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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
CKEDITOR.plugins.add( 'floatpanel',
{
requires : [ 'panel' ]
});
(function()
{
var panels = {};
var isShowing = false;
function getPanel( editor, doc, parentElement, definition, level )
{
// Generates the panel key: docId-eleId-skinName-langDir[-uiColor][-CSSs][-level]
var key = CKEDITOR.tools.genKey( doc.getUniqueId(), parentElement.getUniqueId(), editor.skinName, editor.lang.dir,
editor.uiColor || '', definition.css || '', level || '' );
var panel = panels[ key ];
if ( !panel )
{
panel = panels[ key ] = new CKEDITOR.ui.panel( doc, definition );
panel.element = parentElement.append( CKEDITOR.dom.element.createFromHtml( panel.renderHtml( editor ), doc ) );
panel.element.setStyles(
{
display : 'none',
position : 'absolute'
});
}
return panel;
}
CKEDITOR.ui.floatPanel = CKEDITOR.tools.createClass(
{
$ : function( editor, parentElement, definition, level )
{
definition.forceIFrame = 1;
var doc = parentElement.getDocument(),
panel = getPanel( editor, doc, parentElement, definition, level || 0 ),
element = panel.element,
iframe = element.getFirst().getFirst();
// Disable native browser menu. (#4825)
element.disableContextMenu();
this.element = element;
this._ =
{
editor : editor,
// The panel that will be floating.
panel : panel,
parentElement : parentElement,
definition : definition,
document : doc,
iframe : iframe,
children : [],
dir : editor.lang.dir
};
editor.on( 'mode', function(){ this.hide(); }, this );
},
proto :
{
addBlock : function( name, block )
{
return this._.panel.addBlock( name, block );
},
addListBlock : function( name, multiSelect )
{
return this._.panel.addListBlock( name, multiSelect );
},
getBlock : function( name )
{
return this._.panel.getBlock( name );
},
/*
corner (LTR):
1 = top-left
2 = top-right
3 = bottom-right
4 = bottom-left
corner (RTL):
1 = top-right
2 = top-left
3 = bottom-left
4 = bottom-right
*/
showBlock : function( name, offsetParent, corner, offsetX, offsetY )
{
var panel = this._.panel,
block = panel.showBlock( name );
this.allowBlur( false );
isShowing = 1;
// Record from where the focus is when open panel.
this._.returnFocus = this._.editor.focusManager.hasFocus ? this._.editor : new CKEDITOR.dom.element( CKEDITOR.document.$.activeElement );
var element = this.element,
iframe = this._.iframe,
definition = this._.definition,
position = offsetParent.getDocumentPosition( element.getDocument() ),
rtl = this._.dir == 'rtl';
var left = position.x + ( offsetX || 0 ),
top = position.y + ( offsetY || 0 );
// Floating panels are off by (-1px, 0px) in RTL mode. (#3438)
if ( rtl && ( corner == 1 || corner == 4 ) )
left += offsetParent.$.offsetWidth;
else if ( !rtl && ( corner == 2 || corner == 3 ) )
left += offsetParent.$.offsetWidth - 1;
if ( corner == 3 || corner == 4 )
top += offsetParent.$.offsetHeight - 1;
// Memorize offsetParent by it's ID.
this._.panel._.offsetParentId = offsetParent.getId();
element.setStyles(
{
top : top + 'px',
left: 0,
display : ''
});
// Don't use display or visibility style because we need to
// calculate the rendering layout later and focus the element.
element.setOpacity( 0 );
// To allow the context menu to decrease back their width
element.getFirst().removeStyle( 'width' );
// Configure the IFrame blur event. Do that only once.
if ( !this._.blurSet )
{
// Non IE prefer the event into a window object.
var focused = CKEDITOR.env.ie ? iframe : new CKEDITOR.dom.window( iframe.$.contentWindow );
// With addEventListener compatible browsers, we must
// useCapture when registering the focus/blur events to
// guarantee they will be firing in all situations. (#3068, #3222 )
CKEDITOR.event.useCapture = true;
focused.on( 'blur', function( ev )
{
if ( !this.allowBlur() )
return;
// As we are using capture to register the listener,
// the blur event may get fired even when focusing
// inside the window itself, so we must ensure the
// target is out of it.
var target = ev.data.getTarget() ;
if ( target.getName && target.getName() != 'iframe' )
return;
if ( this.visible && !this._.activeChild && !isShowing )
{
// Panel close is caused by user's navigating away the focus, e.g. click outside the panel.
// DO NOT restore focus in this case.
delete this._.returnFocus;
this.hide();
}
},
this );
focused.on( 'focus', function()
{
this._.focused = true;
this.hideChild();
this.allowBlur( true );
},
this );
CKEDITOR.event.useCapture = false;
this._.blurSet = 1;
}
panel.onEscape = CKEDITOR.tools.bind( function( keystroke )
{
if ( this.onEscape && this.onEscape( keystroke ) === false )
return false;
},
this );
CKEDITOR.tools.setTimeout( function()
{
var panelLoad = CKEDITOR.tools.bind( function ()
{
var target = element.getFirst();
if ( block.autoSize )
{
// We must adjust first the width or IE6 could include extra lines in the height computation
var widthNode = block.element.$;
if ( CKEDITOR.env.gecko || CKEDITOR.env.opera )
widthNode = widthNode.parentNode;
if ( CKEDITOR.env.ie )
widthNode = widthNode.document.body;
var width = widthNode.scrollWidth;
// Account for extra height needed due to IE quirks box model bug:
// http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
// (#3426)
if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && width > 0 )
width += ( target.$.offsetWidth || 0 ) - ( target.$.clientWidth || 0 ) + 3;
// A little extra at the end.
// If not present, IE6 might break into the next line, but also it looks better this way
width += 4 ;
target.setStyle( 'width', width + 'px' );
// IE doesn't compute the scrollWidth if a filter is applied previously
block.element.addClass( 'cke_frameLoaded' );
var height = block.element.$.scrollHeight;
// Account for extra height needed due to IE quirks box model bug:
// http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
// (#3426)
if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && height > 0 )
height += ( target.$.offsetHeight || 0 ) - ( target.$.clientHeight || 0 ) + 3;
target.setStyle( 'height', height + 'px' );
// Fix IE < 8 visibility.
panel._.currentBlock.element.setStyle( 'display', 'none' ).removeStyle( 'display' );
}
else
target.removeStyle( 'height' );
// Flip panel layout horizontally in RTL with known width.
if ( rtl )
left -= element.$.offsetWidth;
// Pop the style now for measurement.
element.setStyle( 'left', left + 'px' );
/* panel layout smartly fit the viewport size. */
var panelElement = panel.element,
panelWindow = panelElement.getWindow(),
rect = element.$.getBoundingClientRect(),
viewportSize = panelWindow.getViewPaneSize();
// Compensation for browsers that dont support "width" and "height".
var rectWidth = rect.width || rect.right - rect.left,
rectHeight = rect.height || rect.bottom - rect.top;
// Check if default horizontal layout is impossible.
var spaceAfter = rtl ? rect.right : viewportSize.width - rect.left,
spaceBefore = rtl ? viewportSize.width - rect.right : rect.left;
if ( rtl )
{
if ( spaceAfter < rectWidth )
{
// Flip to show on right.
if ( spaceBefore > rectWidth )
left += rectWidth;
// Align to window left.
else if ( viewportSize.width > rectWidth )
left = left - rect.left;
// Align to window right, never cutting the panel at right.
else
left = left - rect.right + viewportSize.width;
}
}
else if ( spaceAfter < rectWidth )
{
// Flip to show on left.
if ( spaceBefore > rectWidth )
left -= rectWidth;
// Align to window right.
else if ( viewportSize.width > rectWidth )
left = left - rect.right + viewportSize.width;
// Align to window left, never cutting the panel at left.
else
left = left - rect.left;
}
// Check if the default vertical layout is possible.
var spaceBelow = viewportSize.height - rect.top,
spaceAbove = rect.top;
if ( spaceBelow < rectHeight )
{
// Flip to show above.
if ( spaceAbove > rectHeight )
top -= rectHeight;
// Align to window bottom.
else if ( viewportSize.height > rectHeight )
top = top - rect.bottom + viewportSize.height;
// Align to top, never cutting the panel at top.
else
top = top - rect.top;
}
// If IE is in RTL, we have troubles with absolute
// position and horizontal scrolls. Here we have a
// series of hacks to workaround it. (#6146)
if ( CKEDITOR.env.ie )
{
var offsetParent = new CKEDITOR.dom.element( element.$.offsetParent ),
scrollParent = offsetParent;
// Quirks returns <body>, but standards returns <html>.
if ( scrollParent.getName() == 'html' )
scrollParent = scrollParent.getDocument().getBody();
if ( scrollParent.getComputedStyle( 'direction' ) == 'rtl' )
{
// For IE8, there is not much logic on this, but it works.
if ( CKEDITOR.env.ie8Compat )
left -= element.getDocument().getDocumentElement().$.scrollLeft * 2;
else
left -= ( offsetParent.$.scrollWidth - offsetParent.$.clientWidth );
}
}
// Trigger the onHide event of the previously active panel to prevent
// incorrect styles from being applied (#6170)
var innerElement = element.getFirst(),
activePanel;
if ( ( activePanel = innerElement.getCustomData( 'activePanel' ) ) )
activePanel.onHide && activePanel.onHide.call( this, 1 );
innerElement.setCustomData( 'activePanel', this );
element.setStyles(
{
top : top + 'px',
left : left + 'px'
} );
element.setOpacity( 1 );
} , this );
panel.isLoaded ? panelLoad() : panel.onLoad = panelLoad;
// Set the panel frame focus, so the blur event gets fired.
CKEDITOR.tools.setTimeout( function()
{
iframe.$.contentWindow.focus();
// We need this get fired manually because of unfired focus() function.
this.allowBlur( true );
}, 0, this);
}, CKEDITOR.env.air ? 200 : 0, this);
this.visible = 1;
if ( this.onShow )
this.onShow.call( this );
isShowing = 0;
},
hide : function( returnFocus )
{
if ( this.visible && ( !this.onHide || this.onHide.call( this ) !== true ) )
{
this.hideChild();
// Blur previously focused element. (#6671)
CKEDITOR.env.gecko && this._.iframe.getFrameDocument().$.activeElement.blur();
this.element.setStyle( 'display', 'none' );
this.visible = 0;
this.element.getFirst().removeCustomData( 'activePanel' );
// Return focus properly. (#6247)
var focusReturn = returnFocus !== false && this._.returnFocus;
if ( focusReturn )
{
// Webkit requires focus moved out panel iframe first.
if ( CKEDITOR.env.webkit && focusReturn.type )
focusReturn.getWindow().$.focus();
focusReturn.focus();
}
}
},
allowBlur : function( allow ) // Prevent editor from hiding the panel. #3222.
{
var panel = this._.panel;
if ( allow != undefined )
panel.allowBlur = allow;
return panel.allowBlur;
},
showAsChild : function( panel, blockName, offsetParent, corner, offsetX, offsetY )
{
// Skip reshowing of child which is already visible.
if ( this._.activeChild == panel && panel._.panel._.offsetParentId == offsetParent.getId() )
return;
this.hideChild();
panel.onHide = CKEDITOR.tools.bind( function()
{
// Use a timeout, so we give time for this menu to get
// potentially focused.
CKEDITOR.tools.setTimeout( function()
{
if ( !this._.focused )
this.hide();
},
0, this );
},
this );
this._.activeChild = panel;
this._.focused = false;
panel.showBlock( blockName, offsetParent, corner, offsetX, offsetY );
/* #3767 IE: Second level menu may not have borders */
if ( CKEDITOR.env.ie7Compat || ( CKEDITOR.env.ie8 && CKEDITOR.env.ie6Compat ) )
{
setTimeout(function()
{
panel.element.getChild( 0 ).$.style.cssText += '';
}, 100);
}
},
hideChild : function()
{
var activeChild = this._.activeChild;
if ( activeChild )
{
delete activeChild.onHide;
// Sub panels don't manage focus. (#7881)
delete activeChild._.returnFocus;
delete this._.activeChild;
activeChild.hide();
}
}
}
});
CKEDITOR.on( 'instanceDestroyed', function()
{
var isLastInstance = CKEDITOR.tools.isEmpty( CKEDITOR.instances );
for ( var i in panels )
{
var panel = panels[ i ];
// Safe to destroy it since there're no more instances.(#4241)
if ( isLastInstance )
panel.destroy();
// Panel might be used by other instances, just hide them.(#4552)
else
panel.element.hide();
}
// Remove the registration.
isLastInstance && ( panels = {} );
} );
})();
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