litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets; import java.util.*; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.commands.*; import org.litesoft.GWT.client.widgets.nonpublic.*; import org.litesoft.core.typeutils.*; import com.google.gwt.user.client.ui.*; import com.google.gwt.user.client.*; public class ContextMenuPopup extends AbstractContextPopup { public ContextMenuPopup() { super( true ); } public ContextMenuPopup( PopupListener pListener ) { this(); if ( pListener != null ) { addPopupListener( pListener ); } } public ContextMenuPopup( IMenuableDef[] pMenuables ) { this( pMenuables, null ); } public ContextMenuPopup( IMenuableDef[] pMenuables, PopupListener pListener ) { this( pListener ); setMenuables( pMenuables ); } public void setMenuables( final IMenuableDef[] pMenuables ) { Objects.assertNotNull( "IMenuableDefs", pMenuables ); boolean hasIconURL = false; final List zCmds = new ArrayList(); for ( int i = 0; i < pMenuables.length; i++ ) { IMenuableDef zDef = pMenuables[i]; if ( zDef != null ) { IconTextCommand zCmd; if ( zDef instanceof IconTextCommand ) { zCmd = (IconTextCommand) zDef; } else if ( zDef instanceof TextCommand ) { zCmd = new CMTCproxy( (TextCommand) zDef ); } else { continue; } hasIconURL |= zCmd.hasIconURL(); zCmds.add( zCmd ); } } if ( zCmds.isEmpty() ) { throw new IllegalArgumentException( "No MenuableDefs provided" ); } mGrid = new TightGrid( zCmds.size(), hasIconURL ? 2 : 1 ); for ( int i = 0; i < zCmds.size(); i++ ) { IconTextCommand zCmd = (IconTextCommand) zCmds.get( i ); int col = 0; if ( hasIconURL ) { String url = zCmd.getIconURL(); Image icon = new Image( url ); mGrid.setWidget( i, col++, icon ); } Label txtLabel = new Label( zCmd.getText() ); mGrid.setWidget( i, col, txtLabel ); } mGrid.setOnBrowserEventListener( Event.MOUSEEVENTS, new OnBrowserEventListener() { public boolean onBrowserEvent( Event event ) { switch ( DOM.eventGetType( event ) ) { case Event.ONMOUSEUP: UtilsGwt.eventPreventDefaultAndCancelBubble( event ); // todo... case Event.ONMOUSEOVER: case Event.ONMOUSEOUT: case Event.ONMOUSEDOWN: case Event.ONMOUSEMOVE: default: break; } return false; } } ); mGrid.addTableListener( new TableListener() { public void onCellClicked( SourcesTableEvents sender, int row, int cell ) { DeferredCommand.addCommand( (Command) zCmds.get( row ) ); hide(); } } ); } private TightGrid mGrid = null; protected Widget createPopupWidget() { return mGrid; } private static class CMTCproxy extends IconTextCommand { private TextCommand mTextCommand; public CMTCproxy( TextCommand pTextCommand ) { super( null, pTextCommand.getText() ); mTextCommand = pTextCommand; } public void enabledExecute() { mTextCommand.enabledExecute(); } } } |