// Copyright (C) 2009 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.client.ui;
import com.google.gerrit.client.Gerrit;
import com.google.gerrit.client.rpc.GerritCallback;
import com.google.gerrit.client.ui.SmallHeading;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwtjsonrpc.common.AsyncCallback;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwtexpui.globalkey.client.GlobalKey;
import com.google.gwtexpui.globalkey.client.NpTextArea;
import com.google.gwtexpui.user.client.AutoCenterDialogBox;
public abstract class CommentedActionDialog<T> extends AutoCenterDialogBox
implements CloseHandler<PopupPanel> {
protected final FlowPanel panel;
protected final NpTextArea message;
protected final Button sendButton;
protected final Button cancelButton;
protected final FlowPanel buttonPanel;
protected AsyncCallback<T> callback;
protected boolean sent = false;
public CommentedActionDialog(final String title, final String heading,
AsyncCallback<T> callback) {
super(/* auto hide */false, /* modal */true);
this.callback = callback;
setGlassEnabled(true);
setText(title);
addStyleName(Gerrit.RESOURCES.css().commentedActionDialog());
message = new NpTextArea();
message.setCharacterWidth(60);
message.setVisibleLines(10);
DOM.setElementPropertyBoolean(message.getElement(), "spellcheck", true);
sendButton = new Button(Util.C.commentedActionButtonSend());
sendButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(final ClickEvent event) {
enableButtons(false);
onSend();
}
});
cancelButton = new Button(Util.C.commentedActionButtonCancel());
DOM.setStyleAttribute(cancelButton.getElement(), "marginLeft", "300px");
cancelButton.addClickHandler(new ClickHandler() {
@Override
public void onClick(final ClickEvent event) {
hide();
}
});
final FlowPanel mwrap = new FlowPanel();
mwrap.setStyleName(Gerrit.RESOURCES.css().commentedActionMessage());
mwrap.add(message);
buttonPanel = new FlowPanel();
buttonPanel.add(sendButton);
buttonPanel.add(cancelButton);
panel = new FlowPanel();
panel.add(new SmallHeading(heading));
panel.add(mwrap);
panel.add(buttonPanel);
add(panel);
addCloseHandler(this);
}
public void enableButtons(boolean enable) {
sendButton.setEnabled(enable);
cancelButton.setEnabled(enable);
}
@Override
public void center() {
super.center();
GlobalKey.dialog(this);
message.setFocus(true);
}
@Override
public void onClose(CloseEvent<PopupPanel> event) {
if (!sent) {
// the dialog was closed without the send button being pressed
// e.g. the user pressed Cancel or ESC to close the dialog
if (callback != null) {
callback.onFailure(null);
}
}
sent = false;
}
public abstract void onSend();
public String getMessageText() {
return message.getText().trim();
}
public AsyncCallback<T> createCallback() {
return new GerritCallback<T>(){
@Override
public void onSuccess(T result) {
sent = true;
if (callback != null) {
callback.onSuccess(result);
}
hide();
}
@Override
public void onFailure(Throwable caught) {
enableButtons(true);
super.onFailure(caught);
}
};
}
}