Picker Panel

var jscolor = {


dir : '', // location of jscolor directory (leave empty to autodetect)
bindClass : 'color', // class name
binding : true, // automatic binding via
preloading : true, // use image preloading?


install : function() {
jscolor.addEvent(window, 'load', jscolor.init);
},


init : function() {
if(jscolor.binding) {
jscolor.bind();
}
if(jscolor.preloading) {
jscolor.preload();
}
},


getDir : function() {
if(!jscolor.dir) {
var detected = jscolor.detectDir();
jscolor.dir = detected!==false ? detected : 'jscolor/';
}
return jscolor.dir;
},


detectDir : function() {
var base = location.href;

var e = document.getElementsByTagName('base');
for(var i=0; i vs[a] ?
(-vp[a]+tp[a]+ts[a]/2 > vs[a]/2 && tp[a]+ts[a]-ps[a] >= 0 ? tp[a]+ts[a]-ps[a] : tp[a]) :
tp[a],
-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
(-vp[b]+tp[b]+ts[b]/2 > vs[b]/2 && tp[b]+ts[b]-l-l*c >= 0 ? tp[b]+ts[b]-l-l*c : tp[b]+ts[b]-l+l*c) :
(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
];
drawPicker(pp[a], pp[b]);
}
};


this.importColor = function() {
if(!valueElement) {
this.exportColor();
} else {
if(!this.adjust) {
if(!this.fromString(valueElement.value, leaveValue)) {
styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
styleElement.style.color = styleElement.jscStyle.color;
this.exportColor(leaveValue | leaveStyle);
}
} else if(!this.required && /^\s*$/.test(valueElement.value)) {
valueElement.value = '';
styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
styleElement.style.color = styleElement.jscStyle.color;
this.exportColor(leaveValue | leaveStyle);

} else if(this.fromString(valueElement.value)) {
// OK
} else {
this.exportColor();
}
}
};


this.exportColor = function(flags) {
if(!(flags & leaveValue) && valueElement) {
var value = this.toString();
if(this.caps) { value = value.toUpperCase(); }
if(this.hash) { value = '#'+value; }
valueElement.value = value;
}
if(!(flags & leaveStyle) && styleElement) {
styleElement.style.backgroundColor =
'#'+this.toString();
styleElement.style.color =
0.213 * this.rgb[0] +
0.715 * this.rgb[1] +
0.072 * this.rgb[2]
< 0.5 ? '#FFF' : '#000'; } if(!(flags & leavePad) && isPickerOwner()) { redrawPad(); } if(!(flags & leaveSld) && isPickerOwner()) { redrawSld(); } }; this.fromHSV = function(h, s, v, flags) { // null = don't change h<0 && (h=0) || h>6 && (h=6);
s<0 && (s=0) || s>1 && (s=1);
v<0 && (v=0) || v>1 && (v=1);
this.rgb = HSV_RGB(
h===null ? this.hsv[0] : (this.hsv[0]=h),
s===null ? this.hsv[1] : (this.hsv[1]=s),
v===null ? this.hsv[2] : (this.hsv[2]=v)
);
this.exportColor(flags);
};


this.fromRGB = function(r, g, b, flags) { // null = don't change
r<0 && (r=0) || r>1 && (r=1);
g<0 && (g=0) || g>1 && (g=1);
b<0 && (b=0) || b>1 && (b=1);
var hsv = RGB_HSV(
r===null ? this.rgb[0] : (this.rgb[0]=r),
g===null ? this.rgb[1] : (this.rgb[1]=g),
b===null ? this.rgb[2] : (this.rgb[2]=b)
);
if(hsv[0] !== null) {
this.hsv[0] = hsv[0];
}
if(hsv[2] !== 0) {
this.hsv[1] = hsv[1];
}
this.hsv[2] = hsv[2];
this.exportColor(flags);
};


this.fromString = function(hex, flags) {
var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i);
if(!m) {
return false;
} else {
if(m[1].length === 6) { // 6-char notation
this.fromRGB(
parseInt(m[1].substr(0,2),16) / 255,
parseInt(m[1].substr(2,2),16) / 255,
parseInt(m[1].substr(4,2),16) / 255,
flags
);
} else { // 3-char notation
this.fromRGB(
parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255,
parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255,
parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255,
flags
);
}
return true;
}
};


this.toString = function() {
return (
(0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1) +
(0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1) +
(0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1)
);
};


function RGB_HSV(r, g, b) {
var n = Math.min(Math.min(r,g),b);
var v = Math.max(Math.max(r,g),b);
var m = v - n;
if(m === 0) { return [ null, 0, v ]; }
var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
return [ h===6?0:h, m/v, v ];
}


function HSV_RGB(h, s, v) {
if(h === null) { return [ v, v, v ]; }
var i = Math.floor(h);
var f = i%2 ? h-i : 1-(h-i);
var m = v * (1 - s);
var n = v * (1 - s*f);
switch(i) {
case 6:
case 0: return [v,n,m];
case 1: return [n,v,m];
case 2: return [m,v,n];
case 3: return [m,n,v];
case 4: return [n,m,v];
case 5: return [v,m,n];
}
}


function removePicker() {
delete jscolor.picker.owner;
document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB);
}


function drawPicker(x, y) {
if(!jscolor.picker) {
jscolor.picker = {
box : document.createElement('div'),
boxB : document.createElement('div'),
pad : document.createElement('div'),
padB : document.createElement('div'),
padM : document.createElement('div'),
sld : document.createElement('div'),
sldB : document.createElement('div'),
sldM : document.createElement('div'),
btn : document.createElement('div'),
btnS : document.createElement('span'),
btnT : document.createTextNode(THIS.pickerCloseText)
};
for(var i=0,segSize=4; i
var seg = document.createElement('div');
seg.style.height = segSize+'px';
seg.style.fontSize = '1px';
seg.style.lineHeight = '0';
jscolor.picker.sld.appendChild(seg);
}
jscolor.picker.sldB.appendChild(jscolor.picker.sld);
jscolor.picker.box.appendChild(jscolor.picker.sldB);
jscolor.picker.box.appendChild(jscolor.picker.sldM);
jscolor.picker.padB.appendChild(jscolor.picker.pad);
jscolor.picker.box.appendChild(jscolor.picker.padB);
jscolor.picker.box.appendChild(jscolor.picker.padM);
jscolor.picker.btnS.appendChild(jscolor.picker.btnT);
jscolor.picker.btn.appendChild(jscolor.picker.btnS);
jscolor.picker.box.appendChild(jscolor.picker.btn);
jscolor.picker.boxB.appendChild(jscolor.picker.box);
}

var p = jscolor.picker;

// controls interaction
p.box.onmouseup =
p.box.onmouseout = function() { target.focus(); };
p.box.onmousedown = function() { abortBlur=true; };
p.box.onmousemove = function(e) {
if (holdPad || holdSld) {
holdPad && setPad(e);
holdSld && setSld(e);
if (document.selection) {
document.selection.empty();
} else if (window.getSelection) {
window.getSelection().removeAllRanges();
}
dispatchImmediateChange();
}
};
p.padM.onmouseup =
p.padM.onmouseout = function() { if(holdPad) { holdPad=false; jscolor.fireEvent(valueElement,'change'); } };
p.padM.onmousedown = function(e) {
holdPad=true;
setPad(e);
dispatchImmediateChange();
};
p.sldM.onmouseup =
p.sldM.onmouseout = function() { if(holdSld) { holdSld=false; jscolor.fireEvent(valueElement,'change'); } };
p.sldM.onmousedown = function(e) {
holdSld=true;
setSld(e);
dispatchImmediateChange();
};

// picker
var dims = getPickerDims(THIS);
p.box.style.width = dims[0] + 'px';
p.box.style.height = dims[1] + 'px';

// picker border
p.boxB.style.position = 'absolute';
p.boxB.style.clear = 'both';
p.boxB.style.left = x+'px';
p.boxB.style.top = y+'px';
p.boxB.style.zIndex = THIS.pickerZIndex;
p.boxB.style.border = THIS.pickerBorder+'px solid';
p.boxB.style.borderColor = THIS.pickerBorderColor;
p.boxB.style.background = THIS.pickerFaceColor;

// pad image
p.pad.style.width = jscolor.images.pad[0]+'px';
p.pad.style.height = jscolor.images.pad[1]+'px';

// pad border
p.padB.style.position = 'absolute';
p.padB.style.left = THIS.pickerFace+'px';
p.padB.style.top = THIS.pickerFace+'px';
p.padB.style.border = THIS.pickerInset+'px solid';
p.padB.style.borderColor = THIS.pickerInsetColor;

// pad mouse area
p.padM.style.position = 'absolute';
p.padM.style.left = '0';
p.padM.style.top = '0';
p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px';
p.padM.style.height = p.box.style.height;
p.padM.style.cursor = 'crosshair';

// slider image
p.sld.style.overflow = 'hidden';
p.sld.style.width = jscolor.images.sld[0]+'px';
p.sld.style.height = jscolor.images.sld[1]+'px';

// slider border
p.sldB.style.display = THIS.slider ? 'block' : 'none';
p.sldB.style.position = 'absolute';
p.sldB.style.right = THIS.pickerFace+'px';
p.sldB.style.top = THIS.pickerFace+'px';
p.sldB.style.border = THIS.pickerInset+'px solid';
p.sldB.style.borderColor = THIS.pickerInsetColor;

// slider mouse area
p.sldM.style.display = THIS.slider ? 'block' : 'none';
p.sldM.style.position = 'absolute';
p.sldM.style.right = '0';
p.sldM.style.top = '0';
p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
p.sldM.style.height = p.box.style.height;
try {
p.sldM.style.cursor = 'pointer';
} catch(eOldIE) {
p.sldM.style.cursor = 'hand';
}

// "close" button
function setBtnBorder() {
var insetColors = THIS.pickerInsetColor.split(/\s+/);
var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
p.btn.style.borderColor = pickerOutsetColor;
}
p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
p.btn.style.position = 'absolute';
p.btn.style.left = THIS.pickerFace + 'px';
p.btn.style.bottom = THIS.pickerFace + 'px';
p.btn.style.padding = '0 15px';
p.btn.style.height = '18px';
p.btn.style.border = THIS.pickerInset + 'px solid';
setBtnBorder();
p.btn.style.color = THIS.pickerButtonColor;
p.btn.style.font = '12px sans-serif';
p.btn.style.textAlign = 'center';
try {
p.btn.style.cursor = 'pointer';
} catch(eOldIE) {
p.btn.style.cursor = 'hand';
}
p.btn.onmousedown = function () {
THIS.hidePicker();
};
p.btnS.style.lineHeight = p.btn.style.height;

// load images in optimal order
switch(modeID) {
case 0: var padImg = 'hs.png'; break;
case 1: var padImg = 'hv.png'; break;
}
p.padM.style.backgroundImage = "url('"+jscolor.getDir()+"cross.gif')";
p.padM.style.backgroundRepeat = "no-repeat";
p.sldM.style.backgroundImage = "url('"+jscolor.getDir()+"arrow.gif')";
p.sldM.style.backgroundRepeat = "no-repeat";
p.pad.style.backgroundImage = "url('"+jscolor.getDir()+padImg+"')";
p.pad.style.backgroundRepeat = "no-repeat";
p.pad.style.backgroundPosition = "0 0";

// place pointers
redrawPad();
redrawSld();

jscolor.picker.owner = THIS;
document.getElementsByTagName('body')[0].appendChild(p.boxB);
}


function getPickerDims(o) {
var dims = [
2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[0] +
(o.slider ? 2*o.pickerInset + 2*jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
o.pickerClosable ?
4*o.pickerInset + 3*o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight :
2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[1]
];
return dims;
}


function redrawPad() {
// redraw the pad pointer
switch(modeID) {
case 0: var yComponent = 1; break;
case 1: var yComponent = 2; break;
}
var x = Math.round((THIS.hsv[0]/6) * (jscolor.images.pad[0]-1));
var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.pad[1]-1));
jscolor.picker.padM.style.backgroundPosition =
(THIS.pickerFace+THIS.pickerInset+x - Math.floor(jscolor.images.cross[0]/2)) + 'px ' +
(THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.cross[1]/2)) + 'px';

// redraw the slider image
var seg = jscolor.picker.sld.childNodes;

switch(modeID) {
case 0:
var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
for(var i=0; i
seg[i].style.backgroundColor = 'rgb('+
(rgb[0]*(1-i/seg.length)*100)+'%,'+
(rgb[1]*(1-i/seg.length)*100)+'%,'+
(rgb[2]*(1-i/seg.length)*100)+'%)';
}
break;
case 1:
var rgb, s, c = [ THIS.hsv[2], 0, 0 ];
var i = Math.floor(THIS.hsv[0]);
var f = i%2 ? THIS.hsv[0]-i : 1-(THIS.hsv[0]-i);
switch(i) {
case 6:
case 0: rgb=[0,1,2]; break;
case 1: rgb=[1,0,2]; break;
case 2: rgb=[2,0,1]; break;
case 3: rgb=[2,1,0]; break;
case 4: rgb=[1,2,0]; break;
case 5: rgb=[0,2,1]; break;
}
for(var i=0; i
s = 1 - 1/(seg.length-1)*i;
c[1] = c[0] * (1 - s*f);
c[2] = c[0] * (1 - s);
seg[i].style.backgroundColor = 'rgb('+
(c[rgb[0]]*100)+'%,'+
(c[rgb[1]]*100)+'%,'+
(c[rgb[2]]*100)+'%)';
}
break;
}
}


function redrawSld() {
// redraw the slider pointer
switch(modeID) {
case 0: var yComponent = 2; break;
case 1: var yComponent = 1; break;
}
var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.sld[1]-1));
jscolor.picker.sldM.style.backgroundPosition =
'0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.arrow[1]/2)) + 'px';
}


function isPickerOwner() {
return jscolor.picker && jscolor.picker.owner === THIS;
}


function blurTarget() {
if(valueElement === target) {
THIS.importColor();
}
if(THIS.pickerOnfocus) {
THIS.hidePicker();
}
}


function blurValue() {
if(valueElement !== target) {
THIS.importColor();
}
}


function setPad(e) {
var mpos = jscolor.getRelMousePos(e);
var x = mpos.x - THIS.pickerFace - THIS.pickerInset;
var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
switch(modeID) {
case 0: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), 1 - y/(jscolor.images.pad[1]-1), null, leaveSld); break;
case 1: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), null, 1 - y/(jscolor.images.pad[1]-1), leaveSld); break;
}
}


function setSld(e) {
var mpos = jscolor.getRelMousePos(e);
var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
switch(modeID) {
case 0: THIS.fromHSV(null, null, 1 - y/(jscolor.images.sld[1]-1), leavePad); break;
case 1: THIS.fromHSV(null, 1 - y/(jscolor.images.sld[1]-1), null, leavePad); break;
}
}


function dispatchImmediateChange() {
if (THIS.onImmediateChange) {
if (typeof THIS.onImmediateChange === 'string') {
eval(THIS.onImmediateChange);
} else {
THIS.onImmediateChange(THIS);
}
}
}


var THIS = this;
var modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
var abortBlur = false;
var
valueElement = jscolor.fetchElement(this.valueElement),
styleElement = jscolor.fetchElement(this.styleElement);
var
holdPad = false,
holdSld = false;
var
leaveValue = 1<<0,
leaveStyle = 1<<1,
leavePad = 1<<2,
leaveSld = 1<<3;

// target
jscolor.addEvent(target, 'focus', function() {
if(THIS.pickerOnfocus) { THIS.showPicker(); }
});
jscolor.addEvent(target, 'blur', function() {
if(!abortBlur) {
window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
} else {
abortBlur = false;
}
});

// valueElement
if(valueElement) {
var updateField = function() {
THIS.fromString(valueElement.value, leaveValue);
};
jscolor.addEvent(valueElement, 'keyup', updateField);
jscolor.addEvent(valueElement, 'input', updateField);
jscolor.addEvent(valueElement, 'blur', blurValue);
valueElement.setAttribute('autocomplete', 'off');
}

// styleElement
if(styleElement) {
styleElement.jscStyle = {
backgroundColor : styleElement.style.backgroundColor,
color : styleElement.style.color
};
}

// require images
switch(modeID) {
case 0: jscolor.requireImage('hs.png'); break;
case 1: jscolor.requireImage('hv.png'); break;
}
jscolor.requireImage('cross.gif');
jscolor.requireImage('arrow.gif');

this.importColor();
}

};


jscolor.install();

Posted in: HTML Mimpi