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render renameField on POPUP_LAYER and size it to the text
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src/main/java/app/pane/explorer/Item.java
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src/main/java/app/pane/explorer/Item.java
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Insets;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.RenderingHints;
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import java.awt.TexturePaint;
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import java.awt.event.MouseEvent;
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import java.awt.image.BufferedImage;
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import javax.swing.event.DocumentEvent;
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import javax.swing.event.DocumentListener;
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import javax.swing.AbstractAction;
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import javax.swing.BorderFactory;
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import javax.swing.JLayeredPane;
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import javax.swing.Icon;
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import javax.swing.JMenuItem;
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import javax.swing.JOptionPane;
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{
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if (renameField == null)
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return;
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remove(renameField);
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var layeredPane = getRootPane().getLayeredPane();
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layeredPane.remove(renameField);
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layeredPane.repaint();
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renameField = null;
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repaint();
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}
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renameField = new JTextField(currentName);
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renameField.setHorizontalAlignment(JTextField.CENTER);
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renameField.setBounds(x, labelY, w, labelH);
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renameField.selectAll();
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renameField.setFont(renameField.getFont().deriveFont(12f));
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renameField.setBorder(null);
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renameField.setMargin(new Insets(0, 0, 0, 0));
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final JLayeredPane layeredPane = getRootPane().getLayeredPane();
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final int localCenterX = x + w / 2;
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final int localY = labelY;
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Runnable resizeRenameField = () -> {
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FontMetrics fm = renameField.getFontMetrics(renameField.getFont());
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int textW = fm.stringWidth(renameField.getText()) + fm.charWidth('W');
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int fieldW = Math.max(w, textW);
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Point origin = SwingUtilities.convertPoint(Item.this, localCenterX - fieldW / 2, localY, layeredPane);
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renameField.setBounds(origin.x, origin.y, fieldW, labelH);
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};
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resizeRenameField.run();
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renameField.getDocument().addDocumentListener(new DocumentListener() {
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@Override
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public void insertUpdate(DocumentEvent e) { resizeRenameField.run(); }
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@Override
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public void removeUpdate(DocumentEvent e) { resizeRenameField.run(); }
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@Override
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public void changedUpdate(DocumentEvent e) { resizeRenameField.run(); }
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});
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Runnable commit = () -> {
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if (renameField == null)
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}
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});
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add(renameField);
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revalidate();
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layeredPane.add(renameField, JLayeredPane.POPUP_LAYER);
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layeredPane.revalidate();
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renameField.requestFocusInWindow();
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}
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···
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// Icon
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if (icon != null) {
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int iconW = icon.getIconWidth();
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int iconH = icon.getIconHeight();
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int iconW = Math.min(icon.getIconWidth(), AssetHandle.THUMBNAIL_WIDTH);
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int iconH = Math.min(icon.getIconHeight(), AssetHandle.THUMBNAIL_HEIGHT);
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int iconX = x + (w - iconW) / 2;
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int iconY = y + (iconAreaH - iconH) / 2;
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if (checkerboard)
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paintCheckerboard(g2, iconX, iconY, iconW, iconH);
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icon.paintIcon(this, g2, iconX, iconY);
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Graphics2D clipped = (Graphics2D) g2.create(iconX, iconY, iconW, iconH);
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icon.paintIcon(this, clipped, 0, 0);
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clipped.dispose();
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}
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// Name label with ellipsis (hidden during inline rename)
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if (renameField == null) {
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g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g2.setColor(UIManager.getColor("Label.foreground"));
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g2.setFont(getFont());
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g2.setFont(getFont().deriveFont(12f));
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FontMetrics fm = g2.getFontMetrics();
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String displayText = name;