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[wxWidgets.git] / src / html / m_layout.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        m_layout.cpp
// Purpose:     wxHtml module for basic paragraphs/layout handling
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"


#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS
#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#endif


#include "wx/html/forcelnk.h"
#include "wx/html/m_templ.h"

#include "wx/html/htmlwin.h"

FORCE_LINK_ME(m_layout)


TAG_HANDLER_BEGIN(P, "P")

    TAG_HANDLER_PROC(tag)
    {
        if (m_WParser->GetContainer()->GetFirstCell() != NULL)
        {
            m_WParser->CloseContainer();
            m_WParser->OpenContainer();
        }
        m_WParser->GetContainer()->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
        m_WParser->GetContainer()->SetAlign(tag);
        return FALSE;
    }

TAG_HANDLER_END(P)



TAG_HANDLER_BEGIN(BR, "BR")

    TAG_HANDLER_PROC(tag)
    {
        int al = m_WParser->GetContainer()->GetAlignHor();
        wxHtmlContainerCell *c;

        m_WParser->CloseContainer();
        c = m_WParser->OpenContainer();
        c->SetAlignHor(al);
        c->SetAlign(tag);
        c->SetMinHeight(m_WParser->GetCharHeight());
        return FALSE;
    }

TAG_HANDLER_END(BR)



TAG_HANDLER_BEGIN(CENTER, "CENTER")

    TAG_HANDLER_PROC(tag)
    {
        int old = m_WParser->GetAlign();
        wxHtmlContainerCell *c = m_WParser->GetContainer();

        m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
        if (c->GetFirstCell() != NULL)
        {
            m_WParser->CloseContainer();
            m_WParser->OpenContainer();
        }
        else
            c->SetAlignHor(wxHTML_ALIGN_CENTER);

        if (tag.HasEnding())
        {
            ParseInner(tag);

            m_WParser->SetAlign(old);
            if (c->GetFirstCell() != NULL)
            {
                m_WParser->CloseContainer();
                m_WParser->OpenContainer();
            }
            else
                c->SetAlignHor(old);

            return TRUE;
        }
        else return FALSE;
    }

TAG_HANDLER_END(CENTER)



TAG_HANDLER_BEGIN(DIV, "DIV")

    TAG_HANDLER_PROC(tag)
    {
        int old = m_WParser->GetAlign();
        wxHtmlContainerCell *c = m_WParser->GetContainer();
        if (c->GetFirstCell() != NULL)
        {
            m_WParser->CloseContainer();
            m_WParser->OpenContainer();
            c = m_WParser->GetContainer();
            c->SetAlign(tag);
            m_WParser->SetAlign(c->GetAlignHor());
        }
        else
        {
            c->SetAlign(tag);
            m_WParser->SetAlign(c->GetAlignHor());
        }

        ParseInner(tag);

        m_WParser->SetAlign(old);
        if (c->GetFirstCell() != NULL)
        {
            m_WParser->CloseContainer();
            m_WParser->OpenContainer();
        }
        else
            c->SetAlignHor(old);

        return TRUE;
    }

TAG_HANDLER_END(DIV)




TAG_HANDLER_BEGIN(TITLE, "TITLE")

    TAG_HANDLER_PROC(tag)
    {
        if (m_WParser->GetWindow())
        {
            wxHtmlWindow *wfr = (wxHtmlWindow*)(m_WParser->GetWindow());
            if (wfr)
            {
                const wxString& src = *m_WParser->GetSource();
                wfr->OnSetTitle(src.Mid(tag.GetBeginPos(), 
                                        tag.GetEndPos1()-tag.GetBeginPos()));
            }
        }
        return TRUE;
    }

TAG_HANDLER_END(TITLE)




TAG_HANDLER_BEGIN(BODY, "BODY")

    TAG_HANDLER_PROC(tag)
    {
        wxColour clr;

        if (tag.GetParamAsColour(wxT("TEXT"), &clr))
        {
            m_WParser->SetActualColor(clr);
            m_WParser->GetContainer()->InsertCell(new wxHtmlColourCell(clr));
        }

        if (tag.GetParamAsColour(wxT("LINK"), &clr))
            m_WParser->SetLinkColor(clr);

        if (tag.GetParamAsColour(wxT("BGCOLOR"), &clr))
        {
            m_WParser->GetContainer()->InsertCell(
                new wxHtmlColourCell(clr, wxHTML_CLR_BACKGROUND));
            if (m_WParser->GetWindow() != NULL)
                m_WParser->GetWindow()->SetBackgroundColour(clr);
        }
        return FALSE;
    }

TAG_HANDLER_END(BODY)



TAG_HANDLER_BEGIN(BLOCKQUOTE, "BLOCKQUOTE")

    TAG_HANDLER_PROC(tag)
    {
        wxHtmlContainerCell *c;

        m_WParser->CloseContainer();
        c = m_WParser->OpenContainer();

        if (c->GetAlignHor() == wxHTML_ALIGN_RIGHT)
            c->SetIndent(5 * m_WParser->GetCharWidth(), wxHTML_INDENT_RIGHT);
        else
            c->SetIndent(5 * m_WParser->GetCharWidth(), wxHTML_INDENT_LEFT);

        c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_TOP);
        m_WParser->OpenContainer();
        ParseInner(tag);
        c = m_WParser->CloseContainer();
        c->SetIndent(m_WParser->GetCharHeight(), wxHTML_INDENT_BOTTOM);
        m_WParser->CloseContainer();
        m_WParser->OpenContainer();
        return TRUE;
    }

TAG_HANDLER_END(BLOCKQUOTE)



// Tag handler for tags that we have to ignore, otherwise non-text data
// would show up as text:
TAG_HANDLER_BEGIN(DoNothing, "SCRIPT")
    TAG_HANDLER_PROC(tag)
    {
        return true;
    }
TAG_HANDLER_END(DoNothing)



TAGS_MODULE_BEGIN(Layout)

    TAGS_MODULE_ADD(P)
    TAGS_MODULE_ADD(BR)
    TAGS_MODULE_ADD(CENTER)
    TAGS_MODULE_ADD(DIV)
    TAGS_MODULE_ADD(TITLE)
    TAGS_MODULE_ADD(BODY)
    TAGS_MODULE_ADD(BLOCKQUOTE)
    TAGS_MODULE_ADD(DoNothing)

TAGS_MODULE_END(Layout)

#endif