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标题: 编辑器 [打印本页]

作者: hechengjin 时间: 2016-4-21 00:17
标题: 编辑器
右键菜单：

---粘贴：有表格，但border=0
cmd_pastensEditorController.cpp
NS_REGISTER_ONE_COMMAND(nsPasteCommand, "cmd_paste");

nsEditorCommands.cpp
nsPasteCommand:: DoCommand(const char *aCommandName, nsISupports *aCommandRefCon)
{
return editor-> Paste(nsIClipboard::kGlobalClipboard);
}
nsHTMLDataTransfer.cpp
NS_IMETHODIMP nsHTMLEditor:: Paste(int32_t aSelectionType)

return InsertFromTransferable(trans, nullptr, contextStr, infoStr,
                              nullptr, 0, true);
}InsertFromTransferable(....)
{
nsXPIDLString cfcontext, cffragment, cfselection; // cfselection left emtpy for now

      rv = ParseCFHTML(cfhtml, getter_Copies(cffragment), getter_Copies(cfcontext)); //cfcontext这里面修改解析后的内容让border=1

//ParseCFHTML解析完后，cfcontext含有<table border=0 cellpadding=0 cellspacing=0 width=216 style='border-collapse: 等table信息，即 border=0
//cffragment 只含有相关列信息 <col width=72 span=3 style='width:54pt'> 等
rv = DoInsertHTMLWithContext(cffragment,
                                    cfcontext, cfselection, flavor,
}
nsHTMLEditor:: DoInsertHTMLWithContext(const nsAString & aInputString,
                                    const nsAString & aContextStr,
{
nsresult rv = CreateDOMFragmentFromPaste(aInputString, aContextStr, aInfoStr,
}
nsresult nsHTMLEditor::CreateDOMFragmentFromPaste(const nsAString &aInputString,
                                                const nsAString & aContextStr,
{
if (!aContextStr.IsEmpty())
  {
rv = ParseFragment(aContextStr, nullptr, doc, address_of(contextAsNode),
                     aTrustedInput);

}
/************
table相关
rv = ParseFragment(aContextStr, nullptr, doc, address_of(contextAsNode),
                     aTrustedInput);

nsContentUtils:: ParseFragmentHTML(aFragStr,

/mozilla/content/base/src/nsContentUtils.cpp
nsContentUtils:: ParseFragmentHTML(const nsAString& aSourceBuffer,
{ sHTMLFragmentParser = new nsHtml5StringParser()
nsresult rv =
sHTMLFragmentParser->ParseFragment(aSourceBuffer,
                                    aTargetNode,
                                    aContextLocalName,
                                    aContextNamespace,
                                    aQuirks,
                                    aPreventScriptExecution);
}

mozilla/parser/html/nsHtml5Parser.cpp

nsHtml5Parser::ParseFragment(const nsAString& aSourceBuffer,                            nsTArray<nsString>& aTagStack) { return NS_ERROR_NOT_IMPLEMENTED; }
************************/
---粘贴为无格式文本  无表格
cmd_pasteNoFormatting
nsComposerController.cpp
NS_REGISTER_ONE_COMMAND(nsPasteNoFormattingCommand, "cmd_pasteNoFormatting");

/mozilla/editor/composer/src/nsComposerCommands.cppnsPasteNoFormattingCommand:: DoCommand(const char *aCommandName,
{
return htmlEditor->PasteNoFormatting(nsIClipboard::kGlobalClipboard);
}
nsHTMLDataTransfer.cpp
NS_IMETHODIMP nsHTMLEditor:: PasteNoFormatting(int32_t aSelectionType)
{  rv = InsertFromTransferable(trans, nullptr, empty, empty, nullptr, 0,
                              true);
}
---粘贴为引文有表格，但增加type=cite模式，即只有鼠标移上去时，才会显示边框

cmd_pasteQuote
nsEditorController.cpp
NS_REGISTER_ONE_COMMAND(nsPasteQuotationCommand,  "cmd_pasteQuote");

nsEditorCommands.cpp
nsPasteQuotationCommand:: DoCommand(const char *aCommandName,
{
return mailEditor-> PasteAsQuotation(nsIClipboard::kGlobalClipboard);
}

nsHTMLDataTransfer.cpp
NS_IMETHODIMP nsHTMLEditor:: PasteAsQuotation(int32_t aSelectionType)
{
return PasteAsCitedQuotation(citation, aSelectionType);
}

NS_IMETHODIMP nsHTMLEditor:: PasteAsCitedQuotation(const nsAString & aCitation,
                                                int32_t aSelectionType)

{
newElement->SetAttribute(NS_LITERAL_STRING("type"), NS_LITERAL_STRING("cite"));
return Paste(aSelectionType);
}

作者: hechengjin 时间: 2016-4-21 00:17
nsHTMLDataTransfer.cpp
nsHTMLEditor:: ParseCFHTML(nsCString & aCfhtml, PRUnichar **aStuffToPaste, PRUnichar **aCfcontext)
{
*aCfcontext = nsLinebreakConverter::ConvertUnicharLineBreaks(cntxtUcs2Str.get(),
                                                         nsLinebreakConverter::eLinebreakAny,
                                                         nsLinebreakConverter::eLinebreakContent,
                                                         oldLengthInChars, &newLengthInChars);
}

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