script.js

基础入门教程点播,适合初学的使用者可以提高个人的水平

var vfHaveLoaded=false;
function LoadSld()
{
	var sld=GetObj("SlideObj")
	if( !g_supportsPPTHTML ) {		
		sld.style.visibility="visible"
		return
	}

	if( MakeNotesVis() ) return

	runAnimations = _InitAnimations();
	
	if( IsWin("PPTSld") )
		SldUpdated(GetSldId())
	g_origSz=parseInt(SlideObj.style.fontSize)
	g_origH=sld.style.posHeight
	g_origW=sld.style.posWidth
	g_scaleHyperlinks=(document.all.tags("AREA").length>0)
	if( g_scaleHyperlinks )
		InitHLinkArray()
	if( g_scaleInFrame||(IsWin("PPTSld") && IsFullScrMode() ) )
		document.body.scroll="no"
	vfHaveLoaded=true;
_RSW()
	if( IsWin("PPTSld") && IsFullScrMode() )
		FullScrInit();
	
	MakeSldVis();
	ChkAutoAdv()

	if( runAnimations )
	{
		if( document.all("NSPlay") )
			document.all("NSPlay").autoStart = false;

		if( sld.filters && sld.filters.revealtrans )
			setTimeout( "document.body.start()", sld.filters.revealtrans.duration * 1000 );
		else
			document.body.start();
	}
}

function MakeSldVis() 
{
	var fTrans=g_showAnimation && SldHasTrans()
	if( fTrans )	
	{
		if( g_bgSound ) {
			idx=g_bgSound.indexOf(",");
			pptSound.src=g_bgSound.substr( 0, idx );
			pptSound.loop= -(parseInt(g_bgSound.substr(idx+1)));
		}
		SlideObj.filters.revealtrans.Apply()	
    }
	SlideObj.style.visibility="visible"
	if( fTrans )
		SlideObj.filters.revealtrans.Play()
}
function MakeNotesVis() 
{
	if( !IsNts() ) return false 
	SlideObj.style.display="none"
	nObj = document.all.item("NotesObj")
	SetHasNts(0)
	if( nObj ) { 
		nObj.style.display=""
		SetHasNts(1)
	}
	return 1
}
function ChkAutoAdv()
{
	if(SldHasTrans())
		SlideObj.onfilterchange=AutoAdv
	else
		AutoAdv()
}
function AutoAdv()
{
	if(!IsWin("PPTSld") || !gUseSldTimings )return
	var sld=GetCurSld()
	if( (sld.mAdvDelay>0) && !IsFramesMode() )
		setTimeout("GoToNextSld()",sld.mAdvDelay)
}
function GetObj(id)
{
	if(g_supportsPPTHTML) return document.all(id);
	else return document.getElementById(id);
}
function SldHasTrans() { return SlideObj.style.filter != ""; }
function GetSldId() { return sId=location.href.substring(location.href.lastIndexOf('/')+1) }
function HideMenu() { if( frames["PPTSld"] && PPTSld.document.all.item("ctxtmenu") && PPTSld.ctxtmenu.style.display!="none" ) { PPTSld.ctxtmenu.style.display='none'; return true } return false }
function IsWin( name ) { return window.name == name }
function IsNts() { return IsWin("PPTNts") }
function IsSldOrNts() { return( IsWin("PPTSld")||IsWin("PPTNts") ) }
function SupportsPPTAnimation() { return( navigator.platform == "Win32" && navigator.appVersion.indexOf("Windows")>0 ) }
function SupportsPPTHTML()
{
	var appVer=navigator.appVersion, msie=appVer.indexOf("MSIE "), ver=0
	if( msie >= 0 )
		ver=parseFloat( appVer.substring( msie+5, appVer.indexOf(";",msie) ) )
	else
		ver=parseInt(appVer)

	return( ver >= 4 && msie >= 0 )
}
function _RSW()
{
	if (!vfHaveLoaded) return;
if( !g_supportsPPTHTML || IsNts() ||
	  ( !g_scaleInFrame && (!IsWin("PPTSld") || !IsFullScrMode()) ) )
		return

        var padding=0;
        if( IsWin("PPTSld") && IsFramesMode() ) padding=6

	cltWidth=document.body.clientWidth-padding
	cltHeight=document.body.clientHeight-padding
	factor=(1.0*cltWidth)/g_origW
	if( cltHeight < g_origH*factor )
		factor=(1.0*cltHeight)/g_origH

	newSize = g_origSz * factor
	if( newSize < 1 ) newSize=1

	s=SlideObj.style
	s.fontSize=newSize+"px"
	s.posWidth=g_origW*factor
	s.posHeight=g_origH*factor
	s.posLeft=(cltWidth-s.posWidth+padding)/2
	s.posTop=(cltHeight-s.posHeight+padding)/2

	if( g_scaleHyperlinks )
		ScaleHyperlinks( factor )
}
function _InitAnimations()
{
	animRuntimeInstalled = ''+document.body.localTime != 'undefined';
	isFullScreen = (window.name == "PPTSld") && !IsFramesMode();
	g_animUseRuntime = g_showAnimation && animRuntimeInstalled && !(isFullScreen && IsSldVisited());
	if( g_animUseRuntime ) {
		collSeq = document.all.tags("seq");
		if( collSeq != null ) {
			for(ii=0;ii<collSeq.length;ii++) {
				if( collSeq[ii].getAttribute( "p:nodeType" ) == "mainSeq" ) {
					g_animMainSequence = collSeq[ii];
					break;
				}
			}
		}
	
		if( g_animItemsToHide && document.body.playAnimations != false ) {
			for(jj = 0; jj < g_animItemsToHide.length; jj++) {
				if( hideObj = GetObj(g_animItemsToHide[jj]) )
					hideObj.runtimeStyle.visibility="hidden";
			}
		}

		if( g_animInteractiveItems ){
			for(jj = 0; jj < g_animInteractiveItems.length; jj++) {
				if( triggerObj = GetObj(g_animInteractiveItems[jj]) )
					triggerObj.runtimeStyle.cursor="hand";
			}
		}
		
		if( gUseSldTimings && ''+g_animSlideTime != 'undefined' ) {
			adjustedTime = document.body.calculateAutoAdvanceTimes( g_animSlideTime, g_animEffectTimings );
			if( IsWin("PPTSld") && adjustedTime != g_animSlideTime ) {
			   var sld = GetCurSld();
			   sld.mAdvDelay = adjustedTime * 1000;
			}
		}
	}

	return g_animUseRuntime;
}

gSldJump = 0, gSldJumpTrack = 0, gSldJumpIdx = "";

function _KPH()
{ 
	if( IsNts() ) return;

	if( !IsFramesMode() && event.keyCode == 27 && !HideMenu() )
		window.close( self );
	else if( event.keyCode == 32 ) {
		if( window.name == "PPTSld" )
			PPTSld.DocumentOnClick();
		else
			GoToNextSld();
	}

	CatchNumKeys( parent, event );
}

function CatchNumKeys( win, event ) {
	if( win.IsFullScrMode() && (48<=event.keyCode) && (event.keyCode<=57) ) {
		gSldJump = 1;
		gSldJumpIdx += (event.keyCode-48).toString();
	}
	if( win.IsFullScrMode() && gSldJump && event.keyCode == 13 ) {
		var numSlds = GetSldList().mList.length
		if ( gSldJumpIdx > numSlds )
			gSldJumpIdx = numSlds;
		if ( gSldJumpIdx >= 0 ) {
			if ( gSldJumpIdx == 0 )
				gSldJumpIdx = 1;
			var jumpTo = parseInt(gSldJumpIdx);
			gSldJump = 0; gSldJumpIdx = "";
			win.GoToSld( GetSldList().mList[jumpTo-1].mSldHref )
		}
	}
}

function _KDH()
{
	if( event.keyCode == 8 ) {
		event.returnValue = 0;
		GoToPrevSld();
	}
}function DocumentOnClick()
{
	if( IsNts() || HideMenu() ) return;

	if( ( g_allowAdvOnClick && (window.name=="PPTSld") && !IsFramesMode() ) ||
	    (event && event.keyCode==32) ) {
		
		if( g_animUseRuntime && g_animMainSequence && g_animMainSequence.cangonext )
			return;

		GoToNextSld();
	}
}


var g_supportsPPTHTML = SupportsPPTHTML(), g_scaleInFrame = 1, gId="", g_bgSound="",
    g_scaleHyperlinks = false, g_allowAdvOnClick = 1, g_showInBrowser = 1, gLoopCont = 0, gUseSldTimings = 0;
var g_showAnimation = g_supportsPPTHTML && SupportsPPTAnimation() && ( (window.name=="PPTSld" && !IsFramesMode()) || g_showInBrowser );var g_animManager = null;
var g_animUseRuntime = false;
var g_animItemsToHide, g_animInteractiveItems, g_animSlideTime;
var g_animMainSequence = null;

var ENDSHOW_MESG="&#25918;&#26144;&#32467;&#26463;&#65292;&#21333;&#20987;&#40736;&#26631;&#36864;&#20986;&#12290;", SCREEN_MODE="Frames", gIsEndShow=0, NUM_VIS_SLDS=62, SCRIPT_HREF="script.js", FULLSCR_HREF="fullscreen.htm";
var gCurSld = gPrevSld = 1, g_offset = 0, gNtsOpen = gHasNts = gOtlTxtExp = 0, gHasNarration = 0, gOtlOpen = true
window.gPPTHTML=SupportsPPTHTML()
var gMainDoc=new Array(new hrefList("slide0001.htm",1,-1,1),new hrefList("slide0014.htm",1,-1,1),new hrefList("slide0015.htm",1,-1,1),new hrefList("slide0016.htm",1,-1,1),new hrefList("slide0025.htm",1,-1,1),new hrefList("slide0018.htm",1,-1,1),new hrefList("slide0017.htm",1,-1,1),new hrefList("slide0019.htm",1,-1,1),new hrefList("slide0020.htm",1,-1,1),new hrefList("slide0021.htm",1,-1,1),new hrefList("slide0022.htm",1,-1,1),new hrefList("slide0023.htm",1,-1,1),new hrefList("slide0024.htm",1,-1,1),new hrefList("slide0026.htm",1,-1,1),new hrefList("slide0027.htm",1,-1,1),new hrefList("slide0028.htm",1,-1,1),new hrefList("slide0029.htm",1,-1,1),new hrefList("slide0030.htm",1,-1,1),new hrefList("slide0031.htm",1,-1,1),new hrefList("slide0032.htm",1,-1,1),new hrefList("slide0033.htm",1,-1,1),new hrefList("slide0034.htm",1,-1,1),new hrefList("slide0035.htm",1,-1,1),new hrefList("slide0036.htm",1,-1,1),new hrefList("slide0037.htm",1,-1,1),new hrefList("slide0038.htm",1,-1,1),new hrefList("slide0039.htm",1,-1,1),new hrefList("slide0040.htm",1,-1,1),new hrefList("slide0041.htm",1,-1,1),new hrefList("slide0042.htm",1,-1,1),new hrefList("slide0043.htm",1,-1,1),new hrefList("slide0044.htm",1,-1,1),new hrefList("slide0046.htm",1,-1,1),new hrefList("slide0047.htm",1,-1,1),new hrefList("slide0048.htm",1,-1,1),new hrefList("slide0045.htm",1,-1,1),new hrefList("slide0049.htm",1,-1,1),new hrefList("slide0050.htm",1,-1,1),new hrefList("slide0051.htm",1,-1,1),new hrefList("slide0052.htm",1,-1,1),new hrefList("slide0053.htm",1,-1,1),new hrefList("slide0054.htm",1,-1,1),new hrefList("slide0055.htm",1,-1,1),new hrefList("slide0056.htm",1,-1,1),new hrefList("slide0057.htm",1,-1,1),new hrefList("slide0058.htm",1,-1,1),new hrefList("slide0059.htm",1,-1,1),new hrefList("slide0060.htm",1,-1,1),new hrefList("slide0061.htm",1,-1,1),new hrefList("slide0062.htm",1,-1,1),new hrefList("slide0063.htm",1,-1,1),new hrefList("slide0064.htm",1,-1,1),new hrefList("slide0065.htm",1,-1,1),new hrefList("slide0066.htm",1,-1,1),new hrefList("slide0067.htm",1,-1,1),new hrefList("slide0068.htm",1,-1,1),new hrefList("slide0069.htm",1,-1,1),new hrefList("slide0070.htm",1,-1,1),new hrefList("slide0071.htm",1,-1,1),new hrefList("slide0072.htm",1,-1,1),new hrefList("slide0073.htm",1,-1,1),new hrefList("slide0013.htm",1,-1,1));

/*********************************************
 Frameset functions

 These functions control slide navigation
 and state of the frameset.
**********************************************/

function FullScrInit()
{
	g_allowAdvOnClick = GetCurSld().mAdvOnClk
	document.body.style.backgroundColor="black"
	document.oncontextmenu=_CM;
	document.onkeydown = _KDH;
	document.ondragstart=Cancel
	document.onselectstart=Cancel
	self.focus()
}

function Redirect( frmId )
{	
	var str=document.location.hash,idx=str.indexOf('#'), sId=GetSldId()
	if(idx>=0) str=str.substr(1);
	if( window.name != frmId && ( sId != str) ) {
		obj = GetObj("Main-File")
		window.location.href=obj.href+"#"+sId
		return 1
	}
	return 0
}

var MHTMLPrefix = CalculateMHTMLPrefix(); 
function CalculateMHTMLPrefix()
{
	if ( document.location.protocol == 'mhtml:') { 
		href=new String(document.location.href) 
		Start=href.indexOf('!')+1 
		End=href.lastIndexOf('/')+1 
		if (End < Start) 
			return href.substring(0, Start) 
		else 
		return href.substring(0, End) 
	}
	return '';
}

function GetTags(base,tag)
{
	if(g_supportsPPTHTML) return base.all.tags(tag);
	else return base.getElementsByTagName(tag);
}


function UpdNtsPane(){ if(frames["PPTNts"]) PPTNts.location.replace( MHTMLPrefix+GetHrefObj( gCurSld ).mNtsHref ) }

function UpdNavPane( sldIndex ){ if(gNavLoaded) PPTNav.UpdNav() }

function UpdOtNavPane(){ if(gOtlNavLoaded) PPTOtlNav.UpdOtlNav() }

function UpdOtlPane(){ if(gOtlLoaded) PPTOtl.UpdOtl() }

function SetHasNts( fVal )
{
	if( gHasNts != fVal ) {
		gHasNts=fVal
		UpdNavPane()
	}
}

function ToggleOtlText()
{
	gOtlTxtExp=!gOtlTxtExp
	UpdOtlPane()
}

function ClearMedia()
{
	// Clear any sounds playing before launching another browser window. Otherwise,
	// in fullscreen mode, you'll continue to hear the sound in the frames mode.
	if (PPTSld.pptSound) PPTSld.pptSound.loop = 0;
}

function FullScreen()
{ 
	if ( PPTSld.g_animUseRuntime )
		PPTSld.document.body.pause();
	ClearMedia();
	var href = ( document.location.protocol == 'mhtml:') ? FULLSCR_HREF : FULLSCR_HREF+"#"+GetHrefObj(gCurSld).mSldHref;
	if(PPTNav.event.ctrlKey) {
		var w = (window.screen.availWidth * 1.0) / 2.0
		var h = w * (PPTSld.g_origH * 1.0) / PPTSld.g_origW
		win = window.open( MHTMLPrefix+href,null,"toolbar=0,resizable=1,top=0,left=0," + "width="+ w + ",height=" + h );
		if( win.document.body && PPTSld.g_animUseRuntime )
			win.document.body.PPTSldFrameset=window;
	}
	else
	{
		win = window.open( MHTMLPrefix+href,null,"fullscreen=yes" );
		if( win.document.body && PPTSld.g_animUseRuntime )
			win.document.body.PPTSldFrameset=window;
	}
}

function ToggleVNarration()
{
	rObj=PPTSld.document.all("NSPlay")
	if( rObj && !PPTSld.g_animUseRuntime ) {
		if( (rObj.playState == 1)||(rObj.playState == 0) )
			rObj.Play()
		else if( rObj.playState == 2 )
			rObj.Pause()
		else
			return;
	}
	else if( PPTSld.g_animUseRuntime )
	{
		narObj = PPTSld.document.all("narrationID")
		if( narObj )
			narObj.togglePause()
	}
}

function GetCurSldNum()
{   
	obj=GetHrefObj(gCurSld)
	if( obj.mOrigVis == 1 )
		return obj.mSldIdx
	else   
		return gCurSld
}

function GetNumSlds()
{   
	if( GetHrefObj(gCurSld).mOrigVis == 1 )
		return GetSldList().mNumVisSlds;
	else
		return GetSldList().mList.length
}

function GetSldNum( href )
{
	for(ii=0; ii<GetSldList().mList.length; ii++) {
		if ( GetSldList().mList[ii].mSldHref == href )
			return ii+1
	}
	return 1
}

function GetHrefObj( sldIdx ){ return GetSldList().mList[sldIdx-1] }

function IsFramesMode(){ return ( SCREEN_MODE == "Frames" ) }

function IsFullScrMode(){ return ( SCREEN_MODE == "FullScreen" ) }

function GoToNextSld()
{
	ii=gCurSld + 1
	if( GetHrefObj( ii-1 ).mOrigVis == 0 ) {
		if( ii<=GetSldList().mList.length ) {
			obj=GetHrefObj(ii)
			obj.mVis=1
			GoToSldNum(ii)
			return
		}
	}
	else {
		obj=GetHrefObj( ii )
		while ( obj && ( obj.mOrigVis == 0 ) )
			obj=GetHrefObj(++ii)
		if( obj && obj.mOrigVis ) {
			GoToSldNum(ii)
			return
		}
	}
	if( gSldStack.length > 1 )
		PopSldList();
	else if( !IsFramesMode() ) {
                if( gLoopCont )
			GoToFirst()
                else
			EndShow()
	}
}

function GoToPrevSld()
{
	ii=gCurSld-1
	if( ii > 0 ) {
		obj=GetHrefObj(ii)
		while ( obj && ( obj.mVis == 0 ) && ( ii>0 ) )
			obj=GetHrefObj(--ii)
        if( ii == 0 ) ii=1
		GoToSldNum(ii)
	}
}

function GoToFirst(){ GoToSld( GetHrefObj(1).mSldHref ) }

function GoToLast()
{
	ii=GetSldList().mList.length
	if( ii != gCurSld )
		GoToSld( GetHrefObj(ii).mSldHref )
}

function GoToSldNum( num )
{
	if( PPTSld.event ) PPTSld.event.cancelBubble=true
	obj = GetHrefObj( num )
	obj.mVis=1
	gPrevSld=gCurSld
	gCurSld = num;
	PPTSld.location.replace(MHTMLPrefix+obj.mSldHref)
	if( IsFramesMode() ) {
		UpdNavPane(); UpdOtlPane(); UpdNtsPane()
	}
}

function GoToSld( href )
{
	if( PPTSld.event ) PPTSld.event.cancelBubble=true
	GetHrefObj( GetSldNum(href) ).mVis=1
	PPTSld.location.replace(MHTMLPrefix+href)
}

function SldUpdated( id )
{
	if( id == GetHrefObj(gCurSld).mSldHref ) return
	gPrevSld=gCurSld
	gCurSld=GetSldNum(id)
	if( IsFramesMode() ) {
		UpdNavPane(); UpdOtlPane(); UpdNtsPane()
	}
}

function PrevSldViewed(){ GoToSld( GetHrefObj(gPrevSld).mSldHref ) }
function HasPrevSld() { return ( gIsEndShow || ( gCurSld != 1 && GetHrefObj( gCurSld-1 ).mVis == 1 )||( GetCurSldNum() > 1 ) ) }
function HasNextSld() { return (GetCurSldNum() != GetNumSlds()) }

function CloseWindow() {
	if( HideMenu() ) return;
	
	var event = PPTSld.event;
	if( !IsFramesMode() && event && (event.keyCode==27 || event.keyCode==32 || event.type=="click" ) )
		window.close( self );
	CatchNumKeys( self, event );
}

function Unload() { gIsEndShow=0; }

function SetupEndShow() {
	gIsEndShow=1;
	PPTSld.document.body.scroll="no";
	PPTSld.document.onkeypress=CloseWindow;
	PPTSld.document.onclick=CloseWindow;
	PPTSld.document.oncontextmenu=_CM;
}

function EndShow()
{
	if( IsFramesMode() ) return
	if( PPTSld.event ) PPTSld.event.cancelBubble=true

	doc=PPTSld.document
	var dir = doc.body.dir
	if( dir != "rtl" ) dir = "ltr";
	doc.open()
	doc.writeln('<html><body dir=' + dir + ' bgcolor=black onload=SetupEndShow() onunload=Unload()><center><p><font face=Tahoma color=white size=2><br><b>' + ENDSHOW_MESG + '</b></font></p></center></body></html>')
	doc.close()
}

function SetSldVisited(){ GetSldList().mList[gCurSld-1].mVisited=true }

function IsSldVisited(){ return GetSldList().mList[gCurSld-1].mVisited }