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Created V0.3.x branch and moved the head into the trunk directory.

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git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@246 b45a01b8-16f6-495d-af2f-9b41ad6348cc
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drbob 2007-11-15 03:18:48 +00:00
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retroshare-gui/src/gui/advsearch/expressionwidget.cpp Normal file
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/****************************************************************
* RetroShare is distributed under the following license:
*
* Copyright (C) 2006, 2007 The RetroShare Team
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
****************************************************************/
#include "expressionwidget.h"
ExpressionWidget::ExpressionWidget(QWidget * parent, bool initial) : QWidget(parent)
{
setupUi(this);
inRangedConfig = false;
// the default search type
searchType = NameSearch;
exprLayout = this->layout();
exprOpFrame->setLayout (createLayout());
exprTermFrame->setLayout (createLayout());
exprConditionFrame->setLayout (createLayout());
exprParamFrame->setLayout (createLayout());
exprParamFrame->setSizePolicy(QSizePolicy::MinimumExpanding,
QSizePolicy::Fixed);
elements = new QList<GuiExprElement*>();
exprOpElem = new ExprOpElement();
exprOpFrame->layout()->addWidget(exprOpElem);
elements->append(exprOpElem);
exprTermElem = new ExprTermsElement();
exprTermFrame->layout()->addWidget(exprTermElem);
elements->append(exprTermElem);
connect (exprTermElem, SIGNAL(currentIndexChanged(int)),
this, SLOT (adjustExprForTermType(int)));
exprCondElem = new ExprConditionElement(searchType);
exprConditionFrame->layout()->addWidget(exprCondElem);
elements->append(exprCondElem);
connect (exprCondElem, SIGNAL (currentIndexChanged(int)),
this, SLOT (adjustExprForConditionType(int)));
exprParamElem= new ExprParamElement(searchType);
exprParamFrame->layout()->addWidget(exprParamElem);
elements->append(exprParamElem);
// set up the default search: a search on name
adjustExprForTermType(searchType);
isFirst = initial;
deleteExprButton ->setVisible(!isFirst);
exprOpElem ->setVisible(!isFirst);
exprTermFrame ->show();
exprConditionFrame ->show();
exprParamFrame ->show();
// connect the delete button signal
connect (deleteExprButton, SIGNAL (clicked()),
this, SLOT(deleteExpression()));
this->show();
}
QLayout * ExpressionWidget::createLayout(QWidget * parent)
{
QHBoxLayout * hboxLayout;
if (parent == 0)
{
hboxLayout = new QHBoxLayout();
} else {
hboxLayout = new QHBoxLayout(parent);
}
hboxLayout->setSpacing(0);
hboxLayout->setMargin(0);
return hboxLayout;
}
bool ExpressionWidget::isStringSearchExpression()
{
return (searchType == NameSearch || searchType == PathSearch
|| searchType == ExtSearch || searchType == HashSearch);
}
void ExpressionWidget::adjustExprForTermType(int index)
{
ExprSearchType type = (*GuiExprElement::TermsIndexMap)[index];
searchType = type;
// now adjust the relevant elements
// the condition combobox
exprCondElem->adjustForSearchType(type);
// the parameter expression: can be a date, 1-2 edit fields
// or a size with units etc
exprParamElem->adjustForSearchType(type);
exprParamFrame->adjustSize();
exprLayout->invalidate();
this->adjustSize();
}
void ExpressionWidget::adjustExprForConditionType(int newCondition)
{
// we adjust the appearance for a ranged selection
inRangedConfig = (newCondition == GuiExprElement::RANGE_INDEX);
exprParamElem->setRangedSearch(inRangedConfig);
exprParamFrame->layout()->invalidate();
exprParamFrame->adjustSize();
}
void ExpressionWidget::deleteExpression()
{
this->hide();
emit signalDelete(this);
}
LogicalOperator ExpressionWidget::getOperator()
{
return exprOpElem->getLogicalOperator();
}
Expression* ExpressionWidget::getRsExpression()
{
Expression * expr;
std::list<std::string> wordList;
int lowVal = 0;
int highVal = 0;
if (isStringSearchExpression())
{
QString txt = exprParamElem->getStrSearchValue();
QStringList words = txt.split(" ", QString::SkipEmptyParts);
for (int i = 0; i < words.size(); ++i)
wordList.push_back(words.at(i).toStdString());
} else if (inRangedConfig){
// correct for reversed ranges to be nice to the user
lowVal = exprParamElem->getIntLowValue();
highVal = exprParamElem->getIntHighValue();
if (lowVal >highVal)
{
lowVal = lowVal^highVal;
highVal = lowVal^highVal;
lowVal = lowVal^highVal;
}
}
switch (searchType)
{
case NameSearch:
expr = new NameExpression(exprCondElem->getStringOperator(),
wordList,
exprParamElem->ignoreCase());
break;
case PathSearch:
expr = new PathExpression(exprCondElem->getStringOperator(),
wordList,
exprParamElem->ignoreCase());
break;
case ExtSearch:
expr = new ExtExpression(exprCondElem->getStringOperator(),
wordList,
exprParamElem->ignoreCase());
break;
case HashSearch:
expr = new HashExpression(exprCondElem->getStringOperator(),
wordList);
break;
case DateSearch:
if (inRangedConfig) {
expr = new DateExpression(exprCondElem->getRelOperator(),
lowVal,
highVal);
} else {
expr = new DateExpression(exprCondElem->getRelOperator(),
exprParamElem->getIntValue());
}
break;
case PopSearch:
if (inRangedConfig) {
expr = new DateExpression(exprCondElem->getRelOperator(),
lowVal,
highVal);
} else {
expr = new DateExpression(exprCondElem->getRelOperator(),
exprParamElem->getIntValue());
}
break;
case SizeSearch:
if (inRangedConfig) {
expr = new SizeExpression(exprCondElem->getRelOperator(),
lowVal,
highVal);
} else {
expr = new SizeExpression(exprCondElem->getRelOperator(),
exprParamElem->getIntValue());
}
break;
};
return expr;
}
QString ExpressionWidget::toString()
{
QString str = "";
if (!isFirst)
{
str += exprOpElem->toString() + " ";
}
str += exprTermElem->toString() + " ";
str += exprCondElem->toString() + " ";
str += exprParamElem->toString();
return str;
}