Fixed IE related hot keys problemwith AltTab.
[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 save_focus(e) {
18   _focus = e.name||e.id;
19   var h = document.getElementById('hints');
20   if (h) {
21         h.style.display = e.title && e.title.length ? 'inline' : 'none';
22         h.innerHTML = e.title ? e.title : '';
23   }
24 }
25
26 function _expand(tabobj) {
27
28   var ul = tabobj.parentNode.parentNode;
29   var alltabs=ul.getElementsByTagName("input");
30   var frm = tabobj.form;
31
32   if (ul.getAttribute("rel")){
33         for (var i=0; i<alltabs.length; i++){
34           alltabs[i].className = "ajaxbutton"  //deselect all tabs
35         }
36         tabobj.className = "current";
37         JsHttpRequest.request(tabobj)
38   }
39 }
40
41 //interface for selecting a tab (plus expand corresponding content)
42 function expandtab(tabcontentid, tabnumber) {
43   var tabs = document.getElementById(tabcontentid);
44  _expand(tabs.getElementsByTagName("input")[tabnumber]);
45 }
46
47 function _set_combo_input(e) {
48                 e.setAttribute('_last', e.value);
49                 e.onblur=function() { 
50                   var but_name = this.name.substring(0, this.name.length-4)+'button';
51                   var button = document.getElementsByName(but_name)[0];
52                   var select = document.getElementsByName(this.getAttribute('rel'))[0];
53                   save_focus(select);
54 // submit request if there is submit_on_change option set and 
55 // search field has changed.
56                   if (button && (this.value != this.getAttribute('_last'))) {
57                         JsHttpRequest.request(button);
58                   } else if(this.className=='combo2') {
59                                 this.style.display = 'none';
60                                 select.style.display = 'inline';
61                                 setFocus(select);
62                   }
63                   return false;
64                 };
65                 e.onkeyup = function(ev) {
66                         var select = document.getElementsByName(this.getAttribute('rel'))[0];
67                         if(select && select.selectedIndex>=0) {
68                           var len = select.length;
69                           var byid = this.className=='combo';
70                           var ac = this.value.toUpperCase();
71                           select.options[select.selectedIndex].selected = false;
72                           for (i = 0; i < len; i++) {
73                                 var txt = byid ? select.options[i].value : select.options[i].text;
74                                 if (txt.toUpperCase().indexOf(ac) >= 0) {
75                                   select.options[i].selected = true;
76                                   break;
77                                 }
78                           }
79                         }
80                 };
81         e.onkeydown = function(ev) { 
82                         ev = ev||window.event;
83                         key = ev.keyCode||ev.which;
84                         if(key == 13) {
85                           this.blur();
86                           return false;
87                         }
88                 }
89 }
90
91 function _update_box(s) {
92         var byid = s.className=='combo';
93         var rel = s.getAttribute('rel');
94         var box = document.getElementsByName(rel)[0];
95                 if(box && s.selectedIndex>=0) {
96                           var opt = s.options[s.selectedIndex];
97                                 if(box) {
98                                   box.value = byid ? opt.value : opt.text;
99                                   box.setAttribute('_last', box.value);
100                                 }
101                 }
102 }
103
104 function _set_combo_select(e) {
105                 // When combo position is changed via js (eg from searchbox)
106                 // no onchange event is generated. To ensure proper change 
107                 // signaling we must track selectedIndex in onblur handler.
108                 e.setAttribute('_last', e.selectedIndex);
109                 e.onblur = function() {
110                         if(this.className=='combo')
111                             _update_box(this);
112                         if (this.selectedIndex != this.getAttribute('_last'))
113                                 this.onchange();
114                 }
115                 e.onchange = function() {
116                         var s = this;
117                         this.setAttribute('_last', this.selectedIndex);                 
118                         if(s.className=='combo')
119                             _update_box(s);
120                         if(s.selectedIndex>=0) {
121                                  var sname = '_'+s.name+'_update';
122                                  var update = document.getElementsByName(sname)[0];
123                                  if(update) {
124                                             JsHttpRequest.request(update);
125                                 } 
126                         }
127                         return true;
128                 }
129                 e.onkeydown = function(event) {
130                     event = event||window.event;
131                     key = event.keyCode||event.which;
132                     var box = document.getElementsByName(this.getAttribute('rel'))[0];
133                     if (box && key == 32 && this.className == 'combo2') {
134                             this.style.display = 'none';
135                             box.style.display = 'inline';
136                                 box.value='';
137                                 setFocus(box);
138                             return false;
139                          }
140                 }
141 }               
142
143 var _w;
144
145 function callEditor(key) {
146   var el = document.getElementsByName(editors[key][1])[0]; 
147   if(_w) _w.close(); // this is really necessary to have window on top in FF2 :/
148   _w = open(editors[key][0]+el.value+'&popup=1',
149           "edit","Scrollbars=0,resizable=0,width=800,height=600");
150   if (_w.opener == null)
151           _w.opener = self;
152   editors._call = key; // store call point for passBack 
153   _w.focus();
154 }
155
156 function passBack(value) {
157         var o = opener;
158         if(value != false) {
159                 var back = o.editors[o.editors._call]; // form input bindings
160                 var to = o.document.getElementsByName(back[1])[0];
161                 if (to) {
162                         if (to[0] != undefined) 
163                                 to[0].value = value; // ugly hack to set selector to any value
164                         to.value = value;
165                         // update page after item selection
166                         o.JsHttpRequest.request('_'+to.name+'_update', to.form);
167                         o.setFocus(to.name);
168                 }
169         }
170         close();
171 }
172
173 /*
174  Behaviour definitions
175 */
176 var inserts = {
177         'input': function(e) {
178                 if(e.onfocus==undefined) {
179                         e.onfocus = function() {
180                             save_focus(this);
181                                 if (this.className == 'combo') 
182                                         this.select();
183                         };
184                 }
185                 if (e.className == 'combo' || e.className == 'combo2') {
186                                 _set_combo_input(e);
187                 } 
188                 else
189                 if(e.type == 'text' ) {
190                                 e.onkeydown = function(ev) { 
191                                         ev = ev||window.event;
192                                         key = ev.keyCode||ev.which;
193                                         if(key == 13) {
194                                                 if(e.className == 'searchbox') e.onblur();
195                                                 return false;
196                                         } 
197                                         return true;
198                                 }
199                         }
200         },
201         'input.combo2,input[aspect="fallback"]': 
202         function(e) {
203             // this hides search button for js enabled browsers
204             e.style.display = 'none';
205         },
206         'div.js_only': 
207         function(e) {
208             // this shows divs for js enabled browsers only
209             e.style.display = 'block';
210         },
211 //      '.ajaxsubmit,.editbutton,.navibutton': // much slower on IE7
212         'button.ajaxsubmit,input.ajaxsubmit,input.editbutton,button.editbutton,button.navibutton': 
213         function(e) {
214                     e.onclick = function() {
215                             save_focus(e);
216                                         if (e.getAttribute('aspect') == 'process')
217                                                 JsHttpRequest.request(this, null, 60000);
218                                         else
219                                                 JsHttpRequest.request(this);
220                                 return false;
221                     }
222         },
223         'button': function(e) {
224                 if (e.name) {
225                         var func = _validate[e.name];
226                         var old = e.onclick;
227                         if(func) { 
228                                 if (typeof old != 'function' || old == func) { // prevent multiply binding on ajax update
229                                         e.onclick = func;
230                                 } else {
231                                         e.onclick = function() {
232                                                 if(func()) 
233                                                         { old(); return true;}
234                                                 else
235                                                         return false;
236                                         }
237                                 }
238                         }
239                 }
240         },
241     '.amount': function(e) {
242                 if(e.onblur==undefined) {
243                   e.onblur = function() {
244                         var dec = this.getAttribute("dec");
245                         price_format(this.name, get_amount(this.name), dec);
246                   };
247                 }
248         },
249         '.searchbox': // emulated onchange event handling for text inputs
250                 function(e) {
251                         e.setAttribute('_last_val', e.value);
252                         e.setAttribute('autocomplete', 'off'); //must be off when calling onblur
253                         e.onblur = function() {
254                                 var val = this.getAttribute('_last_val');
255                                 if (val != this.value) {
256                                         this.setAttribute('_last_val', this.value);
257                                         JsHttpRequest.request('_'+this.name+'_changed', this.form);
258                                 }
259                         }
260         },
261         'button[aspect=selector], input[aspect=selector]': function(e) {
262                 e.onclick = function() {
263                         passBack(this.getAttribute('rel'));
264                         return false;
265                 }
266         },
267         'select': function(e) {
268                 if(e.onfocus==undefined) {
269                         e.onfocus = function() {
270                             save_focus(this);
271                         };
272                   var c = e.className;
273                   if (c == 'combo' || c == 'combo2')
274                         _set_combo_select(e);
275                 }
276         },
277         'a.printlink':  function(l) {
278                 l.onclick = function() {
279                     save_focus(this);
280                         JsHttpRequest.request(this);
281                         return false;
282                 }
283         },
284         'a': function(e) { // traverse menu
285                 e.onkeydown = function(ev) { 
286                         ev = ev||window.event;
287                         key = ev.keyCode||ev.which;
288                         if(key==37 || key==38 || key==39 || key==40) {
289                                         move_focus(key, e, document.links);
290                                         ev.returnValue = false;
291                                         return false;
292                         }
293                 }
294         },
295         'ul.ajaxtabs':  function(ul) {
296             var ulist=ul.getElementsByTagName("li");
297             for (var x=0; x<ulist.length; x++){ //loop through each LI e
298                 var ulistlink=ulist[x].getElementsByTagName("input")[0];
299                 if(ulistlink.onclick==undefined) {
300 // ?  var modifiedurl=ulistlink.getAttribute("href").replace(/^http:\/\/[^\/]+\//i, "http://"+window.location.hostname+"/")
301                     var url = ulistlink.form.action
302                     ulistlink.onclick=function(){
303                         _expand(this);
304                         return false;
305                     }
306                 }
307             }
308         }
309 /*      'tr.editrow': function(e) {
310                         e.onkeydown = function(ev) { 
311                         ev = ev||window.event;
312                         key = ev.keyCode||ev.which;
313                         if(key == 13) {
314                           // Find & click additem/update button
315                           
316                         } else  if(key == 27) {
317                           return false;
318                         }
319                 }
320
321         },
322 *//*    '#msgbox': function(e) {
323         // this is to avoid changing div height after ajax update in IE7
324           e.style.display = e.innerHTML.length ? 'block' : 'none';
325         }
326 *//* TODO
327         'a.date_picker':  function(e) {
328             // this un-hides data picker for js enabled browsers
329             e.href = date_picker(this.getAttribute('rel'));
330             e.style.display = '';
331             e.tabindex = -1; // skip in tabbing order
332         }
333 */
334 };
335
336 function stopEv(ev) {
337                         if(ev.preventDefault) {
338                                 ev.preventDefault();
339                                 ev.stopPropagation();
340                         } else {
341                                 ev.returnValue = false;
342                                 ev.cancelBubble = true;
343                                 window.keycode = 0;
344                         }
345                         return false;
346 }
347 /*
348         Modified accesskey system. While Alt key is pressed letter keys moves 
349         focus to next marked link. Alt key release activates focused link.
350 */
351 function setHotKeys() {
352         document.onkeydown = function(ev) {
353                 ev = ev||window.event;
354                 key = ev.keyCode||ev.which;
355                 if (key == 18 && !ev.ctrlKey) { // start selection, skip Win AltGr
356                         _hotkeys.alt = true;
357                         _hotkeys.focus = -1;
358                         return stopEv(ev);
359                 }
360                 else if (ev.altKey && !ev.ctrlKey && ((key>47 && key<58) || (key>64 && key<91))) {
361                         var n = _hotkeys.focus;
362                         var l = document.links;
363                         var cnt = l.length;
364                         key = String.fromCharCode(key);
365                         for (var i=0; i<cnt; i++) { 
366                                 n = (n+1)%cnt;
367                                 // check also if the link is visible
368                                 if (l[n].accessKey==key && l[n].scrollWidth) {
369                                         _hotkeys.focus = n;
370             // The timeout is needed to prevent unpredictable behaviour on IE.
371                                         var tmp = function() {document.links[_hotkeys.focus].focus();};
372                                         setTimeout(tmp, 0);
373                                         break;
374                                 }
375                         }
376                         return stopEv(ev);
377                 }
378                 if((ev.ctrlKey && key == 13) || (key == 27 && ev.altKey)) {
379                         _hotkeys.alt = false; // cancel link selection
380                         _hotkeys.focus = -1;
381                         ev.cancelBubble = true;
382                         if(ev.stopPropagation) ev.stopPropagation();
383                         // activate submit/escape form
384                         for(var j=0; j<this.forms.length; j++) {
385                                 var form = this.forms[j];
386                                 for (var i=0; i<form.elements.length; i++){
387                                         var el = form.elements[i];
388                                         var asp = el.getAttribute('aspect');
389                                         if (el.className!='editbutton' && asp=='selector' && (key==13 || key==27)) {
390                                                 passBack(key==13 ? el.getAttribute('rel') : false);
391                                                 ev.returnValue = false;
392                                                 return false;
393                                         }
394                                         if ((asp=='default' && key==13)||(asp=='cancel' && key==27)) {
395                                                 JsHttpRequest.request(el);
396                                                 ev.returnValue = false;
397                                                 return false;
398                                         }
399                                 }
400                         }
401                         ev.returnValue = false;
402                         return false;
403                 }
404                 if (editors && editors[key]) {
405                         callEditor(key);
406                         return stopEv(ev); // prevent default binding
407                 } 
408                 return true;
409         };
410         document.onkeyup = function(ev) {
411                 ev = ev||window.event;
412                 key = ev.keyCode||ev.which;
413
414                 if (_hotkeys.alt==true) {
415                         if (key == 18) {
416                                 _hotkeys.alt = false;
417                                 if (_hotkeys.focus>=0) {
418                                         var link = document.links[_hotkeys.focus];
419                                         if(link.onclick) 
420                                                 link.onclick();
421                                         else
422                                                 if (link.target=='_blank') {
423                                                         window.open(link.href,'','toolbar=no,scrollbar=no,resizable=yes,menubar=no,width=900,height=500');
424                                                         openWindow(link.href,'_blank');
425                                                 } else
426                                                         window.location = link.href;
427                                 }
428                         return stopEv(ev);
429                         } 
430                 }
431                 return true;
432         }
433 }
434
435 Behaviour.register(inserts);
436
437 Behaviour.addLoadEvent(setFocus);
438 Behaviour.addLoadEvent(setHotKeys);