editors/sc-ide/core/doc_manager.hpp

   1 /*
   2     SuperCollider Qt IDE
   3     Copyright (c) 2012 Jakob Leben & Tim Blechmann
   4     http://www.audiosynth.com
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  19 */
  20
  21 #ifndef SCIDE_DOC_MANAGER_HPP_INCLUDED
  22 #define SCIDE_DOC_MANAGER_HPP_INCLUDED
  23
  24 #include "../widgets/code_editor/highlighter.hpp"
  25
  26 #include <QDateTime>
  27 #include <QFileSystemWatcher>
  28 #include <QHash>
  29 #include <QList>
  30 #include <QMetaType>
  31 #include <QObject>
  32 #include <QStringList>
  33 #include <QTextDocument>
  34 #include <QPlainTextDocumentLayout>
  35 #include <QUuid>
  36
  37 namespace ScIDE {
  38
  39 namespace Settings { class Manager; }
  40
  41 class Main;
  42 class DocumentManager;
  43
  44 class Document : public QObject
  45 {
  46     Q_OBJECT
  47
  48     friend class DocumentManager;
  49
  50 public:
  51     Document();
  52
  53     QTextDocument *textDocument() { return mDoc; }
  54     const QByteArray & id() { return mId; }
  55     const QString & filePath() { return mFilePath; }
  56     const QString & title() { return mTitle; }
  57
  58     QFont defaultFont() const { return mDoc->defaultFont(); }
  59     void setDefaultFont( const QFont & font );
  60
  61     int indentWidth() const { return mIndentWidth; }
  62     void setIndentWidth( int numSpaces );
  63
  64     void deleteTrailingSpaces();
  65
  66 public slots:
  67     void applySettings( Settings::Manager * );
  68     void resetDefaultFont();
  69
  70 signals:
  71     void defaultFontChanged();
  72
  73 private:
  74     QByteArray mId;
  75     QTextDocument *mDoc;
  76     QString mFilePath;
  77     QString mTitle;
  78     QDateTime mSaveTime;
  79     int mIndentWidth;
  80 };
  81
  82 class DocumentManager : public QObject
  83 {
  84     Q_OBJECT
  85
  86 public:
  87     typedef QList< Document * > DocumentList;
  88
  89     DocumentManager( Main *, Settings::Manager * );
  90     QList<Document*> documents() {
  91         return mDocHash.values();
  92     }
  93
  94     void create();
  95     void close( Document * );
  96     bool save( Document * );
  97     bool saveAs( Document *, const QString & path );
  98     bool reload( Document * );
  99     const QStringList & recents() const { return mRecent; }
 100
 101 public slots:
 102     // initialCursorPosition -1 means "don't change position if already open"
 103     Document * open( const QString & path, int initialCursorPosition = -1, int selectionLength = 0, bool addToRecent = true );
 104     void clearRecents();
 105     void storeSettings( Settings::Manager * );
 106
 107 Q_SIGNALS:
 108     void opened( Document *, int cursorPosition, int selectionLength );
 109     void closed( Document * );
 110     void saved( Document * );
 111     void showRequest( Document *, int pos = -1, int selectionLength = 0 );
 112     void changedExternally( Document * );
 113     void recentsChanged();
 114
 115 private slots:
 116     void onFileChanged( const QString & path );
 117
 118 private:
 119     Document * createDocument();
 120     bool doSaveAs( Document *, const QString & path );
 121     void addToRecent( Document * );
 122     void loadRecentDocuments( Settings::Manager * );
 123
 124     typedef QHash<QByteArray, Document*>::iterator DocIterator;
 125
 126     QHash<QByteArray, Document*> mDocHash;
 127     QFileSystemWatcher mFsWatcher;
 128
 129     QStringList mRecent;
 130     static const int mMaxRecent = 10;
 131 };
 132
 133 } // namespace ScIDE
 134
 135 Q_DECLARE_METATYPE( ScIDE::Document* );
 136
 137 #endif // SCIDE_DOC_MANAGER_HPP_INCLUDED