mcopy/app/src/jsColor.js

229 lines
8.5 KiB
JavaScript

(function (window) {
window.jsColorPicker = function(selectors, config) {
var renderCallback = function(colors, mode) {
var options = this,
input = options.input,
patch = options.patch,
RGB = colors.RND.rgb,
HSL = colors.RND.hsl,
AHEX = options.isIE8 ? (colors.alpha < 0.16 ? '0' : '') +
(Math.round(colors.alpha * 100)).toString(16).toUpperCase() + colors.HEX : '',
RGBInnerText = RGB.r + ', ' + RGB.g + ', ' + RGB.b,
RGBAText = 'rgba(' + RGBInnerText + ', ' + colors.alpha + ')',
isAlpha = colors.alpha !== 1 && !options.isIE8,
colorMode = input.getAttribute('data-colorMode');
patch.style.cssText =
'color:' + (colors.rgbaMixCustom.luminance > 0.22 ? '#222' : '#ddd') + ';' + // Black...???
'background-color:' + RGBAText + ';' +
'filter:' + (options.isIE8 ? 'progid:DXImageTransform.Microsoft.gradient(' + // IE<9
'startColorstr=#' + AHEX + ',' + 'endColorstr=#' + AHEX + ')' : '');
input.value = (colorMode === 'HEX' && !isAlpha ? '#' + (options.isIE8 ? AHEX : colors.HEX) :
colorMode === 'rgb' || (colorMode === 'HEX' && isAlpha) ?
(!isAlpha ? 'rgb(' + RGBInnerText + ')' : RGBAText) :
('hsl' + (isAlpha ? 'a(' : '(') + HSL.h + ', ' + HSL.s + '%, ' + HSL.l + '%' +
(isAlpha ? ', ' + colors.alpha : '') + ')')
);
if (options.displayCallback) {
options.displayCallback(colors, mode, options);
}
},
extractValue = function(elm) {
return elm.value || elm.getAttribute('value') || elm.style.backgroundColor || '#FFFFFF';
},
actionCallback = function(event, action) {
var options = this,
colorPicker = colorPickers.current;
if (action === 'toMemory') {
var memos = colorPicker.nodes.memos,
backgroundColor = '',
opacity = 0,
cookieTXT = [];
for (var n = 0, m = memos.length; n < m; n++) {
backgroundColor = memos[n].style.backgroundColor;
opacity = memos[n].style.opacity;
opacity = Math.round((opacity === '' ? 1 : opacity) * 100) / 100;
cookieTXT.push(backgroundColor.
replace(/, /g, ',').
replace('rgb(', 'rgba(').
replace(')', ',' + opacity + ')')
);
}
cookieTXT = '\'' + cookieTXT.join('\',\'') + '\'';
ColorPicker.docCookies('colorPickerMemos' + (options.noAlpha ? 'NoAlpha' : ''), cookieTXT);
} else if (action === 'resizeApp') {
ColorPicker.docCookies('colorPickerSize', colorPicker.color.options.currentSize);
} else if (action === 'modeChange') {
var mode = colorPicker.color.options.mode;
ColorPicker.docCookies('colorPickerMode', mode.type + '-' + mode.z);
}
},
createInstance = function(elm, config) {
var initConfig = {
klass: window.ColorPicker,
input: elm,
patch: elm,
isIE8: !!document.all && !document.addEventListener, // Opera???
// *** animationSpeed: 200,
// *** draggable: true,
margin: {left: -1, top: 2},
customBG: '#FFFFFF',
// displayCallback: displayCallback,
/* --- regular colorPicker options from this point --- */
color: extractValue(elm),
initStyle: 'display: block',
mode: ColorPicker.docCookies('colorPickerMode') || 'hsv-h',
// memoryColors: (function(colors, config) {
// return config.noAlpha ?
// colors.replace(/\,\d*\.*\d*\)/g, ',1)') : colors;
// })($.docCookies('colorPickerMemos'), config || {}),
memoryColors: ColorPicker.docCookies('colorPickerMemos' +
((config || {}).noAlpha ? 'NoAlpha' : '')),
size: ColorPicker.docCookies('colorPickerSize') || 1,
renderCallback: renderCallback,
actionCallback: actionCallback
};
for (var n in config) {
initConfig[n] = config[n];
}
return new initConfig.klass(initConfig);
},
doEventListeners = function(elm, multiple, off) {
var onOff = off ? 'removeEventListener' : 'addEventListener',
focusListener = function(e) {
var input = this,
position = window.ColorPicker.getOrigin(input),
index = multiple ? Array.prototype.indexOf.call(elms, this) : 0,
colorPicker = colorPickers[index] ||
(colorPickers[index] = createInstance(this, config)),
options = colorPicker.color.options,
colorPickerUI = colorPicker.nodes.colorPicker;
options.color = extractValue(elm); // brings color to default on reset
colorPickerUI.style.cssText =
'position: absolute;' +
'left:' + (position.left + options.margin.left) + 'px;' +
'top:' + (position.top + +input.offsetHeight + options.margin.top) + 'px;';
if (!multiple) {
options.input = elm;
options.patch = elm; // check again???
colorPicker.setColor(extractValue(elm), undefined, undefined, true);
colorPicker.saveAsBackground();
}
colorPickers.current = colorPickers[index];
(options.appendTo || document.body).appendChild(colorPickerUI);
setTimeout(function() { // compensating late style on onload in colorPicker
colorPickerUI.style.display = 'block';
}, 0);
},
mousDownListener = function(e) {
var colorPicker = colorPickers.current,
colorPickerUI = (colorPicker ? colorPicker.nodes.colorPicker : undefined),
animationSpeed = colorPicker ? colorPicker.color.options.animationSpeed : 0,
isColorPicker = colorPicker && (function(elm) {
while (elm) {
if ((elm.className || '').indexOf('cp-app') !== -1) return elm;
elm = elm.parentNode;
}
return false;
})(e.target),
inputIndex = Array.prototype.indexOf.call(elms, e.target);
if (isColorPicker && Array.prototype.indexOf.call(colorPickers, isColorPicker)) {
if (e.target === colorPicker.nodes.exit) {
//colorPickerUI.style.display = 'none';
//document.activeElement.blur();
} else {
// ...
}
} else if (inputIndex !== -1) {
// ...
} else if (colorPickerUI) {
//colorPickerUI.style.display = 'none';
}
};
elm[onOff]('focus', focusListener);
if (!colorPickers.evt || off) {
colorPickers.evt = true; // prevent new eventListener for window
window[onOff]('mousedown', mousDownListener);
}
},
// this is a way to prevent data binding on HTMLElements
colorPickers = window.jsColorPicker.colorPickers || [],
elms = document.querySelectorAll(selectors),
testColors = new window.Colors({customBG: config.customBG, allMixDetails: true});
window.jsColorPicker.colorPickers = colorPickers;
for (var n = 0, m = elms.length; n < m; n++) {
var elm = elms[n];
if (config === 'destroy') {
doEventListeners(elm, (config && config.multipleInstances), true);
if (colorPickers[n]) {
colorPickers[n].destroyAll();
}
} else {
var color = extractValue(elm);
var value = color.split('(');
testColors.setColor(color);
if (config && config.init) {
config.init(elm, testColors.colors);
}
elm.setAttribute('data-colorMode', value[1] ? value[0].substr(0, 3) : 'HEX');
doEventListeners(elm, (config && config.multipleInstances), false);
if (config && config.readOnly) {
elm.readOnly = true;
}
}
};
return window.jsColorPicker.colorPickers;
};
window.ColorPicker.docCookies = function(key, val, options) {
var encode = encodeURIComponent, decode = decodeURIComponent,
cookies, n, tmp, cache = {},
days;
if (val === undefined) { // all about reading cookies
cookies = document.cookie.split(/;\s*/) || [];
for (n = cookies.length; n--; ) {
tmp = cookies[n].split('=');
if (tmp[0]) cache[decode(tmp.shift())] = decode(tmp.join('=')); // there might be '='s in the value...
}
if (!key) return cache; // return Json for easy access to all cookies
else return cache[key]; // easy access to cookies from here
} else { // write/delete cookie
options = options || {};
if (val === '' || options.expires < 0) { // prepare deleteing the cookie
options.expires = -1;
// options.path = options.domain = options.secure = undefined; // to make shure the cookie gets deleted...
}
if (options.expires !== undefined) { // prepare date if any
days = new Date();
days.setDate(days.getDate() + options.expires);
}
document.cookie = encode(key) + '=' + encode(val) +
(days ? '; expires=' + days.toUTCString() : '') +
(options.path ? '; path=' + options.path : '') +
(options.domain ? '; domain=' + options.domain : '') +
(options.secure ? '; secure' : '');
}
};
})(this);