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 21 CFFL_ListBox::CFFL_ListBox(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pWidget) : 22 CFFL_FormFiller(pApp, pWidget), 23 m_pFontMap(NULL) 24 { 25 } 26 27 CFFL_ListBox::~CFFL_ListBox() 28 { 29 if (m_pFontMap) 30 { 31 delete m_pFontMap; 32 m_pFontMap = NULL; 33 } 34 } 35 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 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 } 119 120 121 FX_BOOL CFFL_ListBox::OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags) 122 { 123 return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags); 124 } 125 126 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 } 157 158 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 } 204 205 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 } 244 245 246 void CFFL_ListBox::SetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, 247 const PDFSDK_FieldAction& fa) 248 { 249 } 250 251 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 } 266 267 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 } 275 276 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 } 297 298 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
