Initial commit of multiasset branch

src/opensesim/gui/util/JTextFieldLimit.java

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2018, 7u83 <7u83@mail.ru>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package opensesim.gui.util;
+
+import javax.swing.JTextField;
+import javax.swing.text.AttributeSet;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.PlainDocument;
+
+/**
+ *
+ * @author 7u83 <7u83@mail.ru>
+ */
+public class JTextFieldLimit extends JTextField {
+
+ /*  JTextFieldLimit() {
+        super();
+        this.setDocument(new PlainDocumentLimit());
+        setLimit(0);
+    }
+   */ 
+    private int limit;
+    
+    
+    public final void setLimit(int limit){
+        this.limit = limit;
+        String text = getText();
+        setDocument(new PlainDocumentLimit());        
+        setText(text);
+    }
+    
+    public final int getLimit(){
+        return limit;
+    }
+        
+    class PlainDocumentLimit extends PlainDocument {
+
+        //private int limit;
+
+        PlainDocumentLimit() {
+            super();
+        
+        }
+
+        @Override
+        public void insertString(int offset, String str, AttributeSet attr) throws BadLocationException {
+            if (str == null) {
+                return;
+            }
+            if ((getLength() + str.length()) <= limit || limit==0) {
+                super.insertString(offset, str, attr);
+            }
+        }
+    }
+
+}