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/**
This file is part of the Zeidon Java Object Engine (Zeidon JOE).
Zeidon JOE 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 3 of the License, or
(at your option) any later version.
Zeidon JOE 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 Zeidon JOE. If not, see tableEntries;
private TableDomain tableDomain;
/**
* We will register an event listener so that we can set the attribute value
* when the spinner is selected. However, the app may want it's own listener
* so we'll keep track of that here.
*/
private OnItemSelectedListener selectedListener;
public ZeidonDomainSpinner(Context context, AttributeSet attrs)
{
super( context, attrs );
viewDelegate.loadConfig( this, attrs );
initializeListener();
}
public ZeidonDomainSpinner(Context context, AttributeSet attrs, int defStyle)
{
super( context, attrs, defStyle );
viewDelegate.loadConfig( this, attrs );
initializeListener();
}
private void initializeListener()
{
super.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
/**
* Called when a new item was selected (in the Spinner)
*/
@Override
public void onItemSelected( AdapterView parent, android.view.View view, int pos, long id )
{
TableEntry tableEntry = (TableEntry) parent.getItemAtPosition( pos );
viewDelegate.setAttribute( tableEntry.getInternalValue() );
if ( selectedListener != null )
selectedListener.onItemSelected( parent, view, pos, id );
}
@Override
public void onNothingSelected( AdapterView parent )
{
if ( selectedListener != null )
selectedListener.onNothingSelected( parent );
}
});
}
@Override
public void setOnItemSelectedListener( OnItemSelectedListener listener )
{
selectedListener = listener;
}
/**
* We can't initialize the adapter until the task for the ZeidonViewGroup has been set, so we
* need to do it from setFromOI(). Use tableDomain to insure we only do it once.
*/
private void initalizeAdapter()
{
if ( tableDomain != null )
return;
View view = viewDelegate.findMappingView( );
LodDef lodDef = view.getLodDef();
EntityDef entityDef = lodDef.getEntityDef( viewDelegate.getEntityName( ) );
AttributeDef attributeDef = entityDef.getAttribute( viewDelegate.getAttributeName() );
Domain domain = attributeDef.getDomain();
if ( ! ( domain instanceof TableDomain ) )
throw new ZeidonException( "Domain for attribute is not a TableDomain" )
.prependAttributeDef( attributeDef );
tableDomain = (TableDomain) domain;
String contextName = viewDelegate.getContextName();
Task task = viewDelegate.findTaskQualification( ).getTask();
tableEntries = tableDomain.getTableEntries( task, contextName );
DomainAdapter adapter = new DomainAdapter( tableEntries );
setAdapter( adapter );
}
@Override
public void setZeidonParent( android.view.View parent )
{
viewDelegate.setParentView( parent );
}
@Override
public void setFromOi()
{
initalizeAdapter();
viewDelegate.setEntityInstance();
String value = viewDelegate.getStringFromAttribute( );
int count = 0;
for ( TableEntry entry : tableEntries )
{
if ( entry.getInternalValue().equals( value ) )
{
setSelection( count );
break;
}
count++;
}
}
@Override
public void copyValuesToOi()
{
// Nothing needs to be done here because it is handled by the onSelect listener.
// This class implements the ZeidonInputView to indicate that it updates the
// backing Zeidon view.
}
@Override
public String getViewName()
{
return viewDelegate.getViewName( );
}
@Override
public String getEntityName()
{
return viewDelegate.getEntityName( );
}
@Override
public View getMappingView()
{
return viewDelegate.getMappingView();
}
@Override
public android.view.View getZeidonParent()
{
return viewDelegate.getParentView();
}
private class DomainAdapter implements SpinnerAdapter
{
private final List entryList;
private DomainAdapter(List data)
{
this.entryList = data;
}
/**
* Returns the Size of the ArrayList
*/
@Override
public int getCount()
{
return entryList.size();
}
/**
* Returns one Element of the ArrayList at the specified position.
*/
@Override
public Object getItem( int position )
{
return entryList.get( position );
}
@Override
public long getItemId( int position )
{
return position;
}
@Override
public int getItemViewType( int position )
{
return android.R.layout.simple_spinner_dropdown_item;
}
/**
* Returns the View that is shown when a element was selected.
*/
@Override
public android.view.View getView( int position, android.view.View convertView, ViewGroup parent )
{
TextView v = new TextView( getContext() );
v.setTextColor( Color.BLACK );
v.setText( entryList.get( position ).getExternalValue() );
return v;
}
@Override
public int getViewTypeCount()
{
return 1;
}
@Override
public boolean hasStableIds()
{
return false;
}
@Override
public boolean isEmpty()
{
return false;
}
@Override
public void registerDataSetObserver( DataSetObserver observer )
{
}
@Override
public void unregisterDataSetObserver( DataSetObserver observer )
{
}
/**
* The Views which are shown in when the arrow is clicked (In this case,
* I used the same as for the "getView"-method.
*/
@Override
public android.view.View getDropDownView( int position, android.view.View convertView, ViewGroup parent )
{
return this.getView( position, convertView, parent );
}
}
}
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