/home/hdwebsolution/www/public/ckeditor/_source/plugins/colordialog/dialogs/colordialog.js
/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
CKEDITOR.dialog.add( 'colordialog', function( editor )
{
// Define some shorthands.
var $el = CKEDITOR.dom.element,
$doc = CKEDITOR.document,
lang = editor.lang.colordialog;
// Reference the dialog.
var dialog;
var spacer =
{
type : 'html',
html : ' '
};
var selected;
function clearSelected()
{
$doc.getById( selHiColorId ).removeStyle( 'background-color' );
dialog.getContentElement( 'picker', 'selectedColor' ).setValue( '' );
selected && selected.removeAttribute( 'aria-selected' );
selected = null;
}
function updateSelected( evt )
{
var target = evt.data.getTarget(),
color;
if ( target.getName() == 'td' &&
( color = target.getChild( 0 ).getHtml() ) )
{
selected = target;
selected.setAttribute( 'aria-selected', true );
dialog.getContentElement( 'picker', 'selectedColor' ).setValue( color );
}
}
// Basing black-white decision off of luma scheme using the Rec. 709 version
function whiteOrBlack( color )
{
color = color.replace( /^#/, '' );
for ( var i = 0, rgb = []; i <= 2; i++ )
rgb[i] = parseInt( color.substr( i * 2, 2 ), 16 );
var luma = (0.2126 * rgb[0]) + (0.7152 * rgb[1]) + (0.0722 * rgb[2]);
return '#' + ( luma >= 165 ? '000' : 'fff' );
}
// Distinguish focused and hover states.
var focused, hovered;
// Apply highlight style.
function updateHighlight( event )
{
// Convert to event.
!event.name && ( event = new CKEDITOR.event( event ) );
var isFocus = !(/mouse/).test( event.name ),
target = event.data.getTarget(),
color;
if ( target.getName() == 'td' && ( color = target.getChild( 0 ).getHtml() ) )
{
removeHighlight( event );
isFocus ? focused = target : hovered = target;
// Apply outline style to show focus.
if ( isFocus )
{
target.setStyle( 'border-color', whiteOrBlack( color ) );
target.setStyle( 'border-style', 'dotted' );
}
$doc.getById( hicolorId ).setStyle( 'background-color', color );
$doc.getById( hicolorTextId ).setHtml( color );
}
}
function clearHighlight()
{
var color = focused.getChild( 0 ).getHtml();
focused.setStyle( 'border-color', color );
focused.setStyle( 'border-style', 'solid' );
$doc.getById( hicolorId ).removeStyle( 'background-color' );
$doc.getById( hicolorTextId ).setHtml( ' ' );
focused = null;
}
// Remove previously focused style.
function removeHighlight( event )
{
var isFocus = !(/mouse/).test( event.name ),
target = isFocus && focused;
if ( target )
{
var color = target.getChild( 0 ).getHtml();
target.setStyle( 'border-color', color );
target.setStyle( 'border-style', 'solid' );
}
if ( ! ( focused || hovered ) )
{
$doc.getById( hicolorId ).removeStyle( 'background-color' );
$doc.getById( hicolorTextId ).setHtml( ' ' );
}
}
function onKeyStrokes( evt )
{
var domEvt = evt.data;
var element = domEvt.getTarget();
var relative, nodeToMove;
var keystroke = domEvt.getKeystroke(),
rtl = editor.lang.dir == 'rtl';
switch ( keystroke )
{
// UP-ARROW
case 38 :
// relative is TR
if ( ( relative = element.getParent().getPrevious() ) )
{
nodeToMove = relative.getChild( [ element.getIndex() ] );
nodeToMove.focus();
}
domEvt.preventDefault();
break;
// DOWN-ARROW
case 40 :
// relative is TR
if ( ( relative = element.getParent().getNext() ) )
{
nodeToMove = relative.getChild( [ element.getIndex() ] );
if ( nodeToMove && nodeToMove.type == 1 )
{
nodeToMove.focus();
}
}
domEvt.preventDefault();
break;
// SPACE
// ENTER
case 32 :
case 13 :
updateSelected( evt );
domEvt.preventDefault();
break;
// RIGHT-ARROW
case rtl ? 37 : 39 :
// relative is TD
if ( ( nodeToMove = element.getNext() ) )
{
if ( nodeToMove.type == 1 )
{
nodeToMove.focus();
domEvt.preventDefault( true );
}
}
// relative is TR
else if ( ( relative = element.getParent().getNext() ) )
{
nodeToMove = relative.getChild( [ 0 ] );
if ( nodeToMove && nodeToMove.type == 1 )
{
nodeToMove.focus();
domEvt.preventDefault( true );
}
}
break;
// LEFT-ARROW
case rtl ? 39 : 37 :
// relative is TD
if ( ( nodeToMove = element.getPrevious() ) )
{
nodeToMove.focus();
domEvt.preventDefault( true );
}
// relative is TR
else if ( ( relative = element.getParent().getPrevious() ) )
{
nodeToMove = relative.getLast();
nodeToMove.focus();
domEvt.preventDefault( true );
}
break;
default :
// Do not stop not handled events.
return;
}
}
function createColorTable()
{
table = CKEDITOR.dom.element.createFromHtml
(
'<table tabIndex="-1" aria-label="' + lang.options + '"' +
' role="grid" style="border-collapse:separate;" cellspacing="0">' +
'<caption class="cke_voice_label">' + lang.options + '</caption>' +
'<tbody role="presentation"></tbody></table>'
);
table.on( 'mouseover', updateHighlight );
table.on( 'mouseout', removeHighlight );
// Create the base colors array.
var aColors = [ '00', '33', '66', '99', 'cc', 'ff' ];
// This function combines two ranges of three values from the color array into a row.
function appendColorRow( rangeA, rangeB )
{
for ( var i = rangeA ; i < rangeA + 3 ; i++ )
{
var row = new $el( table.$.insertRow( -1 ) );
row.setAttribute( 'role', 'row' );
for ( var j = rangeB ; j < rangeB + 3 ; j++ )
{
for ( var n = 0 ; n < 6 ; n++ )
{
appendColorCell( row.$, '#' + aColors[j] + aColors[n] + aColors[i] );
}
}
}
}
// This function create a single color cell in the color table.
function appendColorCell( targetRow, color )
{
var cell = new $el( targetRow.insertCell( -1 ) );
cell.setAttribute( 'class', 'ColorCell' );
cell.setAttribute( 'tabIndex', -1 );
cell.setAttribute( 'role', 'gridcell' );
cell.on( 'keydown', onKeyStrokes );
cell.on( 'click', updateSelected );
cell.on( 'focus', updateHighlight );
cell.on( 'blur', removeHighlight );
cell.setStyle( 'background-color', color );
cell.setStyle( 'border', '1px solid ' + color );
cell.setStyle( 'width', '14px' );
cell.setStyle( 'height', '14px' );
var colorLabel = numbering( 'color_table_cell' );
cell.setAttribute( 'aria-labelledby',colorLabel );
cell.append( CKEDITOR.dom.element.createFromHtml( '<span id="' + colorLabel + '" class="cke_voice_label">' + color + '</span>', CKEDITOR.document ) );
}
appendColorRow( 0, 0 );
appendColorRow( 3, 0 );
appendColorRow( 0, 3 );
appendColorRow( 3, 3 );
// Create the last row.
var oRow = new $el( table.$.insertRow( -1 ) ) ;
oRow.setAttribute( 'role', 'row' );
// Create the gray scale colors cells.
for ( var n = 0 ; n < 6 ; n++ )
{
appendColorCell( oRow.$, '#' + aColors[n] + aColors[n] + aColors[n] ) ;
}
// Fill the row with black cells.
for ( var i = 0 ; i < 12 ; i++ )
{
appendColorCell( oRow.$, '#000000' ) ;
}
}
var numbering = function( id )
{
return CKEDITOR.tools.getNextId() + '_' + id;
},
hicolorId = numbering( 'hicolor' ),
hicolorTextId = numbering( 'hicolortext' ),
selHiColorId = numbering( 'selhicolor' ),
table;
createColorTable();
return {
title : lang.title,
minWidth : 360,
minHeight : 220,
onLoad : function()
{
// Update reference.
dialog = this;
},
onHide : function()
{
clearSelected();
clearHighlight();
},
contents : [
{
id : 'picker',
label : lang.title,
accessKey : 'I',
elements :
[
{
type : 'hbox',
padding : 0,
widths : [ '70%', '10%', '30%' ],
children :
[
{
type : 'html',
html : '<div></div>',
onLoad : function()
{
CKEDITOR.document.getById( this.domId ).append( table );
},
focus : function()
{
// Restore the previously focused cell,
// otherwise put the initial focus on the first table cell.
( focused || this.getElement().getElementsByTag( 'td' ).getItem( 0 ) ).focus();
}
},
spacer,
{
type : 'vbox',
padding : 0,
widths : [ '70%', '5%', '25%' ],
children :
[
{
type : 'html',
html : '<span>' + lang.highlight +'</span>\
<div id="' + hicolorId + '" style="border: 1px solid; height: 74px; width: 74px;"></div>\
<div id="' + hicolorTextId + '"> </div><span>' + lang.selected + '</span>\
<div id="' + selHiColorId + '" style="border: 1px solid; height: 20px; width: 74px;"></div>'
},
{
type : 'text',
label : lang.selected,
labelStyle: 'display:none',
id : 'selectedColor',
style : 'width: 74px',
onChange : function()
{
// Try to update color preview with new value. If fails, then set it no none.
try
{
$doc.getById( selHiColorId ).setStyle( 'background-color', this.getValue() );
}
catch ( e )
{
clearSelected();
}
}
},
spacer,
{
type : 'button',
id : 'clear',
style : 'margin-top: 5px',
label : lang.clear,
onClick : clearSelected
}
]
}
]
}
]
}
]
};
}
);