// use this delimiter for serializing our array
var bp_delim= '%#%#';
function SaveData( data )
{
// data is an array of arrays that needs
// to be serialized and stored into a persistent
// global string
var ds= '';
for( ii= 0; ii< data.length; ++ii )
{
for( jj= 0; jj< 3; ++jj )
{
if( ii!= 0 || jj!= 0 )
ds+= bp_delim;
ds+= data[ii][jj];
}
}
global.pdf_hacks_js_bookmarks= ds;
global.setPersistent( "pdf_hacks_js_bookmarks", true );
}
function GetData() {
// reverse of SaveData; return an array of arrays
if( global.pdf_hacks_js_bookmarks== null ) {
return new Array(0);
}
var flat= global.pdf_hacks_js_bookmarks.split( bp_delim );
var data= new Array();
for( ii= 0; ii< flat.length; ) {
var record= new Array();
for( jj= 0; jj< 3 && ii< flat.length; ++ii, ++jj ) {
record.push( flat[ii] );
}
if( record.length== 3 ) {
data.push( record );
}
}
return data;
}
//Get Current Date
function DateNow(){
var d, s ;
d = new Date();
s = d.getFullYear()+"/";
s += (d.getMonth() + 1) + "/";
s += d.getDate() ;
/**//*
s += d.getHours() + ":";
s += d.getMinutes() + ":";
s += d.getSeconds() ;
*/
return(s);
}
function AddBookmark() {
// query the user for a name, and then combine it with
// the current PDF page to create a record; store this record
var thisfilename=this.documentFileName;
thisfilename=thisfilename.substr(0,thisfilename.lastIndexOf("."));
var numPlugInss=this.pageNum+1;
var currentdate=DateNow();
var label=
app.response( "书签名称,可以修改以便于记忆:",
"书签名称",
"《"+thisfilename+"》第 "+numPlugInss+" 页/共 "+this.numPages+" 页 "+currentdate,
false );
if( label!= null ) {
var record= new Array(3);
record[0]= label;
record[1]= this.path;
record[2]= this.pageNum;
data= GetData();
data.push( record );
SaveData( data );
}
}
function ShowBookmarks() {
// show a pop-up menu; this seems to only work when
// a PDF is alreay in the viewer;
var data= GetData();
var items= '';
for( ii= 0; ii< data.length; ++ii ) {
if( ii!= 0 )
items+= ', ';
items+= '"'+ ii+ ': '+ data[ii][0]+ '"';
}
// assemble the command and the execute it with eval()
var command= 'app.popUpMenu( '+ items+ ' );';
var selection= eval( command );
if( selection== null ) {
return; // exit
}
// the user made a selection; parse out its index and use it
// to access the bookmark record
var index= 0;
// toString() converts the String object to a string literal
// eval() converts the string literal to a number
index= eval( selection.substring( 0, selection.indexOf(':') ).toString() );
if( index< data.length ) {
try {
// the document must be 'disclosed' for us to have any access
// to its properties, so we use these FirstPage NextPage calls
//
app.openDoc( data[index][1] );
app.execMenuItem( "FirstPage" );
for( ii= 0; ii< data[index][2]; ++ii ) {
app.execMenuItem( "NextPage" );
}
}
catch( ee ) {
var response=
app.alert("打开书签错误. 是否删除本书签?", 2, 2,"删除书签");
if( response== 4 && index< data.length ) {
data.splice( index, 1 );
SaveData( data );
}
}
}
}
function DropBookmark() {
// modelled after ShowBookmarks()
var data= GetData();
var items= '';
for( ii= 0; ii< data.length; ++ii ) {
if( ii!= 0 )
items+= ', ';
items+= '"'+ ii+ ': '+ data[ii][0]+ '"';
}
var command= 'app.popUpMenu( '+ items+ ' );';
var selection= eval( command );
if( selection== null ) {
return; // exit
}