517 lines
20 KiB
JavaScript
517 lines
20 KiB
JavaScript
// License: LGPL-3.0-or-later
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/*
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colpick Color Picker
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Copyright 2013 Jose Vargas. Licensed under GPL license. Based on Stefan Petre's Color Picker www.eyecon.ro, dual licensed under the MIT and GPL licenses
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For usage and examples: colpick.com/plugin
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*/
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var colpick = function () {
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var
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tpl = '<div class="colpick"><div class="colpick_color"><div class="colpick_color_overlay1"><div class="colpick_color_overlay2"><div class="colpick_selector_outer"><div class="colpick_selector_inner"></div></div></div></div></div><div class="colpick_hue"><div class="colpick_hue_arrs"><div class="colpick_hue_larr"></div><div class="colpick_hue_rarr"></div></div></div><div class="colpick_new_color"></div><div class="colpick_current_color"></div><div class="colpick_hex_field"><div class="colpick_field_letter">#</div><input type="text" maxlength="6" size="6" /></div><div class="colpick_rgb_r colpick_field"><div class="colpick_field_letter">R</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_rgb_g colpick_field"><div class="colpick_field_letter">G</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_rgb_b colpick_field"><div class="colpick_field_letter">B</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsb_h colpick_field"><div class="colpick_field_letter">H</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsb_s colpick_field"><div class="colpick_field_letter">S</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsb_b colpick_field"><div class="colpick_field_letter">B</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_submit"></div></div>',
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defaults = {
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showEvent: '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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colorScheme: 'light',
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color: '3289c7',
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livePreview: true,
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flat: false,
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layout: 'full',
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submit: 1,
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submitText: 'OK',
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height: 156
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},
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//Fill the inputs of the plugin
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fillRGBFields = function (hsb, cal) {
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var rgb = hsbToRgb(hsb);
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$(cal).data('colpick').fields
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.eq(1).val(rgb.r).end()
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.eq(2).val(rgb.g).end()
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.eq(3).val(rgb.b).end();
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},
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fillHSBFields = function (hsb, cal) {
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$(cal).data('colpick').fields
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.eq(4).val(Math.round(hsb.h)).end()
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.eq(5).val(Math.round(hsb.s)).end()
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.eq(6).val(Math.round(hsb.b)).end();
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},
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fillHexFields = function (hsb, cal) {
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$(cal).data('colpick').fields.eq(0).val(hsbToHex(hsb));
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},
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//Set the round selector position
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setSelector = function (hsb, cal) {
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$(cal).data('colpick').selector.css('backgroundColor', '#' + hsbToHex({h: hsb.h, s: 100, b: 100}));
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$(cal).data('colpick').selectorIndic.css({
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left: parseInt($(cal).data('colpick').height * hsb.s/100, 10),
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top: parseInt($(cal).data('colpick').height * (100-hsb.b)/100, 10)
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});
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},
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//Set the hue selector position
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setHue = function (hsb, cal) {
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$(cal).data('colpick').hue.css('top', parseInt($(cal).data('colpick').height - $(cal).data('colpick').height * hsb.h/360, 10));
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},
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//Set current and new colors
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setCurrentColor = function (hsb, cal) {
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$(cal).data('colpick').currentColor.css('backgroundColor', '#' + hsbToHex(hsb));
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},
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setNewColor = function (hsb, cal) {
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$(cal).data('colpick').newColor.css('backgroundColor', '#' + hsbToHex(hsb));
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},
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//Called when the new color is changed
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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('colpick').color = col = hexToHsb(fixHex(this.value));
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fillRGBFields(col, cal.get(0));
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fillHSBFields(col, cal.get(0));
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} else if (this.parentNode.className.indexOf('_hsb') > 0) {
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cal.data('colpick').color = col = fixHSB({
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h: parseInt(cal.data('colpick').fields.eq(4).val(), 10),
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s: parseInt(cal.data('colpick').fields.eq(5).val(), 10),
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b: parseInt(cal.data('colpick').fields.eq(6).val(), 10)
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});
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fillRGBFields(col, cal.get(0));
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fillHexFields(col, cal.get(0));
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} else {
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cal.data('colpick').color = col = rgbToHsb(fixRGB({
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r: parseInt(cal.data('colpick').fields.eq(1).val(), 10),
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g: parseInt(cal.data('colpick').fields.eq(2).val(), 10),
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b: parseInt(cal.data('colpick').fields.eq(3).val(), 10)
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}));
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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('colpick').onChange.apply(cal.parent(), [col, hsbToHex(col), hsbToRgb(col), cal.data('colpick').el, 0]);
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},
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//Change style on blur and on focus of inputs
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blur = function (ev) {
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$(this).parent().removeClass('colpick_focus');
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},
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focus = function () {
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$(this).parent().parent().data('colpick').fields.parent().removeClass('colpick_focus');
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$(this).parent().addClass('colpick_focus');
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},
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//Increment/decrement arrows functions
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downIncrement = function (ev) {
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ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
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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('colpick_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: $(this).parent().parent().data('colpick').livePreview
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};
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$(document).mouseup(current, upIncrement);
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$(document).mousemove(current, moveIncrement);
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},
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moveIncrement = function (ev) {
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ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val - ev.pageY + ev.data.y, 10))));
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if (ev.data.preview) {
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change.apply(ev.data.field.get(0), [true]);
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}
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return false;
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},
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upIncrement = function (ev) {
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change.apply(ev.data.field.get(0), [true]);
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ev.data.el.removeClass('colpick_slider').find('input').focus();
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$(document).off('mouseup', upIncrement);
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$(document).off('mousemove', moveIncrement);
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return false;
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},
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//Hue slider functions
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downHue = function (ev) {
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ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
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var current = {
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cal: $(this).parent(),
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y: $(this).offset().top
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};
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$(document).on('mouseup touchend',current,upHue);
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$(document).on('mousemove touchmove',current,moveHue);
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var pageY = ((ev.type == 'touchstart') ? ev.originalEvent.changedTouches[0].pageY : ev.pageY );
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change.apply(
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current.cal.data('colpick')
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.fields.eq(4).val(parseInt(360*(current.cal.data('colpick').height - (pageY - current.y))/current.cal.data('colpick').height, 10))
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.get(0),
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[current.cal.data('colpick').livePreview]
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);
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return false;
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},
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moveHue = function (ev) {
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var pageY = ((ev.type == 'touchmove') ? ev.originalEvent.changedTouches[0].pageY : ev.pageY );
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change.apply(
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ev.data.cal.data('colpick')
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.fields.eq(4).val(parseInt(360*(ev.data.cal.data('colpick').height - Math.max(0,Math.min(ev.data.cal.data('colpick').height,(pageY - ev.data.y))))/ev.data.cal.data('colpick').height, 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('colpick').color, ev.data.cal.get(0));
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fillHexFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
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$(document).off('mouseup touchend',upHue);
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$(document).off('mousemove touchmove',moveHue);
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return false;
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},
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//Color selector functions
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downSelector = function (ev) {
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ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
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var current = {
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cal: $(this).parent(),
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pos: $(this).offset()
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};
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current.preview = current.cal.data('colpick').livePreview;
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$(document).on('mouseup touchend',current,upSelector);
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$(document).on('mousemove touchmove',current,moveSelector);
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if(ev.type == 'touchstart') {
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var pageX = ev.originalEvent.changedTouches[0].pageX;
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var pageY = ev.originalEvent.changedTouches[0].pageY;
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} else {
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var pageX = ev.pageX;
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var pageY = ev.pageY;
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}
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change.apply(
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current.cal.data('colpick').fields
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.eq(6).val(parseInt(100*(current.cal.data('colpick').height - (pageY - current.pos.top))/current.cal.data('colpick').height, 10)).end()
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.eq(5).val(parseInt(100*(pageX - current.pos.left)/current.cal.data('colpick').height, 10))
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.get(0),
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[current.preview]
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);
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return false;
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},
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moveSelector = function (ev) {
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if(ev.type == 'touchmove') {
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var pageX = ev.originalEvent.changedTouches[0].pageX;
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var pageY = ev.originalEvent.changedTouches[0].pageY;
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} else {
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var pageX = ev.pageX;
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var pageY = ev.pageY;
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}
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change.apply(
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ev.data.cal.data('colpick').fields
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.eq(6).val(parseInt(100*(ev.data.cal.data('colpick').height - Math.max(0,Math.min(ev.data.cal.data('colpick').height,(pageY - ev.data.pos.top))))/ev.data.cal.data('colpick').height, 10)).end()
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.eq(5).val(parseInt(100*(Math.max(0,Math.min(ev.data.cal.data('colpick').height,(pageX - ev.data.pos.left))))/ev.data.cal.data('colpick').height, 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('colpick').color, ev.data.cal.get(0));
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fillHexFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
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$(document).off('mouseup touchend',upSelector);
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$(document).off('mousemove touchmove',moveSelector);
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return false;
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},
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//Submit button
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clickSubmit = function (ev) {
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var cal = $(this).parent();
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var col = cal.data('colpick').color;
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cal.data('colpick').origColor = col;
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setCurrentColor(col, cal.get(0));
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cal.data('colpick').onSubmit(col, hsbToHex(col), hsbToRgb(col), cal.data('colpick').el);
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},
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//Show/hide the color picker
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show = function (ev) {
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// Prevent the trigger of any direct parent
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ev.stopPropagation();
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var cal = $('#' + $(this).data('colpickId'));
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cal.data('colpick').onBeforeShow.apply(this, [cal.get(0)]);
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var pos = $(this).offset();
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var top = pos.top + this.offsetHeight;
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var left = pos.left;
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var viewPort = getViewport();
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var calW = cal.width();
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if (left + calW > viewPort.l + viewPort.w) {
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left -= calW;
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}
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cal.css({left: left + 'px', top: top + 'px'});
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if (cal.data('colpick').onShow.apply(this, [cal.get(0)]) != false) {
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cal.show();
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}
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//Hide when user clicks outside
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$('html').mousedown({cal:cal}, hide);
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cal.mousedown(function(ev){ev.stopPropagation();})
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},
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hide = function (ev) {
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if (ev.data.cal.data('colpick').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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$('html').off('mousedown', hide);
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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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w : window.innerWidth || (m ? document.documentElement.clientWidth : document.body.clientWidth)
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};
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},
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//Fix the values if the user enters a negative or high value
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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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restoreOriginal = function () {
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var cal = $(this).parent();
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var col = cal.data('colpick').origColor;
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cal.data('colpick').color = col;
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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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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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};
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return {
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init: function (opt) {
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opt = $.extend({}, defaults, opt||{});
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//Set color
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if (typeof opt.color == 'string') {
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opt.color = hexToHsb(opt.color);
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} else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
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opt.color = rgbToHsb(opt.color);
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} else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
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opt.color = fixHSB(opt.color);
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} else {
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return this;
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}
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//For each selected DOM element
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return this.each(function () {
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//If the element does not have an ID
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if (!$(this).data('colpickId')) {
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var options = $.extend({}, opt);
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options.origColor = opt.color;
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//Generate and assign a random ID
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var id = 'collorpicker_' + parseInt(Math.random() * 1000);
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$(this).data('colpickId', id);
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//Set the tpl's ID and get the HTML
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var cal = $(tpl).attr('id', id);
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//Add class according to layout
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cal.addClass('colpick_'+options.layout+(options.submit?'':' colpick_'+options.layout+'_ns'));
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//Add class if the color scheme is not default
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if(options.colorScheme != 'light') {
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cal.addClass('colpick_'+options.colorScheme);
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}
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//Setup submit button
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cal.find('div.colpick_submit').html(options.submitText).click(clickSubmit);
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//Setup input fields
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options.fields = cal.find('input').change(change).blur(blur).focus(focus);
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cal.find('div.colpick_field_arrs').mousedown(downIncrement).end().find('div.colpick_current_color').click(restoreOriginal);
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//Setup hue selector
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options.selector = cal.find('div.colpick_color').on('mousedown touchstart',downSelector);
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options.selectorIndic = options.selector.find('div.colpick_selector_outer');
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//Store parts of the plugin
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options.el = this;
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options.hue = cal.find('div.colpick_hue_arrs');
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var huebar = options.hue.parent();
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//Paint the hue bar
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var UA = navigator.userAgent.toLowerCase();
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var isIE = navigator.appName === 'Microsoft Internet Explorer';
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var IEver = isIE ? parseFloat( UA.match( /msie ([0-9]{1,}[\.0-9]{0,})/ )[1] ) : 0;
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var ngIE = ( isIE && IEver < 10 );
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var stops = ['#ff0000','#ff0080','#ff00ff','#8000ff','#0000ff','#0080ff','#00ffff','#00ff80','#00ff00','#80ff00','#ffff00','#ff8000','#ff0000'];
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if(ngIE) {
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var i, div;
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for(i=0; i<=11; i++) {
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div = $('<div></div>').attr('style','height:8.333333%; filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='+stops[i]+', endColorstr='+stops[i+1]+'); -ms-filter: "progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr='+stops[i]+', endColorstr='+stops[i+1]+')";');
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huebar.append(div);
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}
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} else {
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var stopList = stops.join(',');
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huebar.attr('style','background:-webkit-linear-gradient(top,'+stopList+'); background: -o-linear-gradient(top,'+stopList+'); background: -ms-linear-gradient(top,'+stopList+'); background:-moz-linear-gradient(top,'+stopList+'); -webkit-linear-gradient(top,'+stopList+'); background:linear-gradient(to bottom,'+stopList+'); ');
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}
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cal.find('div.colpick_hue').on('mousedown touchstart',downHue);
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options.newColor = cal.find('div.colpick_new_color');
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options.currentColor = cal.find('div.colpick_current_color');
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//Store options and fill with default color
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cal.data('colpick', options);
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fillRGBFields(options.color, cal.get(0));
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fillHSBFields(options.color, cal.get(0));
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fillHexFields(options.color, cal.get(0));
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setHue(options.color, cal.get(0));
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setSelector(options.color, cal.get(0));
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setCurrentColor(options.color, cal.get(0));
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setNewColor(options.color, cal.get(0));
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//Append to body if flat=false, else show in place
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if (options.flat) {
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cal.appendTo(this).show();
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cal.css({
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position: 'relative',
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display: 'block'
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});
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} else {
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|
cal.appendTo(document.body);
|
|
$(this).on(options.showEvent, show);
|
|
cal.css({
|
|
position:'absolute'
|
|
});
|
|
}
|
|
}
|
|
});
|
|
},
|
|
//Shows the picker
|
|
showPicker: function() {
|
|
return this.each( function () {
|
|
if ($(this).data('colpickId')) {
|
|
show.apply(this);
|
|
}
|
|
});
|
|
},
|
|
//Hides the picker
|
|
hidePicker: function() {
|
|
return this.each( function () {
|
|
if ($(this).data('colpickId')) {
|
|
$('#' + $(this).data('colpickId')).hide();
|
|
}
|
|
});
|
|
},
|
|
//Sets a color as new and current (default)
|
|
setColor: function(col, setCurrent) {
|
|
setCurrent = (typeof setCurrent === "undefined") ? 1 : setCurrent;
|
|
if (typeof col == 'string') {
|
|
col = hexToHsb(col);
|
|
} else if (col.r != undefined && col.g != undefined && col.b != undefined) {
|
|
col = rgbToHsb(col);
|
|
} else if (col.h != undefined && col.s != undefined && col.b != undefined) {
|
|
col = fixHSB(col);
|
|
} else {
|
|
return this;
|
|
}
|
|
return this.each(function(){
|
|
if ($(this).data('colpickId')) {
|
|
var cal = $('#' + $(this).data('colpickId'));
|
|
cal.data('colpick').color = col;
|
|
cal.data('colpick').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));
|
|
|
|
setNewColor(col, cal.get(0));
|
|
cal.data('colpick').onChange.apply(cal.parent(), [col, hsbToHex(col), hsbToRgb(col), cal.data('colpick').el, 1]);
|
|
if(setCurrent) {
|
|
setCurrentColor(col, cal.get(0));
|
|
}
|
|
}
|
|
});
|
|
}
|
|
};
|
|
}();
|
|
//Color space convertions
|
|
var 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)};
|
|
};
|
|
var hexToHsb = function (hex) {
|
|
return rgbToHsb(hexToRgb(hex));
|
|
};
|
|
var rgbToHsb = function (rgb) {
|
|
var hsb = {h: 0, s: 0, b: 0};
|
|
var min = Math.min(rgb.r, rgb.g, rgb.b);
|
|
var max = Math.max(rgb.r, rgb.g, rgb.b);
|
|
var delta = max - min;
|
|
hsb.b = max;
|
|
hsb.s = max != 0 ? 255 * delta / max : 0;
|
|
if (hsb.s != 0) {
|
|
if (rgb.r == max) hsb.h = (rgb.g - rgb.b) / delta;
|
|
else if (rgb.g == max) hsb.h = 2 + (rgb.b - rgb.r) / delta;
|
|
else hsb.h = 4 + (rgb.r - rgb.g) / delta;
|
|
} else hsb.h = -1;
|
|
hsb.h *= 60;
|
|
if (hsb.h < 0) hsb.h += 360;
|
|
hsb.s *= 100/255;
|
|
hsb.b *= 100/255;
|
|
return hsb;
|
|
};
|
|
var hsbToRgb = function (hsb) {
|
|
var rgb = {};
|
|
var h = hsb.h;
|
|
var s = hsb.s*255/100;
|
|
var v = 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)};
|
|
};
|
|
var 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('');
|
|
};
|
|
var hsbToHex = function (hsb) {
|
|
return rgbToHex(hsbToRgb(hsb));
|
|
};
|
|
$.fn.extend({
|
|
colpick: colpick.init,
|
|
colpickHide: colpick.hidePicker,
|
|
colpickShow: colpick.showPicker,
|
|
colpickSetColor: colpick.setColor
|
|
});
|
|
$.extend({
|
|
colpick:{
|
|
rgbToHex: rgbToHex,
|
|
rgbToHsb: rgbToHsb,
|
|
hsbToHex: hsbToHex,
|
|
hsbToRgb: hsbToRgb,
|
|
hexToHsb: hexToHsb,
|
|
hexToRgb: hexToRgb
|
|
}
|
|
});
|