//vim: et:ts=4:sw=4:sts=4:ft=js
Ox.Button = function(options, self) {

    /**
        methods:
            toggleDisabled              enable/disable button
            toggleSelected              select/unselect button
            toggleTitle                 if more than one title was provided,
                                        toggle to next title.
        events:
            click           non-selectable button was clicked
            deselect        selectable button was deselected
            select          selectable button was selected
    */

    var self = self || {},
        that = new Ox.Element('input', self)
            .defaults({
                disabled: false,
                group: false,
                id: '',
                overlap: 'none',
                selectable: false,
                selected: false,
                size: 'medium',
                // fixme: 'default' or ''?
                style: 'default', // can be default, checkbox, symbol, or tab
                title: '',
                tooltip: '',
                type: 'text',
                width: 'auto'
            })
            .options(options || {})
            .attr({
                disabled: self.options.disabled ? 'disabled' : '',
                type: self.options.type == 'text' ? 'button' : 'image'
            })
            .addClass('OxButton Ox' + Ox.toTitleCase(self.options.size) +
                (self.options.disabled ? ' OxDisabled': '') +
                (self.options.selected ? ' OxSelected': '') +
                (self.options.style != 'default' ? ' Ox' + Ox.toTitleCase(self.options.style) : '') +
                (self.options.overlap != 'none' ? ' OxOverlap' + Ox.toTitleCase(self.options.overlap) : ''))
            .css(self.options.width == 'auto' ? {} : {
                width: (self.options.width - 14) + 'px'
            })
            .mousedown(mousedown)
            .click(click);

    $.extend(self, Ox.isArray(self.options.title) ? {
        selectedTitle: Ox.setPropertyOnce(self.options.title, 'selected'),
        titles: self.options.title
    } : {
        selectedTitle: 0,
        titles: [{
            id: '',
            title: self.options.title
        }]
    });

    setTitle(self.titles[self.selectedTitle].title);

    if (self.options.tooltip) {
        self.tooltips = Ox.isArray(self.options.tooltip) ? self.options.tooltip : [self.options.tooltip];
        self.$tooltip = new Ox.Tooltip({
                title: self.tooltips[self.selectedTitle]
            });
        that.mouseenter(mouseenter)
            .mouseleave(mouseleave);
    }

    function click() {
        if (!self.options.disabled) {
            var data = self.titles[self.selectedTitle];
            if (!self.options.selectable) {
                that.triggerEvent('click', data);
            } else {
                //self.options.selected = !self.options.selected;
                //that.toggleClass('OxSelected');
                if (self.options.group) {
                    that.triggerEvent('select', data);
                } else {
                    that.toggleSelected();
                    //that.triggerEvent('change', {selected: self.options.selected});
                }
            }
            if (self.titles.length == 2) {
                that.toggleTitle();
            }
        }
    }

    function mousedown(e) {
        if (self.options.type == 'image' && $.browser.safari) {
            // keep image from being draggable
            e.preventDefault();
        }
    }

    function mouseenter(e) {
        self.$tooltip.show(e.clientX, e.clientY);
    }

    function mouseleave() {
        self.$tooltip.hide();
    }

    function setTitle(title) {
        self.title = title;
        if (self.options.type == 'image') {
            that.attr({
                src: Ox.UI.getImagePath(
                    'symbol' + title[0].toUpperCase() + title.substr(1) + '.svg'
                )
            });
        } else {
            that.val(title);
        }
    }

    self.onChange = function(key, value) {
        if (key == 'disabled') {
            that.attr({
                    disabled: value ? 'disabled' : ''
                })
                .toggleClass('OxDisabled');
        } else if (key == 'selected') {
            if (value != that.hasClass('OxSelected')) { // fixme: neccessary?
                that.toggleClass('OxSelected');
            }
            that.triggerEvent('change');
        } else if (key == 'title') {
            setTitle(value);
        } else if (key == 'width') {
            that.$element.css({
                width: (value - 14) + 'px'
            });
        }
    }

    that.toggleDisabled = function() {
        that.options({
            enabled: !self.options.disabled
        });
        //self.options.disabled = !self.options.disabled;
    }

    that.toggleSelected = function() {
        that.options({
            selected: !self.options.selected
        });
        //self.options.selected = !self.options.selected;
    }

    that.toggleTitle = function() {
        self.selectedTitle = 1 - self.selectedTitle;
        setTitle(self.titles[self.selectedTitle].title);
        self.$tooltip && self.$tooltip.options({
            title: self.tooltips[self.selectedTitle]
        });
    }

    return that;

};