1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/**
* @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @fileOverview AutoGrow plugin.
*/
(function() {
// Actual content height, figured out by appending check the last element's document position.
function contentHeight( scrollable ) {
var overflowY = scrollable.getStyle( 'overflow-y' );
var doc = scrollable.getDocument();
// Create a temporary marker element.
var marker = CKEDITOR.dom.element.createFromHtml( '<span style="margin:0;padding:0;border:0;clear:both;width:1px;height:1px;display:block;">' + ( CKEDITOR.env.webkit ? ' ' : '' ) + '</span>', doc );
doc[ CKEDITOR.env.ie ? 'getBody' : 'getDocumentElement' ]().append( marker );
var height = marker.getDocumentPosition( doc ).y + marker.$.offsetHeight;
marker.remove();
scrollable.setStyle( 'overflow-y', overflowY );
return height;
}
function getScrollable( editor ) {
var doc = editor.document,
body = doc.getBody(),
htmlElement = doc.getDocumentElement();
// Quirks mode overflows body, standards overflows document element
return doc.$.compatMode == 'BackCompat' ? body : htmlElement;
}
var resizeEditor = function( editor ) {
if ( !editor.window )
return;
var maximize = editor.getCommand( 'maximize' );
// Disable autogrow when the editor is maximized .(#6339)
if( maximize && maximize.state == CKEDITOR.TRISTATE_ON )
return;
var scrollable = getScrollable( editor ),
currentHeight = editor.window.getViewPaneSize().height,
newHeight = contentHeight( scrollable );
// Additional space specified by user.
newHeight += ( editor.config.autoGrow_bottomSpace || 0 );
var min = editor.config.autoGrow_minHeight != undefined ? editor.config.autoGrow_minHeight : 200,
max = editor.config.autoGrow_maxHeight || Infinity;
newHeight = Math.max( newHeight, min );
newHeight = Math.min( newHeight, max );
if ( newHeight != currentHeight ) {
newHeight = editor.fire( 'autoGrow', { currentHeight: currentHeight, newHeight: newHeight } ).newHeight;
editor.resize( editor.container.getStyle( 'width' ), newHeight, true );
}
if ( scrollable.$.scrollHeight > scrollable.$.clientHeight && newHeight < max )
scrollable.setStyle( 'overflow-y', 'hidden' );
else
scrollable.removeStyle( 'overflow-y' );
};
CKEDITOR.plugins.add( 'autogrow', {
init: function( editor ) {
// This feature is available only for themed ui instance.
if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE )
return;
editor.on( 'instanceReady', function() {
var editable = editor.editable();
// Simply set auto height with div wysiwyg.
if ( editable.isInline() )
editor.ui.space( 'contents' ).setStyle( 'height', 'auto' );
// For framed wysiwyg we need to resize the editor.
else
{
editor.addCommand( 'autogrow', {
exec:resizeEditor,
modes:{ wysiwyg:1 },
readOnly: 1,
canUndo: false,
editorFocus: false
} );
var eventsList = { contentDom:1,key:1,selectionChange:1,insertElement:1,mode:1 };
for ( var eventName in eventsList ) {
editor.on( eventName, function( evt ) {
// Some time is required for insertHtml, and it gives other events better performance as well.
if ( evt.editor.mode == 'wysiwyg' ) {
setTimeout( function() {
resizeEditor( evt.editor );
// Second pass to make correction upon
// the first resize, e.g. scrollbar.
resizeEditor( evt.editor );
}, 100 );
}
});
}
// Coordinate with the "maximize" plugin. (#9311)
editor.on( 'afterCommandExec', function( evt ) {
if ( evt.data.name == 'maximize' && evt.editor.mode == 'wysiwyg' ) {
if ( evt.data.command.state == CKEDITOR.TRISTATE_ON ) {
var scrollable = getScrollable( editor );
scrollable.removeStyle( 'overflow' );
}
else
resizeEditor( editor );
}
});
editor.config.autoGrow_onStartup && editor.execCommand( 'autogrow' );
}
});
}
});
})();
/**
* The minimum height that the editor can reach using the AutoGrow feature.
*
* config.autoGrow_minHeight = 300;
*
* @since 3.4
* @cfg {Number} [autoGrow_minHeight=200]
* @member CKEDITOR.config
*/
/**
* The maximum height that the editor can reach using the AutoGrow feature. Zero means unlimited.
*
* config.autoGrow_maxHeight = 400;
*
* @since 3.4
* @cfg {Number} [autoGrow_maxHeight=0]
* @member CKEDITOR.config
*/
/**
* Whether to have the auto grow happen on editor creation.
*
* config.autoGrow_onStartup = true;
*
* @since 3.6.2
* @cfg {Boolean} [autoGrow_onStartup=false]
* @member CKEDITOR.config
*/
/**
* Extra height in pixel to leave between the bottom boundary of content with document size when auto resizing.
*
* @since 3.6.2
* @cfg {Number} [autoGrow_bottomSpace=0]
* @member CKEDITOR.config
*/
/**
* Fired when the AutoGrow plugin is about to change the size of the editor.
*
* @event autogrow
* @member CKEDITOR.editor
* @param {CKEDITOR.editor} editor This editor instance.
* @param data
* @param {Number} data.currentHeight The current height of the editor (before resizing).
* @param {Number} data.newHeight The new height of the editor (after resizing). It can be changed
* to determine a different height value to be used instead.
*/
|
