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目前我使用TreeEditor時有小錯誤。我的代碼:Java TreeEditor用戶界面錯誤
package test;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TreeEditor;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.swt.widgets.TreeItem;
public class Test {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
Tree tree = new Tree(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
tree.setHeaderVisible(true);
TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
column1.setText("Column 1");
column1.setWidth(200);
TreeColumn column2 = new TreeColumn(tree, SWT.CENTER);
column2.setText("Column 2");
column2.setWidth(200);
TreeColumn column3 = new TreeColumn(tree, SWT.RIGHT);
column3.setText("Column 3");
column3.setWidth(200);
TreeColumn column4 = new TreeColumn(tree, SWT.LEFT);
column4.setText("Column 4");
column4.setWidth(200);
for (int i = 0; i < 20; i++) {
TreeItem item = new TreeItem(tree, SWT.NONE);
item.setText(new String[] { "item " + i, "abc" + i, "percentage " + i });
ProgressBar bar = new ProgressBar(tree, SWT.NULL);
bar.setVisible(true);
bar.setSelection(i);
bar.setToolTipText(i + "%");
TreeEditor editor = new TreeEditor(tree);
editor.grabHorizontal = true;
editor.grabVertical = true;
editor.setEditor(bar, item, 3);
}
// shell.pack();
shell.setSize(900, 295);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}
當我點擊最下面一行(「項目12」)的文本,操作系統會自動向下滾動1行。但是當我檢查ProgressBar ToolTip時,「item 12」進度條顯示11%。這意味着進度條不會向下滾動一行。 我該如何解決這個問題?謝謝。
感謝您的幫助。有用。但我認爲這就像一個把戲:D –
@DucTran不客氣!是的,這絕對是一個騙局,因爲我相信這是一個Eclipse錯誤。如果你還沒有,絕對值得通過我提供的鏈接報告錯誤! – avojak