-// $Id: farbtastic.js,v 1.2 2007/01/08 22:53:01 unconed Exp $
-// Farbtastic 1.2
-
-var farbtastic_click = false;
-
-jQuery.fn.farbtastic = function (callback) {
- jQuery.farbtastic(this, callback);
+/*!
+ * Farbtastic: jQuery color picker plug-in v1.3u
+ *
+ * Licensed under the GPL license:
+ * http://www.gnu.org/licenses/gpl.html
+ */
+(function($) {
+
+$.fn.farbtastic = function (options) {
+ $.farbtastic(this, options);
return this;
};
-jQuery.farbtastic = function (container, callback) {
- var container = jQuery(container).get(0);
- return container.farbtastic || (container.farbtastic = new jQuery._farbtastic(container, callback));
-}
+$.farbtastic = function (container, callback) {
+ var container = $(container).get(0);
+ return container.farbtastic || (container.farbtastic = new $._farbtastic(container, callback));
+};
-jQuery._farbtastic = function (container, callback) {
+$._farbtastic = function (container, callback) {
// Store farbtastic object
var fb = this;
// Insert markup
-
jQuery(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');
- var e = jQuery('.farbtastic', container);
- fb.wheel = jQuery('.wheel', container).get(0);
+
$(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');
+ var e = $('.farbtastic', container);
+ fb.wheel = $('.wheel', container).get(0);
// Dimensions
fb.radius = 84;
fb.square = 100;
// Fix background PNGs in IE6
if (navigator.appVersion.match(/MSIE [0-6]\./)) {
- jQuery('*', e).each(function () {
+ $('*', e).each(function () {
if (this.currentStyle.backgroundImage != 'none') {
var image = this.currentStyle.backgroundImage;
image = this.currentStyle.backgroundImage.substring(5, image.length - 2);
- jQuery(this).css({
+ $(this).css({
'backgroundImage': 'none',
'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')"
});
fb.linkTo = function (callback) {
// Unbind previous nodes
if (typeof fb.callback == 'object') {
- jQuery(fb.callback).unbind('keyup', fb.updateValue);
+ $(fb.callback).unbind('keyup', fb.updateValue);
}
// Reset color
fb.callback = callback;
}
else if (typeof callback == 'object' || typeof callback == 'string') {
- fb.callback = jQuery(callback);
+ fb.callback = $(callback);
fb.callback.bind('keyup', fb.updateValue);
if (fb.callback.get(0).value) {
fb.setColor(fb.callback.get(0).value);
}
}
return this;
- }
+ };
fb.updateValue = function (event) {
if (this.value && this.value != fb.color) {
fb.setColor(this.value);
}
- }
+ };
/**
* Change color with HTML syntax #123456
fb.updateDisplay();
}
return this;
- }
+ };
/**
* Change color with HSL triplet [0..1, 0..1, 0..1]
fb.color = fb.pack(fb.rgb);
fb.updateDisplay();
return this;
- }
+ };
/////////////////////////////////////////////////////
* of the widget.
*/
fb.widgetCoords = function (event) {
- var x, y;
- var el = event.target || event.srcElement;
- var reference = fb.wheel;
-
- if (typeof event.offsetX != 'undefined') {
- // Use offset coordinates and find common offsetParent
- var pos = { x: event.offsetX, y: event.offsetY };
-
- // Send the coordinates upwards through the offsetParent chain.
- var e = el;
- while (e) {
- e.mouseX = pos.x;
- e.mouseY = pos.y;
- pos.x += e.offsetLeft;
- pos.y += e.offsetTop;
- e = e.offsetParent;
- }
-
- // Look for the coordinates starting from the wheel widget.
- var e = reference;
- var offset = { x: 0, y: 0 }
- while (e) {
- if (typeof e.mouseX != 'undefined') {
- x = e.mouseX - offset.x;
- y = e.mouseY - offset.y;
- break;
- }
- offset.x += e.offsetLeft;
- offset.y += e.offsetTop;
- e = e.offsetParent;
- }
-
- // Reset stored coordinates
- e = el;
- while (e) {
- e.mouseX = undefined;
- e.mouseY = undefined;
- e = e.offsetParent;
- }
- }
- else {
- // Use absolute coordinates
- var pos = fb.absolutePosition(reference);
- x = (event.pageX || 0*(event.clientX + jQuery('html').get(0).scrollLeft)) - pos.x;
- y = (event.pageY || 0*(event.clientY + jQuery('html').get(0).scrollTop)) - pos.y;
- }
- // Subtract distance to middle
- return { x: x - fb.width / 2, y: y - fb.width / 2 };
- }
+ var offset = $(fb.wheel).offset();
+ return { x: (event.pageX - offset.left) - fb.width / 2, y: (event.pageY - offset.top) - fb.width / 2 };
+ };
/**
* Mousedown handler
*/
fb.mousedown = function (event) {
- farbtastic_click = true;
// Capture mouse
if (!document.dragging) {
- jQuery(document).bind('mousemove', fb.mousemove).bind('mouseup', fb.mouseup);
+ $(document).bind('mousemove', fb.mousemove).bind('mouseup', fb.mouseup);
document.dragging = true;
}
// Process
fb.mousemove(event);
return false;
- }
+ };
/**
* Mousemove handler
fb.setHSL([fb.hsl[0], sat, lum]);
}
return false;
- }
+ };
/**
* Mouseup handler
*/
fb.mouseup = function () {
// Uncapture mouse
- farbtastic_click = false;
- jQuery(document).unbind('mousemove', fb.mousemove);
- jQuery(document).unbind('mouseup', fb.mouseup);
+ $(document).unbind('mousemove', fb.mousemove);
+ $(document).unbind('mouseup', fb.mouseup);
document.dragging = false;
- }
+ };
/**
* Update the markers and styles
fb.updateDisplay = function () {
// Markers
var angle = fb.hsl[0] * 6.28;
- jQuery('.h-marker', e).css({
+ $('.h-marker', e).css({
left: Math.round(Math.sin(angle) * fb.radius + fb.width / 2) + 'px',
top: Math.round(-Math.cos(angle) * fb.radius + fb.width / 2) + 'px'
});
- jQuery('.sl-marker', e).css({
+ $('.sl-marker', e).css({
left: Math.round(fb.square * (.5 - fb.hsl[1]) + fb.width / 2) + 'px',
top: Math.round(fb.square * (.5 - fb.hsl[2]) + fb.width / 2) + 'px'
});
// Saturation/Luminance gradient
- jQuery('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5])));
+ $('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5])));
// Linked elements or callback
if (typeof fb.callback == 'object') {
// Set background/foreground color
- jQuery(fb.callback).css({
+ $(fb.callback).css({
backgroundColor: fb.color,
color: fb.hsl[2] > 0.5 ? '#000' : '#fff'
});
// Change linked value
- jQuery(fb.callback).each(function() {
+ $(fb.callback).each(function() {
if (this.value && this.value != fb.color) {
this.value = fb.color;
}
else if (typeof fb.callback == 'function') {
fb.callback.call(fb, fb.color);
}
- }
-
- /**
- * Get absolute position of element
- */
- fb.absolutePosition = function (el) {
- var r = { x: el.offsetLeft, y: el.offsetTop };
- // Resolve relative to offsetParent
- if (el.offsetParent) {
- var tmp = fb.absolutePosition(el.offsetParent);
- r.x += tmp.x;
- r.y += tmp.y;
- }
- return r;
};
/* Various color utility functions */
return '#' + (r < 16 ? '0' : '') + r.toString(16) +
(g < 16 ? '0' : '') + g.toString(16) +
(b < 16 ? '0' : '') + b.toString(16);
- }
+ };
fb.unpack = function (color) {
if (color.length == 7) {
parseInt('0x' + color.substring(2, 3)) / 15,
parseInt('0x' + color.substring(3, 4)) / 15];
}
- }
+ };
fb.HSLToRGB = function (hsl) {
var m1, m2, r, g, b;
return [this.hueToRGB(m1, m2, h+0.33333),
this.hueToRGB(m1, m2, h),
this.hueToRGB(m1, m2, h-0.33333)];
- }
+ };
fb.hueToRGB = function (m1, m2, h) {
h = (h < 0) ? h + 1 : ((h > 1) ? h - 1 : h);
if (h * 2 < 1) return m2;
if (h * 3 < 2) return m1 + (m2 - m1) * (0.66666 - h) * 6;
return m1;
- }
+ };
fb.RGBToHSL = function (rgb) {
var min, max, delta, h, s, l;
h /= 6;
}
return [h, s, l];
- }
+ };
// Install mousedown handler (the others are set on the document on-demand)
- jQuery('*', e).mousedown(fb.mousedown);
+ $('*', e).mousedown(fb.mousedown);
// Init color
fb.setColor('#000000');
if (callback) {
fb.linkTo(callback);
}
-}
\ No newline at end of file
+};
+
+})(jQuery);
\ No newline at end of file
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