/**
* Copyright 2008-2016 Qualogy Solutions B.V.
*
* 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.qualogy.qafe.mgwt.client.ui.renderer;
import java.util.Iterator;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FileUpload;
import com.google.gwt.user.client.ui.FormPanel;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteEvent;
import com.google.gwt.user.client.ui.FormPanel.SubmitCompleteHandler;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Hidden;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Hyperlink;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import com.qualogy.qafe.mgwt.client.activities.AbstractActivity;
import com.qualogy.qafe.mgwt.client.factory.MainFactoryActions;
import com.qualogy.qafe.mgwt.client.ui.renderer.events.CallbackHandler;
import com.qualogy.qafe.mgwt.client.vo.ui.ComponentGVO;
import com.qualogy.qafe.mgwt.client.vo.ui.FileUploadGVO;
public class FileUploadRenderer extends AbstractComponentRenderer {
public UIObject render(ComponentGVO component, String owner, String uuid, String parent, String context, AbstractActivity activity) {
HorizontalPanel uiObject = null;
final String finalParent = parent;
if (component != null) {
if (component instanceof FileUploadGVO) {
if (component.getMenu() != null) {
final ComponentGVO finalComponentGVO = component;
final String finalUuid = uuid;
uiObject = new HorizontalPanel() {
@Override
public void onBrowserEvent(Event event) {
if (event.getTypeInt() == Event.ONCONTEXTMENU) {
DOM.eventPreventDefault(event);
applyContextMenu(event, finalComponentGVO, finalUuid, finalParent);
}
super.onBrowserEvent(event);
}
@Override
protected void setElement(Element elem) {
super.setElement(elem);
sinkEvents(Event.ONCONTEXTMENU);
}
};
} else {
uiObject = new HorizontalPanel();
}
final FormPanel formPanel = new FormPanel();
formPanel.setAction(GWT.getModuleBaseURL() + "/rpc.upload");
formPanel.setEncoding(FormPanel.ENCODING_MULTIPART);
formPanel.setMethod(FormPanel.METHOD_POST);
FileUpload fileUploadComponent = new FileUpload();
fileUploadComponent.setName("uploadElement");
Button uploadButtonComponent = new Button("Upload");
uploadButtonComponent.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
formPanel.submit();
}
});
Hidden appId = new Hidden();
appId.setName("APPUUID=" + uuid);
final String appID = uuid;
Hidden windowId = new Hidden();
windowId.setName("WINDOWID=" + parent);
Grid gridPanel = new Grid(2, 4);
gridPanel.setWidget(0, 0, fileUploadComponent);
gridPanel.setWidget(0, 1, uploadButtonComponent);
gridPanel.setWidget(0, 2, appId);
gridPanel.setWidget(0, 3, windowId);
formPanel.add(gridPanel);
RendererHelper.fillIn(component, formPanel, uuid, parent, context);
formPanel.addSubmitCompleteHandler(new SubmitCompleteHandler() {
public void onSubmitComplete(SubmitCompleteEvent event) {
String uuId = event.getResults();
boolean success = false;
if (uuId != null && uuId.indexOf("=") > 0) {
uuId = uuId.substring(uuId.indexOf("=") + 1);
success = true;
}
if (formPanel instanceof HasWidgets) {
HasWidgets hasWidgets = (HasWidgets) formPanel;
Iterator<Widget> itr = hasWidgets.iterator();
while (itr.hasNext()) {
Widget widget = itr.next();
if (widget instanceof Grid) {
Grid gridPanel = (Grid) widget;
final FileUpload fileUpload = (FileUpload) gridPanel.getWidget(0, 0);
final Button uploadButton = (Button) gridPanel.getWidget(0, 1);
if (success) {
fileUpload.setVisible(false);
uploadButton.setVisible(false);
String fileName = event.getResults().substring(0, event.getResults().indexOf("#"));
final String viewUrl = GWT.getModuleBaseURL() + "/rpc.view?APPUUID=" + appID + "&WINDOWID=" + finalParent + "&VIEW=" + uuId;
final Label fileNameLabel = new Label(fileName);
DOM.setStyleAttribute(fileNameLabel.getElement(), "textDecoration", "underline");
DOM.setStyleAttribute(fileNameLabel.getElement(), "cursor", "hand");
fileNameLabel.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
Window.open(viewUrl, "UploadedFile", null);
}
});
fileNameLabel.setVisible(true);
final Label removeLabel = new Label("Remove");
removeLabel.setVisible(true);
final String finalUuId = uuId;
DOM.setStyleAttribute(removeLabel.getElement(), "textDecoration", "underline");
DOM.setStyleAttribute(removeLabel.getElement(), "cursor", "hand");
removeLabel.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
MainFactoryActions.removeUploadedFile(appID, finalParent, finalUuId);
DOM.setElementAttribute(fileUpload.getElement(), "fu-uuid", "");
fileNameLabel.setVisible(false);
removeLabel.setVisible(false);
fileUpload.setVisible(true);
uploadButton.setVisible(true);
}
});
gridPanel.setWidget(1, 0, fileNameLabel);
gridPanel.setWidget(1, 1, removeLabel);
DOM.setElementAttribute(fileUpload.getElement(), "fu-uuid", uuId);
CallbackHandler.createCallBack(formPanel, "onfinish", null, null);
} else {
Hyperlink fileNameLabel = (Hyperlink) gridPanel.getWidget(1, 0);
fileNameLabel.setText("Uploading unsuccessfull.");
fileNameLabel.setVisible(true);
}
}
}
}
}
});
uiObject.add(formPanel);
}
}
return uiObject;
}
}