[英]How to add cancel button in PopupPanel in Gwt
我是编程新手。
我有垂直面板。一个按钮(lblAddFolderIcon)被添加到verticalPanel和一些小部件上。
单击b1时,应该会出现一个弹出面板,其中包含更多小部件以及两个带有添加和取消的按钮。
我的代码:
lblAddFolderIcon.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
String childFolder = item.getText();
String[] mainRepository=getPath(item);
String objectId=item.getTitle();
final AddFolderPopup addFolderPopup = new AddFolderPopup(childFolder,mainRepository[0],objectId);
addFolderPopup.setHeight("300px");
addFolderPopup.setWidth("502px");
addFolderPopup.setPopupPositionAndShow(new PopupPanel.PositionCallback() {
public void setPosition(int offsetWidth, int offsetHeight) {
// TODO Auto-generated method stub
int left = (Window.getClientWidth() - offsetWidth) / 3;
int top = (Window.getClientHeight() - offsetHeight) / 3;
addFolderPopup.setPopupPosition(left, top);
}
});
//addFolderPopup.show();
addFolderPopup.addFolderGui();
}
});
public class AddFolderPopup extends PopupPanel {
VerticalPanel vpPopupl = new VerticalPanel();
private String childFolder;
private String mainRepository;
private String objectId;
public AddFolderPopup(){
super(true);
}
public AddFolderPopup(String childFolder, String mainRepository, String objectId) {
this.childFolder = childFolder;
this.mainRepository = mainRepository;
this.objectId = objectId;
}
public void addFolderGui() {
// some widget to design Gui and
Button btnCancel = new Button("Cancel");
btnCancel.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
/* i Dont Know what should i write here
so that this popupwindow is closed
*/
}
});
}
}
Plz建议一些代码关闭此弹出窗口,以及我的方法是否正确。
尝试在您取消的onclick中调用hide()
在点击处理程序的匿名类内部:AddFolderPopup.this.hide();
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