Evergreen/staff_client/chrome/content/evergreen/cat/marc_keys.js

   1 function handle_keyup(ev) {
   2         if (ev.target.tagName != 'textbox') { return; }
   3         //mw.sdump('D_CAT','keyCode:' + ev.keyCode + ' charCode:' + ev.charCode + ' shift:' + ev.shiftKey + ' ctrl:' + ev.ctrlKey + ' meta:' + ev.metaKey + '\n');
   4         resizeWrapper(ev.target);
   5 }
   6
   7 function handle_keypress(ev) {
   8         mw.sdump('D_CAT','keyCode:' + ev.keyCode + ' charCode:' + ev.charCode + ' shift:' + ev.shiftKey + ' ctrl:' + ev.ctrlKey + ' meta:' + ev.metaKey + '\n');
   9         if (ev.target.tagName != 'textbox') { return; }
  10         var rstatus = false;
  11         if (ev.charCode) {
  12                 switch(ev.charCode) {
  13                         case 100:
  14                                 if (ev.ctrlKey) { /* control+d */
  15                                         rstatus = handle_key_c_d(ev);
  16                                 }
  17                                 break;
  18                 }
  19         } else if (ev.keyCode) {
  20                 switch(ev.keyCode) {
  21                         case 13: /* enter */
  22                         case 77: /* mac enter */
  23                                 rstatus = handle_key_enter(ev);
  24                                 break;
  25                         case 46:
  26                                 if (ev.ctrlKey) { /* control+del */
  27                                         rstatus = handle_key_c_del(ev);
  28                                 }
  29                                 break;
  30                         case 9:
  31                                 if (ev.shiftKey) { /* shift+tab */
  32                                         rstatus = navigate_col_left(ev.target,true);
  33                                 } else { /* tab */
  34                                         rstatus = navigate_col_right(ev.target,true);
  35                                 }
  36                                 break;
  37                 }
  38         }
  39         resizeWrapper(ev.target);
  40         if (rstatus) {
  41                 ev.preventDefault();
  42         }
  43         return rstatus;
  44 }
  45
  46 function handle_key_c_d(ev) {
  47         if (ev.target.tagName != 'textbox') { return; }
  48         var t = ev.target;
  49         if ((ev.ctrlKey)&&(ev.charCode==100)&&(t.getAttribute('subfields')=='true')) {
  50                 var n_ev = document.createEvent("KeyEvents");
  51                 if (n_ev) { /* the best way... fake a keypress */
  52                         n_ev.initKeyEvent("keypress", 1, 1, null, 0, 0, 0, 0, 0, 8225);
  53                         t.inputField.dispatchEvent(n_ev);
  54                 } else { /* this destroys the widget's undo buffer */
  55                         var s_start = t.selectionStart; var s_end = t.selectionEnd;
  56                         var first_half = t.value.substr(0,s_start);
  57                         var second_half = t.value.substr(s_end);
  58                         t.value = first_half + String.fromCharCode(8225) + second_half;
  59                         t.setSelectionRange(s_start+1,s_start+1);
  60                 }
  61                 return true;
  62         } else {
  63                 return false;
  64         }
  65 }
  66
  67 function handle_key_c_del(ev) {
  68         // rows (rows) -> row (r) -> wrapper (w) -> textbox (t)
  69         if (ev.target.tagName != 'textbox') { return; }
  70         var t = ev.target;
  71         var r = t.parentNode.parentNode;
  72         if ((ev.ctrlKey)&&(ev.keyCode==46)) {
  73                 r.setAttribute('hidden','true');
  74                 handle_tag_change(ev);
  75                 if (! navigate_row_down(t,which_col_am_i(t),false) ) {
  76                         navigate_row_up(t,which_col_am_i(t),false);
  77                         mw.sdump('D_CAT',"let's go up\n");
  78                 }
  79                 return true;
  80         } else {
  81                 return false;
  82         }
  83 }
  84
  85 var new_row_id = -1;
  86 function handle_key_enter(ev) {
  87         // rows (rows) -> row (r) -> wrapper (w) -> textbox (t)
  88         if (ev.target.tagName != 'textbox') { return; }
  89         var t = ev.target;
  90         if ((ev.keyCode == 13) || (ev.keyCode == 77)) {
  91                 if (ev.ctrlKey) { // add new row
  92                         var new_r = build_data_row('data_' + new_row_id--);
  93                         new_r.setAttribute('notempty','true');
  94                         new_r.setAttribute('newnode','true');
  95                         var w = t.parentNode;
  96                         var r = w.parentNode;
  97                         var rows = r.parentNode;
  98                         var sibling_row;
  99                         if (ev.shiftKey) {
 100                                 sibling_row = r;
 101                         } else {
 102                                 sibling_row = r.nextSibling;
 103                         }
 104                         if (sibling_row) {
 105                                 rows.insertBefore(new_r,sibling_row);
 106                         } else {
 107                                 rows.appendChild(new_r);
 108                         }
 109                         var c = new_r.childNodes;
 110                         apply_event_listeners(c,'data');
 111                         c[1].firstChild.value = ' '; // indicator 1
 112                         c[2].firstChild.value = ' '; // indicator 2
 113                         c[0].firstChild.focus();
 114                         return true;
 115                 } else { // move to next row
 116                         navigate_row_down(t,which_col_am_i(t),true);
 117                         return true;
 118                 }
 119         } else {
 120                 return false;
 121         }
 122 }
 123
 124 function which_col_am_i(t) {
 125         var r = t.parentNode.parentNode;
 126         for (var i in r.childNodes) {
 127                 if (t == r.childNodes[i].firstChild) {
 128                         return i;
 129                 }
 130         }
 131 }
 132
 133 function nextSibling_not_hidden(e) {
 134         var s = e.nextSibling;
 135         while ((s)&&(s.getAttribute('hidden')=='true')) {
 136                 s = s.nextSibling;
 137         }
 138         return s;
 139 }
 140
 141 function previousSibling_not_hidden(e) {
 142         var s = e.previousSibling;
 143         while ((s)&&(s.getAttribute('hidden')=='true')) {
 144                 s = s.previousSibling;
 145         }
 146         return s;
 147 }
 148
 149 function navigate_row_down(t,c,wrap) {
 150         // rows -> row (r) -> wrapper -> textbox (t)
 151         var r = t.parentNode.parentNode;
 152         var sibling_row = nextSibling_not_hidden(r);
 153         if (sibling_row) {
 154                 sibling_row.childNodes[c].firstChild.focus();
 155                 if (c == 0) {
 156                         sibling_row.childNodes[c].firstChild.select();
 157                 }
 158         } else {
 159                 if (wrap) {
 160                         r.parentNode.firstChild.childNodes[c].firstChild.focus();
 161                 } else {
 162                         return false;
 163                 }
 164         }
 165         return true;
 166 }
 167
 168 function navigate_row_up(t,c,wrap) {
 169         // rows -> row (r) -> wrapper -> textbox (t)
 170         var r = t.parentNode.parentNode;
 171         var sibling_row = previousSibling_not_hidden(r);
 172         if (sibling_row) {
 173                 sibling_row.childNodes[c].firstChild.focus();
 174         } else {
 175                 if (wrap) {
 176                         r.parentNode.lastChild.childNodes[c].firstChild.focus();
 177                 } else {
 178                         return false;
 179                 }
 180         }
 181         return true;
 182 }
 183
 184 function navigate_col_left(t,wrap) {
 185         // rows -> row -> wrapper (w) -> textbox (t)
 186         var w = t.parentNode;
 187         var sibling_wrapper = w.previousSibling;
 188         if (sibling_wrapper) {
 189                 sibling_wrapper.firstChild.focus();
 190                 if (sibling_wrapper.parentNode.childNodes[3] != sibling_wrapper) {
 191                         sibling_wrapper.firstChild.select();
 192                 }
 193         } else {
 194                 if (wrap) {
 195                         return navigate_row_up(t,3,false);
 196                 } else {
 197                         return false;
 198                 }
 199         }
 200         return true;
 201 }
 202
 203 function navigate_col_right(t,wrap) {
 204         // rows -> row -> wrapper (w) -> textbox (t)
 205         var w = t.parentNode;
 206         var sibling_wrapper = w.nextSibling;
 207         if (sibling_wrapper) {
 208                 sibling_wrapper.firstChild.focus();
 209                 if (sibling_wrapper.parentNode.childNodes[3] != sibling_wrapper) {
 210                         sibling_wrapper.firstChild.select();
 211                 }
 212         } else {
 213                 if (wrap) {
 214                         return navigate_row_down(t,0);
 215                 } else {
 216                         return false;
 217                 }
 218         }
 219         return true;
 220 }
 221