Coverage Report - palmed.edit.selection.CharacterInsertion

Classes in this Package	Line Coverage	Branch Coverage	Complexity
CharacterInsertion	100%	100%	1.8;1,8

1		/**
2		* Redistribution and use in source and binary forms, with or without
3		* modification, are permitted provided that the following conditions are
4		* met :
5		*
6		* . Redistributions of source code must retain the above copyright
7		* notice, this list of conditions and the following disclaimer.
8		*
9		* . 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		* . The name of the author may not be used to endorse or promote products
14		* derived from this software without specific prior written permission.
15		*
16		* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17		* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18		* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19		* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20		* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21		* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22		* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25		* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26		* POSSIBILITY OF SUCH DAMAGE.
27		*
28		* $Id$
29		*/
30
31		package palmed.edit.selection;
32
33		import palmed.edit.text.IText;
34		import palmed.edit.util.Coordinate;
35
36		/**
37		* This class implements an action to insert a character at a given position.
38		*
39		* @author Mathieu Champlon
40		* @version $Revision$ $Date$
41		*/
42		public final class CharacterInsertion extends AbstractAction
43		{
44		/**
45		* The selection.
46		*/
47		private final ISelection selection_;
48		/**
49		* The text.
50		*/
51		private final IText text_;
52		/**
53		* The character to insert.
54		*/
55		private final char value_;
56		/**
57		* The insertion position.
58		*/
59		private final Coordinate insertion_;
60		/**
61		* The total number of inserted characters.
62		*/
63		private int count_;
64
65		/**
66		* Create a type action.
67		*
68		* @param selection the selection
69		* @param text the text
70		* @param value the character to insert
71		* @param insertion the insertion position
72		*/
73		public CharacterInsertion( final ISelection selection, final IText text, final char value,
74		final Coordinate insertion )
75		{
76	385	super( selection );
77	385	selection_ = selection;
78	385	text_ = text;
79	385	value_ = value;
80	385	insertion_ = insertion;
81	385	count_ = 1;
82	385	}
83
84		/**
85		* {@inheritDoc}
86		*/
87		protected void onPerform()
88		{
89	385	text_.insert( insertion_, value_ );
90	385	selection_.forward();
91	385	selection_.clear();
92	385	}
93
94		/**
95		* {@inheritDoc}
96		*/
97		protected boolean onUndo()
98		{
99	70	for( int i = 0; i < count_; ++i )
100	45	selection_.backward();
101	25	backupData();
102	25	selection_.delete();
103	25	return false;
104		}
105
106		/**
107		* {@inheritDoc}
108		*/
109		protected boolean onRedo()
110		{
111	10	restoreData();
112	30	for( int i = 0; i < count_; ++i )
113	20	selection_.forward();
114	10	return false;
115		}
116
117		/**
118		* {@inheritDoc}
119		*/
120		public boolean merge( final IAction action )
121		{
122	275	if( !(action instanceof CharacterInsertion) )
123	50	return false;
124	225	overwriteFinalState( (CharacterInsertion)action );
125	225	++count_;
126	225	return true;
127		}
128		}