开通博客赚积分
发布资源赚积分
分类

源码开发语言/平台
当前位置：首页 > 源码/资料 > 操作系统开发 > 查看源码
GraphLegend.cpp
资源名称：OSDemo　[点击查看]
上传用户：tianjwyx
上传日期：2007-01-13
资源大小：813k
文件大小：2k
源码类别：

操作系统开发

开发平台：

Visual C++

GraphLegend.cpp：源码内容
  1. //GraphLegend.cpp - Version 3.0 (Brian Convery, May, 2001)
  3. #include "stdafx.h"
  4. #include "GraphLegend.h"
  5. #include "GraphLegendSet.h"
  7. #ifdef _DEBUG
  8. #define new DEBUG_NEW
  9. #undef THIS_FILE
  10. static char THIS_FILE[] = __FILE__;
  11. #endif
  13. /////////////////////////////////////////////////////////////////////////////
  14. // CGraphLegend
  16. CGraphLegend::CGraphLegend()
  17. {
  18. legendLabels = new CObList();
  19. legendLength = 0;
  21. }
  23. CGraphLegend::~CGraphLegend()
  24. {
  25. POSITION pos;
  26. CGraphLegendSet *legendSet;
  27. pos = legendLabels->GetHeadPosition();
  28. while(pos != NULL)
  29. {
  30. legendSet = (CGraphLegendSet*)legendLabels->GetAt(pos);
  31. legendLabels->RemoveAt(pos);
  32. delete legendSet;
  33. }
  34. delete legendLabels;
  35. }
  38. BEGIN_MESSAGE_MAP(CGraphLegend, CStatic)
  39. //{{AFX_MSG_MAP(CGraphLegend)
  40. // NOTE - the ClassWizard will add and remove mapping macros here.
  41. //}}AFX_MSG_MAP
  42. END_MESSAGE_MAP()
  44. /////////////////////////////////////////////////////////////////////////////
  45. // CGraphLegend message handlers
  47. void CGraphLegend::SetLegendText(int datagroup, CString label)
  48. {
  49. CGraphLegendSet *legendData = new CGraphLegendSet();
  50. legendData->SetLegendLabel(datagroup, label);
  51. legendLabels->AddTail(legendData);
  52. if(label.GetLength() > legendLength)
  53. legendLength = label.GetLength();
  54. }
  56. CString CGraphLegend::GetLegendText(int datagroup)
  57. {
  58. POSITION pos;
  59. CGraphLegendSet *legendData;
  60. if((legendLabels->GetCount() < datagroup) || (legendLabels->GetCount() == 0))
  61. return "";
  62. pos = legendLabels->GetHeadPosition();
  63. for(int i = 0; i < datagroup; i++)
  64. legendLabels->GetNext(pos);
  65. legendData = (CGraphLegendSet*)legendLabels->GetAt(pos);
  66. return legendData->GetLegendLabel();
  67. }
  69. int CGraphLegend::GetLegendLength()
  70. {
  71. return legendLength;
  72. }
  74. void CGraphLegend::Remove(int dataGroup)
  75. {
  76. POSITION pos;
  77. CGraphLegendSet *legendSet;
  78. pos = legendLabels->GetHeadPosition();
  79. for(int i = 0; i < dataGroup; i++)
  80. {
  81. legendSet = (CGraphLegendSet*)legendLabels->GetAt(pos);
  82. legendLabels->GetNext(pos);
  83. }
  84. legendLabels->RemoveAt(pos);
  85. delete legendSet;
  86. }
  88. void CGraphLegend::RemoveAll()
  89. {
  90. POSITION pos;
  91. CGraphLegendSet *legendSet;
  92. pos = legendLabels->GetHeadPosition();
  93. while(pos != NULL)
  94. {
  95. legendSet = (CGraphLegendSet*)legendLabels->GetAt(pos);
  96. legendLabels->RemoveAt(pos);
  97. delete legendSet;
  98. }
  99. }