friendica-addons/dav/colorpicker/jquery.colorPicker.js
2012-06-03 18:19:28 +00:00

307 lines
10 KiB
JavaScript

/**
* Really Simple Color Picker in jQuery
*
* Licensed under the MIT (MIT-LICENSE.txt) licenses.
*
* Copyright (c) 2008 Lakshan Perera (www.laktek.com)
* Daniel Lacy (daniellacy.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
(function ($) {
/**
* Create a couple private variables.
**/
var selectorOwner,
activePalette,
cItterate = 0,
templates = {
control : $('<div class="colorPicker-picker">&nbsp;</div>'),
palette : $('<div id="colorPicker_palette" class="colorPicker-palette" />'),
swatch : $('<div class="colorPicker-swatch">&nbsp;</div>'),
hexLabel: $('<label for="colorPicker_hex">Hex</label>'),
hexField: $('<input type="text" id="colorPicker_hex" />')
},
transparent = "transparent",
lastColor;
/**
* Create our colorPicker function
**/
$.fn.colorPicker = function (options) {
return this.each(function () {
// Setup time. Clone new elements from our templates, set some IDs, make shortcuts, jazzercise.
var element = $(this),
opts = $.extend({}, $.fn.colorPicker.defaults, options),
defaultColor = $.fn.colorPicker.toHex(
(element.val().length > 0) ? element.val() : opts.pickerDefault
),
newControl = templates.control.clone(),
newPalette = templates.palette.clone().attr('id', 'colorPicker_palette-' + cItterate),
newHexLabel = templates.hexLabel.clone(),
newHexField = templates.hexField.clone(),
paletteId = newPalette[0].id,
swatch;
/**
* Build a color palette.
**/
$.each(opts.colors, function (i) {
swatch = templates.swatch.clone();
if (opts.colors[i] === transparent) {
swatch.addClass(transparent).text('X');
$.fn.colorPicker.bindPalette(newHexField, swatch, transparent);
} else {
swatch.css("background-color", "#" + this);
$.fn.colorPicker.bindPalette(newHexField, swatch);
}
swatch.appendTo(newPalette);
});
newHexLabel.attr('for', 'colorPicker_hex-' + cItterate);
newHexField.attr({
'id' : 'colorPicker_hex-' + cItterate,
'value' : defaultColor
});
newHexField.bind("keydown", function (event) {
if (event.keyCode === 13) {
$.fn.colorPicker.changeColor($.fn.colorPicker.toHex($(this).val()));
}
if (event.keyCode === 27) {
$.fn.colorPicker.hidePalette(paletteId);
}
});
$('<div class="colorPicker_hexWrap" />').append(newHexLabel).appendTo(newPalette);
newPalette.find('.colorPicker_hexWrap').append(newHexField);
$("body").append(newPalette);
newPalette.hide();
/**
* Build replacement interface for original color input.
**/
newControl.css("background-color", defaultColor);
newControl.bind("click", function () {
$.fn.colorPicker.togglePalette($('#' + paletteId), $(this));
});
element.after(newControl);
element.bind("change", function () {
element.next(".colorPicker-picker").css(
"background-color", $.fn.colorPicker.toHex($(this).val())
);
});
// Hide the original input.
element.val(defaultColor).hide();
cItterate++;
});
};
/**
* Extend colorPicker with... all our functionality.
**/
$.extend(true, $.fn.colorPicker, {
/**
* Return a Hex color, convert an RGB value and return Hex, or return false.
*
* Inspired by http://code.google.com/p/jquery-color-utils
**/
toHex : function (color) {
// If we have a standard or shorthand Hex color, return that value.
if (color.match(/[0-9A-F]{6}|[0-9A-F]{3}$/i)) {
return (color.charAt(0) === "#") ? color : ("#" + color);
// Alternatively, check for RGB color, then convert and return it as Hex.
} else if (color.match(/^rgb\(\s*(\d{1,3})\s*,\s*(\d{1,3})\s*,\s*(\d{1,3})\s*\)$/)) {
var c = ([parseInt(RegExp.$1, 10), parseInt(RegExp.$2, 10), parseInt(RegExp.$3, 10)]),
pad = function (str) {
if (str.length < 2) {
for (var i = 0, len = 2 - str.length; i < len; i++) {
str = '0' + str;
}
}
return str;
};
if (c.length === 3) {
var r = pad(c[0].toString(16)),
g = pad(c[1].toString(16)),
b = pad(c[2].toString(16));
return '#' + r + g + b;
}
// Otherwise we wont do anything.
} else {
return false;
}
},
/**
* Check whether user clicked on the selector or owner.
**/
checkMouse : function (event, paletteId) {
var selector = activePalette,
selectorParent = $(event.target).parents("#" + selector.attr('id')).length;
if (event.target === $(selector)[0] || event.target === selectorOwner || selectorParent > 0) {
return;
}
$.fn.colorPicker.hidePalette();
},
/**
* Hide the color palette modal.
**/
hidePalette : function (paletteId) {
$(document).unbind("mousedown", $.fn.colorPicker.checkMouse);
$('.colorPicker-palette').hide();
},
/**
* Show the color palette modal.
**/
showPalette : function (palette) {
var hexColor = selectorOwner.prev("input").val();
palette.css({
top: selectorOwner.offset().top + (selectorOwner.outerHeight()),
left: selectorOwner.offset().left
});
$("#color_value").val(hexColor);
palette.show();
$(document).bind("mousedown", $.fn.colorPicker.checkMouse);
},
/**
* Toggle visibility of the colorPicker palette.
**/
togglePalette : function (palette, origin) {
// selectorOwner is the clicked .colorPicker-picker.
if (origin) {
selectorOwner = origin;
}
activePalette = palette;
if (activePalette.is(':visible')) {
$.fn.colorPicker.hidePalette();
} else {
$.fn.colorPicker.showPalette(palette);
}
},
/**
* Update the input with a newly selected color.
**/
changeColor : function (value) {
selectorOwner.css("background-color", value);
selectorOwner.prev("input").val(value).change();
$.fn.colorPicker.hidePalette();
},
/**
* Bind events to the color palette swatches.
*/
bindPalette : function (paletteInput, element, color) {
color = color ? color : $.fn.colorPicker.toHex(element.css("background-color"));
element.bind({
click : function (ev) {
lastColor = color;
$.fn.colorPicker.changeColor(color);
},
mouseover : function (ev) {
lastColor = paletteInput.val();
$(this).css("border-color", "#598FEF");
paletteInput.val(color);
},
mouseout : function (ev) {
$(this).css("border-color", "#000");
paletteInput.val(selectorOwner.css("background-color"));
paletteInput.val(lastColor);
}
});
}
});
/**
* Default colorPicker options.
*
* These are publibly available for global modification using a setting such as:
*
* $.fn.colorPicker.defaults.colors = ['151337', '111111']
*
* They can also be applied on a per-bound element basis like so:
*
* $('#element1').colorPicker({pickerDefault: 'efefef', transparency: true});
* $('#element2').colorPicker({pickerDefault: '333333', colors: ['333333', '111111']});
*
**/
$.fn.colorPicker.defaults = {
// colorPicker default selected color.
pickerDefault : "FFFFFF",
// Default color set.
colors : [
'000000', '993300', '333300', '000080', '333399', '333333', '800000', 'FF6600',
'808000', '008000', '008080', '0000FF', '666699', '808080', 'FF0000', 'FF9900',
'99CC00', '339966', '33CCCC', '3366FF', '800080', '999999', 'FF00FF', 'FFCC00',
'FFFF00', '00FF00', '00FFFF', '00CCFF', '993366', 'C0C0C0', 'FF99CC', 'FFCC99',
'FFFF99', 'CCFFFF', '99CCFF', 'FFFFFF'
],
// If we want to simply add more colors to the default set, use addColors.
addColors : []
};
})(jQuery);