oxjs/source/Ox.UI/js/Core/Ox.Theme.js
2011-12-30 21:07:41 +05:30

148 lines
5.3 KiB
JavaScript

// vim: et:ts=4:sw=4:sts=4:ft=javascript
'use strict';
/*@
Ox.Theme <f> get/set theme
() -> <s> Get current theme
(theme) -> <s> Set current theme
theme <s> name of theme
@*/
Ox.Theme = (function() {
var that = function(theme) {
return theme ? setTheme(theme) : getTheme();
};
function getTheme() {
var theme = '';
Ox.forEach(Ox.UI.$body.attr('class').split(' '), function(className) {
if (Ox.startsWith(className, 'OxTheme')) {
theme = className.replace('OxTheme', '').toLowerCase();
return false;
}
});
return theme;
}
function renderElement(val, type) {
var $element, background, color, lightness = that.lightness[getTheme()];
if (type == 'hue') {
background = Ox.rgb(val, 1, lightness.background).map(function(val) {
return Math.round(val);
});
color = Ox.rgb(val, 1, lightness.color).map(function(val) {
return Math.round(val);
});
} else if (type == 'saturation') {
background = Ox.range(7).map(function(i) {
return Ox.rgb(i * 60, val, lightness.background).map(function(val) {
return Math.round(val);
});
});
color = Ox.rgb(0, 0, lightness.color).map(function(val) {
return Math.round(val);
});
} else if (type == 'lightness') {
background = Ox.range(3).map(function() {
return Math.round(val * 255);
});
color = Ox.range(3).map(function() {
return Math.round(val * 255) + (val < 0.5 ? 128 : -128);
});
} else if (type == 'gradient') {
background = Ox.range(2).map(function(i) {
return Ox.rgb(val, 1, lightness.background).map(function(val) {
return Math.round(val + (i == 0 ? 16 : -16));
});
});
color = Ox.rgb(val, 1, lightness.color).map(function(val) {
return Math.round(val);
});
}
$element = $('<div>')
.addClass(
'OxColor'
+ (type == 'lightness' ? '' : ' OxColor' + Ox.toTitleCase(type))
)
.css({
color: 'rgb(' + color.join(', ') + ')'
})
.data(type == 'lightness' ? {} : {OxColor: val});
if (Ox.isNumber(background[0])) {
$element.css({
background: 'rgb(' + background.join(', ') + ')'
});
} else {
['moz', 'o', 'webkit'].forEach(function(browser) {
$element.css({
background: '-' + browser + '-linear-gradient('
+ (background.length == 2 ? 'top' : 'left') + ', '
+ background.map(function(rgb, i) {
return 'rgb(' + rgb.join(', ') + ') '
+ Math.round(i * 100 / (background.length - 1)) + '%';
}).join(', ')
+ ')'
});
});
}
return $element;
};
function setTheme(theme) {
var currentTheme = getTheme();
if (theme != currentTheme) {
Ox.UI.$body
.addClass('OxTheme' + Ox.toTitleCase(theme))
.removeClass('OxTheme' + Ox.toTitleCase(currentTheme));
$('.OxColor').each(function() {
var element = this;
Ox.forEach(['hue', 'saturation', 'gradient'], function(type) {
if (element.className.indexOf('OxColor' + Ox.toTitleCase(type)) > -1) {
var $element = $(element),
val = $element.data('OxColor'),
$element_ = renderElement(val, type);
$element.css({
background: $element_.css('background'),
color: $element_.css('color')
});
return false;
}
});
});
$('img:not(.OxVideo)').add('input[type="image"]:not(.OxVideo)').each(function(element) {
var $element = $(this),
src = $element.attr('src');
$element.attr({
src: Ox.UI.getImageURL(Ox.UI.getImageName(src), theme)
});
});
}
Ox.localStorage('Ox')('theme', theme);
return that;
}
that.formatColor = function(val, type) {
return renderElement(val, type)
.css({textAlign: 'center'})
.html(Ox.formatNumber(val, 3));
};
that.formatColorLevel = function(index, values, hueRange) {
hueRange = hueRange || (Ox.isBoolean(index) ? [0, 120] : [120, 0]);
var step = (hueRange[1] - hueRange[0]) / (values.length - 1),
hue = hueRange[0] + index * step;
return renderElement(hue, 'gradient')
.css({textAlign: 'center'})
.html(values[+index]);
};
that.lightness = {
classic: {background: 0.75, color: 0.25},
modern: {background: 0.25, color: 0.75}
};
return that;
}());