<?xml version="1.0" encoding="UTF-8" ?>
<!--
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
  distributed with this work for additional information
  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
    	  
  Unless required by applicable law or agreed to in writing,
  software distributed under the License is distributed on an
  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  KIND, either express or implied.  See the License for the
  specific language governing permissions and limitations
  under the License.
  
-->
<library>
    
    <!--- A editfieldText with the possibility of a dropdown menu -->

    <class name="validText" extends="edittext">
        
        <!--- The method to be called for validating -->
        <attribute name="validate_method" value="null" />
        
        <!--- the id-attribute of the resultset -->
        <attribute name="resultId" value="id" type="string" />
        <!--- the name-attribute of the resultset -->
        <attribute name="resultName" value="name" type="string" />        
					
        <attribute name="initSelect" value="false" type="boolean" />
					
        <attribute name="timerDelegate" value="null"/>
        <attribute name="typetime" type="number" value="500"/>
        <attribute name="timerIsInited" value="false" type="boolean"/>
        
        <!--- items to be shown in the floatinglist -->
        <attribute name="shownitems" value="7" type="number" />          
        <attribute name="spacing" value="1" type="number" />  
        <!--- The vertical offset of the floatinglist attached to this
              combobox. -->
        <attribute name="attachoffset" value="-1" type="number"/>
        <!--- Whether a scrollbar should automatically show up when there are more
              items than shownitems. -->
        <attribute name="autoscrollbar" value="true"/>   

        <!--- The border size ( in pixels ) of the popup list.  -->
        <attribute name="bordersize"   value="1" />      
        
        <attribute name="currentValue" type="string" value="" />
        
        <!--- refernce to the current selected item -->
        <attribute name="_selected" value="null" />    
        
        <method name="addAndSelectItem" args="txt,id">
            this.cblist.addItem(txt,id);
            this.currentValue = id;
            this.setAttribute('text',txt);
        </method>    
        
        <method name="setSelection" args="obj">
            this._selected = obj;
            this.currentValue = obj.value;
            this.setAttribute('text',obj.text);
            this.setOpen(false,true);
            this.onselect.sendEvent();
        </method>    
        
        <event name="onselect" />
        
        <method name="getValue">
            return this.currentValue;
        </method>

                    <!-- arrow down and up both popup floatinglist, and pass the key event to it -->
        <handler name="onkeydown" args="key">
            <![CDATA[
                //Debug.write("onkeydown: ",key);
                // 38 is up-arrow
                // 40 is down-arrow
                // 32 is space
                // 13 is return
                if ((key==38) || (key==40)) {
                    if (!this.isopen) {
                        this.setOpen(true, true); // open, withKey
                    } else {
                        lz.Focus.setFocus(this.cblist, true);
                    }
                    // pass the key event on to the floatinglist
                    this.cblist.onkeydown.sendEvent(key);
                } else if (key==27){
                    if (!this.isopen) {
                        this.setOpen(true, true); // open, withKey
                    } else {
                        lz.Focus.setFocus(this.cblist, true);
                    }
                    this.cblist.onkeydown.sendEvent(key);
                } else if (key!=13 && key!=9){
                    //Don't handle Enter and Tab Events cause it will open the listItems
                    ////Debug.write("onkeydown txt: ",this.getText());
                    if (!this.initSelect){
                        ////Debug.write("onvalue: ",txt,this);
                        if (!this.timerIsInited){
                            this.timerIsInited = true;
                            this.timerDelegate = new LzDelegate( this, "validatedText" );
                            ////Debug.write("+++++++++++++++++ addTimer");
                            //Debug.write("+++++++++++++++++ removeTimer ",lz.Timer.countTimers());
                            lz.Timer.addTimer( this.timerDelegate, this.typetime );
                        } else {
                            ////Debug.write("############### resetTimer NO ADDING ");
                            //Debug.write("############### resetTimer ",lz.Timer.countTimers());
                            lz.Timer.resetTimer( this.timerDelegate, this.typetime );
                        }
                    } else {
                        this.initSelect = false;
                    }
                }
            ]]>
        </handler>
        
        <method name="validatedText">
            <![CDATA[
                ////Debug.write("validatedText: ",this.getText());
                //this.reset();
                if (!this.initSelect){
                    var t = this.validate_method(this.getText());
                    ////Debug.write('t: ',t.length);
                    //this.parent._cblist.setAttribute('visible',true);
                    this.cblist.removeAllItems();
                    for (var i=0;i<t.length;i++){
                        ////Debug.write(t[i][this.resultName],t[i][this.resultId]);
                        this.cblist.addItem(t[i][this.resultName],t[i][this.resultId]);
                    }                

                    ////Debug.write("validateText: ",this.getText());
                    if (!this.isopen) {
                        this.setOpen(true, true); // open, withKey
                    }
                    this.timerIsInited = false;
                } else {
                    this.initSelect=false;
                    this.timerIsInited = false;
                }
            ]]>
        </method>	
        
        <attribute name="isopen" value="false" type="boolean" setter="this.setOpen(isopen)" />
        
        <event name="onisopen" />
        
        <method name="setOpen" args="open, withkey" >
            if (!this.isinited) {
                this.isopen = open;
                return;
            }
            if (open) { // open combox
                if (this.isopen) return; // tends to get called more than once, esp when
                //lz.ModeManager.makeModal( this );

                this.cblist.bringToFront();
                this.cblist.setVisible(true);
                //lz.Focus.setFocus(this.cblist, withkey);

                this.isopen = true;
                if (this['onisopen']) this.onisopen.sendEvent(true);
            } else { // close combox
                if (!this['isopen']) return;
                this.isopen = false;

                //lz.ModeManager.release( this );
                this.cblist.setVisible(false);
                if (this['onisopen']) this.onisopen.sendEvent(false);
                if ( lz.Focus.getFocus() == this.cblist ) {
                    lz.Focus.setFocus(this, withkey);
                }
            }
        </method>           

        <floatinglist name="cblist"
                      width="${owner.width - 1}"
                      bordersize="${this.owner.bordersize}"
                      spacing="${this.owner.spacing}"
                      visible="false"
                      shownitems="${this.owner.shownitems}"
                      attach="bottom"
                      attachoffset="${this.owner.attachoffset}"
                      multiselect="false"
                      autoscrollbar="${owner.autoscrollbar}" >

            <handler name="onkeyup" args="kc">
                //name="_dokeyup" 
                if (kc == 27) {  // escape needs to close floating list
                    this.owner.setOpen(false);
                }
            </handler>
            <method name="removeAllItems" args="index"> 
                for (var eg in _contentview.subviews){
                    _removeitem(_contentview.subviews[eg]); 
                } 
            </method>	
            <handler name="onselect" args="obj">
                ////Debug.write("obj: ",obj);
                this.owner.setSelection(obj);
            </handler>		
        </floatinglist>

    </class>
	
    
</library>