/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.vaadin.client.ui.upload;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.vaadin.client.ApplicationConnection;
import com.vaadin.client.Paintable;
import com.vaadin.client.UIDL;
import com.vaadin.client.communication.StateChangeEvent;
import com.vaadin.client.ui.AbstractComponentConnector;
import com.vaadin.client.ui.VUpload;
import com.vaadin.shared.EventId;
import com.vaadin.shared.ui.Connect;
import com.vaadin.shared.ui.upload.UploadClientRpc;
import com.vaadin.shared.ui.upload.UploadServerRpc;
import com.vaadin.ui.Upload;
@Connect(Upload.class)
public class UploadConnector extends AbstractComponentConnector implements
Paintable {
public UploadConnector() {
registerRpc(UploadClientRpc.class, new UploadClientRpc() {
@Override
public void submitUpload() {
getWidget().submit();
}
});
}
@Override
protected void init() {
super.init();
getWidget().fu.addChangeHandler(new ChangeHandler() {
@Override
public void onChange(ChangeEvent event) {
if (hasEventListener(EventId.CHANGE)) {
getRpcProxy(UploadServerRpc.class).change(
getWidget().fu.getFilename());
}
}
});
}
@Override
public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
if (!isRealUpdate(uidl)) {
return;
}
if (uidl.hasAttribute("notStarted")) {
getWidget().t.schedule(400);
return;
}
getWidget().setImmediate(getState().immediate);
getWidget().client = client;
getWidget().paintableId = uidl.getId();
getWidget().nextUploadId = uidl.getIntAttribute("nextid");
final String action = client.translateVaadinUri(uidl
.getStringVariable("action"));
getWidget().element.setAction(action);
if (uidl.hasAttribute("buttoncaption")) {
getWidget().submitButton.setText(uidl
.getStringAttribute("buttoncaption"));
getWidget().submitButton.setVisible(true);
} else {
getWidget().submitButton.setVisible(false);
}
getWidget().fu.setName(getWidget().paintableId + "_file");
if (!isEnabled() || isReadOnly()) {
getWidget().disableUpload();
} else if (!uidl.getBooleanAttribute("state")) {
// Enable the button only if an upload is not in progress
getWidget().enableUpload();
getWidget().ensureTargetFrame();
}
}
@Override
public void onStateChanged(StateChangeEvent stateChangeEvent) {
super.onStateChanged(stateChangeEvent);
getWidget().disableTitle(hasTooltip());
}
@Override
public VUpload getWidget() {
return (VUpload) super.getWidget();
}
}