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

262 lines
7.8 KiB
JavaScript

// vim: et:ts=4:sw=4:sts=4:ft=javascript
'use strict';
/*@
Ox.Select <f:Ox.Element> Select Object
() -> <f> Select Object
(options) -> <f> Select Object
(options, self) -> <f> Select Object
options <o> Options object
disabled <b|false> If true, select is disabled
id <s> Element id
items <a|[]> Items (array of {id, title} or strings)
label <s|''> Label
labelWidth <n|64> Label width
max <n|1> Maximum number of selected items
maxWidth <n|0> Maximum menu width
min <n|1> Minimum number of selected items
overlap <s|'none'> Can be 'none', 'left' or 'right'
selectable <b|true> is selectable
size <s|'medium'> Size, can be small, medium, large
style <s|'rounded'> Style ('rounded' or 'square')
title <s|''> Select title
tooltip <s|f|''> Tooltip title, or function that returns one
(e) -> <string> Tooltip title
e <object> Mouse event
type <s|'text'> Type ('text' or 'image')
value <a|s> Selected id, or array of selected ids
width <s|n|'auto'> Width in px, or 'auto'
self <o> Shared private variable
click <!> Click event
change <!> Change event
@*/
Ox.Select = function(options, self) {
self = self || {};
var that = Ox.Element({
tooltip: options.tooltip || ''
}, self)
.defaults({
id: '',
items: [],
label: '',
labelWidth: 64,
max: 1,
maxWidth: 0,
min: 1,
overlap: 'none',
size: 'medium',
style: 'rounded',
title: '',
type: 'text',
value: options.max != 1 ? [] : '',
width: 'auto'
})
// fixme: make default selection restorable
.options(options)
.addClass(
'OxSelect Ox' + Ox.toTitleCase(self.options.size)
+ ' Ox' + Ox.toTitleCase(self.options.style) + (
self.options.overlap == 'none'
? '' : ' OxOverlap' + Ox.toTitleCase(self.options.overlap)
) + (self.options.label ? ' OxLabelSelect' : '')
)
.css(self.options.width == 'auto' ? {} : {
width: self.options.width - 2 + 'px'
})
.bindEvent({
anyclick: showMenu,
key_escape: loseFocus,
key_down: showMenu
});
Ox.Log('Form', 'Ox.Select', self.options);
self.options.items = self.options.items.map(function(item) {
return Ox.isEmpty(item) ? item : {
id: 'id' in item ? item.id : item,
title: 'title' in item ? item.title : item,
checked: Ox.toArray(self.options.value).indexOf(
'id' in item ? item.id : item
) > -1
};
});
self.optionGroup = new Ox.OptionGroup(
self.options.items,
self.options.min,
self.options.max,
'checked'
);
self.options.items = self.optionGroup.init();
self.options.value = self.optionGroup.value();
if (self.options.label) {
self.$label = Ox.Label({
overlap: 'right',
textAlign: 'right',
title: self.options.label,
width: self.options.labelWidth
})
.appendTo(that);
}
if (self.options.type == 'text') {
self.$title = $('<div>')
.addClass('OxTitle')
.css({
width: getTitleWidth() + 'px'
})
.html(
self.options.title || getItem(self.options.value).title
)
.appendTo(that);
}
self.$button = Ox.Button({
id: self.options.id + 'Button',
style: 'symbol',
title: self.options.type == 'text' || !self.options.title
? 'select' : self.options.title,
type: 'image'
})
.appendTo(that);
self.$menu = Ox.Menu({
element: self.$title || self.$button,
id: self.options.id + 'Menu',
items: [{
group: self.options.id + 'Group',
items: self.options.items,
max: self.options.max,
min: self.options.min
}],
maxWidth: self.options.maxWidth,
side: 'bottom', // FIXME: should be edge
size: self.options.size
})
.bindEvent({
change: changeMenu,
click: clickMenu,
hide: hideMenu
});
self.options.type == 'image' && self.$menu.addClass('OxRight');
function clickMenu(data) {
that.triggerEvent('click', data);
}
function changeMenu(data) {
self.options.value = self.optionGroup.value();
self.$title && self.$title.html(
self.options.title || getItem(self.options.value).title
);
that.triggerEvent('change', {
title: Ox.isEmpty(self.options.value) ? ''
: Ox.isArray(self.options.value)
? self.options.value.map(function(value) {
return getItem(value).title;
})
: getItem(self.options.value).title,
value: self.options.value
});
}
function getItem(id) {
return Ox.getObjectById(self.options.items, id);
}
function getTitleWidth() {
// fixme: used to be 22. obscure
return self.options.width - 24 - (
self.options.label ? self.options.labelWidth : 0
);
}
function hideMenu() {
that.loseFocus();
that.removeClass('OxSelected');
}
function loseFocus() {
that.loseFocus();
}
function selectItem() {
}
function showMenu() {
that.gainFocus();
that.addClass('OxSelected');
self.options.tooltip && that.$tooltip.hide();
self.$menu.showMenu();
}
self.setOption = function(key, value) {
if (key == 'labelWidth') {
self.$label.options({width: value});
self.$title.css({width: getTitleWidth() + 'px'});
} else if (key == 'title') {
if (self.options.type == 'text') {
self.$title.html(value);
} else {
self.$button.options({title: value});
}
} else if (key == 'width') {
that.css({width: value - 2 + 'px'});
self.$title.css({width: getTitleWidth() + 'px'});
} else if (key == 'value') {
if (self.options.type == 'text' && !self.options.title) {
self.$title.html(getItem(value).title);
}
value !== '' && Ox.toArray(value).forEach(function(value) {
self.$menu.checkItem(value);
});
self.options.value = self.optionGroup.value();
}
};
that.disableItem = function(id) {
self.$menu.getItem(id).options({disabled: true});
};
that.enableItem = function(id) {
self.$menu.getItem(id).options({disabled: false});
};
self.superRemove = that.remove;
that.remove = function() {
self.$menu.remove();
self.superRemove();
};
/*@
selected <f> gets selected item
() -> <o> returns array of selected items with id and title
@*/
that.selected = function() {
return Ox.toArray(self.optionGroup.value()).map(function(id) {
return {
id: id,
title: getItem(id).title
};
});
};
/*
that.width = function(val) {
// fixme: silly hack, and won't work for css() ... remove!
that.$element.width(val + 16);
that.$button.width(val);
//that.$symbol.width(val);
return that;
};
*/
return that;
};