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    <p>See the <a href="http://docs.oracle.com/javase/tutorial/uiswing/dnd/intro.html" rel="nofollow noreferrer">Introduction to DnD</a> in the tutorial to develop some code that works. </p> <hr> <blockquote> <p><em>Please see the screenshot on the first post to see what is a specification of nice.</em> </p> <p>The only custom part is the dashed border of the downward pointing arrow, and the text below it. You might use an icon (for the arrow/border) in a <code>JLabel</code> with HTML formatting for the text, to achieve that. </p> </blockquote> <h2>E.G.</h2> <p><img src="https://i.stack.imgur.com/KeWhy.png" alt="Icon with HTML formatted text in label"></p> <pre><code>package test.t100.t006; import javax.swing.Icon; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.SwingConstants; import javax.swing.SwingUtilities; import javax.swing.UIManager; public class DrawLabel { public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable(){ public void run() { // substitute for downward pointing arrow with dashed border Object obj = UIManager.getDefaults() .get("OptionPane.warningIcon"); if (obj!=null &amp;&amp; obj instanceof Icon) { Icon icon = (Icon)obj; String text = "&lt;html&gt;&lt;body&gt;Drag &lt;em&gt;&lt;b&gt;Stuff&lt;/b&gt;&lt;/em&gt; Here"; JLabel l = new JLabel( text, icon, SwingConstants.HORIZONTAL); l.setVerticalTextPosition(SwingConstants.BOTTOM); l.setHorizontalTextPosition(SwingConstants.CENTER); JOptionPane.showMessageDialog( null, l); } } }); } } </code></pre>
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    1. POJava application with fancy Drag & Drop
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    1. COPlease see the screenshot on the first post to see what is a specification of nice.
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    2. COYou know exactly, what he means. ;) He wants a space (JLabel or so) where he can drop files in, like in this AppZapper. Your link will help him and then he can come back with more specific questions if there are any. +1
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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