src/frontends/xforms/FormRef.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <algorithm>
  15 #include FORMS_H_LOCATION
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include "Dialogs.h"
  22 #include "FormRef.h"
  23 #include "LyXView.h"
  24 #include "buffer.h"
  25 #include "form_ref.h"
  26 #include "lyxfunc.h"
  27 #include "insets/insetref.h"
  28 #include "xforms_helpers.h"
  29
  30 using std::find;
  31 using std::max;
  32 using std::sort;
  33 using std::vector;
  34 using SigC::slot;
  35
  36 bool saved_position;
  37
  38 FormRef::FormRef(LyXView * lv, Dialogs * d)
  39         : FormCommand(lv, d, _("Reference")),
  40           at_ref(false)
  41 {
  42         // let the dialog be shown
  43         // These are permanent connections so we won't bother
  44         // storing a copy because we won't be disconnecting.
  45         d->showRef.connect(slot(this, &FormRef::showInset));
  46         d->createRef.connect(slot(this, &FormRef::createInset));
  47 }
  48
  49
  50 FL_FORM * FormRef::form() const
  51 {
  52         if (dialog_.get())
  53                 return dialog_->form;
  54         return 0;
  55 }
  56
  57
  58 void FormRef::disconnect()
  59 {
  60         refs.clear();
  61         FormCommand::disconnect();
  62 }
  63
  64
  65 void FormRef::build()
  66 {
  67         dialog_.reset(build_ref());
  68
  69         for (int i = 0; !InsetRef::types[i].latex_name.empty(); ++i)
  70                 fl_addto_choice(dialog_->type,
  71                                 _(InsetRef::types[i].gui_name.c_str()));
  72
  73         // Force the user to use the browser to change refs.
  74         fl_deactivate_object(dialog_->ref);
  75
  76         // Manage the ok and cancel/close buttons
  77         bc().setOK(dialog_->button_ok);
  78         bc().setApply(dialog_->button_apply);
  79         bc().setCancel(dialog_->button_cancel);
  80         bc().setUndoAll(dialog_->button_restore);
  81         bc().refresh();
  82
  83 #warning I had to uncomment this so the buttons could be disabled in update() (dekel)
  84         //bc().addReadOnly(dialog_->type);
  85         //bc().addReadOnly(dialog_->name);
  86 }
  87
  88
  89 void FormRef::update()
  90 {
  91         if (inset_) {
  92                 fl_set_input(dialog_->ref,  params.getContents().c_str());
  93                 fl_set_input(dialog_->name, params.getOptions().c_str());
  94                 fl_set_choice(dialog_->type,
  95                               InsetRef::getType(params.getCmdName()) + 1);
  96         }
  97
  98         at_ref = false;
  99         fl_set_object_label(dialog_->button_go, _("Goto reference"));
 100
 101         // Name is irrelevant to LaTeX/Literate documents, while
 102         // type is irrelevant to LinuxDoc/DocBook.
 103         if (lv_->buffer()->isLatex() || lv_->buffer()->isLatex()) {
 104                 setEnabled(dialog_->name, false);
 105                 setEnabled(dialog_->type, true);
 106         } else {
 107                 fl_set_choice(dialog_->type, 1);
 108
 109                 setEnabled(dialog_->name, true);
 110                 setEnabled(dialog_->type, false);
 111         }
 112
 113         refs = lv_->buffer()->getLabelList();
 114         updateBrowser(refs);
 115
 116         bc().readOnly(lv_->buffer()->isReadonly());
 117 }
 118
 119
 120 void FormRef::updateBrowser(vector<string> const & akeys) const
 121 {
 122         vector<string> keys(akeys);
 123         if (fl_get_button(dialog_->sort))
 124                 sort(keys.begin(), keys.end());
 125
 126         fl_clear_browser(dialog_->browser);
 127         for (vector<string>::const_iterator it = keys.begin();
 128              it != keys.end(); ++it)
 129                 fl_add_browser_line(dialog_->browser, (*it).c_str());
 130
 131         if (keys.empty()) {
 132                 fl_add_browser_line(dialog_->browser,
 133                                     _("*** No labels found in document ***"));
 134
 135                 setEnabled(dialog_->browser, false);
 136                 setEnabled(dialog_->sort,    false);
 137
 138                 fl_set_input(dialog_->ref, "");
 139         } else {
 140                 setEnabled(dialog_->browser, true);
 141                 setEnabled(dialog_->sort,    true);
 142
 143                 string ref = fl_get_input(dialog_->ref);
 144                 vector<string>::const_iterator cit =
 145                         find(keys.begin(), keys.end(), ref);
 146                 if (cit == keys.end()) {
 147                         cit = keys.begin();
 148                         fl_set_input(dialog_->ref, (*cit).c_str());
 149                 } else if (ref.empty())
 150                         fl_set_input(dialog_->ref, (*cit).c_str());
 151
 152                 int const i = static_cast<int>(cit - keys.begin());
 153                 fl_set_browser_topline(dialog_->browser, max(i-5, 1));
 154                 fl_select_browser_line(dialog_->browser, i+1);
 155         }
 156 }
 157
 158
 159 void FormRef::apply()
 160 {
 161         if (!lv_->view()->available())
 162                 return;
 163
 164         int const type = fl_get_choice(dialog_->type) - 1;
 165         params.setCmdName(InsetRef::getName(type));
 166
 167         params.setOptions(fl_get_input(dialog_->name));
 168         params.setContents(fl_get_input(dialog_->ref));
 169
 170         if (inset_ != 0) {
 171                 // Only update if contents have changed
 172                 if (params != inset_->params()) {
 173                         inset_->setParams(params);
 174                         lv_->view()->updateInset(inset_, true);
 175                 }
 176         } else {
 177                 lv_->getLyXFunc()->Dispatch(LFUN_REF_INSERT,
 178                                             params.getAsString());
 179         }
 180 }
 181
 182
 183 bool FormRef::input(FL_OBJECT *, long data)
 184 {
 185         bool activate(true);
 186         switch (data) {
 187         // goto reference / go back
 188         case 1:
 189         {
 190                 // No change to data
 191                 activate = false;
 192
 193                 at_ref = !at_ref;
 194                 if (at_ref) {
 195                         lv_->getLyXFunc()->Dispatch(LFUN_BOOKMARK_SAVE, "0");
 196                         lv_->getLyXFunc()->
 197                                 Dispatch(LFUN_REF_GOTO,
 198                                          fl_get_input(dialog_->ref));
 199                         fl_set_object_label(dialog_->button_go, _("Go back"));
 200                 } else {
 201                         lv_->getLyXFunc()->Dispatch(LFUN_BOOKMARK_GOTO, "0");
 202                         fl_set_object_label(dialog_->button_go,
 203                                             _("Goto reference"));
 204                 }
 205         }
 206         break;
 207
 208         // choose browser key
 209         case 2:
 210         {
 211                 unsigned int sel = fl_get_browser(dialog_->browser);
 212                 if (sel < 1 || sel > refs.size()) break;
 213
 214                 if (!lv_->buffer()->isReadonly()) {
 215                         string s = fl_get_browser_line(dialog_->browser, sel);
 216                         fl_set_input(dialog_->ref, s.c_str());
 217                 }
 218
 219                 if (at_ref)
 220                         lv_->getLyXFunc()->Dispatch(LFUN_BOOKMARK_GOTO, "0");
 221                 at_ref = false;
 222                 fl_set_object_label(dialog_->button_go, _("Goto reference"));
 223
 224                 setEnabled(dialog_->type,      true);
 225                 setEnabled(dialog_->button_go, true);
 226                 fl_set_object_lcol(dialog_->ref, FL_BLACK);
 227         }
 228         break;
 229
 230         // update or sort
 231         case 3:
 232                 refs = lv_->buffer()->getLabelList();
 233
 234                 // fall through to...
 235         case 4:
 236                 fl_freeze_form(form());
 237                 updateBrowser(refs);
 238                 fl_unfreeze_form(form());
 239                 break;
 240
 241         // changed reference type
 242         case 5:
 243         {
 244                 int const type = fl_get_choice(dialog_->type) - 1;
 245                 if (params.getCmdName() == InsetRef::getName(type) && inset_) {
 246                         activate = false;
 247                 }
 248         }
 249         break;
 250
 251         default:
 252                 break;
 253         }
 254
 255         return activate;
 256 }
 257
 258