1 /*
   2  * Copyright (c) 2012, 2014, 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.oracle.javafx.scenebuilder.kit.editor.panel.inspector.editors;
  33 
  34 import java.util.Locale;
  35 import javafx.scene.input.Clipboard;
  36 
  37 /**
  38  * Define a text field that accept only doubles.
  39  *
  40  *
  41  */
  42 public class DoubleField extends NumberField {
  43 
  44     public DoubleField() {
  45     }
  46 
  47     @Override
  48     public void replaceText(int start, int end, String text) {
  49         String newText = getNewText(start, end, text);
  50         if (!text.isEmpty() && // Always allow text deletion
  51                 !partOfConstants(newText)
  52                 && (!newText.equals("-") && !newText.equals(".") && !newText.equals("-."))) {
  53             try {
  54                 if (newText.toLowerCase(Locale.ROOT).contains("d") || newText.toLowerCase(Locale.ROOT).contains("f")) {
  55                     // 'd' and 'f' are valid for a Double,
  56                     // but we don't want to accept them in the editor
  57                     return;
  58                 }
  59                 // Replace ',' by '.'
  60                 newText = newText.replace(',', '.');
  61                 Double.parseDouble(newText);
  62             } catch (NumberFormatException e) {
  63                 return;
  64             }
  65         }
  66         // Replace ',' by '.'
  67         text = text.replace(',', '.');
  68         super.replaceText(start, end, text);
  69     }
  70 
  71     @Override
  72     public void paste() {
  73         String strToPaste = Clipboard.getSystemClipboard().getString();
  74         try {
  75             Double.parseDouble(strToPaste);
  76         } catch (NumberFormatException e) {
  77             return;
  78         }
  79         super.paste();
  80     }
  81 }