1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "../../include/formfiller/FormFiller.h"
8 #include "../../include/formfiller/FFL_FormFiller.h"
9 #include "../../include/formfiller/FFL_ListBox.h"
10 //#include "../../include/formfiller/FFL_Module.h"
11 #include "../../include/formfiller/FFL_IFormFiller.h"
12 //#include "../../include/formfiller/FFL_Undo.h"
13 #include "../../include/formfiller/FFL_CBA_Fontmap.h"
14
15
16 #define FFL_DEFAULTLISTBOXFONTSIZE 12.0f
17
18
19 /* ------------------------------- CFFL_ListBox ------------------------------- */
20
CFFL_ListBox(CPDFDoc_Environment * pApp,CPDFSDK_Annot * pWidget)21 CFFL_ListBox::CFFL_ListBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget) :
22 CFFL_FormFiller(pApp, pWidget),
23 m_pFontMap(NULL)
24 {
25 }
26
~CFFL_ListBox()27 CFFL_ListBox::~CFFL_ListBox()
28 {
29 if (m_pFontMap)
30 {
31 delete m_pFontMap;
32 m_pFontMap = NULL;
33 }
34 }
35
GetCreateParam()36 PWL_CREATEPARAM CFFL_ListBox::GetCreateParam()
37 {
38 PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
39
40 ASSERT(m_pWidget != NULL);
41 FX_DWORD dwFieldFlag = m_pWidget->GetFieldFlags();
42
43 if (dwFieldFlag & FIELDFLAG_MULTISELECT)
44 {
45 cp.dwFlags |= PLBS_MULTIPLESEL;
46 }
47
48 if (dwFieldFlag & FIELDFLAG_COMMITONSELCHANGE)
49 {
50 //cp.dwFlags |= PLBS_COMMITSELECTEDVALUE;
51 }
52
53 cp.dwFlags |= PWS_VSCROLL;
54
55 if (cp.dwFlags & PWS_AUTOFONTSIZE)
56 cp.fFontSize = FFL_DEFAULTLISTBOXFONTSIZE;
57
58 if (!m_pFontMap)
59 {
60 ASSERT(this->m_pApp != NULL);
61 m_pFontMap = new CBA_FontMap(m_pWidget,m_pApp->GetSysHandler());//, ISystemHandle::GetSystemHandler(m_pApp));
62 m_pFontMap->Initial();
63 }
64 cp.pFontMap = m_pFontMap;
65
66 return cp;
67 }
68
NewPDFWindow(const PWL_CREATEPARAM & cp,CPDFSDK_PageView * pPageView)69 CPWL_Wnd* CFFL_ListBox::NewPDFWindow(const PWL_CREATEPARAM& cp, CPDFSDK_PageView* pPageView)
70 {
71 CPWL_ListBox* pWnd = new CPWL_ListBox();
72 pWnd->AttachFFLData(this);
73 pWnd->Create(cp);
74
75 ASSERT(m_pApp != NULL);
76 CFFL_IFormFiller* pIFormFiller = m_pApp->GetIFormFiller();
77 pWnd->SetFillerNotify(pIFormFiller);
78
79 ASSERT(m_pWidget != NULL);
80
81 for (FX_INT32 i=0,sz=m_pWidget->CountOptions(); i<sz; i++)
82 pWnd->AddString(m_pWidget->GetOptionLabel(i));
83
84 if (pWnd->HasFlag(PLBS_MULTIPLESEL))
85 {
86 m_OriginSelections.RemoveAll();
87
88 FX_BOOL bSetCaret = FALSE;
89 for (FX_INT32 i=0,sz=m_pWidget->CountOptions(); i<sz; i++)
90 {
91 if (m_pWidget->IsOptionSelected(i))
92 {
93 if (!bSetCaret)
94 {
95 pWnd->SetCaret(i);
96 bSetCaret = TRUE;
97 }
98 pWnd->Select(i);
99 m_OriginSelections.SetAt(i, NULL);
100 }
101 }
102 }
103 else
104 {
105 for (int i=0,sz=m_pWidget->CountOptions(); i<sz; i++)
106 {
107 if (m_pWidget->IsOptionSelected(i))
108 {
109 pWnd->Select(i);
110 break;
111 }
112 }
113 }
114
115 pWnd->SetTopVisibleIndex(m_pWidget->GetTopVisibleIndex());
116
117 return pWnd;
118 }
119
120
OnChar(CPDFSDK_Annot * pAnnot,FX_UINT nChar,FX_UINT nFlags)121 FX_BOOL CFFL_ListBox::OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags)
122 {
123 return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags);
124 }
125
IsDataChanged(CPDFSDK_PageView * pPageView)126 FX_BOOL CFFL_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView)
127 {
128 ASSERT(m_pWidget != NULL);
129
130 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
131 {
132 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT)
133 {
134 int nSelCount = 0;
135 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++)
136 {
137 if (pListBox->IsItemSelected(i))
138 {
139 void* p = NULL;
140 if (!m_OriginSelections.Lookup(i, p))
141 return TRUE;
142
143 nSelCount++;
144 }
145 }
146
147 return nSelCount != m_OriginSelections.GetCount();
148 }
149 else
150 {
151 return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0);
152 }
153 }
154
155 return FALSE;
156 }
157
SaveData(CPDFSDK_PageView * pPageView)158 void CFFL_ListBox::SaveData(CPDFSDK_PageView* pPageView)
159 {
160 ASSERT(m_pWidget != NULL);
161
162 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
163 {
164 CFX_IntArray aOldSelect, aNewSelect;
165
166 {
167 for (int i=0,sz=m_pWidget->CountOptions(); i<sz; i++)
168 {
169 if (m_pWidget->IsOptionSelected(i))
170 {
171 aOldSelect.Add(i);
172 }
173 }
174 }
175
176
177 FX_INT32 nNewTopIndex = pListBox->GetTopVisibleIndex();
178
179 m_pWidget->ClearSelection(FALSE);
180
181 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT)
182 {
183 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++)
184 {
185 if (pListBox->IsItemSelected(i))
186 {
187 m_pWidget->SetOptionSelection(i, TRUE, FALSE);
188 aNewSelect.Add(i);
189 }
190 }
191 }
192 else
193 {
194 m_pWidget->SetOptionSelection(pListBox->GetCurSel(), TRUE, FALSE);
195 aNewSelect.Add(pListBox->GetCurSel());
196 }
197
198 m_pWidget->SetTopVisibleIndex(nNewTopIndex);
199 m_pWidget->ResetFieldAppearance(TRUE);
200 m_pWidget->UpdateField();
201 SetChangeMark();
202 }
203 }
204
GetActionData(CPDFSDK_PageView * pPageView,CPDF_AAction::AActionType type,PDFSDK_FieldAction & fa)205 void CFFL_ListBox::GetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type,
206 PDFSDK_FieldAction& fa)
207 {
208 switch (type)
209 {
210 case CPDF_AAction::Validate:
211 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT)
212 {
213 fa.sValue = L"";
214 }
215 else
216 {
217 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
218 {
219 ASSERT(m_pWidget != NULL);
220 FX_INT32 nCurSel = pListBox->GetCurSel();
221 if (nCurSel >= 0)
222 fa.sValue = m_pWidget->GetOptionLabel(nCurSel);
223 }
224 }
225 break;
226 case CPDF_AAction::LoseFocus:
227 case CPDF_AAction::GetFocus:
228 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT)
229 {
230 fa.sValue = L"";
231 }
232 else
233 {
234 ASSERT(m_pWidget != NULL);
235 FX_INT32 nCurSel = m_pWidget->GetSelectedIndex(0);
236 if (nCurSel >= 0)
237 fa.sValue = m_pWidget->GetOptionLabel(nCurSel);
238 }
239 break;
240 default:
241 break;
242 }
243 }
244
245
SetActionData(CPDFSDK_PageView * pPageView,CPDF_AAction::AActionType type,const PDFSDK_FieldAction & fa)246 void CFFL_ListBox::SetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type,
247 const PDFSDK_FieldAction& fa)
248 {
249 }
250
SaveState(CPDFSDK_PageView * pPageView)251 void CFFL_ListBox::SaveState(CPDFSDK_PageView* pPageView)
252 {
253 ASSERT(pPageView != NULL);
254
255 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
256 {
257 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++)
258 {
259 if (pListBox->IsItemSelected(i))
260 {
261 m_State.Add(i);
262 }
263 }
264 }
265 }
266
RestoreState(CPDFSDK_PageView * pPageView)267 void CFFL_ListBox::RestoreState(CPDFSDK_PageView* pPageView)
268 {
269 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE))
270 {
271 for (int i=0,sz=m_State.GetSize(); i<sz; i++)
272 pListBox->Select(m_State[i]);
273 }
274 }
275
ResetPDFWindow(CPDFSDK_PageView * pPageView,FX_BOOL bRestoreValue)276 CPWL_Wnd* CFFL_ListBox::ResetPDFWindow(CPDFSDK_PageView* pPageView, FX_BOOL bRestoreValue)
277 {
278 if (bRestoreValue)
279 SaveState(pPageView);
280
281 DestroyPDFWindow(pPageView);
282
283 CPWL_Wnd* pRet = NULL;
284
285 if (bRestoreValue)
286 {
287 RestoreState(pPageView);
288 pRet = this->GetPDFWindow(pPageView, FALSE);
289 }
290 else
291 pRet = this->GetPDFWindow(pPageView, TRUE);
292
293 m_pWidget->UpdateField();
294
295 return pRet;
296 }
297
OnKeyStroke(FX_BOOL bKeyDown,FX_DWORD nFlag)298 void CFFL_ListBox::OnKeyStroke(FX_BOOL bKeyDown, FX_DWORD nFlag)
299 {
300 ASSERT(m_pWidget != NULL);
301
302 int nFlags = m_pWidget->GetFieldFlags();
303
304 if (nFlags & FIELDFLAG_COMMITONSELCHANGE)
305 {
306 if (m_bValid)
307 {
308 CPDFSDK_PageView* pPageView = this->GetCurPageView();
309 ASSERT(pPageView != NULL);
310
311 if (CommitData(pPageView, nFlag))
312 {
313 DestroyPDFWindow(pPageView);
314 m_bValid = FALSE;
315 }
316 }
317 }
318 }
319
320