1 /*
2 * Copyright (C) 2007 Apple Computer, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "RemoveFormatCommand.h"
28
29 #include "CSSComputedStyleDeclaration.h"
30 #include "CSSMutableStyleDeclaration.h"
31 #include "Editor.h"
32 #include "Frame.h"
33 #include "HTMLNames.h"
34 #include "VisibleSelection.h"
35 #include "SelectionController.h"
36 #include "TextIterator.h"
37 #include "TypingCommand.h"
38 #include "ApplyStyleCommand.h"
39
40 namespace WebCore {
41
42 using namespace HTMLNames;
43
RemoveFormatCommand(Document * document)44 RemoveFormatCommand::RemoveFormatCommand(Document* document)
45 : CompositeEditCommand(document)
46 {
47 }
48
doApply()49 void RemoveFormatCommand::doApply()
50 {
51 Frame* frame = document()->frame();
52
53 // Make a plain text string from the selection to remove formatting like tables and lists.
54 String string = plainText(frame->selection()->selection().toNormalizedRange().get());
55
56 // Get the default style for this editable root, it's the style that we'll give the
57 // content that we're operating on.
58 Node* root = frame->selection()->rootEditableElement();
59 RefPtr<CSSMutableStyleDeclaration> defaultStyle = editingStyleAtPosition(Position(root, 0));
60
61 // Delete the selected content.
62 // FIXME: We should be able to leave this to insertText, but its delete operation
63 // doesn't preserve the style we're about to set.
64 deleteSelection();
65
66 // Delete doesn't remove fully selected lists.
67 while (breakOutOfEmptyListItem())
68 ;
69
70 // If the selection was all formatting (like an empty list) the format-less text will
71 // be empty. Early return since we don't need to do any of the work that follows and
72 // to avoid the ASSERT that fires if input(...) is called with an empty String.
73 if (string.isEmpty())
74 return;
75
76 // Insert the content with the default style.
77 // See <rdar://problem/5794382> RemoveFormat doesn't always reset text alignment
78 frame->setTypingStyle(defaultStyle.get());
79
80 inputText(string, true);
81 }
82
83 }
84