function cmpSearchController()
{

 // letzte Query
 this.lastQuery = "";
 // Query-Parameter:
 this.lastQueryText = "";
 this.maxHits = 999;
 this.currentPage = 0;
 this.hitsPerPage = 20;
 this.excerptLength = "0";
 this.domain = "";

 this.lastAnchor = "";

 // Query-Text

// this.formInit = cmpSearchController_FormInit;
// this.formSave = cmpSearchController_FormSave;
 this.formInitData = cmpSearchController_FormInitData;
 this.buildQueryAdv = cmpSearchController_BuildQueryAdv;
 this.buildQueryBoolean = cmpSearchController_BuildQueryBoolean;
 this.getLastQuery = cmpSearchController_GetLastQuery;
 this.saveQueryParameters = cmpSearchController_SaveQueryParameters;
 this.saveQuickSearch = cmpSearchController_SaveQuickSearch;
 this.buildQueryParameters = cmpSearchController_BuildQueryParameters;
 // Die Laenge des anzuzeigenden Textauszugs zurueckgeben
 this.getExtractLength = cmpSearchController_GetExtractLength;

 this.saveAnchorQuery = cmpSearchController_SetAnchorQuery;
 this.getAnchorQuery = cmpSearchController_GetAnchorQuery;

 this.formInitData();
}

function cmpSearchController_FormInitData()
{
 // Standard-Werte (wieder-) herstellen
 this.maxHits = 999;
 this.currentPage = 0;
 this.hitsPerPage = 20;
 this.excerptLength = "0";
 this.domain = "";
 this.lastAnchor = "";
 }

function cmpSearchController_BuildQueryAdv(doc)
{
 // Query aus den Formular-Inhalten bauen
 var ui = doc.ui_form;
 var query ='';
 var textparts = new Array();

 if(ui.and.value != "") {
  var query_and = ui.and.value;
  // Normalisieren => Funktion
  query_and = query_and.toLowerCase();
  query_and = query_and.replace(/[\+\-\:\~\^]+/g, "");
  if (query_and.indexOf(" ") >= 0) {
   query_and = query_and.replace(/  /g, " ");
   query_and = "(" + query_and.replace(/ /g, " AND ") + ")";
  }
  query = query_and;
  textparts.push("Alle: " + ui.and.value);
 }

 if(ui.or.value != "")
 {
  var query_or = ui.or.value;
  // Normalisieren => Funktion
  query_or = query_or.toLowerCase();
  query_or = query_or.replace(/[\+\-\:\~\^]+/g, "");
  if (query_or.indexOf(" ") >= 0)  {
   query_or = query_or.replace(/  /g, " ");
   query_or = "(" + query_or.replace(/ /g, " OR ") + ")";
  }
  query = query_or;
  textparts.push("Mindestens eins: " + ui.or.value);
 }

 if(ui.phrase.value != "")
 {
  var query_phrase = ui.phrase.value;
  // Normalisieren => Funktion
  query_phrase = query_phrase.toLowerCase();
  query_phrase = query_phrase.replace(/[\+\-\:\~\^]+/g, "");
  query_phrase = query_phrase.replace(/^ /, "");
  query_phrase = query_phrase.replace(/ /, '%20');

//         query = query + "\""+ query_phrase + "\"" ;
  query = query + "%22"+ query_phrase + "%22" ;
  textparts.push("Genaue Wortfolge: " + ui.phrase.value);
 }
 if(ui.not.value != "")
 {
  var query_not = ui.not.value;
  // Normalisieren => Funktion
  query_not = query_not.toLowerCase();
  query_not = query_not.replace(/[\+\-\:\~\^]+/g, "");
  query_not = query_not.replace(/^ /, "");

  if (query_not.indexOf(" ") >= 0)
  {
   query_not = query_not.replace(/  /g, " ");
   query_not = "(" + query_not.replace(/ /g, " AND NOT ") + ")";
  }
  query_not = " AND NOT " + query_not;

  query = query + query_not;
  textparts.push("Keines von: " + ui.not.value);
 }
 this.lastQuery = query;
 this.lastQueryText = textparts.join(", ");
 return query;
}
function cmpSearchController_BuildQueryBoolean(doc)
{
 // Komfortsuche, 2 Eingabefelder (Volltext, Titel)
 // - mindestens eines der Felder mu� einen Text enthalten
 // - in keinem der Texte darf ein Suchwort mit "*" beginnen
 var form = doc.input_form;
 var volltext = new st_textField(form.volltextq, "Textsuche", null);
// var titel = new st_textField(form.titelq, "Titelsuche", "Titel");
// if ((volltext.value+titel.value).length == 0) {
 if (volltext.value.length == 0) {
  alert("Bitte geben Sie einen Suchbegriff an.");
  form.volltextq.focus();
  return "";
 }

// if (!(volltext.validate() && titel.validate() )) {
 if (!(volltext.validate())) {
  return "";
 }

 var fieldNames = st_checkBoxValueList(form, "gr");
 var parts = new Array();
 var partTexts = new Array();
 var sPart;

 sPart = volltext.toQueryWithExtraFields(true, "", fieldNames)
 if (sPart.length > 0) {parts.push("(" + sPart + ")");partTexts.push(volltext.toQueryText());}
// sPart = titel.toQueryWithExtraFields(true, "", fieldNames)
// if (sPart.length > 0) {parts.push("(" + sPart + ")");partTexts.push(titel.toQueryText());}

 var sQuery = parts.join(" AND ");
 sQuery = sQuery.replace(/\"/, "%22"); //??
 this.lastQuery = sQuery;
 this.lastQueryText = partTexts.join(", ");
 return sQuery;
}

function cmpSearchController_GetLastQuery(nMode)
{
 if (nMode == 0) { return this.lastQuery;}
 if (nMode == 1) { return this.lastQueryText;}
 if (nMode == 2) { return encodeUml(this.lastQuery); }
 if (nMode == 3) { return encodeUml(this.lastQueryText); }
}

function cmpSearchController_SaveQueryParameters(cur, cnt, el, d, mh)
{

 this.currentPage = cur;
 this.hitsPerPage = cnt;
 this.excerptLength = el;
 this.domain = d;
 if (this.domain == null) {this.domain = "";}
 this.maxHits = mh;
 if (this.maxHits == null) {this.maxHits = "999";}
}

function cmpSearchController_SaveQuickSearch(q, qt)
{
 this.formInitData();
 this.type1 = 0;
 this.qry1 = q;
 this.lastQuery = q;
 this.lastQueryText = qt;
}

function cmpSearchController_BuildQueryParameters()
{
 var params = "";
 if (this.lastQuery != "")
 {
  params = "&q=" + encodeUml(this.lastQuery) + "&qt=" + encodeUml(this.lastQueryText) +
           "&cur=" + this.currentPage + "&el=" + this.excerptLength + "&d=" +
           this.domain + "&mh=" + this.maxHits;
 }
 return params;
}

function cmpSearchController_GetExtractLength()
{
 return this.excerptLength;
}

function encodeUml(s) {
 s = s.replace(/[äÄ]{1}/g, "xyayx");
 s = s.replace(/[öÖ]{1}/g, "xyoyx");
 s = s.replace(/[üÜ]{1}/g, "xyuyx");
 s = s.replace(/[ß]{1}/g, "xysyx");
 return s;
}

function cmpSearchController_FormInit(doc, form)
{
 // gespeicherte Werte auf Formular anwenden

}

function cmpSearchController_FormSave(form)
{
 // aktuelle Werte aus User-Interface-Formular sichern
}

function cmpSearchController_SetAnchorQuery(sAnchor) {
 this.lastAnchor = sAnchor;
}

function cmpSearchController_GetAnchorQuery(nMode) {
 if (nMode == 1) {return this.lastAnchor;}
 else if (nMode == 2) {return st_encodeForAnchor(this.lastAnchor);}
 return "";
}

// Hilfsfunktionen f�r Queries

//äÄ öÖ üÜ ß
//� �  � �  � �  �

// Liste der Suchterme als Array
// 'test "y" "kein Sonderfall" kann wald "" "einzeln" "Gesetz""Bund"'
// => test, "Y", "kein Sonderfall", kann, wald, "einzeln" "Gesetz", "Bund"
// bAllowOperators: "(" und ")" als Operatoren separat stellen
function st_buildTermList(s, bAllowOperators) {
 var list = new Array();
 var inQuote = false;
 var current = "";
 for (var i = 0; i < s.length; i++) {
  var c = s.charAt(i);
  if (c == " ")  {
   if (inQuote) { current += c; } else { pushCurr(); }
  } else if (c == '"') {
   if (inQuote) { pushCurr(); inQuote = false; } else { pushCurr(); inQuote = true; }
  } else if (c == '(' || c == ')') {
   if (bAllowOperators && !inQuote) {
    pushCurr(); current=c;pushCurr();
   }
  } else {
   current += c;
  }
 }
 pushCurr();

 return list;
 function pushCurr() {
  while(current.charAt(0) == " ") {current = current.substr(1);}
  while(current.charAt(current.length-1) == " ") {current = current.substr(0, current.length-1);}
  if (current.length > 0) {
   if (inQuote) {current = '"' + current + '"';}
   list.push(current);
  }
  current = '';
 }
}

// value aller Checkboxen mit sName abfragen, liefert ein Array
function st_checkBoxValueList(form, sName) {
 var controls = form.elements[sName];
 var checkedList = new Array();
 for (var i = 0; i < controls.length; i++) {
  var control = controls[i];
  if (control.checked) {checkedList.push(control.value);}
 }
 return checkedList;
}

// Suche nach Anker: %codierten Ankername aufbauen
function st_encodeForAnchor(sName) {
 var sAnchor = encodeURI(sName);
 sAnchor = sAnchor.replace(/!/g,"%21").replace(/\*/,"%2A").replace(/\'/,"%27");
 sAnchor = sAnchor.replace(/\(/g,"%28").replace(/\)/,"%29").replace(/;/,"%3B");
 sAnchor = sAnchor.replace(/\:/g,"%3A").replace(/@/,"%40").replace(/&/,"%26");
 sAnchor = sAnchor.replace(/=/g,"%3D").replace(/\+/,"%2B").replace(/\$/,"%24");
 sAnchor = sAnchor.replace(/,/g,"%2C").replace(/\//,"%2F").replace(/\?/,"%3F");
 sAnchor = sAnchor.replace(/#/g,"%23");
 return sAnchor;
}

function st_textField(control, controlName, indexField) {
 this.control = control;
 this.controlName = controlName;
 this.indexField = indexField;
 this.value = "";

 this.read = st_textField_Read;
 this.validate = st_textField_Validate;
 this.toQuery = st_textField_toQuery;
 this.toQueryWithExtraFields = st_textField_toQueryWithExtraFields;
 this.toQueryText = st_textField_toQueryText;
 this.read();
}

function st_textField_Read() {
 var query = this.control.value;
 if (query.replace(/ /g,"").length == 0) {query = '';}
 this.value = query;
 return this.value;
}

function st_textField_Validate() {
 if (this.value.length == 0) {return true;}
 var parts = this.value.replace(/\"/, " ").split(" ");
 for (var i = 0; i < parts.length; i++) {
  if (parts[i].charAt(0) == "*") {
   this.control.focus();
   alert('Der Suchbegriff im Feld"' + this.controlName + '" enthält mindestens ein Suchwort, das mit "*" beginnt. Diese Suche ist nicht zulässig.');
   return false;
  }
 }
 return true;
}

// Query bauen
// bOnlyTerms: true => nur die Terme verkn�pfen, fieldName ignorieren; false: Feldquery
// bAllowOperators: true => Operatoren AND,OR,NOT,"(",")" erlauben, sOperator wird ignoriert
//  false => Operatoren rausfischen, alles mit sOperator verkn�pfen
function st_textField_toQuery(bOnlyTerms, bAllowOperators, sOperator) {
 var rawTerms = st_buildTermList(this.value, bAllowOperators);
 if (rawTerms.length == 0) {return "";}

 var sQuery = '';
 if (bAllowOperators) {
  sQuery = rawTerms.join(' ');
 } else {
  var terms = new Array();
  for (var i = 0; i < rawTerms.length; i++) {
   var part = rawTerms[i];
   if (part != "AND" && part != "OR" && part != "NOT") {
    terms.push(part);
   }
  }
  if (terms.length == 0) {return "";}
  sQuery = terms.join(" " + sOperator + " ");
 }
 if (!bOnlyTerms) {
  if (this.indexField == null || this.indexField.length == 0) {
   sQuery = "(" + sQuery + ")";
  } else {
   sQuery = this.indexField+":(" + sQuery + ")";
  }
 }
 return sQuery;
}

function st_textField_toQueryWithExtraFields(bAllowOperators, sOperator, fields) {
 if (fields == null || fields.length == 0) {return this.toQuery(false, bAllowOperators, sOperator);}
 var sBaseQuery = this.toQuery(true, bAllowOperators, sOperator);
 if (sBaseQuery.length == 0) {return "";}
 var sQuery;
 // Inhalt mu� im Basisfeld und in einem der Felder aus fields enthalten sein
 var fieldParts = new Array();
 for (var i = 0; i < fields.length; i++) {
  var qp = fields[i]+":(" + sBaseQuery + ")";
  fieldParts.push(qp);
 }
 var sFieldQuery = "(" + fieldParts.join(" OR ") + ")";
 sQuery = this.toQuery(false, bAllowOperators, sOperator) + " AND " + sFieldQuery;
 return sQuery;
}

function st_textField_toQueryText() {
 if (this.value.length == 0) {return "";}
 return this.controlName + ":'" + this.value + "'";
}