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kselectclipcommand.cpp

/***************************************************************************
                          kselectclipcommand.cpp  -  description
                             -------------------
    begin                : Fri Dec 13 2002
    copyright            : (C) 2002 by Jason Wood
    email                : jasonwood@blueyonder.co.uk
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "kselectclipcommand.h"
#include "kdenlivedoc.h"
#include "docclipref.h"
#include "doctrackbase.h"
#include "doctrackclipiterator.h"

#include <kcommand.h>
#include <klocale.h>
#include <kdebug.h>

namespace Command {

    KSelectClipCommand::KSelectClipCommand(KdenliveDoc * doc,
      DocClipRef * clip, bool select):m_doc(doc) {
      DocTrackBase *docTrack = doc->findTrack(clip);
       m_track = doc->trackIndex(docTrack);
       m_findTime = clip->trackStart() + (clip->cropDuration() / 2.0);
       m_selectClip = select;
       m_unexecuteSelection = docTrack->clipSelected(clip);
    } 
    
    KSelectClipCommand::~KSelectClipCommand() {
    }

/** Executes the command */
    void KSelectClipCommand::execute() {
      DocTrackBase *track = m_doc->track(m_track);
      track->selectClip(track->getClipAt(m_findTime), m_selectClip);
    }

/** Unexecutes the command */
    void KSelectClipCommand::unexecute() {
      DocTrackBase *track = m_doc->track(m_track);
      track->selectClip(track->getClipAt(m_findTime),
          m_unexecuteSelection);
    }

/** Rerturns the (translated) name of this command */
    QString KSelectClipCommand::name() const {
      return i18n("Selection");
    } 
    
    KCommand *KSelectClipCommand::selectNone(KdenliveDoc * document) {
      KMacroCommand *command = new KMacroCommand(i18n("Selection"));

      QPtrListIterator < DocTrackBase > trackItt(document->trackList());
      while (trackItt.current()) {
          QPtrListIterator < DocClipRef >
            clipItt(trackItt.current()->firstClip(true));
          while (clipItt.current() != 0) {
            Command::KSelectClipCommand * clipComm =
                new Command::KSelectClipCommand(document,
                clipItt.current(), false);
            command->addCommand(clipComm);
            ++clipItt;
          }
          ++trackItt;
      }

      return command;
    }

// static
    KCommand *KSelectClipCommand::selectLaterClips(KdenliveDoc * document,
      GenTime time, bool include) {
      KMacroCommand *command = new KMacroCommand(i18n("Selection"));

      bool select;

      QPtrListIterator < DocTrackBase > trackItt(document->trackList());
      while (trackItt.current()) {
          DocTrackClipIterator clipItt(*(trackItt.current()));
          while (clipItt.current() != 0) {
            if (include) {
                select = clipItt.current()->trackEnd() > time;
            } else {
                select = clipItt.current()->trackStart() > time;
            }
            Command::KSelectClipCommand * clipComm =
                new Command::KSelectClipCommand(document,
                clipItt.current(), select);
            command->addCommand(clipComm);
            ++clipItt;
          }

          ++trackItt;
      }

      return command;
    }

// static
    KCommand *KSelectClipCommand::selectTrackLaterClips(KdenliveDoc * document, int ix, GenTime time, bool include) {
      KMacroCommand *command = new KMacroCommand(i18n("Selection"));

      bool select;

      QPtrListIterator < DocTrackBase > trackItt(document->trackList());
      while (trackItt.current()) {
          if (document->trackIndex(trackItt.current()) == ix) {
              DocTrackClipIterator clipItt(*(trackItt.current()));
            while (clipItt.current() != 0) {
                if (include) {
                  select = clipItt.current()->trackEnd() > time;
                } else {
                  select = clipItt.current()->trackStart() > time;
                }
                Command::KSelectClipCommand * clipComm = new Command::KSelectClipCommand(document, clipItt.current(), select);
                command->addCommand(clipComm);
                ++clipItt;
            }
          }
          ++trackItt;
      }

      return command;
    }

// static
    KCommand *KSelectClipCommand::selectRectangleClips(KdenliveDoc * document, int startTrack, int endTrack, GenTime startTime,  GenTime endTime, bool include) {
      KMacroCommand *command = new KMacroCommand(i18n("Selection"));
      bool select;

      QPtrListIterator < DocTrackBase > trackItt(document->trackList());
      while (trackItt.current()) {
          if (document->trackIndex(trackItt.current()) >= startTrack && document->trackIndex(trackItt.current()) <= endTrack) {
              DocTrackClipIterator clipItt(*(trackItt.current()));
            while (clipItt.current() != 0) {
                select = false;
                if ((clipItt.current()->trackEnd() > startTime && clipItt.current()->trackStart() < startTime) || (clipItt.current()->trackEnd() > endTime && clipItt.current()->trackStart() < endTime) || (clipItt.current()->trackStart() > startTime && clipItt.current()->trackEnd() < endTime)) select = true;
                Command::KSelectClipCommand * clipComm = new Command::KSelectClipCommand(document, clipItt.current(), select);
                command->addCommand(clipComm);
                ++clipItt;
            }
          }
          ++trackItt;
      }

      return command;
    }

    KCommand *KSelectClipCommand::selectClipAt(KdenliveDoc * document,
      const DocTrackBase & track, const GenTime & value) {
      Command::KSelectClipCommand * command = 0;

      DocClipRef *clip = track.getClipAt(value);
      if (clip) {
          command =
            new Command::KSelectClipCommand(document, clip, true);
      }

      return command;
    }


// static
    KCommand *KSelectClipCommand::toggleSelectClipAt(KdenliveDoc *
      document, const DocTrackBase & track, const GenTime & value) {
      KCommand *command = 0;
      DocClipRef *clip = track.getClipAt(value);
      if (clip) {
          command =
            new Command::KSelectClipCommand(document, clip,
            !track.clipSelected(clip));
      }

      return command;
    }


}                       // namespace Command

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