在对话框中使用网页输入数据
2008-03-11 11:18
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作者的话:使用DHTMLEdit控件在应用程序中显示HTML是一个学习简单但是不很有效的方法,可以用于浏览器编程入门。
此对话框使用了IE5附带的DHTMLEdit控件。
此对话框使用了IE5附带的DHTMLEdit控件。
头文件 | //{{AFX_INCLUDES() #include "dhtmledit/dhtmledit.h" //}}AFX_INCLUDES #if !defined(AFX_PARAMDLG_H__0655C0B1_BEAD_4F17_AAAC_506C1D07D073__INCLUDED_) #define AFX_PARAMDLG_H__0655C0B1_BEAD_4F17_AAAC_506C1D07D073__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 // ParamDlg.h : header file // class CHtmlparam:public CObject{ public: CString m_strAlt; COleVariant m_varVal; }; #define HTML_TAG_INPUT _T("INPUT") #define HTML_TAG_SELECT _T("SELECT") #define HTML_ATTRIB_NAME _T("NAME") #define HTML_ATTRIB_VALUE _T("VALUE") #define HTML_ATTRIB_CHECKED _T("checked") #define HTML_ATTRIB_TYPE _T("TYPE") #define HTML_ATTRIB_ALT _T("ALT") #define HTML_TYPE_CHECKBOX _T("checkbox") ///////////////////////////////////////////////////////////////////////////// // CParamDlg dialog CString HTMLElement_GetValueAttributeName(CHTMLElement* pel); CString HTMLElement_GetToolTipAttributeName(CHTMLElement* pel); CString HTMLElement_GetIDOrName(CHTMLElement* pel); BOOL HTMLElement_IsInputElement(CHTMLElement* pel); BOOL HTMLElement_IsInputCheckBoxElement(CHTMLElement* pel); class CParamDlg : public CDialog { // Construction public: CParamDlg(CWnd* pParent = NULL); // standard constructor ~CParamDlg(); // Dialog Data //{{AFX_DATA(CParamDlg) enum { IDD = IDD_PARAM_DLG }; CDHTMLEdit m_wndDhtmlEdit; //}}AFX_DATA CString m_strFilePath; CString m_strFileURL; COleVariant GetValue(CString strName); void GetValue(CString strName,int& iVal); void GetValue(CString strName,long& lVal); void GetValue(CString strName,CString& strVal); void SetValue(CString strName, COleVariant varVal, LPCTSTR lpszAlt=NULL);//displayed as tooltip void SetValue(CString strName, int iVal, LPCTSTR lpszAlt=NULL);//displayed as tooltip void SetValueBool(CString strName, BOOL bVal, LPCTSTR lpszAlt=NULL);//displayed as tooltip // Overrides // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CParamDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: CMapStringToOb m_mapNameToParam; BOOL LoadValues(); BOOL SaveValues(); // Generated message map functions //{{AFX_MSG(CParamDlg) virtual BOOL OnInitDialog(); afx_msg void OnDocumentCompleteDhtmledit1(); virtual void OnOK(); DECLARE_EVENTSINK_MAP() //}}AFX_MSG DECLARE_MESSAGE_MAP() }; //{{AFX_INSERT_LOCATION}} // Microsoft Visual C++ will insert additional declarations immediately before the previous line. #endif // !defined (AFX_PARAMDLG_H__0655C0B1_BEAD_4F17_AAAC_506C1D07D073__INCLUDED_) |
实现文件 | // ParamDlg.cpp : implementation file // #include "stdafx.h" #include #include #include #include "dhtmledit/htmlelementcollection.h" #include "dhtmledit/htmldocument2.h" #include "dhtmledit/htmlelement.h" #include "WorkBench.h" #include "ParamDlg.h" #include "global.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CParamDlg dialog CParamDlg::CParamDlg(CWnd* pParent /*=NULL*/) : CDialog(CParamDlg::IDD, pParent) { //{{AFX_DATA_INIT(CParamDlg) //}}AFX_DATA_INIT m_strFileURL.Empty(); m_strFilePath.Empty(); m_mapNameToParam.RemoveAll(); } CParamDlg::~CParamDlg() { POSITION pos=m_mapNameToParam.GetStartPosition(); CString strKey; CObject* pOb; while(pos){ m_mapNameToParam.GetNextAssoc(pos,strKey,pOb); delete pOb; } } void CParamDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CParamDlg) DDX_Control(pDX, IDC_DHTMLEDIT1, m_wndDhtmlEdit); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CParamDlg, CDialog) //{{AFX_MSG_MAP(CParamDlg) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CParamDlg message handlers BOOL CParamDlg::OnInitDialog() { CDialog::OnInitDialog(); // TODO: Add extra initialization here COleVariant varFile,varPrompt; varPrompt.vt=VT_BOOL; varPrompt.boolVal=FALSE; if(!m_strFileURL.IsEmpty()) varFile=m_strFileURL; else varFile=m_strFilePath; TRY{ m_wndDhtmlEdit.LoadDocument(&varFile,&varPrompt); } CATCH(COleDispatchException,pEx) { CGlobal::ProcessOleDispatchException(pEx); return FALSE; } AND_CATCH(CException,pEx) { CGlobal::ProcessException(pEx); return FALSE; } END_CATCH return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE } BEGIN_EVENTSINK_MAP(CParamDlg, CDialog) //{{AFX_EVENTSINK_MAP(CParamDlg) ON_EVENT(CParamDlg, IDC_DHTMLEDIT1, 1 /* DocumentComplete */, OnDocumentCompleteDhtmledit1, VTS_NONE) //}}AFX_EVENTSINK_MAP END_EVENTSINK_MAP() void CParamDlg::OnDocumentCompleteDhtmledit1() { GetDlgItem(IDOK)->EnableWindow(TRUE); //read value from data LoadValues(); } void CParamDlg::OnOK() { // TODO: Add extra validation here if(!SaveValues())return; CDialog::OnOK(); } BOOL CParamDlg::LoadValues() { TRY{ CHTMLElementCollection ecAll=m_wndDhtmlEdit.GetDom().GetAll(); long lecLength=ecAll.GetLength(); COleVariant varIndex,varTemp;//var2 is not used because accessing index,not name varIndex.vt=VT_I4; CString strElementID,strTemp; CHtmlparam* pHtmlparam; CObject* pOb; for(int i=0;im_varVal,0); } } strTemp=HTMLElement_GetToolTipAttributeName(&el); if(!strTemp.IsEmpty()){//can have ToolTip varTemp=pHtmlparam->m_strAlt; el.setAttribute(strTemp,varTemp,0); } } } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); return FALSE; } END_CATCH return TRUE; } BOOL CParamDlg::SaveValues() { TRY{ CHTMLElementCollection ecAll=m_wndDhtmlEdit.GetDom().GetAll(); long lecLength=ecAll.GetLength(); COleVariant varIndex,varTemp;//var2 is not used because accessing index,not name varIndex.vt=VT_I4; CString strElementID,strTemp; CHtmlparam* pHtmlparam; CObject* pOb; for(int i=0;im_varVal.ChangeType(pHtmlparam->m_varVal.vt,&varTemp); } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); el.InvokeHelper(DISPID_IHTMLELEMENT2_FOCUS,DISPATCH_METHOD, VT_EMPTY, NULL, NULL); return FALSE; } END_CATCH } } } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); return FALSE; } END_CATCH return TRUE; } COleVariant CParamDlg::GetValue(CString strName) { COleVariant varRet; CHtmlparam* pHtmlparam; CObject* pOb; if(m_mapNameToParam.Lookup(strName,pOb)){//found pHtmlparam=(CHtmlparam*)pOb; varRet=pHtmlparam->m_varVal; } return varRet; } void CParamDlg::GetValue(CString strName,int& iVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_I4); iVal=var.iVal; } void CParamDlg::GetValue(CString strName,long& lVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_I4); lVal=var.lVal; } void CParamDlg::GetValue(CString strName,CString& strVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_BSTR); strVal=var.bstrVal; } void CParamDlg::SetValue(CString strName, COleVariant varVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { COleVariant varRet; CHtmlparam* pHtmlparam; CObject* pOb; if(m_mapNameToParam.Lookup(strName,pOb)){//found pHtmlparam=(CHtmlparam*)pOb; } else{ pHtmlparam=new CHtmlparam; m_mapNameToParam.SetAt(strName,pHtmlparam); } pHtmlparam->m_varVal=varVal; if(lpszAlt) pHtmlparam->m_strAlt=lpszAlt; } void CParamDlg::SetValue(CString strName, int iVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { COleVariant var; var.vt=VT_I4; var.iVal=iVal; SetValue(strName,var,lpszAlt); } void CParamDlg::SetValueBool(CString strName, BOOL bVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { SetValue(strName,COleVariant((long)bVal,VT_BOOL),lpszAlt); } CString HTMLElement_GetValueAttributeName(CHTMLElement* pel) { CString strValAttribName; CString strTagName=pel->GetTagName(); if(!strTagName.CompareNoCase(HTML_TAG_INPUT)||!strTagName.CompareNoCase(HTML_TAG_SELECT)){ strValAttribName=HTML_ATTRIB_VALUE; } if(HTMLElement_IsInputCheckBoxElement(pel)) strValAttribName=HTML_ATTRIB_CHECKED; //to be continued return strValAttribName; } CString HTMLElement_GetToolTipAttributeName(CHTMLElement* pel) { CString strTipAttribName; CString strTagName=pel->GetTagName(); if(!strTagName.CompareNoCase(HTML_TAG_INPUT)) strTipAttribName=HTML_ATTRIB_ALT; //to be continued return strTipAttribName; } CString HTMLElement_GetIDOrName(CHTMLElement* pel) { COleVariant varTemp; CString strElementID=pel->GetId(); if(strElementID.IsEmpty()){ varTemp=pel->getAttribute(HTML_ATTRIB_NAME,0); varTemp.ChangeType(VT_BSTR); strElementID=varTemp.bstrVal; } return strElementID; } BOOL HTMLElement_IsInputElement(CHTMLElement* pel) { CString strTagName=pel->GetTagName(); return (!strTagName.CompareNoCase(HTML_TAG_INPUT)); } BOOL HTMLElement_IsInputCheckBoxElement(CHTMLElement* pel) { BOOL bRet=FALSE; if(HTMLElement_IsInputElement(pel)){ COleVariant varTemp=pel->getAttribute(HTML_ATTRIB_TYPE,0); varTemp.ChangeType(VT_BSTR); CString strTemp=varTemp.bstrVal; if(!strTemp.CompareNoCase(HTML_TYPE_CHECKBOX)) bRet=TRUE; } return bRet; } * pHtmlparam; CObject* pOb; for(int i=0;im_varVal,0); } } strTemp=HTMLElement_GetToolTipAttributeName(&el); if(!strTemp.IsEmpty()){//can have ToolTip varTemp=pHtmlparam->m_strAlt; el.setAttribute(strTemp,varTemp,0); } } } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); return FALSE; } END_CATCH return TRUE; } BOOL CParamDlg::SaveValues() { TRY{ CHTMLElementCollection ecAll=m_wndDhtmlEdit.GetDom().GetAll(); long lecLength=ecAll.GetLength(); COleVariant varIndex,varTemp;//var2 is not used because accessing index,not name varIndex.vt=VT_I4; CString strElementID,strTemp; CHtmlparam* pHtmlparam; CObject* pOb; for(int i=0;im_varVal.ChangeType(pHtmlparam->m_varVal.vt,&varTemp); } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); el.InvokeHelper(DISPID_IHTMLELEMENT2_FOCUS,DISPATCH_METHOD, VT_EMPTY, NULL, NULL); return FALSE; } END_CATCH } } } CATCH(CException,pEx) { CGlobal::ProcessException(pEx); return FALSE; } END_CATCH return TRUE; } COleVariant CParamDlg::GetValue(CString strName) { COleVariant varRet; CHtmlparam* pHtmlparam; CObject* pOb; if(m_mapNameToParam.Lookup(strName,pOb)){//found pHtmlparam=(CHtmlparam*)pOb; varRet=pHtmlparam->m_varVal; } return varRet; } void CParamDlg::GetValue(CString strName,int& iVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_I4); iVal=var.iVal; } void CParamDlg::GetValue(CString strName,long& lVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_I4); lVal=var.lVal; } void CParamDlg::GetValue(CString strName,CString& strVal) { COleVariant var=GetValue(strName); var.ChangeType(VT_BSTR); strVal=var.bstrVal; } void CParamDlg::SetValue(CString strName, COleVariant varVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { COleVariant varRet; CHtmlparam* pHtmlparam; CObject* pOb; if(m_mapNameToParam.Lookup(strName,pOb)){//found pHtmlparam=(CHtmlparam*)pOb; } else{ pHtmlparam=new CHtmlparam; m_mapNameToParam.SetAt(strName,pHtmlparam); } pHtmlparam->m_varVal=varVal; if(lpszAlt) pHtmlparam->m_strAlt=lpszAlt; } void CParamDlg::SetValue(CString strName, int iVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { COleVariant var; var.vt=VT_I4; var.iVal=iVal; SetValue(strName,var,lpszAlt); } void CParamDlg::SetValueBool(CString strName, BOOL bVal, LPCTSTR lpszAlt/*=NULL*/)//displayed as tooltip { SetValue(strName,COleVariant((long)bVal,VT_BOOL),lpszAlt); } CString HTMLElement_GetValueAttributeName(CHTMLElement* pel) { CString strValAttribName; CString strTagName=pel->GetTagName(); if(!strTagName.CompareNoCase(HTML_TAG_INPUT)||!strTagName.CompareNoCase(HTML_TAG_SELECT)){ strValAttribName=HTML_ATTRIB_VALUE; } if(HTMLElement_IsInputCheckBoxElement(pel)) strValAttribName=HTML_ATTRIB_CHECKED; //to be continued return strValAttribName; } CString HTMLElement_GetToolTipAttributeName(CHTMLElement* pel) { CString strTipAttribName; CString strTagName=pel->GetTagName(); if(!strTagName.CompareNoCase(HTML_TAG_INPUT)) strTipAttribName=HTML_ATTRIB_ALT; //to be continued return strTipAttribName; } CString HTMLElement_GetIDOrName(CHTMLElement* pel) { COleVariant varTemp; CString strElementID=pel->GetId(); if(strElementID.IsEmpty()){ varTemp=pel->getAttribute(HTML_ATTRIB_NAME,0); varTemp.ChangeType(VT_BSTR); strElementID=varTemp.bstrVal; } return strElementID; } BOOL HTMLElement_IsInputElement(CHTMLElement* pel) { CString strTagName=pel->GetTagName(); return (!strTagName.CompareNoCase(HTML_TAG_INPUT)); } BOOL HTMLElement_IsInputCheckBoxElement(CHTMLElement* pel) { BOOL bRet=FALSE; if(HTMLElement_IsInputElement(pel)){ COleVariant varTemp=pel->getAttribute(HTML_ATTRIB_TYPE,0); varTemp.ChangeType(VT_BSTR); CString strTemp=varTemp.bstrVal; if(!strTemp.CompareNoCase(HTML_TYPE_CHECKBOX)) bRet=TRUE; } return bRet; } |
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