Abstracted the Scholar.*Types logic to a base function that can be extended and added singletons for the various types -- rock the JS prototype model
This commit is contained in:
Dan Stillman
parent
b4c8dbe700
commit
9d58fac7e0
1 changed files with 123 additions and 254 deletions
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@ -2828,294 +2828,163 @@ Scholar.Tags = new function(){
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/*
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* Same structure as Scholar.ItemTypes and FileTypes --
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* make changes in both places if possible
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* Base function for retrieving ids and names of static types stored in the DB
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* (e.g. creatorType, fileType, charset, itemType)
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*
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* Extend using the following code within a child constructor:
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*
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* Scholar.CachedTypes.apply(this, arguments);
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* this.constructor.prototype = new Scholar.CachedTypes();
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*
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* And the following properties:
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*
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* this._typeDesc = 'c';
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* this._idCol = '';
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* this._nameCol = '';
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* this._table = '';
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* this._ignoreCase = true;
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*
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*/
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Scholar.CachedTypes = function(){
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var _types = new Array();
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var _typesLoaded;
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var self = this;
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// Override these variables in child classes
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this._typeDesc = '';
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this._idCol = '';
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this._nameCol = '';
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this._table = '';
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this._ignoreCase = true;
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this.getName = getName;
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this.getID = getID;
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this.getTypes = getTypes;
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function getName(idOrName){
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if (!_typesLoaded){
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_load();
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}
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idOrName = idOrName + '';
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if (this._ignoreCase){
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idOrName = idOrName.toLowerCase();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid ' + this._typeDesc + ' ' + idOrName, 1);
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}
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return _types[idOrName]['name'];
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}
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function getID(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (this._ignoreCase){
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idOrName = idOrName.toLowerCase();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid ' + this._typeDesc + ' ' + idOrName, 1);
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}
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return _types[idOrName]['id'];
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}
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function getTypes(){
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return Scholar.DB.query('SELECT ' + this._idCol + ' AS id, '
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+ this._nameCol + ' AS name FROM ' + this._table + ' order BY ' + this._nameCol);
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}
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function _load(){
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var types = self.getTypes();
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for (i in types){
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// Store as both id and name for access by either
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var typeData = {
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id: types[i]['id'],
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name: this._ignoreCase ? types[i]['name'].toLowerCase() : types[i]['name']
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}
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_types[types[i]['id']] = typeData;
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_types[types[i]['name']] = _types[types[i]['id']];
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}
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_typesLoaded = true;
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}
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}
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Scholar.CreatorTypes = new function(){
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var _types = new Array();
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var _typesLoaded;
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var self = this;
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Scholar.CachedTypes.apply(this, arguments);
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this.constructor.prototype = new Scholar.CachedTypes();
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this.getName = getName;
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this.getID = getID;
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this.getTypes = getTypes;
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function getName(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid creator type ' + idOrName, 1);
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}
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return _types[idOrName]['name'];
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}
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function getID(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid creator type ' + idOrName, 1);
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}
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return _types[idOrName]['id'];
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}
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function getTypes(){
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return Scholar.DB.query('SELECT creatorTypeID AS id, '
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+ 'creatorType AS name FROM creatorTypes order BY creatorType');
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}
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function _load(){
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var types = self.getTypes();
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for (i in types){
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// Store as both id and name for access by either
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var typeData = {
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id: types[i]['id'],
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name: types[i]['name']
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}
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_types[types[i]['id']] = typeData;
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_types[types[i]['name']] = _types[types[i]['id']];
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}
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_typesLoaded = true;
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}
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this._typeDesc = 'creator type';
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this._idCol = 'creatorTypeID';
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this._nameCol = 'creatorType';
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this._table = 'creatorTypes';
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this._ignoreCase = true;
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}
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/*
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* Same structure as Scholar.CreatorTypes and FileTypes --
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* make changes in both places if possible
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*/
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Scholar.ItemTypes = new function(){
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var _types = new Array();
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var _typesLoaded;
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var self = this;
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Scholar.CachedTypes.apply(this, arguments);
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this.constructor.prototype = new Scholar.CachedTypes();
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this.getName = getName;
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this.getID = getID;
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this.getTypes = getTypes;
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function getName(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid item type ' + idOrName, 1);
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}
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return _types[idOrName]['name'];
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}
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function getID(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid item type ' + idOrName, 1);
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}
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return _types[idOrName]['id'];
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}
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function getTypes(){
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return Scholar.DB.query('SELECT itemTypeID AS id, typeName AS name '
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+ 'FROM itemTypes order BY typeName');
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}
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function _load(){
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var types = self.getTypes();
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for (i in types){
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// Store as both id and name for access by either
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var typeData = {
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id: types[i]['id'],
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name: types[i]['name']
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}
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_types[types[i]['id']] = typeData;
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_types[types[i]['name']] = _types[types[i]['id']];
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}
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_typesLoaded = true;
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}
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this._typeDesc = 'item type';
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this._idCol = 'itemTypeID';
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this._nameCol = 'typeName';
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this._table = 'itemTypes';
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this._ignoreCase = true;
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}
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/*
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* Same structure as Scholar.ItemTypes and CreatorTypes --
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* make changes in both places if possible
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*/
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Scholar.FileTypes = new function(){
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var _types = new Array();
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var _typesLoaded;
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var self = this;
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Scholar.CachedTypes.apply(this, arguments);
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this.constructor.prototype = new Scholar.CachedTypes();
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this._typeDesc = 'file type';
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this._idCol = 'fileTypeID';
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this._nameCol = 'fileType';
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this._table = 'fileTypes';
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this._ignoreCase = true;
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this.getName = getName;
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this.getID = getID;
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this.getIDFromMIMEType = getIDFromMIMEType;
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this.getTypes = getTypes;
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function getName(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid file type ' + idOrName, 1);
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}
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return _types[idOrName]['name'];
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}
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function getID(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid file type ' + idOrName, 1);
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}
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return _types[idOrName]['id'];
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}
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function getIDFromMIMEType(mimeType){
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// TODO
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}
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function getTypes(){
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return Scholar.DB.query('SELECT fileTypeID AS id, '
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+ 'fileType AS name FROM fileTypes order BY fileType');
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}
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function _load(){
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var types = self.getTypes();
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for (i in types){
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// Store as both id and name for access by either
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var typeData = {
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id: types[i]['id'],
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name: types[i]['name']
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}
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_types[types[i]['id']] = typeData;
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_types[types[i]['name']] = _types[types[i]['id']];
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}
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_typesLoaded = true;
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}
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}
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/*
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* Same structure as Scholar.ItemTypes, CreatorTypes, etc. --
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* make changes in all versions if possible
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*/
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Scholar.CharacterSets = new function(){
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var _types = new Array();
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var _typesLoaded;
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var self = this;
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Scholar.CachedTypes.apply(this, arguments);
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this.constructor.prototype = new Scholar.CachedTypes();
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var _typeDesc = 'character set';
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var _idCol = 'charsetID';
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var _nameCol = 'charset';
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var _table = 'charsets';
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var _ignoreCase = true;
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this._typeDesc = 'character sets';
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this._idCol = 'charsetID';
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this._nameCol = 'charset';
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this._table = 'charsets';
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this._ignoreCase = true;
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this.getName = getName;
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this.getID = getID;
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this.getTypes = getTypes;
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this.getAll = getAll;
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function getName(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (_ignoreCase){
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idOrName = idOrName.toLowerCase();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid ' + _typeDesc + ' ' + idOrName, 1);
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}
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return _types[idOrName]['name'];
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}
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function getID(idOrName){
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if (!_typesLoaded){
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_load();
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}
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if (_ignoreCase){
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idOrName = idOrName.toLowerCase();
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}
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if (!_types[idOrName]){
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Scholar.debug('Invalid ' + _typeDesc + ' ' + idOrName, 1);
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}
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return _types[idOrName]['id'];
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}
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function getTypes(){
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return Scholar.DB.query('SELECT ' + _idCol + ' AS id, '
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+ _nameCol + ' AS name FROM ' + _table + ' order BY ' + _nameCol);
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}
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function getAll(){
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return this.getTypes();
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}
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function _load(){
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var types = self.getTypes();
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for (i in types){
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// Store as both id and name for access by either
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var typeData = {
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id: types[i]['id'],
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name: _ignoreCase ? types[i]['name'].toLowerCase() : types[i]['name']
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}
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_types[types[i]['id']] = typeData;
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_types[types[i]['name']] = _types[types[i]['id']];
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}
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_typesLoaded = true;
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}
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}
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Scholar.ItemFields = new function(){
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// Private members
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var _fields = new Array();
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