mirror of
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277 lines
6.1 KiB
C++
277 lines
6.1 KiB
C++
/**
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* \file InsetWrap.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Dekel Tsur
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* \author Uwe Stöhr
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*
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* Full author contact details are available in file CREDITS.
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*/
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#include <config.h>
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#include "InsetWrap.h"
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#include "InsetCaption.h"
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#include "Buffer.h"
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#include "BufferParams.h"
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#include "BufferView.h"
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#include "Counters.h"
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#include "Cursor.h"
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#include "DispatchResult.h"
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#include "Floating.h"
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#include "FloatList.h"
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#include "FuncRequest.h"
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#include "FuncStatus.h"
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#include "LaTeXFeatures.h"
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#include "Lexer.h"
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#include "xml.h"
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#include "texstream.h"
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#include "TextClass.h"
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#include "support/debug.h"
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#include "support/docstream.h"
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#include "support/gettext.h"
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#include "frontends/Application.h"
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#include <climits>
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using namespace std;
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namespace lyx {
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InsetWrap::InsetWrap(Buffer * buf, string const & type)
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: InsetCaptionable(buf)
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{
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setCaptionType(type);
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}
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InsetWrap::~InsetWrap()
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{
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hideDialogs("wrap", this);
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}
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// Enforce equality of float type and caption type.
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void InsetWrap::setCaptionType(std::string const & type)
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{
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InsetCaptionable::setCaptionType(type);
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params_.type = captionType();
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setLabel(_("Wrap: ") + floatName(type));
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}
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docstring InsetWrap::layoutName() const
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{
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return "Wrap:" + from_utf8(params_.type);
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}
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docstring InsetWrap::toolTip(BufferView const & bv, int x, int y) const
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{
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if (isOpen(bv))
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return InsetCaptionable::toolTip(bv, x, y);
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OutputParams rp(&buffer().params().encoding());
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docstring caption_tip = getCaptionText(rp);
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if (!caption_tip.empty())
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caption_tip += from_ascii("\n");
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return toolTipText(caption_tip);
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}
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void InsetWrap::doDispatch(Cursor & cur, FuncRequest & cmd)
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY: {
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cur.recordUndoInset(this);
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InsetWrapParams params;
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InsetWrap::string2params(to_utf8(cmd.argument()), params);
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params_.lines = params.lines;
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params_.placement = params.placement;
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params_.overhang = params.overhang;
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params_.width = params.width;
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break;
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}
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case LFUN_INSET_DIALOG_UPDATE:
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cur.bv().updateDialog("wrap", params2string(params()));
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break;
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default:
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InsetCaptionable::doDispatch(cur, cmd);
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break;
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}
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}
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bool InsetWrap::getStatus(Cursor & cur, FuncRequest const & cmd,
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FuncStatus & flag) const
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{
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switch (cmd.action()) {
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case LFUN_INSET_MODIFY:
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case LFUN_INSET_DIALOG_UPDATE:
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flag.setEnabled(true);
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return true;
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default:
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return InsetCaptionable::getStatus(cur, cmd, flag);
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}
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}
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void InsetWrap::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
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{
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InsetCaptionable::updateBuffer(it, utype, deleted);
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}
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void InsetWrapParams::write(ostream & os) const
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{
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os << "Wrap " << type << '\n';
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os << "lines " << lines << '\n';
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os << "placement " << placement << '\n';
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os << "overhang " << overhang.asString() << '\n';
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os << "width \"" << width.asString() << "\"\n";
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}
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void InsetWrapParams::read(Lexer & lex)
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{
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lex.setContext("InsetWrapParams::read");
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lex >> "lines" >> lines;
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lex >> "placement" >> placement;
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lex >> "overhang" >> overhang;
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lex >> "width" >> width;
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}
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void InsetWrap::write(ostream & os) const
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{
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params_.write(os);
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InsetCaptionable::write(os);
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}
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void InsetWrap::read(Lexer & lex)
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{
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params_.read(lex);
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InsetCaptionable::read(lex);
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}
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void InsetWrap::validate(LaTeXFeatures & features) const
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{
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features.require("wrapfig");
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features.inFloat(true);
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InsetCaptionable::validate(features);
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features.inFloat(false);
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}
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void InsetWrap::latex(otexstream & os, OutputParams const & runparams_in) const
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{
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OutputParams runparams(runparams_in);
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runparams.inFloat = OutputParams::MAINFLOAT;
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os << "\\begin{wrap" << from_ascii(params_.type) << '}';
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// no optional argument when lines are zero
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if (params_.lines != 0)
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os << '[' << params_.lines << ']';
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os << '{' << from_ascii(params_.placement) << '}';
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Length over(params_.overhang);
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// no optional argument when the value is zero
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if (over.value() != 0)
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os << '[' << from_ascii(params_.overhang.asLatexString()) << ']';
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os << '{' << from_ascii(params_.width.asLatexString()) << "}%\n";
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InsetText::latex(os, runparams);
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os << "\\end{wrap" << from_ascii(params_.type) << "}%\n";
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}
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int InsetWrap::plaintext(odocstringstream & os,
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OutputParams const & runparams, size_t max_length) const
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{
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os << '[' << buffer().B_("wrap") << ' '
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<< floatName(params_.type) << ":\n";
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InsetText::plaintext(os, runparams, max_length);
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os << "\n]";
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return PLAINTEXT_NEWLINE + 1; // one char on a separate line
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}
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void InsetWrap::docbook(XMLStream & xs, OutputParams const & runparams) const
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{
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InsetLayout const & il = getLayout();
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xs << xml::StartTag(il.docbooktag(), il.docbookattr()); // TODO: Detect when there is a title.
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InsetText::docbook(xs, runparams);
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xs << xml::EndTag(il.docbooktag());
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}
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docstring InsetWrap::xhtml(XMLStream & xs, OutputParams const & rp) const
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{
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string const len = params_.width.asHTMLString();
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string const width = len.empty() ? "50%" : len;
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InsetLayout const & il = getLayout();
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string const & tag = il.htmltag();
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string const attr = il.htmlGetAttrString() + " style='width:" + width + ";'";
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xs << xml::StartTag(tag, attr);
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docstring const deferred =
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InsetText::insetAsXHTML(xs, rp, InsetText::WriteInnerTag);
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xs << xml::EndTag(tag);
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return deferred;
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}
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bool InsetWrap::insetAllowed(InsetCode code) const
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{
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switch(code) {
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case WRAP_CODE:
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case FOOT_CODE:
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case MARGIN_CODE:
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return false;
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default:
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return InsetCaptionable::insetAllowed(code);
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}
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}
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bool InsetWrap::showInsetDialog(BufferView * bv) const
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{
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if (!InsetText::showInsetDialog(bv))
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bv->showDialog("wrap", params2string(params()),
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const_cast<InsetWrap *>(this));
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return true;
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}
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void InsetWrap::string2params(string const & in, InsetWrapParams & params)
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{
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params = InsetWrapParams();
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istringstream data(in);
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Lexer lex;
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lex.setStream(data);
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lex.setContext("InsetWrap::string2params");
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lex >> "wrap";
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lex >> "Wrap"; // Part of the inset proper, swallowed by Text::readInset
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lex >> params.type; // We have to read the type here!
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params.read(lex);
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}
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string InsetWrap::params2string(InsetWrapParams const & params)
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{
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ostringstream data;
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data << "wrap" << ' ';
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params.write(data);
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return data.str();
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}
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} // namespace lyx
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