/* * GWT-Ext Widget Library * Copyright(c) 2007-2008, GWT-Ext. * licensing@gwt-ext.com * * http://www.gwt-ext.com/license */ import com.google.gwt.core.client.EntryPoint; import com.google.gwt.user.client.ui.RootPanel; import com.gwtext.client.core.Ext; import com.gwtext.client.core.ExtElement; import com.gwtext.client.widgets.Panel; import com.gwtext.client.widgets.form.Checkbox; import com.gwtext.client.widgets.form.FormPanel; import com.gwtext.client.widgets.form.TextField; import com.gwtext.client.widgets.form.event.CheckboxListenerAdapter; import com.gwtext.client.widgets.layout.HorizontalLayout; public class MaskingSample implements EntryPoint { public void onModuleLoad() { Panel panel = new Panel(); panel.setBorder(false); panel.setPaddings(15); panel.setLayout(new HorizontalLayout(15)); FormPanel formPanel = new FormPanel(); formPanel.setTitle("Mask Region"); formPanel.setBorder(false); formPanel.setFrame(true); formPanel.setWidth(400); formPanel.setLabelWidth(100); final TextField maskField = new TextField("Mask Message", "maskMessage", 175); maskField.setSelectOnFocus(true); formPanel.add(maskField); Checkbox maskNav = new Checkbox(); maskNav.setBoxLabel("Mask Panel"); maskNav.addListener(new CheckboxListenerAdapter() { public void onCheck(Checkbox field, boolean checked) { String message = maskField.getText(); final ExtElement element = Ext.get("mask-panel"); if (checked) { if (message.trim().equals("")) { element.mask(); } else { element.mask(message); } } else { element.unmask(); } } }); formPanel.add(maskNav); panel.add(formPanel); Panel maskPanel = new Panel("Mask Me", "Some content here.."); maskPanel.setId("mask-panel"); maskPanel.setWidth(150); maskPanel.setHeight(150); panel.add(maskPanel); RootPanel.get().add(panel); } }