litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.forms.client.components.factories.input; import org.litesoft.GWT.forms.client.components.factories.*; import org.litesoft.GWT.forms.client.components.impls.input.*; import org.litesoft.GWT.forms.client.nonpublic.*; import org.litesoft.core.simpletypes.*; import org.litesoft.ui.def.nonpublic.*; import org.litesoft.ui.def.nonpublic.support.*; import org.litesoft.uispecification.*; import com.google.gwt.user.client.ui.*; import java.io.*; import java.util.*; public class UiComboBoxWidgetFactory implements InputWidgetFactory { public Widget create( FormInstanceComponentHandler pComponentHandler, // UiInputDef pUiDef, AttributeMetaData pMetaData, boolean pHasHorizontalPeer ) { ComboBoxMetaData zMD = (ComboBoxMetaData) pMetaData; String zLabelText = !pUiDef.isLabelLess() ? zMD.getExternalText() : null; UiFont zLabelFont = pUiDef.getLabelFont(); String zTooltip = zMD.getTooltip(); return new MyFormAdapter( pComponentHandler, zMD, createFormComboBox( zLabelText, zLabelFont, zTooltip ) ).init(); } protected FormComboBox createFormComboBox( String pLabelText, UiFont pLabelFont, String pTooltip ) { return new FormComboBox( pLabelText, pLabelFont, pTooltip ); } private static final class MyFormAdapter extends AbstractFormRequireableAttributeAdapter { private FormComboBox mFC; private SimpleKeyValuePair mOptionZero; private SimpleKeyValuePair[] mValidOptions; private List<Serializable> mNewValidOptions = new ArrayList<Serializable>(); private boolean mHasFocus = false; public MyFormAdapter( FormInstanceComponentHandler pComponentHandler, // ComboBoxMetaData pMD, FormComboBox pFC ) { super( pComponentHandler, pMD, pMD, pFC ); mFC = pFC; mFC.addItem( mOptionZero = pMD.getNoSendOptionZero() ); mFC.addItems( mValidOptions = pMD.getValidOptions() ); } public void updateValidOptions( Serializable[] pValidOptions ) { convertOptions( pValidOptions ); if ( !mHasFocus || mFC.areOptionsAlwaysUpdatable() ) { LLupdateValidOptions(); } } private void convertOptions( Serializable[] pValidOptions ) { mNewValidOptions.clear(); if ( pValidOptions != null ) { for ( Serializable zValidOption : pValidOptions ) { SimpleKeyValuePair option = convertOption( zValidOption ); if ( option != null ) { mNewValidOptions.add( option ); } } } } private void LLupdateValidOptions() { if ( !mNewValidOptions.isEmpty() ) { // save the currently select & null it if it is the default option zero SimpleKeyValuePair selected = convertOption( mFC.getSelectedKeyValuePair() ); mFC.setSelectedIndex( -1 ); // Remove all the old options for ( SimpleKeyValuePair zValuePair : mValidOptions ) { mFC.removeItem( zValuePair ); } // Add all the new ones & note if old current selected was found mValidOptions = new SimpleKeyValuePair[mNewValidOptions.size()]; boolean found = false; for ( int i = 0; i < mNewValidOptions.size(); i++ ) { SimpleKeyValuePair option = (SimpleKeyValuePair) mNewValidOptions.get( i ); found |= option.equals( selected ); mFC.addItem( mValidOptions[i] = option ); } mNewValidOptions.clear(); setComponentCurrentValue( found ? selected : null ); } } protected Object getComponentCurrentValue() { Object rv = super.getComponentCurrentValue(); return !areEqual( rv, mOptionZero ) ? rv : null; } protected void setComponentCurrentValue( Object pCurrentValue ) { if ( pCurrentValue == null ) { pCurrentValue = mOptionZero; } super.setComponentCurrentValue( pCurrentValue ); } protected Serializable convertComponentValueToSendable( Object pValue ) { return !areEqual( pValue, mOptionZero ) ? (Serializable) pValue : null; } protected Object convertSendableToComponentValue( Serializable pValue ) { return convertOption( pValue ); } protected String convertComponentValueToString( Object pValue ) { if ( pValue instanceof SimpleKeyValuePair ) { return "@" + ((SimpleKeyValuePair) pValue).getKey(); } return (pValue == null) ? "null" : "?" + pValue; } protected Object convertStringToComponentValue( String pValue ) { if ( (pValue == null) || pValue.equals( "null" ) ) { return null; } return pValue.startsWith( "@" ) ? pValue.substring( 1 ) : pValue; } public void focusOccured() { super.focusOccured(); mHasFocus = true; } public void blurOccurred() { mHasFocus = false; LLupdateValidOptions(); super.blurOccurred(); } private SimpleKeyValuePair convertOption( Serializable pValue ) { if ( pValue == null ) { return null; } SimpleKeyValuePair rv = (pValue instanceof SimpleKeyValuePair) ? // (SimpleKeyValuePair) pValue : // new StringKeyValuePair( pValue.toString() ); return !areEqual( rv, mOptionZero ) ? rv : null; } } } |
Commits for litesoft/trunk/Java/GWT/OldClient/src/org/litesoft/GWT/forms/client/components/factories/input/UiComboBoxWidgetFactory.java
Revision | Author | Commited | Message |
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950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
60 Diff | GeorgeS | Tue 24 Aug, 2010 00:37:36 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |