Package com.google.gwt.event.dom.client

Examples of com.google.gwt.event.dom.client.ChangeHandler

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            if ( this.constraint.getValue() != null && this.constraint.getValue().equals( var ) ) {
                box.setSelectedIndex( box.getItemCount() - 1 );
            }
        }

        box.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                executeOnValueChangeCommand();
                int selectedIndex = box.getSelectedIndex();
                if ( selectedIndex > 0 ) {
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                         final DropDownData dropData,
                         boolean multipleSelect ) {
        super( multipleSelect );
        this.valueChangedCommand = valueChanged;

        addChangeHandler( new ChangeHandler() {
            public void onChange( ChangeEvent event ) {
                valueChangedCommand.valueChanged( encodeSelectedItems(),
                                                  encodeSelectedItems() );
            }
        } );
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            }

        } );

        //Signal parent Widget whenever a change happens
        box.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                String selected = box.getValue( box.getSelectedIndex() );
                String selectedText = box.getItemText( box.getSelectedIndex() );
                OperatorSelection selection = new OperatorSelection( selected,
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            startPoint.addItem( v,
                                VARIABLE_VALUE_PREFIX + "." + v );
        }

        startPoint.setVisibleItemCount( 1 );
        startPoint.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                ListBox lb = (ListBox) event.getSource();
                int index = lb.getSelectedIndex();
                if ( index > 0 ) {
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    private Widget getWidgetForCurrentType() {
        if ( expression.isEmpty() ) {
            return createStartPointWidget();
        }

        ChangeHandler ch = new ChangeHandler() {
            public void onChange( ChangeEvent event ) {
                ListBox box = (ListBox) event.getSource();
                panel.remove( box );
                if ( box.getSelectedIndex() > 0 ) {
                    onChangeSelection( box.getValue( box.getSelectedIndex() ) );
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            }
        }

        //Add event handler
        if ( listVariable.getItemCount() > 0 ) {
            listVariable.addChangeHandler( new ChangeHandler() {

                public void onChange( ChangeEvent event ) {
                    ListBox w = (ListBox) event.getSource();
                    value.setValue( "=" + w.getValue( w.getSelectedIndex() ) );
                    executeOnChangeCommand();
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        }

        //Default editor for all other literals
        final TextBox box = TextBoxFactory.getTextBox( value.getType() );
        box.setStyleName( "constraint-value-Editor" );
        box.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                value.setValue( box.getText() );
                executeOnChangeCommand();
                makeDirty();
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        //TODO: Add Facts that extedns Collection
        //        box.addItem("...");
        //        box.addItem("TODO: Add Facts that extedns Collection");

        box.setSelectedIndex( 0 );
        box.addChangeHandler( new ChangeHandler() {
            public void onChange( ChangeEvent event ) {
                pattern.setFactPattern( new FactPattern( box.getValue( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
                popup.hide();
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        final FormStylePopup popup = new FormStylePopup();
        popup.setTitle( Constants.INSTANCE.NewFactPattern() );
        popup.addAttribute( Constants.INSTANCE.chooseFactType(),
                            box );
        box.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                getFromCollectPattern().setRightPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
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        final FormStylePopup popup = new FormStylePopup();
        popup.setTitle( Constants.INSTANCE.NewFactPattern() );
        popup.addAttribute( Constants.INSTANCE.chooseFactType(),
                            box );
        box.addChangeHandler( new ChangeHandler() {

            public void onChange( ChangeEvent event ) {
                pattern.setFactPattern( new FactPattern( box.getItemText( box.getSelectedIndex() ) ) );
                setModified( true );
                getModeller().refreshWidget();
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