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// This Source Code is in the Public Domain per: http://unlicense.org |
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package org.litesoft.GWT.forms.client.components.factories.input; |
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import java.io.*; |
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import java.util.*; |
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import org.litesoft.GWT.forms.client.components.factories.*; |
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import org.litesoft.GWT.forms.client.components.impls.input.*; |
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import org.litesoft.GWT.forms.client.nonpublic.*; |
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import com.google.gwt.user.client.ui.*; |
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public class UiComboBoxWidgetFactory implements InputWidgetFactory |
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import java.io.*; |
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import java.util.*; |
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public class UiComboBoxWidgetFactory implements InputWidgetFactory { |
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public Widget create( FormInstanceComponentHandler pComponentHandler, // |
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UiInputDef pUiDef, AttributeMetaData pMetaData, |
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boolean pHasHorizontalPeer ) |
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boolean pHasHorizontalPeer ) { |
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ComboBoxMetaData zMD = (ComboBoxMetaData) pMetaData; |
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String zLabelText = !pUiDef.isLabelLess() ? zMD.getExternalText() : null; |
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createFormComboBox( zLabelText, zLabelFont, zTooltip ) ).init(); |
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} |
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protected FormComboBox createFormComboBox( String pLabelText, UiFont pLabelFont, String pTooltip ) |
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protected FormComboBox createFormComboBox( String pLabelText, UiFont pLabelFont, String pTooltip ) { |
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return new FormComboBox( pLabelText, pLabelFont, pTooltip ); |
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} |
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private static final class MyFormAdapter extends AbstractFormRequireableAttributeAdapter |
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private static final class MyFormAdapter extends AbstractFormRequireableAttributeAdapter { |
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private FormComboBox mFC; |
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private SimpleKeyValuePair mOptionZero; |
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private SimpleKeyValuePair[] mValidOptions; |
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private boolean mHasFocus = false; |
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public MyFormAdapter( FormInstanceComponentHandler pComponentHandler, // |
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ComboBoxMetaData pMD, FormComboBox pFC ) |
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{ |
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ComboBoxMetaData pMD, FormComboBox pFC ) { |
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super( pComponentHandler, pMD, pMD, pFC ); |
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mFC = pFC; |
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mFC.addItem( mOptionZero = pMD.getNoSendOptionZero() ); |
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mFC.addItems( mValidOptions = pMD.getValidOptions() ); |
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} |
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public void updateValidOptions( Serializable[] pValidOptions ) |
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{ |
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public void updateValidOptions( Serializable[] pValidOptions ) { |
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convertOptions( pValidOptions ); |
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if ( !mHasFocus || mFC.areOptionsAlwaysUpdatable() ) |
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{ |
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if ( !mHasFocus || mFC.areOptionsAlwaysUpdatable() ) { |
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LLupdateValidOptions(); |
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} |
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} |
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private void convertOptions( Serializable[] pValidOptions ) |
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{ |
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private void convertOptions( Serializable[] pValidOptions ) { |
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mNewValidOptions.clear(); |
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if ( pValidOptions != null ) |
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{ |
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for ( Serializable zValidOption : pValidOptions ) |
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if ( pValidOptions != null ) { |
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for ( Serializable zValidOption : pValidOptions ) { |
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SimpleKeyValuePair option = convertOption( zValidOption ); |
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if ( option != null ) |
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if ( option != null ) { |
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mNewValidOptions.add( option ); |
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} |
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} |
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} |
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} |
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private void LLupdateValidOptions() |
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{ |
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if ( !mNewValidOptions.isEmpty() ) |
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private void LLupdateValidOptions() { |
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if ( !mNewValidOptions.isEmpty() ) { |
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// save the currently select & null it if it is the default option zero |
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SimpleKeyValuePair selected = convertOption( mFC.getSelectedKeyValuePair() ); |
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mFC.setSelectedIndex( -1 ); |
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// Remove all the old options |
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for ( SimpleKeyValuePair zValuePair : mValidOptions ) |
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for ( SimpleKeyValuePair zValuePair : mValidOptions ) { |
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mFC.removeItem( zValuePair ); |
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} |
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// Add all the new ones & note if old current selected was found |
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mValidOptions = new SimpleKeyValuePair[mNewValidOptions.size()]; |
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boolean found = false; |
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for ( int i = 0; i < mNewValidOptions.size(); i++ ) |
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{ |
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for ( int i = 0; i < mNewValidOptions.size(); i++ ) { |
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SimpleKeyValuePair option = (SimpleKeyValuePair) mNewValidOptions.get( i ); |
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found |= option.equals( selected ); |
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mFC.addItem( mValidOptions[i] = option ); |
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} |
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} |
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protected Object getComponentCurrentValue() |
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protected Object getComponentCurrentValue() { |
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Object rv = super.getComponentCurrentValue(); |
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return !areEqual( rv, mOptionZero ) ? rv : null; |
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} |
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protected void setComponentCurrentValue( Object pCurrentValue ) |
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if ( pCurrentValue == null ) |
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protected void setComponentCurrentValue( Object pCurrentValue ) { |
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if ( pCurrentValue == null ) { |
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pCurrentValue = mOptionZero; |
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} |
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super.setComponentCurrentValue( pCurrentValue ); |
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} |
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protected Serializable convertComponentValueToSendable( Object pValue ) |
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protected Serializable convertComponentValueToSendable( Object pValue ) { |
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return !areEqual( pValue, mOptionZero ) ? (Serializable) pValue : null; |
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} |
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protected Object convertSendableToComponentValue( Serializable pValue ) |
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protected Object convertSendableToComponentValue( Serializable pValue ) { |
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return convertOption( pValue ); |
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} |
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protected String convertComponentValueToString( Object pValue ) |
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if ( pValue instanceof SimpleKeyValuePair ) |
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protected String convertComponentValueToString( Object pValue ) { |
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if ( pValue instanceof SimpleKeyValuePair ) { |
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return "@" + ((SimpleKeyValuePair) pValue).getKey(); |
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} |
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return (pValue == null) ? "null" : "?" + pValue; |
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} |
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protected Object convertStringToComponentValue( String pValue ) |
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if ( (pValue == null) || pValue.equals( "null" ) ) |
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protected Object convertStringToComponentValue( String pValue ) { |
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if ( (pValue == null) || pValue.equals( "null" ) ) { |
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return null; |
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} |
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return pValue.startsWith( "@" ) ? pValue.substring( 1 ) : pValue; |
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} |
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public void focusOccured() |
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public void focusOccured() { |
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super.focusOccured(); |
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mHasFocus = true; |
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} |
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public void blurOccurred() |
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{ |
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public void blurOccurred() { |
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mHasFocus = false; |
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LLupdateValidOptions(); |
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super.blurOccurred(); |
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} |
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private SimpleKeyValuePair convertOption( Serializable pValue ) |
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if ( pValue == null ) |
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private SimpleKeyValuePair convertOption( Serializable pValue ) { |
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if ( pValue == null ) { |
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return null; |
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} |
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SimpleKeyValuePair rv = (pValue instanceof SimpleKeyValuePair) ? // |