src/frontends/xforms/FormRef.C

   1 /**
   2  * \file FormRef.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "FormRef.h"
  14 #include "ControlRef.h"
  15 #include "forms/form_ref.h"
  16
  17 #include "Tooltips.h"
  18 #include "xforms_helpers.h"
  19 #include "xformsBC.h"
  20
  21 #include "insets/insetref.h"
  22
  23 #include "support/lstrings.h" // trim
  24
  25 #include "lyx_forms.h"
  26
  27 using namespace lyx::support;
  28
  29 using std::find;
  30 using std::max;
  31 using std::sort;
  32 using std::vector;
  33
  34
  35 typedef FormController<ControlRef, FormView<FD_ref> > base_class;
  36
  37 FormRef::FormRef(Dialog & parent)
  38         : base_class(parent, _("Cross-reference")),
  39           at_ref_(false)
  40 {}
  41
  42
  43 void FormRef::build()
  44 {
  45         dialog_.reset(build_ref(this));
  46
  47         for (int i = 0; !InsetRef::types[i].latex_name.empty(); ++i)
  48                 fl_addto_choice(dialog_->choice_format,
  49                                 _(InsetRef::types[i].gui_name).c_str());
  50
  51         // Force the user to use the browser to change refs.
  52         fl_deactivate_object(dialog_->input_ref);
  53
  54         fl_set_input_return(dialog_->input_name, FL_RETURN_CHANGED);
  55         fl_set_input_return(dialog_->input_ref,  FL_RETURN_CHANGED);
  56
  57         setPrehandler(dialog_->input_name);
  58         setPrehandler(dialog_->input_ref);
  59
  60         // Manage the ok and cancel/close buttons
  61         bcview().setOK(dialog_->button_ok);
  62         bcview().setApply(dialog_->button_apply);
  63         bcview().setCancel(dialog_->button_close);
  64         bcview().setRestore(dialog_->button_restore);
  65
  66         bcview().addReadOnly(dialog_->button_update);
  67         bcview().addReadOnly(dialog_->input_name);
  68         bcview().addReadOnly(dialog_->input_ref);
  69
  70         // set up the tooltips
  71         string str = _("Select a document for references.");
  72         tooltips().init(dialog_->choice_document, str);
  73         str = _("Sort the references alphabetically.");
  74         tooltips().init(dialog_->check_sort, str);
  75         str = _("Go to selected reference.");
  76         tooltips().init(dialog_->button_go, str);
  77         str = _("Update the list of references.");
  78         tooltips().init(dialog_->button_update, str);
  79         str = _("Select format style of the reference.");
  80         tooltips().init(dialog_->choice_format, str);
  81 }
  82
  83
  84 void FormRef::update()
  85 {
  86         fl_set_input(dialog_->input_ref,
  87                      controller().params().getContents().c_str());
  88         fl_set_input(dialog_->input_name,
  89                      controller().params().getOptions().c_str());
  90         fl_set_choice(dialog_->choice_format,
  91                       InsetRef::getType(controller().params().getCmdName()) + 1);
  92
  93         at_ref_ = false;
  94         switch_go_button();
  95
  96         // Name is irrelevant to LaTeX/Literate documents
  97         Kernel::DocTypes doctype = kernel().docType();
  98         if (doctype == Kernel::LATEX || doctype == Kernel::LITERATE) {
  99                 setEnabled(dialog_->input_name, false);
 100         } else {
 101                 setEnabled(dialog_->input_name, true);
 102         }
 103
 104         // type is irrelevant to LinuxDoc/DocBook.
 105         if (doctype == Kernel::LINUXDOC || doctype == Kernel::DOCBOOK) {
 106                 fl_set_choice(dialog_->choice_format, 1);
 107                 setEnabled(dialog_->choice_format, false);
 108         } else {
 109                 setEnabled(dialog_->choice_format, true);
 110         }
 111
 112         // Get the available buffers
 113         vector<string> const buffers = controller().getBufferList();
 114         vector<string> const choice_documents =
 115                 getVector(dialog_->choice_document);
 116
 117         // If different from the current contents of the choice, then update it
 118         if (buffers != choice_documents) {
 119                 // create a string of entries " entry1 | entry2 | entry3 "
 120                 // with which to initialise the xforms choice object.
 121                 string const choice =
 122                         ' ' + getStringFromVector(buffers, " | ") + ' ';
 123
 124                 fl_clear_choice(dialog_->choice_document);
 125                 fl_addto_choice(dialog_->choice_document, choice.c_str());
 126         }
 127
 128         fl_set_choice(dialog_->choice_document,
 129                       controller().getBufferNum() + 1);
 130
 131         string const name = controller().
 132                 getBufferName(fl_get_choice(dialog_->choice_document) - 1);
 133         refs_ = controller().getLabelList(name);
 134
 135         updateBrowser(refs_);
 136 }
 137
 138
 139 namespace {
 140
 141 void updateHighlight(FL_OBJECT * browser,
 142                      vector<string> const & keys,
 143                      string const & ref)
 144 {
 145         vector<string>::const_iterator cit = (ref.empty())
 146                 ? keys.end()
 147                 : find(keys.begin(), keys.end(), ref);
 148
 149         if (cit == keys.end()) {
 150                 fl_deselect_browser(browser);
 151         } else {
 152                 int const i = static_cast<int>(cit - keys.begin());
 153                 fl_set_browser_topline(browser, max(i-5, 1));
 154                 fl_select_browser_line(browser, i+1);
 155         }
 156 }
 157
 158 } // namespace anon
 159
 160
 161 void FormRef::updateBrowser(vector<string> const & akeys) const
 162 {
 163         vector<string> keys(akeys);
 164         if (fl_get_button(dialog_->check_sort))
 165                 sort(keys.begin(), keys.end());
 166
 167         vector<string> browser_keys = getVector(dialog_->browser_refs);
 168
 169         if (browser_keys == keys) {
 170                 updateHighlight(dialog_->browser_refs, keys,
 171                                 getString(dialog_->input_ref));
 172                 return;
 173         }
 174
 175         fl_clear_browser(dialog_->browser_refs);
 176         for (vector<string>::const_iterator it = keys.begin();
 177              it != keys.end(); ++it)
 178                 fl_add_browser_line(dialog_->browser_refs, it->c_str());
 179
 180         if (keys.empty()) {
 181                 fl_add_browser_line(dialog_->browser_refs,
 182                                     _("*** No labels found in document ***").c_str());
 183
 184                 setEnabled(dialog_->browser_refs, false);
 185                 setEnabled(dialog_->check_sort,   false);
 186
 187                 fl_set_input(dialog_->input_ref, "");
 188         } else {
 189                 setEnabled(dialog_->browser_refs, true);
 190                 setEnabled(dialog_->check_sort,   true);
 191
 192                 updateHighlight(dialog_->browser_refs, keys,
 193                                 getString(dialog_->input_ref));
 194         }
 195 }
 196
 197
 198 void FormRef::apply()
 199 {
 200         int const type = fl_get_choice(dialog_->choice_format) - 1;
 201         controller().params().setCmdName(InsetRef::getName(type));
 202
 203         controller().params().setOptions(getString(dialog_->input_name));
 204         controller().params().setContents(getString(dialog_->input_ref));
 205 }
 206
 207
 208 ButtonPolicy::SMInput FormRef::input(FL_OBJECT * ob, long)
 209 {
 210         ButtonPolicy::SMInput activate(ButtonPolicy::SMI_VALID);
 211
 212         if (ob == dialog_->button_go) {
 213                 // goto reference / go back
 214
 215                 // No change to data
 216                 activate = ButtonPolicy::SMI_NOOP;
 217
 218                 at_ref_ = !at_ref_;
 219                 if (at_ref_) {
 220                         controller().gotoRef(getString(dialog_->input_ref));
 221                 } else {
 222                         controller().gotoBookmark();
 223                 }
 224                 switch_go_button();
 225
 226         } else if (ob == dialog_->browser_refs) {
 227
 228                 unsigned int sel = fl_get_browser(dialog_->browser_refs);
 229                 if (sel < 1 || sel > refs_.size())
 230                         return ButtonPolicy::SMI_NOOP;
 231
 232                 if (!kernel().isBufferReadonly()) {
 233                         string s = fl_get_browser_line(dialog_->browser_refs, sel);
 234                         fl_set_input(dialog_->input_ref, s.c_str());
 235                 }
 236
 237                 if (at_ref_)
 238                         controller().gotoBookmark();
 239                 at_ref_ = false;
 240                 switch_go_button();
 241
 242                 setEnabled(dialog_->choice_format, true);
 243                 setEnabled(dialog_->button_go, true);
 244                 fl_set_object_lcol(dialog_->input_ref, FL_BLACK);
 245
 246         } else if (ob == dialog_->button_update ||
 247                    ob == dialog_->check_sort ||
 248                    ob == dialog_->choice_document) {
 249
 250                 // No change to data
 251                 activate = ButtonPolicy::SMI_NOOP;
 252
 253                 if (ob == dialog_->button_update ||
 254                     ob == dialog_->choice_document) {
 255                         string const name =
 256                                 controller().getBufferName(fl_get_choice(dialog_->choice_document) - 1);
 257                         refs_ = controller().getLabelList(name);
 258                 }
 259
 260                 fl_freeze_form(form());
 261                 updateBrowser(refs_);
 262                 fl_unfreeze_form(form());
 263
 264         } else if (ob == dialog_->choice_format) {
 265
 266                 int const type = fl_get_choice(dialog_->choice_format) - 1;
 267                 if (controller().params().getCmdName() ==
 268                     InsetRef::getName(type)) {
 269                         activate = ButtonPolicy::SMI_NOOP;
 270                 }
 271         }
 272
 273         return activate;
 274 }
 275
 276
 277 void FormRef::switch_go_button()
 278 {
 279         if (at_ref_) {
 280                 fl_set_object_label(dialog_->button_go, _("Go back").c_str());
 281                 tooltips().init(dialog_->button_go, _("Go back to original place.").c_str());
 282         } else {
 283                 fl_set_object_label(dialog_->button_go, _("Go to").c_str());
 284                 tooltips().init(dialog_->button_go, _("Go to selected reference.").c_str());
 285         }
 286         fl_set_button_shortcut(dialog_->button_go, "#G", 1);
 287         fl_show_object(dialog_->button_go);
 288 }