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Location: website/www/conservancy/static/admin/js/SelectBox.js
123eb7603cee
3.9 KiB
application/javascript
Use typical way of putting the category in a block.
Django is so frustrating as it's never clear about how things trickle
up and down through templates, so move the category to the top like
the others.
Django is so frustrating as it's never clear about how things trickle
up and down through templates, so move the category to the top like
the others.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | var SelectBox = {
cache: new Object(),
init: function(id) {
var box = document.getElementById(id);
var node;
SelectBox.cache[id] = new Array();
var cache = SelectBox.cache[id];
for (var i = 0; (node = box.options[i]); i++) {
cache.push({ value: node.value, text: node.text, displayed: 1 });
}
},
redisplay: function(id) {
// Repopulate HTML select box from cache
var box = document.getElementById(id);
box.options.length = 0; // clear all options
for (var i = 0, j = SelectBox.cache[id].length; i < j; i++) {
var node = SelectBox.cache[id][i];
if (node.displayed) {
box.options[box.options.length] = new Option(node.text, node.value, false, false);
}
}
},
filter: function(id, text) {
// Redisplay the HTML select box, displaying only the choices containing ALL
// the words in text. (It's an AND search.)
var tokens = text.toLowerCase().split(/\s+/);
var node, token;
for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
node.displayed = 1;
for (var j = 0; (token = tokens[j]); j++) {
if (node.text.toLowerCase().indexOf(token) == -1) {
node.displayed = 0;
}
}
}
SelectBox.redisplay(id);
},
delete_from_cache: function(id, value) {
var node, delete_index = null;
for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
if (node.value == value) {
delete_index = i;
break;
}
}
var j = SelectBox.cache[id].length - 1;
for (var i = delete_index; i < j; i++) {
SelectBox.cache[id][i] = SelectBox.cache[id][i+1];
}
SelectBox.cache[id].length--;
},
add_to_cache: function(id, option) {
SelectBox.cache[id].push({ value: option.value, text: option.text, displayed: 1 });
},
cache_contains: function(id, value) {
// Check if an item is contained in the cache
var node;
for (var i = 0; (node = SelectBox.cache[id][i]); i++) {
if (node.value == value) {
return true;
}
}
return false;
},
move: function(from, to) {
var from_box = document.getElementById(from);
var to_box = document.getElementById(to);
var option;
for (var i = 0; (option = from_box.options[i]); i++) {
if (option.selected && SelectBox.cache_contains(from, option.value)) {
SelectBox.add_to_cache(to, { value: option.value, text: option.text, displayed: 1 });
SelectBox.delete_from_cache(from, option.value);
}
}
SelectBox.redisplay(from);
SelectBox.redisplay(to);
},
move_all: function(from, to) {
var from_box = document.getElementById(from);
var to_box = document.getElementById(to);
var option;
for (var i = 0; (option = from_box.options[i]); i++) {
SelectBox.add_to_cache(to, { value: option.value, text: option.text, displayed: 1 });
SelectBox.delete_from_cache(from, option.value);
}
SelectBox.redisplay(from);
SelectBox.redisplay(to);
},
sort: function(id) {
SelectBox.cache[id].sort( function(a, b) {
a = a.text.toLowerCase();
b = b.text.toLowerCase();
try {
if (a > b) return 1;
if (a < b) return -1;
}
catch (e) {
// silently fail on IE 'unknown' exception
}
return 0;
} );
},
select_all: function(id) {
var box = document.getElementById(id);
for (var i = 0; i < box.options.length; i++) {
box.options[i].selected = 'selected';
}
}
}
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