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/**
* @license Copyright (c) 2003-2021, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
*/
CKEDITOR.plugins.add( 'resize', {
init: function( editor ) {
function dragHandler( evt ) {
var dx = evt.data.$.screenX - origin.x,
dy = evt.data.$.screenY - origin.y,
width = startSize.width,
height = startSize.height,
internalWidth = width + dx * ( resizeDir == 'rtl' ? -1 : 1 ),
internalHeight = height + dy;
if ( resizeHorizontal )
width = Math.max( config.resize_minWidth, Math.min( internalWidth, config.resize_maxWidth ) );
if ( resizeVertical )
height = Math.max( config.resize_minHeight, Math.min( internalHeight, config.resize_maxHeight ) );
// DO NOT impose fixed size with single direction resize. (https://dev.ckeditor.com/ticket/6308)
editor.resize( resizeHorizontal ? width : null, height );
}
function dragEndHandler() {
CKEDITOR.document.removeListener( 'mousemove', dragHandler );
CKEDITOR.document.removeListener( 'mouseup', dragEndHandler );
if ( editor.document ) {
editor.document.removeListener( 'mousemove', dragHandler );
editor.document.removeListener( 'mouseup', dragEndHandler );
}
}
var config = editor.config;
var spaceId = editor.ui.spaceId( 'resizer' );
// Resize in the same direction of chrome,
// which is identical to dir of editor element. (https://dev.ckeditor.com/ticket/6614)
var resizeDir = editor.element ? editor.element.getDirection( 1 ) : 'ltr';
!config.resize_dir && ( config.resize_dir = 'vertical' );
( config.resize_maxWidth === undefined ) && ( config.resize_maxWidth = 3000 );
( config.resize_maxHeight === undefined ) && ( config.resize_maxHeight = 3000 );
( config.resize_minWidth === undefined ) && ( config.resize_minWidth = 750 );
( config.resize_minHeight === undefined ) && ( config.resize_minHeight = 250 );
if ( config.resize_enabled !== false ) {
var container = null,
origin, startSize,
resizeHorizontal = ( config.resize_dir == 'both' || config.resize_dir == 'horizontal' ) && ( config.resize_minWidth != config.resize_maxWidth ),
resizeVertical = ( config.resize_dir == 'both' || config.resize_dir == 'vertical' ) && ( config.resize_minHeight != config.resize_maxHeight );
var mouseDownFn = CKEDITOR.tools.addFunction( function( $event ) {
if ( !container )
container = editor.getResizable();
startSize = { width: container.$.offsetWidth || 0, height: container.$.offsetHeight || 0 };
origin = { x: $event.screenX, y: $event.screenY };
config.resize_minWidth > startSize.width && ( config.resize_minWidth = startSize.width );
config.resize_minHeight > startSize.height && ( config.resize_minHeight = startSize.height );
CKEDITOR.document.on( 'mousemove', dragHandler );
CKEDITOR.document.on( 'mouseup', dragEndHandler );
if ( editor.document ) {
editor.document.on( 'mousemove', dragHandler );
editor.document.on( 'mouseup', dragEndHandler );
}
$event.preventDefault && $event.preventDefault();
} );
editor.on( 'destroy', function() {
CKEDITOR.tools.removeFunction( mouseDownFn );
} );
editor.on( 'uiSpace', function( event ) {
if ( event.data.space == 'bottom' ) {
var direction = '';
if ( resizeHorizontal && !resizeVertical )
direction = ' cke_resizer_horizontal';
if ( !resizeHorizontal && resizeVertical )
direction = ' cke_resizer_vertical';
var resizerHtml =
'<span' +
' id="' + spaceId + '"' +
' class="cke_resizer' + direction + ' cke_resizer_' + resizeDir + '"' +
' title="' + CKEDITOR.tools.htmlEncode( editor.lang.common.resize ) + '"' +
' onmousedown="CKEDITOR.tools.callFunction(' + mouseDownFn + ', event)"' +
'>' +
// BLACK LOWER RIGHT TRIANGLE (ltr)
// BLACK LOWER LEFT TRIANGLE (rtl)
( resizeDir == 'ltr' ? '\u25E2' : '\u25E3' ) +
'</span>';
// Always sticks the corner of botttom space.
resizeDir == 'ltr' && direction == 'ltr' ? event.data.html += resizerHtml : event.data.html = resizerHtml + event.data.html;
}
}, editor, null, 100 );
// Toggle the visibility of the resizer when an editor is being maximized or minimized.
editor.on( 'maximize', function( event ) {
editor.ui.space( 'resizer' )[ event.data == CKEDITOR.TRISTATE_ON ? 'hide' : 'show' ]();
} );
}
}
} );
/**
* The minimum editor width, in pixels, when resizing the editor interface by using the resize handle.
* Note: It falls back to editor's actual width if it is smaller than the default value.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_minWidth = 500;
*
* @cfg {Number} [resize_minWidth=750]
* @member CKEDITOR.config
*/
/**
* The minimum editor height, in pixels, when resizing the editor interface by using the resize handle.
* Note: It falls back to editor's actual height if it is smaller than the default value.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_minHeight = 600;
*
* @cfg {Number} [resize_minHeight=250]
* @member CKEDITOR.config
*/
/**
* The maximum editor width, in pixels, when resizing the editor interface by using the resize handle.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_maxWidth = 750;
*
* @cfg {Number} [resize_maxWidth=3000]
* @member CKEDITOR.config
*/
/**
* The maximum editor height, in pixels, when resizing the editor interface by using the resize handle.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_maxHeight = 600;
*
* @cfg {Number} [resize_maxHeight=3000]
* @member CKEDITOR.config
*/
/**
* Whether to enable the resizing feature. If this feature is disabled, the resize handle will not be visible.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_enabled = false;
*
* @cfg {Boolean} [resize_enabled=true]
* @member CKEDITOR.config
*/
/**
* The dimensions for which the editor resizing is enabled. Possible values
* are `both`, `vertical`, and `horizontal`.
*
* Read more in the {@glink features/resize documentation}
* and see the {@glink examples/resize example}.
*
* config.resize_dir = 'both';
*
* @since 3.3.0
* @cfg {String} [resize_dir='vertical']
* @member CKEDITOR.config
*/
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