oxjs/source/Ox.UI/js/Form/Ox.CheckboxGroup.js
2011-12-30 15:03:01 +05:30

106 lines
3.6 KiB
JavaScript

// vim: et:ts=4:sw=4:sts=4:ft=javascript
'use strict';
/*@
Ox.CheckboxGroup <f:Ox.Element> CheckboxGroup Object
() -> <f> CheckboxGroup Object
(options) -> <f> CheckboxGroup Object
(options, self) -> <f> CheckboxGroup Object
options <o> Options object
checkboxes <a|[]> array of checkboxes
max <n|1> max selected
min <n|1> min selected
type <s|"group"> type ("group" or "list")
width <n> width in px
self <o> shared private variable
change <!> triggered when checked property changes
passes {id, title, value}
@*/
Ox.CheckboxGroup = function(options, self) {
self = self || {};
var that = Ox.Element({}, self)
.defaults({
// fixme: should 'checkboxes' be 'items'?
checkboxes: [],
max: 1,
min: 1,
type: 'group',
value: options.max != 1 ? [] : '',
width: 256
})
.options(options || {})
.addClass('OxCheckboxGroup Ox' + Ox.toTitleCase(self.options.type));
self.options.checkboxes = self.options.checkboxes.map(function(checkbox) {
return {
checked: Ox.toArray(self.options.value).indexOf(checkbox.id || checkbox) > -1,
id: checkbox.id || checkbox,
title: checkbox.title || checkbox
};
});
self.optionGroup = new Ox.OptionGroup(
self.options.checkboxes,
self.options.min,
self.options.max,
'checked'
);
self.options.checkboxes = self.optionGroup.init();
self.options.value = self.optionGroup.value();
self.$checkboxes = [];
if (self.options.type == 'group') {
self.checkboxWidth = Ox.divideInt(
self.options.width + (self.options.checkboxes.length - 1) * 6,
self.options.checkboxes.length
).map(function(v, i) {
return v + (i < self.options.checkboxes.length - 1 ? 10 : 0);
});
};
self.options.checkboxes.forEach(function(checkbox, pos) {
self.$checkboxes[pos] = Ox.Checkbox(Ox.extend(checkbox, {
group: true,
id: checkbox.id,
width: self.options.type == 'group'
? self.checkboxWidth[pos] : self.options.width,
value: checkbox.checked
}))
.bindEvent('change', function() {
toggleCheckbox(pos);
})
.appendTo(that);
});
function toggleCheckbox(pos) {
var toggled = self.optionGroup.toggle(pos);
Ox.Log('Form', 'change', pos, 'toggled', toggled)
if (!toggled.length) {
// FIXME: fix and use that.toggleOption()
self.$checkboxes[pos].value(!self.$checkboxes[pos].value());
} else {
toggled.forEach(function(i) {
i != pos && self.$checkboxes[i].value(!self.$checkboxes[i].value());
});
self.options.value = self.optionGroup.value();
that.triggerEvent('change', {
title: Ox.isString(self.options.value)
? (
self.options.value
? Ox.getObjectById(self.options.checkboxes, self.options.value).title
: ''
)
: self.options.value.map(function(value) {
return Ox.getObjectById(self.options.checkboxes, value).title;
}),
value: self.options.value
});
}
}
return that;
};