484 lines
16 KiB
JavaScript
484 lines
16 KiB
JavaScript
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/**
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*
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* Color picker
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* Author: Stefan Petre www.eyecon.ro
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*
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* Dual licensed under the MIT and GPL licenses
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*
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*/
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(function ($) {
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var ColorPicker = function () {
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var
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ids = {},
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inAction,
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charMin = 65,
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visible,
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tpl = '<div class="colorpicker"><div class="colorpicker_color"><div><div></div></div></div><div class="colorpicker_hue"><div></div></div><div class="colorpicker_new_color"></div><div class="colorpicker_current_color"></div><div class="colorpicker_hex"><input type="text" maxlength="6" size="6" /></div><div class="colorpicker_rgb_r colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_g colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_h colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_s colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_submit"></div></div>',
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defaults = {
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eventName: 'click',
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onShow: function () {},
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onBeforeShow: function(){},
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onHide: function () {},
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onChange: function () {},
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onSubmit: function () {},
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color: 'ff0000',
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livePreview: true,
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flat: false
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},
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fillRGBFields = function (hsb, cal) {
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var rgb = HSBToRGB(hsb);
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$(cal).data('colorpicker').fields
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.eq(1).val(rgb.r).end()
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.eq(2).val(rgb.g).end()
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.eq(3).val(rgb.b).end();
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},
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fillHSBFields = function (hsb, cal) {
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$(cal).data('colorpicker').fields
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.eq(4).val(hsb.h).end()
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.eq(5).val(hsb.s).end()
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.eq(6).val(hsb.b).end();
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},
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fillHexFields = function (hsb, cal) {
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$(cal).data('colorpicker').fields
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.eq(0).val(HSBToHex(hsb)).end();
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},
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setSelector = function (hsb, cal) {
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$(cal).data('colorpicker').selector.css('backgroundColor', '#' + HSBToHex({h: hsb.h, s: 100, b: 100}));
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$(cal).data('colorpicker').selectorIndic.css({
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left: parseInt(150 * hsb.s/100, 10),
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top: parseInt(150 * (100-hsb.b)/100, 10)
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});
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},
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setHue = function (hsb, cal) {
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$(cal).data('colorpicker').hue.css('top', parseInt(150 - 150 * hsb.h/360, 10));
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},
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setCurrentColor = function (hsb, cal) {
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$(cal).data('colorpicker').currentColor.css('backgroundColor', '#' + HSBToHex(hsb));
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},
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setNewColor = function (hsb, cal) {
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$(cal).data('colorpicker').newColor.css('backgroundColor', '#' + HSBToHex(hsb));
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},
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keyDown = function (ev) {
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var pressedKey = ev.charCode || ev.keyCode || -1;
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if ((pressedKey > charMin && pressedKey <= 90) || pressedKey == 32) {
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return false;
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}
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var cal = $(this).parent().parent();
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if (cal.data('colorpicker').livePreview === true) {
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change.apply(this);
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}
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},
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change = function (ev) {
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var cal = $(this).parent().parent(), col;
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if (this.parentNode.className.indexOf('_hex') > 0) {
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cal.data('colorpicker').color = col = HexToHSB(fixHex(this.value));
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} else if (this.parentNode.className.indexOf('_hsb') > 0) {
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cal.data('colorpicker').color = col = fixHSB({
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h: parseInt(cal.data('colorpicker').fields.eq(4).val(), 10),
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s: parseInt(cal.data('colorpicker').fields.eq(5).val(), 10),
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b: parseInt(cal.data('colorpicker').fields.eq(6).val(), 10)
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});
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} else {
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cal.data('colorpicker').color = col = RGBToHSB(fixRGB({
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r: parseInt(cal.data('colorpicker').fields.eq(1).val(), 10),
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g: parseInt(cal.data('colorpicker').fields.eq(2).val(), 10),
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b: parseInt(cal.data('colorpicker').fields.eq(3).val(), 10)
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}));
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}
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if (ev) {
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fillRGBFields(col, cal.get(0));
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fillHexFields(col, cal.get(0));
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fillHSBFields(col, cal.get(0));
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}
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setSelector(col, cal.get(0));
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setHue(col, cal.get(0));
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setNewColor(col, cal.get(0));
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cal.data('colorpicker').onChange.apply(cal, [col, HSBToHex(col), HSBToRGB(col)]);
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},
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blur = function (ev) {
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var cal = $(this).parent().parent();
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cal.data('colorpicker').fields.parent().removeClass('colorpicker_focus');
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},
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focus = function () {
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charMin = this.parentNode.className.indexOf('_hex') > 0 ? 70 : 65;
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$(this).parent().parent().data('colorpicker').fields.parent().removeClass('colorpicker_focus');
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$(this).parent().addClass('colorpicker_focus');
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},
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downIncrement = function (ev) {
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var field = $(this).parent().find('input').focus();
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var current = {
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el: $(this).parent().addClass('colorpicker_slider'),
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max: this.parentNode.className.indexOf('_hsb_h') > 0 ? 360 : (this.parentNode.className.indexOf('_hsb') > 0 ? 100 : 255),
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y: ev.pageY,
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field: field,
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val: parseInt(field.val(), 10),
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preview: $(this).parent().parent().data('colorpicker').livePreview
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};
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$(document).bind('mouseup', current, upIncrement);
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$(document).bind('mousemove', current, moveIncrement);
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},
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moveIncrement = function (ev) {
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ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val + ev.pageY - ev.data.y, 10))));
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if (ev.data.preview) {
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change.apply(ev.data.field.get(0), [true]);
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}
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return false;
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},
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upIncrement = function (ev) {
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change.apply(ev.data.field.get(0), [true]);
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ev.data.el.removeClass('colorpicker_slider').find('input').focus();
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$(document).unbind('mouseup', upIncrement);
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$(document).unbind('mousemove', moveIncrement);
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return false;
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},
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downHue = function (ev) {
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var current = {
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cal: $(this).parent(),
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y: $(this).offset().top
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};
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current.preview = current.cal.data('colorpicker').livePreview;
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$(document).bind('mouseup', current, upHue);
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$(document).bind('mousemove', current, moveHue);
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},
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moveHue = function (ev) {
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change.apply(
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ev.data.cal.data('colorpicker')
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.fields
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.eq(4)
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.val(parseInt(360*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.y))))/150, 10))
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.get(0),
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[ev.data.preview]
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);
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return false;
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},
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upHue = function (ev) {
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fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
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fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
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$(document).unbind('mouseup', upHue);
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$(document).unbind('mousemove', moveHue);
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return false;
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},
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downSelector = function (ev) {
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var current = {
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cal: $(this).parent(),
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pos: $(this).offset()
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};
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current.preview = current.cal.data('colorpicker').livePreview;
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$(document).bind('mouseup', current, upSelector);
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$(document).bind('mousemove', current, moveSelector);
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},
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moveSelector = function (ev) {
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change.apply(
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ev.data.cal.data('colorpicker')
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.fields
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.eq(6)
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.val(parseInt(100*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.pos.top))))/150, 10))
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.end()
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.eq(5)
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.val(parseInt(100*(Math.max(0,Math.min(150,(ev.pageX - ev.data.pos.left))))/150, 10))
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.get(0),
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[ev.data.preview]
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);
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return false;
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},
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upSelector = function (ev) {
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fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
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fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
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$(document).unbind('mouseup', upSelector);
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$(document).unbind('mousemove', moveSelector);
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return false;
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},
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enterSubmit = function (ev) {
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$(this).addClass('colorpicker_focus');
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},
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leaveSubmit = function (ev) {
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$(this).removeClass('colorpicker_focus');
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},
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clickSubmit = function (ev) {
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var cal = $(this).parent();
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var col = cal.data('colorpicker').color;
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cal.data('colorpicker').origColor = col;
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setCurrentColor(col, cal.get(0));
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cal.data('colorpicker').onSubmit(col, HSBToHex(col), HSBToRGB(col), cal.data('colorpicker').el);
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},
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show = function (ev) {
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var cal = $('#' + $(this).data('colorpickerId'));
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cal.data('colorpicker').onBeforeShow.apply(this, [cal.get(0)]);
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var pos = $(this).offset();
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var viewPort = getViewport();
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var top = pos.top + this.offsetHeight;
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var left = pos.left;
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if (top + 176 > viewPort.t + viewPort.h) {
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top -= this.offsetHeight + 176;
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}
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if (left + 356 > viewPort.l + viewPort.w) {
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left -= 356;
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}
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cal.css({left: left + 'px', top: top + 'px'});
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if (cal.data('colorpicker').onShow.apply(this, [cal.get(0)]) != false) {
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cal.show();
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}
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$(document).bind('mousedown', {cal: cal}, hide);
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return false;
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},
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hide = function (ev) {
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if (!isChildOf(ev.data.cal.get(0), ev.target, ev.data.cal.get(0))) {
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if (ev.data.cal.data('colorpicker').onHide.apply(this, [ev.data.cal.get(0)]) != false) {
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ev.data.cal.hide();
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}
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$(document).unbind('mousedown', hide);
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}
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},
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isChildOf = function(parentEl, el, container) {
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if (parentEl == el) {
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return true;
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}
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if (parentEl.contains) {
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return parentEl.contains(el);
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}
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if ( parentEl.compareDocumentPosition ) {
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return !!(parentEl.compareDocumentPosition(el) & 16);
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}
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var prEl = el.parentNode;
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while(prEl && prEl != container) {
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if (prEl == parentEl)
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return true;
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prEl = prEl.parentNode;
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}
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return false;
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},
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getViewport = function () {
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var m = document.compatMode == 'CSS1Compat';
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return {
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l : window.pageXOffset || (m ? document.documentElement.scrollLeft : document.body.scrollLeft),
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t : window.pageYOffset || (m ? document.documentElement.scrollTop : document.body.scrollTop),
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w : window.innerWidth || (m ? document.documentElement.clientWidth : document.body.clientWidth),
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h : window.innerHeight || (m ? document.documentElement.clientHeight : document.body.clientHeight)
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};
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},
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fixHSB = function (hsb) {
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return {
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h: Math.min(360, Math.max(0, hsb.h)),
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s: Math.min(100, Math.max(0, hsb.s)),
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b: Math.min(100, Math.max(0, hsb.b))
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};
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},
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fixRGB = function (rgb) {
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return {
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r: Math.min(255, Math.max(0, rgb.r)),
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g: Math.min(255, Math.max(0, rgb.g)),
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b: Math.min(255, Math.max(0, rgb.b))
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};
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},
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fixHex = function (hex) {
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var len = 6 - hex.length;
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if (len > 0) {
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var o = [];
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for (var i=0; i<len; i++) {
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o.push('0');
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}
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o.push(hex);
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hex = o.join('');
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}
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return hex;
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},
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HexToRGB = function (hex) {
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var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16);
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return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)};
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},
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HexToHSB = function (hex) {
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return RGBToHSB(HexToRGB(hex));
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},
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RGBToHSB = function (rgb) {
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var hsb = {
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h: 0,
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s: 0,
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b: 0
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};
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var min = Math.min(rgb.r, rgb.g, rgb.b);
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var max = Math.max(rgb.r, rgb.g, rgb.b);
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var delta = max - min;
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hsb.b = max;
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if (max != 0) {
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}
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hsb.s = max != 0 ? 255 * delta / max : 0;
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if (hsb.s != 0) {
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if (rgb.r == max) {
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hsb.h = (rgb.g - rgb.b) / delta;
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} else if (rgb.g == max) {
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hsb.h = 2 + (rgb.b - rgb.r) / delta;
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} else {
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hsb.h = 4 + (rgb.r - rgb.g) / delta;
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}
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} else {
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hsb.h = -1;
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}
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hsb.h *= 60;
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if (hsb.h < 0) {
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hsb.h += 360;
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}
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hsb.s *= 100/255;
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hsb.b *= 100/255;
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return hsb;
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},
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HSBToRGB = function (hsb) {
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var rgb = {};
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var h = Math.round(hsb.h);
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var s = Math.round(hsb.s*255/100);
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var v = Math.round(hsb.b*255/100);
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if(s == 0) {
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rgb.r = rgb.g = rgb.b = v;
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|
} 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 RGBToHex(HSBToRGB(hsb));
|
||
|
|
},
|
||
|
|
restoreOriginal = function () {
|
||
|
|
var cal = $(this).parent();
|
||
|
|
var col = cal.data('colorpicker').origColor;
|
||
|
|
cal.data('colorpicker').color = col;
|
||
|
|
fillRGBFields(col, cal.get(0));
|
||
|
|
fillHexFields(col, cal.get(0));
|
||
|
|
fillHSBFields(col, cal.get(0));
|
||
|
|
setSelector(col, cal.get(0));
|
||
|
|
setHue(col, cal.get(0));
|
||
|
|
setNewColor(col, cal.get(0));
|
||
|
|
};
|
||
|
|
return {
|
||
|
|
init: function (opt) {
|
||
|
|
opt = $.extend({}, defaults, opt||{});
|
||
|
|
if (typeof opt.color == 'string') {
|
||
|
|
opt.color = HexToHSB(opt.color);
|
||
|
|
} else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
|
||
|
|
opt.color = RGBToHSB(opt.color);
|
||
|
|
} else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
|
||
|
|
opt.color = fixHSB(opt.color);
|
||
|
|
} else {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
return this.each(function () {
|
||
|
|
if (!$(this).data('colorpickerId')) {
|
||
|
|
var options = $.extend({}, opt);
|
||
|
|
options.origColor = opt.color;
|
||
|
|
var id = 'collorpicker_' + parseInt(Math.random() * 1000);
|
||
|
|
$(this).data('colorpickerId', id);
|
||
|
|
var cal = $(tpl).attr('id', id);
|
||
|
|
if (options.flat) {
|
||
|
|
cal.appendTo(this).show();
|
||
|
|
} else {
|
||
|
|
cal.appendTo(document.body);
|
||
|
|
}
|
||
|
|
options.fields = cal
|
||
|
|
.find('input')
|
||
|
|
.bind('keyup', keyDown)
|
||
|
|
.bind('change', change)
|
||
|
|
.bind('blur', blur)
|
||
|
|
.bind('focus', focus);
|
||
|
|
cal
|
||
|
|
.find('span').bind('mousedown', downIncrement).end()
|
||
|
|
.find('>div.colorpicker_current_color').bind('click', restoreOriginal);
|
||
|
|
options.selector = cal.find('div.colorpicker_color').bind('mousedown', downSelector);
|
||
|
|
options.selectorIndic = options.selector.find('div div');
|
||
|
|
options.el = this;
|
||
|
|
options.hue = cal.find('div.colorpicker_hue div');
|
||
|
|
cal.find('div.colorpicker_hue').bind('mousedown', downHue);
|
||
|
|
options.newColor = cal.find('div.colorpicker_new_color');
|
||
|
|
options.currentColor = cal.find('div.colorpicker_current_color');
|
||
|
|
cal.data('colorpicker', options);
|
||
|
|
cal.find('div.colorpicker_submit')
|
||
|
|
.bind('mouseenter', enterSubmit)
|
||
|
|
.bind('mouseleave', leaveSubmit)
|
||
|
|
.bind('click', clickSubmit);
|
||
|
|
fillRGBFields(options.color, cal.get(0));
|
||
|
|
fillHSBFields(options.color, cal.get(0));
|
||
|
|
fillHexFields(options.color, cal.get(0));
|
||
|
|
setHue(options.color, cal.get(0));
|
||
|
|
setSelector(options.color, cal.get(0));
|
||
|
|
setCurrentColor(options.color, cal.get(0));
|
||
|
|
setNewColor(options.color, cal.get(0));
|
||
|
|
if (options.flat) {
|
||
|
|
cal.css({
|
||
|
|
position: 'relative',
|
||
|
|
display: 'block'
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
$(this).bind(options.eventName, show);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
showPicker: function() {
|
||
|
|
return this.each( function () {
|
||
|
|
if ($(this).data('colorpickerId')) {
|
||
|
|
show.apply(this);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
hidePicker: function() {
|
||
|
|
return this.each( function () {
|
||
|
|
if ($(this).data('colorpickerId')) {
|
||
|
|
$('#' + $(this).data('colorpickerId')).hide();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
},
|
||
|
|
setColor: function(col) {
|
||
|
|
if (typeof col == 'string') {
|
||
|
|
col = HexToHSB(col);
|
||
|
|
} else if (col.r != undefined && col.g != undefined && col.b != undefined) {
|
||
|
|
col = RGBToHSB(col);
|
||
|
|
} else if (col.h != undefined && col.s != undefined && col.b != undefined) {
|
||
|
|
col = fixHSB(col);
|
||
|
|
} else {
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
return this.each(function(){
|
||
|
|
if ($(this).data('colorpickerId')) {
|
||
|
|
var cal = $('#' + $(this).data('colorpickerId'));
|
||
|
|
cal.data('colorpicker').color = col;
|
||
|
|
cal.data('colorpicker').origColor = col;
|
||
|
|
fillRGBFields(col, cal.get(0));
|
||
|
|
fillHSBFields(col, cal.get(0));
|
||
|
|
fillHexFields(col, cal.get(0));
|
||
|
|
setHue(col, cal.get(0));
|
||
|
|
setSelector(col, cal.get(0));
|
||
|
|
setCurrentColor(col, cal.get(0));
|
||
|
|
setNewColor(col, cal.get(0));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
};
|
||
|
|
}();
|
||
|
|
$.fn.extend({
|
||
|
|
ColorPicker: ColorPicker.init,
|
||
|
|
ColorPickerHide: ColorPicker.hidePicker,
|
||
|
|
ColorPickerShow: ColorPicker.showPicker,
|
||
|
|
ColorPickerSetColor: ColorPicker.setColor
|
||
|
|
});
|
||
|
|
})(jQuery)
|