Java tutorial
/* * Copyright 2000-2014 Vaadin Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.etest.valo; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.navigator.View; import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.ui.CheckBox; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.TabSheet; import com.vaadin.ui.TabSheet.SelectedTabChangeEvent; import com.vaadin.ui.TabSheet.SelectedTabChangeListener; import com.vaadin.ui.TabSheet.Tab; import com.vaadin.ui.VerticalLayout; public class Tabsheets extends VerticalLayout implements View { TabSheet tabs; public Tabsheets() { setMargin(true); Label h1 = new Label("Tabs"); h1.addStyleName("h1"); addComponent(h1); HorizontalLayout wrap = new HorizontalLayout(); wrap.setSpacing(true); wrap.addStyleName("wrapping"); addComponent(wrap); final CheckBox closable = new CheckBox("Closable"); closable.setImmediate(true); wrap.addComponent(closable); final CheckBox overflow = new CheckBox("Overflow"); overflow.setImmediate(true); wrap.addComponent(overflow); final CheckBox caption = new CheckBox("Captions", true); caption.setImmediate(true); wrap.addComponent(caption); final CheckBox icon = new CheckBox("Icons"); icon.setImmediate(true); wrap.addComponent(icon); final CheckBox disable = new CheckBox("Disable tabs"); disable.setImmediate(true); wrap.addComponent(disable); Label h3 = new Label("Additional Styles"); h3.addStyleName("h3"); addComponent(h3); wrap = new HorizontalLayout(); wrap.setSpacing(true); wrap.addStyleName("wrapping"); wrap.setMargin(new MarginInfo(false, false, true, false)); addComponent(wrap); final CheckBox framed = new CheckBox("Framed", true); framed.setImmediate(true); wrap.addComponent(framed); final CheckBox centered = new CheckBox("Centered tabs"); centered.setImmediate(true); wrap.addComponent(centered); final CheckBox rightAlign = new CheckBox("Right-aligned tabs"); rightAlign.setImmediate(true); wrap.addComponent(rightAlign); final CheckBox equal = new CheckBox("Equal-width tabs"); equal.setImmediate(true); wrap.addComponent(equal); final CheckBox padded = new CheckBox("Padded tabbar"); padded.setImmediate(true); wrap.addComponent(padded); final CheckBox compact = new CheckBox("Compact"); compact.setImmediate(true); wrap.addComponent(compact); final CheckBox iconsOnTop = new CheckBox("Icons on top"); iconsOnTop.setImmediate(true); wrap.addComponent(iconsOnTop); final CheckBox selectedOnly = new CheckBox("Selected tab closable"); selectedOnly.setImmediate(true); wrap.addComponent(selectedOnly); ValueChangeListener update = new ValueChangeListener() { @Override public void valueChange(ValueChangeEvent event) { String style = framed.getValue() ? "framed " : ""; style += centered.getValue() ? " centered-tabs" : ""; style += rightAlign.getValue() ? " right-aligned-tabs" : ""; style += equal.getValue() ? " equal-width-tabs" : ""; style += padded.getValue() ? " padded-tabbar" : ""; style += compact.getValue() ? " compact-tabbar" : ""; style += iconsOnTop.getValue() ? " icons-on-top" : ""; style += selectedOnly.getValue() ? " only-selected-closable" : ""; if (tabs != null) { removeComponent(tabs); } tabs = getTabSheet(caption.getValue(), style.trim(), closable.getValue(), overflow.getValue(), icon.getValue(), disable.getValue()); addComponent(tabs); } }; closable.addValueChangeListener(update); overflow.addValueChangeListener(update); caption.addValueChangeListener(update); icon.addValueChangeListener(update); disable.addValueChangeListener(update); framed.addValueChangeListener(update); centered.addValueChangeListener(update); rightAlign.addValueChangeListener(update); equal.addValueChangeListener(update); padded.addValueChangeListener(update); compact.addValueChangeListener(update); iconsOnTop.addValueChangeListener(update); selectedOnly.addValueChangeListener(update); // Generate initial view icon.setValue(true); } static TabSheet getTabSheet(boolean caption, String style, boolean closable, boolean scrolling, boolean icon, boolean disable) { TestIcon testIcon = new TestIcon(60); TabSheet ts = new TabSheet(); ts.addStyleName(style); StringGenerator sg = new StringGenerator(); for (int i = 1; i <= (scrolling ? 10 : 3); i++) { String tabcaption = caption ? sg.nextString(true) + " " + sg.nextString(false) : null; VerticalLayout content = new VerticalLayout(); content.setMargin(true); content.setSpacing(true); content.addComponent(new Label("Content for tab " + i)); if (i == 2) { content.addComponent(new Label( "Excepteur sint obcaecat cupiditat non proident culpa. Magna pars studiorum, prodita quaerimus.")); } Tab t = ts.addTab(content, tabcaption); t.setClosable(closable); t.setEnabled(!disable); // First tab is always enabled if (i == 1) { t.setEnabled(true); } if (icon) { t.setIcon(testIcon.get(false)); } } ts.addSelectedTabChangeListener(new SelectedTabChangeListener() { @Override public void selectedTabChange(SelectedTabChangeEvent event) { try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } } }); return ts; } @Override public void enter(ViewChangeEvent event) { // TODO Auto-generated method stub } }