Chip 2004 April/Chip_2004-04_cd2.bin/program/reader/Data1.cab/Annots.js

Text File | 2003-07-17 | 43KB | 1,637 lines

var AcroPlugins = app.plugIns;
var annotsPresent = false;

for (var iAcroPlugins = 0; iAcroPlugins < AcroPlugins.length ; iAcroPlugins++)
    if (AcroPlugins[iAcroPlugins].name.toLowerCase() == "annots")
    {
        annotsPresent = true;
        break;
    }

if (annotsPresent)
{
    var strsToExport = new Array (
        "IDS_SUM_TITLE1",
        "IDS_SUM_TITLE2",
        "IDS_UNNAMED",
        "IDS_SUM_DATE1",
        "IDS_SUM_DATE2",
        "IDS_SUM_AUTHOR1",
        "IDS_SUM_AUTHOR2",
        "IDS_SUM_SUBJ1",
        "IDS_SUM_SUBJ2",
        "IDS_SUM_LABEL1",
        "IDS_SUM_LABEL2",
        "IDS_SUM_PAGE1",
        "IDS_SUM_PAGE2",
        "IDS_SUM_TYPE1",
        "IDS_SUM_TYPE2",
        "IDS_SUM_SEQ1",
        "IDS_SUM_SEQ2",
        "IDS_SUM_NO_ANNOTS1",
        "IDS_SUM_NO_ANNOTS2",
        "IDS_STORE_WEB_DISCUSSIONS",
        "IDS_STORE_DAVFDF",
        "IDS_STORE_FSFDF",
        "IDS_STORE_DATABASE",
        "IDS_STORE_NONE",
        "IDS_PROGRESS_SUMMARIZE",
        "IDS_PROGRESS_SORTING",
        "IDS_PROGRESS_FETCHING",
        "IDS_PROGRESS_FETCHING_BIG",
        "IDS_PROGRESS_ADDING",
        "IDS_PROGRESS_DELETING",
        "IDS_PROGRESS_CHANGING",
        "IDS_ANNOTS_JS_BUILTIN",
        "IDS_DATE_INDETERMINATE",
        "IDS_EMAIL_PLEASE",
        "IDS_EMAIL_BLANKNAME",
        "IDS_EMAIL_VERIFY",
        "IDS_EMAIL_TITLE",
        "IDS_EMAIL_LABEL",
        "IDS_SEND_FOR_REVIEW_SUBJ",
        "IDS_SEND_FOR_REVIEW_MSG",
        "IDS_SEND_FOR_REVIEW_MSG_LABEL",
        "IDS_SEND_FOR_REVIEW",
        "IDS_SEND_FOR_REVIEW_TITLE",
        "IDS_SEND_FOR_REVIEW_TITLE_NONAME",
        "IDS_SEND_FOR_REVIEW_INST1",
        "IDS_SEND_FOR_REVIEW_INST2",
        "IDS_SEND_FOR_REVIEW_GET_ADDRS_CAPTION",
        "IDS_SEND_FOR_REVIEW_VERSION_ERR",
        "IDS_SEND_FOR_REVIEW_CONFIRM_MSG",
        "IDS_SEND_FOR_REVIEW_CONFIRM_TIP",
        "IDS_SEND_FOR_REVIEW_CONFIRM_TITLE",
        "IDS_SEND_FOR_REVIEW_PROBLEM",
        "IDS_SEND_FOR_REVIEW_NO_RECIPIENT",
        "IDS_SEND_COMMENTS_TO_AUTHOR_TITLE",
        "IDS_SEND_COMMENTS_TO_AUTHOR_TO",
        "IDS_SEND_COMMENTS_TO_AUTHOR_SUBJ",
        "IDS_SEND_COMMENTS_TO_AUTHOR_MSG",
        "IDS_SEND_COMMENTS_TO_AUTHOR_MSG_LABEL",
        "IDS_SEND_COMMENTS_TO_AUTHOR_INST1",
        "IDS_SEND_COMMENTS_TO_AUTHOR_INST2",
        "IDS_SEND_COMMENTS_TO_AUTHOR_CONFIRM",
        "IDS_SEND_COMMENTS_TO_AUTHOR",
        "IDS_COLLAB_TITLE",
        "IDS_ACTION_REVIEW",
        "IDS_STATE_NONE",
        "IDS_STATE_ACCEPT",
        "IDS_STATE_REJECT",
        "IDS_STATE_CANCELLED",
        "IDS_STATE_COMPLETED",
        "IDS_ACTION_COLLAB",
        "IDS_STATE_COLLAB_ACTIVE",
        "IDS_STATE_COLLAB_COMPLETED",
        "IDS_ACTION_MARKED",
        "IDS_STATE_MARKED",
        "IDS_STATE_UNMARKED",
        "IDS_SUM_FOOTER1",
        "IDS_SUM_FOOTER2",
        "IDS_SUM_STATUS_TITLE",
        "IDS_SEND_FOR_REVIEW_DOC_IS_DIRTY",
        "IDS_EMAIL_INVALID",
        "IDS_SEND_COMMENTS_ATTACHMENT",
        "IDS_SEND_FOR_REVIEW_ATTACHMENT"
    );

    for(var nToExport = 0; nToExport < strsToExport.length; nToExport++)
    {
        var strID = strsToExport[nToExport];

        eval(strID + " = " + app.getString("Annots", strID).toSource());
    }

    console.println(IDS_ANNOTS_JS_BUILTIN);

    /* for debugging */
    function debugExcept(e)
    {
        if((typeof app._DEBUG != "undefined") && app._DEBUG)
          console.println(e)
    }

    /* Sort methods */
    ANSB_None = 0;
    ANSB_Page = 1;
    ANSB_Seq = 2;
    ANSB_Author = 3;
    ANSB_ModDate = 4;
    ANSB_Type = 5;
    ANSB_Subject = 6;

    ANFB_ShouldPrint = 0;
    ANFB_ShouldView = 1;
    ANFB_ShouldEdit = 2;
    ANFB_ShouldAppearInPanel = 3;
    ANFB_ShouldSummarize = 4;
    ANFB_ShouldExport = 5;
    ANFB_ShouldCollaborate = 6;
    ANFB_ShouldNone = 7;

    /* Field to summary functions by property name */
    ANsums =
    [
    /* None */        function(a){return "*None*";},
    /* Page */        function(a){return IDS_SUM_PAGE1+a.doc.getPageLabel(a.page)+IDS_SUM_PAGE2;},
    /* Sequence */    function(a, s){return IDS_SUM_SEQ1+(s ? s : a.seqNum)+IDS_SUM_SEQ2;},
    /* Author */    function(a){return IDS_SUM_AUTHOR1+a.author+IDS_SUM_AUTHOR2;},
    /* ModDate */    function(a){
        var d = a.modDate;
        return IDS_SUM_DATE1+ (d ? util.printd(2, a.modDate) : IDS_DATE_INDETERMINATE )+IDS_SUM_DATE2;
        },
    /* Type */        function(a){return IDS_SUM_TYPE1+a.uiType+IDS_SUM_TYPE2;},
    /* Subject */    function(a){
        var s = a.subject;
        return s ? IDS_SUM_SUBJ1+s+IDS_SUM_SUBJ2 : "";
        },
    ];

    /* Order of summary fields */
    ANsumorder = [ ANSB_Page, ANSB_Author, ANSB_Subject, ANSB_ModDate ];

    /* binary insertion into sorted list */
    function binsert(a, m)
    {
        var nStart = 0, nEnd = a.length - 1;

        while(nStart < nEnd)
        {
            var nMid = Math.floor((nStart + nEnd) / 2);

            if(m.toString() < a[nMid].toString())
                nEnd = nMid - 1;
            else
                nStart = nMid + 1;
        }
        if((nStart < a.length) && (m.toString() >= a[nStart].toString()))
            a.splice(nStart + 1, 0, m);
        else
            a.splice(nStart, 0, m);
    }

    /* perform a worst case n log ( n ) sort with status */
    function isort(a, status)
    {
        var i;
        var aNew = new Array();

        if(status)
        {
            app.thermometer.begin();
            app.thermometer.duration = a.length;
            app.thermometer.text = status;
        }
        for(i = 0; i < a.length; i++)
        {
            if(status)
                app.thermometer.value = i;
            binsert(aNew, a[i]);
        }
        if(status)
            app.thermometer.end();
        return aNew;
    }

    function ANstateful(annot)
    {
      return annot &&
        typeof annot.state == "object" &&
        typeof annot.state.state != "undefined" &&
        annot.state.state;
    }

    function ANsumFlatten(a, m, i, s)
    {
        var result = [];

        if(a)
        {
            if(s)
                /* if we're sorting, sort by creation date */
                a.sort(function(a,b){
                    return a.creationDate.getTime() - b.creationDate.getTime();
                });

            for(var n = 0; n < a.length; n++)
            {
                var item = a[n];

                result.push(item); /* push on the item */
                result.push(i); /* the indent level */

                // don't indent if this one is stateful
                var sub = ANsumFlatten(m[item.name], m, i + (ANstateful(item) ? 0 : 1), true);

                for(var j = 0; j < sub.length; j++)
                    result.push(sub[j]); /* and the sub stuff */
            }
        }
        return result;
    }

    function ANsummAnnot(annot, scale, doc, r, p, seqNum)
    {
      var assoc = true;

      r.size = 1 * scale;

         if(seqNum && !annot.inReplyTo)
        r.writeText(ANsums[ANSB_Seq](annot, seqNum), doc, annot.page, annot.rect, false, "" + seqNum, annot.containedPopupHeelPoint);

         for(j = 0; j < ANsumorder.length; j++)
             if(ANsumorder[j] != p)
             {
                 var s = (ANsums[ANsumorder[j]])(annot);

                 if(s)
                 {
                  if(assoc)
                  {
                    assoc = false;
                     if(!annot.inReplyTo && !seqNum)
                    r.writeText(s, doc, annot.page, annot.rect);
                     else
                       r.writeText(s, doc, annot.page);
                  }
                  else
                    r.writeText(s, doc, annot.page);
                 }
             }

      var contents = annot.richContents;

      if(contents)
      {
          r.style = "DefaultNoteText";
          r.indent({nAmount: 16 * scale, oIcon: annot.uiIcon, color: annot.strokeColor});
// qWR          r.writeText(contents, doc, annot.page);
          r.writeText(contents, doc, annot.page, annot.MEOptions); // [melall]
          r.writeText(" ", doc, annot.page);
          r.outdent(16 * scale);
      }
      else
      {
          r.indent({nAmount: 16 * scale, oIcon: annot.uiIcon, color: annot.strokeColor});
          r.writeText(" ", doc, annot.page);
          r.writeText(" ", doc, annot.page);
          r.outdent(16 * scale);
      }

      // Add the state info
      var models = Collab.getStateModels(false);
      for(i = 0; i < models.length; i++)
      {
          var states = annot.getStateInModel(models[i].name);

          if(states.length > 0)
          {
              r.writeText("" + IDS_SUM_STATUS_TITLE, doc, annot.page);

              for(j = 0; j < states.length; j++)
              {
                var d = util.printd(2, states[j].modDate);
                var s = states[j].state;
                var a = states[j].author;

                  r.writeText(a + " " + s + " " + d, doc, annot.page);
            }
          }
      }
    }

    function ANsummState(annot, scale, doc, r)
    {
      var contents = annot.richContents;

      if(contents)
      {
          r.style = "DefaultNoteText";
          r.size = 1 * scale;
          r.writeText(util.printd(2, annot.modDate), doc, annot.page);
          r.writeText(contents, doc, annot.page);
      }
      r.writeText(" ", doc, annot.page);
    }

    /*    qWR - [melall] 12/2001: added the optional alignRight parameter.
        added the annotation ME options to the writeText report method.
     */
    function ANsummarize(doc, title, p, r, dest, fs, print, twoUp, useSeqNum, scale, noAssocDoc, filter, alignRight)
    {    /* Summarize annotations sorted primarily by property p */
        if(!scale)
            scale = 1;

        var thermoUp = true;
        app.thermometer.begin();

        try
        {
            app.thermometer.text = IDS_PROGRESS_SUMMARIZE;

            if(!ANsums[p])
                p = ANSB_Page;
            if(!title)
                title = IDS_UNNAMED;

            /* make sure we have all annots */
            this.syncAnnotScan();

            /* Get all summarizable annots on all pages sorted in the given manner */
            var a = [];

            for(var n = 0; n < doc.numPages; n++)
            {
              var a2 = doc.getAnnots(n, p, r, typeof filter == "undefined" ? ANFB_ShouldSummarize : filter);

              for(var n2 = 0; a2 && n2 < a2.length; n2++)
              {
                  // If it's hidden, or a state annot (or both) don't show it
                  var curAnnot = a2[n2];

                  if(!curAnnot.hidden && (!curAnnot.state || !curAnnot.state.state))
                    a.push(curAnnot);
              }
            }

            if(a && a.length > 0) /* Put in thread order */
            {
                app.thermometer.duration = a.length * 4;

                var t = {};

                for(var n = 0; n < a.length; n++, app.thermometer.value = n * 2)
                {
                    var item = a[n];

                    if(!t[item.inReplyTo])
                        t[item.inReplyTo] = [ item ];
                    else
                        t[item.inReplyTo].push(item);
                }


                /* don't sort the top level 'cuz it's already sorted */
                a = ANsumFlatten(t[""], t, 0, false);

                /* make the indents differential */
                for(var j = a.length - 1; j > 2; j -= 2)
                    a[j] -= a[j - 2];
            }

            var t;
            var r = new Report();
            var assocDoc = noAssocDoc ? null : doc;

            if (typeof alignRight != "undefined")    // [melall]
                r.alignment = alignRight;            // [melall]

            r.ignoreAnnotLayers = (filter == ANFB_ShouldNone);
            r.joinAssocs = twoUp;
            r.style = "NoteTitle";
            r.size = 3 * scale;
            t = IDS_SUM_TITLE1 + title + IDS_SUM_TITLE2;
            r.writeText(t);
            r.divide(3.5 * scale);

            var i, j, contents;
            var oldHeading;
            var lastAnnotPage;
            var curFooterText = "";
            var seqNum = 1;

            if(a && a.length > 0)
            {
              for(i = 0; i < a.length; i += 2)
              {
                app.thermometer.value = a.length + i;

                // update the indent level
                var ind = a[i + 1];
                var curAnnot = a[i];
                var footerText = "";

                // update the footer
                  r.style = "NoteTitle";
                  r.size = 2 * scale;
                if((typeof lastAnnotPage != "undefined") && (curAnnot.page != lastAnnotPage))
                {
                    footerText = curFooterText = "";
                    r.setFooterText();
                    r.breakPage();
                    seqNum = 1;
                }

                footerText = "\r" + IDS_SUM_FOOTER1 + doc.getPageLabel(curAnnot.page) + IDS_SUM_FOOTER2;

                if(footerText != curFooterText)
                {
                    curFooterText = footerText;
                    r.setFooterText(footerText);
                }

                for(; ind < 0; ind++)
                    { r.outdent(16 * scale); r.outdent(16 * scale); }
                for(; ind > 0; ind--)
                    { r.indent(16 * scale); r.indent(16 * scale); }

                // maybe do the heading
                  var heading = (ANsums[p])(curAnnot);
                  if(heading != oldHeading)
                  {
                    if(typeof oldHeading != "undefined")
                      r.writeText(" ");
                    r.writeText(heading, assocDoc, curAnnot.page);
                    oldHeading = heading;
                    r.divide();
                  }

                if(useSeqNum)
                    ANsummAnnot(curAnnot, scale, assocDoc, r, p, seqNum);
                else
                    ANsummAnnot(curAnnot, scale, assocDoc, r, p);

                if(!curAnnot.inReplyTo)
                    seqNum++;

                  r.divide(1 * scale);
                  lastAnnotPage = curAnnot.page;
              }
              r.setFooterText();
            }
            else
              r.writeText(IDS_SUM_NO_ANNOTS1 + title + IDS_SUM_NO_ANNOTS2);

            if(thermoUp)
            {
                thermoUp = false;
                app.thermometer.end();
            }

            if (typeof dest != "undefined")
                r.save(dest, fs);
            else if(print)
                r.print();
            else
                r.open(t);
        }
        catch(e)
        {
            app.alert({cMsg: e["message"], oDoc: doc});
        }
        if(thermoUp)
            app.thermometer.end();

        return a ? a.length / 2 : 0;
    }
}

if(typeof Collab != "undefined")
{
    /* flags used by collaboration
    */
    CBFNiceTableName = 1;
    CBFNiceDBName = 2;
    CBFDBPerDoc = 4;

    function CBgetTableDesc(doc, author)
    {
      var frag = Collab.URL2PathFragment(doc.URL);
      var DBName;
      var tableName;

      if(doc.collabDBFlags & CBFDBPerDoc)
      {
        DBName = frag;
        tableName = author;
      }
      else
      {
        DBName = "";
        tableName = frag;
      }

      if(doc.collabDBFlags & CBFNiceTableName)
        tableName = Collab.hashString(tableName);
      if(doc.collabDBFlags & CBFNiceDBName)
        DBName = Collab.hashString(DBName);
      return {DBName: DBName ? doc.collabDBRoot + DBName : doc.collabDBRoot,
        tableName: tableName,
        URL: doc.URL,
        user: author,
        flags: doc.collabDBFlags};
    }

    function CBgetTableConnect(desc)
    {
      var e;

      try
      {
        var conn = ADBC.newConnection(desc.DBName);
        var stmt = conn.newStatement();

        return {conn: conn,
          stmt: stmt,
          tableName: desc.tableName,
          user: desc.user,
          flags: desc.flags};
      }
      catch(e) { debugExcept(e); return false; }
    }

    function CBgetInfo(conn, name)
    {
      var e;

      try
      {
        conn.stmt.execute("select CONTENTS from \"" + conn.tableName + "\" where AUTHOR like ?;",
          "~" + name + "~");
        conn.stmt.nextRow();
        return conn.stmt.getColumn("CONTENTS").value;
      }
      catch(e) { debugExcept(e); return false; }
    }

    function CBsetInfo(conn, name, value)
    {
      var e;

      /* add the field */
      try { return conn.stmt.execute("insert into \"" + conn.tableName + "\" (AUTHOR, CONTENTS) values (?, ?);",
          "~" + name + "~",
          value); }
      catch(e) { debugExcept(e); return false; }
    }

    function CBcreateTable(desc)
    {
      var e;

      try
      {
        var conn = ADBC.newConnection(desc.DBName);
        var stmt = conn ? conn.newStatement() : null;

        /* come up with the SQL query to do it */
        var sql1 = "create table \"" + desc.tableName + "\" (AUTHOR varchar(64), PAGE integer, NAME varchar(64), CONTENTS text, DATA image);";
        var sql2 = "create table \"" + desc.tableName + "\" (AUTHOR varchar(64), PAGE integer, NAME varchar(64), CONTENTS clob, DATA blob);";

        var conn = {conn: conn,
          stmt: stmt,
          tableName: desc.tableName,
          user: desc.user,
          flags: desc.flags};

        // first try...
        try
        {
          stmt.execute(sql1);
        } catch(e) { debugExcept(e); }
        // second try...
        try
        {
          stmt.execute(sql2);
        } catch(e) { debugExcept(e); }
        // these will throw if the table wasn't created
        CBsetInfo(conn, "URL", desc.URL);
        CBsetInfo(conn, "creator", desc.user);
        return conn;
      }
      /* we failed... */
      catch(e) { debugExcept(e); return false; }
    }

    function CBconnect(desc, bDoNotCreate)
    {
      var conn = CBgetTableConnect(desc);
      var e;

      /* if we can't get the URL from it, it doesn't exist */
      if(!CBgetInfo(conn, "URL"))
      {
        if (!bDoNotCreate)
          conn = CBcreateTable(desc);
        else
          return false;
      }

      /* here it is! */
      return conn;
    }

    /* mapping of annot types to data properties */
    CBannotdata =
    {
        FileAttachment:    function(p) { return "FSCosObj" },
        Sound:            function(p) { return "SCosObj" },
        Stamp:            function(p) { return /^\#/.exec(p.AP) ? "APCosObj" : false }
    };

    /* returns the data fork for an annot */
    function CBannotData(annot)
    {
      var prop = CBannotdata[annot.type];
      if(prop != null)
      {
          prop = prop(annot);
          var stm = prop ? Collab.cosObj2Stream(annot[prop]) : null;

          if(stm && typeof ADBC != "undefined")
            stm.type = ADBC.SQLT_LONGVARBINARY;
          return stm;
      }
    }

    /* sets the data fork of an annot */
    function CBannotSetData(annot, data)
    {
      var prop = CBannotdata[annot.type];
      if(prop)
      {
          prop = prop(annot);
          if(prop) annot[prop] = data;
      }
    }


    /* recursive function that deletes a reply chain */
    function CBDeleteReplyChain(disc)
    {
        var replies = Discussions.getDiscussions(disc);

        if (replies && (replies.length == 1))
        {
            var currentReply = replies[0];
            var looper = 1;
            while (looper)
            {
                /*
                ** There better only be one reply
                */
                var saveChild = Discussions.getDiscussions(currentReply);

    //            console.println("Delete reply");
                currentReply.Delete();

                if (saveChild && (saveChild.length == 1))
                    currentReply = saveChild[0];
                else
                    looper = 0;
            }
        }

    }

    /* gets the reply chain, stuffs it in a stream */
    /* and then puts it in the annot */
    function CBGetReplyChain(dstAnnot, discussion)
    {
        var discList = Discussions.getDiscussions(discussion);

        var cos = Collab.newWrStreamToCosObj();

        var data = 0;
        while (discList && (discList.length > 0))
        {
            data = 1;
            cos.write(discList[0].Text);
            //console.println("Write to cos stream " + discList[0].Text.length + " characters");

            discList = Discussions.getDiscussions(discList[0]);
        }

        if (data == 1)
            CBannotSetData(dstAnnot, cos.getCosObj());
    }

    /* get the stream and puts the data as replies */
    function CBPutReplyChain(discussion, bookmark, srcAnnot)
    {
        var cosStream = CBannotData(srcAnnot);

        if(cosStream)
        {
            var s = cosStream.read(Collab.wdBlockSize);

            while (discussion && (s.length > 0))
            {
                discussion = Discussions.addDiscussion(discussion, "Data", s, bookmark);

                s = null;

                s = cosStream.read(Collab.wdBlockSize);
            }
        }
    }

    /* ADBC based annot enumerator constructor
    */
    function ADBCAnnotEnumerator(parent, sorted)
    {
      /* store away parameters */
      this.parent = parent;
      this.sorted = sorted;
      /* add enumeration method */
      this.next = function()
      {
        var e;

        try
        {
          if(!this.conn)
          {
            this.conn = CBconnect(this.parent.desc, true);
            this.conn.stmt.execute("select CONTENTS from \"" + this.parent.desc.tableName + "\" where AUTHOR not like '~%~'" +
              (this.sorted ? " order by PAGE, NAME;" : ";"));
          }
          this.conn.stmt.nextRow();
          return eval(this.conn.stmt.getColumn("CONTENTS").value);
        }
        catch(e) { debugExcept(e); return false; }
      }
    }

    function CBStrToLongColumnThing(s)
    {
      return { type: ADBC.SQLT_LONGVARCHAR, value: s, size: s.length };
    }

    /* ADBC based annot store constructor
    */
    function ADBCAnnotStore(doc, user)
    {
      this.desc = CBgetTableDesc(doc, user);
      this.enumerate = function(sorted)
      {
        return new ADBCAnnotEnumerator(this, sorted);
      }
      this.complete = function(toComplete)
      {
        var i;
        var conn = CBconnect(this.desc,true);

        if (conn)
            {
          for(i = 0; toComplete && i < toComplete.length; i++)
          {
            if(CBannotdata[toComplete[i].type])
            {
              var e;

              try
              {
                conn.stmt.execute("select DATA from \"" + this.desc.tableName + "\" where PAGE = ? and NAME like ?;",
                  toComplete[i].page, toComplete[i].name);
                conn.stmt.nextRow();
                var cos = Collab.newWrStreamToCosObj();

                conn.stmt.getColumn("DATA", ADBC.Binary | ADBC.Stream, cos);
                CBannotSetData(toComplete[i], cos.getCosObj());
              }
              catch(e)
              {
                  debugExcept(e);
                return false;
              }
            }
              }
        } else return false;
        return true;
      }
      this.update = function(toDelete, toAdd, toUpdate)
      {
        var i;
        var e;
        var conn = CBconnect(this.desc);
        if(conn == null) return false;

        for(i = 0; toDelete && i < toDelete.length; i++)
        {
          try
          {
            conn.stmt.execute("delete from \"" + this.desc.tableName + "\" where PAGE = ? and NAME like ?;",
              toDelete[i].page, toDelete[i].name);
          }
          catch(e)
          {
              debugExcept(e);
            return false;
          }
        }
        for(i = 0; toAdd && i < toAdd.length; i++)
        {
          try
          {
            conn.stmt.execute("insert into \"" + this.desc.tableName + "\" (AUTHOR, PAGE, NAME, CONTENTS, DATA) values (?, ?, ?, ?, ?);",
              toAdd[i].author, toAdd[i].page, toAdd[i].name, CBStrToLongColumnThing(toAdd[i].toSource()), CBannotData(toAdd[i]));
          }
          catch(e)
          {
              debugExcept(e);
            return false;
          }
        }
        for(i = 0; toUpdate&& i < toUpdate.length; i++)
        {
          try
          {
            conn.stmt.execute("update \"" + this.desc.tableName + "\" set CONTENTS = ?, DATA = ? where PAGE = ? and NAME like ?;",
              CBStrToLongColumnThing(toUpdate[i].toSource()), CBannotData(toUpdate[i]), toUpdate[i].page, toUpdate[i].name);
          }
          catch(e)
          {
              debugExcept(e);
            return false;
          }
        }
        return true;
      }
    }

    /* Munge an URL such that Web Discussions won't put our data in the discussions pane
    */
    function WDmungeURL(url)
    {
        return url + "/ACData";
    }

    /* Web discussions based annot enumerator constructor
    */
    function WDAnnotEnumerator(parent, sorted)
    {
    //  console.println("WDAnnotEnumerator(): Begin");

      this.parent = parent;
      this.sorted = sorted;
      this.next = function()
      {
        try
        {
            app.thermometer.begin();
            app.thermometer.text = IDS_PROGRESS_FETCHING;

            if(!this.discussions)
            {
                  this.discussions = Discussions.getDiscussions(WDmungeURL(this.parent.doc.URL));

                // always sort as our completion callback relies on a sorted list
                  if(this.discussions)
                  {
                    this.discussions = isort(this.discussions, IDS_PROGRESS_SORTING);
                    app.thermometer.duration = this.discussions.length;
                  }
                  this.index = 0;
            }

            // skip non-Acro discussions
            while(this.discussions && this.index < this.discussions.length && this.discussions[this.index] == "[Discussion]")
                  app.thermometer.value = this.index++;

              app.thermometer.end();

            if(!this.discussions || this.index >= this.discussions.length)
            {
                  return false;
            }
            return eval(this.discussions[this.index++].Text);
           }

        catch(e)
        {
              debugExcept(e);
              app.thermometer.end();
            return false;
        }
      } // next
    }

    /* Web discussion based annot store constructor
    */
    function WDAnnotStore(doc, user)
    {
    //  console.println("WDAnnotStore(): Begin");

      this.doc = doc;
      this.user = user;
      this.enumerate = function(sorted)
      {
    //    console.println("WDAnnotStore.enumerate(): Begin");
        return new WDAnnotEnumerator(this, sorted);
      }
      this.complete = function(toComplete)
      {
    //    console.show();
    //    console.println("WDAnnotStore.toComplete(): Begin");

        var i,j;
    //    console.println("get discussions for "+WDmungeURL(this.doc.URL));
        var discussions = Discussions.getDiscussions(WDmungeURL(this.doc.URL));

        if (discussions == null) return false;

        if (discussions.length)
        {
            // sort them to perform fast searches
            // JS sort is a SLOW qsort... use our worst case N log ( N )
            discussions = isort(discussions, IDS_PROGRESS_SORTING);

            try
            {
                app.thermometer.begin();
                app.thermometer.text = IDS_PROGRESS_FETCHING_BIG;
                app.thermometer.duration = toComplete.length;

                for(i = 0, j = 0; discussions && (i < toComplete.length) && (j < discussions.length); app.thermometer.value = ++i)
                {
                    // create a string that'll look like the corresponding discussion
                    var discString = Discussions.makeDiscussionString(toComplete[i].page, toComplete[i].name);

                    // keep skipping annots while they are "less" than the current one
                    while(discString > discussions[j])
                        j++;

                    // if we found it
                    if(discString == discussions[j])
                    {
                        //console.println("found it - Annot to Complete " + i + " is in discussion slot " + j);
                        //console.println("subject "+discussions[j].Subject);

                        /*
                        ** We found the discussion, now gather replys which will
                        ** contain the "data" for the stream
                        */
                        if (CBannotdata[toComplete[i].type])
                            CBGetReplyChain(toComplete[i], discussions[j]);

                    }

                }
                app.thermometer.end();
            }
            catch(e)
            {
                  debugExcept(e);
                app.thermometer.end();
                return false;
            }
        }
        return true;
      }
      this.update = function(toDelete, toAdd, toUpdate)
      {
          var result = true;

    //    console.println("WDAnnotStore.update(): Begin");

        // get the list of discussions
    //    console.println("WDAnnotStore.update(): get discussions "+WDmungeURL(this.doc.URL();
        var discussions = Discussions.getDiscussions(WDmungeURL(this.doc.URL));
        var i, j;

        // if we got any...
        if(discussions && discussions.length)
        {
    //        console.println("WDAnnotStore.update(): got some " + discussions.length);
            // sort them to perform fast searches
            discussions = isort(discussions, IDS_PROGRESS_SORTING);

            // if we've got any to update
            if(toUpdate && toUpdate.length)
            {
                try
                {
                    app.thermometer.begin();
                    app.thermometer.text = IDS_PROGRESS_CHANGING;
                    app.thermometer.duration = toUpdate.length;

                    for(i = 0, j = 0; i < toUpdate.length && j < discussions.length; app.thermometer.value = ++i)
                    {
                          // create a string that'll look like
                        // the corresponding discussion
                          var discString = Discussions.makeDiscussionString(toUpdate[i].page, toUpdate[i].name);

                          // keep skipping annots while they are
                        // "less" than the current one
                          while(discString > discussions[j]) j++;

                          // if we found it
                          if(discString == discussions[j])
                          {
                            // then update it!
                            CBDeleteReplyChain(discussions[j]);
                            discussions[j].Delete();

                            var bookmark = Discussions.makeBookmark(toUpdate[i].page, toUpdate[i].name);
                            discussions[j] = Discussions.addDiscussion(WDmungeURL(this.doc.URL), "Markup", toUpdate[i].toSource(), bookmark);
                            CBPutReplyChain(discussions[j], bookmark, toUpdate[i]);
                            j++;
                          }
                    }
                    app.thermometer.end();
                }

                catch(e)
                {
                    app.thermometer.end();
                    return false;
                }
            }

            // delete is just like update
            if(toDelete && toDelete.length)
            {
                try
                {
                    app.thermometer.begin();
                    app.thermometer.text = IDS_PROGRESS_DELETING;
                    app.thermometer.duration = toDelete.length;
                    for(i = 0, j = 0; i < toDelete.length && j < discussions.length; app.thermometer.value = ++i)
                    {
                          var discString = Discussions.makeDiscussionString(toDelete[i].page, toDelete[i].name);

                          while(discString > discussions[j])
                            j++;

                          if(discString == discussions[j])
                          {
                            CBDeleteReplyChain(discussions[j]);
                            discussions[j].Delete();
                            j++;
                          }
                    }
                    app.thermometer.end();
                }

                catch(e)
                {
                    app.thermometer.end();
                    return false;
                }
            }
        }
        if(toAdd && toAdd.length)
        {
            try
            {
                app.thermometer.begin();
                app.thermometer.text = IDS_PROGRESS_ADDING;
                app.thermometer.duration = toAdd.length;

                for(i = 0; toAdd && i < toAdd.length; app.thermometer.value = ++i)
                {
                      var bookmark = Discussions.makeBookmark(toAdd[i].page, toAdd[i].name);

                      var discussion = Discussions.addDiscussion(WDmungeURL(this.doc.URL), "Markup", toAdd[i].toSource(), bookmark);

                    if(discussion == null)
                    {
                        result = false;
                        break;
                    }

                      if (CBannotdata[toAdd[i].type])
                    {
                        CBPutReplyChain(discussion, bookmark, toAdd[i]);
                    }

                }
                app.thermometer.end();
            }

            catch(e)
            {
                app.thermometer.end();
                return false;
            }

        }
        return result;
      }
    }

    /* Set up default annot stores */
    Collab.addAnnotStore("NONE", IDS_STORE_NONE,
        {create: function(doc, user, settings){ return null; }});
    Collab.setStoreNoSettings("NONE", true);
    if(typeof Discussions != "undefined")
    {
      Collab.addAnnotStore("WD", IDS_STORE_WEB_DISCUSSIONS,
            {create: function(doc, user, settings){ return new WDAnnotStore(doc, user); }});
        Collab.setStoreNoSettings("WD", true);
    }
    if(typeof ADBC != "undefined")
        Collab.addAnnotStore("DB", IDS_STORE_DATABASE,
            {create: function(doc, user, settings){ doc.collabDBRoot = settings; doc.collabDBFlags = CBFNiceTableName; return (settings && settings != "") ? new ADBCAnnotStore(doc, user) : null; }});
    Collab.addAnnotStore("DAVFDF", IDS_STORE_DAVFDF,
        {create: function(doc, user, settings){ return (settings && settings != "") ? new FSAnnotStore(doc, user, settings + doc.Collab.docID + "/", "CHTTP") : null; }});
    Collab.addAnnotStore("FSFDF", IDS_STORE_FSFDF,
        {create: function(doc, user, settings){ return (settings && settings != "") ? new FSAnnotStore(doc, user, settings + doc.Collab.docID + "/") : null; }});
    Collab.setStoreFSBased("FSFDF", true);

    // Web Discussion data block size
    Collab.wdBlockSize = 16384;

    // Add default state handlers -- this should go in a seperate file.
    Collab.addStateModel
    ({
        cName: "Review",
        cUIName: IDS_ACTION_REVIEW,
        oStates:
        {
            "None": IDS_STATE_NONE,
            "Accepted":
            {
                cUIName: IDS_STATE_ACCEPT,
                cIconName: "C_Accept_Md_N.png"
            },
            "Rejected":
            {
                cUIName: IDS_STATE_REJECT,
                cIconName: "C_Reject_Md_N.png"
            },
            "Cancelled":
            {
                cUIName: IDS_STATE_CANCELLED,
                cIconName: "C_Cancel_Md_N.png"
            },
            "Completed":
            {
                cUIName: IDS_STATE_COMPLETED,
                cIconName: "C_Complete_Md_N.png"
            }
        },
        cDefault: "None"
    });

    Collab.addStateModel
    ({
        cName: "CollabStatus",
        cUIName: IDS_ACTION_COLLAB,
        oStates:
        {
            "Modified": IDS_STATE_COLLAB_ACTIVE,
            "Completed": IDS_STATE_COLLAB_COMPLETED
        },
        bHidden: true,
        cDefault: "Modified"
    });

    Collab.addStateModel
    ({
        cName: "Marked",
        cUIName: IDS_ACTION_MARKED,
        oStates:
        {
            "Marked": IDS_STATE_MARKED,
            "Unmarked": IDS_STATE_UNMARKED
        },
        cDefault: "Unmarked",
        bHidden: true,
        bHistory: false
    });
}

/* E-mail ad-hoc workflow stuff */

// Send the current document out for review
function ANSendForReview(doc)
{
    if(!doc.dirty || app.alert({cMsg: IDS_SEND_FOR_REVIEW_DOC_IS_DIRTY, cTitle: IDS_SEND_FOR_REVIEW_TITLE_NONAME, nType: 2, nIcon: 1, oDoc: doc}) == 4)
    {
        // is there a valid e-mail address attached to the doc?
        var eaddr = identity.email;
        var explicitlyEntered = false;

        // Make sure the document gets saved if it's readonly
        if(doc.dirty && !doc.requestPermission(permission.document, permission.remove))
        {
            app.execMenuItem("Save");
            if(doc.dirty)
                return 0; // Cancelled
        }

        // if not, try to get one
        if(!eaddr)
        {
            var emailRE = /^([a-zA-Z0-9_\-\.\/]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;

            // pop the question
            do
            {
                eaddr = app.response({    cQuestion: IDS_EMAIL_PLEASE,
                                        cTitle: IDS_EMAIL_TITLE,
                                        cDefault: IDS_EMAIL_BLANKNAME,
                                        cLabel: IDS_EMAIL_LABEL});
                if(eaddr != null && !eaddr.match(emailRE))
                    app.alert({cMsg: IDS_EMAIL_INVALID, cTitle: IDS_SEND_FOR_REVIEW_TITLE_NONAME, nIcon: 1, oDoc: doc});
            } while(eaddr != null && !eaddr.match(emailRE));

            // got a response?    pop it into the author info field
            if(eaddr != null)
                identity.email = eaddr;
        }

        // shall we?
        var name;
        var match = doc.path.match(/\/([^\/]*$)/);

        if (match && match.length == 2)
            name = match[1];

        if(!name)
            name = doc.path;

        // plop it into a localized string
        name = name.replace(/\.pdf\w*$/i, "");
        name = IDS_SEND_FOR_REVIEW_ATTACHMENT.replace(/\%pdfbase\%/g, name);

        if(eaddr != null)
        {
            var result;
            var info;
            var firstTime = true;
            var keepTrying = true;
            var startDate;

            //
            // If the submitForm fails, allow the user to correct the situation by
            // bringing them back to our email dialog.  To get out of this while
            // loop either a successful email must occur or the user must cancel
            // the dialog.
            //
            while (keepTrying)
            {
                if (firstTime)
                {
                    info = doc.Collab.collectEmailInfo({
                        subj: IDS_SEND_FOR_REVIEW_SUBJ,
                        msg: IDS_SEND_FOR_REVIEW_MSG,
                        inst1: IDS_SEND_FOR_REVIEW_INST1,
                        inst2: IDS_SEND_FOR_REVIEW_INST2,
                        title: IDS_SEND_FOR_REVIEW_TITLE,
                        attach: name,
                        reviewStatusDisabled: true,
                        helpID: "Dlg_SendEmailReview",
                        cCaption: IDS_SEND_FOR_REVIEW_GET_ADDRS_CAPTION,
                        msgLabel: IDS_SEND_FOR_REVIEW_MSG_LABEL
                        });
                    firstTime = false;

                } else {
                    info = doc.Collab.collectEmailInfo({
                        to: info[0],
                        cc: info[1],
                        bcc: info[2],
                        subj: info[3],
                        msg: info[4],
                        inst1: IDS_SEND_FOR_REVIEW_INST1,
                        inst2: IDS_SEND_FOR_REVIEW_INST2,
                        title: IDS_SEND_FOR_REVIEW_TITLE,
                        attach: name,
                        reviewStatusDisabled: true,
                        helpID: "Dlg_SendEmailReview",
                        cCaption: IDS_SEND_FOR_REVIEW_GET_ADDRS_CAPTION,
                        msgLabel: IDS_SEND_FOR_REVIEW_MSG_LABEL
                        });
                }

                if (info)
                {
                    startDate = new Date();
                    var url = "mailto:" + escape(info[0]) + "?" +
                        "cc=" + escape(info[1]) + "&" +
                        "bcc=" + escape(info[2]) + "&" +
                        "subject=" + escape(info[3]) + "&" +
                        "body=" + escape(info[4]) + "&" +
                        "ui=false";

                    var deadSource = info[5] ? ", " + info[5].toSource() : "";
                    var script = "if(app.viewerType.match(\"Exchange\") == null || app.viewerVersion < 6) { app.alert({cMsg: \"" + IDS_SEND_FOR_REVIEW_VERSION_ERR + "\", oDoc: doc}) } else { Collab.registerReview(this, " + eaddr.toSource() + ", \"\", " + info[0].toSource() + ", " + info[1].toSource() + ", \"\", " + startDate.toSource() + deadSource + ");}";

                    if (app.platform == "WIN")
                    {
                        if((typeof info[0] == "undefined") || info[0].length == 0)
                        {
                            app.alert({cMsg: IDS_SEND_FOR_REVIEW_NO_RECIPIENT, oDoc: doc});
                            return 0; // Cancelled
                        }
                    }

                    var e;
                    try
                    {
                        keepTrying = false;
                        result = doc.submitForm({cURL: url, bEmbedForm: true, oJavaScript: { After: script } });
                    }
                    catch(e)
                    {
                        app.alert({cMsg: e["message"], oDoc: doc});
                        keepTrying = true;
//                        app.alert({cMsg: IDS_SEND_FOR_REVIEW_PROBLEM, oDoc: doc});
//                        return 0; // Cancelled
                    }
                }
                else
                    keepTrying = false;
            }

            // Check the return value: submitForm can fail but not throw
            // if it popped it's own UI.
            if(!result) return 0; // Cancelled

            var fdfName = name.replace(/\.pdf\w*$/i,"\.fdf");
            var alertText = IDS_SEND_FOR_REVIEW_CONFIRM_MSG.replace(/\%docname\%/g, fdfName);
            if (doc.Collab.isOutlook)
            {
                doc.Collab.alertWithHelp(
                    { cMsg: alertText,
                    cTip: IDS_SEND_FOR_REVIEW_CONFIRM_TIP,
                    cTitle: IDS_SEND_FOR_REVIEW_CONFIRM_TITLE,
                    cPref: "Annots:OutgoingEmailNotification"}
                  );
            }

            // note that only the first part of this message is displayed.  If the full text
            // is displayed there is a bug in the alert and the OK button is not located
            // properly and cannot get focus and thus the dialog cannot be dismissed.
            if(info[5])
                Collab.registerReview(doc, null, "", info[0], info[1], info[2], startDate, info[5]);
            else
                Collab.registerReview(doc, null, "", info[0], info[1], info[2], startDate);

            return 1; // Success

        } else return 0; // Cancelled - if (eaddr is not NULL)
    } else return 0; // Cancelled - if (!docIsDirty)
  return -1; // Failed
}

// Should send for review be enabled?
function ANSendForReviewEnabled(doc)
{
  event.rc = doc && !doc.external && doc.requestPermission(permission.annot, permission.canExport) && doc.requestPermission(permission.annot, permission.modify);
}

function ANSendCommentsToAuthor(doc)
{
    var eaddr = doc.Collab.initiatorEmail;
    var name = doc.info.title;  // first attempt: title info

    // second attempt: last component of path
    if(!name)
    {
        var match = doc.path.match(/\/([^\/]*$)/);

        if(match && match.length == 2)
        name = match[1];
    }

    // third attempt: path
    if(!name)
        name = doc.path;

    var attachname;
    var amatch = doc.path.match(/\/([^\/]*$)/);
    if(amatch && amatch.length == 2)
        attachname = amatch[1];
    if(!attachname)
        attachname = doc.path;
    var fdfName = attachname.replace(/\.pdf\w*$/i,"\.fdf");

    var dlgTitle = IDS_SEND_COMMENTS_TO_AUTHOR_TITLE.replace(/\{docname\}/g, name);
    var subject = IDS_SEND_COMMENTS_TO_AUTHOR_SUBJ.replace(/\{title\}/g, name);
    var mesg = IDS_SEND_COMMENTS_TO_AUTHOR_MSG.replace(/\{title\}/g, name);
    var firstTime = true;
    var keepTrying = true;
    var info;
    var result;

    fdfName = fdfName.replace(/\.fdf\w*$/i, "");
     fdfName = IDS_SEND_COMMENTS_ATTACHMENT.replace(/\%pdfbase\%/g, fdfName);

    //
    // Keep trying to send to send email until the user cancels the email
    // review dialog or we successfully send the email
    //
    while (keepTrying)
    {
        if (firstTime)
        {
            info = doc.Collab.collectEmailInfo({
                to: eaddr,
                subj: subject,
                msg: mesg,
                title: dlgTitle,
                attach: fdfName,
                inst1: IDS_SEND_COMMENTS_TO_AUTHOR_INST1,
                inst2: IDS_SEND_COMMENTS_TO_AUTHOR_INST2,
                toDisabled: true,
                ccDisabled: true,
                bccDisabled: true,
                deadDateDisabled: true,
                reviewStatusDisabled: false,
                helpID: "Dlg_ReplyReview",
                cCaption: IDS_SEND_FOR_REVIEW_GET_ADDRS_CAPTION,
                msgLabel: IDS_SEND_COMMENTS_TO_AUTHOR_MSG_LABEL
                });
            firstTime = false;
        } else {

            info = doc.Collab.collectEmailInfo({
                to: info[0],
                cc: info[1],
                bcc: info[2],
                subj: info[3],
                msg: info[4],
                title: dlgTitle,
                attach: fdfName,
                inst1: IDS_SEND_COMMENTS_TO_AUTHOR_INST1,
                inst2: IDS_SEND_COMMENTS_TO_AUTHOR_INST2,
                toDisabled: true,
                ccDisabled: true,
                bccDisabled: true,
                deadDateDisabled: true,
                reviewStatusDisabled: false,
                helpID: "Dlg_ReplyReview",
                cCaption: IDS_SEND_FOR_REVIEW_GET_ADDRS_CAPTION,
                msgLabel: IDS_SEND_COMMENTS_TO_AUTHOR_MSG_LABEL
                });
        }

        if(info)
        {
            var url = "mailto:" + escape(info[0]) + "?" +
                "cc=" + escape(info[1]) + "&" +
                "bcc=" + escape(info[2]) + "&" +
                "subject=" + escape(info[3]) + "&" +
                "body=" + escape(info[4]) + "&" +
                "ui=false";

            var e;
            try
            {
                keepTrying = false;
                result = doc.submitForm({
                    aFields: [],
                    bAnnotations: true,
                    bInclNMKey: true,
                    cURL: url,
                    bExclFKey: true
                    });
            }
            catch(e)
            {
                keepTrying = true;
                app.alert({cMsg: e["message"], oDoc: doc});
            }
        }
        else
            keepTrying = false;
    }

    if(!result) return;

    var alertText = IDS_SEND_FOR_REVIEW_CONFIRM_MSG.replace(/\%docname\%/g, fdfName);
    if (doc.Collab.isOutlook)
    {
        doc.Collab.alertWithHelp(
            { cMsg: alertText,
              cTip: IDS_SEND_FOR_REVIEW_CONFIRM_TIP,
              cTitle: IDS_SEND_FOR_REVIEW_CONFIRM_TITLE,
              cPref: "Annots:OutgoingEmailNotification"}
              );
    }
    Collab.setReviewRespondedDate(doc, new Date());
}

function ANSendCommentsToAuthorEnabled(doc)
{
  return (event.rc = doc && doc.Collab.initiatorEmail && doc.requestPermission(permission.annot, permission.canExport) && doc.requestPermission(permission.annot, permission.modify));
}

if(!app.viewerType.match(/Reader/))
{
    // Add the menu item
    app.addMenuItem({
      cName: "SendForReview",
      cUser: IDS_SEND_FOR_REVIEW,
      cParent: "File",
      nPos: "endOptimizeGroup",
      cExec: "ANSendForReview(event.target);",
      cEnable: "ANSendForReviewEnabled(event.target);",
      bPrepend: false
    });

    // Add the menu item
    app.addMenuItem({
      cName: "SendCommentsToAuthor",
      cUser: IDS_SEND_COMMENTS_TO_AUTHOR,
      cParent: "File",
      nPos: "endSendCommentsMenuItem",
      cExec: "ANSendCommentsToAuthor(event.target);",
      cEnable: "ANSendCommentsToAuthorEnabled(event.target);",
      bPrepend: true
    });
}

function ANDefaultInvite(doc)
{
  if(!doc.external)
  {
    return ANSendForReview(doc);
  }
  // if external, fall through to the default C++ implementation
};

Collab.invite = ANDefaultInvite;

function CBdef(a, b)
{
  return typeof a == "undefined" ? b : a;
}

function Matrix2D(a, b, c, d, h, v)
{
    this.a = CBdef(a, 1);
    this.b = CBdef(b, 0);
    this.c = CBdef(c, 0);
    this.d = CBdef(d, 1);
    this.h = CBdef(h, 0);
    this.v = CBdef(v, 0);
    this.fromRotated = function(doc, page)
    {
        page = CBdef(page, 0);

        var cropBox = doc.getPageBox("Crop", page);
        var mediaBox = doc.getPageBox("Media", page);
        var mbHeight = mediaBox[1] - mediaBox[3];
        var mbWidth = mediaBox[2] - mediaBox[0];
        var rotation = doc.getPageRotation(page);
        var m = new Matrix2D(1, 0, 0, 1, cropBox[0] - mediaBox[0], cropBox[3] - mediaBox[3]);

        if(rotation == 90)
            return this.concat(m.rotate(Math.asin(1.0)).translate(mbHeight, 0));
        else if(rotation == 180)
            return this.concat(m.rotate(2.0 * -Math.asin(1.0)).translate(mbWidth, mbHeight));
        else if(rotation == 270)
            return this.concat(m.rotate(-Math.asin(1.0)).translate(0, mbWidth));
        return this.concat(m);
    }
    this.transform = function(pts)
    {
        var result = new Array(pts.length);

        if(typeof pts[0] == "object")
            for(var n = 0; n < pts.length; n++)
                result[n] = this.transform(pts[n]);
        else
            for(var n = 0; n + 1 < pts.length; n += 2)
            {
                result[n] = this.a * pts[n] + this.c * pts[n + 1] + this.h;
                result[n + 1] = this.b * pts[n] + this.d * pts[n + 1] + this.v;
            }
        return result;
    }
    this.concat = function(m)
    {
        return new Matrix2D(
            (this.a * m.a) + (this.b * m.c),
            (this.a * m.b) + (this.b * m.d),
            (this.c * m.a) + (this.d * m.c),
            (this.c * m.b) + (this.d * m.d),
            (this.h * m.a) + (this.v * m.c) + m.h,
            (this.h * m.b) + (this.v * m.d) + m.v);
    }
    this.invert = function()
    {
        var result = new Matrix2D;
        var q = this.b * this.c - this.a * this.d;

        if (q)
        {
            result.a = - this.d / q;
            result.b = this.b / q;
            result.c = this.c / q;
            result.d = - this.a / q;
            result.h = -(this.h * result.a + this.v * result.c);
            result.v = -(this.h * result.b + this.v * result.d);
        }
        return result;
    }
    this.translate = function(dx, dy)
    {
        return this.concat(new Matrix2D(1, 0, 0, 1, CBdef(dx, 0), CBdef(dy, 0)));
    }
    this.scale = function(sx, sy)
    {
        return this.concat(new Matrix2D(CBdef(sx, 1), 0, 0, CBdef(sy, 1), 0, 0));
    }
    this.rotate = function(t)
    {
        t = CBdef(t, 0);
        return this.concat(new Matrix2D(Math.cos(t), Math.sin(t), -Math.sin(t), Math.cos(t), 0, 0));
    }
}