:		return QVariant();	}	switch (colList_[col]) {	case Location::File:		// File path.		// Replace root prefix with "$".		if (!rootPath_.isEmpty() && loc.file_.startsWith(rootPath_))			return QString("$/") + loc.file_.mid(rootPath_.length());		return loc.file_;	case Location::Line:		// Line number.		return loc.line_;	case Location::Column:		// Column number.		return loc.column_;	case Location::TagName:		// Tag name.		return loc.tag_.name_;	case Location::TagType:		// Tag type.		return Tag::name(loc.tag_.type_);	case Location::Scope:		// Scope.		return loc.tag_.scope_;	case Location::Text:		// Line text.		return loc.text_;	}	return QVariant();}/** * Creates a column header title for the given column. * @param  col  The column for which the title is requested * @return A string describing the column */QString LocationModel::columnText(Location::Fields col) const{	switch (col) {	case Location::File:		return tr("File");	case Location::Line:		return tr("Line");	case Location::Column:		return tr("Column");	case Location::TagName:		return tr("Tag");	case Location::TagType:		return tr("Type");	case Location::Scope:		return tr("Scope");	case Location::Text:		return tr("Text");	}	return "";}} // namespace Core} // mamespace KScope