GWT:未显示浏览器滚动
我在GWT:未显示浏览器滚动,gwt,Gwt,我在GWT中有一个小应用程序，主页上有initWidget作为VerticalPanel，里面只有其他VerticalPanel和horizontalPanels 但我看不到浏览器滚动。垂直面板超出了浏览器高度，但出现了滚动条 你知道原因是什么吗 谢谢 代码：： private Button btnLoad = new Button("load more results"); private CheckBox check_byPakag= new CheckBox("by package");
GWTinitWidgetVerticalPanelVerticalPanelprivate Button btnLoad = new Button("load more results");
private CheckBox check_byPakag= new CheckBox("by package");
private CheckBox check_Inheritance= new CheckBox("by inheritance");
private CheckBox check_byComposition= new CheckBox("by composition");
private CheckBox check_byDependency= new CheckBox("by dependency");
private VerticalPanel vpnl_Main = new VerticalPanel();
private FlowPanel flowpanelImages = new FlowPanel();
private VerticalPanel scrollImages;
private IndexServiceAsync rpcService = GWT.create(IndexService.class);
private SuggestBox text_Wild_Card;
private MultiWordSuggestOracle oracle = new MultiWordSuggestOracle();
private int start = 0;
private int finish = 10; // Total number of results to display at first time
private int totalNumberOfResultsToShow = 10; //Total number of results to display on every call(when load more results button is pressed)
private int scrollPosition = 0;
private VerticalPanel vpnlScroll = new VerticalPanel();
public MainPageView(){
check_byPakag.setChecked(true);
check_Inheritance.setChecked(true);
check_byComposition.setChecked(true);
check_byDependency.setChecked(true);
initWidget(vpnl_Main);
getSuggestions();
scrollImages = new VerticalPanel();
scrollImages.add(vpnlScroll);
vpnlScroll.add(flowpanelImages);
btnLoad.setEnabled(false);
vpnl_Main.setSpacing(4);
Window.addResizeHandler(new ResizeHandler(){
@Override
public void onResize(ResizeEvent event) {
}});
}
public void getSuggestions(){
rpcService.getAllSuggestions(new AsyncCallback<List<String>>(){
@Override
public void onFailure(Throwable caught) {
System.out.println(caught.getMessage());
}
@Override
public void onSuccess(List<String> result) {
for(int i=0;i<result.size(); i++){
oracle.add(result.get(i));
}
text_Wild_Card = new SuggestBox(createWildCardOracle());
text_Wild_Card.setText("*");
layout(vpnl_Main);
getIndexData();
}});
}
@SuppressWarnings("deprecation")
public void getIndexData(){
final DecoratedPopupPanel popup = new DecoratedPopupPanel();
popup.setWidget(new Label("Loading.."));
popup.center();
rpcService.getIndexData(text_Wild_Card.getText(), check_byPakag.isChecked(), check_Inheritance.isChecked(), check_byComposition.isChecked(), check_byDependency.isChecked(), start, finish, new AsyncCallback<IndexDataSet>(){
@Override
public void onFailure(Throwable caught) {
Window.alert("getIndexData failed"+ caught.getMessage());
}
@Override
public void onSuccess(IndexDataSet result) {
flowpanelImages.clear();
if(result.hasMore()){
btnLoad.setEnabled(true);
}else{
btnLoad.setEnabled(false);
}
for(int i=0; i< result.getResults().size(); i++){
final Image image = new Image(result.getResults().get(i).stampImageURL);
//////////////
final Label lbl = new Label("dummy");
lbl.setStyleName("invisibleImageLabel");
VerticalPanel vpnlImage = new VerticalPanel();
vpnlImage.add(image);
vpnlImage.add(lbl);
//////////
final DataImage dataImage = new DataImage();
dataImage.setUrl(result.getResults().get(i).stampImageURL);
dataImage.setDescription(result.getResults().get(i).description);
image.addMouseOverHandler(new MouseOverHandler(){
@Override
public void onMouseOver(MouseOverEvent event) {
lbl.setText(dataImage.getDescription());
lbl.setStyleName("imageLabel");
}});
image.addMouseOutHandler(new MouseOutHandler(){
@Override
public void onMouseOut(MouseOutEvent event) {
lbl.setStyleName("invisibleImageLabel");
}});
image.addClickHandler(new ClickHandler(){
@Override
public void onClick(ClickEvent event) {
RootPanel.get("bodyContainer").clear();
History.newItem("diagramView / "+dataImage.getUrl());
}});
vpnlImage.addStyleName("imageStyle");
vpnlImage.addStyleName("paddedFlowPanel");
flowpanelImages.add(vpnlImage);
}
//
HorizontalPanel hpnlBtn = new HorizontalPanel();
hpnlBtn.setWidth("100%");
hpnlBtn.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);
hpnlBtn.add(btnLoad);
btnLoad.setStyleName("nextLine");
flowpanelImages.add(hpnlBtn);
popup.removeFromParent();
}});
}
private SuggestOracle createWildCardOracle() {
return oracle;
}
private void layout(VerticalPanel vpnl_Main) {
FlexTable flexWildCard = new FlexTable();
VerticalPanel vpnlCheckBoxes = new VerticalPanel();
HorizontalPanel hpnlWildCard = new HorizontalPanel();
flexWildCard.setWidget(0,0,new Label("Show only class diagrams containing classes named: (use * for wildcard)"));
flexWildCard.setWidget(0,1,text_Wild_Card);
text_Wild_Card.setWidth("200px");
vpnlCheckBoxes.setWidth("200px");
vpnlCheckBoxes.add(check_byPakag);
vpnlCheckBoxes.add(check_Inheritance);
vpnlCheckBoxes.add(check_byComposition);
vpnlCheckBoxes.add(check_byDependency);
hpnlWildCard.add(vpnlCheckBoxes);
hpnlWildCard.add(flexWildCard);
vpnl_Main.add(hpnlWildCard);
}
private Button btnLoad=新按钮（“加载更多结果”）；
私有复选框check_byPakag=新复选框（“按包”）；
私有复选框check_继承=新复选框（“按继承”）；
私有复选框check_byComposition=新复选框（“按组合”）；
私有复选框check_byDependency=新复选框（“按依赖项”）；
专用垂直面板vpnl_Main=新垂直面板（）；
私有FlowPanel flowpanelImages=新建FlowPanel（）；
私有垂直面板滚动图像；
私有IndexServiceAsync rpcService=GWT.create（IndexService.class）；
私人建议框文本\通配符\卡；
private MultiWordSuggestOracle oracle=新的MultiWordSuggestOracle（）；
私有int start=0；
专用整修=10；//第一次显示的结果总数
private int totalNumberOfResultsToShow=10//每次调用时显示的结果总数（当按下“加载更多结果”按钮时）
私有位置=0；
private VerticalPanel vpnlScroll=新建VerticalPanel（）；
公共主页视图（）{
检查\u byPakag.setChecked（真）；
check_继承。setChecked（true）；
按组合检查。setChecked（真）；
check_byDependency.setChecked（true）；
initWidget（vpnl_Main）；
获取建议（）；
scrollImages=新建垂直面板（）；
scrollImages.add（vpnlScroll）；
添加（flowpanelImages）；
btnLoad.setEnabled（false）；
vpnl_主设置间隔（4）；
addResizeHandler（新的ResizeHandler（）{
@凌驾
public void onResize（ResizeEvent事件）{
}});
}
公众意见{
getAllSuggestions（新的AsyncCallback（）{
@凌驾
失败时的公共无效（可丢弃）{
System.out.println（catch.getMessage（））；
}
@凌驾
成功时公开作废（列表结果）{
对于（int i=0；我可以向我们展示您使用的代码吗？我已经添加了代码