axure树形表格_通过TreeColumn实现“表格树”TableTree-阿里云开发者社区

最新推荐文章于 2024-03-15 09:46:43 发布

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最新推荐文章于 2024-03-15 09:46:43 发布

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文章标签： axure树形表格

本文链接：https://blog.youkuaiyun.com/weixin_39608509/article/details/111862812

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本文展示了如何在Eclipse环境中利用TreeColumn和TreeViewer组件创建一个显示文件系统信息的树形表格，包括文件名、大小和隐藏状态等列。通过自定义的ITreeContentProvider和ITableLabelProvider实现内容和标签的提供。

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importjava.io.File;importorg.eclipse.jface.viewers.ILabelProviderListener;importorg.eclipse.jface.viewers.ITableLabelProvider;importorg.eclipse.jface.viewers.ITreeContentProvider;importorg.eclipse.jface.viewers.TreeViewer;importorg.eclipse.jface.viewers.Viewer;importorg.eclipse.swt.SWT;importorg.eclipse.swt.graphics.Image;importorg.eclipse.swt.layout.FillLayout;importorg.eclipse.swt.widgets.Display;importorg.eclipse.swt.widgets.Shell;importorg.eclipse.swt.widgets.TreeColumn;public classTreeColumnTest {public voidrun(){final Display display = newDisplay();final Shell shell = newShell(display);

shell.setLayout(newFillLayout());final TreeViewer viewer = newTreeViewer(shell, SWT.FULL_SELECTION);

viewer.getTree().setHeaderVisible(true);

TreeColumn column= newTreeColumn(viewer.getTree(), SWT.LEFT);

column.setText("Name");

column.setWidth(200);

column= newTreeColumn(viewer.getTree(), SWT.LEFT);

column.setText("Size");

column.setWidth(100);

column= newTreeColumn(viewer.getTree(), SWT.LEFT);

column.setText("Hidden");

column.setWidth(100);

viewer.setContentProvider(newMyTreeContenetProvider());

viewer.setLabelProvider(newMyTableLableProvider());

viewer.setInput(new File("/"));

shell.open();while (!shell.isDisposed()) {if (!display.readAndDispatch())

display.sleep();

}

display.dispose();

}public static voidmain(String[] args) {newTreeColumnTest().run();

}class MyTreeContenetProvider implementsITreeContentProvider{publicObject[] getChildren(Object parentElement) {

File file=(File)parentElement;if(file.isDirectory())returnfile.listFiles();else

return null;

}publicObject getParent(Object element) {

File file=(File)element;returnfile.getParentFile();

}public booleanhasChildren(Object element) {

File file=(File)element;return file.isDirectory()/*&&file.list().length>0*/;

}publicObject[] getElements(Object inputElement) {

File file=(File)inputElement;return file.isDirectory()?file.listFiles():newObject[]{file};

}public voiddispose() {

}public voidinputChanged(Viewer viewer, Object oldInput, Object newInput) {

}

}class MyTableLableProvider implementsITableLabelProvider{public Image getColumnImage(Object element, intcolumnIndex) {return null;

}public String getColumnText(Object element, intcolumnIndex) {

File file=(File)element;switch(columnIndex) {case 0:returnfile.getName();case 1:return ""+file.length();case 2:return ""+file.isHidden();default:return "";

}

}public voidaddListener(ILabelProviderListener listener) {

}public voiddispose() {

}public booleanisLabelProperty(Object element, String property) {return false;

}public voidremoveListener(ILabelProviderListener listener) {

}