| 1 |
dpavlin |
16 |
/* |
| 2 |
|
|
simple yet powerful implementation of show/hide effect |
| 3 |
|
|
with history navigation (back/forward/default) |
| 4 |
|
|
|
| 5 |
|
|
Dobrica Pavlinusic <dpavlin@rot13.org> 2004-09-12 |
| 6 |
|
|
*/ |
| 7 |
|
|
|
| 8 |
dpavlin |
15 |
var changed_display_ids = []; |
| 9 |
|
|
var changed_display_pos = 0; |
| 10 |
dpavlin |
16 |
var id_cache = []; |
| 11 |
dpavlin |
15 |
|
| 12 |
dpavlin |
19 |
var debug_on = true; |
| 13 |
|
|
function debug(text) { |
| 14 |
|
|
if (debug_on) debug_on = confirm(text); |
| 15 |
|
|
} |
| 16 |
|
|
|
| 17 |
dpavlin |
16 |
function element_id(id) { |
| 18 |
dpavlin |
27 |
//debug("id: "+id); |
| 19 |
dpavlin |
16 |
if (id_cache[id]) { |
| 20 |
dpavlin |
19 |
//debug("from cache "+id+" == "+id_cache[id]); |
| 21 |
dpavlin |
16 |
return id_cache[id]; |
| 22 |
|
|
} else { |
| 23 |
dpavlin |
19 |
var el = self.document.getElementById(id); |
| 24 |
|
|
//debug("getElementById("+id+") == "+el); |
| 25 |
dpavlin |
16 |
if (el) { |
| 26 |
|
|
id_cache[id] = el; |
| 27 |
|
|
return el; |
| 28 |
|
|
} |
| 29 |
dpavlin |
19 |
//} else debug("can't find element "+id); |
| 30 |
dpavlin |
16 |
} |
| 31 |
dpavlin |
19 |
return null; |
| 32 |
dpavlin |
16 |
} |
| 33 |
|
|
|
| 34 |
dpavlin |
15 |
function toggle_display(name,dont_save) { |
| 35 |
dpavlin |
16 |
var el = element_id(name); |
| 36 |
dpavlin |
14 |
if (el) { |
| 37 |
dpavlin |
19 |
//debug("toggle "+name+" == "+el.id+" current: '"+el.style.display+"'"); |
| 38 |
|
|
|
| 39 |
dpavlin |
13 |
if (el.style.display=='none') |
| 40 |
|
|
el.style.display = ''; |
| 41 |
|
|
else |
| 42 |
|
|
el.style.display = 'none'; |
| 43 |
dpavlin |
15 |
|
| 44 |
|
|
if (! dont_save) changed_display_ids[changed_display_pos++] = name; |
| 45 |
dpavlin |
13 |
} |
| 46 |
|
|
|
| 47 |
|
|
return false; |
| 48 |
|
|
} |
| 49 |
dpavlin |
14 |
|
| 50 |
dpavlin |
16 |
function default_display() { |
| 51 |
dpavlin |
20 |
if (changed_display_pos == 0) return null; |
| 52 |
dpavlin |
18 |
|
| 53 |
|
|
for (var i = 0; i < changed_display_pos; i++) { |
| 54 |
dpavlin |
15 |
toggle_display( changed_display_ids[i], 1 ); |
| 55 |
|
|
} |
| 56 |
|
|
changed_display_pos = 0; |
| 57 |
|
|
return false; |
| 58 |
|
|
} |
| 59 |
|
|
|
| 60 |
|
|
function back_display() { |
| 61 |
|
|
if (changed_display_pos == 0) { |
| 62 |
|
|
alert("can't go back in history"); |
| 63 |
|
|
return; |
| 64 |
|
|
} |
| 65 |
|
|
toggle_display( changed_display_ids[--changed_display_pos], 1 ); |
| 66 |
|
|
} |
| 67 |
|
|
|
| 68 |
|
|
function forward_display() { |
| 69 |
|
|
if (changed_display_pos == changed_display_ids.length) { |
| 70 |
|
|
alert("can't go forward in history"); |
| 71 |
|
|
return; |
| 72 |
|
|
} |
| 73 |
|
|
|
| 74 |
|
|
toggle_display( changed_display_ids[changed_display_pos++], 1 ); |
| 75 |
|
|
} |
| 76 |
|
|
|
| 77 |
dpavlin |
16 |
function reset_changed() { |
| 78 |
|
|
changed_display_ids.length = 0; |
| 79 |
|
|
changed_display_pos = 0; |
| 80 |
|
|
} |
| 81 |
dpavlin |
15 |
|
| 82 |
dpavlin |
14 |
function set_display(name,display) { |
| 83 |
dpavlin |
16 |
var el = element_id(name); |
| 84 |
dpavlin |
14 |
|
| 85 |
|
|
if (el) el.style.display = display |
| 86 |
|
|
else alert("can't set_display("+name+","+display+")"); |
| 87 |
|
|
|
| 88 |
|
|
return false; |
| 89 |
|
|
} |
| 90 |
|
|
|
| 91 |
|
|
function show_display(show) { |
| 92 |
|
|
for (var i = 0; i < show.length; i++) { |
| 93 |
|
|
set_display(show[i],''); |
| 94 |
|
|
} |
| 95 |
dpavlin |
16 |
reset_changed(); |
| 96 |
dpavlin |
14 |
} |
| 97 |
|
|
|
| 98 |
|
|
function hide_display(hide) { |
| 99 |
|
|
for (var i = 0; i < hide.length; i++) { |
| 100 |
|
|
set_display(hide[i],'none'); |
| 101 |
|
|
} |
| 102 |
dpavlin |
16 |
reset_changed(); |
| 103 |
dpavlin |
14 |
} |
| 104 |
|
|
|
| 105 |
|
|
function show_hide_display(show,hide) { |
| 106 |
|
|
show_display(show); |
| 107 |
|
|
hide_display(hide); |
| 108 |
|
|
} |
| 109 |
dpavlin |
17 |
|
| 110 |
|
|
function outline_display(name) { |
| 111 |
|
|
|
| 112 |
|
|
var el = element_id(name); |
| 113 |
|
|
|
| 114 |
dpavlin |
21 |
//debug("outline "+name); |
| 115 |
|
|
|
| 116 |
dpavlin |
17 |
if (el) { |
| 117 |
dpavlin |
21 |
el.style.backgroundColor = "#ffff66"; |
| 118 |
|
|
//el.style.border = "1px dashed #c0c0c0"; |
| 119 |
dpavlin |
17 |
|
| 120 |
|
|
if (el.style.display=='none') toggle_display(el.id); |
| 121 |
|
|
|
| 122 |
|
|
// recursivly show elements to root |
| 123 |
|
|
while (el.parentNode) { |
| 124 |
dpavlin |
20 |
el=el.parentNode; |
| 125 |
dpavlin |
18 |
if (el.style && el.style.display=='none') toggle_display(el.id); |
| 126 |
dpavlin |
17 |
} |
| 127 |
|
|
} |
| 128 |
|
|
} |
Parent Directory
| 
Revision Log