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115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: pqSignalAdaptorSelectionTreeWidget.h
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Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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=========================================================================*/
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#ifndef pqSignalAdaptorSelectionTreeWidget_h
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#define pqSignalAdaptorSelectionTreeWidget_h
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#include <QObject>
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#include <QList>
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#include <QVariant>
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#include "pqComponentsModule.h"
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class QTreeWidget;
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class vtkSMProperty;
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class QTreeWidgetItem;
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/// pqSignalAdaptorSelectionTreeWidget has two roles.
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/// \li It is used to connect a selection property with a
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/// QTreeWidget (typically pqTreeWidget)
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/// It also updates the list of available values every time
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/// the domain changes.
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/// Example use of this adaptor is to connect :
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/// \li "AddVolumeArrayName" property of a CTHPart filter to a
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/// pqTreeWidget widget.
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/// \li "Functions" property of "P3DReader" with a pqTreeWidget.
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class PQCOMPONENTS_EXPORT pqSignalAdaptorSelectionTreeWidget : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QList<QList<QVariant> > values READ values WRITE setValues)
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public:
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/// Constructor.
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/// \param domain The StringListDomain from which the adaptor
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/// can obtain the list of possible values for this widget.
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/// \param treeWidget The QTreeWidget controlled by this adaptor.
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pqSignalAdaptorSelectionTreeWidget(QTreeWidget* treeWidget,
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vtkSMProperty* property);
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virtual ~pqSignalAdaptorSelectionTreeWidget();
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/// Returns a list of strings which correspond to the currently
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/// selected values. i.e. only the strings for items currently
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/// selected by the user are returned.
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QList<QList<QVariant> > values() const;
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/// This adaptor create QTreeWidgetItem instances by default when new
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/// entries are to be shown in the widget. To change the type of
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/// QTreeWidgetItem subclass created, simply set a function pointer to
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/// a callback which will be called every time a new item is needed.
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/// The signature for the callback is:
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/// QTreeWidgetItem* callback(QTreeWidget* parent, const QStringList& val)
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void setItemCreatorFunction(
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QTreeWidgetItem* (fptr)(QTreeWidget*, const QStringList&))
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{
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this->ItemCreatorFunctionPtr = fptr;
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}
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signals:
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/// Fired whenever the values change.
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void valuesChanged();
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public slots:
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/// Set the selected value on the widget. All the strings in the
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/// \values are set as selected in the tree widget.
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/// If a string is present that is not in the domain, it will
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/// be ignored.
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void setValues(const QList<QList<QVariant> >& values);
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private slots:
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/// Called when vtkSMStringListDomain changes. We update the
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/// tree widget to show the user the new set of strings he can choose.
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void domainChanged();
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private:
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pqSignalAdaptorSelectionTreeWidget(const pqSignalAdaptorSelectionTreeWidget&); // Not implemented.
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void operator=(const pqSignalAdaptorSelectionTreeWidget&); // Not implemented.
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class pqInternal;
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pqInternal* Internal;
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QTreeWidgetItem* (*ItemCreatorFunctionPtr)(QTreeWidget*, const QStringList&);
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};
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#endif
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