Fixed print link hotkey selection.
[fa-stable.git] / js / inserts.js
1 /**********************************************************************
2     Copyright (C) FrontAccounting, LLC.
3         Released under the terms of the GNU General Public License, GPL, 
4         as published by the Free Software Foundation, either version 3 
5         of the License, or (at your option) any later version.
6     This program is distributed in the hope that it will be useful,
7     but WITHOUT ANY WARRANTY; without even the implied warranty of
8     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
9     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
10 ***********************************************************************/
11 var _focus;
12 var _hotkeys = {
13         'alt': false,   // whether is the Alt key pressed
14         'focus': -1     // currently selected indeks of document.links
15 };
16
17 function debug(msg) {
18     box = document.getElementById('msgbox')
19         box.innerHTML= box.innerHTML+'<br>'+msg
20 }
21
22 function progbar() {
23         box = document.getElementById('msgbox');
24     box.innerHTML= "<center><table width='98%' border='1' cellpadding=3 "
25         +"bordercolor='#007700' style='border-collapse: collapse'>"
26         +"<tr><td align='center' bgcolor='#ccffcc' >"
27                 +"<img src='"+user.theme+"images/progressbar.gif' alt='"
28                 +user.loadtxt+"' /></td></tr></table></center><br>";
29         box.style.display = 'block';
30 }
31
32 function save_focus(e) {
33   _focus = e.name||e.id;
34   var h = document.getElementById('hints');
35   if (h) {
36         h.style.display = e.title && e.title.length ? 'inline' : 'none';
37         h.innerHTML = e.title ? e.title : '';
38   }
39 }
40
41 function _expand(tabobj) {
42
43   var ul = tabobj.parentNode.parentNode;
44   var alltabs=ul.getElementsByTagName("input");
45   var frm = tabobj.form;
46
47   if (ul.getAttribute("rel")){
48         for (var i=0; i<alltabs.length; i++){
49           alltabs[i].className = "ajaxbutton"  //deselect all tabs
50         }
51         tabobj.className = "current";
52         JsHttpRequest.request(tabobj)
53   }
54 }
55
56 //interface for selecting a tab (plus expand corresponding content)
57 function expandtab(tabcontentid, tabnumber) {
58   var tabs = document.getElementById(tabcontentid);
59  _expand(tabs.getElementsByTagName("input")[tabnumber]);
60 }
61
62 function _set_combo_input(e) {
63                 e.setAttribute('_last', e.value);
64                 e.onblur=function() { 
65                   var but_name = this.name.substring(0, this.name.length-4)+'button';
66                   var button = document.getElementsByName(but_name)[0];
67                   var select = document.getElementsByName(this.getAttribute('rel'))[0];
68                   save_focus(select);
69 // submit request if there is submit_on_change option set and 
70 // search field has changed.
71                   if (button && (this.value != this.getAttribute('_last'))) {
72                         JsHttpRequest.request(button);
73                   } else if(this.className=='combo2') {
74                                 this.style.display = 'none';
75                                 select.style.display = 'inline';
76                                 setFocus(select.name);
77                   }
78                   return false;
79                 };
80                 e.onkeyup = function(ev) {
81                         var select = document.getElementsByName(this.getAttribute('rel'))[0];
82                         if(select && select.selectedIndex>=0) {
83                           var len = select.length;
84                           var byid = this.className=='combo';
85                           var ac = this.value.toUpperCase();
86                           select.options[select.selectedIndex].selected = false;
87                           for (i = 0; i < len; i++) {
88                                 var txt = byid ? select.options[i].value : select.options[i].text;
89                                 if (txt.toUpperCase().indexOf(ac) >= 0) {
90                                   select.options[i].selected = true;
91                                   break;
92                                 }
93                           }
94                         }
95                 };
96         e.onkeydown = function(ev) { 
97                         ev = ev||window.event;
98                         key = ev.keyCode||ev.which;
99                         if(key == 13) {
100                           this.blur();
101                           return false;
102                         }
103                 }
104 }
105
106 function _update_box(s) {
107         var byid = s.className=='combo';
108         var rel = s.getAttribute('rel');
109         var box = document.getElementsByName(rel)[0];
110                 if(box && s.selectedIndex>=0) {
111                           var opt = s.options[s.selectedIndex];
112                                 if(box) {
113                                   box.value = byid ? opt.value : opt.text;
114                                   box.setAttribute('_last', box.value);
115                                 }
116                 }
117 }
118
119 function _set_combo_select(e) {
120                 // When combo position is changed via js (eg from searchbox)
121                 // no onchange event is generated. To ensure proper change 
122                 // signaling we must track selectedIndex in onblur handler.
123                 e.setAttribute('_last', e.selectedIndex);
124                 e.onblur = function() {
125                         if(this.className=='combo')
126                             _update_box(this);
127                         if (this.selectedIndex != this.getAttribute('_last'))
128                                 this.onchange();
129                 }
130                 e.onchange = function() {
131                         var s = this;
132                         this.setAttribute('_last', this.selectedIndex);                 
133                         if(s.className=='combo')
134                             _update_box(s);
135                         if(s.selectedIndex>=0) {
136                                  var sname = '_'+s.name+'_update';
137                                  var update = document.getElementsByName(sname)[0];
138                                  if(update) {
139                                             JsHttpRequest.request(update);
140                                 } 
141                         }
142                         return true;
143                 }
144                 e.onkeydown = function(event) {
145                     event = event||window.event;
146                     key = event.keyCode||event.which;
147                     var box = document.getElementsByName(this.getAttribute('rel'))[0];
148                     if (box && key == 32 && this.className == 'combo2') {
149                             this.style.display = 'none';
150                             box.style.display = 'inline';
151                                 box.value='';
152                                 setFocus(box.name);
153                             return false;
154                          }
155                         if (this.getAttribute('aspect') == 'editable' && key==115) {
156                                 // F4: call related database editor - not available in non-js fallback mode
157                                 JsHttpRequest.request('_'+this.name+'_editor', this.form);
158                                 return false; // prevent default binding
159                                 // TODO: stopPropagation when needed
160                         }
161                 }
162 }               
163
164 /*
165  Behaviour definitions
166 */
167 var inserts = {
168         'form': function(e) {
169                 e.onkeydown = function(ev) { 
170                         ev = ev||window.event;
171                         key = ev.keyCode||ev.which;
172                         if((ev.ctrlKey && key == 13) || key == 27) {
173                                 _hotkeys.alt = false;
174                                 ev.cancelBubble = true;
175                         if(ev.stopPropagation) ev.stopPropagation();
176 // here ctrl-enter/escape support
177                                 ev.returnValue = false;
178                                 return false;
179                         } 
180                         return true;
181                 }
182         },
183         'input': function(e) {
184                 if(e.onfocus==undefined) {
185                         e.onfocus = function() {
186                             save_focus(this);
187                                 if (this.className == 'combo') 
188                                         this.select();
189                         };
190                 }
191                 if (e.className == 'combo' || e.className == 'combo2') {
192                                 _set_combo_input(e);
193                 } 
194                 else
195                 if(e.type == 'text' ) {
196                                 e.onkeydown = function(ev) { 
197                                         ev = ev||window.event;
198                                         key = ev.keyCode||ev.which;
199                                         if(key == 13) {
200                                                 if(e.className == 'searchbox') e.onblur();
201                                                 return false;
202                                         } 
203                                         return true;
204                                 }
205                         }
206         },
207         'input.combo2,input[aspect="fallback"]': 
208         function(e) {
209             // this hides search button for js enabled browsers
210             e.style.display = 'none';
211         },
212         'div.js_only': 
213         function(e) {
214             // this shows divs for js enabled browsers only
215             e.style.display = 'block';
216         },
217 //      '.ajaxsubmit,.editbutton,.navibutton': // much slower on IE7
218         'button.ajaxsubmit,input.ajaxsubmit,input.editbutton,button.navibutton': 
219         function(e) {
220             e.onclick = function() {
221                         if (this.getAttribute('aspect') == 'process')
222                                 progbar();
223                     save_focus(this);
224                         JsHttpRequest.request(this);
225                         return false;
226             }
227         },
228     '.amount': function(e) {
229                 if(e.onblur==undefined) {
230                   e.onblur = function() {
231                         var dec = this.getAttribute("dec");
232                         price_format(this.name, get_amount(this.name), dec);
233                   };
234                 }
235         },
236         '.searchbox': // emulated onchange event handling for text inputs
237                 function(e) {
238                         e.setAttribute('_last_val', e.value);
239                         e.setAttribute('autocomplete', 'off'); //must be off when calling onblur
240                         e.onblur = function() {
241                                 var val = this.getAttribute('_last_val');
242                                 if (val != this.value) {
243                                         this.setAttribute('_last_val', this.value);
244                                         JsHttpRequest.request('_'+this.name+'_changed', this.form);
245                                 }
246                         }
247 /*              e.onkeydown = function(ev) { 
248                                 ev = ev||window.event;
249                                 key = ev.keyCode||ev.which;
250                                 if (key == 13 && (this.value != this.getAttribute('_last_val'))) {
251                                         this.blur();
252                                         return false;
253                                 }
254                         }
255 */              },
256         'select': function(e) {
257                 if(e.onfocus==undefined) {
258                         e.onfocus = function() {
259                             save_focus(this);
260                         };
261                   var c = e.className;
262                   if (c == 'combo' || c == 'combo2')
263                         _set_combo_select(e);
264                 }
265         },
266         'textarea,a': function(e) {
267                 if(e.onfocus==undefined) {
268                         e.onfocus = function() {
269                             save_focus(this);
270                         };
271                 }
272         },
273         'a.printlink':  function(l) {
274                 l.onclick = function() {
275                     save_focus(this);
276                         JsHttpRequest.request(this);
277                         return false;
278                 }
279         },
280         'ul.ajaxtabs':  function(ul) {
281             var ulist=ul.getElementsByTagName("li");
282             for (var x=0; x<ulist.length; x++){ //loop through each LI e
283                 var ulistlink=ulist[x].getElementsByTagName("input")[0];
284                 if(ulistlink.onclick==undefined) {
285 // ?  var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
286                     var url = ulistlink.form.action
287                     ulistlink.onclick=function(){
288                         _expand(this);
289                         return false;
290                     }
291                 }
292             }
293         },
294         '#msgbox': function(e) {
295         // this is to avoid changing div height after ajax update in IE7
296           e.style.display = e.innerHTML.length ? 'block' : 'none';
297         }
298 /* TODO
299         'a.date_picker':  function(e) {
300             // this un-hides data picker for js enabled browsers
301             e.href = date_picker(this.getAttribute('rel'));
302             e.style.display = '';
303             e.tabindex = -1; // skip in tabbing order
304         }
305 */
306 };
307 function stopEv(ev) {
308                         ev.returnValue = false;
309                         ev.cancelBubble = true;
310                         if(ev.preventDefault) ev.preventDefault();
311                         return false;
312 }
313 /*
314         Modified accesskey system. While Alt key is pressed letter keys moves 
315         focus to next marked link. Alt key release activates focused link.
316 */
317 function setHotKeys() {
318         document.onkeydown = function(ev) {
319                 ev = ev||window.event;
320                 key = ev.keyCode||ev.which;
321
322                 if (key == 27 && ev.altKey) { // cancel selection
323                         _hotkeys.alt = false;
324                         _hotkeys.focus = -1;
325                         return stopEv(ev);
326                 } 
327                 else 
328                 if (ev.altKey && !ev.ctrlKey && ((key>47 && key<58) || (key>64 && key<91))) {
329                         _hotkeys.alt = true;
330                         var n = _hotkeys.focus;
331                         var l = document.links;
332                         var cnt = l.length;
333                         key = String.fromCharCode(key);
334                         for (var i=0; i<cnt; i++) { 
335                                 n = (n+1)%cnt;
336                                 // check also if the link is visible
337                                 if (l[n].accessKey==key && l[n].scrollWidth) {
338                                         _hotkeys.focus = n;
339             // The timeout is needed to prevent unpredictable behaviour on IE.
340                                         var tmp = function() {document.links[_hotkeys.focus].focus();};
341                                         setTimeout(tmp, 0);
342                                         break;
343                                 }
344                         }
345                         return stopEv(ev);
346                 }
347                 return true;
348         };
349         document.onkeyup = function(ev) {
350                 if (_hotkeys.alt==true) {
351                         ev = ev||window.event;
352                         key = ev.keyCode||ev.which;
353
354                         if (key == 18) {
355                                 _hotkeys.alt = false;
356                                 if (_hotkeys.focus>=0) {
357                                         var link = document.links[_hotkeys.focus];
358                                         if(link.onclick) 
359                                                 link.onclick();
360                                         else
361                                                 if (link.target=='_blank') {
362                                                         window.open(link.href,'','toolbar=no,scrollbar=no,resizable=yes,menubar=no,width=900,height=500');
363                                                         openWindow(link.href,'_blank');
364                                                 } else
365                                                         window.location = link.href;
366                                 }
367                         return stopEv(ev);
368                         } 
369                 }
370                 return true;
371         }
372 }
373
374 Behaviour.register(inserts);
375
376 Behaviour.addLoadEvent(setFocus);
377 Behaviour.addLoadEvent(setHotKeys);