script.js

一个很有价值的c语言学习网站

function LoadSld()
{
	var sld=GetObj("SlideObj")
	if( !g_supportsPPTHTML ) {
		sld.style.visibility="visible"
		return
	}
	if( MakeNotesVis() ) return
	runAnimations = _InitAnimations();
	if( IsWin("PPTSld") )
		parent.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") && parent.IsFullScrMode() ) )
		document.body.scroll="no"
	_RSW()
	if( IsWin("PPTSld") && parent.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")
	parent.SetHasNts(0)
	if( nObj ) {
		nObj.style.display=""
		parent.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) && !parent.IsFramesMode() )
		setTimeout("parent.GoToNextSld()",sld.mAdvDelay)
}
function GetObj(id)
{
	if(g_supportsPPTHTML) return document.all(id);
	else return document.getElementById(id);
}
function SldHasTrans() { return SlideObj.style.getAttribute("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( !g_supportsPPTHTML || IsNts() ||
	  ( !g_scaleInFrame && (!IsWin("PPTSld") || !parent.IsFullScrMode()) ) )
		return
        var padding=0;
        if( IsWin("PPTSld") && parent.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") && !parent.IsFramesMode();
	g_animUseRuntime = g_showAnimation && animRuntimeInstalled && !(isFullScreen && parent.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 ) {
			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( !parent.IsFramesMode() && event.keyCode == 27 && !HideMenu() )
		parent.window.close( self );
	else if( event.keyCode == 32 ) {
		if( window.name == "PPTSld" )
			parent.PPTSld.DocumentOnClick();
		else
			parent.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 = parent.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( parent.GetSldList().mList[jumpTo-1].mSldHref )
		}
	}
}
function _KDH()
{
	if( event.keyCode == 8 ) {
		event.returnValue = 0;
		parent.GoToPrevSld();
	}
}
var g_HLinkArray = new Array();
function IMapAreaObj( areaObj, coords )
{
  this.areaObj = areaObj;
  this.coords = coords;
}
function InitHLinkArray()
{
  var appVer = navigator.appVersion;
  var msie = appVer.indexOf ( "MSIE " )
  var ver = 0;
  if ( msie >= 0 )
    ver = parseInt ( appVer.substring( msie+5 ) );
  linkNum = 0;
  for (i=0; i<document.all.tags("AREA").length; i++) {
    areaObj = document.all.tags("AREA").item(i);
    if( ( areaObj.id != "pptxscale" ) || ( ver > 4 ) )
      g_HLinkArray[linkNum++] = new IMapAreaObj( areaObj, ParseCoords( areaObj.coords ) );
  }
}
function ScaleHyperlinks( factor )
{
  for ( ii=0; ii< g_HLinkArray.length; ii++) {
    coordsStr="";
    imaObj = g_HLinkArray[ii];
    for ( jj=0; jj < imaObj.coords.length-1; jj++ )
  	  coordsStr += (imaObj.coords[jj]*factor) + ",";
    coordsStr += (imaObj.coords[jj]*factor);
    imaObj.areaObj.coords = coordsStr;
  }
}
function ParseCoords( coordsStr )
{
  var numArray = new Array();
  var i = curPos = commaPos = 0;
  while ( ( commaPos = coordsStr.indexOf(",", curPos) ) != -1 ) {
    numArray[i++] = parseInt( coordsStr.substr( curPos, commaPos ) );
    curPos = commaPos + 1;
  }
  numArray[i] = parseInt( coordsStr.substr( curPos ) );
  return numArray;
}
function PlaySound( href, loop ){
	href= unescape(href);
	if( window.event ) window.event.cancelBubble = true;
	pptSound.src = href;
	pptSound.loop = loop ? -1 : 0;
}
function DocumentOnClick()
{
	if( IsNts() || parent.HideMenu() ) return;
	if( ( g_allowAdvOnClick && (window.name=="PPTSld") && !parent.IsFramesMode() ) ||
	    (event && event.keyCode==32) ) {
		if( g_animUseRuntime && g_animMainSequence && g_animMainSequence.cangonext )
			return;
		parent.GoToNextSld();
	}
}

var g_supportsPPTHTML = SupportsPPTHTML(), g_scaleInFrame = 1, gId="", g_bgSound="",
    g_scaleHyperlinks = false, g_allowAdvOnClick = 1, g_showInBrowser = 0, gLoopCont = 0, gUseSldTimings = 0;
var g_showAnimation = g_supportsPPTHTML && SupportsPPTAnimation() && ( (window.name=="PPTSld" && !parent.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="放映结束，单击鼠标退出。", SCREEN_MODE="Frames", gIsEndShow=0, NUM_VIS_SLDS=26, 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("slide0147.htm",1,-1,1),new hrefList("slide0148.htm",1,-1,1),new hrefList("slide0149.htm",1,-1,1),new hrefList("slide0094.htm",1,-1,1),new hrefList("slide0122.htm",1,-1,1),new hrefList("slide0152.htm",1,-1,1),new hrefList("slide0131.htm",1,-1,1),new hrefList("slide0125.htm",1,-1,1),new hrefList("slide0126.htm",1,-1,1),new hrefList("slide0097.htm",1,-1,1),new hrefList("slide0124.htm",1,-1,1),new hrefList("slide0098.htm",1,-1,1),new hrefList("slide0127.htm",1,-1,1),new hrefList("slide0085.htm",1,-1,1),new hrefList("slide0129.htm",1,-1,1),new hrefList("slide0104.htm",1,-1,1),new hrefList("slide0135.htm",1,-1,1),new hrefList("slide0153.htm",1,-1,1),new hrefList("slide0154.htm",1,-1,1),new hrefList("slide0155.htm",1,-1,1),new hrefList("slide0146.htm",1,-1,1),new hrefList("slide0115.htm",1,-1,1),new hrefList("slide0142.htm",1,-1,1),new hrefList("slide0133.htm",1,-1,1),new hrefList("slide0150.htm",1,-1,1),new hrefList("slide0151.htm",1,-1,1));
function FullScrInit()
{
	g_allowAdvOnClick = GetCurSld().mAdvOnClk
	document.body.style.backgroundColor="black"
	document.oncontextmenu=parent._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 ToggleOtlPane()
{
	frmset=document.all("PPTHorizAdjust")
	frm=document.all("PPTOtl")
	if( gOtlOpen )
		frmset.cols="*,100%"
	else
		frmset.cols="25%,*"
	gOtlOpen=!gOtlOpen
	frm.noResize=!frm.noResize
	UpdOtNavPane()
}
function ToggleNtsPane()
{
	frmset=document.all("PPTVertAdjust")
	frm=document.all("PPTNts")
	if( gNtsOpen )
		frmset.rows="100%,*"
	else
		frmset.rows="*,20%"
	gNtsOpen=!gNtsOpen
	UpdNtsPane()
}
function ClearMedia()
{
	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( PPTSld.g_animUseRuntime )
			win.document.body.PPTSldFrameset=window;
	}
	else
	{
		win = window.open( MHTMLPrefix+href,null,"fullscreen=yes" );
		if( 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()
	}
}