Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "marktree.hxx"
21 : #include "dbu_control.hrc"
22 : #include <vcl/svapp.hxx>
23 :
24 : namespace dbaui
25 : {
26 : using namespace ::com::sun::star::uno;
27 : using namespace ::com::sun::star::lang;
28 :
29 : #define SPACEBETWEENENTRIES 4
30 :
31 : DBG_NAME(OMarkableTreeListBox)
32 :
33 0 : OMarkableTreeListBox::OMarkableTreeListBox( Window* pParent, const Reference< XMultiServiceFactory >& _rxORB, WinBits nWinStyle )
34 0 : : DBTreeListBox(pParent,_rxORB,nWinStyle)
35 : {
36 : DBG_CTOR(OMarkableTreeListBox,NULL);
37 :
38 0 : InitButtonData();
39 0 : }
40 :
41 0 : OMarkableTreeListBox::OMarkableTreeListBox( Window* pParent, const Reference< XMultiServiceFactory >& _rxORB, const ResId& rResId)
42 0 : : DBTreeListBox(pParent,_rxORB,rResId)
43 : {
44 : DBG_CTOR(OMarkableTreeListBox,NULL);
45 :
46 0 : InitButtonData();
47 0 : }
48 :
49 0 : OMarkableTreeListBox::~OMarkableTreeListBox()
50 : {
51 0 : delete m_pCheckButton;
52 :
53 : DBG_DTOR(OMarkableTreeListBox,NULL);
54 0 : }
55 :
56 0 : void OMarkableTreeListBox::Paint(const Rectangle& _rRect)
57 : {
58 0 : if (!IsEnabled())
59 : {
60 0 : Font aOldFont = GetFont();
61 0 : Font aNewFont(aOldFont);
62 :
63 0 : StyleSettings aSystemStyle = Application::GetSettings().GetStyleSettings();
64 0 : aNewFont.SetColor(aSystemStyle.GetDisableColor());
65 :
66 0 : SetFont(aNewFont);
67 0 : DBTreeListBox::Paint(_rRect);
68 0 : SetFont(aOldFont);
69 : }
70 : else
71 0 : DBTreeListBox::Paint(_rRect);
72 0 : }
73 :
74 0 : void OMarkableTreeListBox::InitButtonData()
75 : {
76 0 : m_pCheckButton = new SvLBoxButtonData( this );
77 0 : EnableCheckButton( m_pCheckButton );
78 0 : }
79 :
80 0 : void OMarkableTreeListBox::KeyInput( const KeyEvent& rKEvt )
81 : {
82 : // only if there are spaces
83 0 : if (rKEvt.GetKeyCode().GetCode() == KEY_SPACE && !rKEvt.GetKeyCode().IsShift() && !rKEvt.GetKeyCode().IsMod1())
84 : {
85 0 : SvTreeListEntry* pCurrentHandlerEntry = GetHdlEntry();
86 0 : if(pCurrentHandlerEntry)
87 : {
88 0 : SvButtonState eState = GetCheckButtonState( pCurrentHandlerEntry);
89 0 : if(eState == SV_BUTTON_CHECKED)
90 0 : SetCheckButtonState( pCurrentHandlerEntry, SV_BUTTON_UNCHECKED);
91 : else
92 0 : SetCheckButtonState( pCurrentHandlerEntry, SV_BUTTON_CHECKED);
93 :
94 0 : CheckButtonHdl();
95 : }
96 : else
97 0 : DBTreeListBox::KeyInput(rKEvt);
98 : }
99 : else
100 0 : DBTreeListBox::KeyInput(rKEvt);
101 0 : }
102 :
103 0 : SvButtonState OMarkableTreeListBox::implDetermineState(SvTreeListEntry* _pEntry)
104 : {
105 0 : SvButtonState eState = GetCheckButtonState(_pEntry);
106 0 : if (!GetModel()->HasChildren(_pEntry))
107 : // nothing to do in this bottom-up routine if there are no children ...
108 0 : return eState;
109 : #ifdef DBG_UTIL
110 : String sEntryText =GetEntryText(_pEntry);
111 : #endif
112 :
113 : // loop through the children and check their states
114 0 : sal_uInt16 nCheckedChildren = 0;
115 0 : sal_uInt16 nChildrenOverall = 0;
116 :
117 0 : SvTreeListEntry* pChildLoop = GetModel()->FirstChild(_pEntry);
118 0 : while (pChildLoop)
119 : {
120 : #ifdef DBG_UTIL
121 : String sChildText =GetEntryText(pChildLoop);
122 : #endif
123 0 : SvButtonState eChildState = implDetermineState(pChildLoop);
124 0 : if (SV_BUTTON_TRISTATE == eChildState)
125 0 : break;
126 :
127 0 : if (SV_BUTTON_CHECKED == eChildState)
128 0 : ++nCheckedChildren;
129 0 : ++nChildrenOverall;
130 :
131 0 : pChildLoop = GetModel()->NextSibling(pChildLoop);
132 : }
133 :
134 0 : if (pChildLoop)
135 : {
136 : // we did not finish the loop because at least one of the children is in tristate
137 0 : eState = SV_BUTTON_TRISTATE;
138 :
139 : // but this means that we did not finish all the siblings of pChildLoop,
140 : // so their checking may be incorrect at the moment
141 : // -> correct this
142 0 : while (pChildLoop)
143 : {
144 0 : implDetermineState(pChildLoop);
145 0 : pChildLoop = GetModel()->NextSibling(pChildLoop);
146 : }
147 : }
148 : else
149 : // none if the children are in tristate
150 0 : if (nCheckedChildren)
151 : // we have at least one child checked
152 0 : if (nCheckedChildren != nChildrenOverall)
153 : // not all children are checked
154 0 : eState = SV_BUTTON_TRISTATE;
155 : else
156 : // all children are checked
157 0 : eState = SV_BUTTON_CHECKED;
158 : else
159 : // no children are checked
160 0 : eState = SV_BUTTON_UNCHECKED;
161 :
162 : // finally set the entry to the state we just determined
163 0 : SetCheckButtonState(_pEntry, eState);
164 :
165 0 : return eState;
166 : }
167 :
168 0 : void OMarkableTreeListBox::CheckButtons()
169 : {
170 0 : SvTreeListEntry* pEntry = GetModel()->First();
171 0 : while (pEntry)
172 : {
173 0 : implDetermineState(pEntry);
174 0 : pEntry = GetModel()->NextSibling(pEntry);
175 : }
176 0 : }
177 :
178 0 : void OMarkableTreeListBox::CheckButtonHdl()
179 : {
180 0 : checkedButton_noBroadcast(GetHdlEntry());
181 0 : if (m_aCheckButtonHandler.IsSet())
182 0 : m_aCheckButtonHandler.Call(this);
183 0 : }
184 :
185 0 : void OMarkableTreeListBox::checkedButton_noBroadcast(SvTreeListEntry* _pEntry)
186 : {
187 0 : SvButtonState eState = GetCheckButtonState( _pEntry);
188 0 : if (GetModel()->HasChildren(_pEntry)) // if it has children, check those too
189 : {
190 0 : SvTreeListEntry* pChildEntry = GetModel()->Next(_pEntry);
191 0 : SvTreeListEntry* pSiblingEntry = GetModel()->NextSibling(_pEntry);
192 0 : while(pChildEntry && pChildEntry != pSiblingEntry)
193 : {
194 0 : SetCheckButtonState(pChildEntry, eState);
195 0 : pChildEntry = GetModel()->Next(pChildEntry);
196 : }
197 : }
198 :
199 0 : SvTreeListEntry* pEntry = IsSelected(_pEntry) ? FirstSelected() : NULL;
200 0 : while(pEntry)
201 : {
202 0 : SetCheckButtonState(pEntry,eState);
203 0 : if(GetModel()->HasChildren(pEntry)) // if it has children, check those too
204 : {
205 0 : SvTreeListEntry* pChildEntry = GetModel()->Next(pEntry);
206 0 : SvTreeListEntry* pSiblingEntry = GetModel()->NextSibling(pEntry);
207 0 : while(pChildEntry && pChildEntry != pSiblingEntry)
208 : {
209 0 : SetCheckButtonState(pChildEntry,eState);
210 0 : pChildEntry = GetModel()->Next(pChildEntry);
211 : }
212 : }
213 0 : pEntry = NextSelected(pEntry);
214 : }
215 0 : CheckButtons();
216 0 : }
217 :
218 : } // namespace
219 :
220 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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