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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.forms.client.nonpublic; import java.util.*; import org.litesoft.core.typeutils.*; import org.litesoft.ui.def.nonpublic.support.*; public class ActionAdapterManager { private FormActionAdapter[] mAdapters = FormActionAdapter.EMPTY_ARRAY; private Map mAdaptersByActionID = new HashMap(); private FormActionAdapter[] getFor( String pActionID ) { Object o = mAdaptersByActionID.get( pActionID ); return (o == null) ? FormActionAdapter.EMPTY_ARRAY : (FormActionAdapter[]) o; } public void dispose() { mAdapters = FormActionAdapter.EMPTY_ARRAY; mAdaptersByActionID.clear(); } public void add( FormActionAdapter pActionAdapter ) { if ( pActionAdapter != null ) { mAdapters = FormActionAdapter.Helper.append( mAdapters, pActionAdapter ); String actionID = pActionAdapter.getActionID(); FormActionAdapter[] adapters = FormActionAdapter.Helper.append( getFor( actionID ), pActionAdapter ); mAdaptersByActionID.put( actionID, adapters ); } } public void apply( FormDataRowKey pFormDataRowKey, ActionUpdateFormData[] pActionUpdatesNonNullOrEmpty ) { for ( int i = 0; i < pActionUpdatesNonNullOrEmpty.length; i++ ) { ActionUpdateFormData update = pActionUpdatesNonNullOrEmpty[i]; if ( Objects.areNonArraysEqual( pFormDataRowKey, update.getFormDataRowKey() ) ) { setActionDisabled( update.getActionID(), update.getDisabled() ); } } } public void updateInputState( boolean pAnyChanged, boolean pAnyErrors ) { for ( int i = 0; i < mAdapters.length; i++ ) { FormActionAdapter adapter = mAdapters[i]; Boolean changeStateEnablement = adapter.getInputChangeStateEnablement(); Boolean errorStateEnablement = adapter.getInputErrorStateEnablement(); Boolean change = merge( null, changeStateEnablement, pAnyChanged ); change = merge( change, errorStateEnablement, pAnyErrors ); if ( change != null ) { adapter.setEnabled( change.booleanValue() ); } } } public boolean setActionDisabled( String pActionID, boolean pDisabled ) { FormActionAdapter[] adapters = getFor( pActionID ); for ( int i = 0; i < adapters.length; i++ ) { FormActionAdapter adapter = adapters[i]; adapter.setDisabled( pDisabled ); } return (adapters.length != 0); } public boolean setFocus() { for ( int i = 0; i < mAdapters.length; i++ ) { FormActionAdapter adapter = mAdapters[i]; if ( adapter.isVisible() && adapter.isEnabled() ) { if ( adapter.setFocus() ) { return true; } } } return false; } private Boolean merge( Boolean pExisting, Boolean pStateEnablement, boolean pState ) { if ( Boolean.FALSE.equals( pExisting ) || (pStateEnablement == null) ) { return pExisting; } return Boolean.valueOf( pState == pStateEnablement.booleanValue() ); } } |