@ -7,16 +7,287 @@ let hammerUtil = require('../../../hammerUtil');
let util = require ( '../../../util' ) ; let util = require ( '../../../util' ) ;
class ColorPicker { class ColorPicker {
constructor ( ) {
this . touchTime = 0 ;
this . pixelRatio = 1 ;
constructor ( pixelRatio = 1 ) {
this . pixelRatio = pixelRatio ;
this . generated = false ; this . generated = false ;
this . color = undefined ;
this . centerCoordinates = { x : 289 / 2 , y : 289 / 2 } ;
this . r = 289 * 0.49 ;
this . color = { r : 255 , g : 255 , b : 255 , a : 1.0 } ;
this . hueCircle = undefined ;
this . initialColor = { r : 255 , g : 255 , b : 255 , a : 1.0 } ;
this . previousColor = undefined ;
this . applied = false ;
// bound by
this . updateCallback = ( ) => { } ;
// create all DOM elements
this . _create ( ) ;
}
/ * *
* this inserts the colorPicker into a div from the DOM
* @ param container
* /
insertTo ( container ) {
if ( this . hammer !== undefined ) {
this . hammer . destroy ( ) ;
this . hammer = undefined ;
}
this . container = container ;
this . container . appendChild ( this . frame ) ;
this . _bindHammer ( ) ;
this . _setSize ( ) ;
}
/ * *
* the callback is executed on apply and save . Bind it to the application
* @ param callback
* /
setCallback ( callback ) {
if ( typeof callback === 'function' ) {
this . updateCallback = callback ;
}
else {
throw new Error ( "Function attempted to set as colorPicker callback is not a function." ) ;
}
}
/ * *
* Set the color of the colorPicker
* Supported formats :
* '#ffffff' -- > hex string
* 'rbg(255,255,255)' -- > rgb string
* 'rgba(255,255,255,1.0)' -- > rgba string
* { r : 255 , g : 255 , b : 255 } -- > rgb object
* { r : 255 , g : 255 , b : 255 , a : 1.0 } -- > rgba object
* @ param color
* @ param setInitial
* /
setColor ( color , setInitial = true ) {
if ( color === 'none' ) {
return ;
}
let rgba ;
// check format
if ( util . isString ( color ) === true ) {
if ( util . isValidRGB ( color ) === true ) {
let rgbaArray = color . substr ( 4 ) . substr ( 0 , color . length - 5 ) . split ( ',' ) ;
rgba = { r : rgbaArray [ 0 ] , g : rgbaArray [ 1 ] , b : rgbaArray [ 2 ] , a : 1.0 } ;
}
else if ( util . isValidRGBA ( color ) === true ) {
let rgbaArray = color . substr ( 5 ) . substr ( 0 , color . length - 6 ) . split ( ',' ) ;
rgba = { r : rgbaArray [ 0 ] , g : rgbaArray [ 1 ] , b : rgbaArray [ 2 ] , a : rgbaArray [ 3 ] } ;
}
else if ( util . isValidHex ( color ) === true ) {
let rgbObj = util . hexToRGB ( color ) ;
rgba = { r : rgbObj . r , g : rgbObj . g , b : rgbObj . b , a : 1.0 } ;
}
}
else {
if ( color instanceof Object ) {
if ( color . r !== undefined && color . g !== undefined && color . b !== undefined ) {
let alpha = color . a !== undefined ? color . a : '1.0' ;
rgba = { r : color . r , g : color . g , b : color . b , a : alpha } ;
}
}
}
// set color
if ( rgba === undefined ) {
throw new Error ( "Unknown color passed to the colorPicker. Supported are strings: rgb, hex, rgba. Object: rgb ({r:r,g:g,b:b,[a:a]}). Supplied: " + JSON . stringify ( color ) ) ;
}
else {
this . _setColor ( rgba , setInitial ) ;
}
}
this . create ( ) ;
/ * *
* this shows the color picker at a location . The hue circle is constructed once and stored .
* @ param x
* @ param y
* /
show ( x , y ) {
this . applied = false ;
this . frame . style . display = 'block' ;
this . frame . style . top = y + 'px' ;
this . frame . style . left = x + 'px' ;
this . _generateHueCircle ( ) ;
}
// ------------------------------------------ PRIVATE ----------------------------- //
/ * *
* Hide the picker . Is called by the cancel button .
* Optional boolean to store the previous color for easy access later on .
* @ param storePrevious
* @ private
* /
_hide ( storePrevious = true ) {
// store the previous color for next time;
if ( storePrevious === true ) {
this . previousColor = util . extend ( { } , this . color ) ;
}
if ( this . applied === true ) {
this . updateCallback ( this . initialColor ) ;
}
this . frame . style . display = 'none' ;
}
/ * *
* bound to the save button . Saves and hides .
* @ private
* /
_save ( ) {
this . updateCallback ( this . color ) ;
this . applied = false ;
this . hide ( ) ;
} }
create ( ) {
/ * *
* Bound to apply button . Saves but does not close . Is undone by the cancel button .
* @ private
* /
_apply ( ) {
this . applied = true ;
this . updateCallback ( this . color ) ;
this . _updatePicker ( this . color ) ;
}
/ * *
* load the color from the previous session .
* @ private
* /
_loadLast ( ) {
if ( this . previousColor !== undefined ) {
this . setColor ( this . previousColor , false ) ;
}
else {
alert ( "There is no last color to load..." ) ;
}
}
/ * *
* set the color , place the picker
* @ param rgba
* @ param setInitial
* @ private
* /
_setColor ( rgba , setInitial = true ) {
// store the initial color
if ( setInitial === true ) {
console . log ( "here" )
this . initialColor = util . extend ( { } , rgba ) ;
}
this . color = rgba ;
let hsv = util . RGBToHSV ( rgba . r , rgba . g , rgba . b ) ;
let angleConvert = 2 * Math . PI ;
let radius = this . r * hsv . s ;
let x = this . centerCoordinates . x + radius * Math . sin ( angleConvert * hsv . h ) ;
let y = this . centerCoordinates . y + radius * Math . cos ( angleConvert * hsv . h ) ;
this . colorPickerSelector . style . left = x - 0.5 * this . colorPickerSelector . clientWidth + 'px' ;
this . colorPickerSelector . style . top = y - 0.5 * this . colorPickerSelector . clientHeight + 'px' ;
this . _updatePicker ( rgba ) ;
}
/ * *
* bound to opacity control
* @ param value
* @ private
* /
_setOpacity ( value ) {
this . color . a = value / 100 ;
this . _updatePicker ( this . color ) ;
}
/ * *
* bound to brightness control
* @ param value
* @ private
* /
_setBrightness ( value ) {
let hsv = util . RGBToHSV ( this . color . r , this . color . g , this . color . b ) ;
hsv . v = value / 100 ;
let rgba = util . HSVToRGB ( hsv . h , hsv . s , hsv . v ) ;
rgba [ 'a' ] = this . color . a ;
this . color = rgba ;
this . _updatePicker ( ) ;
}
/ * *
* update the colorpicker . A black circle overlays the hue circle to mimic the brightness decreasing .
* @ param rgba
* @ private
* /
_updatePicker ( rgba = this . color ) {
let hsv = util . RGBToHSV ( rgba . r , rgba . g , rgba . b ) ;
let ctx = this . colorPickerCanvas . getContext ( '2d' ) ;
if ( this . pixelRation === undefined ) {
this . pixelRatio = ( window . devicePixelRatio || 1 ) / ( ctx . webkitBackingStorePixelRatio ||
ctx . mozBackingStorePixelRatio ||
ctx . msBackingStorePixelRatio ||
ctx . oBackingStorePixelRatio ||
ctx . backingStorePixelRatio || 1 ) ;
}
ctx . setTransform ( this . pixelRatio , 0 , 0 , this . pixelRatio , 0 , 0 ) ;
// clear the canvas
let w = this . colorPickerCanvas . clientWidth ;
let h = this . colorPickerCanvas . clientHeight ;
ctx . clearRect ( 0 , 0 , w , h ) ;
ctx . putImageData ( this . hueCircle , 0 , 0 ) ;
ctx . fillStyle = 'rgba(0,0,0,' + ( 1 - hsv . v ) + ')' ;
ctx . circle ( this . centerCoordinates . x , this . centerCoordinates . y , this . r ) ;
ctx . fill ( ) ;
this . brightnessRange . value = 100 * hsv . v ;
this . opacityRange . value = 100 * rgba . a ;
this . initialColorDiv . style . backgroundColor = 'rgba(' + this . initialColor . r + ',' + this . initialColor . g + ',' + this . initialColor . b + ',' + this . initialColor . a + ')' ;
this . newColorDiv . style . backgroundColor = 'rgba(' + this . color . r + ',' + this . color . g + ',' + this . color . b + ',' + this . color . a + ')' ;
}
/ * *
* used by create to set the size of the canvas .
* @ private
* /
_setSize ( ) {
this . colorPickerCanvas . style . width = '100%' ;
this . colorPickerCanvas . style . height = '100%' ;
this . colorPickerCanvas . width = 289 * this . pixelRatio ;
this . colorPickerCanvas . height = 289 * this . pixelRatio ;
}
/ * *
* create all dom elements
* TODO : cleanup , lots of similar dom elements
* @ private
* /
_create ( ) {
let visPrefix = 'vis-network-' let visPrefix = 'vis-network-'
this . frame = document . createElement ( 'div' ) ; this . frame = document . createElement ( 'div' ) ;
@ -51,55 +322,109 @@ class ColorPicker {
this . colorPickerDiv . className = visPrefix + 'colorPicker-color' ; this . colorPickerDiv . className = visPrefix + 'colorPicker-color' ;
this . opacityDiv = document . createElement ( 'div' ) ;
this . opacityDiv . className = visPrefix + 'colorPicker-opacity' ;
this . brightnessDiv = document . createElement ( 'div' ) ; this . brightnessDiv = document . createElement ( 'div' ) ;
this . brightnessDiv . className = visPrefix + 'colorPicker-brightness' ; this . brightnessDiv . className = visPrefix + 'colorPicker-brightness' ;
this . saturationDiv = document . createElement ( 'div' ) ;
this . saturationDiv . className = visPrefix + 'colorPicker-saturation' ;
this . opacityRange = document . createElement ( 'input' ) ;
this . opacityRange . type = 'range' ;
this . opacityRange . min = '0' ;
this . opacityRange . max = '100' ;
this . opacityRange . value = '100' ;
this . opacityRange . className = visPrefix + 'configuration range colorPicker' ;
this . brightnessRange = document . createElement ( 'input' ) ; this . brightnessRange = document . createElement ( 'input' ) ;
this . brightnessRange . type = 'range' ; this . brightnessRange . type = 'range' ;
this . brightnessRange . min = '0' ; this . brightnessRange . min = '0' ;
this . brightnessRange . max = '100' ; this . brightnessRange . max = '100' ;
this . brightnessRange . value = '100' ; this . brightnessRange . value = '100' ;
this . brightnessRange . className = 'vis-network-configuration range colorPicker' ;
this . saturationRange = document . createElement ( 'input' ) ;
this . saturationRange . type = 'range' ;
this . saturationRange . min = '0' ;
this . saturationRange . max = '100' ;
this . saturationRange . value = '100' ;
this . saturationRange . className = 'vis-network-configuration range colorPicker' ;
this . brightnessRange . className = visPrefix + 'configuration range colorPicker' ;
this . opacityDiv . appendChild ( this . opacityRange ) ;
this . brightnessDiv . appendChild ( this . brightnessRange ) ; this . brightnessDiv . appendChild ( this . brightnessRange ) ;
this . saturationDiv . appendChild ( this . saturationRange ) ;
var me = this ;
this . opacityRange . onchange = function ( ) { me . _setOpacity ( this . value ) ; }
this . opacityRange . oninput = function ( ) { me . _setOpacity ( this . value ) ; }
this . brightnessRange . onchange = function ( ) { me . _setBrightness ( this . value ) ; }
this . brightnessRange . oninput = function ( ) { me . _setBrightness ( this . value ) ; }
this . brightnessLabel = document . createElement ( "div" ) ;
this . brightnessLabel . className = visPrefix + "colorPicker-label brightness" ;
this . brightnessLabel . innerHTML = 'brightness:' ;
this . opacityLabel = document . createElement ( "div" ) ;
this . opacityLabel . className = visPrefix + "colorPicker-label opacity" ;
this . opacityLabel . innerHTML = 'opacity:' ;
this . newColorDiv = document . createElement ( "div" ) ;
this . newColorDiv . className = visPrefix + "colorPicker-newColor" ;
this . newColorDiv . innerHTML = 'new' ;
this . initialColorDiv = document . createElement ( "div" ) ;
this . initialColorDiv . className = visPrefix + "colorPicker-initialColor" ;
this . initialColorDiv . innerHTML = 'initial' ;
this . cancelButton = document . createElement ( "div" ) ;
this . cancelButton . className = visPrefix + "colorPicker-button cancel" ;
this . cancelButton . innerHTML = 'cancel' ;
this . cancelButton . onclick = this . _hide . bind ( this , false ) ;
this . applyButton = document . createElement ( "div" ) ;
this . applyButton . className = visPrefix + "colorPicker-button apply" ;
this . applyButton . innerHTML = 'apply' ;
this . applyButton . onclick = this . _apply . bind ( this ) ;
this . saveButton = document . createElement ( "div" ) ;
this . saveButton . className = visPrefix + "colorPicker-button save" ;
this . saveButton . innerHTML = 'save' ;
this . saveButton . onclick = this . _save . bind ( this ) ;
this . loadButton = document . createElement ( "div" ) ;
this . loadButton . className = visPrefix + "colorPicker-button load" ;
this . loadButton . innerHTML = 'load last' ;
this . loadButton . onclick = this . _loadLast . bind ( this ) ;
this . frame . appendChild ( this . colorPickerDiv ) ; this . frame . appendChild ( this . colorPickerDiv ) ;
this . frame . appendChild ( this . saturationDiv ) ;
this . frame . appendChild ( this . brightnessLabel ) ;
this . frame . appendChild ( this . brightnessDiv ) ; this . frame . appendChild ( this . brightnessDiv ) ;
this . frame . appendChild ( this . opacityLabel ) ;
this . frame . appendChild ( this . opacityDiv ) ;
this . frame . appendChild ( this . newColorDiv ) ;
this . frame . appendChild ( this . initialColorDiv ) ;
this . frame . appendChild ( this . cancelButton ) ;
this . frame . appendChild ( this . applyButton ) ;
this . frame . appendChild ( this . saveButton ) ;
this . frame . appendChild ( this . loadButton ) ;
} }
show ( container ) {
this . container = container ;
this . container . appendChild ( this . frame ) ;
this . bindHammer ( ) ;
this . setSize ( ) ;
}
/ * *
* bind hammer to the color picker
* @ private
* /
_bindHammer ( ) {
this . drag = { } ;
this . pinch = { } ;
this . hammer = new Hammer ( this . colorPickerCanvas ) ;
this . hammer . get ( 'pinch' ) . set ( { enable : true } ) ;
setColor ( color ) {
//todo make
hammerUtil . onTouch ( this . hammer , ( event ) => { this . _moveSelector ( event ) } ) ;
this . hammer . on ( 'tap' , ( event ) => { this . _moveSelector ( event ) } ) ;
this . hammer . on ( 'panstart' , ( event ) => { this . _moveSelector ( event ) } ) ;
this . hammer . on ( 'panmove' , ( event ) => { this . _moveSelector ( event ) } ) ;
this . hammer . on ( 'panend' , ( event ) => { this . _moveSelector ( event ) } ) ;
} }
setSize ( ) {
this . colorPickerCanvas . style . width = '100%' ;
this . colorPickerCanvas . style . height = '100%' ;
this . colorPickerCanvas . width = this . colorPickerDiv . clientWidth * this . pixelRatio ;
this . colorPickerCanvas . height = this . colorPickerDiv . clientHeight * this . pixelRatio ;
}
generate ( ) {
/ * *
* generate the hue circle . This is relatively heavy ( 200 ms ) and is done only once on the first time it is shown .
* @ private
* /
_generateHueCircle ( ) {
if ( this . generated === false ) { if ( this . generated === false ) {
let ctx = this . colorPickerCanvas . getContext ( '2d' ) ; let ctx = this . colorPickerCanvas . getContext ( '2d' ) ;
if ( this . pixelRation === undefined ) { if ( this . pixelRation === undefined ) {
@ -116,44 +441,41 @@ class ColorPicker {
let h = this . colorPickerCanvas . clientHeight ; let h = this . colorPickerCanvas . clientHeight ;
ctx . clearRect ( 0 , 0 , w , h ) ; ctx . clearRect ( 0 , 0 , w , h ) ;
// draw hue circle
let x , y , hue , sat ; let x , y , hue , sat ;
let center = { x : w * 0.5 , y : h * 0.5 } ;
le tr = 0.49 * w ;
this . centerCoordinates = { x : w * 0.5 , y : h * 0.5 } ;
this . r = 0.49 * w ;
let angleConvert = ( 2 * Math . PI ) / 360 ; let angleConvert = ( 2 * Math . PI ) / 360 ;
let hfac = 1 / 360 ; let hfac = 1 / 360 ;
let sfac = 1 / r ;
let sfac = 1 / this . r ;
let rgb ; let rgb ;
for ( hue = 0 ; hue < 360 ; hue ++ ) { for ( hue = 0 ; hue < 360 ; hue ++ ) {
for ( sat = 0 ; sat < r ; sat ++ ) {
x = center . x + sat * Math . sin ( angleConvert * hue ) ;
y = center . y + sat * Math . cos ( angleConvert * hue ) ;
for ( sat = 0 ; sat < this . r ; sat ++ ) {
x = this . centerCoordinates . x + sat * Math . sin ( angleConvert * hue ) ;
y = this . centerCoordinates . y + sat * Math . cos ( angleConvert * hue ) ;
rgb = util . HSVToRGB ( hue * hfac , sat * sfac , 1 ) ; rgb = util . HSVToRGB ( hue * hfac , sat * sfac , 1 ) ;
ctx . fillStyle = 'rgb(' + rgb . r + ',' + rgb . g + ',' + rgb . b + ')' ; ctx . fillStyle = 'rgb(' + rgb . r + ',' + rgb . g + ',' + rgb . b + ')' ;
ctx . fillRect ( x - 0.5 , y - 0.5 , 2 , 2 ) ; ctx . fillRect ( x - 0.5 , y - 0.5 , 2 , 2 ) ;
} }
} }
ctx . strokeStyle = 'rgba(0,0,0,1)' ;
ctx . circle ( this . centerCoordinates . x , this . centerCoordinates . y , this . r ) ;
ctx . stroke ( ) ;
this . hueCircle = ctx . getImageData ( 0 , 0 , w , h ) ;
} }
this . generated = true ; this . generated = true ;
} }
bindHammer ( ) {
this . drag = { } ;
this . pinch = { } ;
this . hammer = new Hammer ( this . colorPickerCanvas ) ;
this . hammer . get ( 'pinch' ) . set ( { enable : true } ) ;
hammerUtil . onTouch ( this . hammer , ( event ) => { this . moveSelector ( event ) } ) ;
this . hammer . on ( 'tap' , ( event ) => { this . moveSelector ( event ) } ) ;
//this.hammer.on('doubletap', (event) => {this.moveSelector(event)});
//this.hammer.on('press', (event) => {this.moveSelector(event)});
this . hammer . on ( 'panstart' , ( event ) => { this . moveSelector ( event ) } ) ;
this . hammer . on ( 'panmove' , ( event ) => { this . moveSelector ( event ) } ) ;
this . hammer . on ( 'panend' , ( event ) => { this . moveSelector ( event ) } ) ;
//this.hammer.on('pinch', (event) => {this.moveSelector(event)});
}
moveSelector ( event ) {
/ * *
* move the selector . This is called by hammer functions .
*
* @ param event
* @ private
* /
_moveSelector ( event ) {
let rect = this . colorPickerDiv . getBoundingClientRect ( ) ; let rect = this . colorPickerDiv . getBoundingClientRect ( ) ;
let left = event . center . x - rect . left ; let left = event . center . x - rect . left ;
let top = event . center . y - rect . top ; let top = event . center . y - rect . top ;
@ -164,29 +486,29 @@ class ColorPicker {
let x = left - centerX ; let x = left - centerX ;
let y = top - centerY ; let y = top - centerY ;
let angle = Math . atan ( y / x ) ;
if ( x < 0 ) {
angle += Math . PI ;
}
let angle = Math . atan2 ( x , y ) ;
let radius = 0.98 * Math . min ( Math . sqrt ( x * x + y * y ) , centerX ) ; let radius = 0.98 * Math . min ( Math . sqrt ( x * x + y * y ) , centerX ) ;
let newTop = Math . sin ( angle ) * radius + centerY ;
let newLeft = Math . co s( angle ) * radius + centerX ;
let newTop = Math . cos ( angle ) * radius + centerY ;
let newLeft = Math . sin ( angle ) * radius + centerX ;
this . colorPickerSelector . style . top = newTop - 0.5 * this . colorPickerSelector . clientHeight + 'px' ; this . colorPickerSelector . style . top = newTop - 0.5 * this . colorPickerSelector . clientHeight + 'px' ;
this . colorPickerSelector . style . left = newLeft - 0.5 * this . colorPickerSelector . clientWidth + 'px' ; this . colorPickerSelector . style . left = newLeft - 0.5 * this . colorPickerSelector . clientWidth + 'px' ;
}
redraw ( roomController ) {
if ( this . frame === undefined ) {
this . _create ( ) ;
}
let pos = roomController . canvasToDOM ( { x : 0 , y : 0 } ) ;
this . frame . style . top = '50px' ;
this . frame . style . left = pos . x - 350 + 'px' ;
// set color
let h = angle / ( 2 * Math . PI ) ;
h = h < 0 ? h + 1 : h ;
let s = radius / this . r ;
let hsv = util . RGBToHSV ( this . color . r , this . color . g , this . color . b ) ;
hsv . h = h ;
hsv . s = s ;
let rgba = util . HSVToRGB ( hsv . h , hsv . s , hsv . v ) ;
rgba [ 'a' ] = this . color . a ;
this . color = rgba ;
// update previews
this . initialColorDiv . style . backgroundColor = 'rgba(' + this . initialColor . r + ',' + this . initialColor . g + ',' + this . initialColor . b + ',' + this . initialColor . a + ')' ;
this . newColorDiv . style . backgroundColor = 'rgba(' + this . color . r + ',' + this . color . g + ',' + this . color . b + ',' + this . color . a + ')' ;
} }
} }
Alex de Mulder
9 years ago