litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.client.widgets.nonpublic; import org.litesoft.GWT.client.*; import org.litesoft.commonfoundation.base.*; import org.litesoft.ui.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; public class AbstractCssBackgroundButtonHelper implements OnBrowserEventListener { private static final State sREGULAR = new State( "Regular" ); private static final State sMOUSEOVER = new State( "Mouseover" ); private static final State sMOUSEDOWN = new State( "Mousedown" ); private static final State sDISABLED = new State( "Disabled" ); public static final State[] ALL_STATES = new State[]{sREGULAR, sMOUSEOVER, sMOUSEDOWN, sDISABLED}; private boolean mMouseOver = false; private boolean mMouseDown = false; private boolean mDisabled = false; protected Widget mWidget; private String mEnabledToolTip; private String mDisabledToolTip = null; protected State mCurrentState = null; private Element mSavedCaptureElement = null; public AbstractCssBackgroundButtonHelper( OnBrowserEventListenable pListenable, String pEnabledToolTip, String pDisabledToolTip ) { mWidget = pListenable.getOnBrowserEventListenableWidget(); if ( null != (mEnabledToolTip = ConstrainTo.significantOrNull( pEnabledToolTip )) ) { mWidget.setTitle( mEnabledToolTip ); mDisabledToolTip = pDisabledToolTip == null ? pDisabledToolTip : pDisabledToolTip.trim(); } pListenable.setOnBrowserEventListener( Event.MOUSEEVENTS, this ); } public String getEnabledToolTip() { return mEnabledToolTip; } public void setEnabledToolTip( String pEnabledToolTip ) { String zEnabledToolTip = ConstrainTo.significantOrNull( pEnabledToolTip ); if ( zEnabledToolTip != null ) { mEnabledToolTip = pEnabledToolTip; if ( isEnabled() ) { mWidget.setTitle( mEnabledToolTip ); } } } private State determineNewForm() { if ( mDisabled ) { return sDISABLED; } if ( mMouseDown ) { return sMOUSEDOWN; } if ( mMouseOver ) { return sMOUSEOVER; } return sREGULAR; } public AbstractCssBackgroundButtonHelper updateForm() { State zNewForm = determineNewForm(); if ( mCurrentState != zNewForm ) { if ( mCurrentState != null ) { removeCurrentState(); if ( mCurrentState == sMOUSEDOWN ) { DOM.releaseCapture( mWidget.getElement() ); if ( mSavedCaptureElement != null ) { DOM.setCapture( mSavedCaptureElement ); mSavedCaptureElement = null; } } } String zNewToolTip = mDisabledToolTip; if ( zNewForm != sDISABLED ) { zNewToolTip = mEnabledToolTip; if ( zNewForm == sMOUSEDOWN ) { mSavedCaptureElement = DOM.getCaptureElement(); if ( mSavedCaptureElement != null ) { DOM.releaseCapture( mSavedCaptureElement ); } DOM.setCapture( mWidget.getElement() ); } } mCurrentState = zNewForm; applyCurrentState(); if ( zNewToolTip != null ) { mWidget.setTitle( zNewToolTip ); } } return this; } protected void applyCurrentState() { mWidget.addStyleName( "" + mCurrentState ); } protected void removeCurrentState() { mWidget.removeStyleName( "" + mCurrentState ); } public boolean isEnabled() { return !mDisabled; } public void setEnabled( boolean pEnabled ) { mDisabled = !pEnabled; updateForm(); } @Override public boolean onBrowserEvent( Event pEvent ) { switch ( DOM.eventGetType( pEvent ) ) { case Event.ONMOUSEDOWN: UtilsGwt.eventPreventDefaultAndCancelBubble( pEvent ); onMouseDown( pEvent ); break; case Event.ONMOUSEUP: onMouseUp( pEvent ); break; case Event.ONMOUSEOVER: onMouseEnter( pEvent ); break; case Event.ONMOUSEOUT: onMouseLeave( pEvent ); break; case Event.ONMOUSEMOVE: UtilsGwt.eventPreventDefaultAndCancelBubble( pEvent ); default: break; } return !isEnabled(); } protected void onMouseDown( Event pEvent ) { mouseDown(); } protected void onMouseUp( Event pEvent ) { mouseUp(); } protected void onMouseEnter( Event pEvent ) { mouseEnter(); } protected void onMouseLeave( Event pEvent ) { mouseLeave(); } protected void mouseDown() { mMouseDown = true; updateForm(); } protected void mouseUp() { mMouseDown = false; updateForm(); } protected void mouseEnter() { mMouseOver = true; updateForm(); } protected void mouseLeave() { mMouseOver = false; updateForm(); } public static class State { private String mText; public State( String pText ) { mText = pText; } @Override public String toString() { return mText; } public String getURL( String pURLBaseGifExtentionAssumed ) { return pURLBaseGifExtentionAssumed + "-" + mText + ".gif"; } public String[] getURLsFor9cell( String pURLBaseGifExtentionAssumed ) { return generateURLs( pURLBaseGifExtentionAssumed + "/" + mText + "/", CompassPoint.values() ); } private String[] generateURLs( String pLeader, CompassPoint[] pCells ) { String[] rv = new String[pCells.length]; for ( int i = 0; i < pCells.length; i++ ) { rv[i] = pLeader + pCells[i] + ".gif"; } return rv; } } } |
Commits for litesoft/trunk/Java/GWT/Client/src/org/litesoft/GWT/client/widgets/nonpublic/AbstractCssBackgroundButtonHelper.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! |
939 Diff | GeorgeS | Mon 02 Jun, 2014 21:30:31 +0000 | Extracting commonfoundation |
801 Diff | GeorgeS | Wed 15 Aug, 2012 03:59:02 +0000 | |
390 Diff | GeorgeS | Sun 14 Aug, 2011 19:33:48 +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 |