]> git.lyx.org Git - lyx.git/blobdiff - src/CutAndPaste.C
architectural changes to tex2lyx
[lyx.git] / src / CutAndPaste.C
index fea5382d1bd578993663c16238d068c9d899cefb..36c863428ff1f183dce6c9092f39c18c789aea12 100644 (file)
-/* This file is part of
- * ======================================================
+/* \file CutAndPaste.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Juergen Vigna
+ * \author Lars Gullik Bjønnes
+ * \author Alfredo Braunstein
  *
- *           Copyright 1995-2001 The LyX Team.
- *
- * ====================================================== */
+ * Full author contact details are available in file CREDITS
+ */
 
 #include <config.h>
 
 #include "CutAndPaste.h"
 #include "BufferView.h"
 #include "buffer.h"
+#include "errorlist.h"
 #include "paragraph.h"
 #include "ParagraphParameters.h"
 #include "lyxtext.h"
 #include "lyxcursor.h"
-#include "gettext.h"
 #include "iterators.h"
 #include "lyxtextclasslist.h"
 #include "undo_funcs.h"
+#include "gettext.h"
 #include "paragraph_funcs.h"
 #include "debug.h"
+#include "insets/insetinclude.h"
+#include "insets/insettabular.h"
 
-#include "insets/inseterror.h"
-
-#include "support/BoostFormat.h"
 #include "support/LAssert.h"
+#include "support/lstrings.h"
+#include "support/limited_stack.h"
 
 using std::endl;
 using std::pair;
 using std::make_pair;
 using std::for_each;
+using std::vector;
 
+using namespace lyx::support;
 using lyx::pos_type;
 using lyx::textclass_type;
 
-extern BufferView * current_view;
-
-// Jürgen, note that this means that you cannot currently have a list
-// of selections cut/copied. So IMHO later we should have a
-// list/vector/deque that we could store
-// struct selection_item {
-//       Paragraph * buf;
-//       LyXTextClassList::size_type textclass;
-// };
-// in and some method of choosing beween them (based on the first few chars
-// in the selection probably.) This would be a nice feature and quite
-// easy to implement. (Lgb)
-//
-// Sure but I just cleaned up this code for now with the same functionality
-// as before. I also want to add a XClipboard function so that we can copy
-// text from LyX to some other X-application in the form of ASCII or in the
-// form of LaTeX (or Docbook depending on the document-class!). Think how nice
-// it could be to select a math-inset do a "Copy to X-Clipboard as LaTeX" and
-// then do a middle mouse button click in the application you want and have
-// the whole formula there in LaTeX-Code. (Jug)
+
+typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
 
 namespace {
 
-// FIXME: stupid name
-ParagraphList paragraphs;
-textclass_type textclass = 0;
+CutStack cuts(10);
 
 } // namespace anon
 
-PitPosPair CutAndPaste::cutSelection(ParagraphList & pars,
+
+std::vector<string>
+CutAndPaste::availableSelections(Buffer const & buffer)
+{
+       vector<string> selList;
+
+       CutStack::const_iterator cit = cuts.begin();
+       CutStack::const_iterator end = cuts.end();
+       for (; cit != end; ++cit) {
+               // we do not use cit-> here because gcc 2.9x does not
+               // like it (JMarc)
+               ParagraphList const & pars = (*cit).first;
+               string asciiSel;
+               ParagraphList::const_iterator pit = pars.begin();
+               ParagraphList::const_iterator pend = pars.end();
+               for (; pit != pend; ++pit) {
+                       asciiSel += pit->asString(&buffer, false);
+                       if (asciiSel.size() > 25) {
+                               asciiSel.replace(22, string::npos, "...");
+                               break;
+                       }
+               }
+
+               selList.push_back(asciiSel);
+       }
+
+       return selList;
+}
+
+
+PitPosPair CutAndPaste::cutSelection(BufferParams const & params,
+                                    ParagraphList & pars,
                                     ParagraphList::iterator startpit,
                                     ParagraphList::iterator endpit,
                                     int startpos, int endpos,
                                     textclass_type tc, bool doclear)
 {
        copySelection(startpit, endpit, startpos, endpos, tc);
-       return eraseSelection(pars, startpit, endpit, startpos,
+       return eraseSelection(params, pars, startpit, endpit, startpos,
                              endpos, doclear);
 }
 
 
-PitPosPair CutAndPaste::eraseSelection(ParagraphList & pars,
+PitPosPair CutAndPaste::eraseSelection(BufferParams const & params,
+                                      ParagraphList & pars,
                                       ParagraphList::iterator startpit,
                                       ParagraphList::iterator endpit,
                                       int startpos, int endpos, bool doclear)
@@ -137,10 +155,7 @@ PitPosPair CutAndPaste::eraseSelection(ParagraphList & pars,
        if (all_erased &&
            (startpit->hasSameLayout(*boost::next(startpit)) ||
             boost::next(startpit)->empty())) {
-#warning current_view used here.
-// should we pass buffer or buffer->params around?
-               Buffer * buffer = current_view->buffer();
-               mergeParagraph(buffer->params, pars, &*startpit);
+               mergeParagraph(params, pars, startpit);
                // this because endpar gets deleted here!
                endpit = startpit;
                endpos = startpos;
@@ -166,13 +181,11 @@ bool CutAndPaste::copySelection(ParagraphList::iterator startpit,
                                ParagraphList::iterator endpit,
                                int start, int end, textclass_type tc)
 {
-       lyx::Assert(&*startpit);
-       lyx::Assert(&*endpit);
-       lyx::Assert(0 <= start && start <= startpit->size());
-       lyx::Assert(0 <= end && end <= endpit->size());
-       lyx::Assert(startpit != endpit || start <= end);
+       Assert(0 <= start && start <= startpit->size());
+       Assert(0 <= end && end <= endpit->size());
+       Assert(startpit != endpit || start <= end);
 
-       textclass = tc;
+       ParagraphList paragraphs;
 
        // Clone the paragraphs within the selection.
        ParagraphList::iterator postend = boost::next(endpit);
@@ -188,48 +201,52 @@ bool CutAndPaste::copySelection(ParagraphList::iterator startpit,
        Paragraph & front = paragraphs.front();
        front.erase(0, start);
 
+       cuts.push(make_pair(paragraphs, tc));
+
        return true;
 }
 
 
 pair<PitPosPair, ParagraphList::iterator>
-CutAndPaste::pasteSelection(ParagraphList & pars,
+CutAndPaste::pasteSelection(Buffer const & buffer,
+                           ParagraphList & pars,
                            ParagraphList::iterator pit, int pos,
-                           textclass_type tc)
+                           textclass_type tc,
+                           ErrorList & errorlist)
+{
+       return pasteSelection(buffer, pars, pit, pos, tc, 0, errorlist);
+}
+
+
+pair<PitPosPair, ParagraphList::iterator>
+CutAndPaste::pasteSelection(Buffer const & buffer,
+                           ParagraphList & pars,
+                           ParagraphList::iterator pit, int pos,
+                           textclass_type tc, size_t cut_index,
+                           ErrorList & errorlist)
 {
        if (!checkPastePossible())
                return make_pair(PitPosPair(pit, pos), pit);
 
-       lyx::Assert (pos <= pit->size());
+       Assert (pos <= pit->size());
 
-       // make a copy of the simple cut_buffer
-#if 1
-       ParagraphList simple_cut_clone;
-       ParagraphList::iterator it = paragraphs.begin();
-       ParagraphList::iterator end = paragraphs.end();
-       for (; it != end; ++it) {
-               simple_cut_clone.push_back(new Paragraph(*it, false));
-       }
-#else
-       // Later we want it done like this:
-       ParagraphList simple_cut_clone = paragraphs;
-#endif
-       // now remove all out of the buffer which is NOT allowed in the
-       // new environment and set also another font if that is required
-       ParagraphList::iterator tmpbuf = paragraphs.begin();
-       int depth_delta = pit->params().depth() - tmpbuf->params().depth();
-       // Temporary set *par as previous of tmpbuf as we might have
-       // to realize the font.
-       tmpbuf->previous(&*pit);
+       // Make a copy of the CaP paragraphs.
+       ParagraphList simple_cut_clone = cuts[cut_index].first;
+       textclass_type const textclass = cuts[cut_index].second;
 
-       // make sure there is no class difference
-#warning current_view used here
-       SwitchLayoutsBetweenClasses(textclass, tc, &*tmpbuf,
-                                   current_view->buffer()->params);
+       // Now remove all out of the pars which is NOT allowed in the
+       // new environment and set also another font if that is required.
+
+       // Make sure there is no class difference.
+       SwitchLayoutsBetweenClasses(textclass, tc, simple_cut_clone,
+                                   errorlist);
+
+       ParagraphList::iterator tmpbuf = simple_cut_clone.begin();
+       int depth_delta = pit->params().depth() - tmpbuf->params().depth();
 
        Paragraph::depth_type max_depth = pit->getMaxDepthAfter();
 
-       for (; tmpbuf != paragraphs.end(); ++tmpbuf) {
+       for (; tmpbuf != simple_cut_clone.end(); ++tmpbuf) {
                // If we have a negative jump so that the depth would
                // go below 0 depth then we have to redo the delta to
                // this new max depth level so that subsequent
@@ -237,15 +254,18 @@ CutAndPaste::pasteSelection(ParagraphList & pars,
                // at level 0.
                if ((int(tmpbuf->params().depth()) + depth_delta) < 0)
                        depth_delta = 0;
-               // set the right depth so that we are not too deep or shallow.
+
+               // Set the right depth so that we are not too deep or shallow.
                tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
                if (tmpbuf->params().depth() > max_depth)
                        tmpbuf->params().depth(max_depth);
-               // only set this from the 2nd on as the 2nd depends for maxDepth
-               // still on pit
-               if (tmpbuf->previous() != pit)
+
+               // Only set this from the 2nd on as the 2nd depends
+               // for maxDepth still on pit.
+               if (tmpbuf != simple_cut_clone.begin())
                        max_depth = tmpbuf->getMaxDepthAfter();
-               // set the inset owner of this paragraph
+
+               // Set the inset owner of this paragraph.
                tmpbuf->setInsetOwner(pit->inInset());
                for (pos_type i = 0; i < tmpbuf->size(); ++i) {
                        if (tmpbuf->getChar(i) == Paragraph::META_INSET) {
@@ -253,7 +273,7 @@ CutAndPaste::pasteSelection(ParagraphList & pars,
                                        tmpbuf->erase(i--);
                                }
                        } else {
-                               LyXFont f1 = tmpbuf->getFont(current_view->buffer()->params, i, outerFont(tmpbuf, pars));
+                               LyXFont f1 = tmpbuf->getFont(buffer.params, i, outerFont(pit, pars));
                                LyXFont f2 = f1;
                                if (!pit->checkInsertChar(f1)) {
                                        tmpbuf->erase(i--);
@@ -264,63 +284,89 @@ CutAndPaste::pasteSelection(ParagraphList & pars,
                }
        }
 
-       // now reset it to 0
-       paragraphs.begin()->previous(0);
+       // Make the buf exactly the same layout than
+       // the cursor paragraph.
+       simple_cut_clone.begin()->makeSameLayout(*pit);
+
+       // Prepare the paragraphs and insets for insertion
+       // A couple of insets store buffer references so need
+       // updating
+       ParIterator fpit(simple_cut_clone.begin(), simple_cut_clone);
+       ParIterator fend(simple_cut_clone.end(), simple_cut_clone);
+
+       for (; fpit != fend; ++fpit) {
+               InsetList::iterator lit = fpit->insetlist.begin();
+               InsetList::iterator eit = fpit->insetlist.end();
+
+               for (; lit != eit; ++lit) {
+                       switch (lit->inset->lyxCode()) {
+                       case InsetOld::INCLUDE_CODE: {
+                               InsetInclude * ii = static_cast<InsetInclude*>(lit->inset);
+                               InsetInclude::Params ip = ii->params();
+                               ip.masterFilename_ = buffer.fileName();
+                               ii->set(ip);
+                               break;
+                       }
 
-       // make the buf exactly the same layout than
-       // the cursor paragraph
-       paragraphs.begin()->makeSameLayout(*pit);
+                       case InsetOld::TABULAR_CODE: {
+                               InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
+                               it->buffer(const_cast<Buffer*>(&buffer));
+                               break;
+                       }
 
-       // find the end of the buffer
-       // FIXME: change this to end() - 1
-       ParagraphList::iterator lastbuffer = paragraphs.begin();
-       while (boost::next(lastbuffer) != paragraphs.end())
-               ++lastbuffer;
+                       default:
+                               break; // nothing
+                       }
+               }
+       }
 
        bool paste_the_end = false;
 
-       // open the paragraph for inserting the buf
-       // if necessary
-       if (pit->size() > pos || !pit->next()) {
-               breakParagraphConservative(current_view->buffer()->params,
-                                          pars, &*pit, pos);
+       // Open the paragraph for inserting the buf
+       // if necessary.
+       if (pit->size() > pos || boost::next(pit) == pars.end()) {
+               breakParagraphConservative(buffer.params,
+                                          pars, pit, pos);
                paste_the_end = true;
        }
-       // set the end for redoing later
+
+       // Set the end for redoing later.
        ParagraphList::iterator endpit = boost::next(boost::next(pit));
 
-       // paste it!
-       lastbuffer->next(pit->next());
-       pit->next()->previous(&*lastbuffer);
-
-       pit->next(&*paragraphs.begin());
-       paragraphs.begin()->previous(&*pit);
-
-       if (boost::next(pit) == lastbuffer)
-               lastbuffer = pit;
-
-       mergeParagraph(current_view->buffer()->params, pars, pit);
-       // store the new cursor position
-       pit = lastbuffer;
-       pos = lastbuffer->size();
-       // maybe some pasting
-       if (boost::next(lastbuffer) != paragraphs.end() && paste_the_end) {
-               if (boost::next(lastbuffer)->hasSameLayout(*lastbuffer)) {
-                       mergeParagraph(current_view->buffer()->params, pars,
-                                      lastbuffer);
-               } else if (!boost::next(lastbuffer)->size()) {
-                       boost::next(lastbuffer)->makeSameLayout(*lastbuffer);
-                       mergeParagraph(current_view->buffer()->params, pars,
-                                      lastbuffer);
-               } else if (!lastbuffer->size()) {
-                       lastbuffer->makeSameLayout(*boost::next(lastbuffer));
-                       mergeParagraph(current_view->buffer()->params, pars,
-                                      lastbuffer);
+       // Paste it!
+
+       ParagraphList::iterator past_pit = boost::next(pit);
+       pars.splice(past_pit, simple_cut_clone);
+       ParagraphList::iterator last_paste = boost::prior(past_pit);
+
+       // If we only inserted one paragraph.
+       if (boost::next(pit) == last_paste)
+               last_paste = pit;
+
+       mergeParagraph(buffer.params, pars, pit);
+
+       // Store the new cursor position.
+       pit = last_paste;
+       pos = last_paste->size();
+
+       // Maybe some pasting.
+#warning CHECK! Are we comparing last_paste to the wrong list here? (Lgb)
+       if (boost::next(last_paste) != pars.end() &&
+           paste_the_end) {
+               if (boost::next(last_paste)->hasSameLayout(*last_paste)) {
+                       mergeParagraph(buffer.params, pars,
+                                      last_paste);
+               } else if (boost::next(last_paste)->empty()) {
+                       boost::next(last_paste)->makeSameLayout(*last_paste);
+                       mergeParagraph(buffer.params, pars,
+                                      last_paste);
+               } else if (last_paste->empty()) {
+                       last_paste->makeSameLayout(*boost::next(last_paste));
+                       mergeParagraph(buffer.params, pars,
+                                      last_paste);
                } else
-                       boost::next(lastbuffer)->stripLeadingSpaces();
+                       boost::next(last_paste)->stripLeadingSpaces();
        }
-       // restore the simple cut buffer
-       paragraphs = simple_cut_clone;
 
        return make_pair(PitPosPair(pit, pos), endpit);
 }
@@ -328,62 +374,43 @@ CutAndPaste::pasteSelection(ParagraphList & pars,
 
 int CutAndPaste::nrOfParagraphs()
 {
-       return paragraphs.size();
+       return cuts.empty() ? 0 : cuts[0].first.size();
 }
 
 
 int CutAndPaste::SwitchLayoutsBetweenClasses(textclass_type c1,
                                             textclass_type c2,
-                                            Paragraph * par,
-                                            BufferParams const & /*bparams*/)
+                                            ParagraphList & pars,
+                                            ErrorList & errorlist)
 {
+       Assert(!pars.empty());
+
        int ret = 0;
-       if (!par || c1 == c2)
+       if (c1 == c2)
                return ret;
 
        LyXTextClass const & tclass1 = textclasslist[c1];
        LyXTextClass const & tclass2 = textclasslist[c2];
-       ParIterator end = ParIterator();
-       for (ParIterator it = ParIterator(par); it != end; ++it) {
-               par = *it;
-               string const name = par->layout()->name();
+       ParIterator end = ParIterator(pars.end(), pars);
+       for (ParIterator it = ParIterator(pars.begin(), pars); it != end; ++it) {
+               string const name = it->layout()->name();
                bool hasLayout = tclass2.hasLayout(name);
 
                if (hasLayout)
-                       par->layout(tclass2[name]);
+                       it->layout(tclass2[name]);
                else
-                       par->layout(tclass2.defaultLayout());
+                       it->layout(tclass2.defaultLayout());
 
                if (!hasLayout && name != tclass1.defaultLayoutName()) {
                        ++ret;
-#if USE_BOOST_FORMAT
-                       boost::format fmt(_("Layout had to be changed from\n"
-                                           "%1$s to %2$s\n"
-                                           "because of class conversion from\n"
-                                           "%3$s to %4$s"));
-                       fmt     % name
-                               % par->layout()->name()
-                               % tclass1.name()
-                               % tclass2.name();
-
-                       string const s = fmt.str();
-#else
-                       string const s = _("Layout had to be changed from\n")
-                               + name + _(" to ")
-                               + par->layout()->name()
-                               + _("\nbecause of class conversion from\n")
-                               + tclass1.name() + _(" to ")
-                               + tclass2.name();
-#endif
-                       freezeUndo();
-                       InsetError * new_inset = new InsetError(s);
-                       LyXText * txt = current_view->getLyXText();
-                       LyXCursor cur = txt->cursor;
-                       txt->setCursorIntern(par, 0);
-                       txt->insertInset(new_inset);
-                       txt->fullRebreak();
-                       txt->setCursorIntern(cur.par(), cur.pos());
-                       unFreezeUndo();
+                       string const s = bformat(
+                               _("Layout had to be changed from\n%1$s to %2$s\n"
+                               "because of class conversion from\n%3$s to %4$s"),
+                        name, it->layout()->name(), tclass1.name(), tclass2.name());
+                       // To warn the user that something had to be done.
+                       errorlist.push_back(ErrorItem("Changed Layout", s,
+                                                     it->id(), 0,
+                                                     it->size()));
                }
        }
        return ret;
@@ -392,5 +419,5 @@ int CutAndPaste::SwitchLayoutsBetweenClasses(textclass_type c1,
 
 bool CutAndPaste::checkPastePossible()
 {
-       return !paragraphs.empty();
+       return !cuts.empty() && !cuts[0].first.empty();
 }