zk binding

<zk>
	<window>
		<zscript>
			<![CDATA[
			    import com.wsm.mmo.beans.Table;
			    import com.wsm.zul.models.TablesModel;
			    import org.zkoss.bind.impl.BinderImpl;
			    
			    TablesModel model = new TablesModel();
			    
				void doOrientationChange(ClientInfoEvent evt) {
				    if ("portrait".equals(evt.getOrientation())) {
				        main.setWidth("100%");
				        Clients.resize(content);
				    } else {
				        if (!execution.isBrowser("mobile"))
				            main.setWidth("100%");
				        else
				            main.setWidth("80%");
				        Clients.resize(content);
				    }
				}
				
				void changeSomething() {
					Table tab = model.getTables().get(0);
					model.setCurrentTable(tab);
					tab.setDescription("cicciociccio1");
					model.setTable();
				}
			]]>
		</zscript>
		<vlayout id="main" onClientInfo="doOrientationChange((ClientInfoEvent)event)" width="${zk.mobile > 0 ? '80%' : '100%'}" apply="com.wsm.zul.controllers.TablesController" viewModel="@id('vm') @init(model)">
			<div id="content" sclass="main-content">
				<textbox id="mainTrigger" onChange="@command('refreshTables')"></textbox>
				<grid id="gridTables" model="@bind(vm.tables)" mold="paging" autopaging="true" vflex="true" >
					<auxhead>
	            		<auxheader label="Table List" colspan="5" />
	        		</auxhead>
	        		<columns>
	            		<column width="60px">Id</column>
	            		<column hflex="4">Table Name</column>
	            		<column hflex="5">Num Players</column>
	            		<column hflex="2">Buy In</column>
			        </columns>
			        <template name="model" var="table">
	                    <row>
	                    	<label value="@bind(table.tableid)"/>
		                    <label value="@bind(table.description)"/>
		                    <label value="@bind(table.numPlayer)"/>
		                    <label value="@bind(table.buy_in)"/>
	                    </row>
	            	</template>
				</grid>
			</div>
			<button onClick="changeSomething()" label="Change 1" /><button onClick="@command('setTable')" label="Change 2" />
		</vlayout>
	</window>
</zk>