lyx_mirror/src/frontends/xforms/FormCitation.C

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// -*- C++ -*-
/* This file is part of
* ======================================================
*
* LyX, The Document Processor
*
* Copyright 2000-2001 The LyX Team.
*
* ======================================================
*
* \file FormCitation.C
* \author Angus Leeming, a.leeming@ic.ac.uk
*/
#include <config.h>
#include <algorithm>
#ifdef __GNUG__
#pragma implementation
#endif
#include "xformsBC.h"
#include "ControlCitation.h"
#include "FormCitation.h"
#include "form_citation.h"
#include "gettext.h"
#include "support/lstrings.h"
#include "biblio.h"
#include "helper_funcs.h"
#include "xforms_helpers.h"
using std::find;
using std::max;
using std::min;
using std::pair;
using std::sort;
using std::vector;
namespace {
// shamelessly stolen from Menubar_pimpl.C
int string_width(string const & str)
{
return fl_get_string_widthTAB(FL_NORMAL_STYLE, FL_NORMAL_SIZE,
str.c_str(),
static_cast<int>(str.length()));
}
void fillChoice(FL_OBJECT * choice, vector<string> const & vec)
{
string const str = " " + getStringFromVector(vec, " | ") + " ";
fl_clear_choice(choice);
fl_addto_choice(choice, str.c_str());
int width = 0;
for (vector<string>::const_iterator it = vec.begin();
it != vec.end(); ++it) {
width = max(width, string_width(*it));
}
// Paranoia checks
int const x = max(5, int(choice->x + 0.5 * (choice->w - width)));
if (x + width > choice->form->w)
width = choice->form->w - 10;
fl_set_object_geometry(choice, x, choice->y, width + 5, choice->h);
}
void updateStyle(FL_OBJECT * choice, FL_OBJECT * full, FL_OBJECT * force,
string command)
{
// Find the style of the citekeys
vector<biblio::CiteStyle> const & styles =
ControlCitation::getCiteStyles();
biblio::CitationStyle cs = biblio::getCitationStyle(command);
vector<biblio::CiteStyle>::const_iterator cit =
find(styles.begin(), styles.end(), cs.style);
// Use this to initialise the GUI
if (cit == styles.end()) {
fl_set_choice(choice, 1);
fl_set_button(full, 0);
fl_set_button(force, 0);
} else {
int const i = int(cit - styles.begin());
fl_set_choice(choice, i+1);
fl_set_button(full, cs.full);
fl_set_button(force, cs.forceUCase);
}
}
} // namespace anon
typedef FormCB<ControlCitation, FormDB<FD_form_citation> > base_class;
FormCitation::FormCitation(ControlCitation & c)
: base_class(c, _("Citation"))
{}
void FormCitation::apply()
{
vector<biblio::CiteStyle> const & styles =
ControlCitation::getCiteStyles();
int const choice = fl_get_choice(dialog_->choice_style) - 1;
bool const full = fl_get_button(dialog_->button_full_author_list);
bool const force = fl_get_button(dialog_->button_force_uppercase);
string const command =
biblio::getCiteCommand(styles[choice], full, force);
controller().params().setCmdName(command);
controller().params().setContents(getStringFromVector(citekeys));
string const after = fl_get_input(dialog_->input_after);
controller().params().setOptions(after);
}
void FormCitation::hide()
{
citekeys.clear();
bibkeys.clear();
FormBase::hide();
}
void FormCitation::build()
{
dialog_.reset(build_citation());
fl_set_input_return(dialog_->input_after, FL_RETURN_CHANGED);
fl_set_input_return(dialog_->input_before, FL_RETURN_CHANGED);
fl_set_button(dialog_->button_search_case, 0);
fl_set_button(dialog_->button_search_type, 0);
// Manage the ok, apply, restore and cancel/close buttons
bc().setOK(dialog_->button_ok);
bc().setApply(dialog_->button_apply);
bc().setCancel(dialog_->button_cancel);
bc().setRestore(dialog_->button_restore);
bc().addReadOnly(dialog_->button_add);
bc().addReadOnly(dialog_->button_del);
bc().addReadOnly(dialog_->button_up);
bc().addReadOnly(dialog_->button_down);
bc().addReadOnly(dialog_->choice_style);
bc().addReadOnly(dialog_->input_before);
bc().addReadOnly(dialog_->input_after);
}
ButtonPolicy::SMInput FormCitation::input(FL_OBJECT * ob, long)
{
ButtonPolicy::SMInput activate = ButtonPolicy::SMI_NOOP;
biblio::InfoMap const & theMap = controller().bibkeysInfo();
string topCitekey;
if (!citekeys.empty()) topCitekey = citekeys[0];
if (ob == dialog_->browser_bib) {
fl_deselect_browser(dialog_->browser_cite);
unsigned int const sel = fl_get_browser(dialog_->browser_bib);
if (sel < 1 || sel > bibkeys.size())
return ButtonPolicy::SMI_NOOP;
// Put into browser_info the additional info associated with
// the selected browser_bib key
fl_clear_browser(dialog_->browser_info);
string const tmp = formatted(biblio::getInfo(theMap,
bibkeys[sel-1]),
dialog_->browser_info->w-10 );
fl_add_browser_line(dialog_->browser_info, tmp.c_str());
// Highlight the selected browser_bib key in browser_cite if
// present
vector<string>::const_iterator cit =
find(citekeys.begin(), citekeys.end(), bibkeys[sel-1]);
if (cit != citekeys.end()) {
int const n = int(cit - citekeys.begin());
fl_select_browser_line(dialog_->browser_cite, n+1);
fl_set_browser_topline(dialog_->browser_cite, n+1);
}
if (!controller().isReadonly()) {
if (cit != citekeys.end()) {
setBibButtons(OFF);
setCiteButtons(ON);
} else {
setBibButtons(ON);
setCiteButtons(OFF);
}
}
} else if (ob == dialog_->browser_cite) {
unsigned int const sel = fl_get_browser(dialog_->browser_cite);
if (sel < 1 || sel > citekeys.size())
return ButtonPolicy::SMI_NOOP;
if (!controller().isReadonly()) {
setBibButtons(OFF);
setCiteButtons(ON);
}
// Highlight the selected browser_cite key in browser_bib
vector<string>::const_iterator cit =
find(bibkeys.begin(), bibkeys.end(), citekeys[sel-1]);
if (cit != bibkeys.end()) {
int const n = int(cit - bibkeys.begin());
fl_select_browser_line(dialog_->browser_bib, n+1);
fl_set_browser_topline(dialog_->browser_bib, n+1);
// Put into browser_info the additional info associated
// with the selected browser_cite key
fl_clear_browser(dialog_->browser_info);
string const tmp =
formatted(biblio::getInfo(theMap,
citekeys[sel-1]),
dialog_->browser_info->w-10);
fl_add_browser_line(dialog_->browser_info, tmp.c_str());
}
} else if (ob == dialog_->button_add) {
unsigned int const sel = fl_get_browser(dialog_->browser_bib);
if (sel < 1 || sel > bibkeys.size())
return ButtonPolicy::SMI_NOOP;
// Add the selected browser_bib key to browser_cite
fl_addto_browser(dialog_->browser_cite,
bibkeys[sel-1].c_str());
citekeys.push_back(bibkeys[sel-1]);
int const n = int(citekeys.size());
fl_select_browser_line(dialog_->browser_cite, n);
setBibButtons(OFF);
setCiteButtons(ON);
activate = ButtonPolicy::SMI_VALID;
} else if (ob == dialog_->button_del) {
unsigned int const sel = fl_get_browser(dialog_->browser_cite);
if (sel < 1 || sel > citekeys.size())
return ButtonPolicy::SMI_NOOP;
// Remove the selected key from browser_cite
fl_delete_browser_line(dialog_->browser_cite, sel) ;
citekeys.erase(citekeys.begin() + sel-1);
setBibButtons(ON);
setCiteButtons(OFF);
activate = ButtonPolicy::SMI_VALID;
} else if (ob == dialog_->button_up) {
unsigned int const sel = fl_get_browser(dialog_->browser_cite);
if (sel < 2 || sel > citekeys.size())
return ButtonPolicy::SMI_NOOP;
// Move the selected key up one line
vector<string>::iterator it = citekeys.begin() + sel-1;
string const tmp = *it;
fl_delete_browser_line(dialog_->browser_cite, sel);
citekeys.erase(it);
fl_insert_browser_line(dialog_->browser_cite, sel-1, tmp.c_str());
fl_select_browser_line(dialog_->browser_cite, sel-1);
citekeys.insert(it-1, tmp);
setCiteButtons(ON);
activate = ButtonPolicy::SMI_VALID;
} else if (ob == dialog_->button_down) {
unsigned int const sel = fl_get_browser(dialog_->browser_cite);
if (sel < 1 || sel > citekeys.size()-1)
return ButtonPolicy::SMI_NOOP;
// Move the selected key down one line
vector<string>::iterator it = citekeys.begin() + sel-1;
string const tmp = *it;
fl_delete_browser_line(dialog_->browser_cite, sel);
citekeys.erase(it);
fl_insert_browser_line(dialog_->browser_cite, sel+1, tmp.c_str());
fl_select_browser_line(dialog_->browser_cite, sel+1);
citekeys.insert(it+1, tmp);
setCiteButtons(ON);
activate = ButtonPolicy::SMI_VALID;
} else if (ob == dialog_->button_previous ||
ob == dialog_->button_next) {
string const str = fl_get_input(dialog_->input_search);
biblio::Direction const dir =
(ob == dialog_->button_previous) ?
biblio::BACKWARD : biblio::FORWARD;
biblio::Search const type =
fl_get_button(dialog_->button_search_type) ?
biblio::REGEX : biblio::SIMPLE;
vector<string>::const_iterator start = bibkeys.begin();
int const sel = fl_get_browser(dialog_->browser_bib);
if (sel >= 1 && sel <= int(bibkeys.size()))
start += sel-1;
// Find the NEXT instance...
if (dir == biblio::FORWARD)
start += 1;
else
start -= 1;
bool const caseSensitive =
fl_get_button(dialog_->button_search_case);
vector<string>::const_iterator const cit =
biblio::searchKeys(theMap, bibkeys, str,
start, type, dir, caseSensitive);
if (cit == bibkeys.end())
return ButtonPolicy::SMI_NOOP;
int const found = int(cit - bibkeys.begin()) + 1;
if (found == sel)
return ButtonPolicy::SMI_NOOP;
// Update the display
int const top = max(found-5, 1);
fl_set_browser_topline(dialog_->browser_bib, top);
fl_select_browser_line(dialog_->browser_bib, found);
input(dialog_->browser_bib, 0);
} else if (ob == dialog_->choice_style ||
ob == dialog_->button_full_author_list ||
ob == dialog_->button_force_uppercase ||
ob == dialog_->input_before ||
ob == dialog_->input_after) {
activate = ButtonPolicy::SMI_VALID;
}
string currentCitekey;
if (!citekeys.empty())
currentCitekey = citekeys[0];
if (topCitekey != currentCitekey) {
int choice = fl_get_choice(dialog_->choice_style);
fillChoice(dialog_->choice_style,
controller().getCiteStrings(currentCitekey));
fl_set_choice(dialog_->choice_style, choice);
}
return activate;
}
void FormCitation::update()
{
// Make the list of all available bibliography keys
bibkeys = biblio::getKeys(controller().bibkeysInfo());
updateBrowser(dialog_->browser_bib, bibkeys);
// Ditto for the keys cited in this inset
citekeys = getVectorFromString(controller().params().getContents());
updateBrowser(dialog_->browser_cite, citekeys);
// Use the first citekey to fill choice_style
string key;
if (!citekeys.empty()) key = citekeys[0];
fillChoice(dialog_->choice_style, controller().getCiteStrings(key));
// Use the citation command to update the GUI
updateStyle(dialog_->choice_style,
dialog_->button_full_author_list,
dialog_->button_force_uppercase,
controller().params().getCmdName());
// No keys have been selected yet, so...
fl_clear_browser(dialog_->browser_info);
setBibButtons(OFF);
setCiteButtons(OFF);
// Natbib can have comments before and after the citation.
// This is not yet supported. After only.
fl_set_input(dialog_->input_after,
controller().params().getOptions().c_str());
fl_set_input(dialog_->input_before, _("Not yet supported"));
setEnabled(dialog_->input_before, false);
}
void FormCitation::updateBrowser(FL_OBJECT * browser,
vector<string> const & keys) const
{
fl_clear_browser(browser);
for (vector<string>::const_iterator it = keys.begin();
it < keys.end(); ++it) {
string key = frontStrip(strip(*it));
if (!key.empty())
fl_add_browser_line(browser, key.c_str());
}
}
void FormCitation::setBibButtons(State status) const
{
setEnabled(dialog_->button_add, (status == ON));
}
void FormCitation::setCiteButtons(State status) const
{
int const sel = fl_get_browser(dialog_->browser_cite);
int const maxline = fl_get_browser_maxline(dialog_->browser_cite);
bool const activate = (status == ON);
bool const activate_up = (activate && sel != 1);
bool const activate_down = (activate && sel != maxline);
setEnabled(dialog_->button_del, activate);
setEnabled(dialog_->button_up, activate_up);
setEnabled(dialog_->button_down, activate_down);
}