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 for (FX_INT32 i=0,sz=m_pWidget->CountOptions(); i<sz; i++) 80 pWnd->AddString(m_pWidget->GetOptionLabel(i).c_str()); 81 82 if (pWnd->HasFlag(PLBS_MULTIPLESEL)) 83 { 84 m_OriginSelections.RemoveAll(); 85 86 FX_BOOL bSetCaret = FALSE; 87 for (FX_INT32 i=0,sz=m_pWidget->CountOptions(); i<sz; i++) 88 { 89 if (m_pWidget->IsOptionSelected(i)) 90 { 91 if (!bSetCaret) 92 { 93 pWnd->SetCaret(i); 94 bSetCaret = TRUE; 95 } 96 pWnd->Select(i); 97 m_OriginSelections.SetAt(i, NULL); 98 } 99 } 100 } 101 else 102 { 103 for (int i=0,sz=m_pWidget->CountOptions(); i<sz; i++) 104 { 105 if (m_pWidget->IsOptionSelected(i)) 106 { 107 pWnd->Select(i); 108 break; 109 } 110 } 111 } 112 113 pWnd->SetTopVisibleIndex(m_pWidget->GetTopVisibleIndex()); 114 115 return pWnd; 116 } 117 118 119 FX_BOOL CFFL_ListBox::OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags) 120 { 121 return CFFL_FormFiller::OnChar(pAnnot, nChar, nFlags); 122 } 123 124 FX_BOOL CFFL_ListBox::IsDataChanged(CPDFSDK_PageView* pPageView) 125 { 126 ASSERT(m_pWidget != NULL); 127 128 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) 129 { 130 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) 131 { 132 int nSelCount = 0; 133 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++) 134 { 135 if (pListBox->IsItemSelected(i)) 136 { 137 void* p = NULL; 138 if (!m_OriginSelections.Lookup(i, p)) 139 return TRUE; 140 141 nSelCount++; 142 } 143 } 144 145 return nSelCount != m_OriginSelections.GetCount(); 146 } 147 else 148 { 149 return pListBox->GetCurSel() != m_pWidget->GetSelectedIndex(0); 150 } 151 } 152 153 return FALSE; 154 } 155 156 void CFFL_ListBox::SaveData(CPDFSDK_PageView* pPageView) 157 { 158 ASSERT(m_pWidget != NULL); 159 160 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) 161 { 162 CFX_IntArray aOldSelect, aNewSelect; 163 164 { 165 for (int i=0,sz=m_pWidget->CountOptions(); i<sz; i++) 166 { 167 if (m_pWidget->IsOptionSelected(i)) 168 { 169 aOldSelect.Add(i); 170 } 171 } 172 } 173 174 175 FX_INT32 nNewTopIndex = pListBox->GetTopVisibleIndex(); 176 177 m_pWidget->ClearSelection(FALSE); 178 179 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) 180 { 181 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++) 182 { 183 if (pListBox->IsItemSelected(i)) 184 { 185 m_pWidget->SetOptionSelection(i, TRUE, FALSE); 186 aNewSelect.Add(i); 187 } 188 } 189 } 190 else 191 { 192 m_pWidget->SetOptionSelection(pListBox->GetCurSel(), TRUE, FALSE); 193 aNewSelect.Add(pListBox->GetCurSel()); 194 } 195 196 m_pWidget->SetTopVisibleIndex(nNewTopIndex); 197 m_pWidget->ResetFieldAppearance(TRUE); 198 m_pWidget->UpdateField(); 199 SetChangeMark(); 200 } 201 } 202 203 void CFFL_ListBox::GetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, 204 PDFSDK_FieldAction& fa) 205 { 206 switch (type) 207 { 208 case CPDF_AAction::Validate: 209 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) 210 { 211 fa.sValue = L""; 212 } 213 else 214 { 215 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) 216 { 217 ASSERT(m_pWidget != NULL); 218 FX_INT32 nCurSel = pListBox->GetCurSel(); 219 if (nCurSel >= 0) 220 fa.sValue = m_pWidget->GetOptionLabel(nCurSel); 221 } 222 } 223 break; 224 case CPDF_AAction::LoseFocus: 225 case CPDF_AAction::GetFocus: 226 if (m_pWidget->GetFieldFlags() & FIELDFLAG_MULTISELECT) 227 { 228 fa.sValue = L""; 229 } 230 else 231 { 232 ASSERT(m_pWidget != NULL); 233 FX_INT32 nCurSel = m_pWidget->GetSelectedIndex(0); 234 if (nCurSel >= 0) 235 fa.sValue = m_pWidget->GetOptionLabel(nCurSel); 236 } 237 break; 238 default: 239 break; 240 } 241 } 242 243 244 void CFFL_ListBox::SetActionData(CPDFSDK_PageView* pPageView, CPDF_AAction::AActionType type, 245 const PDFSDK_FieldAction& fa) 246 { 247 } 248 249 void CFFL_ListBox::SaveState(CPDFSDK_PageView* pPageView) 250 { 251 ASSERT(pPageView != NULL); 252 253 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) 254 { 255 for (FX_INT32 i=0,sz=pListBox->GetCount(); i<sz; i++) 256 { 257 if (pListBox->IsItemSelected(i)) 258 { 259 m_State.Add(i); 260 } 261 } 262 } 263 } 264 265 void CFFL_ListBox::RestoreState(CPDFSDK_PageView* pPageView) 266 { 267 if (CPWL_ListBox* pListBox = (CPWL_ListBox*)GetPDFWindow(pPageView, FALSE)) 268 { 269 for (int i=0,sz=m_State.GetSize(); i<sz; i++) 270 pListBox->Select(m_State[i]); 271 } 272 } 273 274 CPWL_Wnd* CFFL_ListBox::ResetPDFWindow(CPDFSDK_PageView* pPageView, FX_BOOL bRestoreValue) 275 { 276 if (bRestoreValue) 277 SaveState(pPageView); 278 279 DestroyPDFWindow(pPageView); 280 281 CPWL_Wnd* pRet = NULL; 282 283 if (bRestoreValue) 284 { 285 RestoreState(pPageView); 286 pRet = this->GetPDFWindow(pPageView, FALSE); 287 } 288 else 289 pRet = this->GetPDFWindow(pPageView, TRUE); 290 291 m_pWidget->UpdateField(); 292 293 return pRet; 294 } 295 296 void CFFL_ListBox::OnKeyStroke(FX_BOOL bKeyDown, FX_DWORD nFlag) 297 { 298 ASSERT(m_pWidget != NULL); 299 300 int nFlags = m_pWidget->GetFieldFlags(); 301 302 if (nFlags & FIELDFLAG_COMMITONSELCHANGE) 303 { 304 if (m_bValid) 305 { 306 CPDFSDK_PageView* pPageView = this->GetCurPageView(); 307 ASSERT(pPageView != NULL); 308 309 if (CommitData(pPageView, nFlag)) 310 { 311 DestroyPDFWindow(pPageView); 312 m_bValid = FALSE; 313 } 314 } 315 } 316 } 317 318
