TITLE:JTabbedPaneのTabTitleを左揃えに変更
#navi(../)
#tags(JTabbedPane, Alignment, JButton)
RIGHT:Posted by &author(aterai); at 2010-10-11
*JTabbedPaneのTabTitleを左揃えに変更 [#y839b018]
``JTabbedPane``の``TabTitle``をデフォルトに中央揃えから左揃えに変更します。
-&jnlp;
-&jar;
-&zip;
//#screenshot
#ref(http://lh5.ggpht.com/_9Z4BYR88imo/TQTU2Jp4a6I/AAAAAAAAAms/x6g2ML8eyyQ/s800/TabTitleAlignment.png)
**サンプルコード [#a4171eff]
#code(link){{
class MyTabbedPaneUI extends javax.swing.plaf.metal.MetalTabbedPaneUI {
@Override protected void layoutLabel(int tabPlacement,
FontMetrics metrics, int tabIndex,
String title, Icon icon,
Rectangle tabRect, Rectangle iconRect,
Rectangle textRect, boolean isSelected ) {
textRect.x = textRect.y = iconRect.x = iconRect.y = 0;
//...
SwingUtilities.layoutCompoundLabel((JComponent) tabPane,
metrics, title, icon,
SwingUtilities.CENTER,
SwingUtilities.LEFT, //CENTER, <----
SwingUtilities.CENTER,
SwingUtilities.TRAILING,
tabRect,
iconRect,
textRect,
textIconGap);
tabPane.putClientProperty("html", null);
textRect.translate(tabInsets.left, 0); //<----
textRect.width -= tabInsets.left+tabInsets.right;
//...
}
}
}}
**解説 [#m7c4ecf6]
-上
--デフォルト(中央揃え)
-中
--``WindowsTabbedPaneUI#layoutLabel(...)``などをオーバーライドして左揃えに変更
-下
--[[JTabbedPaneのタブを等幅にしてタイトルをクリップ>Swing/ClippedTitleTab]]、[http://docs.oracle.com/javase/tutorial/uiswing/examples/components/TabComponentsDemoProject/src/components/ButtonTabComponent.java ButtonTabComponent.java]を変更してタイトルを左揃え、``TabButton``(閉じる)を右揃え
#code{{
public ButtonTabComponent(final JTabbedPane pane) {
//unset default FlowLayout' gaps
//super(new FlowLayout(FlowLayout.LEFT, 0, 0));
super(new BorderLayout(0, 0));
//...
//add(button);
add(button, BorderLayout.EAST);
//...
}}
**参考リンク [#vd528ee3]
-[[JTabbedPaneのタブを等幅にしてタイトルをクリップ>Swing/ClippedTitleTab]]
-[http://docs.oracle.com/javase/tutorial/uiswing/examples/components/TabComponentsDemoProject/src/components/ButtonTabComponent.java ButtonTabComponent.java]
-[http://forums.oracle.com/forums/thread.jspa?threadID=1554158 OTN Discussion Forums : JTabbedPane title alignment]
-[http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4220177 Bug ID: 4220177 labels within JTabbedPane tabs should be alignable]
**コメント [#scc2e8ab]
#comment