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- /*
- * Copyright 2000-2016 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.draganddropwrapper;
-
- import java.util.HashMap;
- import java.util.Set;
- import java.util.logging.Level;
- import java.util.logging.Logger;
-
- import com.vaadin.client.ApplicationConnection;
- import com.vaadin.client.ComponentConnector;
- import com.vaadin.client.ConnectorMap;
- import com.vaadin.client.Paintable;
- import com.vaadin.client.UIDL;
- import com.vaadin.client.VConsole;
- import com.vaadin.client.ui.VDragAndDropWrapper;
- import com.vaadin.client.ui.customcomponent.CustomComponentConnector;
- import com.vaadin.shared.ui.Connect;
- import com.vaadin.shared.ui.draganddropwrapper.DragAndDropWrapperConstants;
- import com.vaadin.shared.ui.draganddropwrapper.DragAndDropWrapperServerRpc;
- import com.vaadin.ui.DragAndDropWrapper;
-
- @Connect(DragAndDropWrapper.class)
- public class DragAndDropWrapperConnector extends CustomComponentConnector
- implements Paintable, VDragAndDropWrapper.UploadHandler {
-
- @Override
- protected void init() {
- super.init();
- getWidget().uploadHandler = this;
- }
-
- @Override
- public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
- getWidget().client = client;
- if (isRealUpdate(uidl) && !uidl.hasAttribute("hidden")) {
- UIDL acceptCrit = uidl.getChildByTagName("-ac");
- if (acceptCrit == null) {
- getWidget().dropHandler = null;
- } else {
- if (getWidget().dropHandler == null) {
- getWidget().dropHandler = getWidget().new CustomDropHandler();
- }
- getWidget().dropHandler.updateAcceptRules(acceptCrit);
- }
-
- Set<String> variableNames = uidl.getVariableNames();
- for (String fileId : variableNames) {
- if (fileId.startsWith("rec-")) {
- String receiverUrl = uidl.getStringVariable(fileId);
- fileId = fileId.substring(4);
- if (getWidget().fileIdToReceiver == null) {
- getWidget().fileIdToReceiver = new HashMap<>();
- }
- if ("".equals(receiverUrl)) {
- Integer id = Integer.parseInt(fileId);
- int indexOf = getWidget().fileIds.indexOf(id);
- if (indexOf != -1) {
- getWidget().files.remove(indexOf);
- getWidget().fileIds.remove(indexOf);
- }
- } else {
- if (getWidget().fileIdToReceiver.containsKey(fileId)
- && receiverUrl != null
- && !receiverUrl
- .equals(getWidget().fileIdToReceiver
- .get(fileId))) {
- VConsole.error(
- "Overwriting file receiver mapping for fileId "
- + fileId + " . Old receiver URL: "
- + getWidget().fileIdToReceiver
- .get(fileId)
- + " New receiver URL: "
- + receiverUrl);
- }
- getWidget().fileIdToReceiver.put(fileId, receiverUrl);
- }
- }
- }
- getWidget().startNextUpload();
-
- getWidget().dragStartMode = uidl.getIntAttribute(
- DragAndDropWrapperConstants.DRAG_START_MODE);
-
- String dragImageComponentConnectorId = uidl.getStringAttribute(
- DragAndDropWrapperConstants.DRAG_START_COMPONENT_ATTRIBUTE);
-
- ComponentConnector connector = null;
- if (dragImageComponentConnectorId != null) {
- connector = (ComponentConnector) ConnectorMap.get(client)
- .getConnector(dragImageComponentConnectorId);
-
- if (connector == null) {
- getLogger().log(Level.WARNING,
- "DragAndDropWrapper drag image component"
- + " connector now found. Make sure the"
- + " component is attached.");
- } else {
- getWidget().setDragAndDropWidget(connector.getWidget());
- }
- }
- getWidget().initDragStartMode();
- getWidget().html5DataFlavors = uidl.getMapAttribute(
- DragAndDropWrapperConstants.HTML5_DATA_FLAVORS);
-
- // Used to prevent wrapper from stealing tooltips when not defined
- getWidget().hasTooltip = getState().description != null;
- }
- }
-
- @Override
- public VDragAndDropWrapper getWidget() {
- return (VDragAndDropWrapper) super.getWidget();
- }
-
- private static Logger getLogger() {
- return Logger.getLogger(DragAndDropWrapperConnector.class.getName());
- }
-
- @Override
- public void uploadDone() {
- // #19616 RPC to poll the server for changes
- getRpcProxy(DragAndDropWrapperServerRpc.class).poll();
- }
-
- }
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