File indexing completed on 2024-06-09 03:45:57

0001 /*
0002     SPDX-License-Identifier: GPL-2.0-or-later
0003 
0004     SPDX-FileCopyrightText: 2009 Alexander Rieder <alexanderrieder@gmail.com>
0005 */
0006 
0007 #ifndef CANTORPART_H
0008 #define CANTORPART_H
0009 
0010 #include <QPointer>
0011 
0012 #include <KParts/ReadWritePart>
0013 #include <cantor/session.h>
0014 
0015 class QWidget;
0016 class Worksheet;
0017 class WorksheetView;
0018 class SarchBar;
0019 class SearchBar;
0020 class ScriptEditorWidget;
0021 class KAboutData;
0022 class QAction;
0023 class KToggleAction;
0024 class KProgressDialog;
0025 
0026 namespace Cantor {
0027     class PanelPluginHandler;
0028 }
0029 
0030 /**
0031  * This is a "Part".  It that does all the real work in a KPart
0032  * application.
0033  *
0034  * @short Main Part
0035  * @author Alexander Rieder <alexanderrieder@gmail.com>
0036  */
0037 class CantorPart : public KParts::ReadWritePart
0038 {
0039     Q_OBJECT
0040 public:
0041     /**
0042      * Default constructor
0043      */
0044     CantorPart(QWidget *parentWidget,QObject *parent, const QVariantList &args);
0045 
0046     /**
0047      * Destructor
0048      */
0049     ~CantorPart() override;
0050 
0051     /**
0052      * This is a virtual function inherited from KParts::ReadWritePart.
0053      * A shell will use this to inform this Part if it should act
0054      * read-only
0055      */
0056     void setReadWrite(bool rw) override;
0057 
0058     /**
0059      * Reimplemented to disable and enable Save action
0060      */
0061     void setModified(bool modified) override;
0062 
0063     KAboutData& createAboutData();
0064 
0065     Worksheet* worksheet();
0066 
0067 Q_SIGNALS:
0068     void setCaption(const QString& caption);
0069     void showHelp(const QString& help);
0070 
0071 protected:
0072     /**
0073      * This must be implemented by each part
0074      */
0075     bool openFile() override;
0076 
0077     /**
0078      * This must be implemented by each read-write part
0079      */
0080     bool saveFile() override;
0081 
0082     /**
0083      * Called when this part becomes the active one,
0084      * or if it looses activity
0085      **/
0086     void guiActivateEvent( KParts::GUIActivateEvent * event ) override;
0087 
0088 
0089     void loadAssistants();
0090     void adjustGuiToSession();
0091 
0092 protected Q_SLOTS:
0093     void fileSaveAs();
0094     void fileSavePlain();
0095     void exportToLatex();
0096     void evaluateOrInterrupt();
0097     void restartBackend();
0098     void enableTypesetting(bool enable);
0099     void showBackendHelp();
0100     void print();
0101     void printPreview();
0102 
0103     void worksheetStatusChanged(Cantor::Session::Status stauts);
0104     void showSessionError(const QString& error);
0105     void worksheetSessionChanged();
0106     void initialized();
0107     void updateCaption();
0108 
0109     void pluginsChanged();
0110     void runCommand(const QString& value);
0111 
0112     void runAssistant();
0113     void publishWorksheet();
0114 
0115     void showScriptEditor(bool show);
0116     void scriptEditorClosed();
0117     void runScript(const QString& file);
0118 
0119     void showSearchBar();
0120     void showExtendedSearchBar();
0121     void findNext();
0122     void findPrev();
0123     void searchBarDeleted();
0124 
0125     /** sets the status message, or cached it, if the StatusBar is blocked.
0126      *  Use this method instead of "emit setStatusBarText"
0127      */
0128     void setStatusMessage(const QString& message);
0129     /** Shows an important status message. It makes sure the message is displayed,
0130      *  by blocking the statusbarText for 3 seconds
0131      */
0132     void showImportantStatusMessage(const QString& message);
0133     /** Blocks the StatusBar for new messages, so the currently shown one won't be overridden
0134      */
0135     void blockStatusBar();
0136     /** Removes the block from the StatusBar, and shows the last one of the StatusMessages that
0137         where set during the block
0138     **/
0139     void unblockStatusBar();
0140 private:
0141     Worksheet *m_worksheet;
0142     WorksheetView *m_worksheetview;
0143     SearchBar *m_searchBar;
0144     QPointer<ScriptEditorWidget> m_scriptEditor;
0145     Cantor::PanelPluginHandler* m_panelHandler;
0146 
0147     KProgressDialog* m_initProgressDlg;
0148     QAction * m_evaluate;
0149     QAction * m_save;
0150     QAction * m_findNext;
0151     QAction * m_findPrev;
0152     KToggleAction* m_typeset;
0153     KToggleAction* m_highlight;
0154     KToggleAction* m_completion;
0155     KToggleAction* m_exprNumbering;
0156     KToggleAction* m_animateWorksheet;
0157     QAction * m_showBackendHelp;
0158 
0159     QString m_cachedStatusMessage;
0160     bool m_statusBarBlocked;
0161 };
0162 
0163 #endif // CANTORPART_H