1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove
23*b1cdbd2cSJim Jagielski #include "precompiled_svx.hxx"
24*b1cdbd2cSJim Jagielski #include <svx/sdrundomanager.hxx>
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski //////////////////////////////////////////////////////////////////////////////
27*b1cdbd2cSJim Jagielski
SdrUndoManager(sal_uInt16 nMaxUndoActionCount)28*b1cdbd2cSJim Jagielski SdrUndoManager::SdrUndoManager(sal_uInt16 nMaxUndoActionCount)
29*b1cdbd2cSJim Jagielski : EditUndoManager(nMaxUndoActionCount),
30*b1cdbd2cSJim Jagielski maEndTextEditHdl(),
31*b1cdbd2cSJim Jagielski mpLastUndoActionBeforeTextEdit(0),
32*b1cdbd2cSJim Jagielski mbEndTextEditTriggeredFromUndo(false)
33*b1cdbd2cSJim Jagielski {
34*b1cdbd2cSJim Jagielski }
35*b1cdbd2cSJim Jagielski
~SdrUndoManager()36*b1cdbd2cSJim Jagielski SdrUndoManager::~SdrUndoManager()
37*b1cdbd2cSJim Jagielski {
38*b1cdbd2cSJim Jagielski }
39*b1cdbd2cSJim Jagielski
Undo()40*b1cdbd2cSJim Jagielski sal_Bool SdrUndoManager::Undo()
41*b1cdbd2cSJim Jagielski {
42*b1cdbd2cSJim Jagielski if(isTextEditActive())
43*b1cdbd2cSJim Jagielski {
44*b1cdbd2cSJim Jagielski sal_Bool bRetval(sal_False);
45*b1cdbd2cSJim Jagielski
46*b1cdbd2cSJim Jagielski // we are in text edit mode
47*b1cdbd2cSJim Jagielski if(GetUndoActionCount() && mpLastUndoActionBeforeTextEdit != GetUndoAction(0))
48*b1cdbd2cSJim Jagielski {
49*b1cdbd2cSJim Jagielski // there is an undo action for text edit, trigger it
50*b1cdbd2cSJim Jagielski bRetval = EditUndoManager::Undo();
51*b1cdbd2cSJim Jagielski }
52*b1cdbd2cSJim Jagielski else
53*b1cdbd2cSJim Jagielski {
54*b1cdbd2cSJim Jagielski // no more text edit undo, end text edit
55*b1cdbd2cSJim Jagielski mbEndTextEditTriggeredFromUndo = true;
56*b1cdbd2cSJim Jagielski maEndTextEditHdl.Call(this);
57*b1cdbd2cSJim Jagielski mbEndTextEditTriggeredFromUndo = false;
58*b1cdbd2cSJim Jagielski }
59*b1cdbd2cSJim Jagielski
60*b1cdbd2cSJim Jagielski return bRetval;
61*b1cdbd2cSJim Jagielski }
62*b1cdbd2cSJim Jagielski else
63*b1cdbd2cSJim Jagielski {
64*b1cdbd2cSJim Jagielski // no undo triggered up to now, trigger local one
65*b1cdbd2cSJim Jagielski return SfxUndoManager::Undo();
66*b1cdbd2cSJim Jagielski }
67*b1cdbd2cSJim Jagielski }
68*b1cdbd2cSJim Jagielski
Redo()69*b1cdbd2cSJim Jagielski sal_Bool SdrUndoManager::Redo()
70*b1cdbd2cSJim Jagielski {
71*b1cdbd2cSJim Jagielski sal_Bool bRetval(sal_False);
72*b1cdbd2cSJim Jagielski
73*b1cdbd2cSJim Jagielski if(isTextEditActive())
74*b1cdbd2cSJim Jagielski {
75*b1cdbd2cSJim Jagielski // we are in text edit mode
76*b1cdbd2cSJim Jagielski bRetval = EditUndoManager::Redo();
77*b1cdbd2cSJim Jagielski }
78*b1cdbd2cSJim Jagielski
79*b1cdbd2cSJim Jagielski if(!bRetval)
80*b1cdbd2cSJim Jagielski {
81*b1cdbd2cSJim Jagielski // no redo triggered up to now, trigger local one
82*b1cdbd2cSJim Jagielski bRetval = SfxUndoManager::Redo();
83*b1cdbd2cSJim Jagielski }
84*b1cdbd2cSJim Jagielski
85*b1cdbd2cSJim Jagielski return bRetval;
86*b1cdbd2cSJim Jagielski }
87*b1cdbd2cSJim Jagielski
Clear()88*b1cdbd2cSJim Jagielski void SdrUndoManager::Clear()
89*b1cdbd2cSJim Jagielski {
90*b1cdbd2cSJim Jagielski if(isTextEditActive())
91*b1cdbd2cSJim Jagielski {
92*b1cdbd2cSJim Jagielski while(GetUndoActionCount() && mpLastUndoActionBeforeTextEdit != GetUndoAction(0))
93*b1cdbd2cSJim Jagielski {
94*b1cdbd2cSJim Jagielski RemoveLastUndoAction();
95*b1cdbd2cSJim Jagielski }
96*b1cdbd2cSJim Jagielski
97*b1cdbd2cSJim Jagielski // urgently needed: RemoveLastUndoAction does NOT correct the Redo stack by itself (!)
98*b1cdbd2cSJim Jagielski ClearRedo();
99*b1cdbd2cSJim Jagielski }
100*b1cdbd2cSJim Jagielski else
101*b1cdbd2cSJim Jagielski {
102*b1cdbd2cSJim Jagielski // call parent
103*b1cdbd2cSJim Jagielski EditUndoManager::Clear();
104*b1cdbd2cSJim Jagielski }
105*b1cdbd2cSJim Jagielski }
106*b1cdbd2cSJim Jagielski
SetEndTextEditHdl(const Link & rLink)107*b1cdbd2cSJim Jagielski void SdrUndoManager::SetEndTextEditHdl(const Link& rLink)
108*b1cdbd2cSJim Jagielski {
109*b1cdbd2cSJim Jagielski maEndTextEditHdl = rLink;
110*b1cdbd2cSJim Jagielski
111*b1cdbd2cSJim Jagielski if(isTextEditActive())
112*b1cdbd2cSJim Jagielski {
113*b1cdbd2cSJim Jagielski // text edit start, remember last non-textedit action for later cleanup
114*b1cdbd2cSJim Jagielski mpLastUndoActionBeforeTextEdit = GetUndoActionCount() ? GetUndoAction(0) : 0;
115*b1cdbd2cSJim Jagielski }
116*b1cdbd2cSJim Jagielski else
117*b1cdbd2cSJim Jagielski {
118*b1cdbd2cSJim Jagielski // text edit ends, pop all textedit actions up to the remembered non-textedit action from the start
119*b1cdbd2cSJim Jagielski // to set back the UndoManager to the state before text edit started. If that action is already gone
120*b1cdbd2cSJim Jagielski // (due to being removed from the undo stack in the meantime), all need to be removed anyways
121*b1cdbd2cSJim Jagielski while(GetUndoActionCount() && mpLastUndoActionBeforeTextEdit != GetUndoAction(0))
122*b1cdbd2cSJim Jagielski {
123*b1cdbd2cSJim Jagielski RemoveLastUndoAction();
124*b1cdbd2cSJim Jagielski }
125*b1cdbd2cSJim Jagielski
126*b1cdbd2cSJim Jagielski // urgently needed: RemoveLastUndoAction does NOT correct the Redo stack by itself (!)
127*b1cdbd2cSJim Jagielski ClearRedo();
128*b1cdbd2cSJim Jagielski
129*b1cdbd2cSJim Jagielski // forget marker again
130*b1cdbd2cSJim Jagielski mpLastUndoActionBeforeTextEdit = 0;
131*b1cdbd2cSJim Jagielski }
132*b1cdbd2cSJim Jagielski }
133*b1cdbd2cSJim Jagielski
isTextEditActive() const134*b1cdbd2cSJim Jagielski bool SdrUndoManager::isTextEditActive() const
135*b1cdbd2cSJim Jagielski {
136*b1cdbd2cSJim Jagielski return maEndTextEditHdl.IsSet();
137*b1cdbd2cSJim Jagielski }
138*b1cdbd2cSJim Jagielski
139*b1cdbd2cSJim Jagielski //////////////////////////////////////////////////////////////////////////////
140*b1cdbd2cSJim Jagielski // eof
141