qelectrotech-source-mirror/sources/diagramcontext.cpp

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/*
Copyright 2006-2010 Xavier Guerrin
This file is part of QElectroTech.
QElectroTech 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.
QElectroTech 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 QElectroTech. If not, see <http://www.gnu.org/licenses/>.
*/
#include "diagramcontext.h"
#include <QRegExp>
/**
@return a list containing all the keys in the context object.
*/
QList<QString> DiagramContext::keys() const {
return(content_.keys());
}
/**
@param key string key
@return true if that key is known to the diagram context, false otherwise
*/
bool DiagramContext::contains(const QString &key) const {
return(content_.contains(key));
}
/**
@param key
*/
const QVariant DiagramContext::operator[](const QString &key) const {
return(content_[key]);
}
/**
@param key key to insert in the context - the key may only contain lowercase
letters and dashes
@see DiagramContext::keyIsAcceptable()
@param value value to insert in the context
@return true if the insertion succeeds, false otherwise
*/
bool DiagramContext::addValue(const QString &key, const QVariant &value) {
if (keyIsAcceptable(key)) {
content_.insert(key, value);
return(true);
}
return(false);
}
/**
@param key a key string
@return true if that key is acceptable, false otherwise
*/
bool DiagramContext::keyIsAcceptable(const QString &key) const {
static QRegExp re("^[a-z-]+$");
return(re.exactMatch(key));
}