/*----------------    FILE HEADER ---------------------------------------
This file is part of Geoide.
Copyright (C) 2005-2006 by:
IDgis B.V.
http://www.idgis.nl

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

Contact:

Herman Assink
IDgis bv
P.O. Box 15
7450 AA Holten
The Netherlands
E-Mail: herman.assink@idgis.nl

 * @version 1.4.0
 * @author IDgis team
 * 
------------------------------------------------------------------------*/
import mx.controls.TextInput;
import mx.utils.Delegate;

import nl.idgis.giclient.filterencoding.PropertyIsCompOperation;
import nl.idgis.giclient.framework.IDComboBox;
import nl.idgis.giclient.query.Operand;

class nl.idgis.giclient.query.PropertyIsCompOperand extends Operand {
	private var valueField : Object = null;
	private var valueButton : Button = null;

	function PropertyIsCompOperand() {
		paint();
	}

	private function paint() {
		var valueFieldName : String = this._name + "ValueField";
		if(operationViewer.queryColumn.getSearchType().toUpperCase() != "TEXTINPUT") {
			valueField = IDComboBox(attachMovie("IDComboBox", valueFieldName = "Combo", this.getNextHighestDepth(), {_width:100}));
			valueField.addEventListener("select", Delegate.create(this, onChangeSelectedValue));
			valueField.editable = true; 
		} else {
			valueField = TextInput(attachMovie("TextInput", valueFieldName + "Text", getNextHighestDepth(), {_width:120}));
			valueField.text = operationViewer.queryColumn.getValueFormat();
			valueField.addEventListener("change", Delegate.create(this, onChangeTypedValue));
			//TODO: format van de inputtext moet exact opgegeven kunnen worden

						if (operationViewer.queryColumn.getValueFormat() == "99999") {
				valueField.restrict = "0-9 , -";
			}
			operandWidth = TextInput(valueField).__width;
			operationViewer.onResizeOperand(this); 
		}
	}  

	private function onChangeSelectedValue(eventObject : Object) {
		var selectedValue : String;
		// valueField.selectedIndex = 0  is "Alles" of "Selecteer een waarde"

				if(valueField.selectedIndex != 0) {
			selectedValue = valueField.selectedItem.data;
		} else {
			selectedValue = null;
		}
		resetOperationValue(selectedValue);
		operationViewer.onChangeOperand();
		valueField.textField.text = valueField.selectedItem.label;
	}

	private function onChangeTypedValue(eventObject : Object) { 
		resetOperationValue(valueField.text);
		operationViewer.onChangeOperand();
	}

	
	private function resetOperationValue(value : String) : Void {
		PropertyIsCompOperation(operationViewer.getOperation()).setLiteral(value);
	}

	function reset(values : Array) {
		PropertyIsCompOperation(operationViewer.getOperation()).setLiteral(null);
		if(operationViewer.queryColumn.getSearchType().toUpperCase() != "TEXTINPUT") {
			valueField.dataProvider = values;
			IDComboBox(valueField).resize();
			operandWidth = IDComboBox(valueField).getWidth();
			operationViewer.onResizeOperand(this); 
			//zet de default selectie, als er maar een is te kiezen deze gelijk kiezen

						if(values.length > 2 || values.length == 1) {
				valueField.selectedIndex = 0;
			} else {	
				valueField.selectedIndex = 1;
				onChangeSelectedValue();
			}	
		}
	}
}