1 /* 2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. 3 * All rights reserved. Use is subject to license terms. 4 * 5 * This file is available and licensed under the following license: 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * - Neither the name of Oracle Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package com.javafx.experiments.scheduleapp.control; 33 34 import static com.javafx.experiments.scheduleapp.Theme.*; 35 import javafx.scene.control.skin.ListCellSkin; 36 import javafx.scene.control.skin.ListViewSkin; 37 import javafx.event.EventHandler; 38 import javafx.geometry.Bounds; 39 import javafx.scene.control.ListCell; 40 import javafx.scene.control.ListView; 41 import javafx.scene.image.ImageView; 42 import javafx.scene.input.MouseEvent; 43 import javafx.util.Callback; 44 45 /** 46 * Special ListView designed to look like "Text... >" tree list. Perhaps we ought to have customized 47 * a TreeView instead of a ListView (as the TreeView already has the data model all defined). 48 * 49 * This implementation minimizes classes by just having the PopoverTreeList implementing everything 50 * (it is the Control, the Skin, and the CellFactory all in one). 51 */ 52 public class PopoverTreeList<T> extends ListView<T> implements Callback<ListView<T>, ListCell<T>> { 53 54 public PopoverTreeList(){ 55 getStyleClass().clear(); 56 setSkin(new ListViewSkin<T>(this)); 57 setCellFactory(this); 58 } 59 60 @Override public ListCell<T> call(ListView<T> p) { 61 return new TreeItemListCell(); 62 } 63 64 protected void itemClicked(T item) {} 65 66 private class TreeItemListCell extends ListCell<T> implements EventHandler<MouseEvent> { 67 private ImageView arrow = new ImageView(RIGHT_ARROW); 68 69 private TreeItemListCell() { 70 super(); 71 getStyleClass().setAll("popover-tree-list-cell"); 72 setSkin(new ListCellSkin(this)); 73 setFont(BASE_FONT); 74 setTextFill(DARK_GREY); 75 getChildren().add(arrow); 76 setOnMouseClicked(this); 77 } 78 79 @Override public void handle(MouseEvent t) { 80 itemClicked(getItem()); 81 } 82 83 @Override protected double computePrefWidth(double height) { 84 return 100; 85 } 86 87 @Override protected double computePrefHeight(double width) { 88 return 44; 89 } 90 91 @Override protected void layoutChildren() { 92 super.layoutChildren(); 93 final int w = (int)getWidth(); 94 final int h = (int)getHeight(); 95 final int centerX = (int)(w/2d); 96 final int centerY = (int)(h/2d); 97 final Bounds arrowBounds = arrow.getLayoutBounds(); 98 arrow.setLayoutX(w - arrowBounds.getWidth() - 12); 99 arrow.setLayoutY((int)((h - arrowBounds.getHeight())/2d)); 100 } 101 102 // CELL METHODS 103 @Override protected void updateItem(T item, boolean empty) { 104 // let super do its work 105 super.updateItem(item,empty); 106 // update our state 107 if (item == null) { // empty item 108 setText(null); 109 arrow.setVisible(false); 110 } else { 111 setText(item.toString()); 112 arrow.setVisible(true); 113 } 114 } 115 } 116 }