Backup

forms/ecomerce/catalog/catalog.js

@@ -36,16 +36,22 @@ Hedera.Catalog = new Class
 	
 	,activate: function ()
 	{
+		this.$('items').setInfo ('a', 'Articles', 'vn2008', ['item_id']);
+		this.$('lot').assign ({filter: this.$('filter')});
+		this.$('lot').setProperties ({
+			type: Vn.LotQuery.Type.EXCLUDE,
+			fields: []
+		});
+	
 		document.body.appendChild (this.$('right-panel'));
 	
-		this.$('items').setInfo ('a', 'Articles', 'vn2008', ['item_id']);
-		
 		if (localStorage.getItem ('hederaView'))
 			this.setView (parseInt (localStorage.getItem ('hederaView')));
 		else
 			this.setView (View.GRID);
 
-		this.hash.on ('change', this.onHashChange, this);
+		this.onRealmChange ();
+		this.refreshTitle ();
 	}
 	
 	,deactivate: function ()
@@ -53,7 +59,6 @@ Hedera.Catalog = new Class
 		this.hideMenu ();
 		this.gui.$('top-bar').style.backgroundColor = '';
 		Vn.Node.remove (this.$('right-panel'));
-		this.hash.disconnect ('change', this.onHashChange, this);
 	}
 	
 	,setView: function (view)
@@ -96,14 +101,6 @@ Hedera.Catalog = new Class
 			Vn.Node.setText (this.$('method'), _('Warehouse'));
 	}
 	
-	,onItemsChange: function (model, status)
-	{
-		if (status !== Db.Model.Status.CLEAN)
-			this.$('order').style.display = 'block';
-		else
-			this.$('order').style.display = 'none';
-	}
-	
 	,onOrderChange: function (e)
 	{
 		var value = e.target.value;	
@@ -119,7 +116,7 @@ Hedera.Catalog = new Class
 	
 	,shouldRefresh: function ()
 	{
-		var params = this.hash.params;
+		var params = this.$('lot').params;
 
 		if (params.search)
 			return true;
@@ -135,13 +132,19 @@ Hedera.Catalog = new Class
 		return refresh;
 	}
 
-	,onHashChange: function ()
+	,onLotChange: function ()
 	{
-		if (!this.shouldRefresh ())
+		if (this.shouldRefresh ())
-			return;
+		{
-	
+			this.$('items').refresh ();
-		this.$('items').refresh ();
+			this.hideMenu ();
-		this.hideMenu ();
+			this.$('order').style.display = 'block';
+		}
+		else
+		{
+			this.$('items').clean ();
+			this.$('order').style.display = 'none';
+		}
 	}
 	
 	,realmRenderer: function (builder, form)
@@ -158,8 +161,10 @@ Hedera.Catalog = new Class
 		img.alt = img.title;
 	}
 	
-	,onRealmChange: function (param, newValue)
+	,onRealmChange: function ()
 	{
+		var newValue = this.hash.get ('realm');
+
 		if (newValue)
 		{
 			this.$('filters').style.display = 'block';
@@ -170,26 +175,14 @@ Hedera.Catalog = new Class
 			this.$('filters').style.display = 'none';
 			this.$('realm-msg').style.display = 'block';
 		}
-	
-		this.refreshTitleColor ();
-		this.refreshFilter (newValue, undefined);
-	}
 
-	,onTypeChange: function (param, newValue)
+		this.refreshTitleColor ();
-	{
-		this.refreshTitle ();
-		this.refreshFilter (undefined, newValue);
-	}
-	
-	,refreshFilter: function (realm, type)
-	{
 		this.hash.params = {
 			form: this.hash.get ('form'),
-			realm: realm,
+			realm: newValue,
-			type: type
 		};
 	}
-	
+
 	,refreshTitleColor: function ()
 	{
 		var realms = this.$('realms');
@@ -373,7 +366,7 @@ Vn.Filter = new Class
 			{
 				this._model = x;
 				this._select.model = x;
-				this._refreshLot ();
+				this._refreshModelLot ();
 			}
 			,get: function ()
 			{
@@ -400,7 +393,7 @@ Vn.Filter = new Class
 			{
 				this._filter = x;
 				this._modelLot.assign ({filter: x});
-				this._refreshLot ();
+				this._refreshModelLot ();
 			}
 			,get: function ()
 			{
@@ -426,7 +419,7 @@ Vn.Filter = new Class
 			,set: function (x)
 			{
 				this._modelLot.fields = [x];
-				this._onLotChange ();
+				this._setName (x);
 			}
 			,get: function ()
 			{
@@ -458,15 +451,10 @@ Vn.Filter = new Class
 		this.parent (props);
 	}
 
-	,_refreshLot: function ()
+	,_refreshModelLot: function ()
 	{
-		if (!this._model)
+		if (this._model && this._filter)
-			return;
-
-		if (this._filter)
 			this._model.lot = this._modelLot;
-		else
-			this._model.lot = null;
 	}
 	
 	,_onMouseDown: function ()
@@ -475,10 +463,10 @@ Vn.Filter = new Class
 			this._model.refresh ();
 	}
 	
-	,_onCloseClick: function ()
+	,_onUnselectClick: function ()
 	{
 		this._removeSelectionNode ();
-		this._changeValue (undefined);
+		this.valueChanged (undefined);
 	}
 	
 	,_removeSelectionNode: function ()
@@ -496,8 +484,10 @@ Vn.Filter = new Class
 		if (this._select.value === null
 		|| this._select.value === undefined)
 			return;
-			
+		
-		this._realSetValue (this._select.value);
+		var value = this._select.value;
+		this._selectValue (value);
+		this.valueChanged (value);
 	}
 	
 	,_onReady: function ()
@@ -506,11 +496,6 @@ Vn.Filter = new Class
 			this._refreshLabel ();
 	}
 	
-	,_changeValue: function (newValue)
-	{
-		this.value = newValue;
-	}
-	
 	,_onTimeout: function ()
 	{
 		this._select.value = null;
@@ -518,11 +503,10 @@ Vn.Filter = new Class
 	
 	,putValue: function (value)
 	{
-		this._onMouseDown ();
+		this._selectValue (value);
-		this._realSetValue (value);
 	}
 		
-	,_realSetValue: function (value)
+	,_selectValue: function (value)
 	{
 		this._removeSelectionNode ();
 
@@ -534,7 +518,7 @@ Vn.Filter = new Class
 			
 		var button = this.createElement ('button');
 		button.addEventListener ('click',
-			this._onCloseClick.bind (this, li));
+			this._onUnselectClick.bind (this, li));
 		li.appendChild (button);
 		
 		var icon = new Htk.Icon ({
@@ -548,7 +532,6 @@ Vn.Filter = new Class
 		
 		setTimeout (this._onTimeout.bind (this));
 
-		this._changeValue (value);
 		this._refreshLabel ();
 	}
 	
@@ -559,7 +542,7 @@ Vn.Filter = new Class
 	
 		var row = -1;
 
-		if (this._model.ready)
+		if (this._model && this._model.ready)
 			row = this._model.searchByIndex (this._valueColumnIndex, this._value);
 
 		if (row != -1)

forms/ecomerce/catalog/ui.xml

@@ -1,12 +1,13 @@
 <vn>
 <vn-group>
+	<vn-lot-query
+		id="lot"
+		source="hash"
+		on-change="onLotChange"/>
 	<vn-lot id="card-lot"/>
 	<vn-param lot="hash" name="realm" on-changed="onRealmChange"/>
-	<vn-param lot="hash" name="type" on-changed="onTypeChange"/>
+	<vn-param lot="hash" name="type" on-changed="refreshTitle"/>
 	<sql-filter type="AND" id="filter">
-		<sql-filter-item type="EQUAL"
-			field="reino_id" target="t"
-			param="realm"/>
 		<sql-filter-item type="EQUAL"
 			field="tipo_id" target="a"
 			param="type"/>
@@ -34,9 +35,8 @@
 	<db-model
 		id="items"
 		result-index="2"
-		lot="hash"
+		lot="lot"
-		auto-load="false"
+		auto-load="false">
-		on-status-changed="onItemsChange">
 		CREATE TEMPORARY TABLE tmp.bionic_calc
 			(INDEX (item_id))
 			ENGINE = MEMORY

js/db/calc.js

@@ -1,6 +1,6 @@
 
 var Model = require ('./model');
-var SimpleIterator = require ('./simple-iterator');
+var Iterator = require ('./iterator');
 
 /**
  * Interface for handle foreach operations on the model.
@@ -25,7 +25,7 @@ module.exports = new Class
 					,'row-inserted': this.onRowInsert
 				});
 
-				var set = new SimpleIterator ({model: x});
+				var set = new Iterator ({model: x});
 				this.link ({_set: set});
 			}
 			,get: function ()

js/db/connection.js

@@ -42,8 +42,8 @@ Connection.implement
 	/**
 	 * Runs a SQL query on the database.
 	 *
-	 * @param {String} sql The SQL statement
+	 * @param {string} sql The SQL statement
-	 * @param {Function} callback The function to call when operation is done
+	 * @param {function} callback The function to call when operation is done
 	 */
 	,execSql: function (sql, callback)
 	{
@@ -55,7 +55,7 @@ Connection.implement
 	 * Runs a stmt on the database.
 	 *
 	 * @param {Sql.Stmt} stmt The statement
-	 * @param {Function} callback The function to call when operation is done
+	 * @param {function} callback The function to call when operation is done
 	 * @param {Object} params The statement parameters
 	 */
 	,execStmt: function (stmt, callback, params)
@@ -66,8 +66,8 @@ Connection.implement
 	/**
 	 * Runs a query on the database.
 	 *
-	 * @param {String} query The SQL statement
+	 * @param {string} query The SQL statement
-	 * @param {Function} callback The function to call when operation is done
+	 * @param {function} callback The function to call when operation is done
 	 * @param {Object} params The statement parameters
 	 */
 	,execQuery: function (query, callback, params)
@@ -78,9 +78,9 @@ Connection.implement
 	/**
 	 * Renders a query.
 	 *
-	 * @param {String} query The SQL statement
+	 * @param {string} query The SQL statement
 	 * @param {Object} params The statement parameters
-	 * @return {String} The rendered statement
+	 * @return {string} The rendered statement
 	 */
 	,renderQuery: function (query, params)
 	{

js/db/db.js

@@ -6,8 +6,8 @@ Db = module.exports = {
 	,Result         : require ('./result')
 	,ResultSet      : require ('./result-set')
 	,Model          : require ('./model')
+	,IteratorIface  : require ('./iterator-iface')
 	,Iterator       : require ('./iterator')
-	,SimpleIterator : require ('./simple-iterator')
 	,Form           : require ('./form')
 	,Query          : require ('./query')
 	,Calc           : require ('./calc')

js/db/form.js

@@ -57,10 +57,8 @@ module.exports = new Class
 			type: Number
 			,get: function ()
 			{
-				if (this._model)
+				return this._model ?
-					return this._model.numRows;
+					this._model.numRows : 0;
-
-				return 0;
 			}
 		},
 		/**
@@ -71,7 +69,8 @@ module.exports = new Class
 			type: Boolean
 			,get: function ()
 			{
-				return this._ready;
+				return this._model ?
+					this._model.ready : false;
 			}
 		},
 		/**
@@ -124,4 +123,3 @@ module.exports = new Class
 			this.changed ();
 	}
 });
-

js/db/iterator-iface.js

@@ -0,0 +1,145 @@
+
+var Model = require ('./model');
+
+module.exports = new Class
+({
+	Implements: Vn.LotIface
+	,Properties:
+	{
+		/**
+		 * The model associated to this form.
+		 */
+		model:
+		{
+			type: Model
+		},
+		/**
+		 * The row where the form positioned, has -1 if the row is unselected.
+		 */
+		row:
+		{ 
+			type: Number
+		},
+		/**
+		 * The number of rows in the form.
+		 */
+		numRows:
+		{
+			type: Number
+		},
+		/**
+		 * The current row parameters.
+		 */
+		params:
+		{
+			type: Object
+		},
+		/**
+		 * Checks if the form data is ready.
+		 */
+		ready:
+		{
+			type: Boolean
+		}
+	}
+
+	,_model: null
+	,_row: -1
+	
+	,refresh: function ()
+	{
+		if (this._model)
+			this._model.refresh ();
+	}
+	
+	/**
+	 * Get the index of the column from its name.
+	 *
+	 * @param {string} columnName The column name
+	 * @return {integer} The column index or -1 if column not exists
+	 */
+	,getColumnIndex: function (columnName)
+	{
+		return this._model ?
+			this._model.getColumnIndex (columnName) : -1;
+	}
+	
+	,insertRow: function ()
+	{
+		if (this._model)
+			this.row = this._model.insertRow ();
+	}
+	
+	,performOperations: function ()
+	{
+		if (this._model)
+			this._model.performOperations ();
+	}
+
+	/**
+	 * Removes the current row.
+	 */
+	,deleteRow: function ()
+	{
+		if (this._row >= 0)
+			this._model.deleteRow (this._row);
+	}
+	
+	/**
+	 * Gets a value from the form.
+	 *
+	 * @param {string} columnName The column name
+	 * @return {Object} The value
+	 */
+	,get: function (columnName)
+	{
+		return this._model ?
+			this._model.get (this._row, columnName) : undefined;
+	}
+
+	/**
+	 * Sets a value on the form.
+	 *
+	 * @param {string} columnName The column name
+	 * @param {Object} value The new value
+	 */
+	,set: function (columnName, value)
+	{
+		this._model.set (this._row, columnName, value);
+	}
+
+	/**
+	 * Gets a value from the form using the column index.
+	 *
+	 * @param {string} columnName The column index
+	 * @return {Object} The value
+	 */
+	,getByIndex: function (column)
+	{
+		return this._model.getByIndex (this._row, column);
+	}
+
+	/**
+	 * Sets a value on the form using the column index.
+	 *
+	 * @param {string} columnName The column index
+	 * @param {Object} value The new value
+	 */
+	,setByIndex: function (column, value)
+	{
+		return this._model.setByIndex (this._row, column, value);
+	}
+
+	,keys: function ()
+	{
+		return this._model ?
+			this.model.keys () : null;
+	}
+	
+	,getParams: function ()
+	{
+		return this._model ?
+			this.model.getObject (this._row) : null;
+	}
+});
+

js/db/iterator.js

@@ -1,24 +1,45 @@
 
+var IteratorIface = require ('./iterator-iface');
 var Model = require ('./model');
 
+/**
+ * A light iterator for models.
+ */
 module.exports = new Class
 ({
-	Implements: Vn.LotIface
+	Extends: Vn.Object
+	,Implements: IteratorIface
 	,Properties:
 	{
 		/**
 		 * The model associated to this form.
 		 */
 		model:
-		{ 
+		{
 			type: Model
+			,set: function (x)
+			{
+				this._model = x;
+			}
+			,get: function ()
+			{
+				return this._model;
+			}
 		},
 		/**
 		 * The row where the form positioned, has -1 if the row is unselected.
 		 */
 		row:
-		{ 
+		{
 			type: Number
+			,set: function (x)
+			{
+				this._row = x;
+			}
+			,get: function ()
+			{
+				return this._row;
+			}
 		},
 		/**
 		 * The number of rows in the form.
@@ -26,6 +47,23 @@ module.exports = new Class
 		numRows:
 		{
 			type: Number
+			,get: function ()
+			{
+				return this._model ?
+					this._model.numRows : 0;
+			}
+		},
+		/**
+		 * Checks if the form data is ready.
+		 */
+		ready:
+		{
+			type: Boolean
+			,get: function ()
+			{
+				return this._model ?
+					this._model.ready : false;
+			}
 		},
 		/**
 		 * The current row parameters.
@@ -39,138 +77,8 @@ module.exports = new Class
 			}
 			,get: function ()
 			{
-				var params = {};
+				return this.getParams ();
-				var keys = this.keys ();
-
-				for (var i = 0; i < keys.length; i++)
-				{
-					var key = keys[i];
-					params[key] = this.get (key);
-				}
-
-				return params;
 			}
-		},
-		/**
-		 * Checks if the form data is ready.
-		 */
-		ready:
-		{
-			type: Boolean
 		}
 	}
-
-	,_model: null
-	,_row: -1
-	
-	,refresh: function ()
-	{
-		if (this._model)
-			this._model.refresh ();
-	}
-	
-	/**
-	 * Get the index of the column from its name.
-	 *
-	 * @param {String} columnName The column name
-	 * @return {integer} The column index or -1 if column not exists
-	 */
-	,getColumnIndex: function (columnName)
-	{
-		if (this._model)
-			return this._model.getColumnIndex (columnName);
-			
-		return -1;
-	}
-	
-	,insertRow: function ()
-	{
-		if (this._model)
-			this.row = this._model.insertRow ();
-	}
-	
-	,performOperations: function ()
-	{
-		if (this._model)
-			this._model.performOperations ();
-	}
-
-	/**
-	 * Removes the current row.
-	 */
-	,deleteRow: function ()
-	{
-		if (this._row >= 0)
-			this._model.deleteRow (this._row);
-	}
-	
-	/**
-	 * Gets a value from the form.
-	 *
-	 * @param {String} columnName The column name
-	 * @return {Object} The value
-	 */
-	,get: function (columnName)
-	{
-		if (this._model)
-			return this._model.get (this._row, columnName);
-
-		return undefined;
-	}
-
-	/**
-	 * Sets a value on the form.
-	 *
-	 * @param {String} columnName The column name
-	 * @param {Object} value The new value
-	 */
-	,set: function (columnName, value)
-	{
-		return this._model.set (this._row, columnName, value);
-	}
-
-	/**
-	 * Gets a value from the form using the column index.
-	 *
-	 * @param {String} columnName The column index
-	 * @return {Object} The value
-	 */
-	,getByIndex: function (column)
-	{
-		return this._model.getByIndex (this._row, column);
-	}
-
-	/**
-	 * Sets a value on the form using the column index.
-	 *
-	 * @param {String} columnName The column index
-	 * @param {Object} value The new value
-	 */
-	,setByIndex: function (column, value)
-	{
-		return this._model.setByIndex (this._row, column, value);
-	}
-
-	,keys: function ()
-	{
-		if (this._model && this._model.ready)
-			return Object.keys (this._model.columnMap);
-
-		return [];
-	}
-	
-	,getParams: function ()
-	{
-		var params = {};
-		var keys = this.keys ();
-
-		for (var i = 0; i < keys.length; i++)
-		{
-			var key = keys[i];
-			params[key] = this.get (key);
-		}
-
-		return params;
-	}
 });
-

js/db/model.js

@@ -326,7 +326,8 @@ Klass.implement
 		{
 			this._lastParams = params;
 			this._setStatus (Status.LOADING);
-			this._conn.execStmt (this._stmt, this._selectDone.bind (this), params);
+			this._conn.execStmt (this._stmt, this._selectDone.bind (this),
+				this._lot ? this._lot.params : null);
 		}
 		else
 			this.clean ();
@@ -442,8 +443,8 @@ Klass.implement
 	/**
 	 * Sets the default value for inserted fields.
 	 *
-	 * @param {String} field The destination field name
+	 * @param {string} field The destination field name
-	 * @param {String} table The destination table name
+	 * @param {string} table The destination table name
 	 * @param {Sql.Expr} srcColumn The default value expression
 	 */
 	,setDefault: function (field, table, expr)
@@ -459,8 +460,8 @@ Klass.implement
 	/**
 	 * Sets the default value for inserted fields.
 	 *
-	 * @param {String} field The destination field name
+	 * @param {string} field The destination field name
-	 * @param {String} table The destination table name
+	 * @param {string} table The destination table name
 	 * @param {*} value The default value
 	 */
 	,setDefaultFromValue: function (field, table, value)
@@ -477,9 +478,9 @@ Klass.implement
 	 * Sets the default value for inserted fields from another column in the
 	 * model.
 	 *
-	 * @param {String} field The destination field name
+	 * @param {string} field The destination field name
-	 * @param {String} table The destination table name
+	 * @param {string} table The destination table name
-	 * @param {String} srcColumn The source column
+	 * @param {string} srcColumn The source column
 	 */
 	,setDefaultFromColumn: function (field, table, srcColumn)
 	{
@@ -495,7 +496,7 @@ Klass.implement
 	 * Checks if the column exists.
 	 *
 	 * @param {integer} column The column index
-	 * @return {Boolean} %true if column exists, %false otherwise
+	 * @return {boolean} %true if column exists, %false otherwise
 	 */
 	,checkColExists: function (column)
 	{
@@ -508,7 +509,7 @@ Klass.implement
 	 * Checks if the row exists.
 	 *
 	 * @param {integer} rowIndex The row index
-	 * @return {Boolean} %true if row exists, %false otherwise
+	 * @return {boolean} %true if row exists, %false otherwise
 	 */
 	,checkRowExists: function (rowIndex)
 	{
@@ -550,7 +551,7 @@ Klass.implement
 	 * Gets a value from the model.
 	 *
 	 * @param {number} rowIndex The row index
-	 * @param {String} columnName The column name
+	 * @param {string} columnName The column name
 	 * @return {*} The value
 	 */
 	,get: function (rowIndex, columnName)
@@ -567,7 +568,7 @@ Klass.implement
 	 * Updates a value on the model.
 	 *
 	 * @param {number} rowIndex The row index
-	 * @param {String} columnName The column name
+	 * @param {string} columnName The column name
 	 * @param {*} value The new value
 	 */
 	,set: function (rowIndex, columnName, value)
@@ -596,17 +597,26 @@ Klass.implement
 	}
 
 	/**
-	 * Gets a row as an object  using the column index.
+	 * Gets a row as an object using the column index.
 	 *
 	 * @param {number} rowIndex The row index
 	 * @return {Object} The row as an object
 	 */
 	,getObject: function (rowIndex)
 	{
-		if (!this.checkRowExists (rowIndex))
+		return this.checkRowExists (rowIndex) ?
-			return null;
+			this.result.getObject (rowIndex) : null;
+	}
 
-		return this.result.getObject (rowIndex);
+	/**
+	 * Returns an array with model column names.
+	 * 
+	 * @return {Array} The column names
+	 */
+	,keys: function ()
+	{
+		return this.ready ?
+			Object.keys (this._model.columnMap) : null;
 	}
 
 	/**
@@ -1098,7 +1108,7 @@ Klass.implement
 	 *
 	 * FIXME: Not fully implemented.
 	 *
-	 * @param {String} column The column name
+	 * @param {string} column The column name
 	 */
 	,indexColumn: function (column)
 	{
@@ -1140,7 +1150,7 @@ Klass.implement
 	 * If an index have been built on that column, it will be used, for more
 	 * information see the indexColumn() method.
 	 *
-	 * @param {String} column The column name
+	 * @param {string} column The column name
 	 * @param {Object} value The value to search
 	 * @return {integer} The column index
 	 */
@@ -1296,11 +1306,11 @@ Klass.implement
 	 *  - https://bugs.mysql.com/bug.php?id=44660
 	 *  - https://bugs.mysql.com/bug.php?id=26894
 	 *
-	 * @param {String} table The table alias
+	 * @param {string} table The table alias
-	 * @param {String} orgtable The original table name
+	 * @param {string} orgtable The original table name
-	 * @param {String} schema The original table schema
+	 * @param {string} schema The original table schema
 	 * @param {Array} pks Array with the names of primary keys
-	 * @param {String} ai The autoincrement column name
+	 * @param {string} ai The autoincrement column name
 	 */
 	,setInfo: function (table, orgname, schema, pks, ai)
 	{

js/db/result.js

@@ -29,7 +29,7 @@ module.exports = new Class
 	/**
 	 * Gets a value from de result.
 	 *
-	 * @param {String} columnName The column name
+	 * @param {string} columnName The column name
 	 * @return {Object} The cell value
 	 */
 	,get: function (columnName)
@@ -48,17 +48,18 @@ module.exports = new Class
 		if (!this.next ())
 			return null;
 
-		return this.getObject ();
+		return this.getObject (this.row);
 	}
 
 	/**
 	 * Returns the current row as an object.
 	 *
+	 * @param {number} rowIndex The row index
 	 * @return {Object} The row or %null if there are no more rows
 	 */
-	,getObject: function ()
+	,getObject: function (rowIndex)
 	{
-		var row = this.data[this.row];
+		var row = this.data[rowIndex];
 		var cols = this.columns;
 		var object = {};
 

js/db/simple-iterator.js

@@ -1,89 +0,0 @@
-
-var Iterator = require ('./iterator');
-var Model = require ('./model');
-
-/**
- * A light iterator for models.
- */
-module.exports = new Class
-({
-	Extends: Vn.Object
-	,Implements: Iterator
-	,Properties:
-	{
-		/**
-		 * The model associated to this form.
-		 */
-		model:
-		{
-			type: Model
-			,set: function (x)
-			{
-				this._model = x;
-			}
-			,get: function ()
-			{
-				return this._model;
-			}
-		},
-		/**
-		 * The row where the form positioned, has -1 if the row is unselected.
-		 */
-		row:
-		{
-			type: Number
-			,set: function (x)
-			{
-				this._row = x;
-			}
-			,get: function ()
-			{
-				return this._row;
-			}
-		},
-		/**
-		 * The number of rows in the form.
-		 */
-		numRows:
-		{
-			type: Number
-			,get: function ()
-			{
-				if (this._model)
-					return this._model.numRows;
-
-				return 0;
-			}
-		},
-		/**
-		 * Checks if the form data is ready.
-		 */
-		ready:
-		{
-			type: Boolean
-			,get: function ()
-			{
-				if (this._model)
-					return this._model.ready;
-					
-				return false;
-			}
-		},
-		/**
-		 * The current row parameters.
-		 */
-		params:
-		{
-			type: Object
-			,set: function (x)
-			{
-				this.assign (x);
-			}
-			,get: function ()
-			{
-				return this.getParams ();
-			}
-		}
-	}
-});
-

js/hedera/gui.js

@@ -227,7 +227,7 @@ module.exports = new Class
 		for (var i = 0; i < sections.length; i++)
 		{
 			res.row = sections[i];
-			var row = res.getObject ();
+			var row = res.getObject (res.row);
 		
 			var li = this.createElement ('li');
 			ul.appendChild (li);

js/htk/field.js

@@ -64,8 +64,7 @@ module.exports = new Class
 			type: String
 			,set: function (x)
 			{
-				this._name = x;
+				this._setName (x);
-				this._onLotChange ();
 			}
 			,get: function ()
 			{
@@ -133,7 +132,7 @@ module.exports = new Class
 	 * Virtual method that must be implemented by class childs to set the entry
 	 * editable.
 	 *
-	 * @param {Boolean} editable Whether the user is allowed to edit the entry
+	 * @param {boolean} editable Whether the user is allowed to edit the entry
 	 */
 	,setEditable: function () {}
 

js/htk/grid.js

@@ -25,7 +25,7 @@ module.exports = new Class
 					,'updatable-changed': this.onUpdatableChange
 				});
 
-				var set = new Db.SimpleIterator ({model: x});
+				var set = new Db.Iterator ({model: x});
 				this.link ({_set: set});
 				
 				this.onUpdatableChange ();

js/htk/popup.js

@@ -88,7 +88,7 @@ module.exports = new Class
 	 * Shows the popup relative to another element.
 	 *
 	 * @param {Node} parent The relative element
-	 * @param {Boolean} fitParent Wether to set the width same to the parent
+	 * @param {boolean} fitParent Wether to set the width same to the parent
 	 * @param {HTMLEvent} ignoreEvent An optional event object to ignore
 	 */
 	,show: function (parent, fitParent, ignoreEvent)
@@ -102,7 +102,7 @@ module.exports = new Class
 	 * Opens the popup.
 	 *
 	 * @param {Node} parent The relative element
-	 * @param {Boolean} fitParent Wether to set the width same to the parent
+	 * @param {boolean} fitParent Wether to set the width same to the parent
 	 */
 	,open: function (ignoreEvent)
 	{
@@ -148,7 +148,7 @@ module.exports = new Class
 	 * Returns if the popup window shoud be modal based on the modal property
 	 * and if the device is mobile.
 	 *
-	 * @return {Boolean} %true if it's modal, %false otherwise
+	 * @return {boolean} %true if it's modal, %false otherwise
 	 */
 	,isModal: function ()
 	{

js/htk/repeater.js

@@ -112,7 +112,7 @@ module.exports = new Class
 	
 	,_buildBox: function (index)
 	{
-		var set = new Db.SimpleIterator ({
+		var set = new Db.Iterator ({
 			model: this._model,
 			row: index
 		});
@@ -172,7 +172,7 @@ module.exports = new Class
 		this.emit ('change');
 	}
 
-	,_showNoRecordsFound: function (count)
+	,_showNoRecordsFound: function ()
 	{
 		if (this._model.numRows === 0)
 			this._showMessage (_('EmptyList'), 'clean');

js/htk/toast.js

@@ -12,7 +12,7 @@ module.exports =
 	/**
 	 * Shows a normal toast message.
 	 *
-	 * @param {String} message The message text
+	 * @param {string} message The message text
 	 */
 	,showMessage: function (message)
 	{
@@ -22,7 +22,7 @@ module.exports =
 	/**
 	 * Shows a warning toast message.
 	 *
-	 * @param {String} message The message text
+	 * @param {string} message The message text
 	 */
 	,showWarning: function (message)
 	{
@@ -32,7 +32,7 @@ module.exports =
 	/**
 	 * Shows an error toast message.
 	 *
-	 * @param {String} message The message text
+	 * @param {string} message The message text
 	 */
 	,showError: function (message)
 	{

js/sql/object.js

@@ -9,7 +9,7 @@ module.exports = new Class
 	 * Renders the object as an SQL string.
 	 *
 	 * @param {Object} params The params used to render the object
-	 * @return {String} The SQL string
+	 * @return {string} The SQL string
 	 */
 	,render: function () {}
 

js/sql/search-tags.js

@@ -1,22 +0,0 @@
-
-var Value = require ('./value');
-
-/**
- * The equivalent of a SQL value.
- */
-module.exports = new Class
-({
-	Extends: Value
-	,Tag: 'sql-search-tags'
-
-	,render: function ()
-	{
-		if (typeof this._value == 'string')
-		{
-			var value = this._value.replace (/^|\s+|$/g, '%');
-			return "'" + value.replace (this.regexp, this.replaceFunc) + "'";
-		}
-		else
-			return this.parent ();
-	}
-});

js/sql/sql.js

@@ -22,6 +22,5 @@ Sql = module.exports = {
 	,MultiStmt  : require ('./multi-stmt')
 	,Filter     : require ('./filter')
 	,FilterItem : require ('./filter-item')
-	,SearchTags : require ('./search-tags')
 };
 

js/vn/hash.js

@@ -110,7 +110,7 @@ module.exports = new Class
 	 *
 	 * @param {Object} object A key-value object
 	 * @param {boolean} add %true to combine with the current params, %false otherwise
-	 * @return {String} The URL
+	 * @return {string} The URL
 	 */
 	,make: function (object, add)
 	{

js/vn/json-connection.js

@@ -44,10 +44,10 @@ module.exports = new Class
 	/**
 	 * Opens the connection to the REST service.
 	 *
-	 * @param {String} user The user name
+	 * @param {string} user The user name
-	 * @param {String} password The user password
+	 * @param {string} password The user password
-	 * @param {Boolean} remember Specifies if the user should be remembered
+	 * @param {boolean} remember Specifies if the user should be remembered
-	 * @param {Function} openCallback The function to call when operation is done
+	 * @param {function} openCallback The function to call when operation is done
 	 */
 	,open: function (user, pass, remember, callback)
 	{
@@ -91,7 +91,7 @@ module.exports = new Class
 	/**
 	 * Closes the connection to the REST service.
 	 *
-	 * @param {Function} callback The function to call when operation is done
+	 * @param {function} callback The function to call when operation is done
 	 */
 	,close: function (callback)
 	{
@@ -120,8 +120,8 @@ module.exports = new Class
 	/**
 	 * Suppants another user.
 	 *
-	 * @param {String} user The user name
+	 * @param {string} user The user name
-	 * @param {Function} callback The callback function
+	 * @param {function} callback The callback function
 	 */
 	,supplantUser: function (user, callback)
 	{
@@ -151,9 +151,9 @@ module.exports = new Class
 	 * Executes the specified REST service with the given params and calls
 	 * the callback when response is received.
 	 *
-	 * @param {String} restService The service path
+	 * @param {string} restService The service path
 	 * @param {Map} params The params to pass to the service
-	 * @param {Function} callback The response callback
+	 * @param {function} callback The response callback
 	 */
 	,send: function (restService, params, callback)
 	{

js/vn/lot-iface.js

@@ -19,7 +19,7 @@ module.exports = new Class
 	/**
 	 * Gets a value from the set.
 	 *
-	 * @param {String} field The field name
+	 * @param {string} field The field name
 	 * @return {*} The field value
 	 */
 	,get: function () {}
@@ -27,7 +27,7 @@ module.exports = new Class
 	/**
 	 * Sets a value on the set.
 	 *
-	 * @param {String} field The field name
+	 * @param {string} field The field name
 	 * @param {*} value The new field value
 	 */
 	,set: function () {}
@@ -41,10 +41,12 @@ module.exports = new Class
 
 	/**
 	 * Emits the 'change' signal on the set.
+	 * 
+	 * @param {Object} changes The changed params and its values
 	 */
-	,changed: function ()
+	,changed: function (changes)
 	{
-		this.emit ('change');
+		this.emit ('change', changes);
 	}
 
 	/**
@@ -70,4 +72,3 @@ module.exports = new Class
 		this.assign (lot.params);
 	}
 });
-

js/vn/lot-query.js

@@ -66,6 +66,7 @@ Klass.implement
 	,_fields: null
 	,_source: null
 	,_type: Type.INCLUDE
+	,_sourceFields: null
 
 	,_onSourceChange: function ()
 	{
@@ -110,12 +111,14 @@ Klass.implement
 	,typeExclude: function (params)
 	{
 		var changed = false;
+		var sourceFields = [];
 
 		for (var field in params)
 		if (this._fields.indexOf (field) === -1
 		&& this._params[field] !== params[field])
 		{
 			this._params[field] = params[field];
+			sourceFields.push (field);
 			changed = true;
 		}
 

js/vn/lot.js

@@ -65,4 +65,3 @@ module.exports = new Class
 		this.changed ();
 	}
 });
-

js/vn/model-iface.js

@@ -59,7 +59,7 @@ Klass.implement
 	 * Checks if the column exists.
 	 *
 	 * @param {integer} column The column index
-	 * @return {Boolean} %true if column exists, %false otherwise
+	 * @return {boolean} %true if column exists, %false otherwise
 	 */
 	,checkColExists: function () {}
 
@@ -67,7 +67,7 @@ Klass.implement
 	 * Checks if the row exists.
 	 *
 	 * @param {integer} rowIndex The row index
-	 * @return {Boolean} %true if row exists, %false otherwise
+	 * @return {boolean} %true if row exists, %false otherwise
 	 */
 	,checkRowExists: function () {}
 	
@@ -83,7 +83,7 @@ Klass.implement
 	 * Gets a value from the model.
 	 *
 	 * @param {number} rowIndex The row index
-	 * @param {String} columnName The column name
+	 * @param {string} columnName The column name
 	 * @return {*} The value, or %undefined
 	 */
 	,get: function () {}
@@ -108,7 +108,7 @@ Klass.implement
 	/**
 	 * Orders the model by the specified column name.
 	 *
-	 * @param {Number} column The column name
+	 * @param {number} column The column name
 	 * @param {SortWay} way The sort way
 	 */
 	,sortByName: function () {}
@@ -116,7 +116,7 @@ Klass.implement
 	/**
 	 * Orders the model by the specified column.
 	 *
-	 * @param {Number} column The column index
+	 * @param {number} column The column index
 	 * @param {SortWay} way The sort way
 	 */
 	,sort: function () {}
@@ -127,9 +127,9 @@ Klass.implement
 	 * If an index have been built on that column, it will be used, for more
 	 * information see the indexColumn() method.
 	 *
-	 * @param {String} column The column name
+	 * @param {string} column The column name
 	 * @param {Object} value The value to search
-	 * @return {Number} The column index
+	 * @return {number} The column index
 	 */
 	,search: function () {}
 
@@ -137,9 +137,9 @@ Klass.implement
 	 * Searchs a value on the model and returns the row index of the first
 	 * ocurrence.
 	 *
-	 * @param {Number} col The column index
+	 * @param {number} col The column index
 	 * @param {Object} value The value to search
-	 * @return {Number} The column index
+	 * @return {number} The column index
 	 */
 	,searchByIndex: function () {}
 
@@ -150,7 +150,7 @@ Klass.implement
 	 *
 	 * FIXME: Not fully implemented.
 	 *
-	 * @param {String} column The column name
+	 * @param {string} column The column name
 	 */
 	,indexColumn: function () {}
 });

js/vn/model-proxy.js

@@ -45,7 +45,7 @@ Klass.implement
 	 * Updates a value on the model.
 	 *
 	 * @param {number} rowIndex The row index
-	 * @param {String} columnName The column name
+	 * @param {string} columnName The column name
 	 * @param {*} value The new value
 	 */
 	,set: function () {}
@@ -53,8 +53,8 @@ Klass.implement
 	/**
 	 * Updates a value on the model using the column index.
 	 *
-	 * @param {Number} rowIndex The row index
+	 * @param {number} rowIndex The row index
-	 * @param {Number} col The column index
+	 * @param {number} col The column index
 	 * @param {*} value The new value
 	 */
 	,setByIndex: function () {}

js/vn/node.js

@@ -60,7 +60,7 @@ module.exports =
 	 * function doesn't check if the node already has the class.
 	 * 
 	 * @param {Node} node The HTML Node
-	 * @param {String} className The CSS class name
+	 * @param {string} className The CSS class name
 	 */
 	,addClass: function (node, className)
 	{
@@ -72,7 +72,7 @@ module.exports =
 	 * removes all ocurrences of the class from the node.
 	 * 
 	 * @param {Node} node The HTML Node
-	 * @param {String} className The CSS class name
+	 * @param {string} className The CSS class name
 	 */
 	,removeClass: function (node, className)
 	{

js/vn/object.js

@@ -1,15 +1,28 @@
 
 /**
- * The main base class. Manages the signal system.
+ * The main base class. Manages the signal system. Objects based on this class
- *
+ * can be instantiated declaratively using XML.
- * @param signals Map with all connected signal handlers
  */
 module.exports = new Class
 ({
+	/**
+	 * Tag to be used when the class instance is defined via XML.
+	 */
 	Tag: 'vn-object'
+
+	/**
+	 * Class public properties.
+	 */
 	,Properties: {}
 
+	/*
+	 * Reference count.
+	 */
 	,_refCount: 1
+
+	/*
+	 * Signal handlers data.
+	 */
 	,_signalData: null
 
 	/**
@@ -65,7 +78,7 @@ module.exports = new Class
 
 	/**
 	 * Called from @Vn.Builder when it finds a a child tag that isn't
-	 * associated to any object property.
+	 * associated to any property.
 	 * 
 	 * @param {Object} child The child object instance
 	 */
@@ -74,8 +87,8 @@ module.exports = new Class
 	/**
 	 * Conects a signal with a function.
 	 *
-	 * @param {String} id The signal identifier
+	 * @param {string} id The signal identifier
-	 * @param {Function} callback The callback
+	 * @param {function} callback The callback
 	 * @param {Object} instance The instance
 	 */
 	,on: function (id, callback, instance)
@@ -102,9 +115,9 @@ module.exports = new Class
 	/**
 	 * Locks/Unlocks a signal emission to the specified object.
 	 *
-	 * @param {String} id The signal identifier
+	 * @param {string} id The signal identifier
-	 * @param {Function} callback The callback
+	 * @param {function} callback The callback
-	 * @param {Boolean} block %true for lock the signal, %false for unlock
+	 * @param {boolean} block %true for lock the signal, %false for unlock
 	 */
 	,blockSignal: function (id, callback, block, instance)
 	{
@@ -123,9 +136,9 @@ module.exports = new Class
 	}
 	
 	/**
-	 * Emits a signal in the current object.
+	 * Emits a signal in the object.
 	 *
-	 * @param {String} id The signal identifier
+	 * @param {string} id The signal identifier
 	 */
 	,emit: function (id)
 	{
@@ -151,8 +164,8 @@ module.exports = new Class
 	/**
 	 * Disconnects a signal from current object.
 	 *
-	 * @param {String} id The signal identifier
+	 * @param {string} id The signal identifier
-	 * @param {Function} callback The connected callback
+	 * @param {function} callback The connected callback
 	 * @param {Object} instance The instance
 	 */
 	,disconnect: function (id, callback, instance)
@@ -194,7 +207,8 @@ module.exports = new Class
 
 	/**
 	 * Destroys the object, this method should only be called before losing
-	 * the last reference to the object.
+	 * the last reference to the object. It can be overwritten by child classes
+	 * but should always call the parent method.
 	 */
 	,_destroy: function ()
 	{
@@ -238,7 +252,7 @@ module.exports = new Class
 					newObject.on (signal, handlers[signal], this);
 			}
 			else if (oldObject)
-				delete links[key];
+				links[key] = undefined;
 		}
 	}
 

js/vn/param-iface.js

@@ -1,6 +1,7 @@
 
 var LotIface = require ('./lot-iface');
 var Type = require ('./type');
+var Value = require ('./value');
 
 /**
  * A value holder, it emits the changed signal when value is changed.
@@ -66,13 +67,10 @@ module.exports = new Class
 	
 	,_setValue: function (newValue)
 	{
-		if (newValue == this._value)
+		if (Value.simpleEquals (newValue, this._value))
 			return;
-	
-		if (newValue instanceof Date)
-			newValue = newValue.clone ();
 
-		this._value = newValue;
+		this._value = Value.simpleClone (newValue);
 		this._refreshLot ();
 		this._refreshParam ();
 		this.emit ('changed', newValue);
@@ -137,4 +135,10 @@ module.exports = new Class
 		this._lot.set (this._name, this._value);
 		this._lotLock = false;
 	}
+
+	,_setName: function (name)
+	{
+		this._name = name;
+		this._onLotChange ();
+	}
 });

js/vn/param.js

@@ -67,8 +67,7 @@ module.exports = new Class
 			type: String
 			,set: function (x)
 			{
-				this._name = x;
+				this._setName (x);
-				this._onLotChange ();
 			}
 			,get: function ()
 			{

js/vn/value.js

@@ -3,15 +3,15 @@ var VnDate = require ('./date');
 
 /**
  * Checks if two values are equal, it also checks objects. Basic
- * values are compared using the non-strict equality operator.
+ * values are compared using the strict equality operator.
  *
  * @param {*} a Value to compare to
  * @param {*} b Value to compare with
- * @return {Boolean} %true if they are equal, %false otherwise
+ * @return {boolean} %true if they are equal, %false otherwise
  */
 function equals (a, b)
 {
-	if (a == b)
+	if (a === b)
 		return true;
 	if (a instanceof Date && b instanceof Date)
 		return a.getTime () === b.getTime ();
@@ -22,7 +22,7 @@ function equals (a, b)
 			return false;
 
 		for (var key in b)
-		if (a[key] === undefined && b[key] != null)
+		if (a[key] === undefined && b[key] !== undefined)
 			return false;
 
 		return true;
@@ -32,7 +32,7 @@ function equals (a, b)
 }
 
 /**
- * Calculates differences of to key-value objects.
+ * Calculates differences of two key-value objects.
  *
  * @param {Object} orgObject Value to compare to
  * @param {Object} newObject Value to compare with
@@ -46,14 +46,14 @@ function diff (orgObject, newObject)
 	var keys = Object.keys (orgObject);
 
 	for (var i = keys.length; --i; key = keys[i])
-	if (orgObject[key] !== newObject[key])
+	if (!simpleEquals (orgObject[key], newObject[key]))
-		diff[key] = newObject[key];
+		diff[key] = simpleClone (newObject[key]);
 
 	var keys = Object.keys (newObject);
 
 	for (var i = keys.length; --i; key = keys[i])
-	if (orgObject[key] === undefined)
+	if (orgObject[key] === undefined && newObject[key] !== undefined)
-		diff[key] = newObject[key];
+		diff[key] = simpleClone (newObject[key]);
 
 	if (Object.keys (diff).length > 0)
 		return diff;
@@ -61,12 +61,43 @@ function diff (orgObject, newObject)
 	return null;
 }
 
+/**
+ * Copies a simple value.
+ *
+ * @param {*} value The value to be copied
+ * @return {*} The value copy
+ */
+function simpleClone (value)
+{
+	if (value instanceof Date)
+		return value.clone ();
+
+	return value;
+}
+
+/**
+ * Checks if two simple values are equal using the strict equality operator.
+ *
+ * @param {*} a Value to compare to
+ * @param {*} b Value to compare with
+ * @return {boolean} %true if they are equal, %false otherwise
+ */
+function simpleEquals (a, b)
+{
+	if (a === b)
+		return true;
+	if (a instanceof Date && b instanceof Date)
+		return a.getTime () === b.getTime ();
+
+	return false;
+}
+
 /**
  * Returns a formated string.
  *
  * @param {Object} formatString The base string template
  * @param {...} arguments Format parameters
- * @return {String} The formated string
+ * @return {string} The formated string
  */
 function sprintf (formatString)
 {
@@ -89,6 +120,8 @@ module.exports =
 
 	,equals: equals
 	,diff: diff
+	,simpleClone: simpleClone
+	,simpleEquals: simpleEquals
 	,sprintf: sprintf
 
 	,compare: function (a, b)

js/vn/vn.js

@@ -150,7 +150,7 @@ Vn = module.exports = {
 	 * includes and its dependencies are resolved.
 	 * Should be called on the last statically incuded script.
 	 *
-	 * @param {Function} callback The main function
+	 * @param {function} callback The main function
 	 */
 	,main: function (callback)
 	{
@@ -245,7 +245,7 @@ Vn = module.exports = {
 	 * Sets the function that will be called when current script dependencies
 	 * are resolved.
 	 *
-	 * @param {Function} callback The callback function
+	 * @param {function} callback The callback function
 	 */
 	,define: function (callback)
 	{
@@ -271,7 +271,7 @@ Vn = module.exports = {
 	 * is already included, does nothing and calls the callback.
 	 *
 	 * @param {string} fileName The script file name
-	 * @param {Function} callback The function to call when script is
+	 * @param {function} callback The function to call when script is
 	 * downloaded and included
 	 */
 	,includeJs: function (fileName, callback, skipVersion)
@@ -349,7 +349,7 @@ Vn = module.exports = {
 	 * Request an XML file.
 	 *
 	 * @param {string} path The file path
-	 * @param {Function} callback The function to call when file is downloaded
+	 * @param {function} callback The function to call when file is downloaded
 	 */
 	,loadXml: function (path, callback)
 	{