#ifndef _PREVIEW_W_H_INCLUDED_ #define _PREVIEW_W_H_INCLUDED_ /* @(#$Id: preview_w.h,v 1.20 2008-12-16 14:20:10 dockes Exp $ (C) 2006 J.F.Dockes */ /* * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the * Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include "rcldb.h" #include "refcntr.h" #include "plaintorich.h" class QTabWidget; class QLabel; class QLineEdit; class QPushButton; class QCheckBox; class PreviewTextEdit; class Preview; #if (QT_VERSION < 0x040000) #include #include #define QTEXTEDIT QTextEdit class QPopupMenu; #define RCLPOPUP QPopupMenu #else #include #include class Q3PopupMenu; #define RCLPOPUP Q3PopupMenu #define QTEXTEDIT Q3TextEdit #endif // We keep a list of data associated to each tab class TabData { public: string url; // filename for this tab string ipath; // Internal doc path inside file int docnum; // Index of doc in db search results. // doc out of internfile (previous fields come from the index) with // main text erased (for space). Rcl::Doc fdoc; // Saved rich text: the textedit seems to sometimes (but not // always) return its text stripped of tags, so this is needed // (for printing for example) QString richtxt; TabData() : docnum(-1) {} }; class PreviewTextEdit : public QTEXTEDIT { Q_OBJECT public: PreviewTextEdit(QWidget* parent, const char* name, Preview *pv) : QTEXTEDIT(parent, name), m_preview(pv), m_dspflds(false) {} void moveToAnchor(const QString& name); #if (QT_VERSION >= 0x040000) virtual bool find(const QString &expr, bool cs, bool wo,bool forward = true, int *para = 0, int *index = 0); #endif public slots: virtual void toggleFields(); virtual void print(); friend class Preview; private: virtual RCLPOPUP *createPopupMenu(const QPoint& pos); Preview *m_preview; TabData m_data; bool m_dspflds; }; // Subclass plainToRich to add s and anchors to the preview text class PlainToRichQtPreview : public PlainToRich { public: int lastanchor; PlainToRichQtPreview() { lastanchor = 0; } virtual ~PlainToRichQtPreview() {} virtual string header() { if (m_inputhtml) { return snull; } else { return string("

");
	}
    }
    virtual string startMatch() {return string("");}
    virtual string endMatch() {return string("");}
    virtual string termAnchorName(int i) {
	static const char *termAnchorNameBase = "TRM";
	char acname[sizeof(termAnchorNameBase) + 20];
	sprintf(acname, "%s%d", termAnchorNameBase, i);
	if (i > lastanchor)
	    lastanchor = i;
	return string(acname);
    }

    virtual string startAnchor(int i) {
	return string("";
    }
    virtual string endAnchor() {
	return string("");
    }
    virtual string startChunk() { return "";}
};

class Preview : public QWidget {

    Q_OBJECT

public:

    Preview(int sid, // Search Id
	    const HiliteData& hdata) // Search terms etc. for highlighting
	: QWidget(0), m_searchId(sid), m_hData(hdata)
    {
	init();
    }
    ~Preview(){}

    virtual void closeEvent(QCloseEvent *e );
    virtual bool eventFilter(QObject *target, QEvent *event );
    /** 
     * Arrange for the document to be displayed either by exposing the tab 
     * if already loaded, or by creating a new tab and loading it.
     * @para docnum is used to link back to the result list (to highlight 
     *   paragraph when tab exposed etc.
     */
    virtual bool makeDocCurrent(const Rcl::Doc& idoc, int docnum, 
				bool sametab = false);
    friend class PreviewTextEdit;
public slots:
    virtual void searchTextLine_textChanged(const QString& text);
    virtual void doSearch(const QString& str, bool next, bool reverse,
			  bool wo = false);
    virtual void nextPressed();
    virtual void prevPressed();
    virtual void currentChanged(QWidget *tw);
    virtual void closeCurrentTab();
    virtual void textDoubleClicked(int, int);
    virtual void selecChanged();

signals:
    void previewClosed(Preview *);
    void wordSelect(QString);
    void showNext(Preview *w, int sid, int docnum);
    void showPrev(Preview *w, int sid, int docnum);
    void previewExposed(Preview *w, int sid, int docnum);
    void printCurrentPreviewRequest();

private:
    // Identifier of search in main window. This is used to check that
    // we make sense when requesting the next document when browsing
    // successive search results in a tab.
    int           m_searchId; 

    bool          m_dynSearchActive;
    bool          m_canBeep;
    bool          m_loading;
    QWidget      *m_currentW;
    HiliteData    m_hData;
    bool          m_justCreated; // First tab create is different
    PlainToRichQtPreview m_plaintorich;
    bool          m_haveAnchors; // Search terms are marked in text
    int           m_lastAnchor; // Number of last anchor. Then rewind to 1
    int           m_curAnchor;

    QTabWidget* pvTab;
    QLabel* searchLabel;
    QLineEdit* searchTextLine;
    QPushButton* nextButton;
    QPushButton* prevButton;
    QPushButton* clearPB;
    QCheckBox* matchCheck;

    void init();
    virtual void setCurTabProps(const Rcl::Doc& doc, int docnum);
    virtual PreviewTextEdit *currentEditor();
    virtual PreviewTextEdit *addEditorTab();
    virtual bool loadDocInCurrentTab(const Rcl::Doc& idoc, int dnm);
};

#endif /* _PREVIEW_W_H_INCLUDED_ */