jquery-ui/ui/ui.colorpicker.js

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/*
* jQuery UI Color Picker
*
* Copyright (c) 2008 Stefan Petre, Paul Bakaus
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/ColorPicker
*
* Depends:
* ui.core.js
*/
(function ($) {
$.widget("ui.colorpicker", {
_init: function() {
this.charMin = 65;
var o = this.options, self = this,
tpl = '<div class="ui-colorpicker clearfix"><div class="ui-colorpicker-color"><div><div></div></div></div><div class="ui-colorpicker-hue"><div></div></div><div class="ui-colorpicker-new-color"></div><div class="ui-colorpicker-current-color"></div><div class="ui-colorpicker-hex"><label for="ui-colorpicker-hex" title="hex">#</label><input type="text" maxlength="6" size="6" /></div><div class="ui-colorpicker-rgb-r ui-colorpicker-field"><label for="ui-colorpicker-rgb-r">R</label><input type="text" maxlength="3" size="3" /><span></span></div><div class="ui-colorpicker-rgb-g ui-colorpicker-field"><label for="ui-colorpicker-rgb-g">G</label><input type="text" maxlength="3" size="3" /><span></span></div><div class="ui-colorpicker-rgb-b ui-colorpicker-field"><label for="ui-colorpicker-rgb-b">B</label><input type="text" maxlength="3" size="3" /><span></span></div><div class="ui-colorpicker-hsb-h ui-colorpicker-field"><label for="ui-colorpicker-hsb-h">H</label><input type="text" maxlength="3" size="3" /><span></span></div><div class="ui-colorpicker-hsb-s ui-colorpicker-field"><label for="ui-colorpicker-hsb-s">S</label><input type="text" maxlength="3" size="3" /><span></span></div><div class="ui-colorpicker-hsb-b ui-colorpicker-field"><label for="ui-colorpicker-hsb-b">B</label><input type="text" maxlength="3" size="3" /><span></span></div><button class="ui-colorpicker-submit ui-default-state" name="submit" type="submit">Done</button></div>';
if (typeof o.color == 'string') {
this.color = this._HexToHSB(o.color);
} else if (o.color.r != undefined && o.color.g != undefined && o.color.b != undefined) {
this.color = this._RGBToHSB(o.color);
} else if (o.color.h != undefined && o.color.s != undefined && o.color.b != undefined) {
this.color = this._fixHSB(o.color);
} else {
return this;
}
this.origColor = this.color;
this.picker = $(tpl);
if (o.flat) {
this.picker.appendTo(this.element).show();
} else {
this.picker.appendTo(document.body);
}
this.fields = this.picker.find('input')
.bind('keydown', function(e) { return self._keyDown.call(self, e); })
.bind('change', function(e) { return self._change.call(self, e); })
.bind('blur', function(e) { return self._blur.call(self, e); })
.bind('focus', function(e) { return self._focus.call(self, e); });
this.picker.find('span').bind('mousedown', function(e) { return self._downIncrement.call(self, e); });
this.selector = this.picker.find('div.ui-colorpicker-color').bind('mousedown', function(e) { return self._downSelector.call(self, e); });
this.selectorIndic = this.selector.find('div div');
this.hue = this.picker.find('div.ui-colorpicker-hue div');
this.picker.find('div.ui-colorpicker-hue').bind('mousedown', function(e) { return self._downHue.call(self, e); });
this.newColor = this.picker.find('div.ui-colorpicker-new-color');
this.currentColor = this.picker.find('div.ui-colorpicker-current-color');
this.picker.find('div.ui-colorpicker-submit')
.bind('mouseenter', function(e) { return self._enterSubmit.call(self, e); })
.bind('mouseleave', function(e) { return self._leaveSubmit.call(self, e); })
.bind('click', function(e) { return self._clickSubmit.call(self, e); });
this._fillRGBFields(this.color);
this._fillHSBFields(this.color);
this._fillHexFields(this.color);
this._setHue(this.color);
this._setSelector(this.color);
this._setCurrentColor(this.color);
this._setNewColor(this.color);
if (o.flat) {
this.picker.css({
position: 'relative',
display: 'block'
});
} else {
$(this.element).bind(o.eventName+".colorpicker", function(e) { return self._show.call(self, e); });
}
},
destroy: function() {
this.picker.remove();
this.element.removeData("colorpicker").unbind(".colorpicker");
},
_fillRGBFields: function(hsb) {
var rgb = this._HSBToRGB(hsb);
this.fields
.eq(1).val(rgb.r).end()
.eq(2).val(rgb.g).end()
.eq(3).val(rgb.b).end();
},
_fillHSBFields: function(hsb) {
this.fields
.eq(4).val(hsb.h).end()
.eq(5).val(hsb.s).end()
.eq(6).val(hsb.b).end();
},
_fillHexFields: function (hsb) {
this.fields
.eq(0).val(this._HSBToHex(hsb)).end();
},
_setSelector: function(hsb) {
this.selector.css('backgroundColor', '#' + this._HSBToHex({h: hsb.h, s: 100, b: 100}));
this.selectorIndic.css({
left: parseInt(150 * hsb.s/100, 10),
top: parseInt(150 * (100-hsb.b)/100, 10)
});
},
_setHue: function(hsb) {
this.hue.css('top', parseInt(150 - 150 * hsb.h/360, 10));
},
_setCurrentColor: function(hsb) {
this.currentColor.css('backgroundColor', '#' + this._HSBToHex(hsb));
},
_setNewColor: function(hsb) {
this.newColor.css('backgroundColor', '#' + this._HSBToHex(hsb));
},
_keyDown: function(e) {
var pressedKey = e.charCode || e.keyCode || -1;
if ((pressedKey >= this.charMin && pressedKey <= 90) || pressedKey == 32) {
return false;
}
},
_change: function(e, target) {
var col;
target = target || e.target;
if (target.parentNode.className.indexOf('-hex') > 0) {
this.color = col = this._HexToHSB(this.value);
this._fillRGBFields(col.color);
this._fillHSBFields(col);
} else if (target.parentNode.className.indexOf('-hsb') > 0) {
this.color = col = this._fixHSB({
h: parseInt(this.fields.eq(4).val(), 10),
s: parseInt(this.fields.eq(5).val(), 10),
b: parseInt(this.fields.eq(6).val(), 10)
});
this._fillRGBFields(col);
this._fillHexFields(col);
} else {
this.color = col = this._RGBToHSB(this._fixRGB({
r: parseInt(this.fields.eq(1).val(), 10),
g: parseInt(this.fields.eq(2).val(), 10),
b: parseInt(this.fields.eq(3).val(), 10)
}));
this._fillHexFields(col);
this._fillHSBFields(col);
}
this._setSelector(col);
this._setHue(col);
this._setNewColor(col);
this._trigger('change', e, { options: this.options, hsb: col, hex: this._HSBToHex(col), rgb: this._HSBToRGB(col) });
},
_blur: function(e) {
var col = this.color;
this._fillRGBFields(col);
this._fillHSBFields(col);
this._fillHexFields(col);
this._setHue(col);
this._setSelector(col);
this._setNewColor(col);
this.fields.parent().removeClass('ui-colorpicker-focus');
},
_focus: function(e) {
this.charMin = e.target.parentNode.className.indexOf('-hex') > 0 ? 70 : 65;
this.fields.parent().removeClass('ui-colorpicker-focus');
$(e.target.parentNode).addClass('ui-colorpicker-focus');
},
_downIncrement: function(e) {
var field = $(e.target).parent().find('input').focus(), self = this;
this.currentIncrement = {
el: $(e.target).parent().addClass('ui-colorpicker-slider'),
max: e.target.parentNode.className.indexOf('-hsb-h') > 0 ? 360 : (e.target.parentNode.className.indexOf('-hsb') > 0 ? 100 : 255),
y: e.pageY,
field: field,
val: parseInt(field.val(), 10)
};
$(document).bind('mouseup.cpSlider', function(e) { return self._upIncrement.call(self, e); });
$(document).bind('mousemove.cpSlider', function(e) { return self._moveIncrement.call(self, e); });
return false;
},
_moveIncrement: function(e) {
this.currentIncrement.field.val(Math.max(0, Math.min(this.currentIncrement.max, parseInt(this.currentIncrement.val + e.pageY - this.currentIncrement.y, 10))));
this._change.apply(this, [e, this.currentIncrement.field.get(0)]);
return false;
},
_upIncrement: function(e) {
this.currentIncrement.el.removeClass('ui-colorpicker-slider').find('input').focus();
this._change.apply(this, [e, this.currentIncrement.field.get(0)]);
$(document).unbind('mouseup.cpSlider');
$(document).unbind('mousemove.cpSlider');
return false;
},
_downHue: function(e) {
this.currentHue = {
y: this.picker.find('div.ui-colorpicker-hue').offset().top
};
this._change.apply(this, [e, this
.fields
.eq(4)
.val(parseInt(360*(150 - Math.max(0,Math.min(150,(e.pageY - this.currentHue.y))))/150, 10))
.get(0)]);
var self = this;
$(document).bind('mouseup.cpSlider', function(e) { return self._upHue.call(self, e); });
$(document).bind('mousemove.cpSlider', function(e) { return self._moveHue.call(self, e); });
return false;
},
_moveHue: function(e) {
this._change.apply(this, [e, this
.fields
.eq(4)
.val(parseInt(360*(150 - Math.max(0,Math.min(150,(e.pageY - this.currentHue.y))))/150, 10))
.get(0)]);
return false;
},
_upHue: function(e) {
$(document).unbind('mouseup.cpSlider');
$(document).unbind('mousemove.cpSlider');
return false;
},
_downSelector: function(e) {
var self = this;
this.currentSelector = {
pos: this.picker.find('div.ui-colorpicker-color').offset()
};
this._change.apply(this, [e, this
.fields
.eq(6)
.val(parseInt(100*(150 - Math.max(0,Math.min(150,(e.pageY - this.currentSelector.pos.top))))/150, 10))
.end()
.eq(5)
.val(parseInt(100*(Math.max(0,Math.min(150,(e.pageX - this.currentSelector.pos.left))))/150, 10))
.get(0)
]);
$(document).bind('mouseup.cpSlider', function(e) { return self._upSelector.call(self, e); });
$(document).bind('mousemove.cpSlider', function(e) { return self._moveSelector.call(self, e); });
return false;
},
_moveSelector: function(e) {
this._change.apply(this, [e, this
.fields
.eq(6)
.val(parseInt(100*(150 - Math.max(0,Math.min(150,(e.pageY - this.currentSelector.pos.top))))/150, 10))
.end()
.eq(5)
.val(parseInt(100*(Math.max(0,Math.min(150,(e.pageX - this.currentSelector.pos.left))))/150, 10))
.get(0)
]);
return false;
},
_upSelector: function(e) {
$(document).unbind('mouseup.cpSlider');
$(document).unbind('mousemove.cpSlider');
return false;
},
_enterSubmit: function(e) {
this.picker.find('div.ui-colorpicker-submit').addClass('ui-colorpicker-focus');
},
_leaveSubmit: function(e) {
this.picker.find('div.ui-colorpicker-submit').removeClass('ui-colorpicker-focus');
},
_clickSubmit: function(e) {
var col = this.color;
this.origColor = col;
this._setCurrentColor(col);
this._trigger("submit", e, { options: this.options, hsb: col, hex: this._HSBToHex(col), rgb: this._HSBToRGB(col) });
return false;
},
_show: function(e) {
this._trigger("beforeShow", e, { options: this.options, hsb: this.color, hex: this._HSBToHex(this.color), rgb: this._HSBToRGB(this.color) });
var pos = this.element.offset();
var viewPort = this._getScroll();
var top = pos.top + this.element[0].offsetHeight;
var left = pos.left;
if (top + 176 > viewPort.t + Math.min(viewPort.h,viewPort.ih)) {
top -= this.element[0].offsetHeight + 176;
}
if (left + 356 > viewPort.l + Math.min(viewPort.w,viewPort.iw)) {
left -= 356;
}
this.picker.css({left: left + 'px', top: top + 'px'});
if (this._trigger("show", e, { options: this.options, hsb: this.color, hex: this._HSBToHex(this.color), rgb: this._HSBToRGB(this.color) }) != false) {
this.picker.show();
}
var self = this;
$(document).bind('mousedown.colorpicker', function(e) { return self._hide.call(self, e); });
return false;
},
_hide: function(e) {
if (!this._isChildOf(this.picker[0], e.target, this.picker[0])) {
if (this._trigger("hide", e, { options: this.options, hsb: this.color, hex: this._HSBToHex(this.color), rgb: this._HSBToRGB(this.color) }) != false) {
this.picker.hide();
}
$(document).unbind('mousedown.colorpicker');
}
},
_isChildOf: function(parentEl, el, container) {
if (parentEl == el) {
return true;
}
if (parentEl.contains && !$.browser.safari) {
return parentEl.contains(el);
}
if ( parentEl.compareDocumentPosition ) {
return !!(parentEl.compareDocumentPosition(el) & 16);
}
var prEl = el.parentNode;
while(prEl && prEl != container) {
if (prEl == parentEl)
return true;
prEl = prEl.parentNode;
}
return false;
},
_getScroll: function() {
var t,l,w,h,iw,ih;
if (document.documentElement) {
t = document.documentElement.scrollTop;
l = document.documentElement.scrollLeft;
w = document.documentElement.scrollWidth;
h = document.documentElement.scrollHeight;
} else {
t = document.body.scrollTop;
l = document.body.scrollLeft;
w = document.body.scrollWidth;
h = document.body.scrollHeight;
}
iw = self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth||0;
ih = self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight||0;
return { t: t, l: l, w: w, h: h, iw: iw, ih: ih };
},
_fixHSB: function(hsb) {
return {
h: Math.min(360, Math.max(0, hsb.h)),
s: Math.min(100, Math.max(0, hsb.s)),
b: Math.min(100, Math.max(0, hsb.b))
};
},
_fixRGB: function(rgb) {
return {
r: Math.min(255, Math.max(0, rgb.r)),
g: Math.min(255, Math.max(0, rgb.g)),
b: Math.min(255, Math.max(0, rgb.b))
};
},
_HexToRGB: function (hex) {
var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16);
return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)};
},
_HexToHSB: function(hex) {
return this._RGBToHSB(this._HexToRGB(hex));
},
_RGBToHSB: function(rgb) {
var hsb = {};
hsb.b = Math.max(Math.max(rgb.r,rgb.g),rgb.b);
hsb.s = (hsb.b <= 0) ? 0 : Math.round(100*(hsb.b - Math.min(Math.min(rgb.r,rgb.g),rgb.b))/hsb.b);
hsb.b = Math.round((hsb.b /255)*100);
if((rgb.r==rgb.g) && (rgb.g==rgb.b)) hsb.h = 0;
else if(rgb.r>=rgb.g && rgb.g>=rgb.b) hsb.h = 60*(rgb.g-rgb.b)/(rgb.r-rgb.b);
else if(rgb.g>=rgb.r && rgb.r>=rgb.b) hsb.h = 60 + 60*(rgb.g-rgb.r)/(rgb.g-rgb.b);
else if(rgb.g>=rgb.b && rgb.b>=rgb.r) hsb.h = 120 + 60*(rgb.b-rgb.r)/(rgb.g-rgb.r);
else if(rgb.b>=rgb.g && rgb.g>=rgb.r) hsb.h = 180 + 60*(rgb.b-rgb.g)/(rgb.b-rgb.r);
else if(rgb.b>=rgb.r && rgb.r>=rgb.g) hsb.h = 240 + 60*(rgb.r-rgb.g)/(rgb.b-rgb.g);
else if(rgb.r>=rgb.b && rgb.b>=rgb.g) hsb.h = 300 + 60*(rgb.r-rgb.b)/(rgb.r-rgb.g);
else hsb.h = 0;
hsb.h = Math.round(hsb.h);
return hsb;
},
_HSBToRGB: function(hsb) {
var rgb = {};
var h = Math.round(hsb.h);
var s = Math.round(hsb.s*255/100);
var v = Math.round(hsb.b*255/100);
if(s == 0) {
rgb.r = rgb.g = rgb.b = v;
} else {
var t1 = v;
var t2 = (255-s)*v/255;
var t3 = (t1-t2)*(h%60)/60;
if(h==360) h = 0;
if(h<60) {rgb.r=t1; rgb.b=t2; rgb.g=t2+t3;}
else if(h<120) {rgb.g=t1; rgb.b=t2; rgb.r=t1-t3;}
else if(h<180) {rgb.g=t1; rgb.r=t2; rgb.b=t2+t3;}
else if(h<240) {rgb.b=t1; rgb.r=t2; rgb.g=t1-t3;}
else if(h<300) {rgb.b=t1; rgb.g=t2; rgb.r=t2+t3;}
else if(h<360) {rgb.r=t1; rgb.g=t2; rgb.b=t1-t3;}
else {rgb.r=0; rgb.g=0; rgb.b=0;}
}
return {r:Math.round(rgb.r), g:Math.round(rgb.g), b:Math.round(rgb.b)};
},
_RGBToHex: function(rgb) {
var hex = [
rgb.r.toString(16),
rgb.g.toString(16),
rgb.b.toString(16)
];
$.each(hex, function (nr, val) {
if (val.length == 1) {
hex[nr] = '0' + val;
}
});
return hex.join('');
},
_HSBToHex: function(hsb) {
return this._RGBToHex(this._HSBToRGB(hsb));
},
setColor: function(col) {
if (typeof col == 'string') {
col = this._HexToHSB(col);
} else if (col.r != undefined && col.g != undefined && col.b != undefined) {
col = this._RGBToHSB(col);
} else if (col.h != undefined && col.s != undefined && col.b != undefined) {
col = this._fixHSB(col);
} else {
return this;
}
this.color = col;
this.origColor = col;
this._fillRGBFields(col);
this._fillHSBFields(col);
this._fillHexFields(col);
this._setHue(col);
this._setSelector(col);
this._setCurrentColor(col);
this._setNewColor(col);
}
});
$.extend($.ui.colorpicker, {
defaults: {
eventName: 'click',
color: 'ff0000',
flat: false
}
});
})(jQuery);