litesoft
@ 917
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.forms.client.components.impls.input; import java.util.*; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.widgets.*; import org.litesoft.GWT.forms.client.components.*; import org.litesoft.GWT.forms.client.components.nonpublic.*; import org.litesoft.core.simpletypes.*; import org.litesoft.core.typeutils.*; import org.litesoft.core.typeutils.Objects; import org.litesoft.ui.*; import org.litesoft.uispecification.*; import com.google.gwt.event.dom.client.*; import com.google.gwt.user.client.ui.*; public class FormComboBox extends AbstractFocusWidgetErrorableFormElement { public FormComboBox( String pFieldLabel, UiFont pLabelFont, String pTooltip, FormComboBoxFocusWidget pComboBox, boolean pAddStyle ) { super( pComboBox, pTooltip, "frmCmbBox", pAddStyle ); initialize( pFieldLabel, pLabelFont, pTooltip ); } public FormComboBox( String pFieldLabel, UiFont pLabelFont, String pTooltip, SimpleKeyValuePair pOptionZero ) { this( pFieldLabel, pLabelFont, pTooltip, new NativeFormComboBox(), false ); addItem( pOptionZero ); } public FormComboBox( String pFieldLabel, UiFont pLabelFont, String pTooltip, String pOptionZero ) { this( pFieldLabel, pLabelFont, pTooltip, convertToKeyValuePair( pOptionZero ) ); } public FormComboBox( String pFieldLabel, UiFont pLabelFont, String pTooltip ) { this( pFieldLabel, pLabelFont, pTooltip, (SimpleKeyValuePair) null ); } @Override protected void initialize( String pFieldLabel, UiFont pLabelFont, String pTooltip ) { super.initialize( pFieldLabel, pLabelFont, pTooltip ); getComboBox().addChangeHandler( new ChangeHandler() { @Override public void onChange( ChangeEvent event ) { fireChangeListeners(); } } ); } // SizeManaged @Override public void relayout() { Widget parent = getParent(); if ( parent instanceof SizeManaged ) { ((SizeManaged) parent).relayout(); } } // IFormComponent @Override public Object getCurrentValue() { return getSelectedKeyValuePair(); } @Override public void setCurrentValue( Object pNewValue ) { if ( pNewValue != null ) { if ( pNewValue instanceof String ) { setSelected( (String) pNewValue ); return; } if ( pNewValue instanceof SimpleKeyValuePair ) { setSelected( (SimpleKeyValuePair) pNewValue ); return; } throw new IllegalArgumentException( "Not a String or a SimpleKeyValuePair, but a '" + pNewValue.getClass() + "': " + pNewValue ); } } // Support... @Override public void simulateUserTextEntry( String pText ) { int zCurrentSelected = getSelectedIndex(); setSelectedIndex( determineItemToSelect( Strings.deNull( pText ).trim() ) ); if ( zCurrentSelected != getSelectedIndex() ) { fireChangeListeners(); } pullFocusTo( (Focusable) getComboBox() ); } private int determineItemToSelect( String pText ) { FormComboBoxFocusWidget zCB = getComboBox(); for ( int zIndex = zCB.getItemCount(); --zIndex >= 0; ) { String zValue = zCB.getValue( zIndex ); String zKeyPairValue = mManager.getPairBySubmitValue( zValue ).toStringValue(); if ( pText.equals( Strings.deNull( zKeyPairValue ).trim() ) ) { return zIndex; } } throw new IllegalArgumentException( "simulateUserTextEntry on '" + mFieldLabel + "' to:" + pText ); } public FormComboBox addItems( String... pKeyAndDisplayValues ) { if ( pKeyAndDisplayValues != null ) { for ( String zKeyAndDisplayValue : pKeyAndDisplayValues ) { addItem( zKeyAndDisplayValue ); } } return this; } public FormComboBox addItems( SimpleKeyValuePair... pKeyValuePairs ) { if ( pKeyValuePairs != null ) { for ( SimpleKeyValuePair zKeyValuePair : pKeyValuePairs ) { addItem( zKeyValuePair ); } } return this; } public void setSelected( String pKeyAndDisplayValue ) { setSelected( convertToKeyValuePair( pKeyAndDisplayValue ) ); } public void addItem( String pKeyAndDisplayValue ) { addItem( convertToKeyValuePair( pKeyAndDisplayValue ) ); } public void removeItem( String pKeyAndDisplayValue ) { removeItem( convertToKeyValuePair( pKeyAndDisplayValue ) ); } public void setSelected( String pKey, String pDisplayValue ) { setSelected( convertToKeyValuePair( pKey, pDisplayValue ) ); } public void addItem( String pKey, String pDisplayValue ) { addItem( convertToKeyValuePair( pKey, pDisplayValue ) ); } public void removeItem( String pKey, String pDisplayValue ) { removeItem( convertToKeyValuePair( pKey, pDisplayValue ) ); } public void setSelected( SimpleKeyValuePair pNewSelectedKeyValuePair ) { int zIx = -1; if ( pNewSelectedKeyValuePair != null ) { if ( -1 == (zIx = indexOf( pNewSelectedKeyValuePair )) ) { addItem( pNewSelectedKeyValuePair ); zIx = indexOf( pNewSelectedKeyValuePair ); } } setSelectedIndex( zIx ); } public void addItem( SimpleKeyValuePair pKeyValuePair ) { if ( pKeyValuePair != null ) { String zComboBoxDisplayValue = pKeyValuePair.toStringValue(); String zComboBoxSubmitValue = "" + (++mLastComboBoxSubmitValue); addItemToComboBox( zComboBoxDisplayValue, zComboBoxSubmitValue ); mManager.add( zComboBoxSubmitValue, pKeyValuePair ); } } public void removeItem( SimpleKeyValuePair pKeyValuePair ) { int at = indexOf( pKeyValuePair ); if ( at != -1 ) { removeItemFromComboBox( at ); mManager.remove( pKeyValuePair ); } } public SimpleKeyValuePair getSelectedKeyValuePair() { int zIx = getSelectedIndex(); if ( zIx == -1 ) { return null; } String zSelectedSubmitValue = getSubmitValueFromComboBox( zIx ); return mManager.getPairBySubmitValue( zSelectedSubmitValue ); } private int mLastComboBoxSubmitValue = 0; private PairSubmitValueManager mManager = new PairSubmitValueManager(); private int indexOf( SimpleKeyValuePair pKeyValuePair ) { if ( pKeyValuePair != null ) { String zComboBoxSubmitValue = mManager.getSubmitValueByPair( pKeyValuePair ); if ( zComboBoxSubmitValue != null ) { int zItemCount = getItemCountFromComboBox(); for ( int i = 0; i < zItemCount; i++ ) { String zSubmitValue = getSubmitValueFromComboBox( i ); if ( zComboBoxSubmitValue.equals( zSubmitValue ) ) { return i; } } } } return -1; } public int getSelectedIndex() { try { return getComboBox().getSelectedIndex(); } catch ( RuntimeException e ) { errorFromComboBox( "getSelectedIndex", e ); return -1; } } public void setSelectedIndex( int pSelectedIndex ) { try { getComboBox().setSelectedIndex( pSelectedIndex ); } catch ( RuntimeException e ) { errorFromComboBox( "setSelectedIndex", e ); } } private int getItemCountFromComboBox() { try { return getComboBox().getItemCount(); } catch ( RuntimeException e ) { errorFromComboBox( "getItemCountFromComboBox", e ); return 0; } } private void addItemToComboBox( String pComboBoxDisplayValue, String pComboBoxSubmitValue ) { try { getComboBox().addItem( pComboBoxDisplayValue, pComboBoxSubmitValue ); } catch ( RuntimeException e ) { errorFromComboBox( "addItemToComboBox", e ); } } private void removeItemFromComboBox( int pAt ) { try { getComboBox().removeItem( pAt ); } catch ( RuntimeException e ) { errorFromComboBox( "removeItemFromComboBox", e ); } } private String getSubmitValueFromComboBox( int pAt ) { try { return getComboBox().getValue( pAt ); } catch ( RuntimeException e ) { errorFromComboBox( "getSubmitValueFromComboBox", e ); return null; } } public FormComboBoxFocusWidget getComboBox() { return (FormComboBoxFocusWidget) mInputWidget; } public boolean areOptionsAlwaysUpdatable() { return (mInputWidget instanceof ComboBoxOptionsAlwaysUpdatable); } private void errorFromComboBox( String pWhat, RuntimeException pRTE ) { String zComboBoxType = Objects.justClassNameOf( mInputWidget ); String zBody = "There was a problem with the FormComboBox\n" +// " interacting with " + zComboBoxType + "\n" +// " thru " + pWhat; AlertManager.alert( "FormComboBox", "Error", zBody, pRTE ); } private static SimpleKeyValuePair convertToKeyValuePair( String pKeyAndDisplayValue ) { return (pKeyAndDisplayValue != null) ? convertToKeyValuePair( pKeyAndDisplayValue, pKeyAndDisplayValue ) : null; } private static SimpleKeyValuePair convertToKeyValuePair( String pKey, String pDisplayValue ) { return new StringKeyValuePair( pKey, pDisplayValue ); } private static class PairSubmitValueManager { private Map mComboBoxSubmitValuesToPairs = new HashMap(); private Map mPairKeysToComboBoxSubmitValues = new HashMap(); public void remove( SimpleKeyValuePair pKeyValuePair ) { String zComboBoxSubmitValue = (String) mPairKeysToComboBoxSubmitValues.remove( pKeyValuePair.getKey() ); mComboBoxSubmitValuesToPairs.remove( zComboBoxSubmitValue ); } public void add( String pComboBoxSubmitValue, SimpleKeyValuePair pKeyValuePair ) { //noinspection unchecked mPairKeysToComboBoxSubmitValues.put( pKeyValuePair.getKey(), pComboBoxSubmitValue ); //noinspection unchecked mComboBoxSubmitValuesToPairs.put( pComboBoxSubmitValue, pKeyValuePair ); } public SimpleKeyValuePair getPairBySubmitValue( String pComboBoxSubmitValue ) { return (SimpleKeyValuePair) mComboBoxSubmitValuesToPairs.get( pComboBoxSubmitValue ); } public String getSubmitValueByPair( SimpleKeyValuePair pKeyValuePair ) { return (String) mPairKeysToComboBoxSubmitValues.get( pKeyValuePair.getKey() ); } } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/forms/client/components/impls/input/FormComboBox.java
Revision | Author | Commited | Message |
---|---|---|---|
917 Diff | GeorgeS | Sun 08 Dec, 2013 20:49:56 +0000 | 1.7 prep & VersionedStaticContentFilter upgrade to new “/ver” model! |
811 Diff | GeorgeS | Sat 18 Aug, 2012 13:45:18 +0000 | |
802 Diff | GeorgeS | Wed 15 Aug, 2012 04:04:47 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
23 Diff | GeorgeS | Wed 24 Feb, 2010 00:34:32 +0000 | |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |