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95 lines
3.8 KiB
C++
95 lines
3.8 KiB
C++
/*******************************************************************************
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* gui/advsearch/expressionwidget.h *
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* *
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* LibResAPI: API for local socket server *
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* *
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* Copyright (C) RetroShare Team <retroshare.project@gmail.com> *
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* *
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* This program is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Affero General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Affero General Public License for more details. *
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* *
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* You should have received a copy of the GNU Affero General Public License *
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* along with this program. If not, see <https://www.gnu.org/licenses/>. *
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* *
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*******************************************************************************/
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#ifndef _ExpressionWidget_h_
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#define _ExpressionWidget_h_
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#include <iostream>
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#include <QWidget>
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#include <QLabel>
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#include <retroshare/rsexpr.h>
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#include "guiexprelement.h"
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#include "ui_expressionwidget.h"
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/**
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Represents an Advanced Search GUI Expression object which acts as a container
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for a series of GuiExprElement objects. The structure of the expression can
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change dynamically, dependant on user choices made while assembling an expression.
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The default appearance is simply a search on name.
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*/
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class ExpressionWidget : public QWidget, public Ui::ExpressionWidget
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{
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Q_OBJECT
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public:
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ExpressionWidget( QWidget * parent = 0, bool initial=false );
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/** delivers the expression represented by this widget
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the operator to join this expression with any previous
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expressions is provided by the getOperator method */
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RsRegularExpression::Expression* getRsExpression();
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/** supplies the operator to be used when joining this expression
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to the whole query */
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RsRegularExpression::LogicalOperator getOperator();
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QString toString();
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signals:
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/** associates an expression object with the delete event */
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void signalDelete(ExpressionWidget*);
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private slots:
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/** emits the signalDelete signal with a pointer to this object
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for use by listeners */
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void deleteExpression();
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/** dynbamically changes the structure of the expression based on
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the terms combobox changes */
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void adjustExprForTermType(int);
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/** dynamically adjusts the expression dependant on the choices
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made in the condition combobox e.g. inRange and equals
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have different parameter fields */
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void adjustExprForConditionType(int);
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private:
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QLayout * createLayout(QWidget* parent = 0);
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bool isStringSearchExpression();
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QList <GuiExprElement *> * elements;
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QLayout * exprLayout;
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ExprOpElement * exprOpElem;
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ExprTermsElement * exprTermElem;
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ExprConditionElement * exprCondElem;
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ExprParamElement* exprParamElem;
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bool inRangedConfig;
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bool isFirst;
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ExprSearchType searchType;
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};
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#endif // _ExpressionWidget_h_
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