我正在尝试复制类似于这个网站的 UI:http://librixxxi.blogspot.com/2011/06/punch-clock-021-and-clickable-edit.html。我一直按照作者的指示创建按钮,但没有成功。我的项目与他的不同之处在于我试图在一个 eclipse TreeViewer 插件的上下文中使用 Tree 而不是 Table。理论上说,实现应该很简单,但我似乎无法让它正常工作。
下面是我的代码。它可以轻松复制,因为它只是样本Java PDT sampleview与TreeViewer,以及createPartControl中的十几行额外代码。您未在此处看到的所有内容都与示例相同:
下面是我的代码。它可以轻松复制,因为它只是样本Java PDT sampleview与TreeViewer,以及createPartControl中的十几行额外代码。您未在此处看到的所有内容都与示例相同:
class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {
public String getColumnText(Object obj, int i) {
if(i == 0){
return obj.toString();
}
return "";
}
public Image getColumnImage(Object obj, int i) {
if(i == 0){
String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
if (obj instanceof TreeParent)
imageKey = ISharedImages.IMG_OBJ_FOLDER;
return PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
}
return null;
}
}
class NameSorter extends ViewerSorter {
}
/**
* The constructor.
*/
public ButtonView() {
}
/**
* This is a callback that will allow us
* to create the viewer and initialize it.
*/
public void createPartControl(Composite parent) {
viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
Tree tree = viewer.getTree();
tree.setLinesVisible(true);
tree.setHeaderVisible(true);
TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
column1.setText("Name");
column1.setWidth(400);
TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
column2.setText("Some info");
column2.setWidth(300);
// Button experimentation
TreeItem[] items = tree.getItems();
for(int i = 0; i < items.length; i++){
TreeEditor editor = new TreeEditor(tree);
TreeItem item = items[i];
Button button = new Button(tree, SWT.PUSH);
button.setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT));
button.setSize(16,16);
button.pack();
editor.horizontalAlignment = SWT.RIGHT;
editor.setEditor(button, item);
}
drillDownAdapter = new DrillDownAdapter(viewer);
viewer.setContentProvider(new ViewContentProvider());
viewer.setLabelProvider(new ViewLabelProvider());
viewer.setSorter(new NameSorter());
viewer.setInput(getViewSite());
// Create the help context id for the viewer's control
PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), "ButtonTest.viewer");
makeActions();
hookContextMenu();
hookDoubleClickAction();
contributeToActionBars();
}
TreeEditor
,只有通过添加上述行才能显示按钮,所以我希望这可以帮助你。 - Modus Tollens