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我正在gwt上工作,並且出現這種情況,當我單擊某個按鈕時,應該刪除面板中的exixting網格,並且應該添加新的網格。有人可以幫我解決這個問題。下面是我點擊刷新按鈕時執行的代碼。我正在編輯現有網格並更新數據庫中的一些細節。所以當我點擊這個刷新按鈕時,我再次進行一個新的rpc調用,並在更新網格後獲取新數據,我需要在現有網格中顯示新數據。從面板中刪除網格並在gwt中添加新網格
RpcProxy< String> proxy_refresh = new RpcProxy< String>() {
protected void load(Object loadConfig, AsyncCallback<String> callback) {
if (itemService == null) {
itemService = GWT.create(ReleaseItemService.class);
}
itemService.search(criteria, callback);
}
};
xml.setRoot("resultset");
xml.setRecordName("record");
xml.addField("release_id");
xml.addField("project_name");
xml.addField("type");
xml.addField("business_unit");
xml.addField("project_manager");
xml.addField("developer");
xml.addField("deployer");
xml.addField("verifier");
xml.addField("status");
xml.addField("item_no");
xml.addField("qa_developer");
xml.addField("deployment_date");
XmlReader reader_refresh = new XmlReader(xml);
BaseListLoader loader_refresh = new BaseListLoader(proxy_refresh, reader_refresh);
loader_refresh.addLoadListener(new LoadListener() {
public void loaderLoadException(LoadEvent le) {
super.loaderLoadException(le);
MessageBox.alert("Error", le.exception.getMessage(), null);
}
});
columns = new ArrayList<ColumnConfig>(6);
columns.add(new ColumnConfig("release_id", "Release ID", 70));
columns.add(new ColumnConfig("item_no", "Item No", 70));
columns.add(new ColumnConfig("deployment_date", "Deployment Date", 150));
columns.add(new ColumnConfig("business_unit", "Business Unit", 100));
columns.add(new ColumnConfig("type", "Type", 120));
columns.add(new ColumnConfig("project_name", "Project Name", 120));
columns.add(new ColumnConfig("status", "Status", 100));
columns.add(new ColumnConfig("developer", "Devloper", 100));
columns.add(new ColumnConfig("qa_deployer", "QA Deployer", 125));
store_refresh = new ListStore<BaseModelData>(loader_refresh);
ColumnModel columnModel1 = new ColumnModel(columns);
System.out.println("removing grid from panel");
grid.removeFromParent();
if(flag==true){
System.out.println("Removing grid1");
grid1.removeFromParent();
}
// grid1.removeFromParent();
System.out.println("Creating new grid");
grid1 = new EditorGrid(store_refresh, columnModel1);
grid1.setBorders(true);
grid1.setAutoHeight(true);
grid1.setLoadMask(true);
grid1.setStripeRows(true);
grid1.getView().setEmptyText("No data found for the given criteria");
System.out.println("Adding grid1 to panel");
loader_refresh.load();
grid1.getStore().getLoader().load();
panel.add(grid1);
panel.getLayout().layout();
//submit.hide();
loader_refresh.load();
flag = true;
System.out.println("Loader refresh "+loader_refresh.load()+" store refresh is "+store_refresh.getCount());
proxy_refresh = null;
store_refresh = null;
loader_refresh = null;
reader_refresh = null;
System.out.println("Loader refresh "+loader_refresh+" store refresh is "+store_refresh+"proxy_refresh "+proxy_refresh+"reader_refresh "+reader_refresh);
我能夠刪除舊的網格,但添加新的網格到面板時,它不顯示新的數據。
下面是圖片
![在這裏輸入的形象描述] [1]
在此先感謝。
嗨Hoss,我在我的應用程序中使用gwt,沒有像網格或面板forceLayout的方法。我嘗試刪除所有刪除和添加到面板的網格,但它不工作。 –
嗨Hoss我能夠在面板中獲得新的網格。謝謝你的幫助。現在我有一個問題。我點擊一個刷新按鈕重新加載新的網格數據,並在此進行rpc調用。所以,當我點擊刷新按鈕時,應該進行rpc調用,並且應該獲取新數據。但因爲它是一個Rpc代理,所以當我第一次單擊刷新按鈕時,我正在獲取數據。我試圖讓代理爲空,並檢查rpc是否獲取新數據,但是當刷新按鈕中第一次調用rpc時,我收到了舊數據。你能幫我嗎? –
您是否嘗試過:grid1.getStore()。getLoader()。load(); –