Optika GUI Toolik Version of the Day
Optika_treeview.cpp
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00002 // ***********************************************************************
00003 // 
00004 //         Optika: A Tool For Developing Parameter Obtaining GUIs
00005 //                Copyright (2009) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, with Sandia Corporation, the 
00008 // U.S. Government retains certain rights in this software.
00009 // 
00010 // Redistribution and use in source and binary forms, with or without
00011 // modification, are permitted provided that the following conditions are
00012 // met:
00013 //
00014 // 1. Redistributions of source code must retain the above copyright
00015 // notice, this list of conditions and the following disclaimer.
00016 //
00017 // 2. Redistributions in binary form must reproduce the above copyright
00018 // notice, this list of conditions and the following disclaimer in the
00019 // documentation and/or other materials provided with the distribution.
00020 //
00021 // 3. Neither the name of the Corporation nor the names of the
00022 // contributors may be used to endorse or promote products derived from
00023 // this software without specific prior written permission.
00024 //
00025 // THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
00026 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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00040 // @HEADER
00041 #include "Optika_treeview.hpp"
00042 #include <QMessageBox>
00043 namespace Optika{
00044 
00045 
00046 TreeView::TreeView(TreeModel *treeModel, Delegate *delegate, QWidget* parent):QTreeView(parent){
00047   setModel(treeModel);
00048   setItemDelegateForColumn(1, delegate);
00049   if(treeModel->hasDependencies()){
00050     connect(treeModel, SIGNAL(hideData(int, const QModelIndex&)), this, SLOT(hideRow(int, const QModelIndex&)));
00051     connect(treeModel, SIGNAL(showData(int, const QModelIndex&)), this, SLOT(showRow(int, const QModelIndex&)));
00052     connect(treeModel, SIGNAL(badValue(QModelIndex, QString)), this, SLOT(handleBadValue(QModelIndex, QString)));
00053     connect(delegate, SIGNAL(closeEditor(QWidget*, QAbstractItemDelegate::EndEditHint)), this, SLOT(checkForOtherBadValues()));
00054     treeModel->issueInitilizationSignals();
00055   }
00056   setAnimated(true);
00057   setAlternatingRowColors(true);
00058 }
00059 
00060 void TreeView::showRow(int row, const QModelIndex& parent){
00061   if(isRowHidden(row, parent)){
00062     setRowHidden(row, parent, false);
00063   }
00064 }
00065 
00066 void TreeView::hideRow(int row, const QModelIndex& parent){
00067   if(!isRowHidden(row, parent)){
00068     setRowHidden(row, parent, true);
00069   }
00070 }
00071 
00072 void TreeView::handleBadValue(QModelIndex badValueIndex, QString message){
00073   if(state() != EditingState && !isRowHidden(badValueIndex.row(), badValueIndex.parent())){
00074     QMessageBox::warning(this, "Bad parameter value", message);
00075     setCurrentIndex(badValueIndex);
00076     edit(badValueIndex);
00077   }
00078   else if(!isRowHidden(badValueIndex.row(), badValueIndex.parent())){
00079     invalidInicies.enqueue(invalidIndex(badValueIndex, message));
00080   }
00081 }
00082 
00083 void TreeView::checkForOtherBadValues(){
00084   if(invalidInicies.size() != 0){
00085     invalidIndex needsToBeEdited = invalidInicies.dequeue();
00086     handleBadValue(needsToBeEdited.first, needsToBeEdited.second);
00087   }
00088 }
00089 
00090 }
00091 
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