litesoft
@ 939
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets.nonpublic; import org.litesoft.commonfoundation.typeutils.*; import com.google.gwt.dom.client.*; import com.google.gwt.event.dom.client.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; public class TextBoxBaseChangeListenableHelper implements FocusHandler, BlurHandler { private Timer mTimer = null; private String mText = ""; private TextBoxBase mTextBoxBase; public TextBoxBaseChangeListenableHelper( TextBoxBase pTextBoxBase ) { mTextBoxBase = pTextBoxBase; pTextBoxBase.addFocusHandler( this ); pTextBoxBase.addBlurHandler( this ); } public void setText( String pText ) { mText = Strings.deNull( pText ); } private void captureFieldValue() { mText = getCurrentText(); } private boolean textBoxBaseTextChanged() { String value = getCurrentText(); if ( !mText.equals( value ) ) { mText = value; return true; } return false; } private String getCurrentText() { return Strings.deNull( mTextBoxBase.getText() ); } private void checkForChange() { if ( textBoxBaseTextChanged() ) { fireChangeListeners(); } } @Override public void onBlur( BlurEvent event ) { if ( mWidgetIsFocused ) { mWidgetIsFocused = false; checkForChange(); stopTimer(); } } private boolean mWidgetIsFocused = false; @Override public void onFocus( FocusEvent event ) { mWidgetIsFocused = true; captureFieldValue(); startTimer(); } private void fireChangeListeners() { NativeEvent zEvent = Document.get().createChangeEvent(); mTextBoxBase.getElement().dispatchEvent( zEvent ); } public void onDetach() { stopTimer(); } private void startTimer() { stopTimer(); mTimer = new Timer() { @Override public void run() { checkForChange(); } }; mTimer.scheduleRepeating( 250 ); } private void stopTimer() { if ( mTimer != null ) { mTimer.cancel(); mTimer = null; } } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/client/widgets/nonpublic/TextBoxBaseChangeListenableHelper.java
Revision | Author | Commited | Message |
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939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
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 |