GUIBase.C 21.5 KB
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/*****************************************************************************
*
* Copyright (c) 2000 - 2006, The Regents of the University of California
* Produced at the Lawrence Livermore National Laboratory
* All rights reserved.
*
* This file is part of VisIt. For details, see http://www.llnl.gov/visit/. The
* full copyright notice is contained in the file COPYRIGHT located at the root
* of the VisIt distribution or at http://www.llnl.gov/visit/copyright.html.
*
* Redistribution  and  use  in  source  and  binary  forms,  with  or  without
* modification, are permitted provided that the following conditions are met:
*
*  - Redistributions of  source code must  retain the above  copyright notice,
*    this list of conditions and the disclaimer below.
*  - Redistributions in binary form must reproduce the above copyright notice,
*    this  list of  conditions  and  the  disclaimer (as noted below)  in  the
*    documentation and/or materials provided with the distribution.
*  - Neither the name of the UC/LLNL nor  the names of its contributors may be
*    used to  endorse or  promote products derived from  this software without
*    specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT  HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR  IMPLIED WARRANTIES, INCLUDING,  BUT NOT  LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND  FITNESS FOR A PARTICULAR  PURPOSE
* ARE  DISCLAIMED.  IN  NO  EVENT  SHALL  THE  REGENTS  OF  THE  UNIVERSITY OF
* CALIFORNIA, THE U.S.  DEPARTMENT  OF  ENERGY OR CONTRIBUTORS BE  LIABLE  FOR
* ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT  LIMITED TO, PROCUREMENT OF  SUBSTITUTE GOODS OR
* SERVICES; LOSS OF  USE, DATA, OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER
* CAUSED  AND  ON  ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT
* LIABILITY, OR TORT  (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY  WAY
* OUT OF THE  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
*****************************************************************************/

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#include <DebugStream.h>
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#include <DatabaseCorrelation.h>
#include <DatabaseCorrelationList.h>
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#include <GUIBase.h>
#include <MessageAttributes.h>
#include <StatusSubject.h>
#include <ViewerProxy.h>
#include <FileServerList.h>
#include <GetMetaDataException.h>
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#include <WindowInformation.h>

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#include <SimpleObserver.h>

#include <qapplication.h>
#include <qcursor.h>

// Static member attributes.
MessageAttributes *GUIBase::msgAttr = 0;
ViewerProxy *GUIBase::viewer = 0;
StatusSubject *GUIBase::statusSubject = 0;
bool GUIBase::writeToConsole = true;
bool GUIBase::autoUpdate = false;
bool GUIBase::makeDefaultConfirm = true;
FileServerList *GUIBase::fileServer = 0;

// ****************************************************************************
// Method: GUIBase::GUIBase
//
// Purpose: 
//   Constructor for the GUIBase class.
//
// Programmer: Brad Whitlock
// Creation:   Mon Sep 25 16:43:57 PST 2000
//
// Modifications:
//   
// ****************************************************************************

GUIBase::GUIBase()
{
    // nothing
}

// ****************************************************************************
// Method: GUIBase::~GUIBase
//
// Purpose: 
//   Destructor for the GUIBase class.
//
// Programmer: Brad Whitlock
// Creation:   Mon Sep 25 16:43:57 PST 2000
//
// Modifications:
//   
// ****************************************************************************

GUIBase::~GUIBase()
{
    // nothing
}

// ****************************************************************************
// Method: GUIBase::Error
//
// Purpose: 
//   This method writes an error message into the message state
//   object. This causes the error message to be displayed.
//
// Arguments:
//   msg : The text to put in the message.
//
// Programmer: Brad Whitlock
// Creation:   Wed Aug 30 18:15:49 PST 2000
//
// Modifications:
//   Brad Whitlock, Mon Apr 28 15:49:58 PST 2003
//   Added ability to write to the console.
//
//   Brad Whitlock, Tue May 20 15:12:44 PST 2003
//   Made it work with the regenerated MessageAttributes.
//
// ****************************************************************************

void
GUIBase::Error(const QString &msg)
{
    if(msgAttr == 0)
        return;

    if(writeToConsole)
    {
        cerr << "Error: " << msg.latin1() << endl;
    }
    else
    {
        msgAttr->SetText(std::string(msg.latin1()));
        msgAttr->SetSeverity(MessageAttributes::Error);
        msgAttr->Notify();
    }

    // Write to the log as well.
    debug1 << "Error: " << msg.latin1() << endl;
}

// ****************************************************************************
// Method: GUIBase::Warning
//
// Purpose: 
//   This method writes a warning message into the message state
//   object. This causes the warning message to be displayed.
//
// Arguments:
//   msg : The text to put in the message.
//
// Programmer: Brad Whitlock
// Creation:   Wed Aug 30 18:15:49 PST 2000
//
// Modifications:
//   Brad Whitlock, Mon Apr 28 15:49:58 PST 2003
//   Added ability to write to the console.
//
//   Brad Whitlock, Tue May 20 15:12:44 PST 2003
//   Made it work with the regenerated MessageAttributes.
//
// ****************************************************************************

void
GUIBase::Warning(const QString &msg)
{
    if(msgAttr == 0)
        return;

    if(writeToConsole)
    {
        cerr << "Warning: " << msg.latin1() << endl;
    }
    else
    {
        msgAttr->SetText(std::string(msg.latin1()));
        msgAttr->SetSeverity(MessageAttributes::Warning);
        msgAttr->Notify();
    }

    // Write to the log as well.
    debug2 << "Warning: " << msg.latin1() << endl;
}

// ****************************************************************************
// Method: GUIBase::Message
//
// Purpose: 
//   This method writes a message into the message state
//   object. This causes the message to be displayed.
//
// Arguments:
//   msg : The text to put in the message.
//
// Programmer: Brad Whitlock
// Creation:   Wed Aug 30 18:15:49 PST 2000
//
// Modifications:
//   Brad Whitlock, Mon Apr 28 15:49:58 PST 2003
//   Added ability to write to the console.
//
//   Brad Whitlock, Tue May 20 15:12:44 PST 2003
//   Made it work with the regenerated MessageAttributes.
//
// ****************************************************************************

void
GUIBase::Message(const QString &msg)
{
    if(msgAttr == 0)
        return;

    if(writeToConsole)
    {
        cerr << "Message: " << msg.latin1() << endl;
    }
    else
    {
        msgAttr->SetText(std::string(msg.latin1()));
        msgAttr->SetSeverity(MessageAttributes::Message);
        msgAttr->Notify();
    }

    // Write to the log as well.
    debug3 << "Message: " << msg.latin1() << endl;
}

// ****************************************************************************
// Method: GUIBase::Status
//
// Purpose: 
//   Sends a status message to the main window that causes it to
//   display the message in its statusbar.
//
// Arguments:
//   msg         : The message to display.
//   millisecond : The number of milliseconds to display the message.
//
// Programmer: Brad Whitlock
// Creation:   Sat Sep 16 14:27:56 PST 2000
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::Status(const QString &msg, int milliseconds)
{
    // Set the status subject's fields and notify its observer,
    // the main window.
    statusSubject->clearing = false;
    statusSubject->text = msg;
    statusSubject->milliseconds = milliseconds;
    statusSubject->Notify();
}

// ****************************************************************************
// Method: GUIBase::ClearStatus
//
// Purpose: 
//   Sends a status message to the main window that causes it to
//   clear the message in its statusbar.
//
// Programmer: Brad Whitlock
// Creation:   Sat Sep 16 14:29:00 PST 2000
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::ClearStatus()
{
    // Set the status subject's fields and notify its observer,
    // the main window.
    statusSubject->clearing = true;
    statusSubject->Notify();
}

// ****************************************************************************
// Method: GUIBase::AutoUpdate
//
// Purpose: 
//   Returns a flag indicating whether or not autoupdate is on.
//
// Programmer: Brad Whitlock
// Creation:   Mon Sep 25 15:04:32 PST 2000
//
// Modifications:
//   
// ****************************************************************************

bool
GUIBase::AutoUpdate() const
{
    return autoUpdate;
}

// ****************************************************************************
// Method: GUIBase::ConnectMessageAttr
//
// Purpose: 
//   Sets the message object that is used to tell the message window
//   that there is a message.
//
// Arguments:
//   attr : A pointer to the message state object that is used to
//          communicate error messages.
//
// Programmer: Brad Whitlock
// Creation:   Wed Aug 30 18:17:48 PST 2000
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::ConnectMessageAttr(MessageAttributes *attr)
{
    msgAttr = attr;
}

// ****************************************************************************
// Method: GUIBase::SetWaitCursor
//
// Purpose: 
//   Sets the cursor to a wait cursor.
//
// Programmer: Brad Whitlock
// Creation:   Wed Mar 13 14:21:34 PST 2002
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::SetWaitCursor()
{
#if QT_VERSION >= 300
    QApplication::setOverrideCursor(Qt::WaitCursor);
#else
    QApplication::setOverrideCursor(WaitCursor);
#endif
}

// ****************************************************************************
// Method: GUIBase::RestoreCursor
//
// Purpose: 
//   Restores the cursor to the last cursor used.
//
// Programmer: Brad Whitlock
// Creation:   Wed Mar 13 14:21:34 PST 2002
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::RestoreCursor()
{
    QApplication::restoreOverrideCursor();
}

// ****************************************************************************
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// Method: GUIBase::SetOpenDataFile
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//
// Purpose: 
//   Opens the specified data file using the file server.
//
// Arguments:
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//   qf              : The qualified file name that we want to open.
//   timeState       : The time state that we want to open.
//   sob             : The caller of this method. We pass it if we do not want
//                     the caller to update as a result of calling this method.
//   reOpen          : Whether we should reopen the database instead of opening.
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//
// Returns:    True if the operation is a success.
//
// Programmer: Brad Whitlock
// Creation:   Thu May 9 16:29:48 PST 2002
//
// Modifications:
//   Brad Whitlock, Mon Jul 29 14:39:54 PST 2002
//   I added the reOpen argument to tell the file server to re-open the
//   file and clear anything that it knows about the file.
//
//   Brad Whitlock, Mon Aug 19 17:02:00 PST 2002
//   I removed the code to tell the viewer the number of time steps that
//   are in the animation because the viewer now knows that information and
//   it was causing plots to recalculate when viewer pipeline caching was
//   turned off.
//
//   Eric Brugger, Mon Dec 16 12:32:14 PST 2002
//   I removed the code that sets the number of states and the current state
//   in the global attributes.  This was unnecessary since the viewer is
//   responsible for doing that.
//
//   Brad Whitlock, Wed May 14 13:02:50 PST 2003
//   I added support for reopening a file at a later time state.
//
//   Brad Whitlock, Thu May 15 12:34:06 PDT 2003
//   I added support for opening a file at a later time state.
//
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//   Brad Whitlock, Wed Oct 22 12:16:43 PDT 2003
//   I added support for telling the viewer that we don't want to add
//   default plots when we open a database.
//
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//   Brad Whitlock, Mon Nov 3 09:34:03 PDT 2003
//   I added code to prevent the file panel from updating prematurely. I also
//   renamed the method and ripped out the code that told the viewer to
//   open the database. I removed the addDefaultPlots argument.
//
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//   Brad Whitlock, Tue Apr 6 08:26:37 PDT 2004
//   I removed some code that set globalAtts.
//
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//   Hank Childs, Fri Jan 12 09:56:29 PST 2007
//   Do not issue an error if you can't open a file ... the viewer will do this
//   for us.
//
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// ****************************************************************************

bool
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GUIBase::SetOpenDataFile(const QualifiedFilename &qf, int timeState,
    SimpleObserver *sob, bool reOpen)
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{
    bool retval = true;
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    //
    // Clears any information about the specified file and causes it to be
    // read again from the mdserver.
    //
    if(reOpen)
    {
        fileServer->ClearFile(qf);
        fileServer->CloseFile();
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        if(sob)
            sob->SetUpdate(false);
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        fileServer->Notify();
    }

    //
    // If the file is not already open, read it in and tell the observers.
    //
    if(fileServer->GetOpenFile() != qf)
    {
        TRY
        {
            // Display a message while we open the file.
            QString msg;
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            if(reOpen)
            {
                msg.sprintf("Reopening %s on %s", qf.filename.c_str(),
                            qf.host.c_str());
            }
            else
            {
                msg.sprintf("Opening %s on %s", qf.filename.c_str(),
                            qf.host.c_str());
            }
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            Status(msg);

            // Tell the fileServer to open the file specified by filename.
            // This will cause it to read the file's MetaData.
            fileServer->OpenFile(qf, timeState);
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            // Prevent the file panel from updating because the globalAtts
            // from the viewer, that the file panel uses to display the right
            // database highlight, do not yet contain the right timeState and
            // updating the file panel now causes it to switch to the wrong
            // time state for a moment.
            if(sob)
                sob->SetUpdate(false);
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            fileServer->Notify();
            ClearStatus();
        }
        CATCH2(GetMetaDataException, gmde)
        {
            // Clear the status bar.
            ClearStatus();

            // Tell the user about the error.
            QString msg;
            msg.sprintf("VisIt could not open the file %s.\n\nThe metadata "
                        "server returned the following message:\n\n%s",
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                        qf.FullName().c_str(), gmde.Message().c_str());
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            debug1 << msg << endl;
            debug1 << "Not issuing an error message because the viewer will "
                   << "cover that." << endl;
            //Error(msg);
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            retval = false;
        }
        ENDTRY
    }

    return retval;
}
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// ****************************************************************************
// Method: GUIBase::GetStateForSource
//
// Purpose: 
//   Returns the state for the specified source taking into account the
//   active time slider and the correlations that exist.
//
// Arguments:
//   source : The name of the source whose state we want.
//
// Returns:    The current state for the specified source.
//
// Note:       
//
// Programmer: Brad Whitlock
// Creation:   Tue Jan 27 21:16:59 PST 2004
//
// Modifications:
//   
// ****************************************************************************

int
GUIBase::GetStateForSource(const QualifiedFilename &source) const
{
    int retval = 0;

    WindowInformation *windowInfo = viewer->GetWindowInformation();
    int activeTS = windowInfo->GetActiveTimeSlider();

    if(activeTS >= 0)
    {
        // Try and find a correlation for the active time slider so we
        // can get the number of states in the correlation.
        const stringVector &tsNames = windowInfo->GetTimeSliders();
        const std::string &activeTSName = tsNames[activeTS];
        DatabaseCorrelationList *cL = viewer->GetDatabaseCorrelationList();
        DatabaseCorrelation *correlation = cL->FindCorrelation(activeTSName);
 
        //
        // We found a correlation for the active time slider.
        //
        if(correlation != 0)
        {
            //
            // See if the correlation for the active time slider involves
            // the source that we're interested in. If so, return the
            // correlated time state using the active time slider's state.
            //
            std::string sourceStr(source.FullName());
            const intVector &currentStates = windowInfo->GetTimeSliderCurrentStates();
            int activeTSState = currentStates[activeTS];
            int cts = correlation->GetCorrelatedTimeState(sourceStr, activeTSState);
            if(cts >= 0)
            {
                retval = cts;
            }
            else if((correlation = cL->FindCorrelation(sourceStr)) != 0)
            {
                //
                // The correlation did not involve the desired source but
                // we were able to find the simple correlation for the
                // desired source. Return its correlated time state using
                // the correlation that we just found and the active time
                // state for that correlation.
                //
                for(int i = 0; i < windowInfo->GetTimeSliders().size(); ++i)
                {
                    if(tsNames[i] == sourceStr)
                    {
                        cts = correlation->GetCorrelatedTimeState(sourceStr,
                                            currentStates[i]);
                        if(cts >= 0)
                            retval = cts;
                        break;
                    }
                }
            }
        }
    }

    return retval;
}

// ****************************************************************************
// Method: GUIBase::GetTimeSliderStateForDatabaseState
//
// Purpose: 
//   Returns the first state in the current time slider where the database
//   has a specific database index.
//
// Arguments:
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//   tsName  : The name of the active time slider.
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//   source  : The source that we're interested in.
//   dbState : The database state that we're looking for.
//
// Returns:    The inverted correlation time state that we want.
//
// Note:       
//
// Programmer: Brad Whitlock
// Creation:   Tue Feb 3 18:52:44 PST 2004
//
// Modifications:
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//   Brad Whitlock, Mon May 3 16:51:20 PST 2004
//   I made the name of the time slider be passed in so the method can be a
//   little more general.
//
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// ****************************************************************************

int
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GUIBase::GetTimeSliderStateForDatabaseState(const std::string &activeTSName,
    const QualifiedFilename &source, int dbState) const
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{
    int retval = dbState;

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    if(activeTSName != "")
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    {
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        WindowInformation *windowInfo = viewer->GetWindowInformation();

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        // Try and find a correlation for the active time slider so we
        // can get the number of states in the correlation.
        DatabaseCorrelationList *cL = viewer->GetDatabaseCorrelationList();
        DatabaseCorrelation *correlation = cL->FindCorrelation(activeTSName);
 
        //
        // We found a correlation for the active time slider.
        //
        if(correlation != 0)
        {
            //
            // See if the correlation for the active time slider involves
            // the source that we're interested in. If so, return the
            // inverse correlated time state, which is the correlation time
            // state where the specified database has the given dbState.
            //
            std::string sourceStr(source.FullName());
            int cts = correlation->GetInverseCorrelatedTimeState(sourceStr, dbState);
            if(cts >= 0)
                retval = cts;
        }
    }

    return retval;
}

// ****************************************************************************
// Method: GUIBase::OpenActiveSourceInFileServer
//
// Purpose: 
//   This method is called when the file in the file server does not match
//   the active source. When that happens, we make the file server use the
//   active source so existing code that relies on the file server for the
//   open file still works.
//
// Programmer: Brad Whitlock
// Creation:   Fri Jan 30 11:36:42 PDT 2004
//
// Modifications:
//   
// ****************************************************************************

void
GUIBase::OpenActiveSourceInFileServer()
{
    WindowInformation *windowInfo = viewer->GetWindowInformation();
    const std::string &activeSource = windowInfo->GetActiveSource();
    QualifiedFilename qf(activeSource);

    if (activeSource == "notset" || activeSource == "")
    {
        debug3 << "OpenFileInFileServer: no active source. Closing file in "
                  "file server list. " << endl;
        fileServer->CloseFile();
        fileServer->Notify();
    }
    else if(fileServer->GetOpenFile() != qf)
    {
        TRY
        {
            // Get the state for the current source taking into account
            // the active time slider and the correlations that exist.
            int state = GetStateForSource(qf);
            debug3 << "OpenFileInFileServer: File server list's open file "
                   << "does not match the active source. Opening "
                   << activeSource.c_str() << ", state=" << state
                   << " in the file server list." << endl;

            fileServer->OpenFile(qf, state);
            fileServer->Notify();
        }
        CATCH(GetMetaDataException)
        {
            ; // Usually, the filename was bad.
        }
        ENDTRY
    }
}