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// Created on: 2017-06-16
// Created by: Natalia ERMOLAEVA
// Copyright (c) 2017 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <inspector/DFBrowser_SearchLine.hxx>
#include <inspector/DFBrowser_SearchLineModel.hxx>
#include <inspector/DFBrowser_Window.hxx>
#include <inspector/DFBrowserPane_Tools.hxx>
#include <inspector/DFBrowser_Module.hxx>
#include <inspector/ViewControl_Tools.hxx>
#include <TDocStd_Application.hxx>
#include <TDocStd_Document.hxx>
#include <TDF_AttributeIterator.hxx>
#include <TDF_ChildIterator.hxx>
#include <Standard_WarningsDisable.hxx>
#include <QStringList>
#include <QWidget>
#include <QHBoxLayout>
#include <QLineEdit>
#include <QToolButton>
#include <QCompleter>
#include <QIcon>
#include <QPaintEvent>
#include <QPainter>
#include <QStyle>
#include <Standard_WarningsRestore.hxx>
//! class DFBrowser_LineEdit
//! Extension of Qt line edit to visualize help text until the line edit control has not been filled
//! yet
class DFBrowser_LineEdit : public QLineEdit
{
public:
//! Constructor
DFBrowser_LineEdit(QWidget* theParent)
: QLineEdit(theParent)
{
}
//! Destructor
virtual ~DFBrowser_LineEdit() {}
//! Sets text that is shown in line edit it the text of this control is empty
//! \param theText a string value
void setPlaneHolder(const QString& theText) { myPlaceHolder = theText; }
//! Draws the line edit context, put plane holder if text is empty
//! \param theEvent a paint event
virtual void paintEvent(QPaintEvent* theEvent) Standard_OVERRIDE
{
QLineEdit::paintEvent(theEvent);
if (!text().isEmpty())
return;
QPainter aPainter(this);
QFontMetrics aFontMetrics = fontMetrics();
QRect aLineRect = rect();
Qt::Alignment anAlignment = QStyle::visualAlignment(layoutDirection(), Qt::AlignLeft);
QColor aColor = Qt::gray;
QPen anOldpen = aPainter.pen();
aPainter.setPen(aColor);
aLineRect.adjust(4, 4, 0, 0);
QString anElidedText =
aFontMetrics.elidedText(myPlaceHolder, Qt::ElideRight, aLineRect.width());
aPainter.drawText(aLineRect, anAlignment, anElidedText);
aPainter.setPen(anOldpen);
}
private:
QString myPlaceHolder; //!< text of filling line edit content if the text is empty
};
// =======================================================================
// function : Constructor
// purpose :
// =======================================================================
DFBrowser_SearchLine::DFBrowser_SearchLine(QWidget* theParent)
: QFrame(theParent)
{
QHBoxLayout* aLayout = new QHBoxLayout(this);
aLayout->setContentsMargins(0, 0, 0, 0);
aLayout->setSpacing(0);
myLineControl = new DFBrowser_LineEdit(this);
((DFBrowser_LineEdit*)myLineControl)->setPlaneHolder(QString(tr("Scanning application ...")));
mySearchButton = new QToolButton(this);
mySearchButton->setIcon(QIcon(":/icons/search.png"));
QCompleter* aCompleter = new QCompleter(this);
aCompleter->setCaseSensitivity(Qt::CaseInsensitive);
myLineControl->setCompleter(aCompleter);
aLayout->addWidget(myLineControl);
aLayout->addWidget(mySearchButton);
connect(myLineControl,
SIGNAL(textChanged(const QString&)),
this,
SLOT(onTextChanged(const QString&)));
connect(myLineControl, SIGNAL(returnPressed()), this, SLOT(onReturnPressed()));
connect(mySearchButton, SIGNAL(clicked()), this, SLOT(onSearchButtonClicked()));
ViewControl_Tools::SetWhiteBackground(this);
}
// =======================================================================
// function : SetModule
// purpose :
// =======================================================================
void DFBrowser_SearchLine::SetModule(DFBrowser_Module* theModule)
{
DFBrowser_SearchLineModel* aModel = new DFBrowser_SearchLineModel(myLineControl, theModule);
myLineControl->completer()->setModel(aModel);
}
// =======================================================================
// function : GetModule
// purpose :
// =======================================================================
DFBrowser_Module* DFBrowser_SearchLine::GetModule()
{
DFBrowser_SearchLineModel* aModel = dynamic_cast<DFBrowser_SearchLineModel*>(GetModel());
return aModel->GetModule();
}
// =======================================================================
// function : SetValues
// purpose :
// =======================================================================
void DFBrowser_SearchLine::SetValues(
const QMap<int, QMap<QString, DFBrowser_SearchItemInfo>>& theDocumentValues,
const QMap<int, QStringList>& theDocumentInfoValues)
{
DFBrowser_SearchLineModel* aModel = dynamic_cast<DFBrowser_SearchLineModel*>(GetModel());
aModel->SetValues(theDocumentValues, theDocumentInfoValues);
QString aFirstValue =
!theDocumentInfoValues.empty() ? theDocumentInfoValues.begin().value().first() : "";
DFBrowser_LineEdit* aLineEdit = dynamic_cast<DFBrowser_LineEdit*>(myLineControl);
aLineEdit->setPlaneHolder(QString(tr("Search : %1")).arg(aFirstValue));
}
// =======================================================================
// function : ClearValues
// purpose :
// =======================================================================
void DFBrowser_SearchLine::ClearValues()
{
DFBrowser_SearchLineModel* aModel = dynamic_cast<DFBrowser_SearchLineModel*>(GetModel());
aModel->ClearValues();
DFBrowser_LineEdit* aLineEdit = dynamic_cast<DFBrowser_LineEdit*>(myLineControl);
aLineEdit->setPlaneHolder(QString(tr("Scanning application ...")));
}
// =======================================================================
// function : onTextChanged
// purpose :
// =======================================================================
void DFBrowser_SearchLine::onTextChanged(const QString& theText)
{
mySearchButton->setIcon(theText.isEmpty() ? QIcon(":/icons/search.png")
: QIcon(":/icons/search_cancel.png"));
emit searchActivated();
}
// =======================================================================
// function : onSearchButtonClicked
// purpose :
// =======================================================================
void DFBrowser_SearchLine::onSearchButtonClicked()
{
if (!Text().isEmpty())
SetText(QString());
}
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