src/frontends/xforms/FormRef.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 2000-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  *
  10  * \file FormRef.C
  11  * \author Angus Leeming, a.leeming@ic.ac.uk
  12  */
  13
  14 #include <config.h>
  15 #include <algorithm>
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21 #include "xformsBC.h"
  22 #include "ControlRef.h"
  23 #include "FormRef.h"
  24 #include "form_ref.h"
  25 #include "xforms_helpers.h"
  26 #include "insets/insetref.h"
  27
  28 using std::find;
  29 using std::max;
  30 using std::sort;
  31 using std::vector;
  32
  33 typedef FormCB<ControlRef, FormDB<FD_form_ref> > base_class;
  34
  35 FormRef::FormRef(ControlRef & c)
  36         : base_class(c, _("Reference")),
  37           at_ref_(false)
  38 {}
  39
  40
  41 void FormRef::build()
  42 {
  43         dialog_.reset(build_ref());
  44
  45         for (int i = 0; !InsetRef::types[i].latex_name.empty(); ++i)
  46                 fl_addto_choice(dialog_->type,
  47                                 _(InsetRef::types[i].gui_name.c_str()));
  48
  49         // Force the user to use the browser to change refs.
  50         fl_deactivate_object(dialog_->ref);
  51
  52         // Manage the ok and cancel/close buttons
  53         bc().setOK(dialog_->button_ok);
  54         bc().setApply(dialog_->button_apply);
  55         bc().setCancel(dialog_->button_cancel);
  56         bc().setRestore(dialog_->button_restore);
  57
  58         bc().addReadOnly(dialog_->button_update);
  59         bc().addReadOnly(dialog_->name);
  60         bc().addReadOnly(dialog_->ref);
  61 }
  62
  63
  64 void FormRef::update()
  65 {
  66         fl_set_input(dialog_->ref,
  67                      controller().params().getContents().c_str());
  68         fl_set_input(dialog_->name,
  69                      controller().params().getOptions().c_str());
  70         fl_set_choice(dialog_->type,
  71                       InsetRef::getType(controller().params().getCmdName()) + 1);
  72
  73         at_ref_ = false;
  74         fl_set_object_label(dialog_->button_go, _("Go to reference"));
  75
  76         // Name is irrelevant to LaTeX/Literate documents
  77         if (controller().docType() == ControlRef::LATEX ||
  78             controller().docType() == ControlRef::LITERATE) {
  79                 setEnabled(dialog_->name, false);
  80         } else {
  81                 setEnabled(dialog_->name, true);
  82         }
  83
  84         // type is irrelevant to LinuxDoc/DocBook.
  85         if (controller().docType() == ControlRef::LINUXDOC ||
  86             controller().docType() == ControlRef::DOCBOOK) {
  87                 fl_set_choice(dialog_->type, 1);
  88                 setEnabled(dialog_->type, false);
  89         } else {
  90                 setEnabled(dialog_->type, true);
  91         }
  92
  93         refs_ = controller().getLabelList();
  94         updateBrowser(refs_);
  95 }
  96
  97
  98 void FormRef::updateBrowser(vector<string> const & akeys) const
  99 {
 100         vector<string> keys(akeys);
 101         if (fl_get_button(dialog_->sort))
 102                 sort(keys.begin(), keys.end());
 103
 104         fl_clear_browser(dialog_->browser);
 105         for (vector<string>::const_iterator it = keys.begin();
 106              it != keys.end(); ++it)
 107                 fl_add_browser_line(dialog_->browser, it->c_str());
 108
 109         if (keys.empty()) {
 110                 fl_add_browser_line(dialog_->browser,
 111                                     _("*** No labels found in document ***"));
 112
 113                 setEnabled(dialog_->browser, false);
 114                 setEnabled(dialog_->sort,    false);
 115
 116                 fl_set_input(dialog_->ref, "");
 117         } else {
 118                 setEnabled(dialog_->browser, true);
 119                 setEnabled(dialog_->sort,    true);
 120
 121                 string ref = fl_get_input(dialog_->ref);
 122                 vector<string>::const_iterator cit =
 123                         find(keys.begin(), keys.end(), ref);
 124                 if (cit == keys.end()) {
 125                         cit = keys.begin();
 126                         fl_set_input(dialog_->ref, cit->c_str());
 127                 } else if (ref.empty())
 128                         fl_set_input(dialog_->ref, cit->c_str());
 129
 130                 int const i = static_cast<int>(cit - keys.begin());
 131                 fl_set_browser_topline(dialog_->browser, max(i-5, 1));
 132                 fl_select_browser_line(dialog_->browser, i+1);
 133         }
 134 }
 135
 136
 137 void FormRef::apply()
 138 {
 139         int const type = fl_get_choice(dialog_->type) - 1;
 140         controller().params().setCmdName(InsetRef::getName(type));
 141
 142         controller().params().setOptions(fl_get_input(dialog_->name));
 143         controller().params().setContents(fl_get_input(dialog_->ref));
 144 }
 145
 146
 147 ButtonPolicy::SMInput FormRef::input(FL_OBJECT * ob, long)
 148 {
 149         ButtonPolicy::SMInput activate(ButtonPolicy::SMI_VALID);
 150
 151         if (ob == dialog_->button_go) {
 152                 // goto reference / go back
 153
 154                 // No change to data
 155                 activate = ButtonPolicy::SMI_NOOP;
 156
 157                 at_ref_ = !at_ref_;
 158                 if (at_ref_) {
 159                         controller().gotoRef(fl_get_input(dialog_->ref));
 160                         fl_set_object_label(dialog_->button_go, _("Go back"));
 161                 } else {
 162                         controller().gotoBookmark();
 163                         fl_set_object_label(dialog_->button_go,
 164                                             _("Go to reference"));
 165                 }
 166
 167         } else if (ob == dialog_->browser) {
 168
 169                 unsigned int sel = fl_get_browser(dialog_->browser);
 170                 if (sel < 1 || sel > refs_.size())
 171                         return ButtonPolicy::SMI_NOOP;
 172
 173                 if (!controller().isReadonly()) {
 174                         string s = fl_get_browser_line(dialog_->browser, sel);
 175                         fl_set_input(dialog_->ref, s.c_str());
 176                 }
 177
 178                 if (at_ref_)
 179                         controller().gotoBookmark();
 180                 at_ref_ = false;
 181                 fl_set_object_label(dialog_->button_go, _("Go to reference"));
 182
 183                 setEnabled(dialog_->type,      true);
 184                 setEnabled(dialog_->button_go, true);
 185                 fl_set_object_lcol(dialog_->ref, FL_BLACK);
 186
 187         } else if (ob == dialog_->button_update ||
 188                    ob == dialog_->sort) {
 189
 190                 if (ob == dialog_->button_update)
 191                         refs_ = controller().getLabelList();
 192
 193                 fl_freeze_form(form());
 194                 updateBrowser(refs_);
 195                 fl_unfreeze_form(form());
 196
 197         } else if (ob == dialog_->type) {
 198
 199                 int const type = fl_get_choice(dialog_->type) - 1;
 200                 if (controller().params().getCmdName() ==
 201                     InsetRef::getName(type)) {
 202                         activate = ButtonPolicy::SMI_NOOP;
 203                 }
 204         }
 205
 206         return activate;
 207 }